From d3e3b9af1ecd202de4043bccfbb54b2b3768d807 Mon Sep 17 00:00:00 2001 From: Fabian Hummel Date: Mon, 15 Jan 2024 21:32:38 +0100 Subject: [PATCH 1/4] progress on custom parser implementation --- .idea/inspectionProfiles/Project_Default.xml | 6 + .idea/shelf/operators_single_rs.xml | 4 + .idea/shelf/operators_single_rs/shelved.patch | 341 ++ .idea/vcs.xml | 6 + .idea/workspace.xml | 431 ++ examples/angular-todomvc/Cargo.toml | 2 +- examples/axum-echo/Cargo.toml | 2 +- examples/axum-echo/index.js | 13 + .../axum-echo/node_modules/.package-lock.json | 108 + .../@socket.io/component-emitter/LICENSE | 24 + .../@socket.io/component-emitter/Readme.md | 74 + .../@socket.io/component-emitter/index.d.ts | 179 + .../@socket.io/component-emitter/index.js | 176 + .../@socket.io/component-emitter/index.mjs | 169 + .../@socket.io/component-emitter/package.json | 31 + examples/axum-echo/node_modules/debug/LICENSE | 20 + .../axum-echo/node_modules/debug/README.md | 481 ++ 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.../build/esm-debug/socket.d.ts | 362 ++ .../build/esm-debug/socket.js | 619 +++ .../build/esm-debug/transport.d.ts | 106 + .../build/esm-debug/transport.js | 144 + .../build/esm-debug/transports/index.d.ts | 8 + .../build/esm-debug/transports/index.js | 8 + .../build/esm-debug/transports/polling.d.ts | 137 + .../build/esm-debug/transports/polling.js | 406 ++ .../websocket-constructor.browser.d.ts | 4 + .../websocket-constructor.browser.js | 13 + .../transports/websocket-constructor.d.ts | 4 + .../transports/websocket-constructor.js | 5 + .../build/esm-debug/transports/websocket.d.ts | 34 + .../build/esm-debug/transports/websocket.js | 155 + .../esm-debug/transports/webtransport.d.ts | 10 + .../esm-debug/transports/webtransport.js | 78 + .../transports/xmlhttprequest.browser.d.ts | 2 + .../transports/xmlhttprequest.browser.js | 20 + .../esm-debug/transports/xmlhttprequest.d.ts | 17 + .../esm-debug/transports/xmlhttprequest.js | 82 + .../build/esm-debug/util.d.ts | 3 + 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.../socket.io-client/build/esm/socket.js | 838 ++++ .../socket.io-client/build/esm/url.d.ts | 33 + .../socket.io-client/build/esm/url.js | 59 + .../dist/socket.io.esm.min.js | 7 + .../dist/socket.io.esm.min.js.map | 1 + .../socket.io-client/dist/socket.io.js | 4385 +++++++++++++++++ .../socket.io-client/dist/socket.io.js.map | 1 + .../socket.io-client/dist/socket.io.min.js | 7 + .../dist/socket.io.min.js.map | 1 + .../dist/socket.io.msgpack.min.js | 7 + .../dist/socket.io.msgpack.min.js.map | 1 + .../socket.io-client/package.json | 136 + .../node_modules/socket.io-parser/LICENSE | 20 + .../node_modules/socket.io-parser/Readme.md | 81 + .../socket.io-parser/build/cjs/binary.d.ts | 20 + .../socket.io-parser/build/cjs/binary.js | 88 + .../socket.io-parser/build/cjs/index.d.ts | 90 + .../socket.io-parser/build/cjs/index.js | 321 ++ .../socket.io-parser/build/cjs/is-binary.d.ts | 7 + .../socket.io-parser/build/cjs/is-binary.js | 55 + .../socket.io-parser/build/cjs/package.json | 3 + 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a/.idea/shelf/operators_single_rs/shelved.patch b/.idea/shelf/operators_single_rs/shelved.patch new file mode 100644 index 00000000..888e98cc --- /dev/null +++ b/.idea/shelf/operators_single_rs/shelved.patch @@ -0,0 +1,341 @@ +Index: examples/axum-echo/package.json +IDEA additional info: +Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP +<+>UTF-8 +=================================================================== +diff --git a/examples/axum-echo/package.json b/examples/axum-echo/package.json +new file mode 100644 +--- /dev/null (date 1703505176728) ++++ b/examples/axum-echo/package.json (date 1703505176728) +@@ -0,0 +1,19 @@ ++{ ++ "name": "axum-echo", ++ "version": "1.0.0", ++ "description": "", ++ "main": "index.js", ++ "scripts": { ++ "test": "echo \"Error: no test specified\" && exit 1", ++ "start": "node index.js" ++ }, ++ "repository": { ++ "type": "git", ++ "url": "https://github.com/Totodore/socketioxide.git" ++ }, ++ "private": true, ++ "dependencies": { ++ "socket.io-client": "^4.7.2" ++ }, ++ "type": "module" ++} +Index: socketioxide/src/socket.rs +IDEA additional info: +Subsystem: com.intellij.openapi.diff.impl.patch.BaseRevisionTextPatchEP +<+>//! A [`Socket`] represents a client connected to a namespace.\n//! The socket struct itself should not be used directly, but through a [`SocketRef`](crate::extract::SocketRef).\nuse std::{\n borrow::Cow,\n collections::HashMap,\n fmt::Debug,\n sync::Mutex,\n sync::{\n atomic::{AtomicI64, Ordering},\n Arc, RwLock,\n },\n time::Duration,\n};\n\nuse engineioxide::socket::DisconnectReason as EIoDisconnectReason;\nuse serde::{de::DeserializeOwned, Serialize};\nuse serde_json::Value;\nuse tokio::sync::oneshot;\n\n#[cfg(feature = \"extensions\")]\nuse crate::extensions::Extensions;\n\nuse crate::{\n adapter::{Adapter, LocalAdapter, Room},\n errors::{AckError, Error},\n handler::{\n BoxedDisconnectHandler, BoxedMessageHandler, DisconnectHandler, MakeErasedHandler,\n MessageHandler,\n },\n ns::Namespace,\n operators::{Operators, RoomParam},\n packet::{BinaryPacket, Packet, PacketData},\n SocketIoConfig,\n};\nuse crate::{\n client::SocketData,\n errors::{AdapterError, SendError},\n};\n\npub use engineioxide::sid::Sid;\n\n/// All the possible reasons for a [`Socket`] to be disconnected from a namespace.\n///\n/// It can be used as an extractor in the [`on_disconnect`](crate::handler::disconnect) handler.\n#[derive(Debug, Copy, Clone, Eq, PartialEq)]\npub enum DisconnectReason {\n /// The client gracefully closed the connection\n TransportClose,\n\n /// The client sent multiple polling requests at the same time (it is forbidden according to the engine.io protocol)\n MultipleHttpPollingError,\n\n /// The client sent a bad request / the packet could not be parsed correctly\n PacketParsingError,\n\n /// The connection was closed (example: the user has lost connection, or the network was changed from WiFi to 4G)\n TransportError,\n\n /// The client did not send a PONG packet in the `ping timeout` delay\n HeartbeatTimeout,\n\n /// The client has manually disconnected the socket using [`socket.disconnect()`](https://socket.io/fr/docs/v4/client-api/#socketdisconnect)\n ClientNSDisconnect,\n\n /// The socket was forcefully disconnected from the namespace with [`Socket::disconnect`]\n ServerNSDisconnect,\n\n /// The server is being closed\n ClosingServer,\n}\n\nimpl std::fmt::Display for DisconnectReason {\n fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {\n use DisconnectReason::*;\n let str: &'static str = match self {\n TransportClose => \"client gracefully closed the connection\",\n MultipleHttpPollingError => \"client sent multiple polling requests at the same time\",\n PacketParsingError => \"client sent a bad request / the packet could not be parsed\",\n TransportError => \"The connection was abruptly closed\",\n HeartbeatTimeout => \"client did not send a PONG packet in time\",\n ClientNSDisconnect => \"client has manually disconnected the socket from the namespace\",\n ServerNSDisconnect => \"socket was forcefully disconnected from the namespace\",\n ClosingServer => \"server is being closed\",\n };\n f.write_str(str)\n }\n}\n\nimpl From for DisconnectReason {\n fn from(reason: EIoDisconnectReason) -> Self {\n use DisconnectReason::*;\n match reason {\n EIoDisconnectReason::TransportClose => TransportClose,\n EIoDisconnectReason::TransportError => TransportError,\n EIoDisconnectReason::HeartbeatTimeout => HeartbeatTimeout,\n EIoDisconnectReason::MultipleHttpPollingError => MultipleHttpPollingError,\n EIoDisconnectReason::PacketParsingError => PacketParsingError,\n EIoDisconnectReason::ClosingServer => ClosingServer,\n }\n }\n}\n/// An acknowledgement sent by the client.\n/// It contains the data sent by the client and the binary payloads if there are any.\n#[derive(Debug)]\npub struct AckResponse {\n /// The data returned by the client\n pub data: T,\n /// Optional binary payloads\n ///\n /// If there is no binary payload, the `Vec` will be empty\n pub binary: Vec>,\n}\n\n/// A Socket represents a client connected to a namespace.\n/// It is used to send and receive messages from the client, join and leave rooms, etc.\n/// The socket struct itself should not be used directly, but through a [`SocketRef`](crate::extract::SocketRef).\npub struct Socket {\n config: Arc,\n ns: Arc>,\n message_handlers: RwLock, BoxedMessageHandler>>,\n disconnect_handler: Mutex>>,\n ack_message: Mutex>>>,\n ack_counter: AtomicI64,\n /// The socket id\n pub id: Sid,\n\n /// A type map of protocol extensions.\n /// It can be used to share data through the lifetime of the socket.\n /// Because it uses a [`DashMap`](dashmap::DashMap) internally, it is thread safe but be careful about deadlocks!\n ///\n /// **Note**: This is note the same data than the `extensions` field on the [`http::Request::extensions()`](http::Request) struct.\n #[cfg_attr(docsrs, doc(cfg(feature = \"extensions\")))]\n #[cfg(feature = \"extensions\")]\n pub extensions: Extensions,\n esocket: Arc>,\n}\n\nimpl Socket {\n pub(crate) fn new(\n sid: Sid,\n ns: Arc>,\n esocket: Arc>,\n config: Arc,\n ) -> Self {\n Self {\n ns,\n message_handlers: RwLock::new(HashMap::new()),\n disconnect_handler: Mutex::new(None),\n ack_message: Mutex::new(HashMap::new()),\n ack_counter: AtomicI64::new(0),\n id: sid,\n #[cfg(feature = \"extensions\")]\n extensions: Extensions::new(),\n config,\n esocket,\n }\n }\n\n /// ### Registers a [`MessageHandler`] for the given event.\n ///\n /// * See the [`message`](crate::handler::message) module doc for more details on message handler.\n /// * See the [`extract`](crate::extract) module doc for more details on available extractors.\n ///\n /// #### Simple example with a sync closure:\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde::{Serialize, Deserialize};\n /// #[derive(Debug, Serialize, Deserialize)]\n /// struct MyData {\n /// name: String,\n /// age: u8,\n /// }\n ///\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// // Register a handler for the \"test\" event and extract the data as a `MyData` struct\n /// // With the Data extractor, the handler is called only if the data can be deserialized as a `MyData` struct\n /// // If you want to manage errors yourself you can use the TryData extractor\n /// socket.on(\"test\", |socket: SocketRef, Data::(data)| {\n /// println!(\"Received a test message {:?}\", data);\n /// socket.emit(\"test-test\", MyData { name: \"Test\".to_string(), age: 8 }).ok(); // Emit a message to the client\n /// });\n /// });\n ///\n /// ```\n ///\n /// #### Example with a closure and an acknowledgement + binary data:\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use serde::{Serialize, Deserialize};\n /// #[derive(Debug, Serialize, Deserialize)]\n /// struct MyData {\n /// name: String,\n /// age: u8,\n /// }\n ///\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// // Register an async handler for the \"test\" event and extract the data as a `MyData` struct\n /// // Extract the binary payload as a `Vec>` with the Bin extractor.\n /// // It should be the last extractor because it consumes the request\n /// socket.on(\"test\", |socket: SocketRef, Data::(data), ack: AckSender, Bin(bin)| async move {\n /// println!(\"Received a test message {:?}\", data);\n /// tokio::time::sleep(std::time::Duration::from_secs(1)).await;\n /// ack.bin(bin).send(data).ok(); // The data received is sent back to the client through the ack\n /// socket.emit(\"test-test\", MyData { name: \"Test\".to_string(), age: 8 }).ok(); // Emit a message to the client\n /// });\n /// });\n /// ```\n pub fn on(&self, event: impl Into>, handler: H)\n where\n H: MessageHandler,\n T: Send + Sync + 'static,\n {\n self.message_handlers\n .write()\n .unwrap()\n .insert(event.into(), MakeErasedHandler::new_message_boxed(handler));\n }\n\n /// ## Registers a disconnect handler.\n /// You can register only one disconnect handler per socket. If you register multiple handlers, only the last one will be used.\n ///\n /// * See the [`disconnect`](crate::handler::disconnect) module doc for more details on disconnect handler.\n /// * See the [`extract`](crate::extract) module doc for more details on available extractors.\n ///\n /// The callback will be called when the socket is disconnected from the server or the client or when the underlying connection crashes.\n /// A [`DisconnectReason`] is passed to the callback to indicate the reason for the disconnection.\n /// ### Example\n /// ```\n /// # use socketioxide::{SocketIo, socket::DisconnectReason, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef| async move {\n /// // Close the current socket\n /// socket.disconnect().ok();\n /// });\n /// socket.on_disconnect(|socket: SocketRef, reason: DisconnectReason| async move {\n /// println!(\"Socket {} on ns {} disconnected, reason: {:?}\", socket.id, socket.ns(), reason);\n /// });\n /// });\n pub fn on_disconnect(&self, callback: C)\n where\n C: DisconnectHandler + Send + Sync + 'static,\n T: Send + Sync + 'static,\n {\n let handler = MakeErasedHandler::new_disconnect_boxed(callback);\n self.disconnect_handler.lock().unwrap().replace(handler);\n }\n\n /// Emits a message to the client\n /// ## Errors\n /// * If the data cannot be serialized to JSON, a [`SendError::Serialize`] is returned.\n /// * If the packet buffer is full, a [`SendError::InternalChannelFull`] is returned.\n /// See [`SocketIoBuilder::max_buffer_size`](crate::SocketIoBuilder) option for more infos on internal buffer config\n /// ## Example\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef, Data::(data)| async move {\n /// // Emit a test message to the client\n /// socket.emit(\"test\", data).ok();\n /// });\n /// });\n /// ```\n pub fn emit(\n &self,\n event: impl Into>,\n data: impl Serialize,\n ) -> Result<(), SendError> {\n let ns = self.ns();\n let data = serde_json::to_value(data)?;\n if let Err(e) = self.send(Packet::event(ns, event.into(), data)) {\n #[cfg(feature = \"tracing\")]\n tracing::debug!(\"sending error during emit message: {e:?}\");\n return Err(e);\n }\n Ok(())\n }\n\n /// Emits a message to the client and wait for acknowledgement.\n ///\n /// The acknowledgement has a timeout specified in the config (5s by default)\n /// (see [`SocketIoBuilder::ack_timeout`](crate::SocketIoBuilder)) or with the `timeout()` operator.\n ///\n /// ## Errors\n /// * If the data cannot be serialized to JSON, a [`AckError::Serialize`] is returned.\n /// * If the packet could not be sent, a [`AckError::SendChannel`] is returned.\n /// * In case of timeout an [`AckError::Timeout`] is returned.\n /// ##### Example without custom timeout\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef, Data::(data)| async move {\n /// // Emit a test message and wait for an acknowledgement with the timeout specified in the config\n /// match socket.emit_with_ack::(\"test\", data).await {\n /// Ok(ack) => println!(\"Ack received {:?}\", ack),\n /// Err(err) => println!(\"Ack error {:?}\", err),\n /// }\n /// });\n /// });\n /// ```\n pub async fn emit_with_ack(\n &self,\n event: impl Into>,\n data: impl Serialize,\n ) -> Result, AckError>\n where\n V: DeserializeOwned + Send + Sync + 'static,\n {\n let ns = self.ns();\n let data = serde_json::to_value(data)?;\n let packet = Packet::event(Cow::Borrowed(ns), event.into(), data);\n\n self.send_with_ack(packet, None).await\n }\n\n // Room actions\n\n /// Joins the given rooms.\n ///\n /// If the room does not exist, it will be created.\n ///\n /// ## Errors\n /// When using a distributed adapter, it can return an [`Adapter::Error`] which is mostly related to network errors.\n /// For the default [`LocalAdapter`] it is always an [`Infallible`](std::convert::Infallible) error\n pub fn join(&self, rooms: impl RoomParam) -> Result<(), A::Error> {\n self.ns.adapter.add_all(self.id, rooms)\n }\n\n /// Leaves the given rooms.\n ///\n /// If the room does not exist, it will do nothing\n /// ## Errors\n /// When using a distributed adapter, it can return an [`Adapter::Error`] which is mostly related to network errors.\n /// For the default [`LocalAdapter`] it is always an [`Infallible`](std::convert::Infallible) error\n pub fn leave(&self, rooms: impl RoomParam) -> Result<(), A::Error> {\n self.ns.adapter.del(self.id, rooms)\n }\n\n /// Leaves all rooms where the socket is connected.\n /// ## Errors\n /// When using a distributed adapter, it can return an [`Adapter::Error`] which is mostly related to network errors.\n /// For the default [`LocalAdapter`] it is always an [`Infallible`](std::convert::Infallible) error\n pub fn leave_all(&self) -> Result<(), A::Error> {\n self.ns.adapter.del_all(self.id)\n }\n\n /// Gets all rooms where the socket is connected.\n /// ## Errors\n /// When using a distributed adapter, it can return an [`Adapter::Error`] which is mostly related to network errors.\n /// For the default [`LocalAdapter`] it is always an [`Infallible`](std::convert::Infallible) error\n pub fn rooms(&self) -> Result, A::Error> {\n self.ns.adapter.socket_rooms(self.id)\n }\n\n // Socket operators\n\n /// Selects all clients in the given rooms except the current socket.\n ///\n /// If you want to include the current socket, use the `within()` operator.\n /// ##### Example\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef, Data::(data)| async move {\n /// let other_rooms = \"room4\".to_string();\n /// // In room1, room2, room3 and room4 except the current\n /// socket\n /// .to(\"room1\")\n /// .to([\"room2\", \"room3\"])\n /// .to(vec![other_rooms])\n /// .emit(\"test\", data);\n /// });\n /// });\n pub fn to(&self, rooms: impl RoomParam) -> Operators {\n Operators::new(self.ns.clone(), Some(self.id)).to(rooms)\n }\n\n /// Selects all clients in the given rooms.\n ///\n /// It does include the current socket contrary to the `to()` operator.\n /// #### Example\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef, Data::(data)| async move {\n /// let other_rooms = \"room4\".to_string();\n /// // In room1, room2, room3 and room4 including the current socket\n /// socket\n /// .within(\"room1\")\n /// .within([\"room2\", \"room3\"])\n /// .within(vec![other_rooms])\n /// .emit(\"test\", data);\n /// });\n /// });\n pub fn within(&self, rooms: impl RoomParam) -> Operators {\n Operators::new(self.ns.clone(), Some(self.id)).within(rooms)\n }\n\n /// Filters out all clients selected with the previous operators which are in the given rooms.\n /// ##### Example\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"register1\", |socket: SocketRef, Data::(data)| async move {\n /// socket.join(\"room1\");\n /// });\n /// socket.on(\"register2\", |socket: SocketRef, Data::(data)| async move {\n /// socket.join(\"room2\");\n /// });\n /// socket.on(\"test\", |socket: SocketRef, Data::(data)| async move {\n /// // This message will be broadcast to all clients in the Namespace\n /// // except for ones in room1 and the current socket\n /// socket.broadcast().except(\"room1\").emit(\"test\", data);\n /// });\n /// });\n pub fn except(&self, rooms: impl RoomParam) -> Operators {\n Operators::new(self.ns.clone(), Some(self.id)).except(rooms)\n }\n\n /// Broadcasts to all clients only connected on this node (when using multiple nodes).\n /// When using the default in-memory [`LocalAdapter`], this operator is a no-op.\n /// ##### Example\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef, Data::(data)| async move {\n /// // This message will be broadcast to all clients in this namespace and connected on this node\n /// socket.local().emit(\"test\", data);\n /// });\n /// });\n pub fn local(&self) -> Operators {\n Operators::new(self.ns.clone(), Some(self.id)).local()\n }\n\n /// Sets a custom timeout when sending a message with an acknowledgement.\n ///\n /// ##### Example\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use futures::stream::StreamExt;\n /// # use std::time::Duration;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef, Data::(data), Bin(bin)| async move {\n /// // Emit a test message in the room1 and room3 rooms, except for the room2 room with the binary payload received, wait for 5 seconds for an acknowledgement\n /// socket.to(\"room1\")\n /// .to(\"room3\")\n /// .except(\"room2\")\n /// .bin(bin)\n /// .timeout(Duration::from_secs(5))\n /// .emit_with_ack::(\"message-back\", data).unwrap().for_each(|ack| async move {\n /// match ack {\n /// Ok(ack) => println!(\"Ack received {:?}\", ack),\n /// Err(err) => println!(\"Ack error {:?}\", err),\n /// }\n /// }).await;\n /// });\n /// });\n ///\n pub fn timeout(&self, timeout: Duration) -> Operators {\n Operators::new(self.ns.clone(), Some(self.id)).timeout(timeout)\n }\n\n /// Adds a binary payload to the message.\n /// ##### Example\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef, Data::(data), Bin(bin)| async move {\n /// // This will send the binary payload received to all clients in this namespace with the test message\n /// socket.bin(bin).emit(\"test\", data);\n /// });\n /// });\n pub fn bin(&self, binary: Vec>) -> Operators {\n Operators::new(self.ns.clone(), Some(self.id)).bin(binary)\n }\n\n /// Broadcasts to all clients without any filtering (except the current socket).\n /// ##### Example\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef, Data::(data)| async move {\n /// // This message will be broadcast to all clients in this namespace\n /// socket.broadcast().emit(\"test\", data);\n /// });\n /// });\n pub fn broadcast(&self) -> Operators {\n Operators::new(self.ns.clone(), Some(self.id)).broadcast()\n }\n\n /// Disconnects the socket from the current namespace,\n ///\n /// It will also call the disconnect handler if it is set.\n pub fn disconnect(self: Arc) -> Result<(), SendError> {\n self.send(Packet::disconnect(&self.ns.path))?;\n self.close(DisconnectReason::ServerNSDisconnect)?;\n Ok(())\n }\n\n /// Closes the engine.io connection if it is not already closed.\n /// Return a future that resolves when the underlying transport is closed.\n pub(crate) async fn close_underlying_transport(&self) {\n if !self.esocket.is_closed() {\n #[cfg(feature = \"tracing\")]\n tracing::debug!(\"closing underlying transport for socket: {}\", self.id);\n self.esocket.close(EIoDisconnectReason::ClosingServer);\n }\n self.esocket.closed().await;\n }\n\n /// Gets the current namespace path.\n pub fn ns(&self) -> &str {\n &self.ns.path\n }\n\n pub(crate) fn send(&self, mut packet: Packet<'_>) -> Result<(), SendError> {\n let bin_payloads = match packet.inner {\n PacketData::BinaryEvent(_, ref mut bin, _) | PacketData::BinaryAck(ref mut bin, _) => {\n Some(std::mem::take(&mut bin.bin))\n }\n _ => None,\n };\n\n let msg = packet.try_into()?;\n self.esocket.emit(msg)?;\n if let Some(bin_payloads) = bin_payloads {\n for bin in bin_payloads {\n self.esocket.emit_binary(bin)?;\n }\n }\n\n Ok(())\n }\n\n pub(crate) async fn send_with_ack<'a, V: DeserializeOwned>(\n &self,\n mut packet: Packet<'a>,\n timeout: Option,\n ) -> Result, AckError> {\n let (tx, rx) = oneshot::channel();\n let ack = self.ack_counter.fetch_add(1, Ordering::SeqCst) + 1;\n self.ack_message.lock().unwrap().insert(ack, tx);\n packet.inner.set_ack_id(ack);\n self.send(packet)?;\n let timeout = timeout.unwrap_or(self.config.ack_timeout);\n let v = tokio::time::timeout(timeout, rx).await??;\n Ok(AckResponse {\n data: serde_json::from_value(v.data)?,\n binary: v.binary,\n })\n }\n\n /// Called when the socket is gracefully disconnected from the server or the client\n ///\n /// It maybe also close when the underlying transport is closed or failed.\n pub(crate) fn close(self: Arc, reason: DisconnectReason) -> Result<(), AdapterError> {\n if let Some(handler) = self.disconnect_handler.lock().unwrap().take() {\n handler.call(self.clone(), reason);\n }\n\n self.ns.remove_socket(self.id)?;\n Ok(())\n }\n\n // Receives data from client:\n pub(crate) fn recv(self: Arc, packet: PacketData<'_>) -> Result<(), Error> {\n match packet {\n PacketData::Event(e, data, ack) => self.recv_event(&e, data, ack),\n PacketData::EventAck(data, ack_id) => self.recv_ack(data, ack_id),\n PacketData::BinaryEvent(e, packet, ack) => self.recv_bin_event(&e, packet, ack),\n PacketData::BinaryAck(packet, ack) => self.recv_bin_ack(packet, ack),\n PacketData::Disconnect => self\n .close(DisconnectReason::ClientNSDisconnect)\n .map_err(Error::from),\n _ => unreachable!(),\n }\n }\n\n /// Gets the request info made by the client to connect\n ///\n /// Note that the `extensions` field will be empty and will not\n /// contain extensions set in the previous http layers for requests initialized with ws transport.\n ///\n /// It is because [`http::Extensions`] is not cloneable and is needed for ws upgrade.\n pub fn req_parts(&self) -> &http::request::Parts {\n &self.esocket.req_parts\n }\n\n /// Gets the [`TransportType`](crate::TransportType) used by the client to connect with this [`Socket`]\n ///\n /// It can also be accessed as an extractor:\n /// ```\n /// # use socketioxide::{SocketIo, TransportType, extract::*};\n ///\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef, transport: TransportType| {\n /// assert_eq!(socket.transport_type(), transport);\n /// });\n pub fn transport_type(&self) -> crate::TransportType {\n self.esocket.transport_type()\n }\n\n /// Gets the socket.io [`ProtocolVersion`](crate::ProtocolVersion) used by the client to connect with this [`Socket`]\n ///\n /// It can also be accessed as an extractor:\n /// ## Example\n /// ```\n /// # use socketioxide::{SocketIo, ProtocolVersion, extract::*};\n ///\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef, v: ProtocolVersion| {\n /// assert_eq!(socket.protocol(), v);\n /// });\n pub fn protocol(&self) -> crate::ProtocolVersion {\n self.esocket.protocol.into()\n }\n\n fn recv_event(self: Arc, e: &str, data: Value, ack: Option) -> Result<(), Error> {\n if let Some(handler) = self.message_handlers.read().unwrap().get(e) {\n handler.call(self.clone(), data, vec![], ack);\n }\n Ok(())\n }\n\n fn recv_bin_event(\n self: Arc,\n e: &str,\n packet: BinaryPacket,\n ack: Option,\n ) -> Result<(), Error> {\n if let Some(handler) = self.message_handlers.read().unwrap().get(e) {\n handler.call(self.clone(), packet.data, packet.bin, ack);\n }\n Ok(())\n }\n\n fn recv_ack(self: Arc, data: Value, ack: i64) -> Result<(), Error> {\n if let Some(tx) = self.ack_message.lock().unwrap().remove(&ack) {\n let res = AckResponse {\n data,\n binary: vec![],\n };\n tx.send(res).ok();\n }\n Ok(())\n }\n\n fn recv_bin_ack(self: Arc, packet: BinaryPacket, ack: i64) -> Result<(), Error> {\n if let Some(tx) = self.ack_message.lock().unwrap().remove(&ack) {\n let res = AckResponse {\n data: packet.data,\n binary: packet.bin,\n };\n tx.send(res).ok();\n }\n Ok(())\n }\n}\n\nimpl Debug for Socket {\n fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {\n f.debug_struct(\"Socket\")\n .field(\"ns\", &self.ns())\n .field(\"ack_message\", &self.ack_message)\n .field(\"ack_counter\", &self.ack_counter)\n .field(\"sid\", &self.id)\n .finish()\n }\n}\n\n#[cfg(test)]\nimpl Socket {\n pub fn new_dummy(sid: Sid, ns: Arc>) -> Socket {\n let close_fn = Box::new(move |_, _| ());\n Socket::new(\n sid,\n ns,\n engineioxide::Socket::new_dummy(sid, close_fn).into(),\n Arc::new(SocketIoConfig::default()),\n )\n }\n}\n +Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP +<+>UTF-8 +=================================================================== +diff --git a/socketioxide/src/socket.rs b/socketioxide/src/socket.rs +--- a/socketioxide/src/socket.rs (revision b9e22e03ae80f41e2720111afaae748e8d38bbae) ++++ b/socketioxide/src/socket.rs (date 1703514694292) +@@ -38,6 +38,7 @@ + }; + + pub use engineioxide::sid::Sid; ++use crate::operators_single::OperatorsSingle; + + /// All the possible reasons for a [`Socket`] to be disconnected from a namespace. + /// +@@ -274,14 +275,7 @@ + event: impl Into>, + data: impl Serialize, + ) -> Result<(), SendError> { +- let ns = self.ns(); +- let data = serde_json::to_value(data)?; +- if let Err(e) = self.send(Packet::event(ns, event.into(), data)) { +- #[cfg(feature = "tracing")] +- tracing::debug!("sending error during emit message: {e:?}"); +- return Err(e); +- } +- Ok(()) ++ OperatorsSingle::new(self).emit(event, data) + } + + /// Emits a message to the client and wait for acknowledgement. +@@ -317,11 +311,7 @@ + where + V: DeserializeOwned + Send + Sync + 'static, + { +- let ns = self.ns(); +- let data = serde_json::to_value(data)?; +- let packet = Packet::event(Cow::Borrowed(ns), event.into(), data); +- +- self.send_with_ack(packet, None).await ++ OperatorsSingle::new(self).emit_with_ack(event, data).await + } + + // Room actions +Index: socketioxide/src/operators_single.rs +IDEA additional info: +Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP +<+>UTF-8 +=================================================================== +diff --git a/socketioxide/src/operators_single.rs b/socketioxide/src/operators_single.rs +new file mode 100644 +--- /dev/null (date 1703524230684) ++++ b/socketioxide/src/operators_single.rs (date 1703524230684) +@@ -0,0 +1,142 @@ ++//! [`OperatorsSingle`] are used to select sockets to send a packet to, or to configure the packet that will be emitted. ++//! It uses the builder pattern to chain operators. ++use std::borrow::Cow; ++use std::{time::Duration}; ++ ++use serde::de::DeserializeOwned; ++use serde::Serialize; ++use engineioxide::{Packet, Socket}; ++ ++use crate::adapter::LocalAdapter; ++use crate::socket::AckResponse; ++use crate::{adapter::{Adapter}, errors::AckError, SendError}; ++ ++/// Operators are used to select sockets to send a packet to, or to configure the packet that will be emitted. ++#[derive(Debug)] ++pub struct OperatorsSingle { ++ socket: Socket, ++ timeout: Option, ++ binary: Vec>, ++} ++ ++impl OperatorsSingle { ++ pub(crate) fn new(socket: Socket) -> Self { ++ Self { ++ socket, ++ timeout: None, ++ binary: vec![], ++ } ++ } ++ ++ pub fn timeout(mut self, timeout: Duration) -> Self { ++ self.timeout = Some(timeout); ++ self ++ } ++ ++ /// Adds a binary payload to the message. ++ /// #### Example ++ /// ``` ++ /// # use socketioxide::{SocketIo, extract::*}; ++ /// # use serde_json::Value; ++ /// let (_, io) = SocketIo::new_svc(); ++ /// io.ns("/", |socket: SocketRef| { ++ /// socket.on("test", |socket: SocketRef, Data::(data), Bin(bin)| async move { ++ /// // This will send the binary payload to the socket with the test message ++ /// socket.bin(bin).emit("test", data); ++ /// }); ++ /// }); ++ pub fn bin(mut self, binary: Vec>) -> Self { ++ self.binary = binary; ++ self ++ } ++ ++ /// Emits a message to the client ++ /// ## Errors ++ /// * If the data cannot be serialized to JSON, a [`SendError::Serialize`] is returned. ++ /// * If the packet buffer is full, a [`SendError::InternalChannelFull`] is returned. ++ /// See [`SocketIoBuilder::max_buffer_size`](crate::SocketIoBuilder) option for more infos on internal buffer config ++ /// ## Example ++ /// ``` ++ /// # use socketioxide::{SocketIo, extract::*}; ++ /// # use serde_json::Value; ++ /// # use std::sync::Arc; ++ /// let (_, io) = SocketIo::new_svc(); ++ /// io.ns("/", |socket: SocketRef| { ++ /// socket.on("test", |socket: SocketRef, Data::(data)| async move { ++ /// // Emit a test message to the client ++ /// socket.emit("test", data).ok(); ++ /// }); ++ /// }); ++ /// ``` ++ pub fn emit( ++ mut self, ++ event: impl Into>, ++ data: impl Serialize, ++ ) -> Result<(), SendError> { ++ let ns = self.ns(); ++ let data = serde_json::to_value(data)?; ++ if let Err(e) = self.socket.send(Packet::event(ns, event.into(), data)) { ++ #[cfg(feature = "tracing")] ++ tracing::debug!("sending error during emit message: {e:?}"); ++ return Err(SendError::from(e)); ++ } ++ Ok(()) ++ } ++ ++ /// Emits a message to the client and wait for acknowledgement. ++ /// ++ /// The acknowledgement has a timeout specified in the config (5s by default) ++ /// (see [`SocketIoBuilder::ack_timeout`](crate::SocketIoBuilder)) or with the `timeout()` operator. ++ /// ++ /// ## Errors ++ /// * If the data cannot be serialized to JSON, a [`AckError::Serialize`] is returned. ++ /// * If the packet could not be sent, a [`AckError::SendChannel`] is returned. ++ /// * In case of timeout an [`AckError::Timeout`] is returned. ++ /// ##### Example without custom timeout ++ /// ``` ++ /// # use socketioxide::{SocketIo, extract::*}; ++ /// # use serde_json::Value; ++ /// # use std::sync::Arc; ++ /// let (_, io) = SocketIo::new_svc(); ++ /// io.ns("/", |socket: SocketRef| { ++ /// socket.on("test", |socket: SocketRef, Data::(data)| async move { ++ /// // Emit a test message and wait for an acknowledgement with the timeout specified in the config ++ /// match socket.emit_with_ack::("test", data).await { ++ /// Ok(ack) => println!("Ack received {:?}", ack), ++ /// Err(err) => println!("Ack error {:?}", err), ++ /// } ++ /// }); ++ /// }); ++ /// ``` ++ pub async fn emit_with_ack( ++ &self, ++ event: impl Into>, ++ data: impl Serialize, ++ ) -> Result, AckError> ++ where ++ V: DeserializeOwned + Send + Sync + 'static, ++ { ++ let ns = self.socket.ns(); ++ let data = serde_json::to_value(data)?; ++ let packet = Packet::event(Cow::Borrowed(ns), event.into(), data); ++ ++ self.send_with_ack(packet, None).await ++ } ++ ++ /// Creates a packet with the given event and data. ++ fn get_packet( ++ &mut self, ++ event: impl Into>, ++ data: impl serde::Serialize, ++ ) -> Result, serde_json::Error> { ++ let ns = self.socket.ns(); ++ let data = serde_json::to_value(data)?; ++ let packet = if self.binary.is_empty() { ++ Packet::event(ns, event.into(), data) ++ } else { ++ let binary = std::mem::take(&mut self.binary); ++ Packet::bin_event(ns, event.into(), data, binary) ++ }; ++ Ok(packet) ++ } ++} +\ No newline at end of file +Index: engineioxide/src/socket.rs +IDEA additional info: +Subsystem: com.intellij.openapi.diff.impl.patch.BaseRevisionTextPatchEP +<+>//! ## A [`Socket`] represents a client connection to the server\n//!\n//! It can be used to :\n//! * Emit binary or string data\n//! * Get a reference to the request made to connect to the socket.io server\n//! * Close the connection\n//!\n//! #### Example :\n//! ```rust\n//! # use engineioxide::service::EngineIoService;\n//! # use engineioxide::handler::EngineIoHandler;\n//! # use engineioxide::{Socket, DisconnectReason};\n//! # use std::sync::{Mutex, Arc};\n//! # use std::sync::atomic::{AtomicUsize, Ordering};\n//! // Global state\n//! #[derive(Debug, Default)]\n//! struct MyHandler {\n//! user_cnt: AtomicUsize,\n//! }\n//!\n//! // Socket state\n//! #[derive(Debug, Default)]\n//! struct SocketState {\n//! id: Mutex,\n//! }\n//!\n//! impl EngineIoHandler for MyHandler {\n//! type Data = SocketState;\n//!\n//! fn on_connect(&self, socket: Arc>) {\n//! // Get the request made to initialize the connection\n//! // and check that the authorization header is correct\n//! let connected = socket.req_parts.headers.get(\"Authorization\")\n//! .map(|a| a == \"mysuperpassword!\").unwrap_or_default();\n//! // Close the socket if the authentication is invalid\n//! if !connected {\n//! socket.close(DisconnectReason::TransportError);\n//! return;\n//! }\n//!\n//! let cnt = self.user_cnt.fetch_add(1, Ordering::Relaxed) + 1;\n//! // Emit string data to the client\n//! socket.emit(cnt.to_string()).ok();\n//! }\n//! fn on_disconnect(&self, socket: Arc>, reason: DisconnectReason) {\n//! let cnt = self.user_cnt.fetch_sub(1, Ordering::Relaxed) - 1;\n//! }\n//! fn on_message(&self, msg: String, socket: Arc>) {\n//! *socket.data.id.lock().unwrap() = msg; // bind a provided user id to a socket\n//! }\n//! fn on_binary(&self, data: Vec, socket: Arc>) { }\n//! }\n//!\n//! let svc = EngineIoService::new(MyHandler::default());\n//! ```\nuse std::{\n sync::{\n atomic::{AtomicU8, Ordering},\n Arc,\n },\n time::Duration,\n};\n\nuse http::request::Parts;\nuse tokio::{\n sync::{\n mpsc::{self},\n mpsc::{error::TrySendError, Receiver},\n Mutex,\n },\n task::JoinHandle,\n};\nuse tokio_tungstenite::tungstenite;\n\nuse crate::{\n config::EngineIoConfig, errors::Error, packet::Packet, peekable::PeekableReceiver,\n service::ProtocolVersion,\n};\nuse crate::{service::TransportType, sid::Sid};\n\n/// A [`DisconnectReason`] represents the reason why a [`Socket`] was closed.\n#[derive(Debug, Clone, PartialEq, Eq)]\npub enum DisconnectReason {\n /// The client gracefully closed the connection\n TransportClose,\n /// The client sent multiple polling requests at the same time (it is forbidden according to the engine.io protocol)\n MultipleHttpPollingError,\n /// The client sent a bad request / the packet could not be parsed correctly\n PacketParsingError,\n /// An error occured in the transport layer\n /// (e.g. the client closed the connection without sending a close packet)\n TransportError,\n /// The client did not respond to the heartbeat\n HeartbeatTimeout,\n /// The server is being closed\n ClosingServer,\n}\n\n/// Convert an [`Error`] to a [`DisconnectReason`] if possible\n/// This is used to notify the [`Handler`](crate::handler::EngineIoHandler) of the reason why a [`Socket`] was closed\n/// If the error cannot be converted to a [`DisconnectReason`] it means that the error was not fatal and the [`Socket`] can be kept alive\nimpl From<&Error> for Option {\n fn from(err: &Error) -> Self {\n use Error::*;\n match err {\n WsTransport(tungstenite::Error::ConnectionClosed) => None,\n WsTransport(_) | Io(_) => Some(DisconnectReason::TransportError),\n BadPacket(_) | Serialize(_) | Base64(_) | StrUtf8(_) | PayloadTooLarge\n | InvalidPacketLength | InvalidPacketType(_) => {\n Some(DisconnectReason::PacketParsingError)\n }\n HeartbeatTimeout => Some(DisconnectReason::HeartbeatTimeout),\n _ => None,\n }\n }\n}\n\n/// A [`Socket`] represents a client connection to the server.\n/// It is agnostic to the [`TransportType`].\n///\n/// It handles :\n/// * the packet communication between with the `Engine`\n/// and the user defined [`Handler`](crate::handler::EngineIoHandler).\n/// * the user defined [`Data`](crate::handler::EngineIoHandler::Data) bound to the socket.\n/// * the heartbeat job that verify that the connection is still up by sending packets periodically.\npub struct Socket\nwhere\n D: Default + Send + Sync + 'static,\n{\n /// The socket id\n pub id: Sid,\n\n /// The protocol version used by the socket\n pub protocol: ProtocolVersion,\n\n /// The transport type represented as a bitfield\n /// It is represented as a bitfield to allow the use of an [`AtomicU8`] so it can be shared between threads\n /// without any mutex\n transport: AtomicU8,\n\n /// Channel to receive [`Packet`] from the connection\n ///\n /// It is used and managed by the [`EngineIo`](crate::engine) struct depending on the transport type\n ///\n /// It is locked if [`EngineIo`](crate::engine) is currently reading from it :\n /// * In case of polling transport it will be locked and released for each request\n /// * In case of websocket transport it will be always locked until the connection is closed\n ///\n /// It will be closed when a [`Close`](Packet::Close) packet is received:\n /// * From the [encoder](crate::service::encoder) if the transport is polling\n /// * From the fn [`on_ws_req_init`](crate::engine::EngineIo) if the transport is websocket\n /// * Automatically via the [`close_session fn`](crate::engine::EngineIo::close_session) as a fallback.\n /// Because with polling transport, if the client is not currently polling then the encoder will never be able to close the channel\n pub(crate) internal_rx: Mutex>,\n\n /// Channel to send [Packet] to the internal connection\n internal_tx: mpsc::Sender,\n\n /// Internal channel to receive Pong [`Packets`](Packet) (v4 protocol) or Ping (v3 protocol) in the heartbeat job\n /// which is running in a separate task\n heartbeat_rx: Mutex>,\n /// Channel to send Ping [`Packets`](Packet) (v4 protocol) or Ping (v3 protocol) from the connexion to the heartbeat job\n /// which is running in a separate task\n pub(crate) heartbeat_tx: mpsc::Sender<()>,\n /// Handle to the heartbeat job so that it can be aborted when the socket is closed\n heartbeat_handle: Mutex>>,\n\n /// Function to call when the socket is closed\n close_fn: Box,\n /// User data bound to the socket\n pub data: D,\n\n /// Http Request data used to create a socket\n pub req_parts: Parts,\n\n /// If the client supports binary packets (via polling XHR2)\n #[cfg(feature = \"v3\")]\n pub(crate) supports_binary: bool,\n}\n\nimpl Socket\nwhere\n D: Default + Send + Sync + 'static,\n{\n pub(crate) fn new(\n protocol: ProtocolVersion,\n transport: TransportType,\n config: &EngineIoConfig,\n req_parts: Parts,\n close_fn: Box,\n #[cfg(feature = \"v3\")] supports_binary: bool,\n ) -> Self {\n let (internal_tx, internal_rx) = mpsc::channel(config.max_buffer_size);\n let (heartbeat_tx, heartbeat_rx) = mpsc::channel(1);\n\n Self {\n id: Sid::new(),\n protocol,\n transport: AtomicU8::new(transport as u8),\n\n internal_rx: Mutex::new(PeekableReceiver::new(internal_rx)),\n internal_tx,\n\n heartbeat_rx: Mutex::new(heartbeat_rx),\n heartbeat_tx,\n heartbeat_handle: Mutex::new(None),\n close_fn,\n\n data: D::default(),\n req_parts,\n\n #[cfg(feature = \"v3\")]\n supports_binary,\n }\n }\n\n /// Abort the heartbeat job if it is running\n pub(crate) fn abort_heartbeat(&self) {\n if let Ok(Some(handle)) = self.heartbeat_handle.try_lock().map(|mut h| h.take()) {\n handle.abort();\n }\n }\n\n /// Sends a packet to the connection.\n pub(crate) fn send(&self, packet: Packet) -> Result<(), TrySendError> {\n #[cfg(feature = \"tracing\")]\n tracing::debug!(\"[sid={}] sending packet: {:?}\", self.id, packet);\n self.internal_tx.try_send(packet)?;\n Ok(())\n }\n\n /// Spawn the heartbeat job\n ///\n /// Keep a handle to the job so that it can be aborted when the socket is closed\n pub(crate) fn spawn_heartbeat(self: Arc, interval: Duration, timeout: Duration) {\n let socket = self.clone();\n\n let handle = tokio::spawn(async move {\n if let Err(_e) = socket.heartbeat_job(interval, timeout).await {\n socket.close(DisconnectReason::HeartbeatTimeout);\n #[cfg(feature = \"tracing\")]\n tracing::debug!(\"[sid={}] heartbeat error: {:?}\", socket.id, _e);\n }\n });\n self.heartbeat_handle\n .try_lock()\n .expect(\"heartbeat handle mutex should not be locked twice\")\n .replace(handle);\n }\n\n /// Heartbeat is sent every `interval` milliseconds by the client and the server is expected to respond within `timeout` milliseconds.\n ///\n /// If the client or server does not respond within the timeout, the connection is closed.\n #[cfg(feature = \"v3\")]\n async fn heartbeat_job(&self, interval: Duration, timeout: Duration) -> Result<(), Error> {\n match self.protocol {\n ProtocolVersion::V3 => self.heartbeat_job_v3(interval, timeout).await,\n ProtocolVersion::V4 => self.heartbeat_job_v4(interval, timeout).await,\n }\n }\n\n /// Heartbeat is sent every `interval` milliseconds and the client is expected to respond within `timeout` milliseconds.\n ///\n /// If the client does not respond within the timeout, the connection is closed.\n #[cfg(not(feature = \"v3\"))]\n async fn heartbeat_job(&self, interval: Duration, timeout: Duration) -> Result<(), Error> {\n self.heartbeat_job_v4(interval, timeout).await\n }\n\n /// Heartbeat is sent every `interval` milliseconds and the client is expected to respond within `timeout` milliseconds.\n ///\n /// If the client does not respond within the timeout, the connection is closed.\n async fn heartbeat_job_v4(&self, interval: Duration, timeout: Duration) -> Result<(), Error> {\n let mut heartbeat_rx = self\n .heartbeat_rx\n .try_lock()\n .expect(\"Pong rx should be locked only once\");\n\n let instant = tokio::time::Instant::now();\n let mut interval_tick = tokio::time::interval(interval);\n interval_tick.tick().await;\n // Sleep for an interval minus the time it took to get here\n tokio::time::sleep(interval.saturating_sub(Duration::from_millis(\n 15 + instant.elapsed().as_millis() as u64,\n )))\n .await;\n\n #[cfg(feature = \"tracing\")]\n tracing::debug!(\"[sid={}] heartbeat sender routine started\", self.id);\n\n loop {\n // Some clients send the pong packet in first. If that happens, we should consume it.\n heartbeat_rx.try_recv().ok();\n\n self.internal_tx\n .try_send(Packet::Ping)\n .map_err(|_| Error::HeartbeatTimeout)?;\n tokio::time::timeout(timeout, heartbeat_rx.recv())\n .await\n .map_err(|_| Error::HeartbeatTimeout)?\n .ok_or(Error::HeartbeatTimeout)?;\n interval_tick.tick().await;\n }\n }\n\n #[cfg(feature = \"v3\")]\n async fn heartbeat_job_v3(&self, interval: Duration, timeout: Duration) -> Result<(), Error> {\n let mut heartbeat_rx = self\n .heartbeat_rx\n .try_lock()\n .expect(\"Pong rx should be locked only once\");\n\n #[cfg(feature = \"tracing\")]\n tracing::debug!(\"[sid={}] heartbeat receiver routine started\", self.id);\n\n loop {\n tokio::time::timeout(interval + timeout, heartbeat_rx.recv())\n .await\n .map_err(|_| Error::HeartbeatTimeout)?\n .ok_or(Error::HeartbeatTimeout)?;\n\n #[cfg(feature = \"tracing\")]\n tracing::debug!(\"[sid={}] ping received, sending pong\", self.id);\n self.internal_tx\n .try_send(Packet::Pong)\n .map_err(|_| Error::HeartbeatTimeout)?;\n }\n }\n\n /// Returns true if the [`Socket`] has a websocket [`TransportType`]\n pub(crate) fn is_ws(&self) -> bool {\n self.transport.load(Ordering::Relaxed) == TransportType::Websocket as u8\n }\n /// returns true if the [`Socket`] has an HTTP [`TransportType`]\n pub(crate) fn is_http(&self) -> bool {\n self.transport.load(Ordering::Relaxed) == TransportType::Polling as u8\n }\n\n /// Sets the [`TransportType`] to WebSocket\n /// Used when the client upgrade the connection from HTTP to WebSocket\n pub(crate) fn upgrade_to_websocket(&self) {\n self.transport\n .store(TransportType::Websocket as u8, Ordering::Relaxed);\n }\n\n /// Returns the current [`TransportType`] of the [`Socket`]\n pub fn transport_type(&self) -> TransportType {\n TransportType::from(self.transport.load(Ordering::Relaxed))\n }\n\n /// Emits a message to the client.\n ///\n /// If the transport is in websocket mode, the message is directly sent as a text frame.\n ///\n /// If the transport is in polling mode, the message is buffered and sent as a text frame to the next polling request.\n ///\n /// ⚠\uFE0F If the buffer is full or the socket is disconnected, an error will be returned with the original data\n pub fn emit(&self, msg: String) -> Result<(), TrySendError> {\n self.send(Packet::Message(msg)).map_err(|e| match e {\n TrySendError::Full(p) => TrySendError::Full(p.into_message()),\n TrySendError::Closed(p) => TrySendError::Closed(p.into_message()),\n })\n }\n\n /// Immediately closes the socket and the underlying connection.\n /// The socket will be removed from the `Engine` and the [`Handler`](crate::handler::EngineIoHandler) will be notified.\n pub fn close(&self, reason: DisconnectReason) {\n (self.close_fn)(self.id, reason);\n self.send(Packet::Close).ok();\n }\n\n /// Returns true if the socket is closed\n /// It means that no more packets can be sent to the client\n pub fn is_closed(&self) -> bool {\n self.internal_tx.is_closed()\n }\n\n /// Wait for the socket to be fully closed\n pub async fn closed(&self) {\n self.internal_tx.closed().await\n }\n\n /// Emits a binary message to the client.\n ///\n /// If the transport is in websocket mode, the message is directly sent as a binary frame.\n ///\n /// If the transport is in polling mode, the message is buffered and sent as a text frame **encoded in base64** to the next polling request.\n ///\n /// ⚠\uFE0F If the buffer is full or the socket is disconnected, an error will be returned with the original data\n pub fn emit_binary(&self, data: Vec) -> Result<(), TrySendError>> {\n if self.protocol == ProtocolVersion::V3 {\n self.send(Packet::BinaryV3(data))\n } else {\n self.send(Packet::Binary(data))\n }\n .map_err(|e| match e {\n TrySendError::Full(p) => TrySendError::Full(p.into_binary()),\n TrySendError::Closed(p) => TrySendError::Closed(p.into_binary()),\n })\n }\n}\n\nimpl std::fmt::Debug for Socket {\n fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {\n f.debug_struct(\"Socket\")\n .field(\"sid\", &self.id)\n .field(\"protocol\", &self.protocol)\n .field(\"conn\", &self.transport)\n .field(\"internal_rx\", &self.internal_rx)\n .field(\"internal_tx\", &self.internal_tx)\n .field(\"heartbeat_rx\", &self.heartbeat_rx)\n .field(\"heartbeat_tx\", &self.heartbeat_tx)\n .field(\"heartbeat_handle\", &self.heartbeat_handle)\n .field(\"req_data\", &self.req_parts)\n .finish()\n }\n}\n\n#[cfg(feature = \"test-utils\")]\nimpl Drop for Socket\nwhere\n D: Default + Send + Sync + 'static,\n{\n fn drop(&mut self) {\n #[cfg(feature = \"tracing\")]\n tracing::debug!(\"[sid={}] dropping socket\", self.id);\n }\n}\n\n#[cfg(feature = \"test-utils\")]\nimpl Socket\nwhere\n D: Default + Send + Sync + 'static,\n{\n /// Create a dummy socket for testing purpose\n pub fn new_dummy(\n sid: Sid,\n close_fn: Box,\n ) -> Socket {\n let (internal_tx, internal_rx) = mpsc::channel(200);\n let (heartbeat_tx, heartbeat_rx) = mpsc::channel(1);\n\n Self {\n id: sid,\n protocol: ProtocolVersion::V4,\n transport: AtomicU8::new(TransportType::Websocket as u8),\n\n internal_rx: Mutex::new(PeekableReceiver::new(internal_rx)),\n internal_tx,\n\n heartbeat_rx: Mutex::new(heartbeat_rx),\n heartbeat_tx,\n heartbeat_handle: Mutex::new(None),\n close_fn,\n\n data: D::default(),\n req_parts: http::Request::<()>::default().into_parts().0,\n\n #[cfg(feature = \"v3\")]\n supports_binary: true,\n }\n }\n}\n +Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP +<+>UTF-8 +=================================================================== +diff --git a/engineioxide/src/socket.rs b/engineioxide/src/socket.rs +--- a/engineioxide/src/socket.rs (revision b9e22e03ae80f41e2720111afaae748e8d38bbae) ++++ b/engineioxide/src/socket.rs (date 1703514694297) +@@ -222,7 +222,7 @@ + } + + /// Sends a packet to the connection. +- pub(crate) fn send(&self, packet: Packet) -> Result<(), TrySendError> { ++ pub fn send(&self, packet: Packet) -> Result<(), TrySendError> { + #[cfg(feature = "tracing")] + tracing::debug!("[sid={}] sending packet: {:?}", self.id, packet); + self.internal_tx.try_send(packet)?; +Index: examples/axum-echo/index.js +IDEA additional info: +Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP +<+>UTF-8 +=================================================================== +diff --git a/examples/axum-echo/index.js b/examples/axum-echo/index.js +new file mode 100644 +--- /dev/null (date 1703506891537) ++++ b/examples/axum-echo/index.js (date 1703506891537) +@@ -0,0 +1,26 @@ ++import {io} from "socket.io-client"; ++ ++const socket = io("http://localhost:3000"); ++const enc = new TextEncoder(); ++var counter = 0; ++ ++socket.on("connect", () => { ++ socket.emit("message-with-ack", "message-with-binary", enc.encode("message-with-nice"), (...data) => { ++ console.log(`Got: ${data}`); ++ }); ++ ++ socket.emit("message-with-ack", { ++ some_cool_message: "some cool message but fr this time", ++ binary_data: enc.encode("some ultra fancy binary data") ++ }, (...data) => { ++ console.log(`Got: ${data}`); ++ }); ++ ++ socket.emit("message-with-ack", 1, "2", { 3: ["4"], 5: [6] }, enc.encode("message-with-nice"), enc.encode("ok"), (...data) => { ++ console.log(`Got: ${JSON.stringify(data)}`); ++ }); ++ ++ socket.emit("message-with-ack", "nice", enc.encode("nice-2"), "nice-3", enc.encode("nice-4"), (...data) => { ++ console.log(`Got: ${JSON.stringify(data)}`); ++ }); ++}); +\ No newline at end of file +Index: examples/basic-crud-application/src/handlers/todo.rs +IDEA additional info: +Subsystem: com.intellij.openapi.diff.impl.patch.BaseRevisionTextPatchEP +<+>use std::{collections::HashMap, sync::RwLock};\n\nuse serde::{Deserialize, Serialize};\nuse socketioxide::extract::{AckSender, Data, SocketRef, State};\nuse tracing::info;\nuse uuid::Uuid;\n\nuse crate::handlers::events::Response;\n\nuse super::events::Error;\n\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct Todo {\n id: Uuid,\n #[serde(flatten)]\n inner: PartialTodo,\n}\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct PartialTodo {\n completed: bool,\n title: String,\n}\n\n#[derive(Default)]\npub struct Todos(RwLock>);\nimpl Todos {\n fn insert(&self, id: Uuid, todo: Todo) {\n self.0.write().unwrap().insert(id, todo);\n }\n fn get(&self, id: &Uuid) -> Option {\n self.0.read().unwrap().get(id).cloned()\n }\n fn get_mut(&self, id: &Uuid) -> Option {\n self.0.write().unwrap().get_mut(id).cloned()\n }\n fn remove(&self, id: &Uuid) -> Option {\n self.0.write().unwrap().remove(id)\n }\n fn get_all(&self) -> Vec {\n self.0.read().unwrap().values().cloned().collect()\n }\n}\n\npub fn create(s: SocketRef, Data(data): Data, ack: AckSender, todos: State) {\n let id = Uuid::new_v4();\n let todo = Todo { id, inner: data };\n\n todos.insert(id, todo.clone());\n\n let res: Response<_> = id.into();\n ack.send(res).ok();\n\n s.broadcast().emit(\"todo:created\", todo).ok();\n}\n\npub async fn read(Data(id): Data, ack: AckSender, todos: State) {\n let todo = todos.get(&id).ok_or(Error::NotFound);\n ack.send(todo).ok();\n}\n\npub async fn update(s: SocketRef, Data(data): Data, ack: AckSender, todos: State) {\n let res = todos\n .get_mut(&data.id)\n .ok_or(Error::NotFound)\n .map(|mut todo| {\n todo.inner = data.inner.clone();\n s.broadcast().emit(\"todo:updated\", data).ok();\n });\n\n ack.send(res).ok();\n}\n\npub async fn delete(s: SocketRef, Data(id): Data, ack: AckSender, todos: State) {\n let res = todos.remove(&id).ok_or(Error::NotFound).map(|_| {\n s.broadcast().emit(\"todo:deleted\", id).ok();\n });\n\n ack.send(res).ok();\n}\n\npub async fn list(ack: AckSender, todos: State) {\n let res: Response<_> = todos.get_all().into();\n info!(\"Sending todos: {:?}\", res);\n ack.send(res).ok();\n}\n +Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP +<+>UTF-8 +=================================================================== +diff --git a/examples/basic-crud-application/src/handlers/todo.rs b/examples/basic-crud-application/src/handlers/todo.rs +--- a/examples/basic-crud-application/src/handlers/todo.rs (revision b9e22e03ae80f41e2720111afaae748e8d38bbae) ++++ b/examples/basic-crud-application/src/handlers/todo.rs (date 1703260261637) +@@ -45,6 +45,8 @@ + let id = Uuid::new_v4(); + let todo = Todo { id, inner: data }; + ++ println!("Creating todo: {:?}", todo); ++ + todos.insert(id, todo.clone()); + + let res: Response<_> = id.into(); +Index: socketioxide/src/lib.rs +IDEA additional info: +Subsystem: com.intellij.openapi.diff.impl.patch.BaseRevisionTextPatchEP +<+>#![cfg_attr(docsrs, feature(doc_cfg))]\n#![warn(\n clippy::all,\n clippy::todo,\n clippy::empty_enum,\n clippy::mem_forget,\n clippy::unused_self,\n clippy::filter_map_next,\n clippy::needless_continue,\n clippy::needless_borrow,\n clippy::match_wildcard_for_single_variants,\n clippy::if_let_mutex,\n clippy::mismatched_target_os,\n clippy::await_holding_lock,\n clippy::match_on_vec_items,\n clippy::imprecise_flops,\n clippy::suboptimal_flops,\n clippy::lossy_float_literal,\n clippy::rest_pat_in_fully_bound_structs,\n clippy::fn_params_excessive_bools,\n clippy::exit,\n clippy::inefficient_to_string,\n clippy::linkedlist,\n clippy::macro_use_imports,\n clippy::option_option,\n clippy::verbose_file_reads,\n clippy::unnested_or_patterns,\n rust_2018_idioms,\n future_incompatible,\n nonstandard_style,\n missing_docs\n)]\n//! Socketioxide is a socket.io server implementation that works as a [`tower`] layer/service.\n//! It integrates nicely with the rest of the [`tower`]/[`tokio`]/[`hyper`](https://docs.rs/hyper/latest/hyper/) ecosystem.\n//!\n//! ## Table of contents\n//! * [Features](#features)\n//! * [Compatibility](#compatibility)\n//! * [Usage](#usage)\n//! * [Initialisation](#initialisation)\n//! * [Handlers](#handlers)\n//! * [Extractors](#extractors)\n//! * [Events](#events)\n//! * [Emiting data](#emiting-data)\n//! * [Acknowledgements](#acknowledgements)\n//! * [State management](#state-management)\n//! * [Adapters](#adapters)\n//! * [Feature flags](#feature-flags)\n//!\n//! ## Features\n//! * Easy to use flexible axum-like API\n//! * Fully compatible with the official [socket.io client](https://socket.io/docs/v4/client-api/)\n//! * Support for the previous version of the protocol (v4).\n//! * State Management\n//! * Namespaces\n//! * Rooms\n//! * Acknowledgements\n//! * Polling & Websocket transports\n//!\n//! ## Compatibility\n//! Because it works as a tower [`layer`](tower::layer)/[`service`](tower::Service) or an hyper [`service`](hyper::service::Service)\n//! you can use it with any http server frameworks that works with tower/hyper:\n//! * [Axum](https://docs.rs/axum/latest/axum/)\n//! * [Warp](https://docs.rs/warp/latest/warp/) (Not supported with socketioxide >= 0.9.0 as long as warp doesn't migrate to hyper v1)\n//! * [Hyper](https://docs.rs/hyper/latest/hyper/)\n//! * [Salvo](https://docs.rs/salvo/latest/salvo/)\n//!\n//! Check the [examples](http://github.com/totodore/socketioxide/tree/main/examples) for more details on frameworks integration.\n//!\n//! ## Usage\n//! The API tries to mimic the equivalent JS API as much as possible. The main difference is that the default namespace `/` is not created automatically, you need to create it manually.\n//!\n//! #### Basic example with axum:\n//! ```no_run\n//! use axum::routing::get;\n//! use socketioxide::{\n//! extract::SocketRef,\n//! SocketIo,\n//! };\n//! #[tokio::main]\n//! async fn main() -> Result<(), Box> {\n//! let (layer, io) = SocketIo::new_layer();\n//!\n//! // Register a handler for the default namespace\n//! io.ns(\"/\", |s: SocketRef| {\n//! // For each \"message\" event received, send a \"message-back\" event with the \"Hello World!\" event\n//! s.on(\"message\", |s: SocketRef| {\n//! s.emit(\"message-back\", \"Hello World!\").ok();\n//! });\n//! });\n//!\n//! let app = axum::Router::new()\n//! .route(\"/\", get(|| async { \"Hello, World!\" }))\n//! .layer(layer);\n//!\n//! let listener = tokio::net::TcpListener::bind(\"0.0.0.0:3000\").await.unwrap();\n//! axum::serve(listener, app).await.unwrap();\n//!\n//! Ok(())\n//! }\n//! ```\n//! ## Initialisation\n//! The [`SocketIo`] struct is the main entry point of the library. It is used to create a [`Layer`](tower::layer) or a [`Service`](tower::Service).\n//! Later it can be used as the equivalent of the `io` object in the JS API.\n//!\n//! When creating your [`SocketIo`] instance, you can use the builder pattern to configure it with the [`SocketIoBuilder`] struct.\n//! * See the [`SocketIoBuilder`] doc for more details on the available configuration options.\n//! * See the [`layer`] module doc for more details on layers.\n//! * See the [`service`] module doc for more details on services.\n//!\n//! #### Tower layer example with custom configuration:\n//! ```\n//! use socketioxide::SocketIo;\n//! let (layer, io) = SocketIo::builder()\n//! .max_payload(10_000_000) // Max HTTP payload size of 10M\n//! .max_buffer_size(10_000) // Max number of packets in the buffer\n//! .build_layer();\n//! ```\n//!\n//! #### Tower _standalone_ service example with default configuration:\n//! ```\n//! use socketioxide::SocketIo;\n//! let (svc, io) = SocketIo::new_svc();\n//! ```\n//!\n//! ## Handlers\n//! Handlers are functions or clonable closures that are given to the `io.ns`, the `socket.on` and the `socket.on_disconnect` fns.\n//! They can be async or sync and can take from 0 to 16 arguments that implements the [`FromConnectParts`](handler::FromConnectParts)\n//! trait for the [`ConnectHandler`](handler::ConnectHandler), the [`FromMessageParts`](handler::FromMessageParts) for\n//! the [`MessageHandler`](handler::MessageHandler) and the [`FromDisconnectParts`](handler::FromDisconnectParts) for\n//! the [`DisconnectHandler`](handler::DisconnectHandler).\n//! They are greatly inspired by the axum handlers.\n//!\n//! If they are async, a new task will be spawned for each incoming connection/message so it doesn't block the event management task.\n//!\n//! * Check the [`handler::connect`] module doc for more details on the connect handler\n//! * Check the [`handler::message`] module doc for more details on the message handler.\n//! * Check the [`handler::disconnect`] module doc for more details on the disconnect handler.\n//! * Check the [`handler::extract`] module doc for more details on the extractors.\n//!\n//! ## Extractors\n//! Handlers params are called extractors and are used to extract data from the incoming connection/message. They are inspired by the axum extractors.\n//! An extractor is a struct that implements the [`FromConnectParts`](handler::FromConnectParts) trait for the [`ConnectHandler`](handler::ConnectHandler)\n//! the [`FromMessageParts`](handler::FromMessageParts) for the [`MessageHandler`](handler::MessageHandler) and the\n//! [`FromDisconnectParts`](handler::FromDisconnectParts) for the [`DisconnectHandler`](handler::DisconnectHandler).\n//!\n//! Here are some examples of extractors:\n//! * [`Data`](extract::Data): extracts and deserialize to json any data, if a deserialize error occurs the handler won't be called\n//! - for [`ConnectHandler`](handler::ConnectHandler): extracts and deserialize to json the auth data\n//! - for [`MessageHandler`](handler::MessageHandler): extracts and deserialize to json the message data\n//! * [`TryData`](extract::Data): extracts and deserialize to json any data but with a `Result` type in case of error\n//! - for [`ConnectHandler`](handler::ConnectHandler): extracts and deserialize to json the auth data\n//! - for [`MessageHandler`](handler::MessageHandler): extracts and deserialize to json the message data\n//! * [`SocketRef`](extract::Data): extracts a reference to the [`Socket`](socket::Socket)\n//! * [`Bin`](extract::Data): extract a binary payload for a given message. Because it consumes the event it should be the last argument\n//! * [`AckSender`](extract::Data): Can be used to send an ack response to the current message event\n//! * [`ProtocolVersion`]: extracts the protocol version of the socket\n//! * [`TransportType`]: extracts the transport type of the socket\n//! * [`DisconnectReason`](crate::socket::DisconnectReason): extracts the reason of the disconnection\n//! * [`State`](extract::State): extracts a reference to a state previously set with [`SocketIoBuilder::with_state`](crate::io::SocketIoBuilder).\n//! ### Extractor order\n//! Extractors are run in the order of their declaration in the handler signature. If an extractor returns an error, the handler won't be called and a `tracing::error!` call will be emitted if the `tracing` feature is enabled.\n//!\n//! For the [`MessageHandler`](handler::MessageHandler), some extractors require to _consume_ the event and therefore only implement the [`FromMessage`](handler::FromMessage) trait, like the [`Bin`](extract::Bin) extractor, therefore they should be the last argument.\n//!\n//! Note that any extractors that implement the [`FromMessageParts`](handler::FromMessageParts) also implement by default the [`FromMessage`](handler::FromMessage) trait.\n//!\n//! ## Events\n//! There are three types of events:\n//! * The connect event is emitted when a new connection is established. It can be handled with the [`ConnectHandler`](handler::ConnectHandler) and the `io.ns` method.\n//! * The message event is emitted when a new message is received. It can be handled with the [`MessageHandler`](handler::MessageHandler) and the `socket.on` method.\n//! * The disconnect event is emitted when a socket is closed. It can be handled with the [`DisconnectHandler`](handler::DisconnectHandler) and the `socket.on_disconnect` method.\n//!\n//! Only one handler can exist for an event so registering a new handler for an event will replace the previous one.\n//!\n//! ## [Emiting data](#emiting-data)\n//! Data can be emitted to a socket with the [`Socket::emit`](socket::Socket) method. It takes an event name and a data argument.\n//! The data argument can be any type that implements the [`serde::Serialize`] trait.\n//!\n//! You can emit from the [`SocketIo`] handle or the [`SocketRef`](extract::SocketRef).\n//! The difference is that you can move the [`io`](SocketIo) handle everywhere because it is a cheaply cloneable struct.\n//! The [`SocketRef`](extract::SocketRef) is a reference to the socket and cannot be cloned.\n//!\n//! Moreover the [`io`](SocketIo) handle can emit to any namespace while the [`SocketRef`](extract::SocketRef) can only emit to the namespace of the socket.\n//!\n//! #### Emit errors\n//! If the data can't be serialized to json, an [`serde_json::Error`] will be returned.\n//! If the socket is disconnected or the internal channel is full, a tracing log will be emitted if the `tracing` feature is enabled and the message will be dropped.\n//! This solution is not ideal and will be improved in the future (see [socketioxide/172](https://github.com/Totodore/socketioxide/issues/172)).\n//!\n//! #### Emitting with operators\n//! To configure the emit, you can chain [`Operators`](operators::Operators) methods to the emit call. With that you can easily configure the following options:\n//! * rooms: emit, join, leave to specific rooms\n//! * namespace: emit to a specific namespace (only from the [`SocketIo`] handle)\n//! * timeout: set a custom timeout when waiting for an ack\n//! * binary: emit a binary payload with the message\n//! * local: broadcast only to the current node (in case of a cluster)\n//!\n//! Check the [`operators::Operators`] doc for more details on the operators.\n//!\n//! ## Acknowledgements\n//! You can ensure that a message has been received by the client/server with acknowledgements.\n//!\n//! #### Server acknowledgements\n//! They are implemented with the [`AckSender`](extract::AckSender) extractor.\n//! You can send an ack response with an optional binary payload with the [`AckSender::send`](extract::AckSender) method.\n//! If the client doesn't send an ack response, the [`AckSender::send`](extract::AckSender) method will do nothing.\n//!\n//! #### Client acknowledgements\n//! You can use the [`Socket::emit_with_ack`](socket::Socket) method to emit a message with an ack callback.\n//! It will return a [`Future`](futures::Future) that will resolve when the acknowledgement is received.\n//!\n//! ## [State management](#state-management)\n//! There are two ways to manage the state of the server:\n//!\n//! #### Per socket state\n//! You can enable the `extensions` feature and use the [`extensions`](socket::Socket::extensions) field on any socket to manage\n//! the state of each socket. It is backed by a [`dashmap`] so you can safely access it from multiple threads.\n//! Beware that deadlocks can easily occur if you hold a value ref and try to remove it at the same time.\n//! See the [`extensions`] module doc for more details.\n//!\n//! #### Global state\n//! You can enable the `state` feature and use [`SocketIoBuilder::with_state`](SocketIoBuilder) method to set\n//! multiple global states for the server. You can then access them from any handler with the [`State`](extract::State) extractor.\n//!\n//! Because the global state is staticaly defined, beware that the state map will exist for the whole lifetime of the program even\n//! if you drop everything and close you socket.io server. This is a limitation because of the impossibility to have extractors with lifetimes,\n//! therefore state references must be `'static`.\n//!\n//! Another limitation is that because it is common to the whole server. If you build a second server, it will share the same state.\n//! Also if the first server is already started you won't be able to add new states because states are frozen at the start of the first server.\n//!\n//! ## Adapters\n//! This library is designed to work with clustering. It uses the [`Adapter`](adapter::Adapter) trait to abstract the underlying storage.\n//! By default it uses the [`LocalAdapter`](adapter::LocalAdapter) which is a simple in-memory adapter.\n//! Currently there is no other adapters available but more will be added in the future.\n//!\n//! ## [Feature flags](#feature-flags)\n//! * `v4`: enable support for the socket.io protocol v4\n//! * `tracing`: enable logging with [`tracing`] calls\n//! * `extensions`: enable per-socket state with the [`extensions`] module\n//! * `state`: enable global state management\n//!\npub mod adapter;\n\n#[cfg_attr(docsrs, doc(cfg(feature = \"extensions\")))]\n#[cfg(feature = \"extensions\")]\npub mod extensions;\n#[cfg(feature = \"state\")]\nmod state;\n\npub mod handler;\npub mod layer;\npub mod operators;\npub mod service;\npub mod socket;\n\n#[cfg(feature = \"test-utils\")]\npub use packet::*;\n\npub use engineioxide::TransportType;\npub use errors::{AckError, BroadcastError, SendError};\npub use handler::extract;\npub use io::{SocketIo, SocketIoBuilder, SocketIoConfig};\n\nmod client;\nmod errors;\nmod io;\nmod ns;\nmod packet;\n\n/// Socket.IO protocol version.\n/// It is accessible with the [`Socket::protocol`](socket::Socket) method or as an extractor\n///\n/// **Note**: The socket.io protocol version does not correspond to the engine.io protocol version.\n#[derive(Debug, Copy, Clone, PartialEq)]\npub enum ProtocolVersion {\n /// The socket.io protocol version 4, only available with the feature flag `v4`\n V4 = 4,\n /// The socket.io protocol version 5, enabled by default\n V5 = 5,\n}\n\nimpl From for engineioxide::ProtocolVersion {\n fn from(value: ProtocolVersion) -> Self {\n match value {\n ProtocolVersion::V4 => Self::V3,\n ProtocolVersion::V5 => Self::V4,\n }\n }\n}\nimpl From for ProtocolVersion {\n fn from(value: engineioxide::ProtocolVersion) -> Self {\n match value {\n engineioxide::ProtocolVersion::V3 => Self::V4,\n engineioxide::ProtocolVersion::V4 => Self::V5,\n }\n }\n}\n +Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP +<+>UTF-8 +=================================================================== +diff --git a/socketioxide/src/lib.rs b/socketioxide/src/lib.rs +--- a/socketioxide/src/lib.rs (revision b9e22e03ae80f41e2720111afaae748e8d38bbae) ++++ b/socketioxide/src/lib.rs (date 1703514219416) +@@ -268,6 +268,7 @@ + mod io; + mod ns; + mod packet; ++mod operators_single; + + /// Socket.IO protocol version. + /// It is accessible with the [`Socket::protocol`](socket::Socket) method or as an extractor +Index: examples/basic-crud-application/src/main.rs +IDEA additional info: +Subsystem: com.intellij.openapi.diff.impl.patch.BaseRevisionTextPatchEP +<+>use socketioxide::{extract::SocketRef, SocketIo};\nuse tower::ServiceBuilder;\nuse tower_http::{cors::CorsLayer, services::ServeDir};\nuse tracing::info;\nuse tracing_subscriber::FmtSubscriber;\n\nuse crate::handlers::todo::Todos;\n\nmod handlers;\n\n#[tokio::main]\nasync fn main() -> Result<(), Box> {\n let subscriber = FmtSubscriber::new();\n\n tracing::subscriber::set_global_default(subscriber)?;\n\n info!(\"Starting server\");\n\n let (layer, io) = SocketIo::builder()\n .with_state(Todos::default())\n .build_layer();\n\n io.ns(\"/\", |s: SocketRef| {\n s.on(\"todo:create\", handlers::todo::create);\n s.on(\"todo:read\", handlers::todo::read);\n s.on(\"todo:update\", handlers::todo::update);\n s.on(\"todo:delete\", handlers::todo::delete);\n s.on(\"todo:list\", handlers::todo::list);\n });\n\n let app = axum::Router::new()\n .nest_service(\"/\", ServeDir::new(\"dist\"))\n .layer(\n ServiceBuilder::new()\n .layer(CorsLayer::permissive()) // Enable CORS policy\n .layer(layer),\n );\n\n let listener = tokio::net::TcpListener::bind(\"0.0.0.0:3000\").await.unwrap();\n axum::serve(listener, app).await.unwrap();\n\n Ok(())\n}\n +Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP +<+>UTF-8 +=================================================================== +diff --git a/examples/basic-crud-application/src/main.rs b/examples/basic-crud-application/src/main.rs +--- a/examples/basic-crud-application/src/main.rs (revision b9e22e03ae80f41e2720111afaae748e8d38bbae) ++++ b/examples/basic-crud-application/src/main.rs (date 1703260073635) +@@ -36,7 +36,7 @@ + .layer(layer), + ); + +- let listener = tokio::net::TcpListener::bind("0.0.0.0:3000").await.unwrap(); ++ let listener = tokio::net::TcpListener::bind("127.0.0.1:3000").await.unwrap(); + axum::serve(listener, app).await.unwrap(); + + Ok(()) diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 00000000..35eb1ddf --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/.idea/workspace.xml b/.idea/workspace.xml new file mode 100644 index 00000000..c0ba5417 --- /dev/null +++ b/.idea/workspace.xml @@ -0,0 +1,431 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { + "associatedIndex": 6 +} + + + + + + + { + "keyToString": { + "ASKED_ADD_EXTERNAL_FILES": "true", + "ASKED_SHARE_PROJECT_CONFIGURATION_FILES": "true", + "Cargo.Build `Run socketio-chat`.executor": "Run", + "Cargo.Build `Test socketioxide`.executor": "Run", + "Cargo.Run angular-todomvc.executor": "Run", + "Cargo.Run axum-echo.executor": "Run", + "Cargo.Run basic-crud-application.executor": "Run", + "Cargo.Run socketio-chat.executor": "Run", + "Cargo.Test packet::test::packet_decode_connect.executor": "Run", + "Cargo.Test socketioxide.executor": "Run", + "RunOnceActivity.OpenProjectViewOnStart": "true", + "RunOnceActivity.ShowReadmeOnStart": "true", + "ShowUsagesActions.previewPropertyKey": "true", + "git-widget-placeholder": "ft-custom-parser", + "last_opened_file_path": "/Users/fabian/Documents/Projects/Rust/socketioxide/socketioxide/src", + "node.js.detected.package.eslint": "true", + "node.js.detected.package.tslint": "true", + "node.js.selected.package.eslint": "(autodetect)", + "node.js.selected.package.tslint": "(autodetect)", + "nodejs_package_manager_path": "npm", + "org.rust.cargo.project.model.PROJECT_DISCOVERY": "true", + "ts.external.directory.path": "/Users/fabian/Applications/RustRover.app/Contents/plugins/javascript-impl/jsLanguageServicesImpl/external", + "vue.rearranger.settings.migration": "true" + } +} + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 1703247425228 + + + + + + + + + + + \ No newline at end of file diff --git a/examples/angular-todomvc/Cargo.toml b/examples/angular-todomvc/Cargo.toml index f33864f4..07269f49 100644 --- a/examples/angular-todomvc/Cargo.toml +++ b/examples/angular-todomvc/Cargo.toml @@ -5,7 +5,7 @@ edition.workspace = true [dependencies] -socketioxide = { path = "../../socketioxide", features = ["state"] } +socketioxide = { path = "../../socketioxide", features = ["state", "tracing"] } axum.workspace = true tokio = { workspace = true, features = ["rt-multi-thread", "macros"] } tower-http = { version = "0.5.0", features = ["cors", "fs"] } diff --git a/examples/axum-echo/Cargo.toml b/examples/axum-echo/Cargo.toml index 0a4b4f00..2cf53788 100644 --- a/examples/axum-echo/Cargo.toml +++ b/examples/axum-echo/Cargo.toml @@ -4,7 +4,7 @@ version.workspace = true edition.workspace = true [dependencies] -socketioxide = { path = "../../socketioxide" } +socketioxide = { path = "../../socketioxide" , features = ["tracing"] } axum.workspace = true tokio = { workspace = true, features = ["rt-multi-thread", "macros"] } tracing-subscriber.workspace = true diff --git a/examples/axum-echo/index.js b/examples/axum-echo/index.js new file mode 100644 index 00000000..78c83e4a --- /dev/null +++ b/examples/axum-echo/index.js @@ -0,0 +1,13 @@ +import io from "socket.io-client"; +import parser from "./parser.js"; + +const enc = new TextEncoder(); +const socket = io(`ws://127.0.0.1:3000/`, { + // parser: parser +}); + +socket.on("connect", () => { + socket.emit("message-with-ack", { data: "nice" }, enc.encode("Some nice broadcasting yk =)"), (...response) => { + console.log("\x1b[33msqw:broadcast response:", JSON.stringify(response), "\x1b[0m"); + }); +}) \ No newline at end of file diff --git a/examples/axum-echo/node_modules/.package-lock.json b/examples/axum-echo/node_modules/.package-lock.json new file mode 100644 index 00000000..d87f9ba0 --- /dev/null +++ b/examples/axum-echo/node_modules/.package-lock.json @@ -0,0 +1,108 @@ +{ + "name": "axum-echo", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "node_modules/@socket.io/component-emitter": { + "version": "3.1.0", + "resolved": "https://registry.npmjs.org/@socket.io/component-emitter/-/component-emitter-3.1.0.tgz", + "integrity": "sha512-+9jVqKhRSpsc591z5vX+X5Yyw+he/HCB4iQ/RYxw35CEPaY1gnsNE43nf9n9AaYjAQrTiI/mOwKUKdUs9vf7Xg==" + }, + "node_modules/debug": { + "version": "4.3.4", + "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz", + "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==", + "dependencies": { + "ms": "2.1.2" + }, + 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"8.11.0", + "resolved": "https://registry.npmjs.org/ws/-/ws-8.11.0.tgz", + "integrity": "sha512-HPG3wQd9sNQoT9xHyNCXoDUa+Xw/VevmY9FoHyQ+g+rrMn4j6FB4np7Z0OhdTgjx6MgQLK7jwSy1YecU1+4Asg==", + "engines": { + "node": ">=10.0.0" + }, + "peerDependencies": { + "bufferutil": "^4.0.1", + "utf-8-validate": "^5.0.2" + }, + "peerDependenciesMeta": { + "bufferutil": { + "optional": true + }, + "utf-8-validate": { + "optional": true + } + } + }, + "node_modules/xmlhttprequest-ssl": { + "version": "2.0.0", + "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-2.0.0.tgz", + "integrity": "sha512-QKxVRxiRACQcVuQEYFsI1hhkrMlrXHPegbbd1yn9UHOmRxY+si12nQYzri3vbzt8VdTTRviqcKxcyllFas5z2A==", + "engines": { + "node": ">=0.4.0" + } + } + } +} diff --git a/examples/axum-echo/node_modules/@socket.io/component-emitter/LICENSE b/examples/axum-echo/node_modules/@socket.io/component-emitter/LICENSE new file mode 100644 index 00000000..de516927 --- /dev/null +++ b/examples/axum-echo/node_modules/@socket.io/component-emitter/LICENSE @@ -0,0 +1,24 @@ +(The MIT License) + +Copyright (c) 2014 Component contributors + +Permission is hereby granted, free of charge, to any person +obtaining a copy of this software and associated documentation +files (the "Software"), to deal in the Software without +restriction, including without limitation the rights to use, +copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following +conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. diff --git a/examples/axum-echo/node_modules/@socket.io/component-emitter/Readme.md b/examples/axum-echo/node_modules/@socket.io/component-emitter/Readme.md new file mode 100644 index 00000000..0f3f9b9f --- /dev/null +++ b/examples/axum-echo/node_modules/@socket.io/component-emitter/Readme.md @@ -0,0 +1,74 @@ +# Emitter [![Build Status](https://travis-ci.org/component/emitter.png)](https://travis-ci.org/component/emitter) + + Event emitter component. + +## Installation + +``` +$ component install component/emitter +``` + +## API + +### Emitter(obj) + + The `Emitter` may also be used as a mixin. For example + a "plain" object may become an emitter, or you may + extend an existing prototype. + + As an `Emitter` instance: + +```js +var Emitter = require('emitter'); +var emitter = new Emitter; +emitter.emit('something'); +``` + + As a mixin: + +```js +var Emitter = require('emitter'); +var user = { name: 'tobi' }; +Emitter(user); + +user.emit('im a user'); +``` + + As a prototype mixin: + +```js +var Emitter = require('emitter'); +Emitter(User.prototype); +``` + +### Emitter#on(event, fn) + + Register an `event` handler `fn`. + +### Emitter#once(event, fn) + + Register a single-shot `event` handler `fn`, + removed immediately after it is invoked the + first time. + +### Emitter#off(event, fn) + + * Pass `event` and `fn` to remove a listener. + * Pass `event` to remove all listeners on that event. + * Pass nothing to remove all listeners on all events. + +### Emitter#emit(event, ...) + + Emit an `event` with variable option args. + +### Emitter#listeners(event) + + Return an array of callbacks, or an empty array. + +### Emitter#hasListeners(event) + + Check if this emitter has `event` handlers. + +## License + +MIT diff --git a/examples/axum-echo/node_modules/@socket.io/component-emitter/index.d.ts b/examples/axum-echo/node_modules/@socket.io/component-emitter/index.d.ts new file mode 100644 index 00000000..49a74e14 --- /dev/null +++ b/examples/axum-echo/node_modules/@socket.io/component-emitter/index.d.ts @@ -0,0 +1,179 @@ +/** + * An events map is an interface that maps event names to their value, which + * represents the type of the `on` listener. + */ +export interface EventsMap { + [event: string]: any; +} + +/** + * The default events map, used if no EventsMap is given. Using this EventsMap + * is equivalent to accepting all event names, and any data. + */ +export interface DefaultEventsMap { + [event: string]: (...args: any[]) => void; +} + +/** + * Returns a union type containing all the keys of an event map. + */ +export type EventNames = keyof Map & (string | symbol); + +/** The tuple type representing the parameters of an event listener */ +export type EventParams< + Map extends EventsMap, + Ev extends EventNames + > = Parameters; + +/** + * The event names that are either in ReservedEvents or in UserEvents + */ +export type ReservedOrUserEventNames< + ReservedEventsMap extends EventsMap, + UserEvents extends EventsMap + > = EventNames | EventNames; + +/** + * Type of a listener of a user event or a reserved event. If `Ev` is in + * `ReservedEvents`, the reserved event listener is returned. + */ +export type ReservedOrUserListener< + ReservedEvents extends EventsMap, + UserEvents extends EventsMap, + Ev extends ReservedOrUserEventNames + > = FallbackToUntypedListener< + Ev extends EventNames + ? ReservedEvents[Ev] + : Ev extends EventNames + ? UserEvents[Ev] + : never + >; + +/** + * Returns an untyped listener type if `T` is `never`; otherwise, returns `T`. + * + * This is a hack to mitigate https://github.com/socketio/socket.io/issues/3833. + * Needed because of https://github.com/microsoft/TypeScript/issues/41778 + */ +type FallbackToUntypedListener = [T] extends [never] + ? (...args: any[]) => void | Promise + : T; + +/** + * Strictly typed version of an `EventEmitter`. A `TypedEventEmitter` takes type + * parameters for mappings of event names to event data types, and strictly + * types method calls to the `EventEmitter` according to these event maps. + * + * @typeParam ListenEvents - `EventsMap` of user-defined events that can be + * listened to with `on` or `once` + * @typeParam EmitEvents - `EventsMap` of user-defined events that can be + * emitted with `emit` + * @typeParam ReservedEvents - `EventsMap` of reserved events, that can be + * emitted by socket.io with `emitReserved`, and can be listened to with + * `listen`. + */ +export class Emitter< + ListenEvents extends EventsMap, + EmitEvents extends EventsMap, + ReservedEvents extends EventsMap = {} + > { + /** + * Adds the `listener` function as an event listener for `ev`. + * + * @param ev Name of the event + * @param listener Callback function + */ + on>( + ev: Ev, + listener: ReservedOrUserListener + ): this; + + /** + * Adds a one-time `listener` function as an event listener for `ev`. + * + * @param ev Name of the event + * @param listener Callback function + */ + once>( + ev: Ev, + listener: ReservedOrUserListener + ): this; + + /** + * Removes the `listener` function as an event listener for `ev`. + * + * @param ev Name of the event + * @param listener Callback function + */ + off>( + ev?: Ev, + listener?: ReservedOrUserListener + ): this; + + /** + * Emits an event. + * + * @param ev Name of the event + * @param args Values to send to listeners of this event + */ + emit>( + ev: Ev, + ...args: EventParams + ): this; + + /** + * Emits a reserved event. + * + * This method is `protected`, so that only a class extending + * `StrictEventEmitter` can emit its own reserved events. + * + * @param ev Reserved event name + * @param args Arguments to emit along with the event + */ + protected emitReserved>( + ev: Ev, + ...args: EventParams + ): this; + + /** + * Returns the listeners listening to an event. + * + * @param event Event name + * @returns Array of listeners subscribed to `event` + */ + listeners>( + event: Ev + ): ReservedOrUserListener[]; + + /** + * Returns true if there is a listener for this event. + * + * @param event Event name + * @returns boolean + */ + hasListeners< + Ev extends ReservedOrUserEventNames + >(event: Ev): boolean; + + /** + * Removes the `listener` function as an event listener for `ev`. + * + * @param ev Name of the event + * @param listener Callback function + */ + removeListener< + Ev extends ReservedOrUserEventNames + >( + ev?: Ev, + listener?: ReservedOrUserListener + ): this; + + /** + * Removes all `listener` function as an event listener for `ev`. + * + * @param ev Name of the event + */ + removeAllListeners< + Ev extends ReservedOrUserEventNames + >(ev?: Ev): this; +} diff --git a/examples/axum-echo/node_modules/@socket.io/component-emitter/index.js b/examples/axum-echo/node_modules/@socket.io/component-emitter/index.js new file mode 100644 index 00000000..e0d54979 --- /dev/null +++ b/examples/axum-echo/node_modules/@socket.io/component-emitter/index.js @@ -0,0 +1,176 @@ + +/** + * Expose `Emitter`. + */ + +exports.Emitter = Emitter; + +/** + * Initialize a new `Emitter`. + * + * @api public + */ + +function Emitter(obj) { + if (obj) return mixin(obj); +} + +/** + * Mixin the emitter properties. + * + * @param {Object} obj + * @return {Object} + * @api private + */ + +function mixin(obj) { + for (var key in Emitter.prototype) { + obj[key] = Emitter.prototype[key]; + } + return obj; +} + +/** + * Listen on the given `event` with `fn`. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public + */ + +Emitter.prototype.on = +Emitter.prototype.addEventListener = function(event, fn){ + this._callbacks = this._callbacks || {}; + (this._callbacks['$' + event] = this._callbacks['$' + event] || []) + .push(fn); + return this; +}; + +/** + * Adds an `event` listener that will be invoked a single + * time then automatically removed. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public + */ + +Emitter.prototype.once = function(event, fn){ + function on() { + this.off(event, on); + fn.apply(this, arguments); + } + + on.fn = fn; + this.on(event, on); + return this; +}; + +/** + * Remove the given callback for `event` or all + * registered callbacks. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public + */ + +Emitter.prototype.off = +Emitter.prototype.removeListener = +Emitter.prototype.removeAllListeners = +Emitter.prototype.removeEventListener = function(event, fn){ + this._callbacks = this._callbacks || {}; + + // all + if (0 == arguments.length) { + this._callbacks = {}; + return this; + } + + // specific event + var callbacks = this._callbacks['$' + event]; + if (!callbacks) return this; + + // remove all handlers + if (1 == arguments.length) { + delete this._callbacks['$' + event]; + return this; + } + + // remove specific handler + var cb; + for (var i = 0; i < callbacks.length; i++) { + cb = callbacks[i]; + if (cb === fn || cb.fn === fn) { + callbacks.splice(i, 1); + break; + } + } + + // Remove event specific arrays for event types that no + // one is subscribed for to avoid memory leak. + if (callbacks.length === 0) { + delete this._callbacks['$' + event]; + } + + return this; +}; + +/** + * Emit `event` with the given args. + * + * @param {String} event + * @param {Mixed} ... + * @return {Emitter} + */ + +Emitter.prototype.emit = function(event){ + this._callbacks = this._callbacks || {}; + + var args = new Array(arguments.length - 1) + , callbacks = this._callbacks['$' + event]; + + for (var i = 1; i < arguments.length; i++) { + args[i - 1] = arguments[i]; + } + + if (callbacks) { + callbacks = callbacks.slice(0); + for (var i = 0, len = callbacks.length; i < len; ++i) { + callbacks[i].apply(this, args); + } + } + + return this; +}; + +// alias used for reserved events (protected method) +Emitter.prototype.emitReserved = Emitter.prototype.emit; + +/** + * Return array of callbacks for `event`. + * + * @param {String} event + * @return {Array} + * @api public + */ + +Emitter.prototype.listeners = function(event){ + this._callbacks = this._callbacks || {}; + return this._callbacks['$' + event] || []; +}; + +/** + * Check if this emitter has `event` handlers. + * + * @param {String} event + * @return {Boolean} + * @api public + */ + +Emitter.prototype.hasListeners = function(event){ + return !! this.listeners(event).length; +}; diff --git a/examples/axum-echo/node_modules/@socket.io/component-emitter/index.mjs b/examples/axum-echo/node_modules/@socket.io/component-emitter/index.mjs new file mode 100644 index 00000000..b2e5c3f0 --- /dev/null +++ b/examples/axum-echo/node_modules/@socket.io/component-emitter/index.mjs @@ -0,0 +1,169 @@ +/** + * Initialize a new `Emitter`. + * + * @api public + */ + +export function Emitter(obj) { + if (obj) return mixin(obj); +} + +/** + * Mixin the emitter properties. + * + * @param {Object} obj + * @return {Object} + * @api private + */ + +function mixin(obj) { + for (var key in Emitter.prototype) { + obj[key] = Emitter.prototype[key]; + } + return obj; +} + +/** + * Listen on the given `event` with `fn`. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public + */ + +Emitter.prototype.on = +Emitter.prototype.addEventListener = function(event, fn){ + this._callbacks = this._callbacks || {}; + (this._callbacks['$' + event] = this._callbacks['$' + event] || []) + .push(fn); + return this; +}; + +/** + * Adds an `event` listener that will be invoked a single + * time then automatically removed. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public + */ + +Emitter.prototype.once = function(event, fn){ + function on() { + this.off(event, on); + fn.apply(this, arguments); + } + + on.fn = fn; + this.on(event, on); + return this; +}; + +/** + * Remove the given callback for `event` or all + * registered callbacks. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public + */ + +Emitter.prototype.off = +Emitter.prototype.removeListener = +Emitter.prototype.removeAllListeners = +Emitter.prototype.removeEventListener = function(event, fn){ + this._callbacks = this._callbacks || {}; + + // all + if (0 == arguments.length) { + this._callbacks = {}; + return this; + } + + // specific event + var callbacks = this._callbacks['$' + event]; + if (!callbacks) return this; + + // remove all handlers + if (1 == arguments.length) { + delete this._callbacks['$' + event]; + return this; + } + + // remove specific handler + var cb; + for (var i = 0; i < callbacks.length; i++) { + cb = callbacks[i]; + if (cb === fn || cb.fn === fn) { + callbacks.splice(i, 1); + break; + } + } + + // Remove event specific arrays for event types that no + // one is subscribed for to avoid memory leak. + if (callbacks.length === 0) { + delete this._callbacks['$' + event]; + } + + return this; +}; + +/** + * Emit `event` with the given args. + * + * @param {String} event + * @param {Mixed} ... + * @return {Emitter} + */ + +Emitter.prototype.emit = function(event){ + this._callbacks = this._callbacks || {}; + + var args = new Array(arguments.length - 1) + , callbacks = this._callbacks['$' + event]; + + for (var i = 1; i < arguments.length; i++) { + args[i - 1] = arguments[i]; + } + + if (callbacks) { + callbacks = callbacks.slice(0); + for (var i = 0, len = callbacks.length; i < len; ++i) { + callbacks[i].apply(this, args); + } + } + + return this; +}; + +// alias used for reserved events (protected method) +Emitter.prototype.emitReserved = Emitter.prototype.emit; + +/** + * Return array of callbacks for `event`. + * + * @param {String} event + * @return {Array} + * @api public + */ + +Emitter.prototype.listeners = function(event){ + this._callbacks = this._callbacks || {}; + return this._callbacks['$' + event] || []; +}; + +/** + * Check if this emitter has `event` handlers. + * + * @param {String} event + * @return {Boolean} + * @api public + */ + +Emitter.prototype.hasListeners = function(event){ + return !! this.listeners(event).length; +}; diff --git a/examples/axum-echo/node_modules/@socket.io/component-emitter/package.json b/examples/axum-echo/node_modules/@socket.io/component-emitter/package.json new file mode 100644 index 00000000..c73c23da --- /dev/null +++ b/examples/axum-echo/node_modules/@socket.io/component-emitter/package.json @@ -0,0 +1,31 @@ +{ + "name": "@socket.io/component-emitter", + "description": "Event emitter", + "version": "3.1.0", + "license": "MIT", + "devDependencies": { + "mocha": "*", + "should": "*" + }, + "component": { + "scripts": { + "emitter/index.js": "index.js" + } + }, + "main": "index.js", + "module": "index.mjs", + "types": "index.d.ts", + "repository": { + "type": "git", + "url": "https://github.com/socketio/emitter.git" + }, + "scripts": { + "test": "make test" + }, + "files": [ + "index.js", + "index.mjs", + "index.d.ts", + "LICENSE" + ] +} diff --git a/examples/axum-echo/node_modules/debug/LICENSE b/examples/axum-echo/node_modules/debug/LICENSE new file mode 100644 index 00000000..1a9820e2 --- /dev/null +++ b/examples/axum-echo/node_modules/debug/LICENSE @@ -0,0 +1,20 @@ +(The MIT License) + +Copyright (c) 2014-2017 TJ Holowaychuk +Copyright (c) 2018-2021 Josh Junon + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software +and associated documentation files (the 'Software'), to deal in the Software without restriction, +including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, +and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, +subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial +portions of the Software. + +THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT +LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + diff --git a/examples/axum-echo/node_modules/debug/README.md b/examples/axum-echo/node_modules/debug/README.md new file mode 100644 index 00000000..e9c3e047 --- /dev/null +++ b/examples/axum-echo/node_modules/debug/README.md @@ -0,0 +1,481 @@ +# debug +[![Build Status](https://travis-ci.org/debug-js/debug.svg?branch=master)](https://travis-ci.org/debug-js/debug) [![Coverage Status](https://coveralls.io/repos/github/debug-js/debug/badge.svg?branch=master)](https://coveralls.io/github/debug-js/debug?branch=master) [![Slack](https://visionmedia-community-slackin.now.sh/badge.svg)](https://visionmedia-community-slackin.now.sh/) [![OpenCollective](https://opencollective.com/debug/backers/badge.svg)](#backers) +[![OpenCollective](https://opencollective.com/debug/sponsors/badge.svg)](#sponsors) + + + +A tiny JavaScript debugging utility modelled after Node.js core's debugging +technique. Works in Node.js and web browsers. + +## Installation + +```bash +$ npm install debug +``` + +## Usage + +`debug` exposes a function; simply pass this function the name of your module, and it will return a decorated version of `console.error` for you to pass debug statements to. This will allow you to toggle the debug output for different parts of your module as well as the module as a whole. + +Example [_app.js_](./examples/node/app.js): + +```js +var debug = require('debug')('http') + , http = require('http') + , name = 'My App'; + +// fake app + +debug('booting %o', name); + +http.createServer(function(req, res){ + debug(req.method + ' ' + req.url); + res.end('hello\n'); +}).listen(3000, function(){ + debug('listening'); +}); + +// fake worker of some kind + +require('./worker'); +``` + +Example [_worker.js_](./examples/node/worker.js): + +```js +var a = require('debug')('worker:a') + , b = require('debug')('worker:b'); + +function work() { + a('doing lots of uninteresting work'); + setTimeout(work, Math.random() * 1000); +} + +work(); + +function workb() { + b('doing some work'); + setTimeout(workb, Math.random() * 2000); +} + +workb(); +``` + +The `DEBUG` environment variable is then used to enable these based on space or +comma-delimited names. + +Here are some examples: + +screen shot 2017-08-08 at 12 53 04 pm +screen shot 2017-08-08 at 12 53 38 pm +screen shot 2017-08-08 at 12 53 25 pm + +#### Windows command prompt notes + +##### CMD + +On Windows the environment variable is set using the `set` command. + +```cmd +set DEBUG=*,-not_this +``` + +Example: + +```cmd +set DEBUG=* & node app.js +``` + +##### PowerShell (VS Code default) + +PowerShell uses different syntax to set environment variables. + +```cmd +$env:DEBUG = "*,-not_this" +``` + +Example: + +```cmd +$env:DEBUG='app';node app.js +``` + +Then, run the program to be debugged as usual. + +npm script example: +```js + "windowsDebug": "@powershell -Command $env:DEBUG='*';node app.js", +``` + +## Namespace Colors + +Every debug instance has a color generated for it based on its namespace name. +This helps when visually parsing the debug output to identify which debug instance +a debug line belongs to. + +#### Node.js + +In Node.js, colors are enabled when stderr is a TTY. You also _should_ install +the [`supports-color`](https://npmjs.org/supports-color) module alongside debug, +otherwise debug will only use a small handful of basic colors. + + + +#### Web Browser + +Colors are also enabled on "Web Inspectors" that understand the `%c` formatting +option. These are WebKit web inspectors, Firefox ([since version +31](https://hacks.mozilla.org/2014/05/editable-box-model-multiple-selection-sublime-text-keys-much-more-firefox-developer-tools-episode-31/)) +and the Firebug plugin for Firefox (any version). + + + + +## Millisecond diff + +When actively developing an application it can be useful to see when the time spent between one `debug()` call and the next. Suppose for example you invoke `debug()` before requesting a resource, and after as well, the "+NNNms" will show you how much time was spent between calls. + + + +When stdout is not a TTY, `Date#toISOString()` is used, making it more useful for logging the debug information as shown below: + + + + +## Conventions + +If you're using this in one or more of your libraries, you _should_ use the name of your library so that developers may toggle debugging as desired without guessing names. If you have more than one debuggers you _should_ prefix them with your library name and use ":" to separate features. For example "bodyParser" from Connect would then be "connect:bodyParser". If you append a "*" to the end of your name, it will always be enabled regardless of the setting of the DEBUG environment variable. You can then use it for normal output as well as debug output. + +## Wildcards + +The `*` character may be used as a wildcard. Suppose for example your library has +debuggers named "connect:bodyParser", "connect:compress", "connect:session", +instead of listing all three with +`DEBUG=connect:bodyParser,connect:compress,connect:session`, you may simply do +`DEBUG=connect:*`, or to run everything using this module simply use `DEBUG=*`. + +You can also exclude specific debuggers by prefixing them with a "-" character. +For example, `DEBUG=*,-connect:*` would include all debuggers except those +starting with "connect:". + +## Environment Variables + +When running through Node.js, you can set a few environment variables that will +change the behavior of the debug logging: + +| Name | Purpose | +|-----------|-------------------------------------------------| +| `DEBUG` | Enables/disables specific debugging namespaces. | +| `DEBUG_HIDE_DATE` | Hide date from debug output (non-TTY). | +| `DEBUG_COLORS`| Whether or not to use colors in the debug output. | +| `DEBUG_DEPTH` | Object inspection depth. | +| `DEBUG_SHOW_HIDDEN` | Shows hidden properties on inspected objects. | + + +__Note:__ The environment variables beginning with `DEBUG_` end up being +converted into an Options object that gets used with `%o`/`%O` formatters. +See the Node.js documentation for +[`util.inspect()`](https://nodejs.org/api/util.html#util_util_inspect_object_options) +for the complete list. + +## Formatters + +Debug uses [printf-style](https://wikipedia.org/wiki/Printf_format_string) formatting. +Below are the officially supported formatters: + +| Formatter | Representation | +|-----------|----------------| +| `%O` | Pretty-print an Object on multiple lines. | +| `%o` | Pretty-print an Object all on a single line. | +| `%s` | String. | +| `%d` | Number (both integer and float). | +| `%j` | JSON. Replaced with the string '[Circular]' if the argument contains circular references. | +| `%%` | Single percent sign ('%'). This does not consume an argument. | + + +### Custom formatters + +You can add custom formatters by extending the `debug.formatters` object. +For example, if you wanted to add support for rendering a Buffer as hex with +`%h`, you could do something like: + +```js +const createDebug = require('debug') +createDebug.formatters.h = (v) => { + return v.toString('hex') +} + +// …elsewhere +const debug = createDebug('foo') +debug('this is hex: %h', new Buffer('hello world')) +// foo this is hex: 68656c6c6f20776f726c6421 +0ms +``` + + +## Browser Support + +You can build a browser-ready script using [browserify](https://github.com/substack/node-browserify), +or just use the [browserify-as-a-service](https://wzrd.in/) [build](https://wzrd.in/standalone/debug@latest), +if you don't want to build it yourself. + +Debug's enable state is currently persisted by `localStorage`. +Consider the situation shown below where you have `worker:a` and `worker:b`, +and wish to debug both. You can enable this using `localStorage.debug`: + +```js +localStorage.debug = 'worker:*' +``` + +And then refresh the page. + +```js +a = debug('worker:a'); +b = debug('worker:b'); + +setInterval(function(){ + a('doing some work'); +}, 1000); + +setInterval(function(){ + b('doing some work'); +}, 1200); +``` + +In Chromium-based web browsers (e.g. Brave, Chrome, and Electron), the JavaScript console will—by default—only show messages logged by `debug` if the "Verbose" log level is _enabled_. + + + +## Output streams + + By default `debug` will log to stderr, however this can be configured per-namespace by overriding the `log` method: + +Example [_stdout.js_](./examples/node/stdout.js): + +```js +var debug = require('debug'); +var error = debug('app:error'); + +// by default stderr is used +error('goes to stderr!'); + +var log = debug('app:log'); +// set this namespace to log via console.log +log.log = console.log.bind(console); // don't forget to bind to console! +log('goes to stdout'); +error('still goes to stderr!'); + +// set all output to go via console.info +// overrides all per-namespace log settings +debug.log = console.info.bind(console); +error('now goes to stdout via console.info'); +log('still goes to stdout, but via console.info now'); +``` + +## Extend +You can simply extend debugger +```js +const log = require('debug')('auth'); + +//creates new debug instance with extended namespace +const logSign = log.extend('sign'); +const logLogin = log.extend('login'); + +log('hello'); // auth hello +logSign('hello'); //auth:sign hello +logLogin('hello'); //auth:login hello +``` + +## Set dynamically + +You can also enable debug dynamically by calling the `enable()` method : + +```js +let debug = require('debug'); + +console.log(1, debug.enabled('test')); + +debug.enable('test'); +console.log(2, debug.enabled('test')); + +debug.disable(); +console.log(3, debug.enabled('test')); + +``` + +print : +``` +1 false +2 true +3 false +``` + +Usage : +`enable(namespaces)` +`namespaces` can include modes separated by a colon and wildcards. + +Note that calling `enable()` completely overrides previously set DEBUG variable : + +``` +$ DEBUG=foo node -e 'var dbg = require("debug"); dbg.enable("bar"); console.log(dbg.enabled("foo"))' +=> false +``` + +`disable()` + +Will disable all namespaces. The functions returns the namespaces currently +enabled (and skipped). This can be useful if you want to disable debugging +temporarily without knowing what was enabled to begin with. + +For example: + +```js +let debug = require('debug'); +debug.enable('foo:*,-foo:bar'); +let namespaces = debug.disable(); +debug.enable(namespaces); +``` + +Note: There is no guarantee that the string will be identical to the initial +enable string, but semantically they will be identical. + +## Checking whether a debug target is enabled + +After you've created a debug instance, you can determine whether or not it is +enabled by checking the `enabled` property: + +```javascript +const debug = require('debug')('http'); + +if (debug.enabled) { + // do stuff... +} +``` + +You can also manually toggle this property to force the debug instance to be +enabled or disabled. + +## Usage in child processes + +Due to the way `debug` detects if the output is a TTY or not, colors are not shown in child processes when `stderr` is piped. A solution is to pass the `DEBUG_COLORS=1` environment variable to the child process. +For example: + +```javascript +worker = fork(WORKER_WRAP_PATH, [workerPath], { + stdio: [ + /* stdin: */ 0, + /* stdout: */ 'pipe', + /* stderr: */ 'pipe', + 'ipc', + ], + env: Object.assign({}, process.env, { + DEBUG_COLORS: 1 // without this settings, colors won't be shown + }), +}); + +worker.stderr.pipe(process.stderr, { end: false }); +``` + + +## Authors + + - TJ Holowaychuk + - Nathan Rajlich + - Andrew Rhyne + - Josh Junon + +## Backers + +Support us with a monthly donation and help us continue our activities. [[Become a backer](https://opencollective.com/debug#backer)] + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +## Sponsors + +Become a sponsor and get your logo on our README on Github with a link to your site. [[Become a sponsor](https://opencollective.com/debug#sponsor)] + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +## License + +(The MIT License) + +Copyright (c) 2014-2017 TJ Holowaychuk <tj@vision-media.ca> +Copyright (c) 2018-2021 Josh Junon + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +'Software'), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/examples/axum-echo/node_modules/debug/package.json b/examples/axum-echo/node_modules/debug/package.json new file mode 100644 index 00000000..3bcdc242 --- /dev/null +++ b/examples/axum-echo/node_modules/debug/package.json @@ -0,0 +1,59 @@ +{ + "name": "debug", + "version": "4.3.4", + "repository": { + "type": "git", + "url": "git://github.com/debug-js/debug.git" + }, + "description": "Lightweight debugging utility for Node.js and the browser", + "keywords": [ + "debug", + "log", + "debugger" + ], + "files": [ + "src", + "LICENSE", + "README.md" + ], + "author": "Josh Junon ", + "contributors": [ + "TJ Holowaychuk ", + "Nathan Rajlich (http://n8.io)", + "Andrew Rhyne " + ], + "license": "MIT", + "scripts": { + "lint": "xo", + "test": "npm run test:node && npm run test:browser && npm run lint", + "test:node": "istanbul cover _mocha -- test.js", + "test:browser": "karma start --single-run", + "test:coverage": "cat ./coverage/lcov.info | coveralls" + }, + "dependencies": { + "ms": "2.1.2" + }, + "devDependencies": { + "brfs": "^2.0.1", + "browserify": "^16.2.3", + "coveralls": "^3.0.2", + "istanbul": "^0.4.5", + "karma": "^3.1.4", + "karma-browserify": "^6.0.0", + "karma-chrome-launcher": "^2.2.0", + "karma-mocha": "^1.3.0", + "mocha": "^5.2.0", + "mocha-lcov-reporter": "^1.2.0", + "xo": "^0.23.0" + }, + "peerDependenciesMeta": { + "supports-color": { + "optional": true + } + }, + "main": "./src/index.js", + "browser": "./src/browser.js", + "engines": { + "node": ">=6.0" + } +} diff --git a/examples/axum-echo/node_modules/debug/src/browser.js b/examples/axum-echo/node_modules/debug/src/browser.js new file mode 100644 index 00000000..cd0fc35d --- /dev/null +++ b/examples/axum-echo/node_modules/debug/src/browser.js @@ -0,0 +1,269 @@ +/* eslint-env browser */ + +/** + * This is the web browser implementation of `debug()`. + */ + +exports.formatArgs = formatArgs; +exports.save = save; +exports.load = load; +exports.useColors = useColors; +exports.storage = localstorage(); +exports.destroy = (() => { + let warned = false; + + return () => { + if (!warned) { + warned = true; + console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.'); + } + }; +})(); + +/** + * Colors. + */ + +exports.colors = [ + '#0000CC', + '#0000FF', + '#0033CC', + '#0033FF', + '#0066CC', + '#0066FF', + '#0099CC', + '#0099FF', + '#00CC00', + '#00CC33', + '#00CC66', + '#00CC99', + '#00CCCC', + '#00CCFF', + '#3300CC', + '#3300FF', + '#3333CC', + '#3333FF', + '#3366CC', + '#3366FF', + '#3399CC', + '#3399FF', + '#33CC00', + '#33CC33', + '#33CC66', + '#33CC99', + '#33CCCC', + '#33CCFF', + '#6600CC', + '#6600FF', + '#6633CC', + '#6633FF', + '#66CC00', + '#66CC33', + '#9900CC', + '#9900FF', + '#9933CC', + '#9933FF', + '#99CC00', + '#99CC33', + '#CC0000', + '#CC0033', + '#CC0066', + '#CC0099', + '#CC00CC', + '#CC00FF', + '#CC3300', + '#CC3333', + '#CC3366', + '#CC3399', + '#CC33CC', + '#CC33FF', + '#CC6600', + '#CC6633', + '#CC9900', + '#CC9933', + '#CCCC00', + '#CCCC33', + '#FF0000', + '#FF0033', + '#FF0066', + '#FF0099', + '#FF00CC', + '#FF00FF', + '#FF3300', + '#FF3333', + '#FF3366', + '#FF3399', + '#FF33CC', + '#FF33FF', + '#FF6600', + '#FF6633', + '#FF9900', + '#FF9933', + '#FFCC00', + '#FFCC33' +]; + +/** + * Currently only WebKit-based Web Inspectors, Firefox >= v31, + * and the Firebug extension (any Firefox version) are known + * to support "%c" CSS customizations. + * + * TODO: add a `localStorage` variable to explicitly enable/disable colors + */ + +// eslint-disable-next-line complexity +function useColors() { + // NB: In an Electron preload script, document will be defined but not fully + // initialized. Since we know we're in Chrome, we'll just detect this case + // explicitly + if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) { + return true; + } + + // Internet Explorer and Edge do not support colors. + if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) { + return false; + } + + // Is webkit? http://stackoverflow.com/a/16459606/376773 + // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632 + return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) || + // Is firebug? http://stackoverflow.com/a/398120/376773 + (typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) || + // Is firefox >= v31? + // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages + (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) || + // Double check webkit in userAgent just in case we are in a worker + (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/)); +} + +/** + * Colorize log arguments if enabled. + * + * @api public + */ + +function formatArgs(args) { + args[0] = (this.useColors ? '%c' : '') + + this.namespace + + (this.useColors ? ' %c' : ' ') + + args[0] + + (this.useColors ? '%c ' : ' ') + + '+' + module.exports.humanize(this.diff); + + if (!this.useColors) { + return; + } + + const c = 'color: ' + this.color; + args.splice(1, 0, c, 'color: inherit'); + + // The final "%c" is somewhat tricky, because there could be other + // arguments passed either before or after the %c, so we need to + // figure out the correct index to insert the CSS into + let index = 0; + let lastC = 0; + args[0].replace(/%[a-zA-Z%]/g, match => { + if (match === '%%') { + return; + } + index++; + if (match === '%c') { + // We only are interested in the *last* %c + // (the user may have provided their own) + lastC = index; + } + }); + + args.splice(lastC, 0, c); +} + +/** + * Invokes `console.debug()` when available. + * No-op when `console.debug` is not a "function". + * If `console.debug` is not available, falls back + * to `console.log`. + * + * @api public + */ +exports.log = console.debug || console.log || (() => {}); + +/** + * Save `namespaces`. + * + * @param {String} namespaces + * @api private + */ +function save(namespaces) { + try { + if (namespaces) { + exports.storage.setItem('debug', namespaces); + } else { + exports.storage.removeItem('debug'); + } + } catch (error) { + // Swallow + // XXX (@Qix-) should we be logging these? + } +} + +/** + * Load `namespaces`. + * + * @return {String} returns the previously persisted debug modes + * @api private + */ +function load() { + let r; + try { + r = exports.storage.getItem('debug'); + } catch (error) { + // Swallow + // XXX (@Qix-) should we be logging these? + } + + // If debug isn't set in LS, and we're in Electron, try to load $DEBUG + if (!r && typeof process !== 'undefined' && 'env' in process) { + r = process.env.DEBUG; + } + + return r; +} + +/** + * Localstorage attempts to return the localstorage. + * + * This is necessary because safari throws + * when a user disables cookies/localstorage + * and you attempt to access it. + * + * @return {LocalStorage} + * @api private + */ + +function localstorage() { + try { + // TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context + // The Browser also has localStorage in the global context. + return localStorage; + } catch (error) { + // Swallow + // XXX (@Qix-) should we be logging these? + } +} + +module.exports = require('./common')(exports); + +const {formatters} = module.exports; + +/** + * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default. + */ + +formatters.j = function (v) { + try { + return JSON.stringify(v); + } catch (error) { + return '[UnexpectedJSONParseError]: ' + error.message; + } +}; diff --git a/examples/axum-echo/node_modules/debug/src/common.js b/examples/axum-echo/node_modules/debug/src/common.js new file mode 100644 index 00000000..e3291b20 --- /dev/null +++ b/examples/axum-echo/node_modules/debug/src/common.js @@ -0,0 +1,274 @@ + +/** + * This is the common logic for both the Node.js and web browser + * implementations of `debug()`. + */ + +function setup(env) { + createDebug.debug = createDebug; + createDebug.default = createDebug; + createDebug.coerce = coerce; + createDebug.disable = disable; + createDebug.enable = enable; + createDebug.enabled = enabled; + createDebug.humanize = require('ms'); + createDebug.destroy = destroy; + + Object.keys(env).forEach(key => { + createDebug[key] = env[key]; + }); + + /** + * The currently active debug mode names, and names to skip. + */ + + createDebug.names = []; + createDebug.skips = []; + + /** + * Map of special "%n" handling functions, for the debug "format" argument. + * + * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N". + */ + createDebug.formatters = {}; + + /** + * Selects a color for a debug namespace + * @param {String} namespace The namespace string for the debug instance to be colored + * @return {Number|String} An ANSI color code for the given namespace + * @api private + */ + function selectColor(namespace) { + let hash = 0; + + for (let i = 0; i < namespace.length; i++) { + hash = ((hash << 5) - hash) + namespace.charCodeAt(i); + hash |= 0; // Convert to 32bit integer + } + + return createDebug.colors[Math.abs(hash) % createDebug.colors.length]; + } + createDebug.selectColor = selectColor; + + /** + * Create a debugger with the given `namespace`. + * + * @param {String} namespace + * @return {Function} + * @api public + */ + function createDebug(namespace) { + let prevTime; + let enableOverride = null; + let namespacesCache; + let enabledCache; + + function debug(...args) { + // Disabled? + if (!debug.enabled) { + return; + } + + const self = debug; + + // Set `diff` timestamp + const curr = Number(new Date()); + const ms = curr - (prevTime || curr); + self.diff = ms; + self.prev = prevTime; + self.curr = curr; + prevTime = curr; + + args[0] = createDebug.coerce(args[0]); + + if (typeof args[0] !== 'string') { + // Anything else let's inspect with %O + args.unshift('%O'); + } + + // Apply any `formatters` transformations + let index = 0; + args[0] = args[0].replace(/%([a-zA-Z%])/g, (match, format) => { + // If we encounter an escaped % then don't increase the array index + if (match === '%%') { + return '%'; + } + index++; + const formatter = createDebug.formatters[format]; + if (typeof formatter === 'function') { + const val = args[index]; + match = formatter.call(self, val); + + // Now we need to remove `args[index]` since it's inlined in the `format` + args.splice(index, 1); + index--; + } + return match; + }); + + // Apply env-specific formatting (colors, etc.) + createDebug.formatArgs.call(self, args); + + const logFn = self.log || createDebug.log; + logFn.apply(self, args); + } + + debug.namespace = namespace; + debug.useColors = createDebug.useColors(); + debug.color = createDebug.selectColor(namespace); + debug.extend = extend; + debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release. + + Object.defineProperty(debug, 'enabled', { + enumerable: true, + configurable: false, + get: () => { + if (enableOverride !== null) { + return enableOverride; + } + if (namespacesCache !== createDebug.namespaces) { + namespacesCache = createDebug.namespaces; + enabledCache = createDebug.enabled(namespace); + } + + return enabledCache; + }, + set: v => { + enableOverride = v; + } + }); + + // Env-specific initialization logic for debug instances + if (typeof createDebug.init === 'function') { + createDebug.init(debug); + } + + return debug; + } + + function extend(namespace, delimiter) { + const newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace); + newDebug.log = this.log; + return newDebug; + } + + /** + * Enables a debug mode by namespaces. This can include modes + * separated by a colon and wildcards. + * + * @param {String} namespaces + * @api public + */ + function enable(namespaces) { + createDebug.save(namespaces); + createDebug.namespaces = namespaces; + + createDebug.names = []; + createDebug.skips = []; + + let i; + const split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/); + const len = split.length; + + for (i = 0; i < len; i++) { + if (!split[i]) { + // ignore empty strings + continue; + } + + namespaces = split[i].replace(/\*/g, '.*?'); + + if (namespaces[0] === '-') { + createDebug.skips.push(new RegExp('^' + namespaces.slice(1) + '$')); + } else { + createDebug.names.push(new RegExp('^' + namespaces + '$')); + } + } + } + + /** + * Disable debug output. + * + * @return {String} namespaces + * @api public + */ + function disable() { + const namespaces = [ + ...createDebug.names.map(toNamespace), + ...createDebug.skips.map(toNamespace).map(namespace => '-' + namespace) + ].join(','); + createDebug.enable(''); + return namespaces; + } + + /** + * Returns true if the given mode name is enabled, false otherwise. + * + * @param {String} name + * @return {Boolean} + * @api public + */ + function enabled(name) { + if (name[name.length - 1] === '*') { + return true; + } + + let i; + let len; + + for (i = 0, len = createDebug.skips.length; i < len; i++) { + if (createDebug.skips[i].test(name)) { + return false; + } + } + + for (i = 0, len = createDebug.names.length; i < len; i++) { + if (createDebug.names[i].test(name)) { + return true; + } + } + + return false; + } + + /** + * Convert regexp to namespace + * + * @param {RegExp} regxep + * @return {String} namespace + * @api private + */ + function toNamespace(regexp) { + return regexp.toString() + .substring(2, regexp.toString().length - 2) + .replace(/\.\*\?$/, '*'); + } + + /** + * Coerce `val`. + * + * @param {Mixed} val + * @return {Mixed} + * @api private + */ + function coerce(val) { + if (val instanceof Error) { + return val.stack || val.message; + } + return val; + } + + /** + * XXX DO NOT USE. This is a temporary stub function. + * XXX It WILL be removed in the next major release. + */ + function destroy() { + console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.'); + } + + createDebug.enable(createDebug.load()); + + return createDebug; +} + +module.exports = setup; diff --git a/examples/axum-echo/node_modules/debug/src/index.js b/examples/axum-echo/node_modules/debug/src/index.js new file mode 100644 index 00000000..bf4c57f2 --- /dev/null +++ b/examples/axum-echo/node_modules/debug/src/index.js @@ -0,0 +1,10 @@ +/** + * Detect Electron renderer / nwjs process, which is node, but we should + * treat as a browser. + */ + +if (typeof process === 'undefined' || process.type === 'renderer' || process.browser === true || process.__nwjs) { + module.exports = require('./browser.js'); +} else { + module.exports = require('./node.js'); +} diff --git a/examples/axum-echo/node_modules/debug/src/node.js b/examples/axum-echo/node_modules/debug/src/node.js new file mode 100644 index 00000000..79bc085c --- /dev/null +++ b/examples/axum-echo/node_modules/debug/src/node.js @@ -0,0 +1,263 @@ +/** + * Module dependencies. + */ + +const tty = require('tty'); +const util = require('util'); + +/** + * This is the Node.js implementation of `debug()`. + */ + +exports.init = init; +exports.log = log; +exports.formatArgs = formatArgs; +exports.save = save; +exports.load = load; +exports.useColors = useColors; +exports.destroy = util.deprecate( + () => {}, + 'Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.' +); + +/** + * Colors. + */ + +exports.colors = [6, 2, 3, 4, 5, 1]; + +try { + // Optional dependency (as in, doesn't need to be installed, NOT like optionalDependencies in package.json) + // eslint-disable-next-line import/no-extraneous-dependencies + const supportsColor = require('supports-color'); + + if (supportsColor && (supportsColor.stderr || supportsColor).level >= 2) { + exports.colors = [ + 20, + 21, + 26, + 27, + 32, + 33, + 38, + 39, + 40, + 41, + 42, + 43, + 44, + 45, + 56, + 57, + 62, + 63, + 68, + 69, + 74, + 75, + 76, + 77, + 78, + 79, + 80, + 81, + 92, + 93, + 98, + 99, + 112, + 113, + 128, + 129, + 134, + 135, + 148, + 149, + 160, + 161, + 162, + 163, + 164, + 165, + 166, + 167, + 168, + 169, + 170, + 171, + 172, + 173, + 178, + 179, + 184, + 185, + 196, + 197, + 198, + 199, + 200, + 201, + 202, + 203, + 204, + 205, + 206, + 207, + 208, + 209, + 214, + 215, + 220, + 221 + ]; + } +} catch (error) { + // Swallow - we only care if `supports-color` is available; it doesn't have to be. +} + +/** + * Build up the default `inspectOpts` object from the environment variables. + * + * $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js + */ + +exports.inspectOpts = Object.keys(process.env).filter(key => { + return /^debug_/i.test(key); +}).reduce((obj, key) => { + // Camel-case + const prop = key + .substring(6) + .toLowerCase() + .replace(/_([a-z])/g, (_, k) => { + return k.toUpperCase(); + }); + + // Coerce string value into JS value + let val = process.env[key]; + if (/^(yes|on|true|enabled)$/i.test(val)) { + val = true; + } else if (/^(no|off|false|disabled)$/i.test(val)) { + val = false; + } else if (val === 'null') { + val = null; + } else { + val = Number(val); + } + + obj[prop] = val; + return obj; +}, {}); + +/** + * Is stdout a TTY? Colored output is enabled when `true`. + */ + +function useColors() { + return 'colors' in exports.inspectOpts ? + Boolean(exports.inspectOpts.colors) : + tty.isatty(process.stderr.fd); +} + +/** + * Adds ANSI color escape codes if enabled. + * + * @api public + */ + +function formatArgs(args) { + const {namespace: name, useColors} = this; + + if (useColors) { + const c = this.color; + const colorCode = '\u001B[3' + (c < 8 ? c : '8;5;' + c); + const prefix = ` ${colorCode};1m${name} \u001B[0m`; + + args[0] = prefix + args[0].split('\n').join('\n' + prefix); + args.push(colorCode + 'm+' + module.exports.humanize(this.diff) + '\u001B[0m'); + } else { + args[0] = getDate() + name + ' ' + args[0]; + } +} + +function getDate() { + if (exports.inspectOpts.hideDate) { + return ''; + } + return new Date().toISOString() + ' '; +} + +/** + * Invokes `util.format()` with the specified arguments and writes to stderr. + */ + +function log(...args) { + return process.stderr.write(util.format(...args) + '\n'); +} + +/** + * Save `namespaces`. + * + * @param {String} namespaces + * @api private + */ +function save(namespaces) { + if (namespaces) { + process.env.DEBUG = namespaces; + } else { + // If you set a process.env field to null or undefined, it gets cast to the + // string 'null' or 'undefined'. Just delete instead. + delete process.env.DEBUG; + } +} + +/** + * Load `namespaces`. + * + * @return {String} returns the previously persisted debug modes + * @api private + */ + +function load() { + return process.env.DEBUG; +} + +/** + * Init logic for `debug` instances. + * + * Create a new `inspectOpts` object in case `useColors` is set + * differently for a particular `debug` instance. + */ + +function init(debug) { + debug.inspectOpts = {}; + + const keys = Object.keys(exports.inspectOpts); + for (let i = 0; i < keys.length; i++) { + debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]]; + } +} + +module.exports = require('./common')(exports); + +const {formatters} = module.exports; + +/** + * Map %o to `util.inspect()`, all on a single line. + */ + +formatters.o = function (v) { + this.inspectOpts.colors = this.useColors; + return util.inspect(v, this.inspectOpts) + .split('\n') + .map(str => str.trim()) + .join(' '); +}; + +/** + * Map %O to `util.inspect()`, allowing multiple lines if needed. + */ + +formatters.O = function (v) { + this.inspectOpts.colors = this.useColors; + return util.inspect(v, this.inspectOpts); +}; diff --git a/examples/axum-echo/node_modules/engine.io-client/LICENSE b/examples/axum-echo/node_modules/engine.io-client/LICENSE new file mode 100644 index 00000000..b248ba1b --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/LICENSE @@ -0,0 +1,22 @@ +(The MIT License) + +Copyright (c) 2014-2015 Automattic + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +'Software'), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/examples/axum-echo/node_modules/engine.io-client/README.md b/examples/axum-echo/node_modules/engine.io-client/README.md new file mode 100644 index 00000000..1954bae8 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/README.md @@ -0,0 +1,333 @@ + +# Engine.IO client + +[![Build Status](https://github.com/socketio/engine.io-client/workflows/CI/badge.svg?branch=main)](https://github.com/socketio/engine.io-client/actions) +[![NPM version](https://badge.fury.io/js/engine.io-client.svg)](http://badge.fury.io/js/engine.io-client) + +This is the client for [Engine.IO](http://github.com/socketio/engine.io), +the implementation of transport-based cross-browser/cross-device +bi-directional communication layer for [Socket.IO](http://github.com/socketio/socket.io). + +## How to use + +### Standalone + +You can find an `engine.io.js` file in this repository, which is a +standalone build you can use as follows: + +```html + + +``` + +### With browserify + +Engine.IO is a commonjs module, which means you can include it by using +`require` on the browser and package using [browserify](http://browserify.org/): + +1. install the client package + + ```bash + $ npm install engine.io-client + ``` + +1. write your app code + + ```js + const { Socket } = require('engine.io-client'); + const socket = new Socket('ws://localhost'); + socket.on('open', () => { + socket.on('message', (data) => {}); + socket.on('close', () => {}); + }); + ``` + +1. build your app bundle + + ```bash + $ browserify app.js > bundle.js + ``` + +1. include on your page + + ```html + + ``` + +### Sending and receiving binary + +```html + + +``` + +### Node.JS + +Add `engine.io-client` to your `package.json` and then: + +```js +const { Socket } = require('engine.io-client'); +const socket = new Socket('ws://localhost'); +socket.on('open', () => { + socket.on('message', (data) => {}); + socket.on('close', () => {}); +}); +``` + +### Node.js with certificates +```js +const opts = { + key: fs.readFileSync('test/fixtures/client.key'), + cert: fs.readFileSync('test/fixtures/client.crt'), + ca: fs.readFileSync('test/fixtures/ca.crt') +}; + +const { Socket } = require('engine.io-client'); +const socket = new Socket('ws://localhost', opts); +socket.on('open', () => { + socket.on('message', (data) => {}); + socket.on('close', () => {}); +}); +``` + +### Node.js with extraHeaders +```js +const opts = { + extraHeaders: { + 'X-Custom-Header-For-My-Project': 'my-secret-access-token', + 'Cookie': 'user_session=NI2JlCKF90aE0sJZD9ZzujtdsUqNYSBYxzlTsvdSUe35ZzdtVRGqYFr0kdGxbfc5gUOkR9RGp20GVKza; path=/; expires=Tue, 07-Apr-2015 18:18:08 GMT; secure; HttpOnly' + } +}; + +const { Socket } = require('engine.io-client'); +const socket = new Socket('ws://localhost', opts); +socket.on('open', () => { + socket.on('message', (data) => {}); + socket.on('close', () => {}); +}); +``` + +In the browser, the [WebSocket](https://developer.mozilla.org/en-US/docs/Web/API/WebSocket) object does not support additional headers. +In case you want to add some headers as part of some authentication mechanism, you can use the `transportOptions` attribute. +Please note that in this case the headers won't be sent in the WebSocket upgrade request. + +```js +// WILL NOT WORK in the browser +const socket = new Socket('http://localhost', { + extraHeaders: { + 'X-Custom-Header-For-My-Project': 'will not be sent' + } +}); +// WILL NOT WORK +const socket = new Socket('http://localhost', { + transports: ['websocket'], // polling is disabled + transportOptions: { + polling: { + extraHeaders: { + 'X-Custom-Header-For-My-Project': 'will not be sent' + } + } + } +}); +// WILL WORK +const socket = new Socket('http://localhost', { + transports: ['polling', 'websocket'], + transportOptions: { + polling: { + extraHeaders: { + 'X-Custom-Header-For-My-Project': 'will be used' + } + } + } +}); +``` + +## Features + +- Lightweight +- Runs on browser and node.js seamlessly +- Transports are independent of `Engine` + - Easy to debug + - Easy to unit test +- Runs inside HTML5 WebWorker +- Can send and receive binary data + - Receives as ArrayBuffer or Blob when in browser, and Buffer or ArrayBuffer + in Node + - When XHR2 or WebSockets are used, binary is emitted directly. Otherwise + binary is encoded into base64 strings, and decoded when binary types are + supported. + - With browsers that don't support ArrayBuffer, an object { base64: true, + data: dataAsBase64String } is emitted on the `message` event. + +## API + +### Socket + +The client class. Mixes in [Emitter](http://github.com/component/emitter). +Exposed as `eio` in the browser standalone build. + +#### Properties + +- `protocol` _(Number)_: protocol revision number +- `binaryType` _(String)_ : can be set to 'arraybuffer' or 'blob' in browsers, + and `buffer` or `arraybuffer` in Node. Blob is only used in browser if it's + supported. + +#### Events + +- `open` + - Fired upon successful connection. +- `message` + - Fired when data is received from the server. + - **Arguments** + - `String` | `ArrayBuffer`: utf-8 encoded data or ArrayBuffer containing + binary data +- `close` + - Fired upon disconnection. In compliance with the WebSocket API spec, this event may be + fired even if the `open` event does not occur (i.e. due to connection error or `close()`). +- `error` + - Fired when an error occurs. +- `flush` + - Fired upon completing a buffer flush +- `drain` + - Fired after `drain` event of transport if writeBuffer is empty +- `upgradeError` + - Fired if an error occurs with a transport we're trying to upgrade to. +- `upgrade` + - Fired upon upgrade success, after the new transport is set +- `ping` + - Fired upon receiving a ping packet. +- `pong` + - Fired upon _flushing_ a pong packet (ie: actual packet write out) + +#### Methods + +- **constructor** + - Initializes the client + - **Parameters** + - `String` uri + - `Object`: optional, options object + - **Options** + - `agent` (`http.Agent`): `http.Agent` to use, defaults to `false` (NodeJS only) + - `upgrade` (`Boolean`): defaults to true, whether the client should try + to upgrade the transport from long-polling to something better. + - `forceBase64` (`Boolean`): forces base 64 encoding for polling transport even when XHR2 responseType is available and WebSocket even if the used standard supports binary. + - `withCredentials` (`Boolean`): defaults to `false`, whether to include credentials (cookies, authorization headers, TLS client certificates, etc.) with cross-origin XHR polling requests. + - `timestampRequests` (`Boolean`): whether to add the timestamp with each + transport request. Note: polling requests are always stamped unless this + option is explicitly set to `false` (`false`) + - `timestampParam` (`String`): timestamp parameter (`t`) + - `path` (`String`): path to connect to, default is `/engine.io` + - `transports` (`Array`): a list of transports to try (in order). + Defaults to `['polling', 'websocket', 'webtransport']`. `Engine` + always attempts to connect directly with the first one, provided the + feature detection test for it passes. + - `transportOptions` (`Object`): hash of options, indexed by transport name, overriding the common options for the given transport + - `rememberUpgrade` (`Boolean`): defaults to false. + If true and if the previous websocket connection to the server succeeded, + the connection attempt will bypass the normal upgrade process and will initially + try websocket. A connection attempt following a transport error will use the + normal upgrade process. It is recommended you turn this on only when using + SSL/TLS connections, or if you know that your network does not block websockets. + - `pfx` (`String`|`Buffer`): Certificate, Private key and CA certificates to use for SSL. Can be used in Node.js client environment to manually specify certificate information. + - `key` (`String`): Private key to use for SSL. Can be used in Node.js client environment to manually specify certificate information. + - `passphrase` (`String`): A string of passphrase for the private key or pfx. Can be used in Node.js client environment to manually specify certificate information. + - `cert` (`String`): Public x509 certificate to use. Can be used in Node.js client environment to manually specify certificate information. + - `ca` (`String`|`Array`): An authority certificate or array of authority certificates to check the remote host against.. Can be used in Node.js client environment to manually specify certificate information. + - `ciphers` (`String`): A string describing the ciphers to use or exclude. Consult the [cipher format list](http://www.openssl.org/docs/apps/ciphers.html#CIPHER_LIST_FORMAT) for details on the format. Can be used in Node.js client environment to manually specify certificate information. + - `rejectUnauthorized` (`Boolean`): If true, the server certificate is verified against the list of supplied CAs. An 'error' event is emitted if verification fails. Verification happens at the connection level, before the HTTP request is sent. Can be used in Node.js client environment to manually specify certificate information. + - `perMessageDeflate` (`Object|Boolean`): parameters of the WebSocket permessage-deflate extension + (see [ws module](https://github.com/einaros/ws) api docs). Set to `false` to disable. (`true`) + - `threshold` (`Number`): data is compressed only if the byte size is above this value. This option is ignored on the browser. (`1024`) + - `extraHeaders` (`Object`): Headers that will be passed for each request to the server (via xhr-polling and via websockets). These values then can be used during handshake or for special proxies. Can only be used in Node.js client environment. + - `onlyBinaryUpgrades` (`Boolean`): whether transport upgrades should be restricted to transports supporting binary data (`false`) + - `forceNode` (`Boolean`): Uses NodeJS implementation for websockets - even if there is a native Browser-Websocket available, which is preferred by default over the NodeJS implementation. (This is useful when using hybrid platforms like nw.js or electron) (`false`, NodeJS only) + - `localAddress` (`String`): the local IP address to connect to + - `autoUnref` (`Boolean`): whether the transport should be `unref`'d upon creation. This calls `unref` on the underlying timers and sockets so that the program is allowed to exit if they are the only timers/sockets in the event system (Node.js only) + - `useNativeTimers` (`Boolean`): Whether to always use the native timeouts. This allows the client to reconnect when the native timeout functions are overridden, such as when mock clocks are installed with [`@sinonjs/fake-timers`](https://github.com/sinonjs/fake-timers). + - **Polling-only options** + - `requestTimeout` (`Number`): Timeout for xhr-polling requests in milliseconds (`0`) + - **Websocket-only options** + - `protocols` (`Array`): a list of subprotocols (see [MDN reference](https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#Subprotocols)) + - `closeOnBeforeunload` (`Boolean`): whether to silently close the connection when the [`beforeunload`](https://developer.mozilla.org/en-US/docs/Web/API/Window/beforeunload_event) event is emitted in the browser (defaults to `false`) +- `send` + - Sends a message to the server + - **Parameters** + - `String` | `ArrayBuffer` | `ArrayBufferView` | `Blob`: data to send + - `Object`: optional, options object + - `Function`: optional, callback upon `drain` + - **Options** + - `compress` (`Boolean`): whether to compress sending data. This option is ignored and forced to be `true` on the browser. (`true`) +- `close` + - Disconnects the client. + +### Transport + +The transport class. Private. _Inherits from EventEmitter_. + +#### Events + +- `poll`: emitted by polling transports upon starting a new request +- `pollComplete`: emitted by polling transports upon completing a request +- `drain`: emitted by polling transports upon a buffer drain + +## Tests + +`engine.io-client` is used to test +[engine](http://github.com/socketio/engine.io). Running the `engine.io` +test suite ensures the client works and vice-versa. + +Browser tests are run using [zuul](https://github.com/defunctzombie/zuul). You can +run the tests locally using the following command. + +``` +./node_modules/.bin/zuul --local 8080 -- test/index.js +``` + +Additionally, `engine.io-client` has a standalone test suite you can run +with `make test` which will run node.js and browser tests. You must have zuul setup with +a saucelabs account. + +## Support + +The support channels for `engine.io-client` are the same as `socket.io`: + - irc.freenode.net **#socket.io** + - [Google Groups](http://groups.google.com/group/socket_io) + - [Website](http://socket.io) + +## Development + +To contribute patches, run tests or benchmarks, make sure to clone the +repository: + +```bash +git clone git://github.com/socketio/engine.io-client.git +``` + +Then: + +```bash +cd engine.io-client +npm install +``` + +See the `Tests` section above for how to run tests before submitting any patches. + +## License + +MIT - Copyright (c) 2014 Automattic, Inc. diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/browser-entrypoint.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/browser-entrypoint.d.ts new file mode 100644 index 00000000..66bff7b2 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/browser-entrypoint.d.ts @@ -0,0 +1,3 @@ +import { Socket } from "./socket.js"; +declare const _default: (uri: any, opts: any) => Socket; +export default _default; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/browser-entrypoint.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/browser-entrypoint.js new file mode 100644 index 00000000..9b84dee0 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/browser-entrypoint.js @@ -0,0 +1,4 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +const socket_js_1 = require("./socket.js"); +exports.default = (uri, opts) => new socket_js_1.Socket(uri, opts); diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/has-cors.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/has-cors.d.ts new file mode 100644 index 00000000..346b0a5c --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/has-cors.d.ts @@ -0,0 +1 @@ +export declare const hasCORS: boolean; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/has-cors.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/has-cors.js new file mode 100644 index 00000000..8221e27c --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/has-cors.js @@ -0,0 +1,14 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.hasCORS = void 0; +// imported from https://github.com/component/has-cors +let value = false; +try { + value = typeof XMLHttpRequest !== 'undefined' && + 'withCredentials' in new XMLHttpRequest(); +} +catch (err) { + // if XMLHttp support is disabled in IE then it will throw + // when trying to create +} +exports.hasCORS = value; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseqs.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseqs.d.ts new file mode 100644 index 00000000..528aab11 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseqs.d.ts @@ -0,0 +1,15 @@ +/** + * Compiles a querystring + * Returns string representation of the object + * + * @param {Object} + * @api private + */ +export declare function encode(obj: any): string; +/** + * Parses a simple querystring into an object + * + * @param {String} qs + * @api private + */ +export declare function decode(qs: any): {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseqs.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseqs.js new file mode 100644 index 00000000..c2359d5c --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseqs.js @@ -0,0 +1,39 @@ +"use strict"; +// imported from https://github.com/galkn/querystring +/** + * Compiles a querystring + * Returns string representation of the object + * + * @param {Object} + * @api private + */ +Object.defineProperty(exports, "__esModule", { value: true }); +exports.decode = exports.encode = void 0; +function encode(obj) { + let str = ''; + for (let i in obj) { + if (obj.hasOwnProperty(i)) { + if (str.length) + str += '&'; + str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]); + } + } + return str; +} +exports.encode = encode; +/** + * Parses a simple querystring into an object + * + * @param {String} qs + * @api private + */ +function decode(qs) { + let qry = {}; + let pairs = qs.split('&'); + for (let i = 0, l = pairs.length; i < l; i++) { + let pair = pairs[i].split('='); + qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]); + } + return qry; +} +exports.decode = decode; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseuri.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseuri.d.ts new file mode 100644 index 00000000..9a7a14ae --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseuri.d.ts @@ -0,0 +1 @@ +export declare function parse(str: string): any; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseuri.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseuri.js new file mode 100644 index 00000000..100c7f1a --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseuri.js @@ -0,0 +1,68 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.parse = void 0; +// imported from https://github.com/galkn/parseuri +/** + * Parses a URI + * + * Note: we could also have used the built-in URL object, but it isn't supported on all platforms. + * + * See: + * - https://developer.mozilla.org/en-US/docs/Web/API/URL + * - https://caniuse.com/url + * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B + * + * History of the parse() method: + * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c + * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3 + * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242 + * + * @author Steven Levithan (MIT license) + * @api private + */ +const re = /^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/; +const parts = [ + 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor' +]; +function parse(str) { + if (str.length > 2000) { + throw "URI too long"; + } + const src = str, b = str.indexOf('['), e = str.indexOf(']'); + if (b != -1 && e != -1) { + str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length); + } + let m = re.exec(str || ''), uri = {}, i = 14; + while (i--) { + uri[parts[i]] = m[i] || ''; + } + if (b != -1 && e != -1) { + uri.source = src; + uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':'); + uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':'); + uri.ipv6uri = true; + } + uri.pathNames = pathNames(uri, uri['path']); + uri.queryKey = queryKey(uri, uri['query']); + return uri; +} +exports.parse = parse; +function pathNames(obj, path) { + const regx = /\/{2,9}/g, names = path.replace(regx, "/").split("/"); + if (path.slice(0, 1) == '/' || path.length === 0) { + names.splice(0, 1); + } + if (path.slice(-1) == '/') { + names.splice(names.length - 1, 1); + } + return names; +} +function queryKey(uri, query) { + const data = {}; + query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) { + if ($1) { + data[$1] = $2; + } + }); + return data; +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/yeast.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/yeast.d.ts new file mode 100644 index 00000000..29b5b45e --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/yeast.d.ts @@ -0,0 +1,23 @@ +/** + * Return a string representing the specified number. + * + * @param {Number} num The number to convert. + * @returns {String} The string representation of the number. + * @api public + */ +export declare function encode(num: any): string; +/** + * Return the integer value specified by the given string. + * + * @param {String} str The string to convert. + * @returns {Number} The integer value represented by the string. + * @api public + */ +export declare function decode(str: any): number; +/** + * Yeast: A tiny growing id generator. + * + * @returns {String} A unique id. + * @api public + */ +export declare function yeast(): string; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/yeast.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/yeast.js new file mode 100644 index 00000000..93577055 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/yeast.js @@ -0,0 +1,55 @@ +// imported from https://github.com/unshiftio/yeast +'use strict'; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.yeast = exports.decode = exports.encode = void 0; +const alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {}; +let seed = 0, i = 0, prev; +/** + * Return a string representing the specified number. + * + * @param {Number} num The number to convert. + * @returns {String} The string representation of the number. + * @api public + */ +function encode(num) { + let encoded = ''; + do { + encoded = alphabet[num % length] + encoded; + num = Math.floor(num / length); + } while (num > 0); + return encoded; +} +exports.encode = encode; +/** + * Return the integer value specified by the given string. + * + * @param {String} str The string to convert. + * @returns {Number} The integer value represented by the string. + * @api public + */ +function decode(str) { + let decoded = 0; + for (i = 0; i < str.length; i++) { + decoded = decoded * length + map[str.charAt(i)]; + } + return decoded; +} +exports.decode = decode; +/** + * Yeast: A tiny growing id generator. + * + * @returns {String} A unique id. + * @api public + */ +function yeast() { + const now = encode(+new Date()); + if (now !== prev) + return seed = 0, prev = now; + return now + '.' + encode(seed++); +} +exports.yeast = yeast; +// +// Map each character to its index. +// +for (; i < length; i++) + map[alphabet[i]] = i; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.browser.d.ts new file mode 100644 index 00000000..28d0a7c5 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.browser.d.ts @@ -0,0 +1 @@ +export declare const globalThisShim: any; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.browser.js new file mode 100644 index 00000000..4e548de0 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.browser.js @@ -0,0 +1,14 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.globalThisShim = void 0; +exports.globalThisShim = (() => { + if (typeof self !== "undefined") { + return self; + } + else if (typeof window !== "undefined") { + return window; + } + else { + return Function("return this")(); + } +})(); diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.d.ts new file mode 100644 index 00000000..4b9b90ff --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.d.ts @@ -0,0 +1 @@ +export declare const globalThisShim: typeof globalThis; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.js new file mode 100644 index 00000000..23fd5164 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.js @@ -0,0 +1,4 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.globalThisShim = void 0; +exports.globalThisShim = global; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/index.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/index.d.ts new file mode 100644 index 00000000..9e2dbd3c --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/index.d.ts @@ -0,0 +1,9 @@ +import { Socket } from "./socket.js"; +export { Socket }; +export { SocketOptions } from "./socket.js"; +export declare const protocol: number; +export { Transport, TransportError } from "./transport.js"; +export { transports } from "./transports/index.js"; +export { installTimerFunctions } from "./util.js"; +export { parse } from "./contrib/parseuri.js"; +export { nextTick } from "./transports/websocket-constructor.js"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/index.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/index.js new file mode 100644 index 00000000..6d8446bc --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/index.js @@ -0,0 +1,17 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.nextTick = exports.parse = exports.installTimerFunctions = exports.transports = exports.TransportError = exports.Transport = exports.protocol = exports.Socket = void 0; +const socket_js_1 = require("./socket.js"); +Object.defineProperty(exports, "Socket", { enumerable: true, get: function () { return socket_js_1.Socket; } }); +exports.protocol = socket_js_1.Socket.protocol; +var transport_js_1 = require("./transport.js"); +Object.defineProperty(exports, "Transport", { enumerable: true, get: function () { return transport_js_1.Transport; } }); +Object.defineProperty(exports, "TransportError", { enumerable: true, get: function () { return transport_js_1.TransportError; } }); +var index_js_1 = require("./transports/index.js"); +Object.defineProperty(exports, "transports", { enumerable: true, get: function () { return index_js_1.transports; } }); +var util_js_1 = require("./util.js"); +Object.defineProperty(exports, "installTimerFunctions", { enumerable: true, get: function () { return util_js_1.installTimerFunctions; } }); +var parseuri_js_1 = require("./contrib/parseuri.js"); +Object.defineProperty(exports, "parse", { enumerable: true, get: function () { return parseuri_js_1.parse; } }); +var websocket_constructor_js_1 = require("./transports/websocket-constructor.js"); +Object.defineProperty(exports, "nextTick", { enumerable: true, get: function () { return websocket_constructor_js_1.nextTick; } }); diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/package.json b/examples/axum-echo/node_modules/engine.io-client/build/cjs/package.json new file mode 100644 index 00000000..9cf26e4d --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/package.json @@ -0,0 +1,10 @@ +{ + "name": "engine.io-client", + "type": "commonjs", + "browser": { + "ws": false, + "./transports/xmlhttprequest.js": "./transports/xmlhttprequest.browser.js", + "./transports/websocket-constructor.js": "./transports/websocket-constructor.browser.js", + "./globalThis.js": "./globalThis.browser.js" + } +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/socket.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/socket.d.ts new file mode 100644 index 00000000..027a0e37 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/socket.d.ts @@ -0,0 +1,362 @@ +import { Emitter } from "@socket.io/component-emitter"; +import type { Packet, BinaryType, RawData } from "engine.io-parser"; +import { CloseDetails, Transport } from "./transport.js"; +export interface SocketOptions { + /** + * The host that we're connecting to. Set from the URI passed when connecting + */ + host: string; + /** + * The hostname for our connection. Set from the URI passed when connecting + */ + hostname: string; + /** + * If this is a secure connection. Set from the URI passed when connecting + */ + secure: boolean; + /** + * The port for our connection. Set from the URI passed when connecting + */ + port: string | number; + /** + * Any query parameters in our uri. Set from the URI passed when connecting + */ + query: { + [key: string]: any; + }; + /** + * `http.Agent` to use, defaults to `false` (NodeJS only) + * + * Note: the type should be "undefined | http.Agent | https.Agent | false", but this would break browser-only clients. + * + * @see https://nodejs.org/api/http.html#httprequestoptions-callback + */ + agent: string | boolean; + /** + * Whether the client should try to upgrade the transport from + * long-polling to something better. + * @default true + */ + upgrade: boolean; + /** + * Forces base 64 encoding for polling transport even when XHR2 + * responseType is available and WebSocket even if the used standard + * supports binary. + */ + forceBase64: boolean; + /** + * The param name to use as our timestamp key + * @default 't' + */ + timestampParam: string; + /** + * Whether to add the timestamp with each transport request. Note: this + * is ignored if the browser is IE or Android, in which case requests + * are always stamped + * @default false + */ + timestampRequests: boolean; + /** + * A list of transports to try (in order). Engine.io always attempts to + * connect directly with the first one, provided the feature detection test + * for it passes. + * + * @default ['polling','websocket', 'webtransport'] + */ + transports: string[]; + /** + * If true and if the previous websocket connection to the server succeeded, + * the connection attempt will bypass the normal upgrade process and will + * initially try websocket. A connection attempt following a transport error + * will use the normal upgrade process. It is recommended you turn this on + * only when using SSL/TLS connections, or if you know that your network does + * not block websockets. + * @default false + */ + rememberUpgrade: boolean; + /** + * Are we only interested in transports that support binary? + */ + onlyBinaryUpgrades: boolean; + /** + * Timeout for xhr-polling requests in milliseconds (0) (only for polling transport) + */ + requestTimeout: number; + /** + * Transport options for Node.js client (headers etc) + */ + transportOptions: Object; + /** + * (SSL) Certificate, Private key and CA certificates to use for SSL. + * Can be used in Node.js client environment to manually specify + * certificate information. + */ + pfx: string; + /** + * (SSL) Private key to use for SSL. Can be used in Node.js client + * environment to manually specify certificate information. + */ + key: string; + /** + * (SSL) A string or passphrase for the private key or pfx. Can be + * used in Node.js client environment to manually specify certificate + * information. + */ + passphrase: string; + /** + * (SSL) Public x509 certificate to use. Can be used in Node.js client + * environment to manually specify certificate information. + */ + cert: string; + /** + * (SSL) An authority certificate or array of authority certificates to + * check the remote host against.. Can be used in Node.js client + * environment to manually specify certificate information. + */ + ca: string | string[]; + /** + * (SSL) A string describing the ciphers to use or exclude. Consult the + * [cipher format list] + * (http://www.openssl.org/docs/apps/ciphers.html#CIPHER_LIST_FORMAT) for + * details on the format.. Can be used in Node.js client environment to + * manually specify certificate information. + */ + ciphers: string; + /** + * (SSL) If true, the server certificate is verified against the list of + * supplied CAs. An 'error' event is emitted if verification fails. + * Verification happens at the connection level, before the HTTP request + * is sent. Can be used in Node.js client environment to manually specify + * certificate information. + */ + rejectUnauthorized: boolean; + /** + * Headers that will be passed for each request to the server (via xhr-polling and via websockets). + * These values then can be used during handshake or for special proxies. + */ + extraHeaders?: { + [header: string]: string; + }; + /** + * Whether to include credentials (cookies, authorization headers, TLS + * client certificates, etc.) with cross-origin XHR polling requests + * @default false + */ + withCredentials: boolean; + /** + * Whether to automatically close the connection whenever the beforeunload event is received. + * @default false + */ + closeOnBeforeunload: boolean; + /** + * Whether to always use the native timeouts. This allows the client to + * reconnect when the native timeout functions are overridden, such as when + * mock clocks are installed. + * @default false + */ + useNativeTimers: boolean; + /** + * weather we should unref the reconnect timer when it is + * create automatically + * @default false + */ + autoUnref: boolean; + /** + * parameters of the WebSocket permessage-deflate extension (see ws module api docs). Set to false to disable. + * @default false + */ + perMessageDeflate: { + threshold: number; + }; + /** + * The path to get our client file from, in the case of the server + * serving it + * @default '/engine.io' + */ + path: string; + /** + * Whether we should add a trailing slash to the request path. + * @default true + */ + addTrailingSlash: boolean; + /** + * Either a single protocol string or an array of protocol strings. These strings are used to indicate sub-protocols, + * so that a single server can implement multiple WebSocket sub-protocols (for example, you might want one server to + * be able to handle different types of interactions depending on the specified protocol) + * @default [] + */ + protocols: string | string[]; +} +interface HandshakeData { + sid: string; + upgrades: string[]; + pingInterval: number; + pingTimeout: number; + maxPayload: number; +} +interface SocketReservedEvents { + open: () => void; + handshake: (data: HandshakeData) => void; + packet: (packet: Packet) => void; + packetCreate: (packet: Packet) => void; + data: (data: any) => void; + message: (data: any) => void; + drain: () => void; + flush: () => void; + heartbeat: () => void; + ping: () => void; + pong: () => void; + error: (err: string | Error) => void; + upgrading: (transport: any) => void; + upgrade: (transport: any) => void; + upgradeError: (err: Error) => void; + close: (reason: string, description?: CloseDetails | Error) => void; +} +type SocketState = "opening" | "open" | "closing" | "closed"; +export declare class Socket extends Emitter, Record, SocketReservedEvents> { + id: string; + transport: Transport; + binaryType: BinaryType; + readyState: SocketState; + writeBuffer: Packet[]; + private prevBufferLen; + private upgrades; + private pingInterval; + private pingTimeout; + private pingTimeoutTimer; + private setTimeoutFn; + private clearTimeoutFn; + private readonly beforeunloadEventListener; + private readonly offlineEventListener; + private upgrading; + private maxPayload?; + private readonly opts; + private readonly secure; + private readonly hostname; + private readonly port; + private readonly transports; + static priorWebsocketSuccess: boolean; + static protocol: number; + /** + * Socket constructor. + * + * @param {String|Object} uri - uri or options + * @param {Object} opts - options + */ + constructor(uri: any, opts?: Partial); + /** + * Creates transport of the given type. + * + * @param {String} name - transport name + * @return {Transport} + * @private + */ + private createTransport; + /** + * Initializes transport to use and starts probe. + * + * @private + */ + private open; + /** + * Sets the current transport. Disables the existing one (if any). + * + * @private + */ + private setTransport; + /** + * Probes a transport. + * + * @param {String} name - transport name + * @private + */ + private probe; + /** + * Called when connection is deemed open. + * + * @private + */ + private onOpen; + /** + * Handles a packet. + * + * @private + */ + private onPacket; + /** + * Called upon handshake completion. + * + * @param {Object} data - handshake obj + * @private + */ + private onHandshake; + /** + * Sets and resets ping timeout timer based on server pings. + * + * @private + */ + private resetPingTimeout; + /** + * Called on `drain` event + * + * @private + */ + private onDrain; + /** + * Flush write buffers. + * + * @private + */ + private flush; + /** + * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP + * long-polling) + * + * @private + */ + private getWritablePackets; + /** + * Sends a message. + * + * @param {String} msg - message. + * @param {Object} options. + * @param {Function} callback function. + * @return {Socket} for chaining. + */ + write(msg: RawData, options?: any, fn?: any): this; + send(msg: RawData, options?: any, fn?: any): this; + /** + * Sends a packet. + * + * @param {String} type: packet type. + * @param {String} data. + * @param {Object} options. + * @param {Function} fn - callback function. + * @private + */ + private sendPacket; + /** + * Closes the connection. + */ + close(): this; + /** + * Called upon transport error + * + * @private + */ + private onError; + /** + * Called upon transport close. + * + * @private + */ + private onClose; + /** + * Filters upgrades, returning only those matching client transports. + * + * @param {Array} upgrades - server upgrades + * @private + */ + private filterUpgrades; +} +export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/socket.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/socket.js new file mode 100644 index 00000000..7ef82f8d --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/socket.js @@ -0,0 +1,626 @@ +"use strict"; +var __importDefault = (this && this.__importDefault) || function (mod) { + return (mod && mod.__esModule) ? mod : { "default": mod }; +}; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.Socket = void 0; +const index_js_1 = require("./transports/index.js"); +const util_js_1 = require("./util.js"); +const parseqs_js_1 = require("./contrib/parseqs.js"); +const parseuri_js_1 = require("./contrib/parseuri.js"); +const debug_1 = __importDefault(require("debug")); // debug() +const component_emitter_1 = require("@socket.io/component-emitter"); +const engine_io_parser_1 = require("engine.io-parser"); +const websocket_constructor_js_1 = require("./transports/websocket-constructor.js"); +const debug = (0, debug_1.default)("engine.io-client:socket"); // debug() +class Socket extends component_emitter_1.Emitter { + /** + * Socket constructor. + * + * @param {String|Object} uri - uri or options + * @param {Object} opts - options + */ + constructor(uri, opts = {}) { + super(); + this.binaryType = websocket_constructor_js_1.defaultBinaryType; + this.writeBuffer = []; + if (uri && "object" === typeof uri) { + opts = uri; + uri = null; + } + if (uri) { + uri = (0, parseuri_js_1.parse)(uri); + opts.hostname = uri.host; + opts.secure = uri.protocol === "https" || uri.protocol === "wss"; + opts.port = uri.port; + if (uri.query) + opts.query = uri.query; + } + else if (opts.host) { + opts.hostname = (0, parseuri_js_1.parse)(opts.host).host; + } + (0, util_js_1.installTimerFunctions)(this, opts); + this.secure = + null != opts.secure + ? opts.secure + : typeof location !== "undefined" && "https:" === location.protocol; + if (opts.hostname && !opts.port) { + // if no port is specified manually, use the protocol default + opts.port = this.secure ? "443" : "80"; + } + this.hostname = + opts.hostname || + (typeof location !== "undefined" ? location.hostname : "localhost"); + this.port = + opts.port || + (typeof location !== "undefined" && location.port + ? location.port + : this.secure + ? "443" + : "80"); + this.transports = opts.transports || [ + "polling", + "websocket", + "webtransport", + ]; + this.writeBuffer = []; + this.prevBufferLen = 0; + this.opts = Object.assign({ + path: "/engine.io", + agent: false, + withCredentials: false, + upgrade: true, + timestampParam: "t", + rememberUpgrade: false, + addTrailingSlash: true, + rejectUnauthorized: true, + perMessageDeflate: { + threshold: 1024, + }, + transportOptions: {}, + closeOnBeforeunload: false, + }, opts); + this.opts.path = + this.opts.path.replace(/\/$/, "") + + (this.opts.addTrailingSlash ? "/" : ""); + if (typeof this.opts.query === "string") { + this.opts.query = (0, parseqs_js_1.decode)(this.opts.query); + } + // set on handshake + this.id = null; + this.upgrades = null; + this.pingInterval = null; + this.pingTimeout = null; + // set on heartbeat + this.pingTimeoutTimer = null; + if (typeof addEventListener === "function") { + if (this.opts.closeOnBeforeunload) { + // Firefox closes the connection when the "beforeunload" event is emitted but not Chrome. This event listener + // ensures every browser behaves the same (no "disconnect" event at the Socket.IO level when the page is + // closed/reloaded) + this.beforeunloadEventListener = () => { + if (this.transport) { + // silently close the transport + this.transport.removeAllListeners(); + this.transport.close(); + } + }; + addEventListener("beforeunload", this.beforeunloadEventListener, false); + } + if (this.hostname !== "localhost") { + this.offlineEventListener = () => { + this.onClose("transport close", { + description: "network connection lost", + }); + }; + addEventListener("offline", this.offlineEventListener, false); + } + } + this.open(); + } + /** + * Creates transport of the given type. + * + * @param {String} name - transport name + * @return {Transport} + * @private + */ + createTransport(name) { + debug('creating transport "%s"', name); + const query = Object.assign({}, this.opts.query); + // append engine.io protocol identifier + query.EIO = engine_io_parser_1.protocol; + // transport name + query.transport = name; + // session id if we already have one + if (this.id) + query.sid = this.id; + const opts = Object.assign({}, this.opts, { + query, + socket: this, + hostname: this.hostname, + secure: this.secure, + port: this.port, + }, this.opts.transportOptions[name]); + debug("options: %j", opts); + return new index_js_1.transports[name](opts); + } + /** + * Initializes transport to use and starts probe. + * + * @private + */ + open() { + let transport; + if (this.opts.rememberUpgrade && + Socket.priorWebsocketSuccess && + this.transports.indexOf("websocket") !== -1) { + transport = "websocket"; + } + else if (0 === this.transports.length) { + // Emit error on next tick so it can be listened to + this.setTimeoutFn(() => { + this.emitReserved("error", "No transports available"); + }, 0); + return; + } + else { + transport = this.transports[0]; + } + this.readyState = "opening"; + // Retry with the next transport if the transport is disabled (jsonp: false) + try { + transport = this.createTransport(transport); + } + catch (e) { + debug("error while creating transport: %s", e); + this.transports.shift(); + this.open(); + return; + } + transport.open(); + this.setTransport(transport); + } + /** + * Sets the current transport. Disables the existing one (if any). + * + * @private + */ + setTransport(transport) { + debug("setting transport %s", transport.name); + if (this.transport) { + debug("clearing existing transport %s", this.transport.name); + this.transport.removeAllListeners(); + } + // set up transport + this.transport = transport; + // set up transport listeners + transport + .on("drain", this.onDrain.bind(this)) + .on("packet", this.onPacket.bind(this)) + .on("error", this.onError.bind(this)) + .on("close", (reason) => this.onClose("transport close", reason)); + } + /** + * Probes a transport. + * + * @param {String} name - transport name + * @private + */ + probe(name) { + debug('probing transport "%s"', name); + let transport = this.createTransport(name); + let failed = false; + Socket.priorWebsocketSuccess = false; + const onTransportOpen = () => { + if (failed) + return; + debug('probe transport "%s" opened', name); + transport.send([{ type: "ping", data: "probe" }]); + transport.once("packet", (msg) => { + if (failed) + return; + if ("pong" === msg.type && "probe" === msg.data) { + debug('probe transport "%s" pong', name); + this.upgrading = true; + this.emitReserved("upgrading", transport); + if (!transport) + return; + Socket.priorWebsocketSuccess = "websocket" === transport.name; + debug('pausing current transport "%s"', this.transport.name); + this.transport.pause(() => { + if (failed) + return; + if ("closed" === this.readyState) + return; + debug("changing transport and sending upgrade packet"); + cleanup(); + this.setTransport(transport); + transport.send([{ type: "upgrade" }]); + this.emitReserved("upgrade", transport); + transport = null; + this.upgrading = false; + this.flush(); + }); + } + else { + debug('probe transport "%s" failed', name); + const err = new Error("probe error"); + // @ts-ignore + err.transport = transport.name; + this.emitReserved("upgradeError", err); + } + }); + }; + function freezeTransport() { + if (failed) + return; + // Any callback called by transport should be ignored since now + failed = true; + cleanup(); + transport.close(); + transport = null; + } + // Handle any error that happens while probing + const onerror = (err) => { + const error = new Error("probe error: " + err); + // @ts-ignore + error.transport = transport.name; + freezeTransport(); + debug('probe transport "%s" failed because of error: %s', name, err); + this.emitReserved("upgradeError", error); + }; + function onTransportClose() { + onerror("transport closed"); + } + // When the socket is closed while we're probing + function onclose() { + onerror("socket closed"); + } + // When the socket is upgraded while we're probing + function onupgrade(to) { + if (transport && to.name !== transport.name) { + debug('"%s" works - aborting "%s"', to.name, transport.name); + freezeTransport(); + } + } + // Remove all listeners on the transport and on self + const cleanup = () => { + transport.removeListener("open", onTransportOpen); + transport.removeListener("error", onerror); + transport.removeListener("close", onTransportClose); + this.off("close", onclose); + this.off("upgrading", onupgrade); + }; + transport.once("open", onTransportOpen); + transport.once("error", onerror); + transport.once("close", onTransportClose); + this.once("close", onclose); + this.once("upgrading", onupgrade); + if (this.upgrades.indexOf("webtransport") !== -1 && + name !== "webtransport") { + // favor WebTransport + this.setTimeoutFn(() => { + if (!failed) { + transport.open(); + } + }, 200); + } + else { + transport.open(); + } + } + /** + * Called when connection is deemed open. + * + * @private + */ + onOpen() { + debug("socket open"); + this.readyState = "open"; + Socket.priorWebsocketSuccess = "websocket" === this.transport.name; + this.emitReserved("open"); + this.flush(); + // we check for `readyState` in case an `open` + // listener already closed the socket + if ("open" === this.readyState && this.opts.upgrade) { + debug("starting upgrade probes"); + let i = 0; + const l = this.upgrades.length; + for (; i < l; i++) { + this.probe(this.upgrades[i]); + } + } + } + /** + * Handles a packet. + * + * @private + */ + onPacket(packet) { + if ("opening" === this.readyState || + "open" === this.readyState || + "closing" === this.readyState) { + debug('socket receive: type "%s", data "%s"', packet.type, packet.data); + this.emitReserved("packet", packet); + // Socket is live - any packet counts + this.emitReserved("heartbeat"); + this.resetPingTimeout(); + switch (packet.type) { + case "open": + this.onHandshake(JSON.parse(packet.data)); + break; + case "ping": + this.sendPacket("pong"); + this.emitReserved("ping"); + this.emitReserved("pong"); + break; + case "error": + const err = new Error("server error"); + // @ts-ignore + err.code = packet.data; + this.onError(err); + break; + case "message": + this.emitReserved("data", packet.data); + this.emitReserved("message", packet.data); + break; + } + } + else { + debug('packet received with socket readyState "%s"', this.readyState); + } + } + /** + * Called upon handshake completion. + * + * @param {Object} data - handshake obj + * @private + */ + onHandshake(data) { + this.emitReserved("handshake", data); + this.id = data.sid; + this.transport.query.sid = data.sid; + this.upgrades = this.filterUpgrades(data.upgrades); + this.pingInterval = data.pingInterval; + this.pingTimeout = data.pingTimeout; + this.maxPayload = data.maxPayload; + this.onOpen(); + // In case open handler closes socket + if ("closed" === this.readyState) + return; + this.resetPingTimeout(); + } + /** + * Sets and resets ping timeout timer based on server pings. + * + * @private + */ + resetPingTimeout() { + this.clearTimeoutFn(this.pingTimeoutTimer); + this.pingTimeoutTimer = this.setTimeoutFn(() => { + this.onClose("ping timeout"); + }, this.pingInterval + this.pingTimeout); + if (this.opts.autoUnref) { + this.pingTimeoutTimer.unref(); + } + } + /** + * Called on `drain` event + * + * @private + */ + onDrain() { + this.writeBuffer.splice(0, this.prevBufferLen); + // setting prevBufferLen = 0 is very important + // for example, when upgrading, upgrade packet is sent over, + // and a nonzero prevBufferLen could cause problems on `drain` + this.prevBufferLen = 0; + if (0 === this.writeBuffer.length) { + this.emitReserved("drain"); + } + else { + this.flush(); + } + } + /** + * Flush write buffers. + * + * @private + */ + flush() { + if ("closed" !== this.readyState && + this.transport.writable && + !this.upgrading && + this.writeBuffer.length) { + const packets = this.getWritablePackets(); + debug("flushing %d packets in socket", packets.length); + this.transport.send(packets); + // keep track of current length of writeBuffer + // splice writeBuffer and callbackBuffer on `drain` + this.prevBufferLen = packets.length; + this.emitReserved("flush"); + } + } + /** + * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP + * long-polling) + * + * @private + */ + getWritablePackets() { + const shouldCheckPayloadSize = this.maxPayload && + this.transport.name === "polling" && + this.writeBuffer.length > 1; + if (!shouldCheckPayloadSize) { + return this.writeBuffer; + } + let payloadSize = 1; // first packet type + for (let i = 0; i < this.writeBuffer.length; i++) { + const data = this.writeBuffer[i].data; + if (data) { + payloadSize += (0, util_js_1.byteLength)(data); + } + if (i > 0 && payloadSize > this.maxPayload) { + debug("only send %d out of %d packets", i, this.writeBuffer.length); + return this.writeBuffer.slice(0, i); + } + payloadSize += 2; // separator + packet type + } + debug("payload size is %d (max: %d)", payloadSize, this.maxPayload); + return this.writeBuffer; + } + /** + * Sends a message. + * + * @param {String} msg - message. + * @param {Object} options. + * @param {Function} callback function. + * @return {Socket} for chaining. + */ + write(msg, options, fn) { + this.sendPacket("message", msg, options, fn); + return this; + } + send(msg, options, fn) { + this.sendPacket("message", msg, options, fn); + return this; + } + /** + * Sends a packet. + * + * @param {String} type: packet type. + * @param {String} data. + * @param {Object} options. + * @param {Function} fn - callback function. + * @private + */ + sendPacket(type, data, options, fn) { + if ("function" === typeof data) { + fn = data; + data = undefined; + } + if ("function" === typeof options) { + fn = options; + options = null; + } + if ("closing" === this.readyState || "closed" === this.readyState) { + return; + } + options = options || {}; + options.compress = false !== options.compress; + const packet = { + type: type, + data: data, + options: options, + }; + this.emitReserved("packetCreate", packet); + this.writeBuffer.push(packet); + if (fn) + this.once("flush", fn); + this.flush(); + } + /** + * Closes the connection. + */ + close() { + const close = () => { + this.onClose("forced close"); + debug("socket closing - telling transport to close"); + this.transport.close(); + }; + const cleanupAndClose = () => { + this.off("upgrade", cleanupAndClose); + this.off("upgradeError", cleanupAndClose); + close(); + }; + const waitForUpgrade = () => { + // wait for upgrade to finish since we can't send packets while pausing a transport + this.once("upgrade", cleanupAndClose); + this.once("upgradeError", cleanupAndClose); + }; + if ("opening" === this.readyState || "open" === this.readyState) { + this.readyState = "closing"; + if (this.writeBuffer.length) { + this.once("drain", () => { + if (this.upgrading) { + waitForUpgrade(); + } + else { + close(); + } + }); + } + else if (this.upgrading) { + waitForUpgrade(); + } + else { + close(); + } + } + return this; + } + /** + * Called upon transport error + * + * @private + */ + onError(err) { + debug("socket error %j", err); + Socket.priorWebsocketSuccess = false; + this.emitReserved("error", err); + this.onClose("transport error", err); + } + /** + * Called upon transport close. + * + * @private + */ + onClose(reason, description) { + if ("opening" === this.readyState || + "open" === this.readyState || + "closing" === this.readyState) { + debug('socket close with reason: "%s"', reason); + // clear timers + this.clearTimeoutFn(this.pingTimeoutTimer); + // stop event from firing again for transport + this.transport.removeAllListeners("close"); + // ensure transport won't stay open + this.transport.close(); + // ignore further transport communication + this.transport.removeAllListeners(); + if (typeof removeEventListener === "function") { + removeEventListener("beforeunload", this.beforeunloadEventListener, false); + removeEventListener("offline", this.offlineEventListener, false); + } + // set ready state + this.readyState = "closed"; + // clear session id + this.id = null; + // emit close event + this.emitReserved("close", reason, description); + // clean buffers after, so users can still + // grab the buffers on `close` event + this.writeBuffer = []; + this.prevBufferLen = 0; + } + } + /** + * Filters upgrades, returning only those matching client transports. + * + * @param {Array} upgrades - server upgrades + * @private + */ + filterUpgrades(upgrades) { + const filteredUpgrades = []; + let i = 0; + const j = upgrades.length; + for (; i < j; i++) { + if (~this.transports.indexOf(upgrades[i])) + filteredUpgrades.push(upgrades[i]); + } + return filteredUpgrades; + } +} +exports.Socket = Socket; +Socket.protocol = engine_io_parser_1.protocol; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transport.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transport.d.ts new file mode 100644 index 00000000..6ef488b9 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transport.d.ts @@ -0,0 +1,106 @@ +import type { Packet, RawData } from "engine.io-parser"; +import { Emitter } from "@socket.io/component-emitter"; +import { SocketOptions } from "./socket.js"; +export declare class TransportError extends Error { + readonly description: any; + readonly context: any; + readonly type = "TransportError"; + constructor(reason: string, description: any, context: any); +} +export interface CloseDetails { + description: string; + context?: unknown; +} +interface TransportReservedEvents { + open: () => void; + error: (err: TransportError) => void; + packet: (packet: Packet) => void; + close: (details?: CloseDetails) => void; + poll: () => void; + pollComplete: () => void; + drain: () => void; +} +type TransportState = "opening" | "open" | "closed" | "pausing" | "paused"; +export declare abstract class Transport extends Emitter, Record, TransportReservedEvents> { + query: Record; + writable: boolean; + protected opts: SocketOptions; + protected supportsBinary: boolean; + protected readyState: TransportState; + protected socket: any; + protected setTimeoutFn: typeof setTimeout; + /** + * Transport abstract constructor. + * + * @param {Object} opts - options + * @protected + */ + constructor(opts: any); + /** + * Emits an error. + * + * @param {String} reason + * @param description + * @param context - the error context + * @return {Transport} for chaining + * @protected + */ + protected onError(reason: string, description: any, context?: any): this; + /** + * Opens the transport. + */ + open(): this; + /** + * Closes the transport. + */ + close(): this; + /** + * Sends multiple packets. + * + * @param {Array} packets + */ + send(packets: any): void; + /** + * Called upon open + * + * @protected + */ + protected onOpen(): void; + /** + * Called with data. + * + * @param {String} data + * @protected + */ + protected onData(data: RawData): void; + /** + * Called with a decoded packet. + * + * @protected + */ + protected onPacket(packet: Packet): void; + /** + * Called upon close. + * + * @protected + */ + protected onClose(details?: CloseDetails): void; + /** + * The name of the transport + */ + abstract get name(): string; + /** + * Pauses the transport, in order not to lose packets during an upgrade. + * + * @param onPause + */ + pause(onPause: () => void): void; + protected createUri(schema: string, query?: Record): string; + private _hostname; + private _port; + private _query; + protected abstract doOpen(): any; + protected abstract doClose(): any; + protected abstract write(packets: Packet[]): any; +} +export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transport.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transport.js new file mode 100644 index 00000000..e999479f --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transport.js @@ -0,0 +1,152 @@ +"use strict"; +var __importDefault = (this && this.__importDefault) || function (mod) { + return (mod && mod.__esModule) ? mod : { "default": mod }; +}; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.Transport = exports.TransportError = void 0; +const engine_io_parser_1 = require("engine.io-parser"); +const component_emitter_1 = require("@socket.io/component-emitter"); +const util_js_1 = require("./util.js"); +const debug_1 = __importDefault(require("debug")); // debug() +const parseqs_js_1 = require("./contrib/parseqs.js"); +const debug = (0, debug_1.default)("engine.io-client:transport"); // debug() +class TransportError extends Error { + constructor(reason, description, context) { + super(reason); + this.description = description; + this.context = context; + this.type = "TransportError"; + } +} +exports.TransportError = TransportError; +class Transport extends component_emitter_1.Emitter { + /** + * Transport abstract constructor. + * + * @param {Object} opts - options + * @protected + */ + constructor(opts) { + super(); + this.writable = false; + (0, util_js_1.installTimerFunctions)(this, opts); + this.opts = opts; + this.query = opts.query; + this.socket = opts.socket; + } + /** + * Emits an error. + * + * @param {String} reason + * @param description + * @param context - the error context + * @return {Transport} for chaining + * @protected + */ + onError(reason, description, context) { + super.emitReserved("error", new TransportError(reason, description, context)); + return this; + } + /** + * Opens the transport. + */ + open() { + this.readyState = "opening"; + this.doOpen(); + return this; + } + /** + * Closes the transport. + */ + close() { + if (this.readyState === "opening" || this.readyState === "open") { + this.doClose(); + this.onClose(); + } + return this; + } + /** + * Sends multiple packets. + * + * @param {Array} packets + */ + send(packets) { + if (this.readyState === "open") { + this.write(packets); + } + else { + // this might happen if the transport was silently closed in the beforeunload event handler + debug("transport is not open, discarding packets"); + } + } + /** + * Called upon open + * + * @protected + */ + onOpen() { + this.readyState = "open"; + this.writable = true; + super.emitReserved("open"); + } + /** + * Called with data. + * + * @param {String} data + * @protected + */ + onData(data) { + const packet = (0, engine_io_parser_1.decodePacket)(data, this.socket.binaryType); + this.onPacket(packet); + } + /** + * Called with a decoded packet. + * + * @protected + */ + onPacket(packet) { + super.emitReserved("packet", packet); + } + /** + * Called upon close. + * + * @protected + */ + onClose(details) { + this.readyState = "closed"; + super.emitReserved("close", details); + } + /** + * Pauses the transport, in order not to lose packets during an upgrade. + * + * @param onPause + */ + pause(onPause) { } + createUri(schema, query = {}) { + return (schema + + "://" + + this._hostname() + + this._port() + + this.opts.path + + this._query(query)); + } + _hostname() { + const hostname = this.opts.hostname; + return hostname.indexOf(":") === -1 ? hostname : "[" + hostname + "]"; + } + _port() { + if (this.opts.port && + ((this.opts.secure && Number(this.opts.port !== 443)) || + (!this.opts.secure && Number(this.opts.port) !== 80))) { + return ":" + this.opts.port; + } + else { + return ""; + } + } + _query(query) { + const encodedQuery = (0, parseqs_js_1.encode)(query); + return encodedQuery.length ? "?" + encodedQuery : ""; + } +} +exports.Transport = Transport; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/index.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/index.d.ts new file mode 100644 index 00000000..6617f8ce --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/index.d.ts @@ -0,0 +1,8 @@ +import { Polling } from "./polling.js"; +import { WS } from "./websocket.js"; +import { WT } from "./webtransport.js"; +export declare const transports: { + websocket: typeof WS; + webtransport: typeof WT; + polling: typeof Polling; +}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/index.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/index.js new file mode 100644 index 00000000..4c34a888 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/index.js @@ -0,0 +1,11 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.transports = void 0; +const polling_js_1 = require("./polling.js"); +const websocket_js_1 = require("./websocket.js"); +const webtransport_js_1 = require("./webtransport.js"); +exports.transports = { + websocket: websocket_js_1.WS, + webtransport: webtransport_js_1.WT, + polling: polling_js_1.Polling, +}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/polling.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/polling.d.ts new file mode 100644 index 00000000..176ce57a --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/polling.d.ts @@ -0,0 +1,137 @@ +import { Transport } from "../transport.js"; +import { RawData } from "engine.io-parser"; +import { Emitter } from "@socket.io/component-emitter"; +export declare class Polling extends Transport { + private readonly xd; + private polling; + private pollXhr; + private cookieJar?; + /** + * XHR Polling constructor. + * + * @param {Object} opts + * @package + */ + constructor(opts: any); + get name(): string; + /** + * Opens the socket (triggers polling). We write a PING message to determine + * when the transport is open. + * + * @protected + */ + doOpen(): void; + /** + * Pauses polling. + * + * @param {Function} onPause - callback upon buffers are flushed and transport is paused + * @package + */ + pause(onPause: any): void; + /** + * Starts polling cycle. + * + * @private + */ + poll(): void; + /** + * Overloads onData to detect payloads. + * + * @protected + */ + onData(data: any): void; + /** + * For polling, send a close packet. + * + * @protected + */ + doClose(): void; + /** + * Writes a packets payload. + * + * @param {Array} packets - data packets + * @protected + */ + write(packets: any): void; + /** + * Generates uri for connection. + * + * @private + */ + private uri; + /** + * Creates a request. + * + * @param {String} method + * @private + */ + request(opts?: {}): Request; + /** + * Sends data. + * + * @param {String} data to send. + * @param {Function} called upon flush. + * @private + */ + private doWrite; + /** + * Starts a poll cycle. + * + * @private + */ + private doPoll; +} +interface RequestReservedEvents { + success: () => void; + data: (data: RawData) => void; + error: (err: number | Error, context: unknown) => void; +} +export declare class Request extends Emitter<{}, {}, RequestReservedEvents> { + private readonly opts; + private readonly method; + private readonly uri; + private readonly data; + private xhr; + private setTimeoutFn; + private index; + static requestsCount: number; + static requests: {}; + /** + * Request constructor + * + * @param {Object} options + * @package + */ + constructor(uri: any, opts: any); + /** + * Creates the XHR object and sends the request. + * + * @private + */ + private create; + /** + * Called upon error. + * + * @private + */ + private onError; + /** + * Cleans up house. + * + * @private + */ + private cleanup; + /** + * Called upon load. + * + * @private + */ + private onLoad; + /** + * Aborts the request. + * + * @package + */ + abort(): void; +} +export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/polling.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/polling.js new file mode 100644 index 00000000..e69c7a70 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/polling.js @@ -0,0 +1,414 @@ +"use strict"; +var __importDefault = (this && this.__importDefault) || function (mod) { + return (mod && mod.__esModule) ? mod : { "default": mod }; +}; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.Request = exports.Polling = void 0; +const transport_js_1 = require("../transport.js"); +const debug_1 = __importDefault(require("debug")); // debug() +const yeast_js_1 = require("../contrib/yeast.js"); +const engine_io_parser_1 = require("engine.io-parser"); +const xmlhttprequest_js_1 = require("./xmlhttprequest.js"); +const component_emitter_1 = require("@socket.io/component-emitter"); +const util_js_1 = require("../util.js"); +const globalThis_js_1 = require("../globalThis.js"); +const debug = (0, debug_1.default)("engine.io-client:polling"); // debug() +function empty() { } +const hasXHR2 = (function () { + const xhr = new xmlhttprequest_js_1.XHR({ + xdomain: false, + }); + return null != xhr.responseType; +})(); +class Polling extends transport_js_1.Transport { + /** + * XHR Polling constructor. + * + * @param {Object} opts + * @package + */ + constructor(opts) { + super(opts); + this.polling = false; + if (typeof location !== "undefined") { + const isSSL = "https:" === location.protocol; + let port = location.port; + // some user agents have empty `location.port` + if (!port) { + port = isSSL ? "443" : "80"; + } + this.xd = + (typeof location !== "undefined" && + opts.hostname !== location.hostname) || + port !== opts.port; + } + /** + * XHR supports binary + */ + const forceBase64 = opts && opts.forceBase64; + this.supportsBinary = hasXHR2 && !forceBase64; + if (this.opts.withCredentials) { + this.cookieJar = (0, xmlhttprequest_js_1.createCookieJar)(); + } + } + get name() { + return "polling"; + } + /** + * Opens the socket (triggers polling). We write a PING message to determine + * when the transport is open. + * + * @protected + */ + doOpen() { + this.poll(); + } + /** + * Pauses polling. + * + * @param {Function} onPause - callback upon buffers are flushed and transport is paused + * @package + */ + pause(onPause) { + this.readyState = "pausing"; + const pause = () => { + debug("paused"); + this.readyState = "paused"; + onPause(); + }; + if (this.polling || !this.writable) { + let total = 0; + if (this.polling) { + debug("we are currently polling - waiting to pause"); + total++; + this.once("pollComplete", function () { + debug("pre-pause polling complete"); + --total || pause(); + }); + } + if (!this.writable) { + debug("we are currently writing - waiting to pause"); + total++; + this.once("drain", function () { + debug("pre-pause writing complete"); + --total || pause(); + }); + } + } + else { + pause(); + } + } + /** + * Starts polling cycle. + * + * @private + */ + poll() { + debug("polling"); + this.polling = true; + this.doPoll(); + this.emitReserved("poll"); + } + /** + * Overloads onData to detect payloads. + * + * @protected + */ + onData(data) { + debug("polling got data %s", data); + const callback = (packet) => { + // if its the first message we consider the transport open + if ("opening" === this.readyState && packet.type === "open") { + this.onOpen(); + } + // if its a close packet, we close the ongoing requests + if ("close" === packet.type) { + this.onClose({ description: "transport closed by the server" }); + return false; + } + // otherwise bypass onData and handle the message + this.onPacket(packet); + }; + // decode payload + (0, engine_io_parser_1.decodePayload)(data, this.socket.binaryType).forEach(callback); + // if an event did not trigger closing + if ("closed" !== this.readyState) { + // if we got data we're not polling + this.polling = false; + this.emitReserved("pollComplete"); + if ("open" === this.readyState) { + this.poll(); + } + else { + debug('ignoring poll - transport state "%s"', this.readyState); + } + } + } + /** + * For polling, send a close packet. + * + * @protected + */ + doClose() { + const close = () => { + debug("writing close packet"); + this.write([{ type: "close" }]); + }; + if ("open" === this.readyState) { + debug("transport open - closing"); + close(); + } + else { + // in case we're trying to close while + // handshaking is in progress (GH-164) + debug("transport not open - deferring close"); + this.once("open", close); + } + } + /** + * Writes a packets payload. + * + * @param {Array} packets - data packets + * @protected + */ + write(packets) { + this.writable = false; + (0, engine_io_parser_1.encodePayload)(packets, (data) => { + this.doWrite(data, () => { + this.writable = true; + this.emitReserved("drain"); + }); + }); + } + /** + * Generates uri for connection. + * + * @private + */ + uri() { + const schema = this.opts.secure ? "https" : "http"; + const query = this.query || {}; + // cache busting is forced + if (false !== this.opts.timestampRequests) { + query[this.opts.timestampParam] = (0, yeast_js_1.yeast)(); + } + if (!this.supportsBinary && !query.sid) { + query.b64 = 1; + } + return this.createUri(schema, query); + } + /** + * Creates a request. + * + * @param {String} method + * @private + */ + request(opts = {}) { + Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts); + return new Request(this.uri(), opts); + } + /** + * Sends data. + * + * @param {String} data to send. + * @param {Function} called upon flush. + * @private + */ + doWrite(data, fn) { + const req = this.request({ + method: "POST", + data: data, + }); + req.on("success", fn); + req.on("error", (xhrStatus, context) => { + this.onError("xhr post error", xhrStatus, context); + }); + } + /** + * Starts a poll cycle. + * + * @private + */ + doPoll() { + debug("xhr poll"); + const req = this.request(); + req.on("data", this.onData.bind(this)); + req.on("error", (xhrStatus, context) => { + this.onError("xhr poll error", xhrStatus, context); + }); + this.pollXhr = req; + } +} +exports.Polling = Polling; +class Request extends component_emitter_1.Emitter { + /** + * Request constructor + * + * @param {Object} options + * @package + */ + constructor(uri, opts) { + super(); + (0, util_js_1.installTimerFunctions)(this, opts); + this.opts = opts; + this.method = opts.method || "GET"; + this.uri = uri; + this.data = undefined !== opts.data ? opts.data : null; + this.create(); + } + /** + * Creates the XHR object and sends the request. + * + * @private + */ + create() { + var _a; + const opts = (0, util_js_1.pick)(this.opts, "agent", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "autoUnref"); + opts.xdomain = !!this.opts.xd; + const xhr = (this.xhr = new xmlhttprequest_js_1.XHR(opts)); + try { + debug("xhr open %s: %s", this.method, this.uri); + xhr.open(this.method, this.uri, true); + try { + if (this.opts.extraHeaders) { + xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true); + for (let i in this.opts.extraHeaders) { + if (this.opts.extraHeaders.hasOwnProperty(i)) { + xhr.setRequestHeader(i, this.opts.extraHeaders[i]); + } + } + } + } + catch (e) { } + if ("POST" === this.method) { + try { + xhr.setRequestHeader("Content-type", "text/plain;charset=UTF-8"); + } + catch (e) { } + } + try { + xhr.setRequestHeader("Accept", "*/*"); + } + catch (e) { } + (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr); + // ie6 check + if ("withCredentials" in xhr) { + xhr.withCredentials = this.opts.withCredentials; + } + if (this.opts.requestTimeout) { + xhr.timeout = this.opts.requestTimeout; + } + xhr.onreadystatechange = () => { + var _a; + if (xhr.readyState === 3) { + (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr); + } + if (4 !== xhr.readyState) + return; + if (200 === xhr.status || 1223 === xhr.status) { + this.onLoad(); + } + else { + // make sure the `error` event handler that's user-set + // does not throw in the same tick and gets caught here + this.setTimeoutFn(() => { + this.onError(typeof xhr.status === "number" ? xhr.status : 0); + }, 0); + } + }; + debug("xhr data %s", this.data); + xhr.send(this.data); + } + catch (e) { + // Need to defer since .create() is called directly from the constructor + // and thus the 'error' event can only be only bound *after* this exception + // occurs. Therefore, also, we cannot throw here at all. + this.setTimeoutFn(() => { + this.onError(e); + }, 0); + return; + } + if (typeof document !== "undefined") { + this.index = Request.requestsCount++; + Request.requests[this.index] = this; + } + } + /** + * Called upon error. + * + * @private + */ + onError(err) { + this.emitReserved("error", err, this.xhr); + this.cleanup(true); + } + /** + * Cleans up house. + * + * @private + */ + cleanup(fromError) { + if ("undefined" === typeof this.xhr || null === this.xhr) { + return; + } + this.xhr.onreadystatechange = empty; + if (fromError) { + try { + this.xhr.abort(); + } + catch (e) { } + } + if (typeof document !== "undefined") { + delete Request.requests[this.index]; + } + this.xhr = null; + } + /** + * Called upon load. + * + * @private + */ + onLoad() { + const data = this.xhr.responseText; + if (data !== null) { + this.emitReserved("data", data); + this.emitReserved("success"); + this.cleanup(); + } + } + /** + * Aborts the request. + * + * @package + */ + abort() { + this.cleanup(); + } +} +exports.Request = Request; +Request.requestsCount = 0; +Request.requests = {}; +/** + * Aborts pending requests when unloading the window. This is needed to prevent + * memory leaks (e.g. when using IE) and to ensure that no spurious error is + * emitted. + */ +if (typeof document !== "undefined") { + // @ts-ignore + if (typeof attachEvent === "function") { + // @ts-ignore + attachEvent("onunload", unloadHandler); + } + else if (typeof addEventListener === "function") { + const terminationEvent = "onpagehide" in globalThis_js_1.globalThisShim ? "pagehide" : "unload"; + addEventListener(terminationEvent, unloadHandler, false); + } +} +function unloadHandler() { + for (let i in Request.requests) { + if (Request.requests.hasOwnProperty(i)) { + Request.requests[i].abort(); + } + } +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.browser.d.ts new file mode 100644 index 00000000..4f1b60e9 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.browser.d.ts @@ -0,0 +1,4 @@ +export declare const nextTick: (cb: any, setTimeoutFn: any) => any; +export declare const WebSocket: any; +export declare const usingBrowserWebSocket = true; +export declare const defaultBinaryType = "arraybuffer"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.browser.js new file mode 100644 index 00000000..d7e10a7c --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.browser.js @@ -0,0 +1,16 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.defaultBinaryType = exports.usingBrowserWebSocket = exports.WebSocket = exports.nextTick = void 0; +const globalThis_js_1 = require("../globalThis.js"); +exports.nextTick = (() => { + const isPromiseAvailable = typeof Promise === "function" && typeof Promise.resolve === "function"; + if (isPromiseAvailable) { + return (cb) => Promise.resolve().then(cb); + } + else { + return (cb, setTimeoutFn) => setTimeoutFn(cb, 0); + } +})(); +exports.WebSocket = globalThis_js_1.globalThisShim.WebSocket || globalThis_js_1.globalThisShim.MozWebSocket; +exports.usingBrowserWebSocket = true; +exports.defaultBinaryType = "arraybuffer"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.d.ts new file mode 100644 index 00000000..55095005 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.d.ts @@ -0,0 +1,4 @@ +export declare const WebSocket: any; +export declare const usingBrowserWebSocket = false; +export declare const defaultBinaryType = "nodebuffer"; +export declare const nextTick: (callback: Function, ...args: any[]) => void; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.js new file mode 100644 index 00000000..6ebda117 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.js @@ -0,0 +1,11 @@ +"use strict"; +var __importDefault = (this && this.__importDefault) || function (mod) { + return (mod && mod.__esModule) ? mod : { "default": mod }; +}; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.nextTick = exports.defaultBinaryType = exports.usingBrowserWebSocket = exports.WebSocket = void 0; +const ws_1 = __importDefault(require("ws")); +exports.WebSocket = ws_1.default; +exports.usingBrowserWebSocket = false; +exports.defaultBinaryType = "nodebuffer"; +exports.nextTick = process.nextTick; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket.d.ts new file mode 100644 index 00000000..30dfe291 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket.d.ts @@ -0,0 +1,34 @@ +import { Transport } from "../transport.js"; +export declare class WS extends Transport { + private ws; + /** + * WebSocket transport constructor. + * + * @param {Object} opts - connection options + * @protected + */ + constructor(opts: any); + get name(): string; + doOpen(): this; + /** + * Adds event listeners to the socket + * + * @private + */ + private addEventListeners; + write(packets: any): void; + doClose(): void; + /** + * Generates uri for connection. + * + * @private + */ + private uri; + /** + * Feature detection for WebSocket. + * + * @return {Boolean} whether this transport is available. + * @private + */ + private check; +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket.js new file mode 100644 index 00000000..0c6be50a --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket.js @@ -0,0 +1,162 @@ +"use strict"; +var __importDefault = (this && this.__importDefault) || function (mod) { + return (mod && mod.__esModule) ? mod : { "default": mod }; +}; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.WS = void 0; +const transport_js_1 = require("../transport.js"); +const yeast_js_1 = require("../contrib/yeast.js"); +const util_js_1 = require("../util.js"); +const websocket_constructor_js_1 = require("./websocket-constructor.js"); +const debug_1 = __importDefault(require("debug")); // debug() +const engine_io_parser_1 = require("engine.io-parser"); +const debug = (0, debug_1.default)("engine.io-client:websocket"); // debug() +// detect ReactNative environment +const isReactNative = typeof navigator !== "undefined" && + typeof navigator.product === "string" && + navigator.product.toLowerCase() === "reactnative"; +class WS extends transport_js_1.Transport { + /** + * WebSocket transport constructor. + * + * @param {Object} opts - connection options + * @protected + */ + constructor(opts) { + super(opts); + this.supportsBinary = !opts.forceBase64; + } + get name() { + return "websocket"; + } + doOpen() { + if (!this.check()) { + // let probe timeout + return; + } + const uri = this.uri(); + const protocols = this.opts.protocols; + // React Native only supports the 'headers' option, and will print a warning if anything else is passed + const opts = isReactNative + ? {} + : (0, util_js_1.pick)(this.opts, "agent", "perMessageDeflate", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "localAddress", "protocolVersion", "origin", "maxPayload", "family", "checkServerIdentity"); + if (this.opts.extraHeaders) { + opts.headers = this.opts.extraHeaders; + } + try { + this.ws = + websocket_constructor_js_1.usingBrowserWebSocket && !isReactNative + ? protocols + ? new websocket_constructor_js_1.WebSocket(uri, protocols) + : new websocket_constructor_js_1.WebSocket(uri) + : new websocket_constructor_js_1.WebSocket(uri, protocols, opts); + } + catch (err) { + return this.emitReserved("error", err); + } + this.ws.binaryType = this.socket.binaryType; + this.addEventListeners(); + } + /** + * Adds event listeners to the socket + * + * @private + */ + addEventListeners() { + this.ws.onopen = () => { + if (this.opts.autoUnref) { + this.ws._socket.unref(); + } + this.onOpen(); + }; + this.ws.onclose = (closeEvent) => this.onClose({ + description: "websocket connection closed", + context: closeEvent, + }); + this.ws.onmessage = (ev) => this.onData(ev.data); + this.ws.onerror = (e) => this.onError("websocket error", e); + } + write(packets) { + this.writable = false; + // encodePacket efficient as it uses WS framing + // no need for encodePayload + for (let i = 0; i < packets.length; i++) { + const packet = packets[i]; + const lastPacket = i === packets.length - 1; + (0, engine_io_parser_1.encodePacket)(packet, this.supportsBinary, (data) => { + // always create a new object (GH-437) + const opts = {}; + if (!websocket_constructor_js_1.usingBrowserWebSocket) { + if (packet.options) { + opts.compress = packet.options.compress; + } + if (this.opts.perMessageDeflate) { + const len = + // @ts-ignore + "string" === typeof data ? Buffer.byteLength(data) : data.length; + if (len < this.opts.perMessageDeflate.threshold) { + opts.compress = false; + } + } + } + // Sometimes the websocket has already been closed but the browser didn't + // have a chance of informing us about it yet, in that case send will + // throw an error + try { + if (websocket_constructor_js_1.usingBrowserWebSocket) { + // TypeError is thrown when passing the second argument on Safari + this.ws.send(data); + } + else { + this.ws.send(data, opts); + } + } + catch (e) { + debug("websocket closed before onclose event"); + } + if (lastPacket) { + // fake drain + // defer to next tick to allow Socket to clear writeBuffer + (0, websocket_constructor_js_1.nextTick)(() => { + this.writable = true; + this.emitReserved("drain"); + }, this.setTimeoutFn); + } + }); + } + } + doClose() { + if (typeof this.ws !== "undefined") { + this.ws.close(); + this.ws = null; + } + } + /** + * Generates uri for connection. + * + * @private + */ + uri() { + const schema = this.opts.secure ? "wss" : "ws"; + const query = this.query || {}; + // append timestamp to URI + if (this.opts.timestampRequests) { + query[this.opts.timestampParam] = (0, yeast_js_1.yeast)(); + } + // communicate binary support capabilities + if (!this.supportsBinary) { + query.b64 = 1; + } + return this.createUri(schema, query); + } + /** + * Feature detection for WebSocket. + * + * @return {Boolean} whether this transport is available. + * @private + */ + check() { + return !!websocket_constructor_js_1.WebSocket; + } +} +exports.WS = WS; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/webtransport.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/webtransport.d.ts new file mode 100644 index 00000000..093d6605 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/webtransport.d.ts @@ -0,0 +1,10 @@ +import { Transport } from "../transport.js"; +import { Packet } from "engine.io-parser"; +export declare class WT extends Transport { + private transport; + private writer; + get name(): string; + protected doOpen(): void; + protected write(packets: Packet[]): void; + protected doClose(): void; +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/webtransport.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/webtransport.js new file mode 100644 index 00000000..b9e9b6a7 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/webtransport.js @@ -0,0 +1,85 @@ +"use strict"; +var __importDefault = (this && this.__importDefault) || function (mod) { + return (mod && mod.__esModule) ? mod : { "default": mod }; +}; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.WT = void 0; +const transport_js_1 = require("../transport.js"); +const websocket_constructor_js_1 = require("./websocket-constructor.js"); +const engine_io_parser_1 = require("engine.io-parser"); +const debug_1 = __importDefault(require("debug")); // debug() +const debug = (0, debug_1.default)("engine.io-client:webtransport"); // debug() +class WT extends transport_js_1.Transport { + get name() { + return "webtransport"; + } + doOpen() { + // @ts-ignore + if (typeof WebTransport !== "function") { + return; + } + // @ts-ignore + this.transport = new WebTransport(this.createUri("https"), this.opts.transportOptions[this.name]); + this.transport.closed + .then(() => { + debug("transport closed gracefully"); + this.onClose(); + }) + .catch((err) => { + debug("transport closed due to %s", err); + this.onError("webtransport error", err); + }); + // note: we could have used async/await, but that would require some additional polyfills + this.transport.ready.then(() => { + this.transport.createBidirectionalStream().then((stream) => { + const decoderStream = (0, engine_io_parser_1.createPacketDecoderStream)(Number.MAX_SAFE_INTEGER, this.socket.binaryType); + const reader = stream.readable.pipeThrough(decoderStream).getReader(); + const encoderStream = (0, engine_io_parser_1.createPacketEncoderStream)(); + encoderStream.readable.pipeTo(stream.writable); + this.writer = encoderStream.writable.getWriter(); + const read = () => { + reader + .read() + .then(({ done, value }) => { + if (done) { + debug("session is closed"); + return; + } + debug("received chunk: %o", value); + this.onPacket(value); + read(); + }) + .catch((err) => { + debug("an error occurred while reading: %s", err); + }); + }; + read(); + const packet = { type: "open" }; + if (this.query.sid) { + packet.data = `{"sid":"${this.query.sid}"}`; + } + this.writer.write(packet).then(() => this.onOpen()); + }); + }); + } + write(packets) { + this.writable = false; + for (let i = 0; i < packets.length; i++) { + const packet = packets[i]; + const lastPacket = i === packets.length - 1; + this.writer.write(packet).then(() => { + if (lastPacket) { + (0, websocket_constructor_js_1.nextTick)(() => { + this.writable = true; + this.emitReserved("drain"); + }, this.setTimeoutFn); + } + }); + } + } + doClose() { + var _a; + (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close(); + } +} +exports.WT = WT; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.browser.d.ts new file mode 100644 index 00000000..cb475422 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.browser.d.ts @@ -0,0 +1,2 @@ +export declare function XHR(opts: any): any; +export declare function createCookieJar(): void; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.browser.js new file mode 100644 index 00000000..cf1d8081 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.browser.js @@ -0,0 +1,25 @@ +"use strict"; +// browser shim for xmlhttprequest module +Object.defineProperty(exports, "__esModule", { value: true }); +exports.createCookieJar = exports.XHR = void 0; +const has_cors_js_1 = require("../contrib/has-cors.js"); +const globalThis_js_1 = require("../globalThis.js"); +function XHR(opts) { + const xdomain = opts.xdomain; + // XMLHttpRequest can be disabled on IE + try { + if ("undefined" !== typeof XMLHttpRequest && (!xdomain || has_cors_js_1.hasCORS)) { + return new XMLHttpRequest(); + } + } + catch (e) { } + if (!xdomain) { + try { + return new globalThis_js_1.globalThisShim[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP"); + } + catch (e) { } + } +} +exports.XHR = XHR; +function createCookieJar() { } +exports.createCookieJar = createCookieJar; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.d.ts new file mode 100644 index 00000000..f2af011a --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.d.ts @@ -0,0 +1,17 @@ +export declare const XHR: any; +export declare function createCookieJar(): CookieJar; +interface Cookie { + name: string; + value: string; + expires?: Date; +} +/** + * @see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie + */ +export declare function parse(setCookieString: string): Cookie; +export declare class CookieJar { + private cookies; + parseCookies(xhr: any): void; + addCookies(xhr: any): void; +} +export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.js new file mode 100644 index 00000000..42d62db3 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.js @@ -0,0 +1,111 @@ +"use strict"; +var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { + if (k2 === undefined) k2 = k; + var desc = Object.getOwnPropertyDescriptor(m, k); + if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { + desc = { enumerable: true, get: function() { return m[k]; } }; + } + Object.defineProperty(o, k2, desc); +}) : (function(o, m, k, k2) { + if (k2 === undefined) k2 = k; + o[k2] = m[k]; +})); +var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) { + Object.defineProperty(o, "default", { enumerable: true, value: v }); +}) : function(o, v) { + o["default"] = v; +}); +var __importStar = (this && this.__importStar) || function (mod) { + if (mod && mod.__esModule) return mod; + var result = {}; + if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k); + __setModuleDefault(result, mod); + return result; +}; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.CookieJar = exports.parse = exports.createCookieJar = exports.XHR = void 0; +const XMLHttpRequestModule = __importStar(require("xmlhttprequest-ssl")); +exports.XHR = XMLHttpRequestModule.default || XMLHttpRequestModule; +function createCookieJar() { + return new CookieJar(); +} +exports.createCookieJar = createCookieJar; +/** + * @see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie + */ +function parse(setCookieString) { + const parts = setCookieString.split("; "); + const i = parts[0].indexOf("="); + if (i === -1) { + return; + } + const name = parts[0].substring(0, i).trim(); + if (!name.length) { + return; + } + let value = parts[0].substring(i + 1).trim(); + if (value.charCodeAt(0) === 0x22) { + // remove double quotes + value = value.slice(1, -1); + } + const cookie = { + name, + value, + }; + for (let j = 1; j < parts.length; j++) { + const subParts = parts[j].split("="); + if (subParts.length !== 2) { + continue; + } + const key = subParts[0].trim(); + const value = subParts[1].trim(); + switch (key) { + case "Expires": + cookie.expires = new Date(value); + break; + case "Max-Age": + const expiration = new Date(); + expiration.setUTCSeconds(expiration.getUTCSeconds() + parseInt(value, 10)); + cookie.expires = expiration; + break; + default: + // ignore other keys + } + } + return cookie; +} +exports.parse = parse; +class CookieJar { + constructor() { + this.cookies = new Map(); + } + parseCookies(xhr) { + const values = xhr.getResponseHeader("set-cookie"); + if (!values) { + return; + } + values.forEach((value) => { + const parsed = parse(value); + if (parsed) { + this.cookies.set(parsed.name, parsed); + } + }); + } + addCookies(xhr) { + const cookies = []; + this.cookies.forEach((cookie, name) => { + var _a; + if (((_a = cookie.expires) === null || _a === void 0 ? void 0 : _a.getTime()) < Date.now()) { + this.cookies.delete(name); + } + else { + cookies.push(`${name}=${cookie.value}`); + } + }); + if (cookies.length) { + xhr.setDisableHeaderCheck(true); + xhr.setRequestHeader("cookie", cookies.join("; ")); + } + } +} +exports.CookieJar = CookieJar; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/util.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/util.d.ts new file mode 100644 index 00000000..5921b7b7 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/util.d.ts @@ -0,0 +1,3 @@ +export declare function pick(obj: any, ...attr: any[]): any; +export declare function installTimerFunctions(obj: any, opts: any): void; +export declare function byteLength(obj: any): number; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/util.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/util.js new file mode 100644 index 00000000..cadd450d --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/cjs/util.js @@ -0,0 +1,58 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.byteLength = exports.installTimerFunctions = exports.pick = void 0; +const globalThis_js_1 = require("./globalThis.js"); +function pick(obj, ...attr) { + return attr.reduce((acc, k) => { + if (obj.hasOwnProperty(k)) { + acc[k] = obj[k]; + } + return acc; + }, {}); +} +exports.pick = pick; +// Keep a reference to the real timeout functions so they can be used when overridden +const NATIVE_SET_TIMEOUT = globalThis_js_1.globalThisShim.setTimeout; +const NATIVE_CLEAR_TIMEOUT = globalThis_js_1.globalThisShim.clearTimeout; +function installTimerFunctions(obj, opts) { + if (opts.useNativeTimers) { + obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis_js_1.globalThisShim); + obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis_js_1.globalThisShim); + } + else { + obj.setTimeoutFn = globalThis_js_1.globalThisShim.setTimeout.bind(globalThis_js_1.globalThisShim); + obj.clearTimeoutFn = globalThis_js_1.globalThisShim.clearTimeout.bind(globalThis_js_1.globalThisShim); + } +} +exports.installTimerFunctions = installTimerFunctions; +// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64) +const BASE64_OVERHEAD = 1.33; +// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9 +function byteLength(obj) { + if (typeof obj === "string") { + return utf8Length(obj); + } + // arraybuffer or blob + return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD); +} +exports.byteLength = byteLength; +function utf8Length(str) { + let c = 0, length = 0; + for (let i = 0, l = str.length; i < l; i++) { + c = str.charCodeAt(i); + if (c < 0x80) { + length += 1; + } + else if (c < 0x800) { + length += 2; + } + else if (c < 0xd800 || c >= 0xe000) { + length += 3; + } + else { + i++; + length += 4; + } + } + return length; +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/browser-entrypoint.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/browser-entrypoint.d.ts new file mode 100644 index 00000000..66bff7b2 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/browser-entrypoint.d.ts @@ -0,0 +1,3 @@ +import { Socket } from "./socket.js"; +declare const _default: (uri: any, opts: any) => Socket; +export default _default; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/browser-entrypoint.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/browser-entrypoint.js new file mode 100644 index 00000000..ca62e3e4 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/browser-entrypoint.js @@ -0,0 +1,2 @@ +import { Socket } from "./socket.js"; +export default (uri, opts) => new Socket(uri, opts); diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/has-cors.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/has-cors.d.ts new file mode 100644 index 00000000..346b0a5c --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/has-cors.d.ts @@ -0,0 +1 @@ +export declare const hasCORS: boolean; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/has-cors.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/has-cors.js new file mode 100644 index 00000000..4e3edf45 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/has-cors.js @@ -0,0 +1,11 @@ +// imported from https://github.com/component/has-cors +let value = false; +try { + value = typeof XMLHttpRequest !== 'undefined' && + 'withCredentials' in new XMLHttpRequest(); +} +catch (err) { + // if XMLHttp support is disabled in IE then it will throw + // when trying to create +} +export const hasCORS = value; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseqs.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseqs.d.ts new file mode 100644 index 00000000..528aab11 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseqs.d.ts @@ -0,0 +1,15 @@ +/** + * Compiles a querystring + * Returns string representation of the object + * + * @param {Object} + * @api private + */ +export declare function encode(obj: any): string; +/** + * Parses a simple querystring into an object + * + * @param {String} qs + * @api private + */ +export declare function decode(qs: any): {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseqs.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseqs.js new file mode 100644 index 00000000..aea0f7b8 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseqs.js @@ -0,0 +1,34 @@ +// imported from https://github.com/galkn/querystring +/** + * Compiles a querystring + * Returns string representation of the object + * + * @param {Object} + * @api private + */ +export function encode(obj) { + let str = ''; + for (let i in obj) { + if (obj.hasOwnProperty(i)) { + if (str.length) + str += '&'; + str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]); + } + } + return str; +} +/** + * Parses a simple querystring into an object + * + * @param {String} qs + * @api private + */ +export function decode(qs) { + let qry = {}; + let pairs = qs.split('&'); + for (let i = 0, l = pairs.length; i < l; i++) { + let pair = pairs[i].split('='); + qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]); + } + return qry; +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseuri.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseuri.d.ts new file mode 100644 index 00000000..9a7a14ae --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseuri.d.ts @@ -0,0 +1 @@ +export declare function parse(str: string): any; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseuri.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseuri.js new file mode 100644 index 00000000..fa0106fb --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseuri.js @@ -0,0 +1,64 @@ +// imported from https://github.com/galkn/parseuri +/** + * Parses a URI + * + * Note: we could also have used the built-in URL object, but it isn't supported on all platforms. + * + * See: + * - https://developer.mozilla.org/en-US/docs/Web/API/URL + * - https://caniuse.com/url + * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B + * + * History of the parse() method: + * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c + * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3 + * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242 + * + * @author Steven Levithan (MIT license) + * @api private + */ +const re = /^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/; +const parts = [ + 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor' +]; +export function parse(str) { + if (str.length > 2000) { + throw "URI too long"; + } + const src = str, b = str.indexOf('['), e = str.indexOf(']'); + if (b != -1 && e != -1) { + str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length); + } + let m = re.exec(str || ''), uri = {}, i = 14; + while (i--) { + uri[parts[i]] = m[i] || ''; + } + if (b != -1 && e != -1) { + uri.source = src; + uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':'); + uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':'); + uri.ipv6uri = true; + } + uri.pathNames = pathNames(uri, uri['path']); + uri.queryKey = queryKey(uri, uri['query']); + return uri; +} +function pathNames(obj, path) { + const regx = /\/{2,9}/g, names = path.replace(regx, "/").split("/"); + if (path.slice(0, 1) == '/' || path.length === 0) { + names.splice(0, 1); + } + if (path.slice(-1) == '/') { + names.splice(names.length - 1, 1); + } + return names; +} +function queryKey(uri, query) { + const data = {}; + query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) { + if ($1) { + data[$1] = $2; + } + }); + return data; +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/yeast.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/yeast.d.ts new file mode 100644 index 00000000..29b5b45e --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/yeast.d.ts @@ -0,0 +1,23 @@ +/** + * Return a string representing the specified number. + * + * @param {Number} num The number to convert. + * @returns {String} The string representation of the number. + * @api public + */ +export declare function encode(num: any): string; +/** + * Return the integer value specified by the given string. + * + * @param {String} str The string to convert. + * @returns {Number} The integer value represented by the string. + * @api public + */ +export declare function decode(str: any): number; +/** + * Yeast: A tiny growing id generator. + * + * @returns {String} A unique id. + * @api public + */ +export declare function yeast(): string; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/yeast.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/yeast.js new file mode 100644 index 00000000..e0910321 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/yeast.js @@ -0,0 +1,50 @@ +// imported from https://github.com/unshiftio/yeast +'use strict'; +const alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {}; +let seed = 0, i = 0, prev; +/** + * Return a string representing the specified number. + * + * @param {Number} num The number to convert. + * @returns {String} The string representation of the number. + * @api public + */ +export function encode(num) { + let encoded = ''; + do { + encoded = alphabet[num % length] + encoded; + num = Math.floor(num / length); + } while (num > 0); + return encoded; +} +/** + * Return the integer value specified by the given string. + * + * @param {String} str The string to convert. + * @returns {Number} The integer value represented by the string. + * @api public + */ +export function decode(str) { + let decoded = 0; + for (i = 0; i < str.length; i++) { + decoded = decoded * length + map[str.charAt(i)]; + } + return decoded; +} +/** + * Yeast: A tiny growing id generator. + * + * @returns {String} A unique id. + * @api public + */ +export function yeast() { + const now = encode(+new Date()); + if (now !== prev) + return seed = 0, prev = now; + return now + '.' + encode(seed++); +} +// +// Map each character to its index. +// +for (; i < length; i++) + map[alphabet[i]] = i; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.browser.d.ts new file mode 100644 index 00000000..28d0a7c5 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.browser.d.ts @@ -0,0 +1 @@ +export declare const globalThisShim: any; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.browser.js new file mode 100644 index 00000000..ac268995 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.browser.js @@ -0,0 +1,11 @@ +export const globalThisShim = (() => { + if (typeof self !== "undefined") { + return self; + } + else if (typeof window !== "undefined") { + return window; + } + else { + return Function("return this")(); + } +})(); diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.d.ts new file mode 100644 index 00000000..4b9b90ff --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.d.ts @@ -0,0 +1 @@ +export declare const globalThisShim: typeof globalThis; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.js new file mode 100644 index 00000000..27a616bd --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.js @@ -0,0 +1 @@ +export const globalThisShim = global; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/index.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/index.d.ts new file mode 100644 index 00000000..9e2dbd3c --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/index.d.ts @@ -0,0 +1,9 @@ +import { Socket } from "./socket.js"; +export { Socket }; +export { SocketOptions } from "./socket.js"; +export declare const protocol: number; +export { Transport, TransportError } from "./transport.js"; +export { transports } from "./transports/index.js"; +export { installTimerFunctions } from "./util.js"; +export { parse } from "./contrib/parseuri.js"; +export { nextTick } from "./transports/websocket-constructor.js"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/index.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/index.js new file mode 100644 index 00000000..532e15ac --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/index.js @@ -0,0 +1,8 @@ +import { Socket } from "./socket.js"; +export { Socket }; +export const protocol = Socket.protocol; +export { Transport, TransportError } from "./transport.js"; +export { transports } from "./transports/index.js"; +export { installTimerFunctions } from "./util.js"; +export { parse } from "./contrib/parseuri.js"; +export { nextTick } from "./transports/websocket-constructor.js"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/package.json b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/package.json new file mode 100644 index 00000000..89498b3d --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/package.json @@ -0,0 +1,10 @@ +{ + "name": "engine.io-client", + "type": "module", + "browser": { + "ws": false, + "./transports/xmlhttprequest.js": "./transports/xmlhttprequest.browser.js", + "./transports/websocket-constructor.js": "./transports/websocket-constructor.browser.js", + "./globalThis.js": "./globalThis.browser.js" + } +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/socket.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/socket.d.ts new file mode 100644 index 00000000..027a0e37 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/socket.d.ts @@ -0,0 +1,362 @@ +import { Emitter } from "@socket.io/component-emitter"; +import type { Packet, BinaryType, RawData } from "engine.io-parser"; +import { CloseDetails, Transport } from "./transport.js"; +export interface SocketOptions { + /** + * The host that we're connecting to. Set from the URI passed when connecting + */ + host: string; + /** + * The hostname for our connection. Set from the URI passed when connecting + */ + hostname: string; + /** + * If this is a secure connection. Set from the URI passed when connecting + */ + secure: boolean; + /** + * The port for our connection. Set from the URI passed when connecting + */ + port: string | number; + /** + * Any query parameters in our uri. Set from the URI passed when connecting + */ + query: { + [key: string]: any; + }; + /** + * `http.Agent` to use, defaults to `false` (NodeJS only) + * + * Note: the type should be "undefined | http.Agent | https.Agent | false", but this would break browser-only clients. + * + * @see https://nodejs.org/api/http.html#httprequestoptions-callback + */ + agent: string | boolean; + /** + * Whether the client should try to upgrade the transport from + * long-polling to something better. + * @default true + */ + upgrade: boolean; + /** + * Forces base 64 encoding for polling transport even when XHR2 + * responseType is available and WebSocket even if the used standard + * supports binary. + */ + forceBase64: boolean; + /** + * The param name to use as our timestamp key + * @default 't' + */ + timestampParam: string; + /** + * Whether to add the timestamp with each transport request. Note: this + * is ignored if the browser is IE or Android, in which case requests + * are always stamped + * @default false + */ + timestampRequests: boolean; + /** + * A list of transports to try (in order). Engine.io always attempts to + * connect directly with the first one, provided the feature detection test + * for it passes. + * + * @default ['polling','websocket', 'webtransport'] + */ + transports: string[]; + /** + * If true and if the previous websocket connection to the server succeeded, + * the connection attempt will bypass the normal upgrade process and will + * initially try websocket. A connection attempt following a transport error + * will use the normal upgrade process. It is recommended you turn this on + * only when using SSL/TLS connections, or if you know that your network does + * not block websockets. + * @default false + */ + rememberUpgrade: boolean; + /** + * Are we only interested in transports that support binary? + */ + onlyBinaryUpgrades: boolean; + /** + * Timeout for xhr-polling requests in milliseconds (0) (only for polling transport) + */ + requestTimeout: number; + /** + * Transport options for Node.js client (headers etc) + */ + transportOptions: Object; + /** + * (SSL) Certificate, Private key and CA certificates to use for SSL. + * Can be used in Node.js client environment to manually specify + * certificate information. + */ + pfx: string; + /** + * (SSL) Private key to use for SSL. Can be used in Node.js client + * environment to manually specify certificate information. + */ + key: string; + /** + * (SSL) A string or passphrase for the private key or pfx. Can be + * used in Node.js client environment to manually specify certificate + * information. + */ + passphrase: string; + /** + * (SSL) Public x509 certificate to use. Can be used in Node.js client + * environment to manually specify certificate information. + */ + cert: string; + /** + * (SSL) An authority certificate or array of authority certificates to + * check the remote host against.. Can be used in Node.js client + * environment to manually specify certificate information. + */ + ca: string | string[]; + /** + * (SSL) A string describing the ciphers to use or exclude. Consult the + * [cipher format list] + * (http://www.openssl.org/docs/apps/ciphers.html#CIPHER_LIST_FORMAT) for + * details on the format.. Can be used in Node.js client environment to + * manually specify certificate information. + */ + ciphers: string; + /** + * (SSL) If true, the server certificate is verified against the list of + * supplied CAs. An 'error' event is emitted if verification fails. + * Verification happens at the connection level, before the HTTP request + * is sent. Can be used in Node.js client environment to manually specify + * certificate information. + */ + rejectUnauthorized: boolean; + /** + * Headers that will be passed for each request to the server (via xhr-polling and via websockets). + * These values then can be used during handshake or for special proxies. + */ + extraHeaders?: { + [header: string]: string; + }; + /** + * Whether to include credentials (cookies, authorization headers, TLS + * client certificates, etc.) with cross-origin XHR polling requests + * @default false + */ + withCredentials: boolean; + /** + * Whether to automatically close the connection whenever the beforeunload event is received. + * @default false + */ + closeOnBeforeunload: boolean; + /** + * Whether to always use the native timeouts. This allows the client to + * reconnect when the native timeout functions are overridden, such as when + * mock clocks are installed. + * @default false + */ + useNativeTimers: boolean; + /** + * weather we should unref the reconnect timer when it is + * create automatically + * @default false + */ + autoUnref: boolean; + /** + * parameters of the WebSocket permessage-deflate extension (see ws module api docs). Set to false to disable. + * @default false + */ + perMessageDeflate: { + threshold: number; + }; + /** + * The path to get our client file from, in the case of the server + * serving it + * @default '/engine.io' + */ + path: string; + /** + * Whether we should add a trailing slash to the request path. + * @default true + */ + addTrailingSlash: boolean; + /** + * Either a single protocol string or an array of protocol strings. These strings are used to indicate sub-protocols, + * so that a single server can implement multiple WebSocket sub-protocols (for example, you might want one server to + * be able to handle different types of interactions depending on the specified protocol) + * @default [] + */ + protocols: string | string[]; +} +interface HandshakeData { + sid: string; + upgrades: string[]; + pingInterval: number; + pingTimeout: number; + maxPayload: number; +} +interface SocketReservedEvents { + open: () => void; + handshake: (data: HandshakeData) => void; + packet: (packet: Packet) => void; + packetCreate: (packet: Packet) => void; + data: (data: any) => void; + message: (data: any) => void; + drain: () => void; + flush: () => void; + heartbeat: () => void; + ping: () => void; + pong: () => void; + error: (err: string | Error) => void; + upgrading: (transport: any) => void; + upgrade: (transport: any) => void; + upgradeError: (err: Error) => void; + close: (reason: string, description?: CloseDetails | Error) => void; +} +type SocketState = "opening" | "open" | "closing" | "closed"; +export declare class Socket extends Emitter, Record, SocketReservedEvents> { + id: string; + transport: Transport; + binaryType: BinaryType; + readyState: SocketState; + writeBuffer: Packet[]; + private prevBufferLen; + private upgrades; + private pingInterval; + private pingTimeout; + private pingTimeoutTimer; + private setTimeoutFn; + private clearTimeoutFn; + private readonly beforeunloadEventListener; + private readonly offlineEventListener; + private upgrading; + private maxPayload?; + private readonly opts; + private readonly secure; + private readonly hostname; + private readonly port; + private readonly transports; + static priorWebsocketSuccess: boolean; + static protocol: number; + /** + * Socket constructor. + * + * @param {String|Object} uri - uri or options + * @param {Object} opts - options + */ + constructor(uri: any, opts?: Partial); + /** + * Creates transport of the given type. + * + * @param {String} name - transport name + * @return {Transport} + * @private + */ + private createTransport; + /** + * Initializes transport to use and starts probe. + * + * @private + */ + private open; + /** + * Sets the current transport. Disables the existing one (if any). + * + * @private + */ + private setTransport; + /** + * Probes a transport. + * + * @param {String} name - transport name + * @private + */ + private probe; + /** + * Called when connection is deemed open. + * + * @private + */ + private onOpen; + /** + * Handles a packet. + * + * @private + */ + private onPacket; + /** + * Called upon handshake completion. + * + * @param {Object} data - handshake obj + * @private + */ + private onHandshake; + /** + * Sets and resets ping timeout timer based on server pings. + * + * @private + */ + private resetPingTimeout; + /** + * Called on `drain` event + * + * @private + */ + private onDrain; + /** + * Flush write buffers. + * + * @private + */ + private flush; + /** + * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP + * long-polling) + * + * @private + */ + private getWritablePackets; + /** + * Sends a message. + * + * @param {String} msg - message. + * @param {Object} options. + * @param {Function} callback function. + * @return {Socket} for chaining. + */ + write(msg: RawData, options?: any, fn?: any): this; + send(msg: RawData, options?: any, fn?: any): this; + /** + * Sends a packet. + * + * @param {String} type: packet type. + * @param {String} data. + * @param {Object} options. + * @param {Function} fn - callback function. + * @private + */ + private sendPacket; + /** + * Closes the connection. + */ + close(): this; + /** + * Called upon transport error + * + * @private + */ + private onError; + /** + * Called upon transport close. + * + * @private + */ + private onClose; + /** + * Filters upgrades, returning only those matching client transports. + * + * @param {Array} upgrades - server upgrades + * @private + */ + private filterUpgrades; +} +export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/socket.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/socket.js new file mode 100644 index 00000000..e04aebca --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/socket.js @@ -0,0 +1,619 @@ +import { transports } from "./transports/index.js"; +import { installTimerFunctions, byteLength } from "./util.js"; +import { decode } from "./contrib/parseqs.js"; +import { parse } from "./contrib/parseuri.js"; +import debugModule from "debug"; // debug() +import { Emitter } from "@socket.io/component-emitter"; +import { protocol } from "engine.io-parser"; +import { defaultBinaryType } from "./transports/websocket-constructor.js"; +const debug = debugModule("engine.io-client:socket"); // debug() +export class Socket extends Emitter { + /** + * Socket constructor. + * + * @param {String|Object} uri - uri or options + * @param {Object} opts - options + */ + constructor(uri, opts = {}) { + super(); + this.binaryType = defaultBinaryType; + this.writeBuffer = []; + if (uri && "object" === typeof uri) { + opts = uri; + uri = null; + } + if (uri) { + uri = parse(uri); + opts.hostname = uri.host; + opts.secure = uri.protocol === "https" || uri.protocol === "wss"; + opts.port = uri.port; + if (uri.query) + opts.query = uri.query; + } + else if (opts.host) { + opts.hostname = parse(opts.host).host; + } + installTimerFunctions(this, opts); + this.secure = + null != opts.secure + ? opts.secure + : typeof location !== "undefined" && "https:" === location.protocol; + if (opts.hostname && !opts.port) { + // if no port is specified manually, use the protocol default + opts.port = this.secure ? "443" : "80"; + } + this.hostname = + opts.hostname || + (typeof location !== "undefined" ? location.hostname : "localhost"); + this.port = + opts.port || + (typeof location !== "undefined" && location.port + ? location.port + : this.secure + ? "443" + : "80"); + this.transports = opts.transports || [ + "polling", + "websocket", + "webtransport", + ]; + this.writeBuffer = []; + this.prevBufferLen = 0; + this.opts = Object.assign({ + path: "/engine.io", + agent: false, + withCredentials: false, + upgrade: true, + timestampParam: "t", + rememberUpgrade: false, + addTrailingSlash: true, + rejectUnauthorized: true, + perMessageDeflate: { + threshold: 1024, + }, + transportOptions: {}, + closeOnBeforeunload: false, + }, opts); + this.opts.path = + this.opts.path.replace(/\/$/, "") + + (this.opts.addTrailingSlash ? "/" : ""); + if (typeof this.opts.query === "string") { + this.opts.query = decode(this.opts.query); + } + // set on handshake + this.id = null; + this.upgrades = null; + this.pingInterval = null; + this.pingTimeout = null; + // set on heartbeat + this.pingTimeoutTimer = null; + if (typeof addEventListener === "function") { + if (this.opts.closeOnBeforeunload) { + // Firefox closes the connection when the "beforeunload" event is emitted but not Chrome. This event listener + // ensures every browser behaves the same (no "disconnect" event at the Socket.IO level when the page is + // closed/reloaded) + this.beforeunloadEventListener = () => { + if (this.transport) { + // silently close the transport + this.transport.removeAllListeners(); + this.transport.close(); + } + }; + addEventListener("beforeunload", this.beforeunloadEventListener, false); + } + if (this.hostname !== "localhost") { + this.offlineEventListener = () => { + this.onClose("transport close", { + description: "network connection lost", + }); + }; + addEventListener("offline", this.offlineEventListener, false); + } + } + this.open(); + } + /** + * Creates transport of the given type. + * + * @param {String} name - transport name + * @return {Transport} + * @private + */ + createTransport(name) { + debug('creating transport "%s"', name); + const query = Object.assign({}, this.opts.query); + // append engine.io protocol identifier + query.EIO = protocol; + // transport name + query.transport = name; + // session id if we already have one + if (this.id) + query.sid = this.id; + const opts = Object.assign({}, this.opts, { + query, + socket: this, + hostname: this.hostname, + secure: this.secure, + port: this.port, + }, this.opts.transportOptions[name]); + debug("options: %j", opts); + return new transports[name](opts); + } + /** + * Initializes transport to use and starts probe. + * + * @private + */ + open() { + let transport; + if (this.opts.rememberUpgrade && + Socket.priorWebsocketSuccess && + this.transports.indexOf("websocket") !== -1) { + transport = "websocket"; + } + else if (0 === this.transports.length) { + // Emit error on next tick so it can be listened to + this.setTimeoutFn(() => { + this.emitReserved("error", "No transports available"); + }, 0); + return; + } + else { + transport = this.transports[0]; + } + this.readyState = "opening"; + // Retry with the next transport if the transport is disabled (jsonp: false) + try { + transport = this.createTransport(transport); + } + catch (e) { + debug("error while creating transport: %s", e); + this.transports.shift(); + this.open(); + return; + } + transport.open(); + this.setTransport(transport); + } + /** + * Sets the current transport. Disables the existing one (if any). + * + * @private + */ + setTransport(transport) { + debug("setting transport %s", transport.name); + if (this.transport) { + debug("clearing existing transport %s", this.transport.name); + this.transport.removeAllListeners(); + } + // set up transport + this.transport = transport; + // set up transport listeners + transport + .on("drain", this.onDrain.bind(this)) + .on("packet", this.onPacket.bind(this)) + .on("error", this.onError.bind(this)) + .on("close", (reason) => this.onClose("transport close", reason)); + } + /** + * Probes a transport. + * + * @param {String} name - transport name + * @private + */ + probe(name) { + debug('probing transport "%s"', name); + let transport = this.createTransport(name); + let failed = false; + Socket.priorWebsocketSuccess = false; + const onTransportOpen = () => { + if (failed) + return; + debug('probe transport "%s" opened', name); + transport.send([{ type: "ping", data: "probe" }]); + transport.once("packet", (msg) => { + if (failed) + return; + if ("pong" === msg.type && "probe" === msg.data) { + debug('probe transport "%s" pong', name); + this.upgrading = true; + this.emitReserved("upgrading", transport); + if (!transport) + return; + Socket.priorWebsocketSuccess = "websocket" === transport.name; + debug('pausing current transport "%s"', this.transport.name); + this.transport.pause(() => { + if (failed) + return; + if ("closed" === this.readyState) + return; + debug("changing transport and sending upgrade packet"); + cleanup(); + this.setTransport(transport); + transport.send([{ type: "upgrade" }]); + this.emitReserved("upgrade", transport); + transport = null; + this.upgrading = false; + this.flush(); + }); + } + else { + debug('probe transport "%s" failed', name); + const err = new Error("probe error"); + // @ts-ignore + err.transport = transport.name; + this.emitReserved("upgradeError", err); + } + }); + }; + function freezeTransport() { + if (failed) + return; + // Any callback called by transport should be ignored since now + failed = true; + cleanup(); + transport.close(); + transport = null; + } + // Handle any error that happens while probing + const onerror = (err) => { + const error = new Error("probe error: " + err); + // @ts-ignore + error.transport = transport.name; + freezeTransport(); + debug('probe transport "%s" failed because of error: %s', name, err); + this.emitReserved("upgradeError", error); + }; + function onTransportClose() { + onerror("transport closed"); + } + // When the socket is closed while we're probing + function onclose() { + onerror("socket closed"); + } + // When the socket is upgraded while we're probing + function onupgrade(to) { + if (transport && to.name !== transport.name) { + debug('"%s" works - aborting "%s"', to.name, transport.name); + freezeTransport(); + } + } + // Remove all listeners on the transport and on self + const cleanup = () => { + transport.removeListener("open", onTransportOpen); + transport.removeListener("error", onerror); + transport.removeListener("close", onTransportClose); + this.off("close", onclose); + this.off("upgrading", onupgrade); + }; + transport.once("open", onTransportOpen); + transport.once("error", onerror); + transport.once("close", onTransportClose); + this.once("close", onclose); + this.once("upgrading", onupgrade); + if (this.upgrades.indexOf("webtransport") !== -1 && + name !== "webtransport") { + // favor WebTransport + this.setTimeoutFn(() => { + if (!failed) { + transport.open(); + } + }, 200); + } + else { + transport.open(); + } + } + /** + * Called when connection is deemed open. + * + * @private + */ + onOpen() { + debug("socket open"); + this.readyState = "open"; + Socket.priorWebsocketSuccess = "websocket" === this.transport.name; + this.emitReserved("open"); + this.flush(); + // we check for `readyState` in case an `open` + // listener already closed the socket + if ("open" === this.readyState && this.opts.upgrade) { + debug("starting upgrade probes"); + let i = 0; + const l = this.upgrades.length; + for (; i < l; i++) { + this.probe(this.upgrades[i]); + } + } + } + /** + * Handles a packet. + * + * @private + */ + onPacket(packet) { + if ("opening" === this.readyState || + "open" === this.readyState || + "closing" === this.readyState) { + debug('socket receive: type "%s", data "%s"', packet.type, packet.data); + this.emitReserved("packet", packet); + // Socket is live - any packet counts + this.emitReserved("heartbeat"); + this.resetPingTimeout(); + switch (packet.type) { + case "open": + this.onHandshake(JSON.parse(packet.data)); + break; + case "ping": + this.sendPacket("pong"); + this.emitReserved("ping"); + this.emitReserved("pong"); + break; + case "error": + const err = new Error("server error"); + // @ts-ignore + err.code = packet.data; + this.onError(err); + break; + case "message": + this.emitReserved("data", packet.data); + this.emitReserved("message", packet.data); + break; + } + } + else { + debug('packet received with socket readyState "%s"', this.readyState); + } + } + /** + * Called upon handshake completion. + * + * @param {Object} data - handshake obj + * @private + */ + onHandshake(data) { + this.emitReserved("handshake", data); + this.id = data.sid; + this.transport.query.sid = data.sid; + this.upgrades = this.filterUpgrades(data.upgrades); + this.pingInterval = data.pingInterval; + this.pingTimeout = data.pingTimeout; + this.maxPayload = data.maxPayload; + this.onOpen(); + // In case open handler closes socket + if ("closed" === this.readyState) + return; + this.resetPingTimeout(); + } + /** + * Sets and resets ping timeout timer based on server pings. + * + * @private + */ + resetPingTimeout() { + this.clearTimeoutFn(this.pingTimeoutTimer); + this.pingTimeoutTimer = this.setTimeoutFn(() => { + this.onClose("ping timeout"); + }, this.pingInterval + this.pingTimeout); + if (this.opts.autoUnref) { + this.pingTimeoutTimer.unref(); + } + } + /** + * Called on `drain` event + * + * @private + */ + onDrain() { + this.writeBuffer.splice(0, this.prevBufferLen); + // setting prevBufferLen = 0 is very important + // for example, when upgrading, upgrade packet is sent over, + // and a nonzero prevBufferLen could cause problems on `drain` + this.prevBufferLen = 0; + if (0 === this.writeBuffer.length) { + this.emitReserved("drain"); + } + else { + this.flush(); + } + } + /** + * Flush write buffers. + * + * @private + */ + flush() { + if ("closed" !== this.readyState && + this.transport.writable && + !this.upgrading && + this.writeBuffer.length) { + const packets = this.getWritablePackets(); + debug("flushing %d packets in socket", packets.length); + this.transport.send(packets); + // keep track of current length of writeBuffer + // splice writeBuffer and callbackBuffer on `drain` + this.prevBufferLen = packets.length; + this.emitReserved("flush"); + } + } + /** + * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP + * long-polling) + * + * @private + */ + getWritablePackets() { + const shouldCheckPayloadSize = this.maxPayload && + this.transport.name === "polling" && + this.writeBuffer.length > 1; + if (!shouldCheckPayloadSize) { + return this.writeBuffer; + } + let payloadSize = 1; // first packet type + for (let i = 0; i < this.writeBuffer.length; i++) { + const data = this.writeBuffer[i].data; + if (data) { + payloadSize += byteLength(data); + } + if (i > 0 && payloadSize > this.maxPayload) { + debug("only send %d out of %d packets", i, this.writeBuffer.length); + return this.writeBuffer.slice(0, i); + } + payloadSize += 2; // separator + packet type + } + debug("payload size is %d (max: %d)", payloadSize, this.maxPayload); + return this.writeBuffer; + } + /** + * Sends a message. + * + * @param {String} msg - message. + * @param {Object} options. + * @param {Function} callback function. + * @return {Socket} for chaining. + */ + write(msg, options, fn) { + this.sendPacket("message", msg, options, fn); + return this; + } + send(msg, options, fn) { + this.sendPacket("message", msg, options, fn); + return this; + } + /** + * Sends a packet. + * + * @param {String} type: packet type. + * @param {String} data. + * @param {Object} options. + * @param {Function} fn - callback function. + * @private + */ + sendPacket(type, data, options, fn) { + if ("function" === typeof data) { + fn = data; + data = undefined; + } + if ("function" === typeof options) { + fn = options; + options = null; + } + if ("closing" === this.readyState || "closed" === this.readyState) { + return; + } + options = options || {}; + options.compress = false !== options.compress; + const packet = { + type: type, + data: data, + options: options, + }; + this.emitReserved("packetCreate", packet); + this.writeBuffer.push(packet); + if (fn) + this.once("flush", fn); + this.flush(); + } + /** + * Closes the connection. + */ + close() { + const close = () => { + this.onClose("forced close"); + debug("socket closing - telling transport to close"); + this.transport.close(); + }; + const cleanupAndClose = () => { + this.off("upgrade", cleanupAndClose); + this.off("upgradeError", cleanupAndClose); + close(); + }; + const waitForUpgrade = () => { + // wait for upgrade to finish since we can't send packets while pausing a transport + this.once("upgrade", cleanupAndClose); + this.once("upgradeError", cleanupAndClose); + }; + if ("opening" === this.readyState || "open" === this.readyState) { + this.readyState = "closing"; + if (this.writeBuffer.length) { + this.once("drain", () => { + if (this.upgrading) { + waitForUpgrade(); + } + else { + close(); + } + }); + } + else if (this.upgrading) { + waitForUpgrade(); + } + else { + close(); + } + } + return this; + } + /** + * Called upon transport error + * + * @private + */ + onError(err) { + debug("socket error %j", err); + Socket.priorWebsocketSuccess = false; + this.emitReserved("error", err); + this.onClose("transport error", err); + } + /** + * Called upon transport close. + * + * @private + */ + onClose(reason, description) { + if ("opening" === this.readyState || + "open" === this.readyState || + "closing" === this.readyState) { + debug('socket close with reason: "%s"', reason); + // clear timers + this.clearTimeoutFn(this.pingTimeoutTimer); + // stop event from firing again for transport + this.transport.removeAllListeners("close"); + // ensure transport won't stay open + this.transport.close(); + // ignore further transport communication + this.transport.removeAllListeners(); + if (typeof removeEventListener === "function") { + removeEventListener("beforeunload", this.beforeunloadEventListener, false); + removeEventListener("offline", this.offlineEventListener, false); + } + // set ready state + this.readyState = "closed"; + // clear session id + this.id = null; + // emit close event + this.emitReserved("close", reason, description); + // clean buffers after, so users can still + // grab the buffers on `close` event + this.writeBuffer = []; + this.prevBufferLen = 0; + } + } + /** + * Filters upgrades, returning only those matching client transports. + * + * @param {Array} upgrades - server upgrades + * @private + */ + filterUpgrades(upgrades) { + const filteredUpgrades = []; + let i = 0; + const j = upgrades.length; + for (; i < j; i++) { + if (~this.transports.indexOf(upgrades[i])) + filteredUpgrades.push(upgrades[i]); + } + return filteredUpgrades; + } +} +Socket.protocol = protocol; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transport.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transport.d.ts new file mode 100644 index 00000000..6ef488b9 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transport.d.ts @@ -0,0 +1,106 @@ +import type { Packet, RawData } from "engine.io-parser"; +import { Emitter } from "@socket.io/component-emitter"; +import { SocketOptions } from "./socket.js"; +export declare class TransportError extends Error { + readonly description: any; + readonly context: any; + readonly type = "TransportError"; + constructor(reason: string, description: any, context: any); +} +export interface CloseDetails { + description: string; + context?: unknown; +} +interface TransportReservedEvents { + open: () => void; + error: (err: TransportError) => void; + packet: (packet: Packet) => void; + close: (details?: CloseDetails) => void; + poll: () => void; + pollComplete: () => void; + drain: () => void; +} +type TransportState = "opening" | "open" | "closed" | "pausing" | "paused"; +export declare abstract class Transport extends Emitter, Record, TransportReservedEvents> { + query: Record; + writable: boolean; + protected opts: SocketOptions; + protected supportsBinary: boolean; + protected readyState: TransportState; + protected socket: any; + protected setTimeoutFn: typeof setTimeout; + /** + * Transport abstract constructor. + * + * @param {Object} opts - options + * @protected + */ + constructor(opts: any); + /** + * Emits an error. + * + * @param {String} reason + * @param description + * @param context - the error context + * @return {Transport} for chaining + * @protected + */ + protected onError(reason: string, description: any, context?: any): this; + /** + * Opens the transport. + */ + open(): this; + /** + * Closes the transport. + */ + close(): this; + /** + * Sends multiple packets. + * + * @param {Array} packets + */ + send(packets: any): void; + /** + * Called upon open + * + * @protected + */ + protected onOpen(): void; + /** + * Called with data. + * + * @param {String} data + * @protected + */ + protected onData(data: RawData): void; + /** + * Called with a decoded packet. + * + * @protected + */ + protected onPacket(packet: Packet): void; + /** + * Called upon close. + * + * @protected + */ + protected onClose(details?: CloseDetails): void; + /** + * The name of the transport + */ + abstract get name(): string; + /** + * Pauses the transport, in order not to lose packets during an upgrade. + * + * @param onPause + */ + pause(onPause: () => void): void; + protected createUri(schema: string, query?: Record): string; + private _hostname; + private _port; + private _query; + protected abstract doOpen(): any; + protected abstract doClose(): any; + protected abstract write(packets: Packet[]): any; +} +export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transport.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transport.js new file mode 100644 index 00000000..26b3d35a --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transport.js @@ -0,0 +1,144 @@ +import { decodePacket } from "engine.io-parser"; +import { Emitter } from "@socket.io/component-emitter"; +import { installTimerFunctions } from "./util.js"; +import debugModule from "debug"; // debug() +import { encode } from "./contrib/parseqs.js"; +const debug = debugModule("engine.io-client:transport"); // debug() +export class TransportError extends Error { + constructor(reason, description, context) { + super(reason); + this.description = description; + this.context = context; + this.type = "TransportError"; + } +} +export class Transport extends Emitter { + /** + * Transport abstract constructor. + * + * @param {Object} opts - options + * @protected + */ + constructor(opts) { + super(); + this.writable = false; + installTimerFunctions(this, opts); + this.opts = opts; + this.query = opts.query; + this.socket = opts.socket; + } + /** + * Emits an error. + * + * @param {String} reason + * @param description + * @param context - the error context + * @return {Transport} for chaining + * @protected + */ + onError(reason, description, context) { + super.emitReserved("error", new TransportError(reason, description, context)); + return this; + } + /** + * Opens the transport. + */ + open() { + this.readyState = "opening"; + this.doOpen(); + return this; + } + /** + * Closes the transport. + */ + close() { + if (this.readyState === "opening" || this.readyState === "open") { + this.doClose(); + this.onClose(); + } + return this; + } + /** + * Sends multiple packets. + * + * @param {Array} packets + */ + send(packets) { + if (this.readyState === "open") { + this.write(packets); + } + else { + // this might happen if the transport was silently closed in the beforeunload event handler + debug("transport is not open, discarding packets"); + } + } + /** + * Called upon open + * + * @protected + */ + onOpen() { + this.readyState = "open"; + this.writable = true; + super.emitReserved("open"); + } + /** + * Called with data. + * + * @param {String} data + * @protected + */ + onData(data) { + const packet = decodePacket(data, this.socket.binaryType); + this.onPacket(packet); + } + /** + * Called with a decoded packet. + * + * @protected + */ + onPacket(packet) { + super.emitReserved("packet", packet); + } + /** + * Called upon close. + * + * @protected + */ + onClose(details) { + this.readyState = "closed"; + super.emitReserved("close", details); + } + /** + * Pauses the transport, in order not to lose packets during an upgrade. + * + * @param onPause + */ + pause(onPause) { } + createUri(schema, query = {}) { + return (schema + + "://" + + this._hostname() + + this._port() + + this.opts.path + + this._query(query)); + } + _hostname() { + const hostname = this.opts.hostname; + return hostname.indexOf(":") === -1 ? hostname : "[" + hostname + "]"; + } + _port() { + if (this.opts.port && + ((this.opts.secure && Number(this.opts.port !== 443)) || + (!this.opts.secure && Number(this.opts.port) !== 80))) { + return ":" + this.opts.port; + } + else { + return ""; + } + } + _query(query) { + const encodedQuery = encode(query); + return encodedQuery.length ? "?" + encodedQuery : ""; + } +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/index.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/index.d.ts new file mode 100644 index 00000000..6617f8ce --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/index.d.ts @@ -0,0 +1,8 @@ +import { Polling } from "./polling.js"; +import { WS } from "./websocket.js"; +import { WT } from "./webtransport.js"; +export declare const transports: { + websocket: typeof WS; + webtransport: typeof WT; + polling: typeof Polling; +}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/index.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/index.js new file mode 100644 index 00000000..c2d59409 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/index.js @@ -0,0 +1,8 @@ +import { Polling } from "./polling.js"; +import { WS } from "./websocket.js"; +import { WT } from "./webtransport.js"; +export const transports = { + websocket: WS, + webtransport: WT, + polling: Polling, +}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/polling.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/polling.d.ts new file mode 100644 index 00000000..176ce57a --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/polling.d.ts @@ -0,0 +1,137 @@ +import { Transport } from "../transport.js"; +import { RawData } from "engine.io-parser"; +import { Emitter } from "@socket.io/component-emitter"; +export declare class Polling extends Transport { + private readonly xd; + private polling; + private pollXhr; + private cookieJar?; + /** + * XHR Polling constructor. + * + * @param {Object} opts + * @package + */ + constructor(opts: any); + get name(): string; + /** + * Opens the socket (triggers polling). We write a PING message to determine + * when the transport is open. + * + * @protected + */ + doOpen(): void; + /** + * Pauses polling. + * + * @param {Function} onPause - callback upon buffers are flushed and transport is paused + * @package + */ + pause(onPause: any): void; + /** + * Starts polling cycle. + * + * @private + */ + poll(): void; + /** + * Overloads onData to detect payloads. + * + * @protected + */ + onData(data: any): void; + /** + * For polling, send a close packet. + * + * @protected + */ + doClose(): void; + /** + * Writes a packets payload. + * + * @param {Array} packets - data packets + * @protected + */ + write(packets: any): void; + /** + * Generates uri for connection. + * + * @private + */ + private uri; + /** + * Creates a request. + * + * @param {String} method + * @private + */ + request(opts?: {}): Request; + /** + * Sends data. + * + * @param {String} data to send. + * @param {Function} called upon flush. + * @private + */ + private doWrite; + /** + * Starts a poll cycle. + * + * @private + */ + private doPoll; +} +interface RequestReservedEvents { + success: () => void; + data: (data: RawData) => void; + error: (err: number | Error, context: unknown) => void; +} +export declare class Request extends Emitter<{}, {}, RequestReservedEvents> { + private readonly opts; + private readonly method; + private readonly uri; + private readonly data; + private xhr; + private setTimeoutFn; + private index; + static requestsCount: number; + static requests: {}; + /** + * Request constructor + * + * @param {Object} options + * @package + */ + constructor(uri: any, opts: any); + /** + * Creates the XHR object and sends the request. + * + * @private + */ + private create; + /** + * Called upon error. + * + * @private + */ + private onError; + /** + * Cleans up house. + * + * @private + */ + private cleanup; + /** + * Called upon load. + * + * @private + */ + private onLoad; + /** + * Aborts the request. + * + * @package + */ + abort(): void; +} +export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/polling.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/polling.js new file mode 100644 index 00000000..c52b9015 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/polling.js @@ -0,0 +1,406 @@ +import { Transport } from "../transport.js"; +import debugModule from "debug"; // debug() +import { yeast } from "../contrib/yeast.js"; +import { encodePayload, decodePayload } from "engine.io-parser"; +import { createCookieJar, XHR as XMLHttpRequest, } from "./xmlhttprequest.js"; +import { Emitter } from "@socket.io/component-emitter"; +import { installTimerFunctions, pick } from "../util.js"; +import { globalThisShim as globalThis } from "../globalThis.js"; +const debug = debugModule("engine.io-client:polling"); // debug() +function empty() { } +const hasXHR2 = (function () { + const xhr = new XMLHttpRequest({ + xdomain: false, + }); + return null != xhr.responseType; +})(); +export class Polling extends Transport { + /** + * XHR Polling constructor. + * + * @param {Object} opts + * @package + */ + constructor(opts) { + super(opts); + this.polling = false; + if (typeof location !== "undefined") { + const isSSL = "https:" === location.protocol; + let port = location.port; + // some user agents have empty `location.port` + if (!port) { + port = isSSL ? "443" : "80"; + } + this.xd = + (typeof location !== "undefined" && + opts.hostname !== location.hostname) || + port !== opts.port; + } + /** + * XHR supports binary + */ + const forceBase64 = opts && opts.forceBase64; + this.supportsBinary = hasXHR2 && !forceBase64; + if (this.opts.withCredentials) { + this.cookieJar = createCookieJar(); + } + } + get name() { + return "polling"; + } + /** + * Opens the socket (triggers polling). We write a PING message to determine + * when the transport is open. + * + * @protected + */ + doOpen() { + this.poll(); + } + /** + * Pauses polling. + * + * @param {Function} onPause - callback upon buffers are flushed and transport is paused + * @package + */ + pause(onPause) { + this.readyState = "pausing"; + const pause = () => { + debug("paused"); + this.readyState = "paused"; + onPause(); + }; + if (this.polling || !this.writable) { + let total = 0; + if (this.polling) { + debug("we are currently polling - waiting to pause"); + total++; + this.once("pollComplete", function () { + debug("pre-pause polling complete"); + --total || pause(); + }); + } + if (!this.writable) { + debug("we are currently writing - waiting to pause"); + total++; + this.once("drain", function () { + debug("pre-pause writing complete"); + --total || pause(); + }); + } + } + else { + pause(); + } + } + /** + * Starts polling cycle. + * + * @private + */ + poll() { + debug("polling"); + this.polling = true; + this.doPoll(); + this.emitReserved("poll"); + } + /** + * Overloads onData to detect payloads. + * + * @protected + */ + onData(data) { + debug("polling got data %s", data); + const callback = (packet) => { + // if its the first message we consider the transport open + if ("opening" === this.readyState && packet.type === "open") { + this.onOpen(); + } + // if its a close packet, we close the ongoing requests + if ("close" === packet.type) { + this.onClose({ description: "transport closed by the server" }); + return false; + } + // otherwise bypass onData and handle the message + this.onPacket(packet); + }; + // decode payload + decodePayload(data, this.socket.binaryType).forEach(callback); + // if an event did not trigger closing + if ("closed" !== this.readyState) { + // if we got data we're not polling + this.polling = false; + this.emitReserved("pollComplete"); + if ("open" === this.readyState) { + this.poll(); + } + else { + debug('ignoring poll - transport state "%s"', this.readyState); + } + } + } + /** + * For polling, send a close packet. + * + * @protected + */ + doClose() { + const close = () => { + debug("writing close packet"); + this.write([{ type: "close" }]); + }; + if ("open" === this.readyState) { + debug("transport open - closing"); + close(); + } + else { + // in case we're trying to close while + // handshaking is in progress (GH-164) + debug("transport not open - deferring close"); + this.once("open", close); + } + } + /** + * Writes a packets payload. + * + * @param {Array} packets - data packets + * @protected + */ + write(packets) { + this.writable = false; + encodePayload(packets, (data) => { + this.doWrite(data, () => { + this.writable = true; + this.emitReserved("drain"); + }); + }); + } + /** + * Generates uri for connection. + * + * @private + */ + uri() { + const schema = this.opts.secure ? "https" : "http"; + const query = this.query || {}; + // cache busting is forced + if (false !== this.opts.timestampRequests) { + query[this.opts.timestampParam] = yeast(); + } + if (!this.supportsBinary && !query.sid) { + query.b64 = 1; + } + return this.createUri(schema, query); + } + /** + * Creates a request. + * + * @param {String} method + * @private + */ + request(opts = {}) { + Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts); + return new Request(this.uri(), opts); + } + /** + * Sends data. + * + * @param {String} data to send. + * @param {Function} called upon flush. + * @private + */ + doWrite(data, fn) { + const req = this.request({ + method: "POST", + data: data, + }); + req.on("success", fn); + req.on("error", (xhrStatus, context) => { + this.onError("xhr post error", xhrStatus, context); + }); + } + /** + * Starts a poll cycle. + * + * @private + */ + doPoll() { + debug("xhr poll"); + const req = this.request(); + req.on("data", this.onData.bind(this)); + req.on("error", (xhrStatus, context) => { + this.onError("xhr poll error", xhrStatus, context); + }); + this.pollXhr = req; + } +} +export class Request extends Emitter { + /** + * Request constructor + * + * @param {Object} options + * @package + */ + constructor(uri, opts) { + super(); + installTimerFunctions(this, opts); + this.opts = opts; + this.method = opts.method || "GET"; + this.uri = uri; + this.data = undefined !== opts.data ? opts.data : null; + this.create(); + } + /** + * Creates the XHR object and sends the request. + * + * @private + */ + create() { + var _a; + const opts = pick(this.opts, "agent", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "autoUnref"); + opts.xdomain = !!this.opts.xd; + const xhr = (this.xhr = new XMLHttpRequest(opts)); + try { + debug("xhr open %s: %s", this.method, this.uri); + xhr.open(this.method, this.uri, true); + try { + if (this.opts.extraHeaders) { + xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true); + for (let i in this.opts.extraHeaders) { + if (this.opts.extraHeaders.hasOwnProperty(i)) { + xhr.setRequestHeader(i, this.opts.extraHeaders[i]); + } + } + } + } + catch (e) { } + if ("POST" === this.method) { + try { + xhr.setRequestHeader("Content-type", "text/plain;charset=UTF-8"); + } + catch (e) { } + } + try { + xhr.setRequestHeader("Accept", "*/*"); + } + catch (e) { } + (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr); + // ie6 check + if ("withCredentials" in xhr) { + xhr.withCredentials = this.opts.withCredentials; + } + if (this.opts.requestTimeout) { + xhr.timeout = this.opts.requestTimeout; + } + xhr.onreadystatechange = () => { + var _a; + if (xhr.readyState === 3) { + (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr); + } + if (4 !== xhr.readyState) + return; + if (200 === xhr.status || 1223 === xhr.status) { + this.onLoad(); + } + else { + // make sure the `error` event handler that's user-set + // does not throw in the same tick and gets caught here + this.setTimeoutFn(() => { + this.onError(typeof xhr.status === "number" ? xhr.status : 0); + }, 0); + } + }; + debug("xhr data %s", this.data); + xhr.send(this.data); + } + catch (e) { + // Need to defer since .create() is called directly from the constructor + // and thus the 'error' event can only be only bound *after* this exception + // occurs. Therefore, also, we cannot throw here at all. + this.setTimeoutFn(() => { + this.onError(e); + }, 0); + return; + } + if (typeof document !== "undefined") { + this.index = Request.requestsCount++; + Request.requests[this.index] = this; + } + } + /** + * Called upon error. + * + * @private + */ + onError(err) { + this.emitReserved("error", err, this.xhr); + this.cleanup(true); + } + /** + * Cleans up house. + * + * @private + */ + cleanup(fromError) { + if ("undefined" === typeof this.xhr || null === this.xhr) { + return; + } + this.xhr.onreadystatechange = empty; + if (fromError) { + try { + this.xhr.abort(); + } + catch (e) { } + } + if (typeof document !== "undefined") { + delete Request.requests[this.index]; + } + this.xhr = null; + } + /** + * Called upon load. + * + * @private + */ + onLoad() { + const data = this.xhr.responseText; + if (data !== null) { + this.emitReserved("data", data); + this.emitReserved("success"); + this.cleanup(); + } + } + /** + * Aborts the request. + * + * @package + */ + abort() { + this.cleanup(); + } +} +Request.requestsCount = 0; +Request.requests = {}; +/** + * Aborts pending requests when unloading the window. This is needed to prevent + * memory leaks (e.g. when using IE) and to ensure that no spurious error is + * emitted. + */ +if (typeof document !== "undefined") { + // @ts-ignore + if (typeof attachEvent === "function") { + // @ts-ignore + attachEvent("onunload", unloadHandler); + } + else if (typeof addEventListener === "function") { + const terminationEvent = "onpagehide" in globalThis ? "pagehide" : "unload"; + addEventListener(terminationEvent, unloadHandler, false); + } +} +function unloadHandler() { + for (let i in Request.requests) { + if (Request.requests.hasOwnProperty(i)) { + Request.requests[i].abort(); + } + } +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.browser.d.ts new file mode 100644 index 00000000..4f1b60e9 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.browser.d.ts @@ -0,0 +1,4 @@ +export declare const nextTick: (cb: any, setTimeoutFn: any) => any; +export declare const WebSocket: any; +export declare const usingBrowserWebSocket = true; +export declare const defaultBinaryType = "arraybuffer"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.browser.js new file mode 100644 index 00000000..481fae90 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.browser.js @@ -0,0 +1,13 @@ +import { globalThisShim as globalThis } from "../globalThis.js"; +export const nextTick = (() => { + const isPromiseAvailable = typeof Promise === "function" && typeof Promise.resolve === "function"; + if (isPromiseAvailable) { + return (cb) => Promise.resolve().then(cb); + } + else { + return (cb, setTimeoutFn) => setTimeoutFn(cb, 0); + } +})(); +export const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket; +export const usingBrowserWebSocket = true; +export const defaultBinaryType = "arraybuffer"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.d.ts new file mode 100644 index 00000000..55095005 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.d.ts @@ -0,0 +1,4 @@ +export declare const WebSocket: any; +export declare const usingBrowserWebSocket = false; +export declare const defaultBinaryType = "nodebuffer"; +export declare const nextTick: (callback: Function, ...args: any[]) => void; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.js new file mode 100644 index 00000000..fd0f46eb --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.js @@ -0,0 +1,5 @@ +import ws from "ws"; +export const WebSocket = ws; +export const usingBrowserWebSocket = false; +export const defaultBinaryType = "nodebuffer"; +export const nextTick = process.nextTick; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket.d.ts new file mode 100644 index 00000000..30dfe291 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket.d.ts @@ -0,0 +1,34 @@ +import { Transport } from "../transport.js"; +export declare class WS extends Transport { + private ws; + /** + * WebSocket transport constructor. + * + * @param {Object} opts - connection options + * @protected + */ + constructor(opts: any); + get name(): string; + doOpen(): this; + /** + * Adds event listeners to the socket + * + * @private + */ + private addEventListeners; + write(packets: any): void; + doClose(): void; + /** + * Generates uri for connection. + * + * @private + */ + private uri; + /** + * Feature detection for WebSocket. + * + * @return {Boolean} whether this transport is available. + * @private + */ + private check; +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket.js new file mode 100644 index 00000000..afca3747 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket.js @@ -0,0 +1,155 @@ +import { Transport } from "../transport.js"; +import { yeast } from "../contrib/yeast.js"; +import { pick } from "../util.js"; +import { nextTick, usingBrowserWebSocket, WebSocket, } from "./websocket-constructor.js"; +import debugModule from "debug"; // debug() +import { encodePacket } from "engine.io-parser"; +const debug = debugModule("engine.io-client:websocket"); // debug() +// detect ReactNative environment +const isReactNative = typeof navigator !== "undefined" && + typeof navigator.product === "string" && + navigator.product.toLowerCase() === "reactnative"; +export class WS extends Transport { + /** + * WebSocket transport constructor. + * + * @param {Object} opts - connection options + * @protected + */ + constructor(opts) { + super(opts); + this.supportsBinary = !opts.forceBase64; + } + get name() { + return "websocket"; + } + doOpen() { + if (!this.check()) { + // let probe timeout + return; + } + const uri = this.uri(); + const protocols = this.opts.protocols; + // React Native only supports the 'headers' option, and will print a warning if anything else is passed + const opts = isReactNative + ? {} + : pick(this.opts, "agent", "perMessageDeflate", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "localAddress", "protocolVersion", "origin", "maxPayload", "family", "checkServerIdentity"); + if (this.opts.extraHeaders) { + opts.headers = this.opts.extraHeaders; + } + try { + this.ws = + usingBrowserWebSocket && !isReactNative + ? protocols + ? new WebSocket(uri, protocols) + : new WebSocket(uri) + : new WebSocket(uri, protocols, opts); + } + catch (err) { + return this.emitReserved("error", err); + } + this.ws.binaryType = this.socket.binaryType; + this.addEventListeners(); + } + /** + * Adds event listeners to the socket + * + * @private + */ + addEventListeners() { + this.ws.onopen = () => { + if (this.opts.autoUnref) { + this.ws._socket.unref(); + } + this.onOpen(); + }; + this.ws.onclose = (closeEvent) => this.onClose({ + description: "websocket connection closed", + context: closeEvent, + }); + this.ws.onmessage = (ev) => this.onData(ev.data); + this.ws.onerror = (e) => this.onError("websocket error", e); + } + write(packets) { + this.writable = false; + // encodePacket efficient as it uses WS framing + // no need for encodePayload + for (let i = 0; i < packets.length; i++) { + const packet = packets[i]; + const lastPacket = i === packets.length - 1; + encodePacket(packet, this.supportsBinary, (data) => { + // always create a new object (GH-437) + const opts = {}; + if (!usingBrowserWebSocket) { + if (packet.options) { + opts.compress = packet.options.compress; + } + if (this.opts.perMessageDeflate) { + const len = + // @ts-ignore + "string" === typeof data ? Buffer.byteLength(data) : data.length; + if (len < this.opts.perMessageDeflate.threshold) { + opts.compress = false; + } + } + } + // Sometimes the websocket has already been closed but the browser didn't + // have a chance of informing us about it yet, in that case send will + // throw an error + try { + if (usingBrowserWebSocket) { + // TypeError is thrown when passing the second argument on Safari + this.ws.send(data); + } + else { + this.ws.send(data, opts); + } + } + catch (e) { + debug("websocket closed before onclose event"); + } + if (lastPacket) { + // fake drain + // defer to next tick to allow Socket to clear writeBuffer + nextTick(() => { + this.writable = true; + this.emitReserved("drain"); + }, this.setTimeoutFn); + } + }); + } + } + doClose() { + if (typeof this.ws !== "undefined") { + this.ws.close(); + this.ws = null; + } + } + /** + * Generates uri for connection. + * + * @private + */ + uri() { + const schema = this.opts.secure ? "wss" : "ws"; + const query = this.query || {}; + // append timestamp to URI + if (this.opts.timestampRequests) { + query[this.opts.timestampParam] = yeast(); + } + // communicate binary support capabilities + if (!this.supportsBinary) { + query.b64 = 1; + } + return this.createUri(schema, query); + } + /** + * Feature detection for WebSocket. + * + * @return {Boolean} whether this transport is available. + * @private + */ + check() { + return !!WebSocket; + } +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/webtransport.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/webtransport.d.ts new file mode 100644 index 00000000..093d6605 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/webtransport.d.ts @@ -0,0 +1,10 @@ +import { Transport } from "../transport.js"; +import { Packet } from "engine.io-parser"; +export declare class WT extends Transport { + private transport; + private writer; + get name(): string; + protected doOpen(): void; + protected write(packets: Packet[]): void; + protected doClose(): void; +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/webtransport.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/webtransport.js new file mode 100644 index 00000000..db9235e4 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/webtransport.js @@ -0,0 +1,78 @@ +import { Transport } from "../transport.js"; +import { nextTick } from "./websocket-constructor.js"; +import { createPacketDecoderStream, createPacketEncoderStream, } from "engine.io-parser"; +import debugModule from "debug"; // debug() +const debug = debugModule("engine.io-client:webtransport"); // debug() +export class WT extends Transport { + get name() { + return "webtransport"; + } + doOpen() { + // @ts-ignore + if (typeof WebTransport !== "function") { + return; + } + // @ts-ignore + this.transport = new WebTransport(this.createUri("https"), this.opts.transportOptions[this.name]); + this.transport.closed + .then(() => { + debug("transport closed gracefully"); + this.onClose(); + }) + .catch((err) => { + debug("transport closed due to %s", err); + this.onError("webtransport error", err); + }); + // note: we could have used async/await, but that would require some additional polyfills + this.transport.ready.then(() => { + this.transport.createBidirectionalStream().then((stream) => { + const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType); + const reader = stream.readable.pipeThrough(decoderStream).getReader(); + const encoderStream = createPacketEncoderStream(); + encoderStream.readable.pipeTo(stream.writable); + this.writer = encoderStream.writable.getWriter(); + const read = () => { + reader + .read() + .then(({ done, value }) => { + if (done) { + debug("session is closed"); + return; + } + debug("received chunk: %o", value); + this.onPacket(value); + read(); + }) + .catch((err) => { + debug("an error occurred while reading: %s", err); + }); + }; + read(); + const packet = { type: "open" }; + if (this.query.sid) { + packet.data = `{"sid":"${this.query.sid}"}`; + } + this.writer.write(packet).then(() => this.onOpen()); + }); + }); + } + write(packets) { + this.writable = false; + for (let i = 0; i < packets.length; i++) { + const packet = packets[i]; + const lastPacket = i === packets.length - 1; + this.writer.write(packet).then(() => { + if (lastPacket) { + nextTick(() => { + this.writable = true; + this.emitReserved("drain"); + }, this.setTimeoutFn); + } + }); + } + } + doClose() { + var _a; + (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close(); + } +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.browser.d.ts new file mode 100644 index 00000000..cb475422 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.browser.d.ts @@ -0,0 +1,2 @@ +export declare function XHR(opts: any): any; +export declare function createCookieJar(): void; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.browser.js new file mode 100644 index 00000000..8c54fc86 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.browser.js @@ -0,0 +1,20 @@ +// browser shim for xmlhttprequest module +import { hasCORS } from "../contrib/has-cors.js"; +import { globalThisShim as globalThis } from "../globalThis.js"; +export function XHR(opts) { + const xdomain = opts.xdomain; + // XMLHttpRequest can be disabled on IE + try { + if ("undefined" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) { + return new XMLHttpRequest(); + } + } + catch (e) { } + if (!xdomain) { + try { + return new globalThis[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP"); + } + catch (e) { } + } +} +export function createCookieJar() { } diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.d.ts new file mode 100644 index 00000000..f2af011a --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.d.ts @@ -0,0 +1,17 @@ +export declare const XHR: any; +export declare function createCookieJar(): CookieJar; +interface Cookie { + name: string; + value: string; + expires?: Date; +} +/** + * @see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie + */ +export declare function parse(setCookieString: string): Cookie; +export declare class CookieJar { + private cookies; + parseCookies(xhr: any): void; + addCookies(xhr: any): void; +} +export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.js new file mode 100644 index 00000000..590c2680 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.js @@ -0,0 +1,82 @@ +import * as XMLHttpRequestModule from "xmlhttprequest-ssl"; +export const XHR = XMLHttpRequestModule.default || XMLHttpRequestModule; +export function createCookieJar() { + return new CookieJar(); +} +/** + * @see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie + */ +export function parse(setCookieString) { + const parts = setCookieString.split("; "); + const i = parts[0].indexOf("="); + if (i === -1) { + return; + } + const name = parts[0].substring(0, i).trim(); + if (!name.length) { + return; + } + let value = parts[0].substring(i + 1).trim(); + if (value.charCodeAt(0) === 0x22) { + // remove double quotes + value = value.slice(1, -1); + } + const cookie = { + name, + value, + }; + for (let j = 1; j < parts.length; j++) { + const subParts = parts[j].split("="); + if (subParts.length !== 2) { + continue; + } + const key = subParts[0].trim(); + const value = subParts[1].trim(); + switch (key) { + case "Expires": + cookie.expires = new Date(value); + break; + case "Max-Age": + const expiration = new Date(); + expiration.setUTCSeconds(expiration.getUTCSeconds() + parseInt(value, 10)); + cookie.expires = expiration; + break; + default: + // ignore other keys + } + } + return cookie; +} +export class CookieJar { + constructor() { + this.cookies = new Map(); + } + parseCookies(xhr) { + const values = xhr.getResponseHeader("set-cookie"); + if (!values) { + return; + } + values.forEach((value) => { + const parsed = parse(value); + if (parsed) { + this.cookies.set(parsed.name, parsed); + } + }); + } + addCookies(xhr) { + const cookies = []; + this.cookies.forEach((cookie, name) => { + var _a; + if (((_a = cookie.expires) === null || _a === void 0 ? void 0 : _a.getTime()) < Date.now()) { + this.cookies.delete(name); + } + else { + cookies.push(`${name}=${cookie.value}`); + } + }); + if (cookies.length) { + xhr.setDisableHeaderCheck(true); + xhr.setRequestHeader("cookie", cookies.join("; ")); + } + } +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/util.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/util.d.ts new file mode 100644 index 00000000..5921b7b7 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/util.d.ts @@ -0,0 +1,3 @@ +export declare function pick(obj: any, ...attr: any[]): any; +export declare function installTimerFunctions(obj: any, opts: any): void; +export declare function byteLength(obj: any): number; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/util.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/util.js new file mode 100644 index 00000000..243af585 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/util.js @@ -0,0 +1,52 @@ +import { globalThisShim as globalThis } from "./globalThis.js"; +export function pick(obj, ...attr) { + return attr.reduce((acc, k) => { + if (obj.hasOwnProperty(k)) { + acc[k] = obj[k]; + } + return acc; + }, {}); +} +// Keep a reference to the real timeout functions so they can be used when overridden +const NATIVE_SET_TIMEOUT = globalThis.setTimeout; +const NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout; +export function installTimerFunctions(obj, opts) { + if (opts.useNativeTimers) { + obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis); + obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis); + } + else { + obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis); + obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis); + } +} +// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64) +const BASE64_OVERHEAD = 1.33; +// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9 +export function byteLength(obj) { + if (typeof obj === "string") { + return utf8Length(obj); + } + // arraybuffer or blob + return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD); +} +function utf8Length(str) { + let c = 0, length = 0; + for (let i = 0, l = str.length; i < l; i++) { + c = str.charCodeAt(i); + if (c < 0x80) { + length += 1; + } + else if (c < 0x800) { + length += 2; + } + else if (c < 0xd800 || c >= 0xe000) { + length += 3; + } + else { + i++; + length += 4; + } + } + return length; +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/browser-entrypoint.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/browser-entrypoint.d.ts new file mode 100644 index 00000000..66bff7b2 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/browser-entrypoint.d.ts @@ -0,0 +1,3 @@ +import { Socket } from "./socket.js"; +declare const _default: (uri: any, opts: any) => Socket; +export default _default; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/browser-entrypoint.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/browser-entrypoint.js new file mode 100644 index 00000000..ca62e3e4 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/browser-entrypoint.js @@ -0,0 +1,2 @@ +import { Socket } from "./socket.js"; +export default (uri, opts) => new Socket(uri, opts); diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/has-cors.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/has-cors.d.ts new file mode 100644 index 00000000..346b0a5c --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/has-cors.d.ts @@ -0,0 +1 @@ +export declare const hasCORS: boolean; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/has-cors.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/has-cors.js new file mode 100644 index 00000000..4e3edf45 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/has-cors.js @@ -0,0 +1,11 @@ +// imported from https://github.com/component/has-cors +let value = false; +try { + value = typeof XMLHttpRequest !== 'undefined' && + 'withCredentials' in new XMLHttpRequest(); +} +catch (err) { + // if XMLHttp support is disabled in IE then it will throw + // when trying to create +} +export const hasCORS = value; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseqs.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseqs.d.ts new file mode 100644 index 00000000..528aab11 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseqs.d.ts @@ -0,0 +1,15 @@ +/** + * Compiles a querystring + * Returns string representation of the object + * + * @param {Object} + * @api private + */ +export declare function encode(obj: any): string; +/** + * Parses a simple querystring into an object + * + * @param {String} qs + * @api private + */ +export declare function decode(qs: any): {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseqs.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseqs.js new file mode 100644 index 00000000..aea0f7b8 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseqs.js @@ -0,0 +1,34 @@ +// imported from https://github.com/galkn/querystring +/** + * Compiles a querystring + * Returns string representation of the object + * + * @param {Object} + * @api private + */ +export function encode(obj) { + let str = ''; + for (let i in obj) { + if (obj.hasOwnProperty(i)) { + if (str.length) + str += '&'; + str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]); + } + } + return str; +} +/** + * Parses a simple querystring into an object + * + * @param {String} qs + * @api private + */ +export function decode(qs) { + let qry = {}; + let pairs = qs.split('&'); + for (let i = 0, l = pairs.length; i < l; i++) { + let pair = pairs[i].split('='); + qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]); + } + return qry; +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseuri.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseuri.d.ts new file mode 100644 index 00000000..9a7a14ae --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseuri.d.ts @@ -0,0 +1 @@ +export declare function parse(str: string): any; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseuri.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseuri.js new file mode 100644 index 00000000..fa0106fb --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseuri.js @@ -0,0 +1,64 @@ +// imported from https://github.com/galkn/parseuri +/** + * Parses a URI + * + * Note: we could also have used the built-in URL object, but it isn't supported on all platforms. + * + * See: + * - https://developer.mozilla.org/en-US/docs/Web/API/URL + * - https://caniuse.com/url + * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B + * + * History of the parse() method: + * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c + * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3 + * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242 + * + * @author Steven Levithan (MIT license) + * @api private + */ +const re = /^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/; +const parts = [ + 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor' +]; +export function parse(str) { + if (str.length > 2000) { + throw "URI too long"; + } + const src = str, b = str.indexOf('['), e = str.indexOf(']'); + if (b != -1 && e != -1) { + str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length); + } + let m = re.exec(str || ''), uri = {}, i = 14; + while (i--) { + uri[parts[i]] = m[i] || ''; + } + if (b != -1 && e != -1) { + uri.source = src; + uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':'); + uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':'); + uri.ipv6uri = true; + } + uri.pathNames = pathNames(uri, uri['path']); + uri.queryKey = queryKey(uri, uri['query']); + return uri; +} +function pathNames(obj, path) { + const regx = /\/{2,9}/g, names = path.replace(regx, "/").split("/"); + if (path.slice(0, 1) == '/' || path.length === 0) { + names.splice(0, 1); + } + if (path.slice(-1) == '/') { + names.splice(names.length - 1, 1); + } + return names; +} +function queryKey(uri, query) { + const data = {}; + query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) { + if ($1) { + data[$1] = $2; + } + }); + return data; +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/yeast.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/yeast.d.ts new file mode 100644 index 00000000..29b5b45e --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/yeast.d.ts @@ -0,0 +1,23 @@ +/** + * Return a string representing the specified number. + * + * @param {Number} num The number to convert. + * @returns {String} The string representation of the number. + * @api public + */ +export declare function encode(num: any): string; +/** + * Return the integer value specified by the given string. + * + * @param {String} str The string to convert. + * @returns {Number} The integer value represented by the string. + * @api public + */ +export declare function decode(str: any): number; +/** + * Yeast: A tiny growing id generator. + * + * @returns {String} A unique id. + * @api public + */ +export declare function yeast(): string; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/yeast.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/yeast.js new file mode 100644 index 00000000..e0910321 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/yeast.js @@ -0,0 +1,50 @@ +// imported from https://github.com/unshiftio/yeast +'use strict'; +const alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {}; +let seed = 0, i = 0, prev; +/** + * Return a string representing the specified number. + * + * @param {Number} num The number to convert. + * @returns {String} The string representation of the number. + * @api public + */ +export function encode(num) { + let encoded = ''; + do { + encoded = alphabet[num % length] + encoded; + num = Math.floor(num / length); + } while (num > 0); + return encoded; +} +/** + * Return the integer value specified by the given string. + * + * @param {String} str The string to convert. + * @returns {Number} The integer value represented by the string. + * @api public + */ +export function decode(str) { + let decoded = 0; + for (i = 0; i < str.length; i++) { + decoded = decoded * length + map[str.charAt(i)]; + } + return decoded; +} +/** + * Yeast: A tiny growing id generator. + * + * @returns {String} A unique id. + * @api public + */ +export function yeast() { + const now = encode(+new Date()); + if (now !== prev) + return seed = 0, prev = now; + return now + '.' + encode(seed++); +} +// +// Map each character to its index. +// +for (; i < length; i++) + map[alphabet[i]] = i; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.browser.d.ts new file mode 100644 index 00000000..28d0a7c5 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.browser.d.ts @@ -0,0 +1 @@ +export declare const globalThisShim: any; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.browser.js new file mode 100644 index 00000000..ac268995 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.browser.js @@ -0,0 +1,11 @@ +export const globalThisShim = (() => { + if (typeof self !== "undefined") { + return self; + } + else if (typeof window !== "undefined") { + return window; + } + else { + return Function("return this")(); + } +})(); diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.d.ts new file mode 100644 index 00000000..4b9b90ff --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.d.ts @@ -0,0 +1 @@ +export declare const globalThisShim: typeof globalThis; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.js new file mode 100644 index 00000000..27a616bd --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.js @@ -0,0 +1 @@ +export const globalThisShim = global; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/index.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/index.d.ts new file mode 100644 index 00000000..9e2dbd3c --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/index.d.ts @@ -0,0 +1,9 @@ +import { Socket } from "./socket.js"; +export { Socket }; +export { SocketOptions } from "./socket.js"; +export declare const protocol: number; +export { Transport, TransportError } from "./transport.js"; +export { transports } from "./transports/index.js"; +export { installTimerFunctions } from "./util.js"; +export { parse } from "./contrib/parseuri.js"; +export { nextTick } from "./transports/websocket-constructor.js"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/index.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/index.js new file mode 100644 index 00000000..532e15ac --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/index.js @@ -0,0 +1,8 @@ +import { Socket } from "./socket.js"; +export { Socket }; +export const protocol = Socket.protocol; +export { Transport, TransportError } from "./transport.js"; +export { transports } from "./transports/index.js"; +export { installTimerFunctions } from "./util.js"; +export { parse } from "./contrib/parseuri.js"; +export { nextTick } from "./transports/websocket-constructor.js"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/package.json b/examples/axum-echo/node_modules/engine.io-client/build/esm/package.json new file mode 100644 index 00000000..89498b3d --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/package.json @@ -0,0 +1,10 @@ +{ + "name": "engine.io-client", + "type": "module", + "browser": { + "ws": false, + "./transports/xmlhttprequest.js": "./transports/xmlhttprequest.browser.js", + "./transports/websocket-constructor.js": "./transports/websocket-constructor.browser.js", + "./globalThis.js": "./globalThis.browser.js" + } +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/socket.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/socket.d.ts new file mode 100644 index 00000000..027a0e37 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/socket.d.ts @@ -0,0 +1,362 @@ +import { Emitter } from "@socket.io/component-emitter"; +import type { Packet, BinaryType, RawData } from "engine.io-parser"; +import { CloseDetails, Transport } from "./transport.js"; +export interface SocketOptions { + /** + * The host that we're connecting to. Set from the URI passed when connecting + */ + host: string; + /** + * The hostname for our connection. Set from the URI passed when connecting + */ + hostname: string; + /** + * If this is a secure connection. Set from the URI passed when connecting + */ + secure: boolean; + /** + * The port for our connection. Set from the URI passed when connecting + */ + port: string | number; + /** + * Any query parameters in our uri. Set from the URI passed when connecting + */ + query: { + [key: string]: any; + }; + /** + * `http.Agent` to use, defaults to `false` (NodeJS only) + * + * Note: the type should be "undefined | http.Agent | https.Agent | false", but this would break browser-only clients. + * + * @see https://nodejs.org/api/http.html#httprequestoptions-callback + */ + agent: string | boolean; + /** + * Whether the client should try to upgrade the transport from + * long-polling to something better. + * @default true + */ + upgrade: boolean; + /** + * Forces base 64 encoding for polling transport even when XHR2 + * responseType is available and WebSocket even if the used standard + * supports binary. + */ + forceBase64: boolean; + /** + * The param name to use as our timestamp key + * @default 't' + */ + timestampParam: string; + /** + * Whether to add the timestamp with each transport request. Note: this + * is ignored if the browser is IE or Android, in which case requests + * are always stamped + * @default false + */ + timestampRequests: boolean; + /** + * A list of transports to try (in order). Engine.io always attempts to + * connect directly with the first one, provided the feature detection test + * for it passes. + * + * @default ['polling','websocket', 'webtransport'] + */ + transports: string[]; + /** + * If true and if the previous websocket connection to the server succeeded, + * the connection attempt will bypass the normal upgrade process and will + * initially try websocket. A connection attempt following a transport error + * will use the normal upgrade process. It is recommended you turn this on + * only when using SSL/TLS connections, or if you know that your network does + * not block websockets. + * @default false + */ + rememberUpgrade: boolean; + /** + * Are we only interested in transports that support binary? + */ + onlyBinaryUpgrades: boolean; + /** + * Timeout for xhr-polling requests in milliseconds (0) (only for polling transport) + */ + requestTimeout: number; + /** + * Transport options for Node.js client (headers etc) + */ + transportOptions: Object; + /** + * (SSL) Certificate, Private key and CA certificates to use for SSL. + * Can be used in Node.js client environment to manually specify + * certificate information. + */ + pfx: string; + /** + * (SSL) Private key to use for SSL. Can be used in Node.js client + * environment to manually specify certificate information. + */ + key: string; + /** + * (SSL) A string or passphrase for the private key or pfx. Can be + * used in Node.js client environment to manually specify certificate + * information. + */ + passphrase: string; + /** + * (SSL) Public x509 certificate to use. Can be used in Node.js client + * environment to manually specify certificate information. + */ + cert: string; + /** + * (SSL) An authority certificate or array of authority certificates to + * check the remote host against.. Can be used in Node.js client + * environment to manually specify certificate information. + */ + ca: string | string[]; + /** + * (SSL) A string describing the ciphers to use or exclude. Consult the + * [cipher format list] + * (http://www.openssl.org/docs/apps/ciphers.html#CIPHER_LIST_FORMAT) for + * details on the format.. Can be used in Node.js client environment to + * manually specify certificate information. + */ + ciphers: string; + /** + * (SSL) If true, the server certificate is verified against the list of + * supplied CAs. An 'error' event is emitted if verification fails. + * Verification happens at the connection level, before the HTTP request + * is sent. Can be used in Node.js client environment to manually specify + * certificate information. + */ + rejectUnauthorized: boolean; + /** + * Headers that will be passed for each request to the server (via xhr-polling and via websockets). + * These values then can be used during handshake or for special proxies. + */ + extraHeaders?: { + [header: string]: string; + }; + /** + * Whether to include credentials (cookies, authorization headers, TLS + * client certificates, etc.) with cross-origin XHR polling requests + * @default false + */ + withCredentials: boolean; + /** + * Whether to automatically close the connection whenever the beforeunload event is received. + * @default false + */ + closeOnBeforeunload: boolean; + /** + * Whether to always use the native timeouts. This allows the client to + * reconnect when the native timeout functions are overridden, such as when + * mock clocks are installed. + * @default false + */ + useNativeTimers: boolean; + /** + * weather we should unref the reconnect timer when it is + * create automatically + * @default false + */ + autoUnref: boolean; + /** + * parameters of the WebSocket permessage-deflate extension (see ws module api docs). Set to false to disable. + * @default false + */ + perMessageDeflate: { + threshold: number; + }; + /** + * The path to get our client file from, in the case of the server + * serving it + * @default '/engine.io' + */ + path: string; + /** + * Whether we should add a trailing slash to the request path. + * @default true + */ + addTrailingSlash: boolean; + /** + * Either a single protocol string or an array of protocol strings. These strings are used to indicate sub-protocols, + * so that a single server can implement multiple WebSocket sub-protocols (for example, you might want one server to + * be able to handle different types of interactions depending on the specified protocol) + * @default [] + */ + protocols: string | string[]; +} +interface HandshakeData { + sid: string; + upgrades: string[]; + pingInterval: number; + pingTimeout: number; + maxPayload: number; +} +interface SocketReservedEvents { + open: () => void; + handshake: (data: HandshakeData) => void; + packet: (packet: Packet) => void; + packetCreate: (packet: Packet) => void; + data: (data: any) => void; + message: (data: any) => void; + drain: () => void; + flush: () => void; + heartbeat: () => void; + ping: () => void; + pong: () => void; + error: (err: string | Error) => void; + upgrading: (transport: any) => void; + upgrade: (transport: any) => void; + upgradeError: (err: Error) => void; + close: (reason: string, description?: CloseDetails | Error) => void; +} +type SocketState = "opening" | "open" | "closing" | "closed"; +export declare class Socket extends Emitter, Record, SocketReservedEvents> { + id: string; + transport: Transport; + binaryType: BinaryType; + readyState: SocketState; + writeBuffer: Packet[]; + private prevBufferLen; + private upgrades; + private pingInterval; + private pingTimeout; + private pingTimeoutTimer; + private setTimeoutFn; + private clearTimeoutFn; + private readonly beforeunloadEventListener; + private readonly offlineEventListener; + private upgrading; + private maxPayload?; + private readonly opts; + private readonly secure; + private readonly hostname; + private readonly port; + private readonly transports; + static priorWebsocketSuccess: boolean; + static protocol: number; + /** + * Socket constructor. + * + * @param {String|Object} uri - uri or options + * @param {Object} opts - options + */ + constructor(uri: any, opts?: Partial); + /** + * Creates transport of the given type. + * + * @param {String} name - transport name + * @return {Transport} + * @private + */ + private createTransport; + /** + * Initializes transport to use and starts probe. + * + * @private + */ + private open; + /** + * Sets the current transport. Disables the existing one (if any). + * + * @private + */ + private setTransport; + /** + * Probes a transport. + * + * @param {String} name - transport name + * @private + */ + private probe; + /** + * Called when connection is deemed open. + * + * @private + */ + private onOpen; + /** + * Handles a packet. + * + * @private + */ + private onPacket; + /** + * Called upon handshake completion. + * + * @param {Object} data - handshake obj + * @private + */ + private onHandshake; + /** + * Sets and resets ping timeout timer based on server pings. + * + * @private + */ + private resetPingTimeout; + /** + * Called on `drain` event + * + * @private + */ + private onDrain; + /** + * Flush write buffers. + * + * @private + */ + private flush; + /** + * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP + * long-polling) + * + * @private + */ + private getWritablePackets; + /** + * Sends a message. + * + * @param {String} msg - message. + * @param {Object} options. + * @param {Function} callback function. + * @return {Socket} for chaining. + */ + write(msg: RawData, options?: any, fn?: any): this; + send(msg: RawData, options?: any, fn?: any): this; + /** + * Sends a packet. + * + * @param {String} type: packet type. + * @param {String} data. + * @param {Object} options. + * @param {Function} fn - callback function. + * @private + */ + private sendPacket; + /** + * Closes the connection. + */ + close(): this; + /** + * Called upon transport error + * + * @private + */ + private onError; + /** + * Called upon transport close. + * + * @private + */ + private onClose; + /** + * Filters upgrades, returning only those matching client transports. + * + * @param {Array} upgrades - server upgrades + * @private + */ + private filterUpgrades; +} +export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/socket.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/socket.js new file mode 100644 index 00000000..47187fbe --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/socket.js @@ -0,0 +1,594 @@ +import { transports } from "./transports/index.js"; +import { installTimerFunctions, byteLength } from "./util.js"; +import { decode } from "./contrib/parseqs.js"; +import { parse } from "./contrib/parseuri.js"; +import { Emitter } from "@socket.io/component-emitter"; +import { protocol } from "engine.io-parser"; +import { defaultBinaryType } from "./transports/websocket-constructor.js"; +export class Socket extends Emitter { + /** + * Socket constructor. + * + * @param {String|Object} uri - uri or options + * @param {Object} opts - options + */ + constructor(uri, opts = {}) { + super(); + this.binaryType = defaultBinaryType; + this.writeBuffer = []; + if (uri && "object" === typeof uri) { + opts = uri; + uri = null; + } + if (uri) { + uri = parse(uri); + opts.hostname = uri.host; + opts.secure = uri.protocol === "https" || uri.protocol === "wss"; + opts.port = uri.port; + if (uri.query) + opts.query = uri.query; + } + else if (opts.host) { + opts.hostname = parse(opts.host).host; + } + installTimerFunctions(this, opts); + this.secure = + null != opts.secure + ? opts.secure + : typeof location !== "undefined" && "https:" === location.protocol; + if (opts.hostname && !opts.port) { + // if no port is specified manually, use the protocol default + opts.port = this.secure ? "443" : "80"; + } + this.hostname = + opts.hostname || + (typeof location !== "undefined" ? location.hostname : "localhost"); + this.port = + opts.port || + (typeof location !== "undefined" && location.port + ? location.port + : this.secure + ? "443" + : "80"); + this.transports = opts.transports || [ + "polling", + "websocket", + "webtransport", + ]; + this.writeBuffer = []; + this.prevBufferLen = 0; + this.opts = Object.assign({ + path: "/engine.io", + agent: false, + withCredentials: false, + upgrade: true, + timestampParam: "t", + rememberUpgrade: false, + addTrailingSlash: true, + rejectUnauthorized: true, + perMessageDeflate: { + threshold: 1024, + }, + transportOptions: {}, + closeOnBeforeunload: false, + }, opts); + this.opts.path = + this.opts.path.replace(/\/$/, "") + + (this.opts.addTrailingSlash ? "/" : ""); + if (typeof this.opts.query === "string") { + this.opts.query = decode(this.opts.query); + } + // set on handshake + this.id = null; + this.upgrades = null; + this.pingInterval = null; + this.pingTimeout = null; + // set on heartbeat + this.pingTimeoutTimer = null; + if (typeof addEventListener === "function") { + if (this.opts.closeOnBeforeunload) { + // Firefox closes the connection when the "beforeunload" event is emitted but not Chrome. This event listener + // ensures every browser behaves the same (no "disconnect" event at the Socket.IO level when the page is + // closed/reloaded) + this.beforeunloadEventListener = () => { + if (this.transport) { + // silently close the transport + this.transport.removeAllListeners(); + this.transport.close(); + } + }; + addEventListener("beforeunload", this.beforeunloadEventListener, false); + } + if (this.hostname !== "localhost") { + this.offlineEventListener = () => { + this.onClose("transport close", { + description: "network connection lost", + }); + }; + addEventListener("offline", this.offlineEventListener, false); + } + } + this.open(); + } + /** + * Creates transport of the given type. + * + * @param {String} name - transport name + * @return {Transport} + * @private + */ + createTransport(name) { + const query = Object.assign({}, this.opts.query); + // append engine.io protocol identifier + query.EIO = protocol; + // transport name + query.transport = name; + // session id if we already have one + if (this.id) + query.sid = this.id; + const opts = Object.assign({}, this.opts, { + query, + socket: this, + hostname: this.hostname, + secure: this.secure, + port: this.port, + }, this.opts.transportOptions[name]); + return new transports[name](opts); + } + /** + * Initializes transport to use and starts probe. + * + * @private + */ + open() { + let transport; + if (this.opts.rememberUpgrade && + Socket.priorWebsocketSuccess && + this.transports.indexOf("websocket") !== -1) { + transport = "websocket"; + } + else if (0 === this.transports.length) { + // Emit error on next tick so it can be listened to + this.setTimeoutFn(() => { + this.emitReserved("error", "No transports available"); + }, 0); + return; + } + else { + transport = this.transports[0]; + } + this.readyState = "opening"; + // Retry with the next transport if the transport is disabled (jsonp: false) + try { + transport = this.createTransport(transport); + } + catch (e) { + this.transports.shift(); + this.open(); + return; + } + transport.open(); + this.setTransport(transport); + } + /** + * Sets the current transport. Disables the existing one (if any). + * + * @private + */ + setTransport(transport) { + if (this.transport) { + this.transport.removeAllListeners(); + } + // set up transport + this.transport = transport; + // set up transport listeners + transport + .on("drain", this.onDrain.bind(this)) + .on("packet", this.onPacket.bind(this)) + .on("error", this.onError.bind(this)) + .on("close", (reason) => this.onClose("transport close", reason)); + } + /** + * Probes a transport. + * + * @param {String} name - transport name + * @private + */ + probe(name) { + let transport = this.createTransport(name); + let failed = false; + Socket.priorWebsocketSuccess = false; + const onTransportOpen = () => { + if (failed) + return; + transport.send([{ type: "ping", data: "probe" }]); + transport.once("packet", (msg) => { + if (failed) + return; + if ("pong" === msg.type && "probe" === msg.data) { + this.upgrading = true; + this.emitReserved("upgrading", transport); + if (!transport) + return; + Socket.priorWebsocketSuccess = "websocket" === transport.name; + this.transport.pause(() => { + if (failed) + return; + if ("closed" === this.readyState) + return; + cleanup(); + this.setTransport(transport); + transport.send([{ type: "upgrade" }]); + this.emitReserved("upgrade", transport); + transport = null; + this.upgrading = false; + this.flush(); + }); + } + else { + const err = new Error("probe error"); + // @ts-ignore + err.transport = transport.name; + this.emitReserved("upgradeError", err); + } + }); + }; + function freezeTransport() { + if (failed) + return; + // Any callback called by transport should be ignored since now + failed = true; + cleanup(); + transport.close(); + transport = null; + } + // Handle any error that happens while probing + const onerror = (err) => { + const error = new Error("probe error: " + err); + // @ts-ignore + error.transport = transport.name; + freezeTransport(); + this.emitReserved("upgradeError", error); + }; + function onTransportClose() { + onerror("transport closed"); + } + // When the socket is closed while we're probing + function onclose() { + onerror("socket closed"); + } + // When the socket is upgraded while we're probing + function onupgrade(to) { + if (transport && to.name !== transport.name) { + freezeTransport(); + } + } + // Remove all listeners on the transport and on self + const cleanup = () => { + transport.removeListener("open", onTransportOpen); + transport.removeListener("error", onerror); + transport.removeListener("close", onTransportClose); + this.off("close", onclose); + this.off("upgrading", onupgrade); + }; + transport.once("open", onTransportOpen); + transport.once("error", onerror); + transport.once("close", onTransportClose); + this.once("close", onclose); + this.once("upgrading", onupgrade); + if (this.upgrades.indexOf("webtransport") !== -1 && + name !== "webtransport") { + // favor WebTransport + this.setTimeoutFn(() => { + if (!failed) { + transport.open(); + } + }, 200); + } + else { + transport.open(); + } + } + /** + * Called when connection is deemed open. + * + * @private + */ + onOpen() { + this.readyState = "open"; + Socket.priorWebsocketSuccess = "websocket" === this.transport.name; + this.emitReserved("open"); + this.flush(); + // we check for `readyState` in case an `open` + // listener already closed the socket + if ("open" === this.readyState && this.opts.upgrade) { + let i = 0; + const l = this.upgrades.length; + for (; i < l; i++) { + this.probe(this.upgrades[i]); + } + } + } + /** + * Handles a packet. + * + * @private + */ + onPacket(packet) { + if ("opening" === this.readyState || + "open" === this.readyState || + "closing" === this.readyState) { + this.emitReserved("packet", packet); + // Socket is live - any packet counts + this.emitReserved("heartbeat"); + this.resetPingTimeout(); + switch (packet.type) { + case "open": + this.onHandshake(JSON.parse(packet.data)); + break; + case "ping": + this.sendPacket("pong"); + this.emitReserved("ping"); + this.emitReserved("pong"); + break; + case "error": + const err = new Error("server error"); + // @ts-ignore + err.code = packet.data; + this.onError(err); + break; + case "message": + this.emitReserved("data", packet.data); + this.emitReserved("message", packet.data); + break; + } + } + else { + } + } + /** + * Called upon handshake completion. + * + * @param {Object} data - handshake obj + * @private + */ + onHandshake(data) { + this.emitReserved("handshake", data); + this.id = data.sid; + this.transport.query.sid = data.sid; + this.upgrades = this.filterUpgrades(data.upgrades); + this.pingInterval = data.pingInterval; + this.pingTimeout = data.pingTimeout; + this.maxPayload = data.maxPayload; + this.onOpen(); + // In case open handler closes socket + if ("closed" === this.readyState) + return; + this.resetPingTimeout(); + } + /** + * Sets and resets ping timeout timer based on server pings. + * + * @private + */ + resetPingTimeout() { + this.clearTimeoutFn(this.pingTimeoutTimer); + this.pingTimeoutTimer = this.setTimeoutFn(() => { + this.onClose("ping timeout"); + }, this.pingInterval + this.pingTimeout); + if (this.opts.autoUnref) { + this.pingTimeoutTimer.unref(); + } + } + /** + * Called on `drain` event + * + * @private + */ + onDrain() { + this.writeBuffer.splice(0, this.prevBufferLen); + // setting prevBufferLen = 0 is very important + // for example, when upgrading, upgrade packet is sent over, + // and a nonzero prevBufferLen could cause problems on `drain` + this.prevBufferLen = 0; + if (0 === this.writeBuffer.length) { + this.emitReserved("drain"); + } + else { + this.flush(); + } + } + /** + * Flush write buffers. + * + * @private + */ + flush() { + if ("closed" !== this.readyState && + this.transport.writable && + !this.upgrading && + this.writeBuffer.length) { + const packets = this.getWritablePackets(); + this.transport.send(packets); + // keep track of current length of writeBuffer + // splice writeBuffer and callbackBuffer on `drain` + this.prevBufferLen = packets.length; + this.emitReserved("flush"); + } + } + /** + * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP + * long-polling) + * + * @private + */ + getWritablePackets() { + const shouldCheckPayloadSize = this.maxPayload && + this.transport.name === "polling" && + this.writeBuffer.length > 1; + if (!shouldCheckPayloadSize) { + return this.writeBuffer; + } + let payloadSize = 1; // first packet type + for (let i = 0; i < this.writeBuffer.length; i++) { + const data = this.writeBuffer[i].data; + if (data) { + payloadSize += byteLength(data); + } + if (i > 0 && payloadSize > this.maxPayload) { + return this.writeBuffer.slice(0, i); + } + payloadSize += 2; // separator + packet type + } + return this.writeBuffer; + } + /** + * Sends a message. + * + * @param {String} msg - message. + * @param {Object} options. + * @param {Function} callback function. + * @return {Socket} for chaining. + */ + write(msg, options, fn) { + this.sendPacket("message", msg, options, fn); + return this; + } + send(msg, options, fn) { + this.sendPacket("message", msg, options, fn); + return this; + } + /** + * Sends a packet. + * + * @param {String} type: packet type. + * @param {String} data. + * @param {Object} options. + * @param {Function} fn - callback function. + * @private + */ + sendPacket(type, data, options, fn) { + if ("function" === typeof data) { + fn = data; + data = undefined; + } + if ("function" === typeof options) { + fn = options; + options = null; + } + if ("closing" === this.readyState || "closed" === this.readyState) { + return; + } + options = options || {}; + options.compress = false !== options.compress; + const packet = { + type: type, + data: data, + options: options, + }; + this.emitReserved("packetCreate", packet); + this.writeBuffer.push(packet); + if (fn) + this.once("flush", fn); + this.flush(); + } + /** + * Closes the connection. + */ + close() { + const close = () => { + this.onClose("forced close"); + this.transport.close(); + }; + const cleanupAndClose = () => { + this.off("upgrade", cleanupAndClose); + this.off("upgradeError", cleanupAndClose); + close(); + }; + const waitForUpgrade = () => { + // wait for upgrade to finish since we can't send packets while pausing a transport + this.once("upgrade", cleanupAndClose); + this.once("upgradeError", cleanupAndClose); + }; + if ("opening" === this.readyState || "open" === this.readyState) { + this.readyState = "closing"; + if (this.writeBuffer.length) { + this.once("drain", () => { + if (this.upgrading) { + waitForUpgrade(); + } + else { + close(); + } + }); + } + else if (this.upgrading) { + waitForUpgrade(); + } + else { + close(); + } + } + return this; + } + /** + * Called upon transport error + * + * @private + */ + onError(err) { + Socket.priorWebsocketSuccess = false; + this.emitReserved("error", err); + this.onClose("transport error", err); + } + /** + * Called upon transport close. + * + * @private + */ + onClose(reason, description) { + if ("opening" === this.readyState || + "open" === this.readyState || + "closing" === this.readyState) { + // clear timers + this.clearTimeoutFn(this.pingTimeoutTimer); + // stop event from firing again for transport + this.transport.removeAllListeners("close"); + // ensure transport won't stay open + this.transport.close(); + // ignore further transport communication + this.transport.removeAllListeners(); + if (typeof removeEventListener === "function") { + removeEventListener("beforeunload", this.beforeunloadEventListener, false); + removeEventListener("offline", this.offlineEventListener, false); + } + // set ready state + this.readyState = "closed"; + // clear session id + this.id = null; + // emit close event + this.emitReserved("close", reason, description); + // clean buffers after, so users can still + // grab the buffers on `close` event + this.writeBuffer = []; + this.prevBufferLen = 0; + } + } + /** + * Filters upgrades, returning only those matching client transports. + * + * @param {Array} upgrades - server upgrades + * @private + */ + filterUpgrades(upgrades) { + const filteredUpgrades = []; + let i = 0; + const j = upgrades.length; + for (; i < j; i++) { + if (~this.transports.indexOf(upgrades[i])) + filteredUpgrades.push(upgrades[i]); + } + return filteredUpgrades; + } +} +Socket.protocol = protocol; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transport.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transport.d.ts new file mode 100644 index 00000000..6ef488b9 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transport.d.ts @@ -0,0 +1,106 @@ +import type { Packet, RawData } from "engine.io-parser"; +import { Emitter } from "@socket.io/component-emitter"; +import { SocketOptions } from "./socket.js"; +export declare class TransportError extends Error { + readonly description: any; + readonly context: any; + readonly type = "TransportError"; + constructor(reason: string, description: any, context: any); +} +export interface CloseDetails { + description: string; + context?: unknown; +} +interface TransportReservedEvents { + open: () => void; + error: (err: TransportError) => void; + packet: (packet: Packet) => void; + close: (details?: CloseDetails) => void; + poll: () => void; + pollComplete: () => void; + drain: () => void; +} +type TransportState = "opening" | "open" | "closed" | "pausing" | "paused"; +export declare abstract class Transport extends Emitter, Record, TransportReservedEvents> { + query: Record; + writable: boolean; + protected opts: SocketOptions; + protected supportsBinary: boolean; + protected readyState: TransportState; + protected socket: any; + protected setTimeoutFn: typeof setTimeout; + /** + * Transport abstract constructor. + * + * @param {Object} opts - options + * @protected + */ + constructor(opts: any); + /** + * Emits an error. + * + * @param {String} reason + * @param description + * @param context - the error context + * @return {Transport} for chaining + * @protected + */ + protected onError(reason: string, description: any, context?: any): this; + /** + * Opens the transport. + */ + open(): this; + /** + * Closes the transport. + */ + close(): this; + /** + * Sends multiple packets. + * + * @param {Array} packets + */ + send(packets: any): void; + /** + * Called upon open + * + * @protected + */ + protected onOpen(): void; + /** + * Called with data. + * + * @param {String} data + * @protected + */ + protected onData(data: RawData): void; + /** + * Called with a decoded packet. + * + * @protected + */ + protected onPacket(packet: Packet): void; + /** + * Called upon close. + * + * @protected + */ + protected onClose(details?: CloseDetails): void; + /** + * The name of the transport + */ + abstract get name(): string; + /** + * Pauses the transport, in order not to lose packets during an upgrade. + * + * @param onPause + */ + pause(onPause: () => void): void; + protected createUri(schema: string, query?: Record): string; + private _hostname; + private _port; + private _query; + protected abstract doOpen(): any; + protected abstract doClose(): any; + protected abstract write(packets: Packet[]): any; +} +export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transport.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transport.js new file mode 100644 index 00000000..d0553658 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transport.js @@ -0,0 +1,141 @@ +import { decodePacket } from "engine.io-parser"; +import { Emitter } from "@socket.io/component-emitter"; +import { installTimerFunctions } from "./util.js"; +import { encode } from "./contrib/parseqs.js"; +export class TransportError extends Error { + constructor(reason, description, context) { + super(reason); + this.description = description; + this.context = context; + this.type = "TransportError"; + } +} +export class Transport extends Emitter { + /** + * Transport abstract constructor. + * + * @param {Object} opts - options + * @protected + */ + constructor(opts) { + super(); + this.writable = false; + installTimerFunctions(this, opts); + this.opts = opts; + this.query = opts.query; + this.socket = opts.socket; + } + /** + * Emits an error. + * + * @param {String} reason + * @param description + * @param context - the error context + * @return {Transport} for chaining + * @protected + */ + onError(reason, description, context) { + super.emitReserved("error", new TransportError(reason, description, context)); + return this; + } + /** + * Opens the transport. + */ + open() { + this.readyState = "opening"; + this.doOpen(); + return this; + } + /** + * Closes the transport. + */ + close() { + if (this.readyState === "opening" || this.readyState === "open") { + this.doClose(); + this.onClose(); + } + return this; + } + /** + * Sends multiple packets. + * + * @param {Array} packets + */ + send(packets) { + if (this.readyState === "open") { + this.write(packets); + } + else { + // this might happen if the transport was silently closed in the beforeunload event handler + } + } + /** + * Called upon open + * + * @protected + */ + onOpen() { + this.readyState = "open"; + this.writable = true; + super.emitReserved("open"); + } + /** + * Called with data. + * + * @param {String} data + * @protected + */ + onData(data) { + const packet = decodePacket(data, this.socket.binaryType); + this.onPacket(packet); + } + /** + * Called with a decoded packet. + * + * @protected + */ + onPacket(packet) { + super.emitReserved("packet", packet); + } + /** + * Called upon close. + * + * @protected + */ + onClose(details) { + this.readyState = "closed"; + super.emitReserved("close", details); + } + /** + * Pauses the transport, in order not to lose packets during an upgrade. + * + * @param onPause + */ + pause(onPause) { } + createUri(schema, query = {}) { + return (schema + + "://" + + this._hostname() + + this._port() + + this.opts.path + + this._query(query)); + } + _hostname() { + const hostname = this.opts.hostname; + return hostname.indexOf(":") === -1 ? hostname : "[" + hostname + "]"; + } + _port() { + if (this.opts.port && + ((this.opts.secure && Number(this.opts.port !== 443)) || + (!this.opts.secure && Number(this.opts.port) !== 80))) { + return ":" + this.opts.port; + } + else { + return ""; + } + } + _query(query) { + const encodedQuery = encode(query); + return encodedQuery.length ? "?" + encodedQuery : ""; + } +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/index.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/index.d.ts new file mode 100644 index 00000000..6617f8ce --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/index.d.ts @@ -0,0 +1,8 @@ +import { Polling } from "./polling.js"; +import { WS } from "./websocket.js"; +import { WT } from "./webtransport.js"; +export declare const transports: { + websocket: typeof WS; + webtransport: typeof WT; + polling: typeof Polling; +}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/index.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/index.js new file mode 100644 index 00000000..c2d59409 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/index.js @@ -0,0 +1,8 @@ +import { Polling } from "./polling.js"; +import { WS } from "./websocket.js"; +import { WT } from "./webtransport.js"; +export const transports = { + websocket: WS, + webtransport: WT, + polling: Polling, +}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/polling.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/polling.d.ts new file mode 100644 index 00000000..176ce57a --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/polling.d.ts @@ -0,0 +1,137 @@ +import { Transport } from "../transport.js"; +import { RawData } from "engine.io-parser"; +import { Emitter } from "@socket.io/component-emitter"; +export declare class Polling extends Transport { + private readonly xd; + private polling; + private pollXhr; + private cookieJar?; + /** + * XHR Polling constructor. + * + * @param {Object} opts + * @package + */ + constructor(opts: any); + get name(): string; + /** + * Opens the socket (triggers polling). We write a PING message to determine + * when the transport is open. + * + * @protected + */ + doOpen(): void; + /** + * Pauses polling. + * + * @param {Function} onPause - callback upon buffers are flushed and transport is paused + * @package + */ + pause(onPause: any): void; + /** + * Starts polling cycle. + * + * @private + */ + poll(): void; + /** + * Overloads onData to detect payloads. + * + * @protected + */ + onData(data: any): void; + /** + * For polling, send a close packet. + * + * @protected + */ + doClose(): void; + /** + * Writes a packets payload. + * + * @param {Array} packets - data packets + * @protected + */ + write(packets: any): void; + /** + * Generates uri for connection. + * + * @private + */ + private uri; + /** + * Creates a request. + * + * @param {String} method + * @private + */ + request(opts?: {}): Request; + /** + * Sends data. + * + * @param {String} data to send. + * @param {Function} called upon flush. + * @private + */ + private doWrite; + /** + * Starts a poll cycle. + * + * @private + */ + private doPoll; +} +interface RequestReservedEvents { + success: () => void; + data: (data: RawData) => void; + error: (err: number | Error, context: unknown) => void; +} +export declare class Request extends Emitter<{}, {}, RequestReservedEvents> { + private readonly opts; + private readonly method; + private readonly uri; + private readonly data; + private xhr; + private setTimeoutFn; + private index; + static requestsCount: number; + static requests: {}; + /** + * Request constructor + * + * @param {Object} options + * @package + */ + constructor(uri: any, opts: any); + /** + * Creates the XHR object and sends the request. + * + * @private + */ + private create; + /** + * Called upon error. + * + * @private + */ + private onError; + /** + * Cleans up house. + * + * @private + */ + private cleanup; + /** + * Called upon load. + * + * @private + */ + private onLoad; + /** + * Aborts the request. + * + * @package + */ + abort(): void; +} +export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/polling.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/polling.js new file mode 100644 index 00000000..dd07f156 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/polling.js @@ -0,0 +1,390 @@ +import { Transport } from "../transport.js"; +import { yeast } from "../contrib/yeast.js"; +import { encodePayload, decodePayload } from "engine.io-parser"; +import { createCookieJar, XHR as XMLHttpRequest, } from "./xmlhttprequest.js"; +import { Emitter } from "@socket.io/component-emitter"; +import { installTimerFunctions, pick } from "../util.js"; +import { globalThisShim as globalThis } from "../globalThis.js"; +function empty() { } +const hasXHR2 = (function () { + const xhr = new XMLHttpRequest({ + xdomain: false, + }); + return null != xhr.responseType; +})(); +export class Polling extends Transport { + /** + * XHR Polling constructor. + * + * @param {Object} opts + * @package + */ + constructor(opts) { + super(opts); + this.polling = false; + if (typeof location !== "undefined") { + const isSSL = "https:" === location.protocol; + let port = location.port; + // some user agents have empty `location.port` + if (!port) { + port = isSSL ? "443" : "80"; + } + this.xd = + (typeof location !== "undefined" && + opts.hostname !== location.hostname) || + port !== opts.port; + } + /** + * XHR supports binary + */ + const forceBase64 = opts && opts.forceBase64; + this.supportsBinary = hasXHR2 && !forceBase64; + if (this.opts.withCredentials) { + this.cookieJar = createCookieJar(); + } + } + get name() { + return "polling"; + } + /** + * Opens the socket (triggers polling). We write a PING message to determine + * when the transport is open. + * + * @protected + */ + doOpen() { + this.poll(); + } + /** + * Pauses polling. + * + * @param {Function} onPause - callback upon buffers are flushed and transport is paused + * @package + */ + pause(onPause) { + this.readyState = "pausing"; + const pause = () => { + this.readyState = "paused"; + onPause(); + }; + if (this.polling || !this.writable) { + let total = 0; + if (this.polling) { + total++; + this.once("pollComplete", function () { + --total || pause(); + }); + } + if (!this.writable) { + total++; + this.once("drain", function () { + --total || pause(); + }); + } + } + else { + pause(); + } + } + /** + * Starts polling cycle. + * + * @private + */ + poll() { + this.polling = true; + this.doPoll(); + this.emitReserved("poll"); + } + /** + * Overloads onData to detect payloads. + * + * @protected + */ + onData(data) { + const callback = (packet) => { + // if its the first message we consider the transport open + if ("opening" === this.readyState && packet.type === "open") { + this.onOpen(); + } + // if its a close packet, we close the ongoing requests + if ("close" === packet.type) { + this.onClose({ description: "transport closed by the server" }); + return false; + } + // otherwise bypass onData and handle the message + this.onPacket(packet); + }; + // decode payload + decodePayload(data, this.socket.binaryType).forEach(callback); + // if an event did not trigger closing + if ("closed" !== this.readyState) { + // if we got data we're not polling + this.polling = false; + this.emitReserved("pollComplete"); + if ("open" === this.readyState) { + this.poll(); + } + else { + } + } + } + /** + * For polling, send a close packet. + * + * @protected + */ + doClose() { + const close = () => { + this.write([{ type: "close" }]); + }; + if ("open" === this.readyState) { + close(); + } + else { + // in case we're trying to close while + // handshaking is in progress (GH-164) + this.once("open", close); + } + } + /** + * Writes a packets payload. + * + * @param {Array} packets - data packets + * @protected + */ + write(packets) { + this.writable = false; + encodePayload(packets, (data) => { + this.doWrite(data, () => { + this.writable = true; + this.emitReserved("drain"); + }); + }); + } + /** + * Generates uri for connection. + * + * @private + */ + uri() { + const schema = this.opts.secure ? "https" : "http"; + const query = this.query || {}; + // cache busting is forced + if (false !== this.opts.timestampRequests) { + query[this.opts.timestampParam] = yeast(); + } + if (!this.supportsBinary && !query.sid) { + query.b64 = 1; + } + return this.createUri(schema, query); + } + /** + * Creates a request. + * + * @param {String} method + * @private + */ + request(opts = {}) { + Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts); + return new Request(this.uri(), opts); + } + /** + * Sends data. + * + * @param {String} data to send. + * @param {Function} called upon flush. + * @private + */ + doWrite(data, fn) { + const req = this.request({ + method: "POST", + data: data, + }); + req.on("success", fn); + req.on("error", (xhrStatus, context) => { + this.onError("xhr post error", xhrStatus, context); + }); + } + /** + * Starts a poll cycle. + * + * @private + */ + doPoll() { + const req = this.request(); + req.on("data", this.onData.bind(this)); + req.on("error", (xhrStatus, context) => { + this.onError("xhr poll error", xhrStatus, context); + }); + this.pollXhr = req; + } +} +export class Request extends Emitter { + /** + * Request constructor + * + * @param {Object} options + * @package + */ + constructor(uri, opts) { + super(); + installTimerFunctions(this, opts); + this.opts = opts; + this.method = opts.method || "GET"; + this.uri = uri; + this.data = undefined !== opts.data ? opts.data : null; + this.create(); + } + /** + * Creates the XHR object and sends the request. + * + * @private + */ + create() { + var _a; + const opts = pick(this.opts, "agent", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "autoUnref"); + opts.xdomain = !!this.opts.xd; + const xhr = (this.xhr = new XMLHttpRequest(opts)); + try { + xhr.open(this.method, this.uri, true); + try { + if (this.opts.extraHeaders) { + xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true); + for (let i in this.opts.extraHeaders) { + if (this.opts.extraHeaders.hasOwnProperty(i)) { + xhr.setRequestHeader(i, this.opts.extraHeaders[i]); + } + } + } + } + catch (e) { } + if ("POST" === this.method) { + try { + xhr.setRequestHeader("Content-type", "text/plain;charset=UTF-8"); + } + catch (e) { } + } + try { + xhr.setRequestHeader("Accept", "*/*"); + } + catch (e) { } + (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr); + // ie6 check + if ("withCredentials" in xhr) { + xhr.withCredentials = this.opts.withCredentials; + } + if (this.opts.requestTimeout) { + xhr.timeout = this.opts.requestTimeout; + } + xhr.onreadystatechange = () => { + var _a; + if (xhr.readyState === 3) { + (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr); + } + if (4 !== xhr.readyState) + return; + if (200 === xhr.status || 1223 === xhr.status) { + this.onLoad(); + } + else { + // make sure the `error` event handler that's user-set + // does not throw in the same tick and gets caught here + this.setTimeoutFn(() => { + this.onError(typeof xhr.status === "number" ? xhr.status : 0); + }, 0); + } + }; + xhr.send(this.data); + } + catch (e) { + // Need to defer since .create() is called directly from the constructor + // and thus the 'error' event can only be only bound *after* this exception + // occurs. Therefore, also, we cannot throw here at all. + this.setTimeoutFn(() => { + this.onError(e); + }, 0); + return; + } + if (typeof document !== "undefined") { + this.index = Request.requestsCount++; + Request.requests[this.index] = this; + } + } + /** + * Called upon error. + * + * @private + */ + onError(err) { + this.emitReserved("error", err, this.xhr); + this.cleanup(true); + } + /** + * Cleans up house. + * + * @private + */ + cleanup(fromError) { + if ("undefined" === typeof this.xhr || null === this.xhr) { + return; + } + this.xhr.onreadystatechange = empty; + if (fromError) { + try { + this.xhr.abort(); + } + catch (e) { } + } + if (typeof document !== "undefined") { + delete Request.requests[this.index]; + } + this.xhr = null; + } + /** + * Called upon load. + * + * @private + */ + onLoad() { + const data = this.xhr.responseText; + if (data !== null) { + this.emitReserved("data", data); + this.emitReserved("success"); + this.cleanup(); + } + } + /** + * Aborts the request. + * + * @package + */ + abort() { + this.cleanup(); + } +} +Request.requestsCount = 0; +Request.requests = {}; +/** + * Aborts pending requests when unloading the window. This is needed to prevent + * memory leaks (e.g. when using IE) and to ensure that no spurious error is + * emitted. + */ +if (typeof document !== "undefined") { + // @ts-ignore + if (typeof attachEvent === "function") { + // @ts-ignore + attachEvent("onunload", unloadHandler); + } + else if (typeof addEventListener === "function") { + const terminationEvent = "onpagehide" in globalThis ? "pagehide" : "unload"; + addEventListener(terminationEvent, unloadHandler, false); + } +} +function unloadHandler() { + for (let i in Request.requests) { + if (Request.requests.hasOwnProperty(i)) { + Request.requests[i].abort(); + } + } +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.d.ts new file mode 100644 index 00000000..4f1b60e9 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.d.ts @@ -0,0 +1,4 @@ +export declare const nextTick: (cb: any, setTimeoutFn: any) => any; +export declare const WebSocket: any; +export declare const usingBrowserWebSocket = true; +export declare const defaultBinaryType = "arraybuffer"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.js new file mode 100644 index 00000000..481fae90 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.js @@ -0,0 +1,13 @@ +import { globalThisShim as globalThis } from "../globalThis.js"; +export const nextTick = (() => { + const isPromiseAvailable = typeof Promise === "function" && typeof Promise.resolve === "function"; + if (isPromiseAvailable) { + return (cb) => Promise.resolve().then(cb); + } + else { + return (cb, setTimeoutFn) => setTimeoutFn(cb, 0); + } +})(); +export const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket; +export const usingBrowserWebSocket = true; +export const defaultBinaryType = "arraybuffer"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.d.ts new file mode 100644 index 00000000..55095005 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.d.ts @@ -0,0 +1,4 @@ +export declare const WebSocket: any; +export declare const usingBrowserWebSocket = false; +export declare const defaultBinaryType = "nodebuffer"; +export declare const nextTick: (callback: Function, ...args: any[]) => void; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.js new file mode 100644 index 00000000..fd0f46eb --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.js @@ -0,0 +1,5 @@ +import ws from "ws"; +export const WebSocket = ws; +export const usingBrowserWebSocket = false; +export const defaultBinaryType = "nodebuffer"; +export const nextTick = process.nextTick; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket.d.ts new file mode 100644 index 00000000..30dfe291 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket.d.ts @@ -0,0 +1,34 @@ +import { Transport } from "../transport.js"; +export declare class WS extends Transport { + private ws; + /** + * WebSocket transport constructor. + * + * @param {Object} opts - connection options + * @protected + */ + constructor(opts: any); + get name(): string; + doOpen(): this; + /** + * Adds event listeners to the socket + * + * @private + */ + private addEventListeners; + write(packets: any): void; + doClose(): void; + /** + * Generates uri for connection. + * + * @private + */ + private uri; + /** + * Feature detection for WebSocket. + * + * @return {Boolean} whether this transport is available. + * @private + */ + private check; +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket.js new file mode 100644 index 00000000..a707f0a3 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket.js @@ -0,0 +1,152 @@ +import { Transport } from "../transport.js"; +import { yeast } from "../contrib/yeast.js"; +import { pick } from "../util.js"; +import { nextTick, usingBrowserWebSocket, WebSocket, } from "./websocket-constructor.js"; +import { encodePacket } from "engine.io-parser"; +// detect ReactNative environment +const isReactNative = typeof navigator !== "undefined" && + typeof navigator.product === "string" && + navigator.product.toLowerCase() === "reactnative"; +export class WS extends Transport { + /** + * WebSocket transport constructor. + * + * @param {Object} opts - connection options + * @protected + */ + constructor(opts) { + super(opts); + this.supportsBinary = !opts.forceBase64; + } + get name() { + return "websocket"; + } + doOpen() { + if (!this.check()) { + // let probe timeout + return; + } + const uri = this.uri(); + const protocols = this.opts.protocols; + // React Native only supports the 'headers' option, and will print a warning if anything else is passed + const opts = isReactNative + ? {} + : pick(this.opts, "agent", "perMessageDeflate", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "localAddress", "protocolVersion", "origin", "maxPayload", "family", "checkServerIdentity"); + if (this.opts.extraHeaders) { + opts.headers = this.opts.extraHeaders; + } + try { + this.ws = + usingBrowserWebSocket && !isReactNative + ? protocols + ? new WebSocket(uri, protocols) + : new WebSocket(uri) + : new WebSocket(uri, protocols, opts); + } + catch (err) { + return this.emitReserved("error", err); + } + this.ws.binaryType = this.socket.binaryType; + this.addEventListeners(); + } + /** + * Adds event listeners to the socket + * + * @private + */ + addEventListeners() { + this.ws.onopen = () => { + if (this.opts.autoUnref) { + this.ws._socket.unref(); + } + this.onOpen(); + }; + this.ws.onclose = (closeEvent) => this.onClose({ + description: "websocket connection closed", + context: closeEvent, + }); + this.ws.onmessage = (ev) => this.onData(ev.data); + this.ws.onerror = (e) => this.onError("websocket error", e); + } + write(packets) { + this.writable = false; + // encodePacket efficient as it uses WS framing + // no need for encodePayload + for (let i = 0; i < packets.length; i++) { + const packet = packets[i]; + const lastPacket = i === packets.length - 1; + encodePacket(packet, this.supportsBinary, (data) => { + // always create a new object (GH-437) + const opts = {}; + if (!usingBrowserWebSocket) { + if (packet.options) { + opts.compress = packet.options.compress; + } + if (this.opts.perMessageDeflate) { + const len = + // @ts-ignore + "string" === typeof data ? Buffer.byteLength(data) : data.length; + if (len < this.opts.perMessageDeflate.threshold) { + opts.compress = false; + } + } + } + // Sometimes the websocket has already been closed but the browser didn't + // have a chance of informing us about it yet, in that case send will + // throw an error + try { + if (usingBrowserWebSocket) { + // TypeError is thrown when passing the second argument on Safari + this.ws.send(data); + } + else { + this.ws.send(data, opts); + } + } + catch (e) { + } + if (lastPacket) { + // fake drain + // defer to next tick to allow Socket to clear writeBuffer + nextTick(() => { + this.writable = true; + this.emitReserved("drain"); + }, this.setTimeoutFn); + } + }); + } + } + doClose() { + if (typeof this.ws !== "undefined") { + this.ws.close(); + this.ws = null; + } + } + /** + * Generates uri for connection. + * + * @private + */ + uri() { + const schema = this.opts.secure ? "wss" : "ws"; + const query = this.query || {}; + // append timestamp to URI + if (this.opts.timestampRequests) { + query[this.opts.timestampParam] = yeast(); + } + // communicate binary support capabilities + if (!this.supportsBinary) { + query.b64 = 1; + } + return this.createUri(schema, query); + } + /** + * Feature detection for WebSocket. + * + * @return {Boolean} whether this transport is available. + * @private + */ + check() { + return !!WebSocket; + } +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/webtransport.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/webtransport.d.ts new file mode 100644 index 00000000..093d6605 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/webtransport.d.ts @@ -0,0 +1,10 @@ +import { Transport } from "../transport.js"; +import { Packet } from "engine.io-parser"; +export declare class WT extends Transport { + private transport; + private writer; + get name(): string; + protected doOpen(): void; + protected write(packets: Packet[]): void; + protected doClose(): void; +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/webtransport.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/webtransport.js new file mode 100644 index 00000000..c64b1f36 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/webtransport.js @@ -0,0 +1,71 @@ +import { Transport } from "../transport.js"; +import { nextTick } from "./websocket-constructor.js"; +import { createPacketDecoderStream, createPacketEncoderStream, } from "engine.io-parser"; +export class WT extends Transport { + get name() { + return "webtransport"; + } + doOpen() { + // @ts-ignore + if (typeof WebTransport !== "function") { + return; + } + // @ts-ignore + this.transport = new WebTransport(this.createUri("https"), this.opts.transportOptions[this.name]); + this.transport.closed + .then(() => { + this.onClose(); + }) + .catch((err) => { + this.onError("webtransport error", err); + }); + // note: we could have used async/await, but that would require some additional polyfills + this.transport.ready.then(() => { + this.transport.createBidirectionalStream().then((stream) => { + const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType); + const reader = stream.readable.pipeThrough(decoderStream).getReader(); + const encoderStream = createPacketEncoderStream(); + encoderStream.readable.pipeTo(stream.writable); + this.writer = encoderStream.writable.getWriter(); + const read = () => { + reader + .read() + .then(({ done, value }) => { + if (done) { + return; + } + this.onPacket(value); + read(); + }) + .catch((err) => { + }); + }; + read(); + const packet = { type: "open" }; + if (this.query.sid) { + packet.data = `{"sid":"${this.query.sid}"}`; + } + this.writer.write(packet).then(() => this.onOpen()); + }); + }); + } + write(packets) { + this.writable = false; + for (let i = 0; i < packets.length; i++) { + const packet = packets[i]; + const lastPacket = i === packets.length - 1; + this.writer.write(packet).then(() => { + if (lastPacket) { + nextTick(() => { + this.writable = true; + this.emitReserved("drain"); + }, this.setTimeoutFn); + } + }); + } + } + doClose() { + var _a; + (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close(); + } +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.d.ts new file mode 100644 index 00000000..cb475422 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.d.ts @@ -0,0 +1,2 @@ +export declare function XHR(opts: any): any; +export declare function createCookieJar(): void; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.js new file mode 100644 index 00000000..8c54fc86 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.js @@ -0,0 +1,20 @@ +// browser shim for xmlhttprequest module +import { hasCORS } from "../contrib/has-cors.js"; +import { globalThisShim as globalThis } from "../globalThis.js"; +export function XHR(opts) { + const xdomain = opts.xdomain; + // XMLHttpRequest can be disabled on IE + try { + if ("undefined" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) { + return new XMLHttpRequest(); + } + } + catch (e) { } + if (!xdomain) { + try { + return new globalThis[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP"); + } + catch (e) { } + } +} +export function createCookieJar() { } diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.d.ts new file mode 100644 index 00000000..f2af011a --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.d.ts @@ -0,0 +1,17 @@ +export declare const XHR: any; +export declare function createCookieJar(): CookieJar; +interface Cookie { + name: string; + value: string; + expires?: Date; +} +/** + * @see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie + */ +export declare function parse(setCookieString: string): Cookie; +export declare class CookieJar { + private cookies; + parseCookies(xhr: any): void; + addCookies(xhr: any): void; +} +export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.js new file mode 100644 index 00000000..590c2680 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.js @@ -0,0 +1,82 @@ +import * as XMLHttpRequestModule from "xmlhttprequest-ssl"; +export const XHR = XMLHttpRequestModule.default || XMLHttpRequestModule; +export function createCookieJar() { + return new CookieJar(); +} +/** + * @see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie + */ +export function parse(setCookieString) { + const parts = setCookieString.split("; "); + const i = parts[0].indexOf("="); + if (i === -1) { + return; + } + const name = parts[0].substring(0, i).trim(); + if (!name.length) { + return; + } + let value = parts[0].substring(i + 1).trim(); + if (value.charCodeAt(0) === 0x22) { + // remove double quotes + value = value.slice(1, -1); + } + const cookie = { + name, + value, + }; + for (let j = 1; j < parts.length; j++) { + const subParts = parts[j].split("="); + if (subParts.length !== 2) { + continue; + } + const key = subParts[0].trim(); + const value = subParts[1].trim(); + switch (key) { + case "Expires": + cookie.expires = new Date(value); + break; + case "Max-Age": + const expiration = new Date(); + expiration.setUTCSeconds(expiration.getUTCSeconds() + parseInt(value, 10)); + cookie.expires = expiration; + break; + default: + // ignore other keys + } + } + return cookie; +} +export class CookieJar { + constructor() { + this.cookies = new Map(); + } + parseCookies(xhr) { + const values = xhr.getResponseHeader("set-cookie"); + if (!values) { + return; + } + values.forEach((value) => { + const parsed = parse(value); + if (parsed) { + this.cookies.set(parsed.name, parsed); + } + }); + } + addCookies(xhr) { + const cookies = []; + this.cookies.forEach((cookie, name) => { + var _a; + if (((_a = cookie.expires) === null || _a === void 0 ? void 0 : _a.getTime()) < Date.now()) { + this.cookies.delete(name); + } + else { + cookies.push(`${name}=${cookie.value}`); + } + }); + if (cookies.length) { + xhr.setDisableHeaderCheck(true); + xhr.setRequestHeader("cookie", cookies.join("; ")); + } + } +} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/util.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/util.d.ts new file mode 100644 index 00000000..5921b7b7 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/util.d.ts @@ -0,0 +1,3 @@ +export declare function pick(obj: any, ...attr: any[]): any; +export declare function installTimerFunctions(obj: any, opts: any): void; +export declare function byteLength(obj: any): number; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/util.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/util.js new file mode 100644 index 00000000..243af585 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/build/esm/util.js @@ -0,0 +1,52 @@ +import { globalThisShim as globalThis } from "./globalThis.js"; +export function pick(obj, ...attr) { + return attr.reduce((acc, k) => { + if (obj.hasOwnProperty(k)) { + acc[k] = obj[k]; + } + return acc; + }, {}); +} +// Keep a reference to the real timeout functions so they can be used when overridden +const NATIVE_SET_TIMEOUT = globalThis.setTimeout; +const NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout; +export function installTimerFunctions(obj, opts) { + if (opts.useNativeTimers) { + obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis); + obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis); + } + else { + obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis); + obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis); + } +} +// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64) +const BASE64_OVERHEAD = 1.33; +// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9 +export function byteLength(obj) { + if (typeof obj === "string") { + return utf8Length(obj); + } + // arraybuffer or blob + return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD); +} +function utf8Length(str) { + let c = 0, length = 0; + for (let i = 0, l = str.length; i < l; i++) { + c = str.charCodeAt(i); + if (c < 0x80) { + length += 1; + } + else if (c < 0x800) { + length += 2; + } + else if (c < 0xd800 || c >= 0xe000) { + length += 3; + } + else { + i++; + length += 4; + } + } + return length; +} diff --git a/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.esm.min.js b/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.esm.min.js new file mode 100644 index 00000000..98f9619e --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.esm.min.js @@ -0,0 +1,7 @@ +/*! + * Engine.IO v6.5.3 + * (c) 2014-2023 Guillermo Rauch + * Released under the MIT License. + */ +const t=Object.create(null);t.open="0",t.close="1",t.ping="2",t.pong="3",t.message="4",t.upgrade="5",t.noop="6";const 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document&&(this.index=M.requestsCount++,M.requests[this.index]=this)}onError(t){this.emitReserved("error",t,this.xhr),this.cleanup(!0)}cleanup(t){if(void 0!==this.xhr&&null!==this.xhr){if(this.xhr.onreadystatechange=j,t)try{this.xhr.abort()}catch(t){}"undefined"!=typeof document&&delete M.requests[this.index],this.xhr=null}}onLoad(){const t=this.xhr.responseText;null!==t&&(this.emitReserved("data",t),this.emitReserved("success"),this.cleanup())}abort(){this.cleanup()}}if(M.requestsCount=0,M.requests={},"undefined"!=typeof document)if("function"==typeof attachEvent)attachEvent("onunload",W);else if("function"==typeof addEventListener){addEventListener("onpagehide"in T?"pagehide":"unload",W,!1)}function W(){for(let t in M.requests)M.requests.hasOwnProperty(t)&&M.requests[t].abort()}const N="function"==typeof Promise&&"function"==typeof Promise.resolve?t=>Promise.resolve().then(t):(t,e)=>e(t,0),V=T.WebSocket||T.MozWebSocket,X="undefined"!=typeof navigator&&"string"==typeof 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t=this.request();t.on("data",this.onData.bind(this)),t.on("error",((t,e)=>{this.onError("xhr poll error",t,e)})),this.pollXhr=t}}},J=/^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,z=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];function G(t){if(t.length>2e3)throw"URI too long";const e=t,s=t.indexOf("["),r=t.indexOf("]");-1!=s&&-1!=r&&(t=t.substring(0,s)+t.substring(s,r).replace(/:/g,";")+t.substring(r,t.length));let i=J.exec(t||""),o={},n=14;for(;n--;)o[z[n]]=i[n]||"";return-1!=s&&-1!=r&&(o.source=e,o.host=o.host.substring(1,o.host.length-1).replace(/;/g,":"),o.authority=o.authority.replace("[","").replace("]","").replace(/;/g,":"),o.ipv6uri=!0),o.pathNames=function(t,e){const s=/\/{2,9}/g,r=e.replace(s,"/").split("/");"/"!=e.slice(0,1)&&0!==e.length||r.splice(0,1);"/"==e.slice(-1)&&r.splice(r.length-1,1);return r}(0,o.path),o.queryKey=function(t,e){const s={};return e.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,(function(t,e,r){e&&(s[e]=r)})),s}(0,o.query),o}class K extends k{constructor(t,e={}){super(),this.binaryType="arraybuffer",this.writeBuffer=[],t&&"object"==typeof t&&(e=t,t=null),t?(t=G(t),e.hostname=t.host,e.secure="https"===t.protocol||"wss"===t.protocol,e.port=t.port,t.query&&(e.query=t.query)):e.host&&(e.hostname=G(e.host).host),R(this,e),this.secure=null!=e.secure?e.secure:"undefined"!=typeof location&&"https:"===location.protocol,e.hostname&&!e.port&&(e.port=this.secure?"443":"80"),this.hostname=e.hostname||("undefined"!=typeof location?location.hostname:"localhost"),this.port=e.port||("undefined"!=typeof location&&location.port?location.port:this.secure?"443":"80"),this.transports=e.transports||["polling","websocket","webtransport"],this.writeBuffer=[],this.prevBufferLen=0,this.opts=Object.assign({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,addTrailingSlash:!0,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!1},e),this.opts.path=this.opts.path.replace(/\/$/,"")+(this.opts.addTrailingSlash?"/":""),"string"==typeof this.opts.query&&(this.opts.query=function(t){let e={},s=t.split("&");for(let t=0,r=s.length;t{this.transport&&(this.transport.removeAllListeners(),this.transport.close())},addEventListener("beforeunload",this.beforeunloadEventListener,!1)),"localhost"!==this.hostname&&(this.offlineEventListener=()=>{this.onClose("transport close",{description:"network connection lost"})},addEventListener("offline",this.offlineEventListener,!1))),this.open()}createTransport(t){const e=Object.assign({},this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);const s=Object.assign({},this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port},this.opts.transportOptions[t]);return new $[t](s)}open(){let t;if(this.opts.rememberUpgrade&&K.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((()=>{this.emitReserved("error","No transports available")}),0);t=this.transports[0]}this.readyState="opening";try{t=this.createTransport(t)}catch(t){return this.transports.shift(),void this.open()}t.open(),this.setTransport(t)}setTransport(t){this.transport&&this.transport.removeAllListeners(),this.transport=t,t.on("drain",this.onDrain.bind(this)).on("packet",this.onPacket.bind(this)).on("error",this.onError.bind(this)).on("close",(t=>this.onClose("transport close",t)))}probe(t){let e=this.createTransport(t),s=!1;K.priorWebsocketSuccess=!1;const r=()=>{s||(e.send([{type:"ping",data:"probe"}]),e.once("packet",(t=>{if(!s)if("pong"===t.type&&"probe"===t.data){if(this.upgrading=!0,this.emitReserved("upgrading",e),!e)return;K.priorWebsocketSuccess="websocket"===e.name,this.transport.pause((()=>{s||"closed"!==this.readyState&&(c(),this.setTransport(e),e.send([{type:"upgrade"}]),this.emitReserved("upgrade",e),e=null,this.upgrading=!1,this.flush())}))}else{const t=new Error("probe error");t.transport=e.name,this.emitReserved("upgradeError",t)}})))};function i(){s||(s=!0,c(),e.close(),e=null)}const o=t=>{const s=new Error("probe error: "+t);s.transport=e.name,i(),this.emitReserved("upgradeError",s)};function n(){o("transport closed")}function a(){o("socket closed")}function h(t){e&&t.name!==e.name&&i()}const c=()=>{e.removeListener("open",r),e.removeListener("error",o),e.removeListener("close",n),this.off("close",a),this.off("upgrading",h)};e.once("open",r),e.once("error",o),e.once("close",n),this.once("close",a),this.once("upgrading",h),-1!==this.upgrades.indexOf("webtransport")&&"webtransport"!==t?this.setTimeoutFn((()=>{s||e.open()}),200):e.open()}onOpen(){if(this.readyState="open",K.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade){let t=0;const e=this.upgrades.length;for(;t{this.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}onDrain(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}flush(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){const t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}getWritablePackets(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;let t=1;for(let s=0;s=57344?s+=3:(r++,s+=4);return s}(e):Math.ceil(1.33*(e.byteLength||e.size))),s>0&&t>this.maxPayload)return this.writeBuffer.slice(0,s);t+=2}var e;return this.writeBuffer}write(t,e,s){return this.sendPacket("message",t,e,s),this}send(t,e,s){return this.sendPacket("message",t,e,s),this}sendPacket(t,e,s,r){if("function"==typeof e&&(r=e,e=void 0),"function"==typeof s&&(r=s,s=null),"closing"===this.readyState||"closed"===this.readyState)return;(s=s||{}).compress=!1!==s.compress;const i={type:t,data:e,options:s};this.emitReserved("packetCreate",i),this.writeBuffer.push(i),r&&this.once("flush",r),this.flush()}close(){const t=()=>{this.onClose("forced close"),this.transport.close()},e=()=>{this.off("upgrade",e),this.off("upgradeError",e),t()},s=()=>{this.once("upgrade",e),this.once("upgradeError",e)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(()=>{this.upgrading?s():t()})):this.upgrading?s():t()),this}onError(t){K.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}onClose(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),"function"==typeof removeEventListener&&(removeEventListener("beforeunload",this.beforeunloadEventListener,!1),removeEventListener("offline",this.offlineEventListener,!1)),this.readyState="closed",this.id=null,this.emitReserved("close",t,e),this.writeBuffer=[],this.prevBufferLen=0)}filterUpgrades(t){const e=[];let s=0;const r=t.length;for(;s {\n PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;\n});\nconst ERROR_PACKET = { type: \"error\", data: \"parser error\" };\nexport { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET };\n","import { PACKET_TYPES } from \"./commons.js\";\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n Object.prototype.toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\n// ArrayBuffer.isView method is not defined in IE10\nconst isView = obj => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj && obj.buffer instanceof ArrayBuffer;\n};\nconst encodePacket = ({ type, data }, supportsBinary, callback) => {\n if (withNativeBlob && data instanceof Blob) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(data, callback);\n }\n }\n else if (withNativeArrayBuffer &&\n (data instanceof ArrayBuffer || isView(data))) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(new Blob([data]), callback);\n }\n }\n // plain string\n return callback(PACKET_TYPES[type] + (data || \"\"));\n};\nconst encodeBlobAsBase64 = (data, callback) => {\n const fileReader = new FileReader();\n fileReader.onload = function () {\n const content = fileReader.result.split(\",\")[1];\n callback(\"b\" + (content || \"\"));\n };\n return fileReader.readAsDataURL(data);\n};\nfunction toArray(data) {\n if (data instanceof Uint8Array) {\n return data;\n }\n else if (data instanceof ArrayBuffer) {\n return new Uint8Array(data);\n }\n else {\n return new Uint8Array(data.buffer, data.byteOffset, data.byteLength);\n }\n}\nlet TEXT_ENCODER;\nexport function encodePacketToBinary(packet, callback) {\n if (withNativeBlob && packet.data instanceof Blob) {\n return packet.data\n .arrayBuffer()\n .then(toArray)\n .then(callback);\n }\n else if (withNativeArrayBuffer &&\n (packet.data instanceof ArrayBuffer || isView(packet.data))) {\n return callback(toArray(packet.data));\n }\n encodePacket(packet, false, encoded => {\n if (!TEXT_ENCODER) {\n TEXT_ENCODER = new TextEncoder();\n }\n callback(TEXT_ENCODER.encode(encoded));\n });\n}\nexport { encodePacket };\n","// imported from https://github.com/socketio/base64-arraybuffer\nconst chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\n// Use a lookup table to find the index.\nconst lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256);\nfor (let i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n}\nexport const encode = (arraybuffer) => {\n let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = '';\n for (i = 0; i < len; i += 3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n if (len % 3 === 2) {\n base64 = base64.substring(0, base64.length - 1) + '=';\n }\n else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + '==';\n }\n return base64;\n};\nexport const decode = (base64) => {\n let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;\n if (base64[base64.length - 1] === '=') {\n bufferLength--;\n if (base64[base64.length - 2] === '=') {\n bufferLength--;\n }\n }\n const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);\n for (i = 0; i < len; i += 4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i + 1)];\n encoded3 = lookup[base64.charCodeAt(i + 2)];\n encoded4 = lookup[base64.charCodeAt(i + 3)];\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n return arraybuffer;\n};\n","import { ERROR_PACKET, PACKET_TYPES_REVERSE } from \"./commons.js\";\nimport { decode } from \"./contrib/base64-arraybuffer.js\";\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nexport const decodePacket = (encodedPacket, binaryType) => {\n if (typeof encodedPacket !== \"string\") {\n return {\n type: \"message\",\n data: mapBinary(encodedPacket, binaryType)\n };\n }\n const type = encodedPacket.charAt(0);\n if (type === \"b\") {\n return {\n type: \"message\",\n data: decodeBase64Packet(encodedPacket.substring(1), binaryType)\n };\n }\n const packetType = PACKET_TYPES_REVERSE[type];\n if (!packetType) {\n return ERROR_PACKET;\n }\n return encodedPacket.length > 1\n ? {\n type: PACKET_TYPES_REVERSE[type],\n data: encodedPacket.substring(1)\n }\n : {\n type: PACKET_TYPES_REVERSE[type]\n };\n};\nconst decodeBase64Packet = (data, binaryType) => {\n if (withNativeArrayBuffer) {\n const decoded = decode(data);\n return mapBinary(decoded, binaryType);\n }\n else {\n return { base64: true, data }; // fallback for old browsers\n }\n};\nconst mapBinary = (data, binaryType) => {\n switch (binaryType) {\n case \"blob\":\n if (data instanceof Blob) {\n // from WebSocket + binaryType \"blob\"\n return data;\n }\n else {\n // from HTTP long-polling or WebTransport\n return new Blob([data]);\n }\n case \"arraybuffer\":\n default:\n if (data instanceof ArrayBuffer) {\n // from HTTP long-polling (base64) or WebSocket + binaryType \"arraybuffer\"\n return data;\n }\n else {\n // from WebTransport (Uint8Array)\n return data.buffer;\n }\n }\n};\n","import { encodePacket, encodePacketToBinary } from \"./encodePacket.js\";\nimport { decodePacket } from \"./decodePacket.js\";\nimport { ERROR_PACKET } from \"./commons.js\";\nconst SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text\nconst encodePayload = (packets, callback) => {\n // some packets may be added to the array while encoding, so the initial length must be saved\n const length = packets.length;\n const encodedPackets = new Array(length);\n let count = 0;\n packets.forEach((packet, i) => {\n // force base64 encoding for binary packets\n encodePacket(packet, false, encodedPacket => {\n encodedPackets[i] = encodedPacket;\n if (++count === length) {\n callback(encodedPackets.join(SEPARATOR));\n }\n });\n });\n};\nconst decodePayload = (encodedPayload, binaryType) => {\n const encodedPackets = encodedPayload.split(SEPARATOR);\n const packets = [];\n for (let i = 0; i < encodedPackets.length; i++) {\n const decodedPacket = decodePacket(encodedPackets[i], binaryType);\n packets.push(decodedPacket);\n if (decodedPacket.type === \"error\") {\n break;\n }\n }\n return packets;\n};\nexport function createPacketEncoderStream() {\n return new TransformStream({\n transform(packet, controller) {\n encodePacketToBinary(packet, encodedPacket => {\n const payloadLength = encodedPacket.length;\n let header;\n // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length\n if (payloadLength < 126) {\n header = new Uint8Array(1);\n new DataView(header.buffer).setUint8(0, payloadLength);\n }\n else if (payloadLength < 65536) {\n header = new Uint8Array(3);\n const view = new DataView(header.buffer);\n view.setUint8(0, 126);\n view.setUint16(1, payloadLength);\n }\n else {\n header = new Uint8Array(9);\n const view = new DataView(header.buffer);\n view.setUint8(0, 127);\n view.setBigUint64(1, BigInt(payloadLength));\n }\n // first bit indicates whether the payload is plain text (0) or binary (1)\n if (packet.data && typeof packet.data !== \"string\") {\n header[0] |= 0x80;\n }\n controller.enqueue(header);\n controller.enqueue(encodedPacket);\n });\n }\n });\n}\nlet TEXT_DECODER;\nfunction totalLength(chunks) {\n return chunks.reduce((acc, chunk) => acc + chunk.length, 0);\n}\nfunction concatChunks(chunks, size) {\n if (chunks[0].length === size) {\n return chunks.shift();\n }\n const buffer = new Uint8Array(size);\n let j = 0;\n for (let i = 0; i < size; i++) {\n buffer[i] = chunks[0][j++];\n if (j === chunks[0].length) {\n chunks.shift();\n j = 0;\n }\n }\n if (chunks.length && j < chunks[0].length) {\n chunks[0] = chunks[0].slice(j);\n }\n return buffer;\n}\nexport function createPacketDecoderStream(maxPayload, binaryType) {\n if (!TEXT_DECODER) {\n TEXT_DECODER = new TextDecoder();\n }\n const chunks = [];\n let state = 0 /* READ_HEADER */;\n let expectedLength = -1;\n let isBinary = false;\n return new TransformStream({\n transform(chunk, controller) {\n chunks.push(chunk);\n while (true) {\n if (state === 0 /* READ_HEADER */) {\n if (totalLength(chunks) < 1) {\n break;\n }\n const header = concatChunks(chunks, 1);\n isBinary = (header[0] & 0x80) === 0x80;\n expectedLength = header[0] & 0x7f;\n if (expectedLength < 126) {\n state = 3 /* READ_PAYLOAD */;\n }\n else if (expectedLength === 126) {\n state = 1 /* READ_EXTENDED_LENGTH_16 */;\n }\n else {\n state = 2 /* READ_EXTENDED_LENGTH_64 */;\n }\n }\n else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) {\n if (totalLength(chunks) < 2) {\n break;\n }\n const headerArray = concatChunks(chunks, 2);\n expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0);\n state = 3 /* READ_PAYLOAD */;\n }\n else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) {\n if (totalLength(chunks) < 8) {\n break;\n }\n const headerArray = concatChunks(chunks, 8);\n const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length);\n const n = view.getUint32(0);\n if (n > Math.pow(2, 53 - 32) - 1) {\n // the maximum safe integer in JavaScript is 2^53 - 1\n controller.enqueue(ERROR_PACKET);\n break;\n }\n expectedLength = n * Math.pow(2, 32) + view.getUint32(4);\n state = 3 /* READ_PAYLOAD */;\n }\n else {\n if (totalLength(chunks) < expectedLength) {\n break;\n }\n const data = concatChunks(chunks, expectedLength);\n controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType));\n state = 0 /* READ_HEADER */;\n }\n if (expectedLength === 0 || expectedLength > maxPayload) {\n controller.enqueue(ERROR_PACKET);\n break;\n }\n }\n }\n });\n}\nexport const protocol = 4;\nexport { encodePacket, encodePayload, decodePacket, decodePayload };\n","/**\n * Initialize a new `Emitter`.\n *\n * @api public\n */\n\nexport function Emitter(obj) {\n if (obj) return mixin(obj);\n}\n\n/**\n * Mixin the emitter properties.\n *\n * @param {Object} obj\n * @return {Object}\n * @api private\n */\n\nfunction mixin(obj) {\n for (var key in Emitter.prototype) {\n obj[key] = Emitter.prototype[key];\n }\n return obj;\n}\n\n/**\n * Listen on the given `event` with `fn`.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.on =\nEmitter.prototype.addEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\n .push(fn);\n return this;\n};\n\n/**\n * Adds an `event` listener that will be invoked a single\n * time then automatically removed.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.once = function(event, fn){\n function on() {\n this.off(event, on);\n fn.apply(this, arguments);\n }\n\n on.fn = fn;\n this.on(event, on);\n return this;\n};\n\n/**\n * Remove the given callback for `event` or all\n * registered callbacks.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.off =\nEmitter.prototype.removeListener =\nEmitter.prototype.removeAllListeners =\nEmitter.prototype.removeEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n\n // all\n if (0 == arguments.length) {\n this._callbacks = {};\n return this;\n }\n\n // specific event\n var callbacks = this._callbacks['$' + event];\n if (!callbacks) return this;\n\n // remove all handlers\n if (1 == arguments.length) {\n delete this._callbacks['$' + event];\n return this;\n }\n\n // remove specific handler\n var cb;\n for (var i = 0; i < callbacks.length; i++) {\n cb = callbacks[i];\n if (cb === fn || cb.fn === fn) {\n callbacks.splice(i, 1);\n break;\n }\n }\n\n // Remove event specific arrays for event types that no\n // one is subscribed for to avoid memory leak.\n if (callbacks.length === 0) {\n delete this._callbacks['$' + event];\n }\n\n return this;\n};\n\n/**\n * Emit `event` with the given args.\n *\n * @param {String} event\n * @param {Mixed} ...\n * @return {Emitter}\n */\n\nEmitter.prototype.emit = function(event){\n this._callbacks = this._callbacks || {};\n\n var args = new Array(arguments.length - 1)\n , callbacks = this._callbacks['$' + event];\n\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n\n if (callbacks) {\n callbacks = callbacks.slice(0);\n for (var i = 0, len = callbacks.length; i < len; ++i) {\n callbacks[i].apply(this, args);\n }\n }\n\n return this;\n};\n\n// alias used for reserved events (protected method)\nEmitter.prototype.emitReserved = Emitter.prototype.emit;\n\n/**\n * Return array of callbacks for `event`.\n *\n * @param {String} event\n * @return {Array}\n * @api public\n */\n\nEmitter.prototype.listeners = function(event){\n this._callbacks = this._callbacks || {};\n return this._callbacks['$' + event] || [];\n};\n\n/**\n * Check if this emitter has `event` handlers.\n *\n * @param {String} event\n * @return {Boolean}\n * @api public\n */\n\nEmitter.prototype.hasListeners = function(event){\n return !! this.listeners(event).length;\n};\n","export const globalThisShim = (() => {\n if (typeof self !== \"undefined\") {\n return self;\n }\n else if (typeof window !== \"undefined\") {\n return window;\n }\n else {\n return Function(\"return this\")();\n }\n})();\n","import { globalThisShim as globalThis } from \"./globalThis.js\";\nexport function pick(obj, ...attr) {\n return attr.reduce((acc, k) => {\n if (obj.hasOwnProperty(k)) {\n acc[k] = obj[k];\n }\n return acc;\n }, {});\n}\n// Keep a reference to the real timeout functions so they can be used when overridden\nconst NATIVE_SET_TIMEOUT = globalThis.setTimeout;\nconst NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout;\nexport function installTimerFunctions(obj, opts) {\n if (opts.useNativeTimers) {\n obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis);\n obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis);\n }\n else {\n obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis);\n obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis);\n }\n}\n// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64)\nconst BASE64_OVERHEAD = 1.33;\n// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9\nexport function byteLength(obj) {\n if (typeof obj === \"string\") {\n return utf8Length(obj);\n }\n // arraybuffer or blob\n return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD);\n}\nfunction utf8Length(str) {\n let c = 0, length = 0;\n for (let i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n length += 1;\n }\n else if (c < 0x800) {\n length += 2;\n }\n else if (c < 0xd800 || c >= 0xe000) {\n length += 3;\n }\n else {\n i++;\n length += 4;\n }\n }\n return length;\n}\n","import { decodePacket } from \"engine.io-parser\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions } from \"./util.js\";\nimport { encode } from \"./contrib/parseqs.js\";\nexport class TransportError extends Error {\n constructor(reason, description, context) {\n super(reason);\n this.description = description;\n this.context = context;\n this.type = \"TransportError\";\n }\n}\nexport class Transport extends Emitter {\n /**\n * Transport abstract constructor.\n *\n * @param {Object} opts - options\n * @protected\n */\n constructor(opts) {\n super();\n this.writable = false;\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.query = opts.query;\n this.socket = opts.socket;\n }\n /**\n * Emits an error.\n *\n * @param {String} reason\n * @param description\n * @param context - the error context\n * @return {Transport} for chaining\n * @protected\n */\n onError(reason, description, context) {\n super.emitReserved(\"error\", new TransportError(reason, description, context));\n return this;\n }\n /**\n * Opens the transport.\n */\n open() {\n this.readyState = \"opening\";\n this.doOpen();\n return this;\n }\n /**\n * Closes the transport.\n */\n close() {\n if (this.readyState === \"opening\" || this.readyState === \"open\") {\n this.doClose();\n this.onClose();\n }\n return this;\n }\n /**\n * Sends multiple packets.\n *\n * @param {Array} packets\n */\n send(packets) {\n if (this.readyState === \"open\") {\n this.write(packets);\n }\n else {\n // this might happen if the transport was silently closed in the beforeunload event handler\n }\n }\n /**\n * Called upon open\n *\n * @protected\n */\n onOpen() {\n this.readyState = \"open\";\n this.writable = true;\n super.emitReserved(\"open\");\n }\n /**\n * Called with data.\n *\n * @param {String} data\n * @protected\n */\n onData(data) {\n const packet = decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n }\n /**\n * Called with a decoded packet.\n *\n * @protected\n */\n onPacket(packet) {\n super.emitReserved(\"packet\", packet);\n }\n /**\n * Called upon close.\n *\n * @protected\n */\n onClose(details) {\n this.readyState = \"closed\";\n super.emitReserved(\"close\", details);\n }\n /**\n * Pauses the transport, in order not to lose packets during an upgrade.\n *\n * @param onPause\n */\n pause(onPause) { }\n createUri(schema, query = {}) {\n return (schema +\n \"://\" +\n this._hostname() +\n this._port() +\n this.opts.path +\n this._query(query));\n }\n _hostname() {\n const hostname = this.opts.hostname;\n return hostname.indexOf(\":\") === -1 ? hostname : \"[\" + hostname + \"]\";\n }\n _port() {\n if (this.opts.port &&\n ((this.opts.secure && Number(this.opts.port !== 443)) ||\n (!this.opts.secure && Number(this.opts.port) !== 80))) {\n return \":\" + this.opts.port;\n }\n else {\n return \"\";\n }\n }\n _query(query) {\n const encodedQuery = encode(query);\n return encodedQuery.length ? \"?\" + encodedQuery : \"\";\n }\n}\n","// imported from https://github.com/galkn/querystring\n/**\n * Compiles a querystring\n * Returns string representation of the object\n *\n * @param {Object}\n * @api private\n */\nexport function encode(obj) {\n let str = '';\n for (let i in obj) {\n if (obj.hasOwnProperty(i)) {\n if (str.length)\n str += '&';\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\n }\n }\n return str;\n}\n/**\n * Parses a simple querystring into an object\n *\n * @param {String} qs\n * @api private\n */\nexport function decode(qs) {\n let qry = {};\n let pairs = qs.split('&');\n for (let i = 0, l = pairs.length; i < l; i++) {\n let pair = pairs[i].split('=');\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n }\n return qry;\n}\n","// imported from https://github.com/unshiftio/yeast\n'use strict';\nconst alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {};\nlet seed = 0, i = 0, prev;\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nexport function encode(num) {\n let encoded = '';\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n return encoded;\n}\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nexport function decode(str) {\n let decoded = 0;\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n return decoded;\n}\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nexport function yeast() {\n const now = encode(+new Date());\n if (now !== prev)\n return seed = 0, prev = now;\n return now + '.' + encode(seed++);\n}\n//\n// Map each character to its index.\n//\nfor (; i < length; i++)\n map[alphabet[i]] = i;\n","// imported from https://github.com/component/has-cors\nlet value = false;\ntry {\n value = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n}\ncatch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n}\nexport const hasCORS = value;\n","// browser shim for xmlhttprequest module\nimport { hasCORS } from \"../contrib/has-cors.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nexport function XHR(opts) {\n const xdomain = opts.xdomain;\n // XMLHttpRequest can be disabled on IE\n try {\n if (\"undefined\" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n }\n catch (e) { }\n if (!xdomain) {\n try {\n return new globalThis[[\"Active\"].concat(\"Object\").join(\"X\")](\"Microsoft.XMLHTTP\");\n }\n catch (e) { }\n }\n}\nexport function createCookieJar() { }\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { encodePayload, decodePayload } from \"engine.io-parser\";\nimport { createCookieJar, XHR as XMLHttpRequest, } from \"./xmlhttprequest.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions, pick } from \"../util.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nfunction empty() { }\nconst hasXHR2 = (function () {\n const xhr = new XMLHttpRequest({\n xdomain: false,\n });\n return null != xhr.responseType;\n})();\nexport class Polling extends Transport {\n /**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @package\n */\n constructor(opts) {\n super(opts);\n this.polling = false;\n if (typeof location !== \"undefined\") {\n const isSSL = \"https:\" === location.protocol;\n let port = location.port;\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? \"443\" : \"80\";\n }\n this.xd =\n (typeof location !== \"undefined\" &&\n opts.hostname !== location.hostname) ||\n port !== opts.port;\n }\n /**\n * XHR supports binary\n */\n const forceBase64 = opts && opts.forceBase64;\n this.supportsBinary = hasXHR2 && !forceBase64;\n if (this.opts.withCredentials) {\n this.cookieJar = createCookieJar();\n }\n }\n get name() {\n return \"polling\";\n }\n /**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @protected\n */\n doOpen() {\n this.poll();\n }\n /**\n * Pauses polling.\n *\n * @param {Function} onPause - callback upon buffers are flushed and transport is paused\n * @package\n */\n pause(onPause) {\n this.readyState = \"pausing\";\n const pause = () => {\n this.readyState = \"paused\";\n onPause();\n };\n if (this.polling || !this.writable) {\n let total = 0;\n if (this.polling) {\n total++;\n this.once(\"pollComplete\", function () {\n --total || pause();\n });\n }\n if (!this.writable) {\n total++;\n this.once(\"drain\", function () {\n --total || pause();\n });\n }\n }\n else {\n pause();\n }\n }\n /**\n * Starts polling cycle.\n *\n * @private\n */\n poll() {\n this.polling = true;\n this.doPoll();\n this.emitReserved(\"poll\");\n }\n /**\n * Overloads onData to detect payloads.\n *\n * @protected\n */\n onData(data) {\n const callback = (packet) => {\n // if its the first message we consider the transport open\n if (\"opening\" === this.readyState && packet.type === \"open\") {\n this.onOpen();\n }\n // if its a close packet, we close the ongoing requests\n if (\"close\" === packet.type) {\n this.onClose({ description: \"transport closed by the server\" });\n return false;\n }\n // otherwise bypass onData and handle the message\n this.onPacket(packet);\n };\n // decode payload\n decodePayload(data, this.socket.binaryType).forEach(callback);\n // if an event did not trigger closing\n if (\"closed\" !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emitReserved(\"pollComplete\");\n if (\"open\" === this.readyState) {\n this.poll();\n }\n else {\n }\n }\n }\n /**\n * For polling, send a close packet.\n *\n * @protected\n */\n doClose() {\n const close = () => {\n this.write([{ type: \"close\" }]);\n };\n if (\"open\" === this.readyState) {\n close();\n }\n else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n this.once(\"open\", close);\n }\n }\n /**\n * Writes a packets payload.\n *\n * @param {Array} packets - data packets\n * @protected\n */\n write(packets) {\n this.writable = false;\n encodePayload(packets, (data) => {\n this.doWrite(data, () => {\n this.writable = true;\n this.emitReserved(\"drain\");\n });\n });\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"https\" : \"http\";\n const query = this.query || {};\n // cache busting is forced\n if (false !== this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Creates a request.\n *\n * @param {String} method\n * @private\n */\n request(opts = {}) {\n Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts);\n return new Request(this.uri(), opts);\n }\n /**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @private\n */\n doWrite(data, fn) {\n const req = this.request({\n method: \"POST\",\n data: data,\n });\n req.on(\"success\", fn);\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr post error\", xhrStatus, context);\n });\n }\n /**\n * Starts a poll cycle.\n *\n * @private\n */\n doPoll() {\n const req = this.request();\n req.on(\"data\", this.onData.bind(this));\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr poll error\", xhrStatus, context);\n });\n this.pollXhr = req;\n }\n}\nexport class Request extends Emitter {\n /**\n * Request constructor\n *\n * @param {Object} options\n * @package\n */\n constructor(uri, opts) {\n super();\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.method = opts.method || \"GET\";\n this.uri = uri;\n this.data = undefined !== opts.data ? opts.data : null;\n this.create();\n }\n /**\n * Creates the XHR object and sends the request.\n *\n * @private\n */\n create() {\n var _a;\n const opts = pick(this.opts, \"agent\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"autoUnref\");\n opts.xdomain = !!this.opts.xd;\n const xhr = (this.xhr = new XMLHttpRequest(opts));\n try {\n xhr.open(this.method, this.uri, true);\n try {\n if (this.opts.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (let i in this.opts.extraHeaders) {\n if (this.opts.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.opts.extraHeaders[i]);\n }\n }\n }\n }\n catch (e) { }\n if (\"POST\" === this.method) {\n try {\n xhr.setRequestHeader(\"Content-type\", \"text/plain;charset=UTF-8\");\n }\n catch (e) { }\n }\n try {\n xhr.setRequestHeader(\"Accept\", \"*/*\");\n }\n catch (e) { }\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr);\n // ie6 check\n if (\"withCredentials\" in xhr) {\n xhr.withCredentials = this.opts.withCredentials;\n }\n if (this.opts.requestTimeout) {\n xhr.timeout = this.opts.requestTimeout;\n }\n xhr.onreadystatechange = () => {\n var _a;\n if (xhr.readyState === 3) {\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr);\n }\n if (4 !== xhr.readyState)\n return;\n if (200 === xhr.status || 1223 === xhr.status) {\n this.onLoad();\n }\n else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n this.setTimeoutFn(() => {\n this.onError(typeof xhr.status === \"number\" ? xhr.status : 0);\n }, 0);\n }\n };\n xhr.send(this.data);\n }\n catch (e) {\n // Need to defer since .create() is called directly from the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n this.setTimeoutFn(() => {\n this.onError(e);\n }, 0);\n return;\n }\n if (typeof document !== \"undefined\") {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n }\n /**\n * Called upon error.\n *\n * @private\n */\n onError(err) {\n this.emitReserved(\"error\", err, this.xhr);\n this.cleanup(true);\n }\n /**\n * Cleans up house.\n *\n * @private\n */\n cleanup(fromError) {\n if (\"undefined\" === typeof this.xhr || null === this.xhr) {\n return;\n }\n this.xhr.onreadystatechange = empty;\n if (fromError) {\n try {\n this.xhr.abort();\n }\n catch (e) { }\n }\n if (typeof document !== \"undefined\") {\n delete Request.requests[this.index];\n }\n this.xhr = null;\n }\n /**\n * Called upon load.\n *\n * @private\n */\n onLoad() {\n const data = this.xhr.responseText;\n if (data !== null) {\n this.emitReserved(\"data\", data);\n this.emitReserved(\"success\");\n this.cleanup();\n }\n }\n /**\n * Aborts the request.\n *\n * @package\n */\n abort() {\n this.cleanup();\n }\n}\nRequest.requestsCount = 0;\nRequest.requests = {};\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\nif (typeof document !== \"undefined\") {\n // @ts-ignore\n if (typeof attachEvent === \"function\") {\n // @ts-ignore\n attachEvent(\"onunload\", unloadHandler);\n }\n else if (typeof addEventListener === \"function\") {\n const terminationEvent = \"onpagehide\" in globalThis ? \"pagehide\" : \"unload\";\n addEventListener(terminationEvent, unloadHandler, false);\n }\n}\nfunction unloadHandler() {\n for (let i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n","import { globalThisShim as globalThis } from \"../globalThis.js\";\nexport const nextTick = (() => {\n const isPromiseAvailable = typeof Promise === \"function\" && typeof Promise.resolve === \"function\";\n if (isPromiseAvailable) {\n return (cb) => Promise.resolve().then(cb);\n }\n else {\n return (cb, setTimeoutFn) => setTimeoutFn(cb, 0);\n }\n})();\nexport const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket;\nexport const usingBrowserWebSocket = true;\nexport const defaultBinaryType = \"arraybuffer\";\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { pick } from \"../util.js\";\nimport { nextTick, usingBrowserWebSocket, WebSocket, } from \"./websocket-constructor.js\";\nimport { encodePacket } from \"engine.io-parser\";\n// detect ReactNative environment\nconst isReactNative = typeof navigator !== \"undefined\" &&\n typeof navigator.product === \"string\" &&\n navigator.product.toLowerCase() === \"reactnative\";\nexport class WS extends Transport {\n /**\n * WebSocket transport constructor.\n *\n * @param {Object} opts - connection options\n * @protected\n */\n constructor(opts) {\n super(opts);\n this.supportsBinary = !opts.forceBase64;\n }\n get name() {\n return \"websocket\";\n }\n doOpen() {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n const uri = this.uri();\n const protocols = this.opts.protocols;\n // React Native only supports the 'headers' option, and will print a warning if anything else is passed\n const opts = isReactNative\n ? {}\n : pick(this.opts, \"agent\", \"perMessageDeflate\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"localAddress\", \"protocolVersion\", \"origin\", \"maxPayload\", \"family\", \"checkServerIdentity\");\n if (this.opts.extraHeaders) {\n opts.headers = this.opts.extraHeaders;\n }\n try {\n this.ws =\n usingBrowserWebSocket && !isReactNative\n ? protocols\n ? new WebSocket(uri, protocols)\n : new WebSocket(uri)\n : new WebSocket(uri, protocols, opts);\n }\n catch (err) {\n return this.emitReserved(\"error\", err);\n }\n this.ws.binaryType = this.socket.binaryType;\n this.addEventListeners();\n }\n /**\n * Adds event listeners to the socket\n *\n * @private\n */\n addEventListeners() {\n this.ws.onopen = () => {\n if (this.opts.autoUnref) {\n this.ws._socket.unref();\n }\n this.onOpen();\n };\n this.ws.onclose = (closeEvent) => this.onClose({\n description: \"websocket connection closed\",\n context: closeEvent,\n });\n this.ws.onmessage = (ev) => this.onData(ev.data);\n this.ws.onerror = (e) => this.onError(\"websocket error\", e);\n }\n write(packets) {\n this.writable = false;\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n encodePacket(packet, this.supportsBinary, (data) => {\n // always create a new object (GH-437)\n const opts = {};\n if (!usingBrowserWebSocket) {\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n if (this.opts.perMessageDeflate) {\n const len = \n // @ts-ignore\n \"string\" === typeof data ? Buffer.byteLength(data) : data.length;\n if (len < this.opts.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n this.ws.send(data);\n }\n else {\n this.ws.send(data, opts);\n }\n }\n catch (e) {\n }\n if (lastPacket) {\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n if (typeof this.ws !== \"undefined\") {\n this.ws.close();\n this.ws = null;\n }\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"wss\" : \"ws\";\n const query = this.query || {};\n // append timestamp to URI\n if (this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @private\n */\n check() {\n return !!WebSocket;\n }\n}\n","import { Polling } from \"./polling.js\";\nimport { WS } from \"./websocket.js\";\nimport { WT } from \"./webtransport.js\";\nexport const transports = {\n websocket: WS,\n webtransport: WT,\n polling: Polling,\n};\n","import { Transport } from \"../transport.js\";\nimport { nextTick } from \"./websocket-constructor.js\";\nimport { createPacketDecoderStream, createPacketEncoderStream, } from \"engine.io-parser\";\nexport class WT extends Transport {\n get name() {\n return \"webtransport\";\n }\n doOpen() {\n // @ts-ignore\n if (typeof WebTransport !== \"function\") {\n return;\n }\n // @ts-ignore\n this.transport = new WebTransport(this.createUri(\"https\"), this.opts.transportOptions[this.name]);\n this.transport.closed\n .then(() => {\n this.onClose();\n })\n .catch((err) => {\n this.onError(\"webtransport error\", err);\n });\n // note: we could have used async/await, but that would require some additional polyfills\n this.transport.ready.then(() => {\n this.transport.createBidirectionalStream().then((stream) => {\n const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType);\n const reader = stream.readable.pipeThrough(decoderStream).getReader();\n const encoderStream = createPacketEncoderStream();\n encoderStream.readable.pipeTo(stream.writable);\n this.writer = encoderStream.writable.getWriter();\n const read = () => {\n reader\n .read()\n .then(({ done, value }) => {\n if (done) {\n return;\n }\n this.onPacket(value);\n read();\n })\n .catch((err) => {\n });\n };\n read();\n const packet = { type: \"open\" };\n if (this.query.sid) {\n packet.data = `{\"sid\":\"${this.query.sid}\"}`;\n }\n this.writer.write(packet).then(() => this.onOpen());\n });\n });\n }\n write(packets) {\n this.writable = false;\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n this.writer.write(packet).then(() => {\n if (lastPacket) {\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n var _a;\n (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close();\n }\n}\n","// imported from https://github.com/galkn/parseuri\n/**\n * Parses a URI\n *\n * Note: we could also have used the built-in URL object, but it isn't supported on all platforms.\n *\n * See:\n * - https://developer.mozilla.org/en-US/docs/Web/API/URL\n * - https://caniuse.com/url\n * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B\n *\n * History of the parse() method:\n * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c\n * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3\n * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242\n *\n * @author Steven Levithan (MIT license)\n * @api private\n */\nconst re = /^(?:(?![^:@\\/?#]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@\\/?#]*)(?::([^:@\\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\nconst parts = [\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\n];\nexport function parse(str) {\n if (str.length > 2000) {\n throw \"URI too long\";\n }\n const src = str, b = str.indexOf('['), e = str.indexOf(']');\n if (b != -1 && e != -1) {\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\n }\n let m = re.exec(str || ''), uri = {}, i = 14;\n while (i--) {\n uri[parts[i]] = m[i] || '';\n }\n if (b != -1 && e != -1) {\n uri.source = src;\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\n uri.ipv6uri = true;\n }\n uri.pathNames = pathNames(uri, uri['path']);\n uri.queryKey = queryKey(uri, uri['query']);\n return uri;\n}\nfunction pathNames(obj, path) {\n const regx = /\\/{2,9}/g, names = path.replace(regx, \"/\").split(\"/\");\n if (path.slice(0, 1) == '/' || path.length === 0) {\n names.splice(0, 1);\n }\n if (path.slice(-1) == '/') {\n names.splice(names.length - 1, 1);\n }\n return names;\n}\nfunction queryKey(uri, query) {\n const data = {};\n query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {\n if ($1) {\n data[$1] = $2;\n }\n });\n return data;\n}\n","import { transports } from \"./transports/index.js\";\nimport { installTimerFunctions, byteLength } from \"./util.js\";\nimport { decode } from \"./contrib/parseqs.js\";\nimport { parse } from \"./contrib/parseuri.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { protocol } from \"engine.io-parser\";\nimport { defaultBinaryType } from \"./transports/websocket-constructor.js\";\nexport class Socket extends Emitter {\n /**\n * Socket constructor.\n *\n * @param {String|Object} uri - uri or options\n * @param {Object} opts - options\n */\n constructor(uri, opts = {}) {\n super();\n this.binaryType = defaultBinaryType;\n this.writeBuffer = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = null;\n }\n if (uri) {\n uri = parse(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === \"https\" || uri.protocol === \"wss\";\n opts.port = uri.port;\n if (uri.query)\n opts.query = uri.query;\n }\n else if (opts.host) {\n opts.hostname = parse(opts.host).host;\n }\n installTimerFunctions(this, opts);\n this.secure =\n null != opts.secure\n ? opts.secure\n : typeof location !== \"undefined\" && \"https:\" === location.protocol;\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? \"443\" : \"80\";\n }\n this.hostname =\n opts.hostname ||\n (typeof location !== \"undefined\" ? location.hostname : \"localhost\");\n this.port =\n opts.port ||\n (typeof location !== \"undefined\" && location.port\n ? location.port\n : this.secure\n ? \"443\"\n : \"80\");\n this.transports = opts.transports || [\n \"polling\",\n \"websocket\",\n \"webtransport\",\n ];\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.opts = Object.assign({\n path: \"/engine.io\",\n agent: false,\n withCredentials: false,\n upgrade: true,\n timestampParam: \"t\",\n rememberUpgrade: false,\n addTrailingSlash: true,\n rejectUnauthorized: true,\n perMessageDeflate: {\n threshold: 1024,\n },\n transportOptions: {},\n closeOnBeforeunload: false,\n }, opts);\n this.opts.path =\n this.opts.path.replace(/\\/$/, \"\") +\n (this.opts.addTrailingSlash ? \"/\" : \"\");\n if (typeof this.opts.query === \"string\") {\n this.opts.query = decode(this.opts.query);\n }\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n // set on heartbeat\n this.pingTimeoutTimer = null;\n if (typeof addEventListener === \"function\") {\n if (this.opts.closeOnBeforeunload) {\n // Firefox closes the connection when the \"beforeunload\" event is emitted but not Chrome. This event listener\n // ensures every browser behaves the same (no \"disconnect\" event at the Socket.IO level when the page is\n // closed/reloaded)\n this.beforeunloadEventListener = () => {\n if (this.transport) {\n // silently close the transport\n this.transport.removeAllListeners();\n this.transport.close();\n }\n };\n addEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n }\n if (this.hostname !== \"localhost\") {\n this.offlineEventListener = () => {\n this.onClose(\"transport close\", {\n description: \"network connection lost\",\n });\n };\n addEventListener(\"offline\", this.offlineEventListener, false);\n }\n }\n this.open();\n }\n /**\n * Creates transport of the given type.\n *\n * @param {String} name - transport name\n * @return {Transport}\n * @private\n */\n createTransport(name) {\n const query = Object.assign({}, this.opts.query);\n // append engine.io protocol identifier\n query.EIO = protocol;\n // transport name\n query.transport = name;\n // session id if we already have one\n if (this.id)\n query.sid = this.id;\n const opts = Object.assign({}, this.opts, {\n query,\n socket: this,\n hostname: this.hostname,\n secure: this.secure,\n port: this.port,\n }, this.opts.transportOptions[name]);\n return new transports[name](opts);\n }\n /**\n * Initializes transport to use and starts probe.\n *\n * @private\n */\n open() {\n let transport;\n if (this.opts.rememberUpgrade &&\n Socket.priorWebsocketSuccess &&\n this.transports.indexOf(\"websocket\") !== -1) {\n transport = \"websocket\";\n }\n else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n this.setTimeoutFn(() => {\n this.emitReserved(\"error\", \"No transports available\");\n }, 0);\n return;\n }\n else {\n transport = this.transports[0];\n }\n this.readyState = \"opening\";\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n }\n catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n transport.open();\n this.setTransport(transport);\n }\n /**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @private\n */\n setTransport(transport) {\n if (this.transport) {\n this.transport.removeAllListeners();\n }\n // set up transport\n this.transport = transport;\n // set up transport listeners\n transport\n .on(\"drain\", this.onDrain.bind(this))\n .on(\"packet\", this.onPacket.bind(this))\n .on(\"error\", this.onError.bind(this))\n .on(\"close\", (reason) => this.onClose(\"transport close\", reason));\n }\n /**\n * Probes a transport.\n *\n * @param {String} name - transport name\n * @private\n */\n probe(name) {\n let transport = this.createTransport(name);\n let failed = false;\n Socket.priorWebsocketSuccess = false;\n const onTransportOpen = () => {\n if (failed)\n return;\n transport.send([{ type: \"ping\", data: \"probe\" }]);\n transport.once(\"packet\", (msg) => {\n if (failed)\n return;\n if (\"pong\" === msg.type && \"probe\" === msg.data) {\n this.upgrading = true;\n this.emitReserved(\"upgrading\", transport);\n if (!transport)\n return;\n Socket.priorWebsocketSuccess = \"websocket\" === transport.name;\n this.transport.pause(() => {\n if (failed)\n return;\n if (\"closed\" === this.readyState)\n return;\n cleanup();\n this.setTransport(transport);\n transport.send([{ type: \"upgrade\" }]);\n this.emitReserved(\"upgrade\", transport);\n transport = null;\n this.upgrading = false;\n this.flush();\n });\n }\n else {\n const err = new Error(\"probe error\");\n // @ts-ignore\n err.transport = transport.name;\n this.emitReserved(\"upgradeError\", err);\n }\n });\n };\n function freezeTransport() {\n if (failed)\n return;\n // Any callback called by transport should be ignored since now\n failed = true;\n cleanup();\n transport.close();\n transport = null;\n }\n // Handle any error that happens while probing\n const onerror = (err) => {\n const error = new Error(\"probe error: \" + err);\n // @ts-ignore\n error.transport = transport.name;\n freezeTransport();\n this.emitReserved(\"upgradeError\", error);\n };\n function onTransportClose() {\n onerror(\"transport closed\");\n }\n // When the socket is closed while we're probing\n function onclose() {\n onerror(\"socket closed\");\n }\n // When the socket is upgraded while we're probing\n function onupgrade(to) {\n if (transport && to.name !== transport.name) {\n freezeTransport();\n }\n }\n // Remove all listeners on the transport and on self\n const cleanup = () => {\n transport.removeListener(\"open\", onTransportOpen);\n transport.removeListener(\"error\", onerror);\n transport.removeListener(\"close\", onTransportClose);\n this.off(\"close\", onclose);\n this.off(\"upgrading\", onupgrade);\n };\n transport.once(\"open\", onTransportOpen);\n transport.once(\"error\", onerror);\n transport.once(\"close\", onTransportClose);\n this.once(\"close\", onclose);\n this.once(\"upgrading\", onupgrade);\n if (this.upgrades.indexOf(\"webtransport\") !== -1 &&\n name !== \"webtransport\") {\n // favor WebTransport\n this.setTimeoutFn(() => {\n if (!failed) {\n transport.open();\n }\n }, 200);\n }\n else {\n transport.open();\n }\n }\n /**\n * Called when connection is deemed open.\n *\n * @private\n */\n onOpen() {\n this.readyState = \"open\";\n Socket.priorWebsocketSuccess = \"websocket\" === this.transport.name;\n this.emitReserved(\"open\");\n this.flush();\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if (\"open\" === this.readyState && this.opts.upgrade) {\n let i = 0;\n const l = this.upgrades.length;\n for (; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n }\n /**\n * Handles a packet.\n *\n * @private\n */\n onPacket(packet) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n this.emitReserved(\"packet\", packet);\n // Socket is live - any packet counts\n this.emitReserved(\"heartbeat\");\n this.resetPingTimeout();\n switch (packet.type) {\n case \"open\":\n this.onHandshake(JSON.parse(packet.data));\n break;\n case \"ping\":\n this.sendPacket(\"pong\");\n this.emitReserved(\"ping\");\n this.emitReserved(\"pong\");\n break;\n case \"error\":\n const err = new Error(\"server error\");\n // @ts-ignore\n err.code = packet.data;\n this.onError(err);\n break;\n case \"message\":\n this.emitReserved(\"data\", packet.data);\n this.emitReserved(\"message\", packet.data);\n break;\n }\n }\n else {\n }\n }\n /**\n * Called upon handshake completion.\n *\n * @param {Object} data - handshake obj\n * @private\n */\n onHandshake(data) {\n this.emitReserved(\"handshake\", data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.maxPayload = data.maxPayload;\n this.onOpen();\n // In case open handler closes socket\n if (\"closed\" === this.readyState)\n return;\n this.resetPingTimeout();\n }\n /**\n * Sets and resets ping timeout timer based on server pings.\n *\n * @private\n */\n resetPingTimeout() {\n this.clearTimeoutFn(this.pingTimeoutTimer);\n this.pingTimeoutTimer = this.setTimeoutFn(() => {\n this.onClose(\"ping timeout\");\n }, this.pingInterval + this.pingTimeout);\n if (this.opts.autoUnref) {\n this.pingTimeoutTimer.unref();\n }\n }\n /**\n * Called on `drain` event\n *\n * @private\n */\n onDrain() {\n this.writeBuffer.splice(0, this.prevBufferLen);\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n if (0 === this.writeBuffer.length) {\n this.emitReserved(\"drain\");\n }\n else {\n this.flush();\n }\n }\n /**\n * Flush write buffers.\n *\n * @private\n */\n flush() {\n if (\"closed\" !== this.readyState &&\n this.transport.writable &&\n !this.upgrading &&\n this.writeBuffer.length) {\n const packets = this.getWritablePackets();\n this.transport.send(packets);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = packets.length;\n this.emitReserved(\"flush\");\n }\n }\n /**\n * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP\n * long-polling)\n *\n * @private\n */\n getWritablePackets() {\n const shouldCheckPayloadSize = this.maxPayload &&\n this.transport.name === \"polling\" &&\n this.writeBuffer.length > 1;\n if (!shouldCheckPayloadSize) {\n return this.writeBuffer;\n }\n let payloadSize = 1; // first packet type\n for (let i = 0; i < this.writeBuffer.length; i++) {\n const data = this.writeBuffer[i].data;\n if (data) {\n payloadSize += byteLength(data);\n }\n if (i > 0 && payloadSize > this.maxPayload) {\n return this.writeBuffer.slice(0, i);\n }\n payloadSize += 2; // separator + packet type\n }\n return this.writeBuffer;\n }\n /**\n * Sends a message.\n *\n * @param {String} msg - message.\n * @param {Object} options.\n * @param {Function} callback function.\n * @return {Socket} for chaining.\n */\n write(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n send(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n /**\n * Sends a packet.\n *\n * @param {String} type: packet type.\n * @param {String} data.\n * @param {Object} options.\n * @param {Function} fn - callback function.\n * @private\n */\n sendPacket(type, data, options, fn) {\n if (\"function\" === typeof data) {\n fn = data;\n data = undefined;\n }\n if (\"function\" === typeof options) {\n fn = options;\n options = null;\n }\n if (\"closing\" === this.readyState || \"closed\" === this.readyState) {\n return;\n }\n options = options || {};\n options.compress = false !== options.compress;\n const packet = {\n type: type,\n data: data,\n options: options,\n };\n this.emitReserved(\"packetCreate\", packet);\n this.writeBuffer.push(packet);\n if (fn)\n this.once(\"flush\", fn);\n this.flush();\n }\n /**\n * Closes the connection.\n */\n close() {\n const close = () => {\n this.onClose(\"forced close\");\n this.transport.close();\n };\n const cleanupAndClose = () => {\n this.off(\"upgrade\", cleanupAndClose);\n this.off(\"upgradeError\", cleanupAndClose);\n close();\n };\n const waitForUpgrade = () => {\n // wait for upgrade to finish since we can't send packets while pausing a transport\n this.once(\"upgrade\", cleanupAndClose);\n this.once(\"upgradeError\", cleanupAndClose);\n };\n if (\"opening\" === this.readyState || \"open\" === this.readyState) {\n this.readyState = \"closing\";\n if (this.writeBuffer.length) {\n this.once(\"drain\", () => {\n if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n });\n }\n else if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n }\n return this;\n }\n /**\n * Called upon transport error\n *\n * @private\n */\n onError(err) {\n Socket.priorWebsocketSuccess = 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\ No newline at end of file diff --git a/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.js b/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.js new file mode 100644 index 00000000..335b8ca9 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.js @@ -0,0 +1,2357 @@ +/*! + * Engine.IO v6.5.3 + * (c) 2014-2023 Guillermo Rauch + * Released under the MIT License. + */ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.eio = factory()); +})(this, (function () { 'use strict'; + + function _typeof(obj) { + "@babel/helpers - typeof"; + + if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { + _typeof = function (obj) { + return typeof obj; + }; + } else { + _typeof = function (obj) { + return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; + }; + } + return _typeof(obj); + } + function _classCallCheck(instance, Constructor) { + if (!(instance instanceof Constructor)) { + throw new TypeError("Cannot call a class as a function"); + } + } + function _defineProperties(target, props) { + for (var i = 0; i < props.length; i++) { + var descriptor = props[i]; + descriptor.enumerable = descriptor.enumerable || false; + descriptor.configurable = true; + if ("value" in descriptor) descriptor.writable = true; + Object.defineProperty(target, descriptor.key, descriptor); + } + } + function _createClass(Constructor, protoProps, staticProps) { + if (protoProps) _defineProperties(Constructor.prototype, protoProps); + if (staticProps) _defineProperties(Constructor, staticProps); + return Constructor; + } + function _extends() { + _extends = Object.assign || function (target) { + for (var i = 1; i < arguments.length; i++) { + var source = arguments[i]; + for (var key in source) { + if (Object.prototype.hasOwnProperty.call(source, key)) { + target[key] = source[key]; + } + } + } + return target; + }; + return _extends.apply(this, arguments); + } + function _inherits(subClass, superClass) { + if (typeof superClass !== "function" && superClass !== null) { + throw new TypeError("Super expression must either be null or a function"); + } + subClass.prototype = Object.create(superClass && superClass.prototype, { + constructor: { + value: subClass, + writable: true, + configurable: true + } + }); + if (superClass) _setPrototypeOf(subClass, superClass); + } + function _getPrototypeOf(o) { + _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { + return o.__proto__ || Object.getPrototypeOf(o); + }; + return _getPrototypeOf(o); + } + function _setPrototypeOf(o, p) { + _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { + o.__proto__ = p; + return o; + }; + return _setPrototypeOf(o, p); + } + function _isNativeReflectConstruct() { + if (typeof Reflect === "undefined" || !Reflect.construct) return false; + if (Reflect.construct.sham) return false; + if (typeof Proxy === "function") return true; + try { + Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); + return true; + } catch (e) { + return false; + } + } + function _construct(Parent, args, Class) { + if (_isNativeReflectConstruct()) { + _construct = Reflect.construct; + } else { + _construct = function _construct(Parent, args, Class) { + var a = [null]; + a.push.apply(a, args); + var Constructor = Function.bind.apply(Parent, a); + var instance = new Constructor(); + if (Class) _setPrototypeOf(instance, Class.prototype); + return instance; + }; + } + return _construct.apply(null, arguments); + } + function _isNativeFunction(fn) { + return Function.toString.call(fn).indexOf("[native code]") !== -1; + } + function _wrapNativeSuper(Class) { + var _cache = typeof Map === "function" ? new Map() : undefined; + _wrapNativeSuper = function _wrapNativeSuper(Class) { + if (Class === null || !_isNativeFunction(Class)) return Class; + if (typeof Class !== "function") { + throw new TypeError("Super expression must either be null or a function"); + } + if (typeof _cache !== "undefined") { + if (_cache.has(Class)) return _cache.get(Class); + _cache.set(Class, Wrapper); + } + function Wrapper() { + return _construct(Class, arguments, _getPrototypeOf(this).constructor); + } + Wrapper.prototype = Object.create(Class.prototype, { + constructor: { + value: Wrapper, + enumerable: false, + writable: true, + configurable: true + } + }); + return _setPrototypeOf(Wrapper, Class); + }; + return _wrapNativeSuper(Class); + } + function _assertThisInitialized(self) { + if (self === void 0) { + throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); + } + return self; + } + function _possibleConstructorReturn(self, call) { + if (call && (typeof call === "object" || typeof call === "function")) { + return call; + } + return _assertThisInitialized(self); + } + function _createSuper(Derived) { + var hasNativeReflectConstruct = _isNativeReflectConstruct(); + return function _createSuperInternal() { + var Super = _getPrototypeOf(Derived), + result; + if (hasNativeReflectConstruct) { + var NewTarget = _getPrototypeOf(this).constructor; + result = Reflect.construct(Super, arguments, NewTarget); + } else { + result = Super.apply(this, arguments); + } + return _possibleConstructorReturn(this, result); + }; + } + function _superPropBase(object, property) { + while (!Object.prototype.hasOwnProperty.call(object, property)) { + object = _getPrototypeOf(object); + if (object === null) break; + } + return object; + } + function _get(target, property, receiver) { + if (typeof Reflect !== "undefined" && Reflect.get) { + _get = Reflect.get; + } else { + _get = function _get(target, property, receiver) { + var base = _superPropBase(target, property); + if (!base) return; + var desc = Object.getOwnPropertyDescriptor(base, property); + if (desc.get) { + return desc.get.call(receiver); + } + return desc.value; + }; + } + return _get(target, property, receiver || target); + } + + var PACKET_TYPES = Object.create(null); // no Map = no polyfill + PACKET_TYPES["open"] = "0"; + PACKET_TYPES["close"] = "1"; + PACKET_TYPES["ping"] = "2"; + PACKET_TYPES["pong"] = "3"; + PACKET_TYPES["message"] = "4"; + PACKET_TYPES["upgrade"] = "5"; + PACKET_TYPES["noop"] = "6"; + var PACKET_TYPES_REVERSE = Object.create(null); + Object.keys(PACKET_TYPES).forEach(function (key) { + PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key; + }); + var ERROR_PACKET = { + type: "error", + data: "parser error" + }; + + var withNativeBlob = typeof Blob === "function" || typeof Blob !== "undefined" && Object.prototype.toString.call(Blob) === "[object BlobConstructor]"; + var withNativeArrayBuffer$1 = typeof ArrayBuffer === "function"; + // ArrayBuffer.isView method is not defined in IE10 + var isView = function isView(obj) { + return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj && obj.buffer instanceof ArrayBuffer; + }; + var encodePacket = function encodePacket(_ref, supportsBinary, callback) { + var type = _ref.type, + data = _ref.data; + if (withNativeBlob && data instanceof Blob) { + if (supportsBinary) { + return callback(data); + } else { + return encodeBlobAsBase64(data, callback); + } + } else if (withNativeArrayBuffer$1 && (data instanceof ArrayBuffer || isView(data))) { + if (supportsBinary) { + return callback(data); + } else { + return encodeBlobAsBase64(new Blob([data]), callback); + } + } + // plain string + return callback(PACKET_TYPES[type] + (data || "")); + }; + var encodeBlobAsBase64 = function encodeBlobAsBase64(data, callback) { + var fileReader = new FileReader(); + fileReader.onload = function () { + var content = fileReader.result.split(",")[1]; + callback("b" + (content || "")); + }; + return fileReader.readAsDataURL(data); + }; + function toArray(data) { + if (data instanceof Uint8Array) { + return data; + } else if (data instanceof ArrayBuffer) { + return new Uint8Array(data); + } else { + return new Uint8Array(data.buffer, data.byteOffset, data.byteLength); + } + } + var TEXT_ENCODER; + function encodePacketToBinary(packet, callback) { + if (withNativeBlob && packet.data instanceof Blob) { + return packet.data.arrayBuffer().then(toArray).then(callback); + } else if (withNativeArrayBuffer$1 && (packet.data instanceof ArrayBuffer || isView(packet.data))) { + return callback(toArray(packet.data)); + } + encodePacket(packet, false, function (encoded) { + if (!TEXT_ENCODER) { + TEXT_ENCODER = new TextEncoder(); + } + callback(TEXT_ENCODER.encode(encoded)); + }); + } + + // imported from https://github.com/socketio/base64-arraybuffer + var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; + // Use a lookup table to find the index. + var lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256); + for (var i$1 = 0; i$1 < chars.length; i$1++) { + lookup[chars.charCodeAt(i$1)] = i$1; + } + var decode$1 = function decode(base64) { + var bufferLength = base64.length * 0.75, + len = base64.length, + i, + p = 0, + encoded1, + encoded2, + encoded3, + encoded4; + if (base64[base64.length - 1] === '=') { + bufferLength--; + if (base64[base64.length - 2] === '=') { + bufferLength--; + } + } + var arraybuffer = new ArrayBuffer(bufferLength), + bytes = new Uint8Array(arraybuffer); + for (i = 0; i < len; i += 4) { + encoded1 = lookup[base64.charCodeAt(i)]; + encoded2 = lookup[base64.charCodeAt(i + 1)]; + encoded3 = lookup[base64.charCodeAt(i + 2)]; + encoded4 = lookup[base64.charCodeAt(i + 3)]; + bytes[p++] = encoded1 << 2 | encoded2 >> 4; + bytes[p++] = (encoded2 & 15) << 4 | encoded3 >> 2; + bytes[p++] = (encoded3 & 3) << 6 | encoded4 & 63; + } + return arraybuffer; + }; + + var withNativeArrayBuffer = typeof ArrayBuffer === "function"; + var decodePacket = function decodePacket(encodedPacket, binaryType) { + if (typeof encodedPacket !== "string") { + return { + type: "message", + data: mapBinary(encodedPacket, binaryType) + }; + } + var type = encodedPacket.charAt(0); + if (type === "b") { + return { + type: "message", + data: decodeBase64Packet(encodedPacket.substring(1), binaryType) + }; + } + var packetType = PACKET_TYPES_REVERSE[type]; + if (!packetType) { + return ERROR_PACKET; + } + return encodedPacket.length > 1 ? { + type: PACKET_TYPES_REVERSE[type], + data: encodedPacket.substring(1) + } : { + type: PACKET_TYPES_REVERSE[type] + }; + }; + var decodeBase64Packet = function decodeBase64Packet(data, binaryType) { + if (withNativeArrayBuffer) { + var decoded = decode$1(data); + return mapBinary(decoded, binaryType); + } else { + return { + base64: true, + data: data + }; // fallback for old browsers + } + }; + + var mapBinary = function mapBinary(data, binaryType) { + switch (binaryType) { + case "blob": + if (data instanceof Blob) { + // from WebSocket + binaryType "blob" + return data; + } else { + // from HTTP long-polling or WebTransport + return new Blob([data]); + } + case "arraybuffer": + default: + if (data instanceof ArrayBuffer) { + // from HTTP long-polling (base64) or WebSocket + binaryType "arraybuffer" + return data; + } else { + // from WebTransport (Uint8Array) + return data.buffer; + } + } + }; + + var SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text + var encodePayload = function encodePayload(packets, callback) { + // some packets may be added to the array while encoding, so the initial length must be saved + var length = packets.length; + var encodedPackets = new Array(length); + var count = 0; + packets.forEach(function (packet, i) { + // force base64 encoding for binary packets + encodePacket(packet, false, function (encodedPacket) { + encodedPackets[i] = encodedPacket; + if (++count === length) { + callback(encodedPackets.join(SEPARATOR)); + } + }); + }); + }; + var decodePayload = function decodePayload(encodedPayload, binaryType) { + var encodedPackets = encodedPayload.split(SEPARATOR); + var packets = []; + for (var i = 0; i < encodedPackets.length; i++) { + var decodedPacket = decodePacket(encodedPackets[i], binaryType); + packets.push(decodedPacket); + if (decodedPacket.type === "error") { + break; + } + } + return packets; + }; + function createPacketEncoderStream() { + return new TransformStream({ + transform: function transform(packet, controller) { + encodePacketToBinary(packet, function (encodedPacket) { + var payloadLength = encodedPacket.length; + var header; + // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length + if (payloadLength < 126) { + header = new Uint8Array(1); + new DataView(header.buffer).setUint8(0, payloadLength); + } else if (payloadLength < 65536) { + header = new Uint8Array(3); + var view = new DataView(header.buffer); + view.setUint8(0, 126); + view.setUint16(1, payloadLength); + } else { + header = new Uint8Array(9); + var _view = new DataView(header.buffer); + _view.setUint8(0, 127); + _view.setBigUint64(1, BigInt(payloadLength)); + } + // first bit indicates whether the payload is plain text (0) or binary (1) + if (packet.data && typeof packet.data !== "string") { + header[0] |= 0x80; + } + controller.enqueue(header); + controller.enqueue(encodedPacket); + }); + } + }); + } + var TEXT_DECODER; + function totalLength(chunks) { + return chunks.reduce(function (acc, chunk) { + return acc + chunk.length; + }, 0); + } + function concatChunks(chunks, size) { + if (chunks[0].length === size) { + return chunks.shift(); + } + var buffer = new Uint8Array(size); + var j = 0; + for (var i = 0; i < size; i++) { + buffer[i] = chunks[0][j++]; + if (j === chunks[0].length) { + chunks.shift(); + j = 0; + } + } + if (chunks.length && j < chunks[0].length) { + chunks[0] = chunks[0].slice(j); + } + return buffer; + } + function createPacketDecoderStream(maxPayload, binaryType) { + if (!TEXT_DECODER) { + TEXT_DECODER = new TextDecoder(); + } + var chunks = []; + var state = 0 /* READ_HEADER */; + var expectedLength = -1; + var isBinary = false; + return new TransformStream({ + transform: function transform(chunk, controller) { + chunks.push(chunk); + while (true) { + if (state === 0 /* READ_HEADER */) { + if (totalLength(chunks) < 1) { + break; + } + var header = concatChunks(chunks, 1); + isBinary = (header[0] & 0x80) === 0x80; + expectedLength = header[0] & 0x7f; + if (expectedLength < 126) { + state = 3 /* READ_PAYLOAD */; + } else if (expectedLength === 126) { + state = 1 /* READ_EXTENDED_LENGTH_16 */; + } else { + state = 2 /* READ_EXTENDED_LENGTH_64 */; + } + } else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) { + if (totalLength(chunks) < 2) { + break; + } + var headerArray = concatChunks(chunks, 2); + expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0); + state = 3 /* READ_PAYLOAD */; + } else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) { + if (totalLength(chunks) < 8) { + break; + } + var _headerArray = concatChunks(chunks, 8); + var view = new DataView(_headerArray.buffer, _headerArray.byteOffset, _headerArray.length); + var n = view.getUint32(0); + if (n > Math.pow(2, 53 - 32) - 1) { + // the maximum safe integer in JavaScript is 2^53 - 1 + controller.enqueue(ERROR_PACKET); + break; + } + expectedLength = n * Math.pow(2, 32) + view.getUint32(4); + state = 3 /* READ_PAYLOAD */; + } else { + if (totalLength(chunks) < expectedLength) { + break; + } + var data = concatChunks(chunks, expectedLength); + controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType)); + state = 0 /* READ_HEADER */; + } + + if (expectedLength === 0 || expectedLength > maxPayload) { + controller.enqueue(ERROR_PACKET); + break; + } + } + } + }); + } + var protocol = 4; + + /** + * Initialize a new `Emitter`. + * + * @api public + */ + + function Emitter(obj) { + if (obj) return mixin(obj); + } + + /** + * Mixin the emitter properties. + * + * @param {Object} obj + * @return {Object} + * @api private + */ + + function mixin(obj) { + for (var key in Emitter.prototype) { + obj[key] = Emitter.prototype[key]; + } + return obj; + } + + /** + * Listen on the given `event` with `fn`. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public + */ + + Emitter.prototype.on = Emitter.prototype.addEventListener = function (event, fn) { + this._callbacks = this._callbacks || {}; + (this._callbacks['$' + event] = this._callbacks['$' + event] || []).push(fn); + return this; + }; + + /** + * Adds an `event` listener that will be invoked a single + * time then automatically removed. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public + */ + + Emitter.prototype.once = function (event, fn) { + function on() { + this.off(event, on); + fn.apply(this, arguments); + } + on.fn = fn; + this.on(event, on); + return this; + }; + + /** + * Remove the given callback for `event` or all + * registered callbacks. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public + */ + + Emitter.prototype.off = Emitter.prototype.removeListener = Emitter.prototype.removeAllListeners = Emitter.prototype.removeEventListener = function (event, fn) { + this._callbacks = this._callbacks || {}; + + // all + if (0 == arguments.length) { + this._callbacks = {}; + return this; + } + + // specific event + var callbacks = this._callbacks['$' + event]; + if (!callbacks) return this; + + // remove all handlers + if (1 == arguments.length) { + delete this._callbacks['$' + event]; + return this; + } + + // remove specific handler + var cb; + for (var i = 0; i < callbacks.length; i++) { + cb = callbacks[i]; + if (cb === fn || cb.fn === fn) { + callbacks.splice(i, 1); + break; + } + } + + // Remove event specific arrays for event types that no + // one is subscribed for to avoid memory leak. + if (callbacks.length === 0) { + delete this._callbacks['$' + event]; + } + return this; + }; + + /** + * Emit `event` with the given args. + * + * @param {String} event + * @param {Mixed} ... + * @return {Emitter} + */ + + Emitter.prototype.emit = function (event) { + this._callbacks = this._callbacks || {}; + var args = new Array(arguments.length - 1), + callbacks = this._callbacks['$' + event]; + for (var i = 1; i < arguments.length; i++) { + args[i - 1] = arguments[i]; + } + if (callbacks) { + callbacks = callbacks.slice(0); + for (var i = 0, len = callbacks.length; i < len; ++i) { + callbacks[i].apply(this, args); + } + } + return this; + }; + + // alias used for reserved events (protected method) + Emitter.prototype.emitReserved = Emitter.prototype.emit; + + /** + * Return array of callbacks for `event`. + * + * @param {String} event + * @return {Array} + * @api public + */ + + Emitter.prototype.listeners = function (event) { + this._callbacks = this._callbacks || {}; + return this._callbacks['$' + event] || []; + }; + + /** + * Check if this emitter has `event` handlers. + * + * @param {String} event + * @return {Boolean} + * @api public + */ + + Emitter.prototype.hasListeners = function (event) { + return !!this.listeners(event).length; + }; + + var globalThisShim = function () { + if (typeof self !== "undefined") { + return self; + } else if (typeof window !== "undefined") { + return window; + } else { + return Function("return this")(); + } + }(); + + function pick(obj) { + for (var _len = arguments.length, attr = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + attr[_key - 1] = arguments[_key]; + } + return attr.reduce(function (acc, k) { + if (obj.hasOwnProperty(k)) { + acc[k] = obj[k]; + } + return acc; + }, {}); + } + // Keep a reference to the real timeout functions so they can be used when overridden + var NATIVE_SET_TIMEOUT = globalThisShim.setTimeout; + var NATIVE_CLEAR_TIMEOUT = globalThisShim.clearTimeout; + function installTimerFunctions(obj, opts) { + if (opts.useNativeTimers) { + obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThisShim); + obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThisShim); + } else { + obj.setTimeoutFn = globalThisShim.setTimeout.bind(globalThisShim); + obj.clearTimeoutFn = globalThisShim.clearTimeout.bind(globalThisShim); + } + } + // base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64) + var BASE64_OVERHEAD = 1.33; + // we could also have used `new Blob([obj]).size`, but it isn't supported in IE9 + function byteLength(obj) { + if (typeof obj === "string") { + return utf8Length(obj); + } + // arraybuffer or blob + return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD); + } + function utf8Length(str) { + var c = 0, + length = 0; + for (var i = 0, l = str.length; i < l; i++) { + c = str.charCodeAt(i); + if (c < 0x80) { + length += 1; + } else if (c < 0x800) { + length += 2; + } else if (c < 0xd800 || c >= 0xe000) { + length += 3; + } else { + i++; + length += 4; + } + } + return length; + } + + // imported from https://github.com/galkn/querystring + /** + * Compiles a querystring + * Returns string representation of the object + * + * @param {Object} + * @api private + */ + function encode$1(obj) { + var str = ''; + for (var i in obj) { + if (obj.hasOwnProperty(i)) { + if (str.length) str += '&'; + str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]); + } + } + return str; + } + /** + * Parses a simple querystring into an object + * + * @param {String} qs + * @api private + */ + function decode(qs) { + var qry = {}; + var pairs = qs.split('&'); + for (var i = 0, l = pairs.length; i < l; i++) { + var pair = pairs[i].split('='); + qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]); + } + return qry; + } + + var TransportError = /*#__PURE__*/function (_Error) { + _inherits(TransportError, _Error); + var _super = _createSuper(TransportError); + function TransportError(reason, description, context) { + var _this; + _classCallCheck(this, TransportError); + _this = _super.call(this, reason); + _this.description = description; + _this.context = context; + _this.type = "TransportError"; + return _this; + } + return TransportError; + }( /*#__PURE__*/_wrapNativeSuper(Error)); + var Transport = /*#__PURE__*/function (_Emitter) { + _inherits(Transport, _Emitter); + var _super2 = _createSuper(Transport); + /** + * Transport abstract constructor. + * + * @param {Object} opts - options + * @protected + */ + function Transport(opts) { + var _this2; + _classCallCheck(this, Transport); + _this2 = _super2.call(this); + _this2.writable = false; + installTimerFunctions(_assertThisInitialized(_this2), opts); + _this2.opts = opts; + _this2.query = opts.query; + _this2.socket = opts.socket; + return _this2; + } + /** + * Emits an error. + * + * @param {String} reason + * @param description + * @param context - the error context + * @return {Transport} for chaining + * @protected + */ + _createClass(Transport, [{ + key: "onError", + value: function onError(reason, description, context) { + _get(_getPrototypeOf(Transport.prototype), "emitReserved", this).call(this, "error", new TransportError(reason, description, context)); + return this; + } + /** + * Opens the transport. + */ + }, { + key: "open", + value: function open() { + this.readyState = "opening"; + this.doOpen(); + return this; + } + /** + * Closes the transport. + */ + }, { + key: "close", + value: function close() { + if (this.readyState === "opening" || this.readyState === "open") { + this.doClose(); + this.onClose(); + } + return this; + } + /** + * Sends multiple packets. + * + * @param {Array} packets + */ + }, { + key: "send", + value: function send(packets) { + if (this.readyState === "open") { + this.write(packets); + } + } + /** + * Called upon open + * + * @protected + */ + }, { + key: "onOpen", + value: function onOpen() { + this.readyState = "open"; + this.writable = true; + _get(_getPrototypeOf(Transport.prototype), "emitReserved", this).call(this, "open"); + } + /** + * Called with data. + * + * @param {String} data + * @protected + */ + }, { + key: "onData", + value: function onData(data) { + var packet = decodePacket(data, this.socket.binaryType); + this.onPacket(packet); + } + /** + * Called with a decoded packet. + * + * @protected + */ + }, { + key: "onPacket", + value: function onPacket(packet) { + _get(_getPrototypeOf(Transport.prototype), "emitReserved", this).call(this, "packet", packet); + } + /** + * Called upon close. + * + * @protected + */ + }, { + key: "onClose", + value: function onClose(details) { + this.readyState = "closed"; + _get(_getPrototypeOf(Transport.prototype), "emitReserved", this).call(this, "close", details); + } + /** + * Pauses the transport, in order not to lose packets during an upgrade. + * + * @param onPause + */ + }, { + key: "pause", + value: function pause(onPause) {} + }, { + key: "createUri", + value: function createUri(schema) { + var query = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + return schema + "://" + this._hostname() + this._port() + this.opts.path + this._query(query); + } + }, { + key: "_hostname", + value: function _hostname() { + var hostname = this.opts.hostname; + return hostname.indexOf(":") === -1 ? hostname : "[" + hostname + "]"; + } + }, { + key: "_port", + value: function _port() { + if (this.opts.port && (this.opts.secure && Number(this.opts.port !== 443) || !this.opts.secure && Number(this.opts.port) !== 80)) { + return ":" + this.opts.port; + } else { + return ""; + } + } + }, { + key: "_query", + value: function _query(query) { + var encodedQuery = encode$1(query); + return encodedQuery.length ? "?" + encodedQuery : ""; + } + }]); + return Transport; + }(Emitter); + + // imported from https://github.com/unshiftio/yeast + + var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), + length = 64, + map = {}; + var seed = 0, + i = 0, + prev; + /** + * Return a string representing the specified number. + * + * @param {Number} num The number to convert. + * @returns {String} The string representation of the number. + * @api public + */ + function encode(num) { + var encoded = ''; + do { + encoded = alphabet[num % length] + encoded; + num = Math.floor(num / length); + } while (num > 0); + return encoded; + } + /** + * Yeast: A tiny growing id generator. + * + * @returns {String} A unique id. + * @api public + */ + function yeast() { + var now = encode(+new Date()); + if (now !== prev) return seed = 0, prev = now; + return now + '.' + encode(seed++); + } + // + // Map each character to its index. + // + for (; i < length; i++) { + map[alphabet[i]] = i; + } + + // imported from https://github.com/component/has-cors + var value = false; + try { + value = typeof XMLHttpRequest !== 'undefined' && 'withCredentials' in new XMLHttpRequest(); + } catch (err) { + // if XMLHttp support is disabled in IE then it will throw + // when trying to create + } + var hasCORS = value; + + // browser shim for xmlhttprequest module + function XHR(opts) { + var xdomain = opts.xdomain; + // XMLHttpRequest can be disabled on IE + try { + if ("undefined" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) { + return new XMLHttpRequest(); + } + } catch (e) {} + if (!xdomain) { + try { + return new globalThisShim[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP"); + } catch (e) {} + } + } + function createCookieJar() {} + + function empty() {} + var hasXHR2 = function () { + var xhr = new XHR({ + xdomain: false + }); + return null != xhr.responseType; + }(); + var Polling = /*#__PURE__*/function (_Transport) { + _inherits(Polling, _Transport); + var _super = _createSuper(Polling); + /** + * XHR Polling constructor. + * + * @param {Object} opts + * @package + */ + function Polling(opts) { + var _this; + _classCallCheck(this, Polling); + _this = _super.call(this, opts); + _this.polling = false; + if (typeof location !== "undefined") { + var isSSL = "https:" === location.protocol; + var port = location.port; + // some user agents have empty `location.port` + if (!port) { + port = isSSL ? "443" : "80"; + } + _this.xd = typeof location !== "undefined" && opts.hostname !== location.hostname || port !== opts.port; + } + /** + * XHR supports binary + */ + var forceBase64 = opts && opts.forceBase64; + _this.supportsBinary = hasXHR2 && !forceBase64; + if (_this.opts.withCredentials) { + _this.cookieJar = createCookieJar(); + } + return _this; + } + _createClass(Polling, [{ + key: "doOpen", + /** + * Opens the socket (triggers polling). We write a PING message to determine + * when the transport is open. + * + * @protected + */ + value: function doOpen() { + this.poll(); + } + /** + * Pauses polling. + * + * @param {Function} onPause - callback upon buffers are flushed and transport is paused + * @package + */ + }, { + key: "pause", + value: function pause(onPause) { + var _this2 = this; + this.readyState = "pausing"; + var pause = function pause() { + _this2.readyState = "paused"; + onPause(); + }; + if (this.polling || !this.writable) { + var total = 0; + if (this.polling) { + total++; + this.once("pollComplete", function () { + --total || pause(); + }); + } + if (!this.writable) { + total++; + this.once("drain", function () { + --total || pause(); + }); + } + } else { + pause(); + } + } + /** + * Starts polling cycle. + * + * @private + */ + }, { + key: "poll", + value: function poll() { + this.polling = true; + this.doPoll(); + this.emitReserved("poll"); + } + /** + * Overloads onData to detect payloads. + * + * @protected + */ + }, { + key: "onData", + value: function onData(data) { + var _this3 = this; + var callback = function callback(packet) { + // if its the first message we consider the transport open + if ("opening" === _this3.readyState && packet.type === "open") { + _this3.onOpen(); + } + // if its a close packet, we close the ongoing requests + if ("close" === packet.type) { + _this3.onClose({ + description: "transport closed by the server" + }); + return false; + } + // otherwise bypass onData and handle the message + _this3.onPacket(packet); + }; + // decode payload + decodePayload(data, this.socket.binaryType).forEach(callback); + // if an event did not trigger closing + if ("closed" !== this.readyState) { + // if we got data we're not polling + this.polling = false; + this.emitReserved("pollComplete"); + if ("open" === this.readyState) { + this.poll(); + } + } + } + /** + * For polling, send a close packet. + * + * @protected + */ + }, { + key: "doClose", + value: function doClose() { + var _this4 = this; + var close = function close() { + _this4.write([{ + type: "close" + }]); + }; + if ("open" === this.readyState) { + close(); + } else { + // in case we're trying to close while + // handshaking is in progress (GH-164) + this.once("open", close); + } + } + /** + * Writes a packets payload. + * + * @param {Array} packets - data packets + * @protected + */ + }, { + key: "write", + value: function write(packets) { + var _this5 = this; + this.writable = false; + encodePayload(packets, function (data) { + _this5.doWrite(data, function () { + _this5.writable = true; + _this5.emitReserved("drain"); + }); + }); + } + /** + * Generates uri for connection. + * + * @private + */ + }, { + key: "uri", + value: function uri() { + var schema = this.opts.secure ? "https" : "http"; + var query = this.query || {}; + // cache busting is forced + if (false !== this.opts.timestampRequests) { + query[this.opts.timestampParam] = yeast(); + } + if (!this.supportsBinary && !query.sid) { + query.b64 = 1; + } + return this.createUri(schema, query); + } + /** + * Creates a request. + * + * @param {String} method + * @private + */ + }, { + key: "request", + value: function request() { + var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + _extends(opts, { + xd: this.xd, + cookieJar: this.cookieJar + }, this.opts); + return new Request(this.uri(), opts); + } + /** + * Sends data. + * + * @param {String} data to send. + * @param {Function} called upon flush. + * @private + */ + }, { + key: "doWrite", + value: function doWrite(data, fn) { + var _this6 = this; + var req = this.request({ + method: "POST", + data: data + }); + req.on("success", fn); + req.on("error", function (xhrStatus, context) { + _this6.onError("xhr post error", xhrStatus, context); + }); + } + /** + * Starts a poll cycle. + * + * @private + */ + }, { + key: "doPoll", + value: function doPoll() { + var _this7 = this; + var req = this.request(); + req.on("data", this.onData.bind(this)); + req.on("error", function (xhrStatus, context) { + _this7.onError("xhr poll error", xhrStatus, context); + }); + this.pollXhr = req; + } + }, { + key: "name", + get: function get() { + return "polling"; + } + }]); + return Polling; + }(Transport); + var Request = /*#__PURE__*/function (_Emitter) { + _inherits(Request, _Emitter); + var _super2 = _createSuper(Request); + /** + * Request constructor + * + * @param {Object} options + * @package + */ + function Request(uri, opts) { + var _this8; + _classCallCheck(this, Request); + _this8 = _super2.call(this); + installTimerFunctions(_assertThisInitialized(_this8), opts); + _this8.opts = opts; + _this8.method = opts.method || "GET"; + _this8.uri = uri; + _this8.data = undefined !== opts.data ? opts.data : null; + _this8.create(); + return _this8; + } + /** + * Creates the XHR object and sends the request. + * + * @private + */ + _createClass(Request, [{ + key: "create", + value: function create() { + var _this9 = this; + var _a; + var opts = pick(this.opts, "agent", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "autoUnref"); + opts.xdomain = !!this.opts.xd; + var xhr = this.xhr = new XHR(opts); + try { + xhr.open(this.method, this.uri, true); + try { + if (this.opts.extraHeaders) { + xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true); + for (var i in this.opts.extraHeaders) { + if (this.opts.extraHeaders.hasOwnProperty(i)) { + xhr.setRequestHeader(i, this.opts.extraHeaders[i]); + } + } + } + } catch (e) {} + if ("POST" === this.method) { + try { + xhr.setRequestHeader("Content-type", "text/plain;charset=UTF-8"); + } catch (e) {} + } + try { + xhr.setRequestHeader("Accept", "*/*"); + } catch (e) {} + (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr); + // ie6 check + if ("withCredentials" in xhr) { + xhr.withCredentials = this.opts.withCredentials; + } + if (this.opts.requestTimeout) { + xhr.timeout = this.opts.requestTimeout; + } + xhr.onreadystatechange = function () { + var _a; + if (xhr.readyState === 3) { + (_a = _this9.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr); + } + if (4 !== xhr.readyState) return; + if (200 === xhr.status || 1223 === xhr.status) { + _this9.onLoad(); + } else { + // make sure the `error` event handler that's user-set + // does not throw in the same tick and gets caught here + _this9.setTimeoutFn(function () { + _this9.onError(typeof xhr.status === "number" ? xhr.status : 0); + }, 0); + } + }; + xhr.send(this.data); + } catch (e) { + // Need to defer since .create() is called directly from the constructor + // and thus the 'error' event can only be only bound *after* this exception + // occurs. Therefore, also, we cannot throw here at all. + this.setTimeoutFn(function () { + _this9.onError(e); + }, 0); + return; + } + if (typeof document !== "undefined") { + this.index = Request.requestsCount++; + Request.requests[this.index] = this; + } + } + /** + * Called upon error. + * + * @private + */ + }, { + key: "onError", + value: function onError(err) { + this.emitReserved("error", err, this.xhr); + this.cleanup(true); + } + /** + * Cleans up house. + * + * @private + */ + }, { + key: "cleanup", + value: function cleanup(fromError) { + if ("undefined" === typeof this.xhr || null === this.xhr) { + return; + } + this.xhr.onreadystatechange = empty; + if (fromError) { + try { + this.xhr.abort(); + } catch (e) {} + } + if (typeof document !== "undefined") { + delete Request.requests[this.index]; + } + this.xhr = null; + } + /** + * Called upon load. + * + * @private + */ + }, { + key: "onLoad", + value: function onLoad() { + var data = this.xhr.responseText; + if (data !== null) { + this.emitReserved("data", data); + this.emitReserved("success"); + this.cleanup(); + } + } + /** + * Aborts the request. + * + * @package + */ + }, { + key: "abort", + value: function abort() { + this.cleanup(); + } + }]); + return Request; + }(Emitter); + Request.requestsCount = 0; + Request.requests = {}; + /** + * Aborts pending requests when unloading the window. This is needed to prevent + * memory leaks (e.g. when using IE) and to ensure that no spurious error is + * emitted. + */ + if (typeof document !== "undefined") { + // @ts-ignore + if (typeof attachEvent === "function") { + // @ts-ignore + attachEvent("onunload", unloadHandler); + } else if (typeof addEventListener === "function") { + var terminationEvent = "onpagehide" in globalThisShim ? "pagehide" : "unload"; + addEventListener(terminationEvent, unloadHandler, false); + } + } + function unloadHandler() { + for (var i in Request.requests) { + if (Request.requests.hasOwnProperty(i)) { + Request.requests[i].abort(); + } + } + } + + var nextTick = function () { + var isPromiseAvailable = typeof Promise === "function" && typeof Promise.resolve === "function"; + if (isPromiseAvailable) { + return function (cb) { + return Promise.resolve().then(cb); + }; + } else { + return function (cb, setTimeoutFn) { + return setTimeoutFn(cb, 0); + }; + } + }(); + var WebSocket = globalThisShim.WebSocket || globalThisShim.MozWebSocket; + var usingBrowserWebSocket = true; + var defaultBinaryType = "arraybuffer"; + + // detect ReactNative environment + var isReactNative = typeof navigator !== "undefined" && typeof navigator.product === "string" && navigator.product.toLowerCase() === "reactnative"; + var WS = /*#__PURE__*/function (_Transport) { + _inherits(WS, _Transport); + var _super = _createSuper(WS); + /** + * WebSocket transport constructor. + * + * @param {Object} opts - connection options + * @protected + */ + function WS(opts) { + var _this; + _classCallCheck(this, WS); + _this = _super.call(this, opts); + _this.supportsBinary = !opts.forceBase64; + return _this; + } + _createClass(WS, [{ + key: "doOpen", + value: function doOpen() { + if (!this.check()) { + // let probe timeout + return; + } + var uri = this.uri(); + var protocols = this.opts.protocols; + // React Native only supports the 'headers' option, and will print a warning if anything else is passed + var opts = isReactNative ? {} : pick(this.opts, "agent", "perMessageDeflate", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "localAddress", "protocolVersion", "origin", "maxPayload", "family", "checkServerIdentity"); + if (this.opts.extraHeaders) { + opts.headers = this.opts.extraHeaders; + } + try { + this.ws = usingBrowserWebSocket && !isReactNative ? protocols ? new WebSocket(uri, protocols) : new WebSocket(uri) : new WebSocket(uri, protocols, opts); + } catch (err) { + return this.emitReserved("error", err); + } + this.ws.binaryType = this.socket.binaryType; + this.addEventListeners(); + } + /** + * Adds event listeners to the socket + * + * @private + */ + }, { + key: "addEventListeners", + value: function addEventListeners() { + var _this2 = this; + this.ws.onopen = function () { + if (_this2.opts.autoUnref) { + _this2.ws._socket.unref(); + } + _this2.onOpen(); + }; + this.ws.onclose = function (closeEvent) { + return _this2.onClose({ + description: "websocket connection closed", + context: closeEvent + }); + }; + this.ws.onmessage = function (ev) { + return _this2.onData(ev.data); + }; + this.ws.onerror = function (e) { + return _this2.onError("websocket error", e); + }; + } + }, { + key: "write", + value: function write(packets) { + var _this3 = this; + this.writable = false; + // encodePacket efficient as it uses WS framing + // no need for encodePayload + var _loop = function _loop(i) { + var packet = packets[i]; + var lastPacket = i === packets.length - 1; + encodePacket(packet, _this3.supportsBinary, function (data) { + // always create a new object (GH-437) + var opts = {}; + // Sometimes the websocket has already been closed but the browser didn't + // have a chance of informing us about it yet, in that case send will + // throw an error + try { + if (usingBrowserWebSocket) { + // TypeError is thrown when passing the second argument on Safari + _this3.ws.send(data); + } + } catch (e) {} + if (lastPacket) { + // fake drain + // defer to next tick to allow Socket to clear writeBuffer + nextTick(function () { + _this3.writable = true; + _this3.emitReserved("drain"); + }, _this3.setTimeoutFn); + } + }); + }; + for (var i = 0; i < packets.length; i++) { + _loop(i); + } + } + }, { + key: "doClose", + value: function doClose() { + if (typeof this.ws !== "undefined") { + this.ws.close(); + this.ws = null; + } + } + /** + * Generates uri for connection. + * + * @private + */ + }, { + key: "uri", + value: function uri() { + var schema = this.opts.secure ? "wss" : "ws"; + var query = this.query || {}; + // append timestamp to URI + if (this.opts.timestampRequests) { + query[this.opts.timestampParam] = yeast(); + } + // communicate binary support capabilities + if (!this.supportsBinary) { + query.b64 = 1; + } + return this.createUri(schema, query); + } + /** + * Feature detection for WebSocket. + * + * @return {Boolean} whether this transport is available. + * @private + */ + }, { + key: "check", + value: function check() { + return !!WebSocket; + } + }, { + key: "name", + get: function get() { + return "websocket"; + } + }]); + return WS; + }(Transport); + + var WT = /*#__PURE__*/function (_Transport) { + _inherits(WT, _Transport); + var _super = _createSuper(WT); + function WT() { + _classCallCheck(this, WT); + return _super.apply(this, arguments); + } + _createClass(WT, [{ + key: "doOpen", + value: function doOpen() { + var _this = this; + // @ts-ignore + if (typeof WebTransport !== "function") { + return; + } + // @ts-ignore + this.transport = new WebTransport(this.createUri("https"), this.opts.transportOptions[this.name]); + this.transport.closed.then(function () { + _this.onClose(); + })["catch"](function (err) { + _this.onError("webtransport error", err); + }); + // note: we could have used async/await, but that would require some additional polyfills + this.transport.ready.then(function () { + _this.transport.createBidirectionalStream().then(function (stream) { + var decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, _this.socket.binaryType); + var reader = stream.readable.pipeThrough(decoderStream).getReader(); + var encoderStream = createPacketEncoderStream(); + encoderStream.readable.pipeTo(stream.writable); + _this.writer = encoderStream.writable.getWriter(); + var read = function read() { + reader.read().then(function (_ref) { + var done = _ref.done, + value = _ref.value; + if (done) { + return; + } + _this.onPacket(value); + read(); + })["catch"](function (err) {}); + }; + read(); + var packet = { + type: "open" + }; + if (_this.query.sid) { + packet.data = "{\"sid\":\"".concat(_this.query.sid, "\"}"); + } + _this.writer.write(packet).then(function () { + return _this.onOpen(); + }); + }); + }); + } + }, { + key: "write", + value: function write(packets) { + var _this2 = this; + this.writable = false; + var _loop = function _loop(i) { + var packet = packets[i]; + var lastPacket = i === packets.length - 1; + _this2.writer.write(packet).then(function () { + if (lastPacket) { + nextTick(function () { + _this2.writable = true; + _this2.emitReserved("drain"); + }, _this2.setTimeoutFn); + } + }); + }; + for (var i = 0; i < packets.length; i++) { + _loop(i); + } + } + }, { + key: "doClose", + value: function doClose() { + var _a; + (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close(); + } + }, { + key: "name", + get: function get() { + return "webtransport"; + } + }]); + return WT; + }(Transport); + + var transports = { + websocket: WS, + webtransport: WT, + polling: Polling + }; + + // imported from https://github.com/galkn/parseuri + /** + * Parses a URI + * + * Note: we could also have used the built-in URL object, but it isn't supported on all platforms. + * + * See: + * - https://developer.mozilla.org/en-US/docs/Web/API/URL + * - https://caniuse.com/url + * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B + * + * History of the parse() method: + * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c + * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3 + * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242 + * + * @author Steven Levithan (MIT license) + * @api private + */ + var re = /^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/; + var parts = ['source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor']; + function parse(str) { + if (str.length > 2000) { + throw "URI too long"; + } + var src = str, + b = str.indexOf('['), + e = str.indexOf(']'); + if (b != -1 && e != -1) { + str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length); + } + var m = re.exec(str || ''), + uri = {}, + i = 14; + while (i--) { + uri[parts[i]] = m[i] || ''; + } + if (b != -1 && e != -1) { + uri.source = src; + uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':'); + uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':'); + uri.ipv6uri = true; + } + uri.pathNames = pathNames(uri, uri['path']); + uri.queryKey = queryKey(uri, uri['query']); + return uri; + } + function pathNames(obj, path) { + var regx = /\/{2,9}/g, + names = path.replace(regx, "/").split("/"); + if (path.slice(0, 1) == '/' || path.length === 0) { + names.splice(0, 1); + } + if (path.slice(-1) == '/') { + names.splice(names.length - 1, 1); + } + return names; + } + function queryKey(uri, query) { + var data = {}; + query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) { + if ($1) { + data[$1] = $2; + } + }); + return data; + } + + var Socket = /*#__PURE__*/function (_Emitter) { + _inherits(Socket, _Emitter); + var _super = _createSuper(Socket); + /** + * Socket constructor. + * + * @param {String|Object} uri - uri or options + * @param {Object} opts - options + */ + function Socket(uri) { + var _this; + var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + _classCallCheck(this, Socket); + _this = _super.call(this); + _this.binaryType = defaultBinaryType; + _this.writeBuffer = []; + if (uri && "object" === _typeof(uri)) { + opts = uri; + uri = null; + } + if (uri) { + uri = parse(uri); + opts.hostname = uri.host; + opts.secure = uri.protocol === "https" || uri.protocol === "wss"; + opts.port = uri.port; + if (uri.query) opts.query = uri.query; + } else if (opts.host) { + opts.hostname = parse(opts.host).host; + } + installTimerFunctions(_assertThisInitialized(_this), opts); + _this.secure = null != opts.secure ? opts.secure : typeof location !== "undefined" && "https:" === location.protocol; + if (opts.hostname && !opts.port) { + // if no port is specified manually, use the protocol default + opts.port = _this.secure ? "443" : "80"; + } + _this.hostname = opts.hostname || (typeof location !== "undefined" ? location.hostname : "localhost"); + _this.port = opts.port || (typeof location !== "undefined" && location.port ? location.port : _this.secure ? "443" : "80"); + _this.transports = opts.transports || ["polling", "websocket", "webtransport"]; + _this.writeBuffer = []; + _this.prevBufferLen = 0; + _this.opts = _extends({ + path: "/engine.io", + agent: false, + withCredentials: false, + upgrade: true, + timestampParam: "t", + rememberUpgrade: false, + addTrailingSlash: true, + rejectUnauthorized: true, + perMessageDeflate: { + threshold: 1024 + }, + transportOptions: {}, + closeOnBeforeunload: false + }, opts); + _this.opts.path = _this.opts.path.replace(/\/$/, "") + (_this.opts.addTrailingSlash ? "/" : ""); + if (typeof _this.opts.query === "string") { + _this.opts.query = decode(_this.opts.query); + } + // set on handshake + _this.id = null; + _this.upgrades = null; + _this.pingInterval = null; + _this.pingTimeout = null; + // set on heartbeat + _this.pingTimeoutTimer = null; + if (typeof addEventListener === "function") { + if (_this.opts.closeOnBeforeunload) { + // Firefox closes the connection when the "beforeunload" event is emitted but not Chrome. This event listener + // ensures every browser behaves the same (no "disconnect" event at the Socket.IO level when the page is + // closed/reloaded) + _this.beforeunloadEventListener = function () { + if (_this.transport) { + // silently close the transport + _this.transport.removeAllListeners(); + _this.transport.close(); + } + }; + addEventListener("beforeunload", _this.beforeunloadEventListener, false); + } + if (_this.hostname !== "localhost") { + _this.offlineEventListener = function () { + _this.onClose("transport close", { + description: "network connection lost" + }); + }; + addEventListener("offline", _this.offlineEventListener, false); + } + } + _this.open(); + return _this; + } + /** + * Creates transport of the given type. + * + * @param {String} name - transport name + * @return {Transport} + * @private + */ + _createClass(Socket, [{ + key: "createTransport", + value: function createTransport(name) { + var query = _extends({}, this.opts.query); + // append engine.io protocol identifier + query.EIO = protocol; + // transport name + query.transport = name; + // session id if we already have one + if (this.id) query.sid = this.id; + var opts = _extends({}, this.opts, { + query: query, + socket: this, + hostname: this.hostname, + secure: this.secure, + port: this.port + }, this.opts.transportOptions[name]); + return new transports[name](opts); + } + /** + * Initializes transport to use and starts probe. + * + * @private + */ + }, { + key: "open", + value: function open() { + var _this2 = this; + var transport; + if (this.opts.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf("websocket") !== -1) { + transport = "websocket"; + } else if (0 === this.transports.length) { + // Emit error on next tick so it can be listened to + this.setTimeoutFn(function () { + _this2.emitReserved("error", "No transports available"); + }, 0); + return; + } else { + transport = this.transports[0]; + } + this.readyState = "opening"; + // Retry with the next transport if the transport is disabled (jsonp: false) + try { + transport = this.createTransport(transport); + } catch (e) { + this.transports.shift(); + this.open(); + return; + } + transport.open(); + this.setTransport(transport); + } + /** + * Sets the current transport. Disables the existing one (if any). + * + * @private + */ + }, { + key: "setTransport", + value: function setTransport(transport) { + var _this3 = this; + if (this.transport) { + this.transport.removeAllListeners(); + } + // set up transport + this.transport = transport; + // set up transport listeners + transport.on("drain", this.onDrain.bind(this)).on("packet", this.onPacket.bind(this)).on("error", this.onError.bind(this)).on("close", function (reason) { + return _this3.onClose("transport close", reason); + }); + } + /** + * Probes a transport. + * + * @param {String} name - transport name + * @private + */ + }, { + key: "probe", + value: function probe(name) { + var _this4 = this; + var transport = this.createTransport(name); + var failed = false; + Socket.priorWebsocketSuccess = false; + var onTransportOpen = function onTransportOpen() { + if (failed) return; + transport.send([{ + type: "ping", + data: "probe" + }]); + transport.once("packet", function (msg) { + if (failed) return; + if ("pong" === msg.type && "probe" === msg.data) { + _this4.upgrading = true; + _this4.emitReserved("upgrading", transport); + if (!transport) return; + Socket.priorWebsocketSuccess = "websocket" === transport.name; + _this4.transport.pause(function () { + if (failed) return; + if ("closed" === _this4.readyState) return; + cleanup(); + _this4.setTransport(transport); + transport.send([{ + type: "upgrade" + }]); + _this4.emitReserved("upgrade", transport); + transport = null; + _this4.upgrading = false; + _this4.flush(); + }); + } else { + var err = new Error("probe error"); + // @ts-ignore + err.transport = transport.name; + _this4.emitReserved("upgradeError", err); + } + }); + }; + function freezeTransport() { + if (failed) return; + // Any callback called by transport should be ignored since now + failed = true; + cleanup(); + transport.close(); + transport = null; + } + // Handle any error that happens while probing + var onerror = function onerror(err) { + var error = new Error("probe error: " + err); + // @ts-ignore + error.transport = transport.name; + freezeTransport(); + _this4.emitReserved("upgradeError", error); + }; + function onTransportClose() { + onerror("transport closed"); + } + // When the socket is closed while we're probing + function onclose() { + onerror("socket closed"); + } + // When the socket is upgraded while we're probing + function onupgrade(to) { + if (transport && to.name !== transport.name) { + freezeTransport(); + } + } + // Remove all listeners on the transport and on self + var cleanup = function cleanup() { + transport.removeListener("open", onTransportOpen); + transport.removeListener("error", onerror); + transport.removeListener("close", onTransportClose); + _this4.off("close", onclose); + _this4.off("upgrading", onupgrade); + }; + transport.once("open", onTransportOpen); + transport.once("error", onerror); + transport.once("close", onTransportClose); + this.once("close", onclose); + this.once("upgrading", onupgrade); + if (this.upgrades.indexOf("webtransport") !== -1 && name !== "webtransport") { + // favor WebTransport + this.setTimeoutFn(function () { + if (!failed) { + transport.open(); + } + }, 200); + } else { + transport.open(); + } + } + /** + * Called when connection is deemed open. + * + * @private + */ + }, { + key: "onOpen", + value: function onOpen() { + this.readyState = "open"; + Socket.priorWebsocketSuccess = "websocket" === this.transport.name; + this.emitReserved("open"); + this.flush(); + // we check for `readyState` in case an `open` + // listener already closed the socket + if ("open" === this.readyState && this.opts.upgrade) { + var i = 0; + var l = this.upgrades.length; + for (; i < l; i++) { + this.probe(this.upgrades[i]); + } + } + } + /** + * Handles a packet. + * + * @private + */ + }, { + key: "onPacket", + value: function onPacket(packet) { + if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) { + this.emitReserved("packet", packet); + // Socket is live - any packet counts + this.emitReserved("heartbeat"); + this.resetPingTimeout(); + switch (packet.type) { + case "open": + this.onHandshake(JSON.parse(packet.data)); + break; + case "ping": + this.sendPacket("pong"); + this.emitReserved("ping"); + this.emitReserved("pong"); + break; + case "error": + var err = new Error("server error"); + // @ts-ignore + err.code = packet.data; + this.onError(err); + break; + case "message": + this.emitReserved("data", packet.data); + this.emitReserved("message", packet.data); + break; + } + } + } + /** + * Called upon handshake completion. + * + * @param {Object} data - handshake obj + * @private + */ + }, { + key: "onHandshake", + value: function onHandshake(data) { + this.emitReserved("handshake", data); + this.id = data.sid; + this.transport.query.sid = data.sid; + this.upgrades = this.filterUpgrades(data.upgrades); + this.pingInterval = data.pingInterval; + this.pingTimeout = data.pingTimeout; + this.maxPayload = data.maxPayload; + this.onOpen(); + // In case open handler closes socket + if ("closed" === this.readyState) return; + this.resetPingTimeout(); + } + /** + * Sets and resets ping timeout timer based on server pings. + * + * @private + */ + }, { + key: "resetPingTimeout", + value: function resetPingTimeout() { + var _this5 = this; + this.clearTimeoutFn(this.pingTimeoutTimer); + this.pingTimeoutTimer = this.setTimeoutFn(function () { + _this5.onClose("ping timeout"); + }, this.pingInterval + this.pingTimeout); + if (this.opts.autoUnref) { + this.pingTimeoutTimer.unref(); + } + } + /** + * Called on `drain` event + * + * @private + */ + }, { + key: "onDrain", + value: function onDrain() { + this.writeBuffer.splice(0, this.prevBufferLen); + // setting prevBufferLen = 0 is very important + // for example, when upgrading, upgrade packet is sent over, + // and a nonzero prevBufferLen could cause problems on `drain` + this.prevBufferLen = 0; + if (0 === this.writeBuffer.length) { + this.emitReserved("drain"); + } else { + this.flush(); + } + } + /** + * Flush write buffers. + * + * @private + */ + }, { + key: "flush", + value: function flush() { + if ("closed" !== this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) { + var packets = this.getWritablePackets(); + this.transport.send(packets); + // keep track of current length of writeBuffer + // splice writeBuffer and callbackBuffer on `drain` + this.prevBufferLen = packets.length; + this.emitReserved("flush"); + } + } + /** + * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP + * long-polling) + * + * @private + */ + }, { + key: "getWritablePackets", + value: function getWritablePackets() { + var shouldCheckPayloadSize = this.maxPayload && this.transport.name === "polling" && this.writeBuffer.length > 1; + if (!shouldCheckPayloadSize) { + return this.writeBuffer; + } + var payloadSize = 1; // first packet type + for (var i = 0; i < this.writeBuffer.length; i++) { + var data = this.writeBuffer[i].data; + if (data) { + payloadSize += byteLength(data); + } + if (i > 0 && payloadSize > this.maxPayload) { + return this.writeBuffer.slice(0, i); + } + payloadSize += 2; // separator + packet type + } + + return this.writeBuffer; + } + /** + * Sends a message. + * + * @param {String} msg - message. + * @param {Object} options. + * @param {Function} callback function. + * @return {Socket} for chaining. + */ + }, { + key: "write", + value: function write(msg, options, fn) { + this.sendPacket("message", msg, options, fn); + return this; + } + }, { + key: "send", + value: function send(msg, options, fn) { + this.sendPacket("message", msg, options, fn); + return this; + } + /** + * Sends a packet. + * + * @param {String} type: packet type. + * @param {String} data. + * @param {Object} options. + * @param {Function} fn - callback function. + * @private + */ + }, { + key: "sendPacket", + value: function sendPacket(type, data, options, fn) { + if ("function" === typeof data) { + fn = data; + data = undefined; + } + if ("function" === typeof options) { + fn = options; + options = null; + } + if ("closing" === this.readyState || "closed" === this.readyState) { + return; + } + options = options || {}; + options.compress = false !== options.compress; + var packet = { + type: type, + data: data, + options: options + }; + this.emitReserved("packetCreate", packet); + this.writeBuffer.push(packet); + if (fn) this.once("flush", fn); + this.flush(); + } + /** + * Closes the connection. + */ + }, { + key: "close", + value: function close() { + var _this6 = this; + var close = function close() { + _this6.onClose("forced close"); + _this6.transport.close(); + }; + var cleanupAndClose = function cleanupAndClose() { + _this6.off("upgrade", cleanupAndClose); + _this6.off("upgradeError", cleanupAndClose); + close(); + }; + var waitForUpgrade = function waitForUpgrade() { + // wait for upgrade to finish since we can't send packets while pausing a transport + _this6.once("upgrade", cleanupAndClose); + _this6.once("upgradeError", cleanupAndClose); + }; + if ("opening" === this.readyState || "open" === this.readyState) { + this.readyState = "closing"; + if (this.writeBuffer.length) { + this.once("drain", function () { + if (_this6.upgrading) { + waitForUpgrade(); + } else { + close(); + } + }); + } else if (this.upgrading) { + waitForUpgrade(); + } else { + close(); + } + } + return this; + } + /** + * Called upon transport error + * + * @private + */ + }, { + key: "onError", + value: function onError(err) { + Socket.priorWebsocketSuccess = false; + this.emitReserved("error", err); + this.onClose("transport error", err); + } + /** + * Called upon transport close. + * + * @private + */ + }, { + key: "onClose", + value: function onClose(reason, description) { + if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) { + // clear timers + this.clearTimeoutFn(this.pingTimeoutTimer); + // stop event from firing again for transport + this.transport.removeAllListeners("close"); + // ensure transport won't stay open + this.transport.close(); + // ignore further transport communication + this.transport.removeAllListeners(); + if (typeof removeEventListener === "function") { + removeEventListener("beforeunload", this.beforeunloadEventListener, false); + removeEventListener("offline", this.offlineEventListener, false); + } + // set ready state + this.readyState = "closed"; + // clear session id + this.id = null; + // emit close event + this.emitReserved("close", reason, description); + // clean buffers after, so users can still + // grab the buffers on `close` event + this.writeBuffer = []; + this.prevBufferLen = 0; + } + } + /** + * Filters upgrades, returning only those matching client transports. + * + * @param {Array} upgrades - server upgrades + * @private + */ + }, { + key: "filterUpgrades", + value: function filterUpgrades(upgrades) { + var filteredUpgrades = []; + var i = 0; + var j = upgrades.length; + for (; i < j; i++) { + if (~this.transports.indexOf(upgrades[i])) filteredUpgrades.push(upgrades[i]); + } + return filteredUpgrades; + } + }]); + return Socket; + }(Emitter); + Socket.protocol = protocol; + + var browserEntrypoint = (function (uri, opts) { + return new Socket(uri, opts); + }); + + return browserEntrypoint; + +})); +//# sourceMappingURL=engine.io.js.map diff --git a/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.js.map b/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.js.map new file mode 100644 index 00000000..dc52d206 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.js.map @@ -0,0 +1 @@ +{"version":3,"file":"engine.io.js","sources":["../node_modules/engine.io-parser/build/esm/commons.js","../node_modules/engine.io-parser/build/esm/encodePacket.browser.js","../node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.js","../node_modules/engine.io-parser/build/esm/decodePacket.browser.js","../node_modules/engine.io-parser/build/esm/index.js","../node_modules/@socket.io/component-emitter/index.mjs","../build/esm/globalThis.browser.js","../build/esm/util.js","../build/esm/contrib/parseqs.js","../build/esm/transport.js","../build/esm/contrib/yeast.js","../build/esm/contrib/has-cors.js","../build/esm/transports/xmlhttprequest.browser.js","../build/esm/transports/polling.js","../build/esm/transports/websocket-constructor.browser.js","../build/esm/transports/websocket.js","../build/esm/transports/webtransport.js","../build/esm/transports/index.js","../build/esm/contrib/parseuri.js","../build/esm/socket.js","../build/esm/browser-entrypoint.js"],"sourcesContent":["const PACKET_TYPES = Object.create(null); // no Map = no polyfill\nPACKET_TYPES[\"open\"] = \"0\";\nPACKET_TYPES[\"close\"] = \"1\";\nPACKET_TYPES[\"ping\"] = \"2\";\nPACKET_TYPES[\"pong\"] = \"3\";\nPACKET_TYPES[\"message\"] = \"4\";\nPACKET_TYPES[\"upgrade\"] = \"5\";\nPACKET_TYPES[\"noop\"] = \"6\";\nconst PACKET_TYPES_REVERSE = Object.create(null);\nObject.keys(PACKET_TYPES).forEach(key => {\n PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;\n});\nconst ERROR_PACKET = { type: \"error\", data: \"parser error\" };\nexport { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET };\n","import { PACKET_TYPES } from \"./commons.js\";\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n Object.prototype.toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\n// ArrayBuffer.isView method is not defined in IE10\nconst isView = obj => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj && obj.buffer instanceof ArrayBuffer;\n};\nconst encodePacket = ({ type, data }, supportsBinary, callback) => {\n if (withNativeBlob && data instanceof Blob) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(data, callback);\n }\n }\n else if (withNativeArrayBuffer &&\n (data instanceof ArrayBuffer || isView(data))) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(new Blob([data]), callback);\n }\n }\n // plain string\n return callback(PACKET_TYPES[type] + (data || \"\"));\n};\nconst encodeBlobAsBase64 = (data, callback) => {\n const fileReader = new FileReader();\n fileReader.onload = function () {\n const content = fileReader.result.split(\",\")[1];\n callback(\"b\" + (content || \"\"));\n };\n return fileReader.readAsDataURL(data);\n};\nfunction toArray(data) {\n if (data instanceof Uint8Array) {\n return data;\n }\n else if (data instanceof ArrayBuffer) {\n return new Uint8Array(data);\n }\n else {\n return new Uint8Array(data.buffer, data.byteOffset, data.byteLength);\n }\n}\nlet TEXT_ENCODER;\nexport function encodePacketToBinary(packet, callback) {\n if (withNativeBlob && packet.data instanceof Blob) {\n return packet.data\n .arrayBuffer()\n .then(toArray)\n .then(callback);\n }\n else if (withNativeArrayBuffer &&\n (packet.data instanceof ArrayBuffer || isView(packet.data))) {\n return callback(toArray(packet.data));\n }\n encodePacket(packet, false, encoded => {\n if (!TEXT_ENCODER) {\n TEXT_ENCODER = new TextEncoder();\n }\n callback(TEXT_ENCODER.encode(encoded));\n });\n}\nexport { encodePacket };\n","// imported from https://github.com/socketio/base64-arraybuffer\nconst chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\n// Use a lookup table to find the index.\nconst lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256);\nfor (let i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n}\nexport const encode = (arraybuffer) => {\n let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = '';\n for (i = 0; i < len; i += 3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n if (len % 3 === 2) {\n base64 = base64.substring(0, base64.length - 1) + '=';\n }\n else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + '==';\n }\n return base64;\n};\nexport const decode = (base64) => {\n let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;\n if (base64[base64.length - 1] === '=') {\n bufferLength--;\n if (base64[base64.length - 2] === '=') {\n bufferLength--;\n }\n }\n const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);\n for (i = 0; i < len; i += 4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i + 1)];\n encoded3 = lookup[base64.charCodeAt(i + 2)];\n encoded4 = lookup[base64.charCodeAt(i + 3)];\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n return arraybuffer;\n};\n","import { ERROR_PACKET, PACKET_TYPES_REVERSE } from \"./commons.js\";\nimport { decode } from \"./contrib/base64-arraybuffer.js\";\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nexport const decodePacket = (encodedPacket, binaryType) => {\n if (typeof encodedPacket !== \"string\") {\n return {\n type: \"message\",\n data: mapBinary(encodedPacket, binaryType)\n };\n }\n const type = encodedPacket.charAt(0);\n if (type === \"b\") {\n return {\n type: \"message\",\n data: decodeBase64Packet(encodedPacket.substring(1), binaryType)\n };\n }\n const packetType = PACKET_TYPES_REVERSE[type];\n if (!packetType) {\n return ERROR_PACKET;\n }\n return encodedPacket.length > 1\n ? {\n type: PACKET_TYPES_REVERSE[type],\n data: encodedPacket.substring(1)\n }\n : {\n type: PACKET_TYPES_REVERSE[type]\n };\n};\nconst decodeBase64Packet = (data, binaryType) => {\n if (withNativeArrayBuffer) {\n const decoded = decode(data);\n return mapBinary(decoded, binaryType);\n }\n else {\n return { base64: true, data }; // fallback for old browsers\n }\n};\nconst mapBinary = (data, binaryType) => {\n switch (binaryType) {\n case \"blob\":\n if (data instanceof Blob) {\n // from WebSocket + binaryType \"blob\"\n return data;\n }\n else {\n // from HTTP long-polling or WebTransport\n return new Blob([data]);\n }\n case \"arraybuffer\":\n default:\n if (data instanceof ArrayBuffer) {\n // from HTTP long-polling (base64) or WebSocket + binaryType \"arraybuffer\"\n return data;\n }\n else {\n // from WebTransport (Uint8Array)\n return data.buffer;\n }\n }\n};\n","import { encodePacket, encodePacketToBinary } from \"./encodePacket.js\";\nimport { decodePacket } from \"./decodePacket.js\";\nimport { ERROR_PACKET } from \"./commons.js\";\nconst SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text\nconst encodePayload = (packets, callback) => {\n // some packets may be added to the array while encoding, so the initial length must be saved\n const length = packets.length;\n const encodedPackets = new Array(length);\n let count = 0;\n packets.forEach((packet, i) => {\n // force base64 encoding for binary packets\n encodePacket(packet, false, encodedPacket => {\n encodedPackets[i] = encodedPacket;\n if (++count === length) {\n callback(encodedPackets.join(SEPARATOR));\n }\n });\n });\n};\nconst decodePayload = (encodedPayload, binaryType) => {\n const encodedPackets = encodedPayload.split(SEPARATOR);\n const packets = [];\n for (let i = 0; i < encodedPackets.length; i++) {\n const decodedPacket = decodePacket(encodedPackets[i], binaryType);\n packets.push(decodedPacket);\n if (decodedPacket.type === \"error\") {\n break;\n }\n }\n return packets;\n};\nexport function createPacketEncoderStream() {\n return new TransformStream({\n transform(packet, controller) {\n encodePacketToBinary(packet, encodedPacket => {\n const payloadLength = encodedPacket.length;\n let header;\n // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length\n if (payloadLength < 126) {\n header = new Uint8Array(1);\n new DataView(header.buffer).setUint8(0, payloadLength);\n }\n else if (payloadLength < 65536) {\n header = new Uint8Array(3);\n const view = new DataView(header.buffer);\n view.setUint8(0, 126);\n view.setUint16(1, payloadLength);\n }\n else {\n header = new Uint8Array(9);\n const view = new DataView(header.buffer);\n view.setUint8(0, 127);\n view.setBigUint64(1, BigInt(payloadLength));\n }\n // first bit indicates whether the payload is plain text (0) or binary (1)\n if (packet.data && typeof packet.data !== \"string\") {\n header[0] |= 0x80;\n }\n controller.enqueue(header);\n controller.enqueue(encodedPacket);\n });\n }\n });\n}\nlet TEXT_DECODER;\nfunction totalLength(chunks) {\n return chunks.reduce((acc, chunk) => acc + chunk.length, 0);\n}\nfunction concatChunks(chunks, size) {\n if (chunks[0].length === size) {\n return chunks.shift();\n }\n const buffer = new Uint8Array(size);\n let j = 0;\n for (let i = 0; i < size; i++) {\n buffer[i] = chunks[0][j++];\n if (j === chunks[0].length) {\n chunks.shift();\n j = 0;\n }\n }\n if (chunks.length && j < chunks[0].length) {\n chunks[0] = chunks[0].slice(j);\n }\n return buffer;\n}\nexport function createPacketDecoderStream(maxPayload, binaryType) {\n if (!TEXT_DECODER) {\n TEXT_DECODER = new TextDecoder();\n }\n const chunks = [];\n let state = 0 /* READ_HEADER */;\n let expectedLength = -1;\n let isBinary = false;\n return new TransformStream({\n transform(chunk, controller) {\n chunks.push(chunk);\n while (true) {\n if (state === 0 /* READ_HEADER */) {\n if (totalLength(chunks) < 1) {\n break;\n }\n const header = concatChunks(chunks, 1);\n isBinary = (header[0] & 0x80) === 0x80;\n expectedLength = header[0] & 0x7f;\n if (expectedLength < 126) {\n state = 3 /* READ_PAYLOAD */;\n }\n else if (expectedLength === 126) {\n state = 1 /* READ_EXTENDED_LENGTH_16 */;\n }\n else {\n state = 2 /* READ_EXTENDED_LENGTH_64 */;\n }\n }\n else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) {\n if (totalLength(chunks) < 2) {\n break;\n }\n const headerArray = concatChunks(chunks, 2);\n expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0);\n state = 3 /* READ_PAYLOAD */;\n }\n else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) {\n if (totalLength(chunks) < 8) {\n break;\n }\n const headerArray = concatChunks(chunks, 8);\n const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length);\n const n = view.getUint32(0);\n if (n > Math.pow(2, 53 - 32) - 1) {\n // the maximum safe integer in JavaScript is 2^53 - 1\n controller.enqueue(ERROR_PACKET);\n break;\n }\n expectedLength = n * Math.pow(2, 32) + view.getUint32(4);\n state = 3 /* READ_PAYLOAD */;\n }\n else {\n if (totalLength(chunks) < expectedLength) {\n break;\n }\n const data = concatChunks(chunks, expectedLength);\n controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType));\n state = 0 /* READ_HEADER */;\n }\n if (expectedLength === 0 || expectedLength > maxPayload) {\n controller.enqueue(ERROR_PACKET);\n break;\n }\n }\n }\n });\n}\nexport const protocol = 4;\nexport { encodePacket, encodePayload, decodePacket, decodePayload };\n","/**\n * Initialize a new `Emitter`.\n *\n * @api public\n */\n\nexport function Emitter(obj) {\n if (obj) return mixin(obj);\n}\n\n/**\n * Mixin the emitter properties.\n *\n * @param {Object} obj\n * @return {Object}\n * @api private\n */\n\nfunction mixin(obj) {\n for (var key in Emitter.prototype) {\n obj[key] = Emitter.prototype[key];\n }\n return obj;\n}\n\n/**\n * Listen on the given `event` with `fn`.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.on =\nEmitter.prototype.addEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\n .push(fn);\n return this;\n};\n\n/**\n * Adds an `event` listener that will be invoked a single\n * time then automatically removed.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.once = function(event, fn){\n function on() {\n this.off(event, on);\n fn.apply(this, arguments);\n }\n\n on.fn = fn;\n this.on(event, on);\n return this;\n};\n\n/**\n * Remove the given callback for `event` or all\n * registered callbacks.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.off =\nEmitter.prototype.removeListener =\nEmitter.prototype.removeAllListeners =\nEmitter.prototype.removeEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n\n // all\n if (0 == arguments.length) {\n this._callbacks = {};\n return this;\n }\n\n // specific event\n var callbacks = this._callbacks['$' + event];\n if (!callbacks) return this;\n\n // remove all handlers\n if (1 == arguments.length) {\n delete this._callbacks['$' + event];\n return this;\n }\n\n // remove specific handler\n var cb;\n for (var i = 0; i < callbacks.length; i++) {\n cb = callbacks[i];\n if (cb === fn || cb.fn === fn) {\n callbacks.splice(i, 1);\n break;\n }\n }\n\n // Remove event specific arrays for event types that no\n // one is subscribed for to avoid memory leak.\n if (callbacks.length === 0) {\n delete this._callbacks['$' + event];\n }\n\n return this;\n};\n\n/**\n * Emit `event` with the given args.\n *\n * @param {String} event\n * @param {Mixed} ...\n * @return {Emitter}\n */\n\nEmitter.prototype.emit = function(event){\n this._callbacks = this._callbacks || {};\n\n var args = new Array(arguments.length - 1)\n , callbacks = this._callbacks['$' + event];\n\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n\n if (callbacks) {\n callbacks = callbacks.slice(0);\n for (var i = 0, len = callbacks.length; i < len; ++i) {\n callbacks[i].apply(this, args);\n }\n }\n\n return this;\n};\n\n// alias used for reserved events (protected method)\nEmitter.prototype.emitReserved = Emitter.prototype.emit;\n\n/**\n * Return array of callbacks for `event`.\n *\n * @param {String} event\n * @return {Array}\n * @api public\n */\n\nEmitter.prototype.listeners = function(event){\n this._callbacks = this._callbacks || {};\n return this._callbacks['$' + event] || [];\n};\n\n/**\n * Check if this emitter has `event` handlers.\n *\n * @param {String} event\n * @return {Boolean}\n * @api public\n */\n\nEmitter.prototype.hasListeners = function(event){\n return !! this.listeners(event).length;\n};\n","export const globalThisShim = (() => {\n if (typeof self !== \"undefined\") {\n return self;\n }\n else if (typeof window !== \"undefined\") {\n return window;\n }\n else {\n return Function(\"return this\")();\n }\n})();\n","import { globalThisShim as globalThis } from \"./globalThis.js\";\nexport function pick(obj, ...attr) {\n return attr.reduce((acc, k) => {\n if (obj.hasOwnProperty(k)) {\n acc[k] = obj[k];\n }\n return acc;\n }, {});\n}\n// Keep a reference to the real timeout functions so they can be used when overridden\nconst NATIVE_SET_TIMEOUT = globalThis.setTimeout;\nconst NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout;\nexport function installTimerFunctions(obj, opts) {\n if (opts.useNativeTimers) {\n obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis);\n obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis);\n }\n else {\n obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis);\n obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis);\n }\n}\n// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64)\nconst BASE64_OVERHEAD = 1.33;\n// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9\nexport function byteLength(obj) {\n if (typeof obj === \"string\") {\n return utf8Length(obj);\n }\n // arraybuffer or blob\n return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD);\n}\nfunction utf8Length(str) {\n let c = 0, length = 0;\n for (let i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n length += 1;\n }\n else if (c < 0x800) {\n length += 2;\n }\n else if (c < 0xd800 || c >= 0xe000) {\n length += 3;\n }\n else {\n i++;\n length += 4;\n }\n }\n return length;\n}\n","// imported from https://github.com/galkn/querystring\n/**\n * Compiles a querystring\n * Returns string representation of the object\n *\n * @param {Object}\n * @api private\n */\nexport function encode(obj) {\n let str = '';\n for (let i in obj) {\n if (obj.hasOwnProperty(i)) {\n if (str.length)\n str += '&';\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\n }\n }\n return str;\n}\n/**\n * Parses a simple querystring into an object\n *\n * @param {String} qs\n * @api private\n */\nexport function decode(qs) {\n let qry = {};\n let pairs = qs.split('&');\n for (let i = 0, l = pairs.length; i < l; i++) {\n let pair = pairs[i].split('=');\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n }\n return qry;\n}\n","import { decodePacket } from \"engine.io-parser\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions } from \"./util.js\";\nimport { encode } from \"./contrib/parseqs.js\";\nexport class TransportError extends Error {\n constructor(reason, description, context) {\n super(reason);\n this.description = description;\n this.context = context;\n this.type = \"TransportError\";\n }\n}\nexport class Transport extends Emitter {\n /**\n * Transport abstract constructor.\n *\n * @param {Object} opts - options\n * @protected\n */\n constructor(opts) {\n super();\n this.writable = false;\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.query = opts.query;\n this.socket = opts.socket;\n }\n /**\n * Emits an error.\n *\n * @param {String} reason\n * @param description\n * @param context - the error context\n * @return {Transport} for chaining\n * @protected\n */\n onError(reason, description, context) {\n super.emitReserved(\"error\", new TransportError(reason, description, context));\n return this;\n }\n /**\n * Opens the transport.\n */\n open() {\n this.readyState = \"opening\";\n this.doOpen();\n return this;\n }\n /**\n * Closes the transport.\n */\n close() {\n if (this.readyState === \"opening\" || this.readyState === \"open\") {\n this.doClose();\n this.onClose();\n }\n return this;\n }\n /**\n * Sends multiple packets.\n *\n * @param {Array} packets\n */\n send(packets) {\n if (this.readyState === \"open\") {\n this.write(packets);\n }\n else {\n // this might happen if the transport was silently closed in the beforeunload event handler\n }\n }\n /**\n * Called upon open\n *\n * @protected\n */\n onOpen() {\n this.readyState = \"open\";\n this.writable = true;\n super.emitReserved(\"open\");\n }\n /**\n * Called with data.\n *\n * @param {String} data\n * @protected\n */\n onData(data) {\n const packet = decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n }\n /**\n * Called with a decoded packet.\n *\n * @protected\n */\n onPacket(packet) {\n super.emitReserved(\"packet\", packet);\n }\n /**\n * Called upon close.\n *\n * @protected\n */\n onClose(details) {\n this.readyState = \"closed\";\n super.emitReserved(\"close\", details);\n }\n /**\n * Pauses the transport, in order not to lose packets during an upgrade.\n *\n * @param onPause\n */\n pause(onPause) { }\n createUri(schema, query = {}) {\n return (schema +\n \"://\" +\n this._hostname() +\n this._port() +\n this.opts.path +\n this._query(query));\n }\n _hostname() {\n const hostname = this.opts.hostname;\n return hostname.indexOf(\":\") === -1 ? hostname : \"[\" + hostname + \"]\";\n }\n _port() {\n if (this.opts.port &&\n ((this.opts.secure && Number(this.opts.port !== 443)) ||\n (!this.opts.secure && Number(this.opts.port) !== 80))) {\n return \":\" + this.opts.port;\n }\n else {\n return \"\";\n }\n }\n _query(query) {\n const encodedQuery = encode(query);\n return encodedQuery.length ? \"?\" + encodedQuery : \"\";\n }\n}\n","// imported from https://github.com/unshiftio/yeast\n'use strict';\nconst alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {};\nlet seed = 0, i = 0, prev;\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nexport function encode(num) {\n let encoded = '';\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n return encoded;\n}\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nexport function decode(str) {\n let decoded = 0;\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n return decoded;\n}\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nexport function yeast() {\n const now = encode(+new Date());\n if (now !== prev)\n return seed = 0, prev = now;\n return now + '.' + encode(seed++);\n}\n//\n// Map each character to its index.\n//\nfor (; i < length; i++)\n map[alphabet[i]] = i;\n","// imported from https://github.com/component/has-cors\nlet value = false;\ntry {\n value = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n}\ncatch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n}\nexport const hasCORS = value;\n","// browser shim for xmlhttprequest module\nimport { hasCORS } from \"../contrib/has-cors.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nexport function XHR(opts) {\n const xdomain = opts.xdomain;\n // XMLHttpRequest can be disabled on IE\n try {\n if (\"undefined\" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n }\n catch (e) { }\n if (!xdomain) {\n try {\n return new globalThis[[\"Active\"].concat(\"Object\").join(\"X\")](\"Microsoft.XMLHTTP\");\n }\n catch (e) { }\n }\n}\nexport function createCookieJar() { }\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { encodePayload, decodePayload } from \"engine.io-parser\";\nimport { createCookieJar, XHR as XMLHttpRequest, } from \"./xmlhttprequest.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions, pick } from \"../util.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nfunction empty() { }\nconst hasXHR2 = (function () {\n const xhr = new XMLHttpRequest({\n xdomain: false,\n });\n return null != xhr.responseType;\n})();\nexport class Polling extends Transport {\n /**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @package\n */\n constructor(opts) {\n super(opts);\n this.polling = false;\n if (typeof location !== \"undefined\") {\n const isSSL = \"https:\" === location.protocol;\n let port = location.port;\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? \"443\" : \"80\";\n }\n this.xd =\n (typeof location !== \"undefined\" &&\n opts.hostname !== location.hostname) ||\n port !== opts.port;\n }\n /**\n * XHR supports binary\n */\n const forceBase64 = opts && opts.forceBase64;\n this.supportsBinary = hasXHR2 && !forceBase64;\n if (this.opts.withCredentials) {\n this.cookieJar = createCookieJar();\n }\n }\n get name() {\n return \"polling\";\n }\n /**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @protected\n */\n doOpen() {\n this.poll();\n }\n /**\n * Pauses polling.\n *\n * @param {Function} onPause - callback upon buffers are flushed and transport is paused\n * @package\n */\n pause(onPause) {\n this.readyState = \"pausing\";\n const pause = () => {\n this.readyState = \"paused\";\n onPause();\n };\n if (this.polling || !this.writable) {\n let total = 0;\n if (this.polling) {\n total++;\n this.once(\"pollComplete\", function () {\n --total || pause();\n });\n }\n if (!this.writable) {\n total++;\n this.once(\"drain\", function () {\n --total || pause();\n });\n }\n }\n else {\n pause();\n }\n }\n /**\n * Starts polling cycle.\n *\n * @private\n */\n poll() {\n this.polling = true;\n this.doPoll();\n this.emitReserved(\"poll\");\n }\n /**\n * Overloads onData to detect payloads.\n *\n * @protected\n */\n onData(data) {\n const callback = (packet) => {\n // if its the first message we consider the transport open\n if (\"opening\" === this.readyState && packet.type === \"open\") {\n this.onOpen();\n }\n // if its a close packet, we close the ongoing requests\n if (\"close\" === packet.type) {\n this.onClose({ description: \"transport closed by the server\" });\n return false;\n }\n // otherwise bypass onData and handle the message\n this.onPacket(packet);\n };\n // decode payload\n decodePayload(data, this.socket.binaryType).forEach(callback);\n // if an event did not trigger closing\n if (\"closed\" !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emitReserved(\"pollComplete\");\n if (\"open\" === this.readyState) {\n this.poll();\n }\n else {\n }\n }\n }\n /**\n * For polling, send a close packet.\n *\n * @protected\n */\n doClose() {\n const close = () => {\n this.write([{ type: \"close\" }]);\n };\n if (\"open\" === this.readyState) {\n close();\n }\n else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n this.once(\"open\", close);\n }\n }\n /**\n * Writes a packets payload.\n *\n * @param {Array} packets - data packets\n * @protected\n */\n write(packets) {\n this.writable = false;\n encodePayload(packets, (data) => {\n this.doWrite(data, () => {\n this.writable = true;\n this.emitReserved(\"drain\");\n });\n });\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"https\" : \"http\";\n const query = this.query || {};\n // cache busting is forced\n if (false !== this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Creates a request.\n *\n * @param {String} method\n * @private\n */\n request(opts = {}) {\n Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts);\n return new Request(this.uri(), opts);\n }\n /**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @private\n */\n doWrite(data, fn) {\n const req = this.request({\n method: \"POST\",\n data: data,\n });\n req.on(\"success\", fn);\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr post error\", xhrStatus, context);\n });\n }\n /**\n * Starts a poll cycle.\n *\n * @private\n */\n doPoll() {\n const req = this.request();\n req.on(\"data\", this.onData.bind(this));\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr poll error\", xhrStatus, context);\n });\n this.pollXhr = req;\n }\n}\nexport class Request extends Emitter {\n /**\n * Request constructor\n *\n * @param {Object} options\n * @package\n */\n constructor(uri, opts) {\n super();\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.method = opts.method || \"GET\";\n this.uri = uri;\n this.data = undefined !== opts.data ? opts.data : null;\n this.create();\n }\n /**\n * Creates the XHR object and sends the request.\n *\n * @private\n */\n create() {\n var _a;\n const opts = pick(this.opts, \"agent\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"autoUnref\");\n opts.xdomain = !!this.opts.xd;\n const xhr = (this.xhr = new XMLHttpRequest(opts));\n try {\n xhr.open(this.method, this.uri, true);\n try {\n if (this.opts.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (let i in this.opts.extraHeaders) {\n if (this.opts.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.opts.extraHeaders[i]);\n }\n }\n }\n }\n catch (e) { }\n if (\"POST\" === this.method) {\n try {\n xhr.setRequestHeader(\"Content-type\", \"text/plain;charset=UTF-8\");\n }\n catch (e) { }\n }\n try {\n xhr.setRequestHeader(\"Accept\", \"*/*\");\n }\n catch (e) { }\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr);\n // ie6 check\n if (\"withCredentials\" in xhr) {\n xhr.withCredentials = this.opts.withCredentials;\n }\n if (this.opts.requestTimeout) {\n xhr.timeout = this.opts.requestTimeout;\n }\n xhr.onreadystatechange = () => {\n var _a;\n if (xhr.readyState === 3) {\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr);\n }\n if (4 !== xhr.readyState)\n return;\n if (200 === xhr.status || 1223 === xhr.status) {\n this.onLoad();\n }\n else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n this.setTimeoutFn(() => {\n this.onError(typeof xhr.status === \"number\" ? xhr.status : 0);\n }, 0);\n }\n };\n xhr.send(this.data);\n }\n catch (e) {\n // Need to defer since .create() is called directly from the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n this.setTimeoutFn(() => {\n this.onError(e);\n }, 0);\n return;\n }\n if (typeof document !== \"undefined\") {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n }\n /**\n * Called upon error.\n *\n * @private\n */\n onError(err) {\n this.emitReserved(\"error\", err, this.xhr);\n this.cleanup(true);\n }\n /**\n * Cleans up house.\n *\n * @private\n */\n cleanup(fromError) {\n if (\"undefined\" === typeof this.xhr || null === this.xhr) {\n return;\n }\n this.xhr.onreadystatechange = empty;\n if (fromError) {\n try {\n this.xhr.abort();\n }\n catch (e) { }\n }\n if (typeof document !== \"undefined\") {\n delete Request.requests[this.index];\n }\n this.xhr = null;\n }\n /**\n * Called upon load.\n *\n * @private\n */\n onLoad() {\n const data = this.xhr.responseText;\n if (data !== null) {\n this.emitReserved(\"data\", data);\n this.emitReserved(\"success\");\n this.cleanup();\n }\n }\n /**\n * Aborts the request.\n *\n * @package\n */\n abort() {\n this.cleanup();\n }\n}\nRequest.requestsCount = 0;\nRequest.requests = {};\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\nif (typeof document !== \"undefined\") {\n // @ts-ignore\n if (typeof attachEvent === \"function\") {\n // @ts-ignore\n attachEvent(\"onunload\", unloadHandler);\n }\n else if (typeof addEventListener === \"function\") {\n const terminationEvent = \"onpagehide\" in globalThis ? \"pagehide\" : \"unload\";\n addEventListener(terminationEvent, unloadHandler, false);\n }\n}\nfunction unloadHandler() {\n for (let i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n","import { globalThisShim as globalThis } from \"../globalThis.js\";\nexport const nextTick = (() => {\n const isPromiseAvailable = typeof Promise === \"function\" && typeof Promise.resolve === \"function\";\n if (isPromiseAvailable) {\n return (cb) => Promise.resolve().then(cb);\n }\n else {\n return (cb, setTimeoutFn) => setTimeoutFn(cb, 0);\n }\n})();\nexport const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket;\nexport const usingBrowserWebSocket = true;\nexport const defaultBinaryType = \"arraybuffer\";\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { pick } from \"../util.js\";\nimport { nextTick, usingBrowserWebSocket, WebSocket, } from \"./websocket-constructor.js\";\nimport { encodePacket } from \"engine.io-parser\";\n// detect ReactNative environment\nconst isReactNative = typeof navigator !== \"undefined\" &&\n typeof navigator.product === \"string\" &&\n navigator.product.toLowerCase() === \"reactnative\";\nexport class WS extends Transport {\n /**\n * WebSocket transport constructor.\n *\n * @param {Object} opts - connection options\n * @protected\n */\n constructor(opts) {\n super(opts);\n this.supportsBinary = !opts.forceBase64;\n }\n get name() {\n return \"websocket\";\n }\n doOpen() {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n const uri = this.uri();\n const protocols = this.opts.protocols;\n // React Native only supports the 'headers' option, and will print a warning if anything else is passed\n const opts = isReactNative\n ? {}\n : pick(this.opts, \"agent\", \"perMessageDeflate\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"localAddress\", \"protocolVersion\", \"origin\", \"maxPayload\", \"family\", \"checkServerIdentity\");\n if (this.opts.extraHeaders) {\n opts.headers = this.opts.extraHeaders;\n }\n try {\n this.ws =\n usingBrowserWebSocket && !isReactNative\n ? protocols\n ? new WebSocket(uri, protocols)\n : new WebSocket(uri)\n : new WebSocket(uri, protocols, opts);\n }\n catch (err) {\n return this.emitReserved(\"error\", err);\n }\n this.ws.binaryType = this.socket.binaryType;\n this.addEventListeners();\n }\n /**\n * Adds event listeners to the socket\n *\n * @private\n */\n addEventListeners() {\n this.ws.onopen = () => {\n if (this.opts.autoUnref) {\n this.ws._socket.unref();\n }\n this.onOpen();\n };\n this.ws.onclose = (closeEvent) => this.onClose({\n description: \"websocket connection closed\",\n context: closeEvent,\n });\n this.ws.onmessage = (ev) => this.onData(ev.data);\n this.ws.onerror = (e) => this.onError(\"websocket error\", e);\n }\n write(packets) {\n this.writable = false;\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n encodePacket(packet, this.supportsBinary, (data) => {\n // always create a new object (GH-437)\n const opts = {};\n if (!usingBrowserWebSocket) {\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n if (this.opts.perMessageDeflate) {\n const len = \n // @ts-ignore\n \"string\" === typeof data ? Buffer.byteLength(data) : data.length;\n if (len < this.opts.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n this.ws.send(data);\n }\n else {\n this.ws.send(data, opts);\n }\n }\n catch (e) {\n }\n if (lastPacket) {\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n if (typeof this.ws !== \"undefined\") {\n this.ws.close();\n this.ws = null;\n }\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"wss\" : \"ws\";\n const query = this.query || {};\n // append timestamp to URI\n if (this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @private\n */\n check() {\n return !!WebSocket;\n }\n}\n","import { Transport } from \"../transport.js\";\nimport { nextTick } from \"./websocket-constructor.js\";\nimport { createPacketDecoderStream, createPacketEncoderStream, } from \"engine.io-parser\";\nexport class WT extends Transport {\n get name() {\n return \"webtransport\";\n }\n doOpen() {\n // @ts-ignore\n if (typeof WebTransport !== \"function\") {\n return;\n }\n // @ts-ignore\n this.transport = new WebTransport(this.createUri(\"https\"), this.opts.transportOptions[this.name]);\n this.transport.closed\n .then(() => {\n this.onClose();\n })\n .catch((err) => {\n this.onError(\"webtransport error\", err);\n });\n // note: we could have used async/await, but that would require some additional polyfills\n this.transport.ready.then(() => {\n this.transport.createBidirectionalStream().then((stream) => {\n const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType);\n const reader = stream.readable.pipeThrough(decoderStream).getReader();\n const encoderStream = createPacketEncoderStream();\n encoderStream.readable.pipeTo(stream.writable);\n this.writer = encoderStream.writable.getWriter();\n const read = () => {\n reader\n .read()\n .then(({ done, value }) => {\n if (done) {\n return;\n }\n this.onPacket(value);\n read();\n })\n .catch((err) => {\n });\n };\n read();\n const packet = { type: \"open\" };\n if (this.query.sid) {\n packet.data = `{\"sid\":\"${this.query.sid}\"}`;\n }\n this.writer.write(packet).then(() => this.onOpen());\n });\n });\n }\n write(packets) {\n this.writable = false;\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n this.writer.write(packet).then(() => {\n if (lastPacket) {\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n var _a;\n (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close();\n }\n}\n","import { Polling } from \"./polling.js\";\nimport { WS } from \"./websocket.js\";\nimport { WT } from \"./webtransport.js\";\nexport const transports = {\n websocket: WS,\n webtransport: WT,\n polling: Polling,\n};\n","// imported from https://github.com/galkn/parseuri\n/**\n * Parses a URI\n *\n * Note: we could also have used the built-in URL object, but it isn't supported on all platforms.\n *\n * See:\n * - https://developer.mozilla.org/en-US/docs/Web/API/URL\n * - https://caniuse.com/url\n * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B\n *\n * History of the parse() method:\n * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c\n * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3\n * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242\n *\n * @author Steven Levithan (MIT license)\n * @api private\n */\nconst re = /^(?:(?![^:@\\/?#]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@\\/?#]*)(?::([^:@\\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\nconst parts = [\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\n];\nexport function parse(str) {\n if (str.length > 2000) {\n throw \"URI too long\";\n }\n const src = str, b = str.indexOf('['), e = str.indexOf(']');\n if (b != -1 && e != -1) {\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\n }\n let m = re.exec(str || ''), uri = {}, i = 14;\n while (i--) {\n uri[parts[i]] = m[i] || '';\n }\n if (b != -1 && e != -1) {\n uri.source = src;\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\n uri.ipv6uri = true;\n }\n uri.pathNames = pathNames(uri, uri['path']);\n uri.queryKey = queryKey(uri, uri['query']);\n return uri;\n}\nfunction pathNames(obj, path) {\n const regx = /\\/{2,9}/g, names = path.replace(regx, \"/\").split(\"/\");\n if (path.slice(0, 1) == '/' || path.length === 0) {\n names.splice(0, 1);\n }\n if (path.slice(-1) == '/') {\n names.splice(names.length - 1, 1);\n }\n return names;\n}\nfunction queryKey(uri, query) {\n const data = {};\n query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {\n if ($1) {\n data[$1] = $2;\n }\n });\n return data;\n}\n","import { transports } from \"./transports/index.js\";\nimport { installTimerFunctions, byteLength } from \"./util.js\";\nimport { decode } from \"./contrib/parseqs.js\";\nimport { parse } from \"./contrib/parseuri.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { protocol } from \"engine.io-parser\";\nimport { defaultBinaryType } from \"./transports/websocket-constructor.js\";\nexport class Socket extends Emitter {\n /**\n * Socket constructor.\n *\n * @param {String|Object} uri - uri or options\n * @param {Object} opts - options\n */\n constructor(uri, opts = {}) {\n super();\n this.binaryType = defaultBinaryType;\n this.writeBuffer = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = null;\n }\n if (uri) {\n uri = parse(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === \"https\" || uri.protocol === \"wss\";\n opts.port = uri.port;\n if (uri.query)\n opts.query = uri.query;\n }\n else if (opts.host) {\n opts.hostname = parse(opts.host).host;\n }\n installTimerFunctions(this, opts);\n this.secure =\n null != opts.secure\n ? opts.secure\n : typeof location !== \"undefined\" && \"https:\" === location.protocol;\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? \"443\" : \"80\";\n }\n this.hostname =\n opts.hostname ||\n (typeof location !== \"undefined\" ? location.hostname : \"localhost\");\n this.port =\n opts.port ||\n (typeof location !== \"undefined\" && location.port\n ? location.port\n : this.secure\n ? \"443\"\n : \"80\");\n this.transports = opts.transports || [\n \"polling\",\n \"websocket\",\n \"webtransport\",\n ];\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.opts = Object.assign({\n path: \"/engine.io\",\n agent: false,\n withCredentials: false,\n upgrade: true,\n timestampParam: \"t\",\n rememberUpgrade: false,\n addTrailingSlash: true,\n rejectUnauthorized: true,\n perMessageDeflate: {\n threshold: 1024,\n },\n transportOptions: {},\n closeOnBeforeunload: false,\n }, opts);\n this.opts.path =\n this.opts.path.replace(/\\/$/, \"\") +\n (this.opts.addTrailingSlash ? \"/\" : \"\");\n if (typeof this.opts.query === \"string\") {\n this.opts.query = decode(this.opts.query);\n }\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n // set on heartbeat\n this.pingTimeoutTimer = null;\n if (typeof addEventListener === \"function\") {\n if (this.opts.closeOnBeforeunload) {\n // Firefox closes the connection when the \"beforeunload\" event is emitted but not Chrome. This event listener\n // ensures every browser behaves the same (no \"disconnect\" event at the Socket.IO level when the page is\n // closed/reloaded)\n this.beforeunloadEventListener = () => {\n if (this.transport) {\n // silently close the transport\n this.transport.removeAllListeners();\n this.transport.close();\n }\n };\n addEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n }\n if (this.hostname !== \"localhost\") {\n this.offlineEventListener = () => {\n this.onClose(\"transport close\", {\n description: \"network connection lost\",\n });\n };\n addEventListener(\"offline\", this.offlineEventListener, false);\n }\n }\n this.open();\n }\n /**\n * Creates transport of the given type.\n *\n * @param {String} name - transport name\n * @return {Transport}\n * @private\n */\n createTransport(name) {\n const query = Object.assign({}, this.opts.query);\n // append engine.io protocol identifier\n query.EIO = protocol;\n // transport name\n query.transport = name;\n // session id if we already have one\n if (this.id)\n query.sid = this.id;\n const opts = Object.assign({}, this.opts, {\n query,\n socket: this,\n hostname: this.hostname,\n secure: this.secure,\n port: this.port,\n }, this.opts.transportOptions[name]);\n return new transports[name](opts);\n }\n /**\n * Initializes transport to use and starts probe.\n *\n * @private\n */\n open() {\n let transport;\n if (this.opts.rememberUpgrade &&\n Socket.priorWebsocketSuccess &&\n this.transports.indexOf(\"websocket\") !== -1) {\n transport = \"websocket\";\n }\n else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n this.setTimeoutFn(() => {\n this.emitReserved(\"error\", \"No transports available\");\n }, 0);\n return;\n }\n else {\n transport = this.transports[0];\n }\n this.readyState = \"opening\";\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n }\n catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n transport.open();\n this.setTransport(transport);\n }\n /**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @private\n */\n setTransport(transport) {\n if (this.transport) {\n this.transport.removeAllListeners();\n }\n // set up transport\n this.transport = transport;\n // set up transport listeners\n transport\n .on(\"drain\", this.onDrain.bind(this))\n .on(\"packet\", this.onPacket.bind(this))\n .on(\"error\", this.onError.bind(this))\n .on(\"close\", (reason) => this.onClose(\"transport close\", reason));\n }\n /**\n * Probes a transport.\n *\n * @param {String} name - transport name\n * @private\n */\n probe(name) {\n let transport = this.createTransport(name);\n let failed = false;\n Socket.priorWebsocketSuccess = false;\n const onTransportOpen = () => {\n if (failed)\n return;\n transport.send([{ type: \"ping\", data: \"probe\" }]);\n transport.once(\"packet\", (msg) => {\n if (failed)\n return;\n if (\"pong\" === msg.type && \"probe\" === msg.data) {\n this.upgrading = true;\n this.emitReserved(\"upgrading\", transport);\n if (!transport)\n return;\n Socket.priorWebsocketSuccess = \"websocket\" === transport.name;\n this.transport.pause(() => {\n if (failed)\n return;\n if (\"closed\" === this.readyState)\n return;\n cleanup();\n this.setTransport(transport);\n transport.send([{ type: \"upgrade\" }]);\n this.emitReserved(\"upgrade\", transport);\n transport = null;\n this.upgrading = false;\n this.flush();\n });\n }\n else {\n const err = new Error(\"probe error\");\n // @ts-ignore\n err.transport = transport.name;\n this.emitReserved(\"upgradeError\", err);\n }\n });\n };\n function freezeTransport() {\n if (failed)\n return;\n // Any callback called by transport should be ignored since now\n failed = true;\n cleanup();\n transport.close();\n transport = null;\n }\n // Handle any error that happens while probing\n const onerror = (err) => {\n const error = new Error(\"probe error: \" + err);\n // @ts-ignore\n error.transport = transport.name;\n freezeTransport();\n this.emitReserved(\"upgradeError\", error);\n };\n function onTransportClose() {\n onerror(\"transport closed\");\n }\n // When the socket is closed while we're probing\n function onclose() {\n onerror(\"socket closed\");\n }\n // When the socket is upgraded while we're probing\n function onupgrade(to) {\n if (transport && to.name !== transport.name) {\n freezeTransport();\n }\n }\n // Remove all listeners on the transport and on self\n const cleanup = () => {\n transport.removeListener(\"open\", onTransportOpen);\n transport.removeListener(\"error\", onerror);\n transport.removeListener(\"close\", onTransportClose);\n this.off(\"close\", onclose);\n this.off(\"upgrading\", onupgrade);\n };\n transport.once(\"open\", onTransportOpen);\n transport.once(\"error\", onerror);\n transport.once(\"close\", onTransportClose);\n this.once(\"close\", onclose);\n this.once(\"upgrading\", onupgrade);\n if (this.upgrades.indexOf(\"webtransport\") !== -1 &&\n name !== \"webtransport\") {\n // favor WebTransport\n this.setTimeoutFn(() => {\n if (!failed) {\n transport.open();\n }\n }, 200);\n }\n else {\n transport.open();\n }\n }\n /**\n * Called when connection is deemed open.\n *\n * @private\n */\n onOpen() {\n this.readyState = \"open\";\n Socket.priorWebsocketSuccess = \"websocket\" === this.transport.name;\n this.emitReserved(\"open\");\n this.flush();\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if (\"open\" === this.readyState && this.opts.upgrade) {\n let i = 0;\n const l = this.upgrades.length;\n for (; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n }\n /**\n * Handles a packet.\n *\n * @private\n */\n onPacket(packet) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n this.emitReserved(\"packet\", packet);\n // Socket is live - any packet counts\n this.emitReserved(\"heartbeat\");\n this.resetPingTimeout();\n switch (packet.type) {\n case \"open\":\n this.onHandshake(JSON.parse(packet.data));\n break;\n case \"ping\":\n this.sendPacket(\"pong\");\n this.emitReserved(\"ping\");\n this.emitReserved(\"pong\");\n break;\n case \"error\":\n const err = new Error(\"server error\");\n // @ts-ignore\n err.code = packet.data;\n this.onError(err);\n break;\n case \"message\":\n this.emitReserved(\"data\", packet.data);\n this.emitReserved(\"message\", packet.data);\n break;\n }\n }\n else {\n }\n }\n /**\n * Called upon handshake completion.\n *\n * @param {Object} data - handshake obj\n * @private\n */\n onHandshake(data) {\n this.emitReserved(\"handshake\", data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.maxPayload = data.maxPayload;\n this.onOpen();\n // In case open handler closes socket\n if (\"closed\" === this.readyState)\n return;\n this.resetPingTimeout();\n }\n /**\n * Sets and resets ping timeout timer based on server pings.\n *\n * @private\n */\n resetPingTimeout() {\n this.clearTimeoutFn(this.pingTimeoutTimer);\n this.pingTimeoutTimer = this.setTimeoutFn(() => {\n this.onClose(\"ping timeout\");\n }, this.pingInterval + this.pingTimeout);\n if (this.opts.autoUnref) {\n this.pingTimeoutTimer.unref();\n }\n }\n /**\n * Called on `drain` event\n *\n * @private\n */\n onDrain() {\n this.writeBuffer.splice(0, this.prevBufferLen);\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n if (0 === this.writeBuffer.length) {\n this.emitReserved(\"drain\");\n }\n else {\n this.flush();\n }\n }\n /**\n * Flush write buffers.\n *\n * @private\n */\n flush() {\n if (\"closed\" !== this.readyState &&\n this.transport.writable &&\n !this.upgrading &&\n this.writeBuffer.length) {\n const packets = this.getWritablePackets();\n this.transport.send(packets);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = packets.length;\n this.emitReserved(\"flush\");\n }\n }\n /**\n * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP\n * long-polling)\n *\n * @private\n */\n getWritablePackets() {\n const shouldCheckPayloadSize = this.maxPayload &&\n this.transport.name === \"polling\" &&\n this.writeBuffer.length > 1;\n if (!shouldCheckPayloadSize) {\n return this.writeBuffer;\n }\n let payloadSize = 1; // first packet type\n for (let i = 0; i < this.writeBuffer.length; i++) {\n const data = this.writeBuffer[i].data;\n if (data) {\n payloadSize += byteLength(data);\n }\n if (i > 0 && payloadSize > this.maxPayload) {\n return this.writeBuffer.slice(0, i);\n }\n payloadSize += 2; // separator + packet type\n }\n return this.writeBuffer;\n }\n /**\n * Sends a message.\n *\n * @param {String} msg - message.\n * @param {Object} 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this.writeBuffer}},{key:"write",value:function(e,t,r){return this.sendPacket("message",e,t,r),this}},{key:"send",value:function(e,t,r){return this.sendPacket("message",e,t,r),this}},{key:"sendPacket",value:function(e,t,r,n){if("function"==typeof t&&(n=t,t=void 0),"function"==typeof r&&(n=r,r=null),"closing"!==this.readyState&&"closed"!==this.readyState){(r=r||{}).compress=!1!==r.compress;var o={type:e,data:t,options:r};this.emitReserved("packetCreate",o),this.writeBuffer.push(o),n&&this.once("flush",n),this.flush()}}},{key:"close",value:function(){var e=this,t=function(){e.onClose("forced close"),e.transport.close()},r=function 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removeEventListener&&(removeEventListener("beforeunload",this.beforeunloadEventListener,!1),removeEventListener("offline",this.offlineEventListener,!1)),this.readyState="closed",this.id=null,this.emitReserved("close",e,t),this.writeBuffer=[],this.prevBufferLen=0)}},{key:"filterUpgrades",value:function(e){for(var t=[],r=0,n=e.length;r {\n PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;\n});\nconst ERROR_PACKET = { type: \"error\", data: \"parser error\" };\nexport { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET };\n","import { PACKET_TYPES } from \"./commons.js\";\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n Object.prototype.toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\n// ArrayBuffer.isView method is not defined in IE10\nconst isView = obj => {\n return typeof ArrayBuffer.isView === \"function\"\n ? 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[] : new Uint8Array(256);\nfor (let i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n}\nexport const encode = (arraybuffer) => {\n let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = '';\n for (i = 0; i < len; i += 3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n if (len % 3 === 2) {\n base64 = base64.substring(0, base64.length - 1) + '=';\n }\n else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + '==';\n }\n return base64;\n};\nexport const decode = (base64) => {\n let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;\n if (base64[base64.length - 1] === '=') {\n bufferLength--;\n if (base64[base64.length - 2] === '=') {\n bufferLength--;\n }\n }\n const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);\n for (i = 0; i < len; i += 4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i + 1)];\n encoded3 = lookup[base64.charCodeAt(i + 2)];\n encoded4 = lookup[base64.charCodeAt(i + 3)];\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n return arraybuffer;\n};\n","import { encodePacket, encodePacketToBinary } from \"./encodePacket.js\";\nimport { decodePacket } from \"./decodePacket.js\";\nimport { ERROR_PACKET } from \"./commons.js\";\nconst SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text\nconst encodePayload = (packets, callback) => {\n // some packets may be added to the array while encoding, so the initial length must be saved\n const length = packets.length;\n const encodedPackets = new Array(length);\n let count = 0;\n packets.forEach((packet, i) => {\n // force base64 encoding for binary packets\n encodePacket(packet, false, encodedPacket => {\n encodedPackets[i] = encodedPacket;\n if (++count === length) {\n callback(encodedPackets.join(SEPARATOR));\n }\n });\n });\n};\nconst decodePayload = (encodedPayload, binaryType) => {\n const encodedPackets = encodedPayload.split(SEPARATOR);\n const packets = [];\n for (let i = 0; i < encodedPackets.length; i++) {\n const decodedPacket = decodePacket(encodedPackets[i], binaryType);\n packets.push(decodedPacket);\n if (decodedPacket.type === \"error\") {\n break;\n }\n }\n return packets;\n};\nexport function createPacketEncoderStream() {\n return new TransformStream({\n transform(packet, controller) {\n encodePacketToBinary(packet, encodedPacket => {\n const payloadLength = encodedPacket.length;\n let header;\n // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length\n if (payloadLength < 126) {\n header = new Uint8Array(1);\n new DataView(header.buffer).setUint8(0, payloadLength);\n }\n else if (payloadLength < 65536) {\n header = new Uint8Array(3);\n const view = new DataView(header.buffer);\n view.setUint8(0, 126);\n view.setUint16(1, payloadLength);\n }\n else {\n header = new Uint8Array(9);\n const view = new DataView(header.buffer);\n view.setUint8(0, 127);\n view.setBigUint64(1, BigInt(payloadLength));\n }\n // first bit indicates whether the payload is plain text (0) or binary (1)\n if (packet.data && typeof packet.data !== \"string\") {\n header[0] |= 0x80;\n }\n controller.enqueue(header);\n controller.enqueue(encodedPacket);\n });\n }\n });\n}\nlet TEXT_DECODER;\nfunction totalLength(chunks) {\n return chunks.reduce((acc, chunk) => acc + chunk.length, 0);\n}\nfunction concatChunks(chunks, size) {\n if (chunks[0].length === size) {\n return chunks.shift();\n }\n const buffer = new Uint8Array(size);\n let j = 0;\n for (let i = 0; i < size; i++) {\n buffer[i] = chunks[0][j++];\n if (j === chunks[0].length) {\n chunks.shift();\n j = 0;\n }\n }\n if (chunks.length && j < chunks[0].length) {\n chunks[0] = chunks[0].slice(j);\n }\n return buffer;\n}\nexport function createPacketDecoderStream(maxPayload, binaryType) {\n if (!TEXT_DECODER) {\n TEXT_DECODER = new TextDecoder();\n }\n const chunks = [];\n let state = 0 /* READ_HEADER */;\n let expectedLength = -1;\n let isBinary = false;\n return new TransformStream({\n transform(chunk, controller) {\n chunks.push(chunk);\n while (true) {\n if (state === 0 /* READ_HEADER */) {\n if (totalLength(chunks) < 1) {\n break;\n }\n const header = concatChunks(chunks, 1);\n isBinary = (header[0] & 0x80) === 0x80;\n expectedLength = header[0] & 0x7f;\n if (expectedLength < 126) {\n state = 3 /* READ_PAYLOAD */;\n }\n else if (expectedLength === 126) {\n state = 1 /* READ_EXTENDED_LENGTH_16 */;\n }\n else {\n state = 2 /* READ_EXTENDED_LENGTH_64 */;\n }\n }\n else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) {\n if (totalLength(chunks) < 2) {\n break;\n }\n const headerArray = concatChunks(chunks, 2);\n expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0);\n state = 3 /* READ_PAYLOAD */;\n }\n else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) {\n if (totalLength(chunks) < 8) {\n break;\n }\n const headerArray = concatChunks(chunks, 8);\n const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length);\n const n = view.getUint32(0);\n if (n > Math.pow(2, 53 - 32) - 1) {\n // the maximum safe integer in JavaScript is 2^53 - 1\n controller.enqueue(ERROR_PACKET);\n break;\n }\n expectedLength = n * Math.pow(2, 32) + view.getUint32(4);\n state = 3 /* READ_PAYLOAD */;\n }\n else {\n if (totalLength(chunks) < expectedLength) {\n break;\n }\n const data = concatChunks(chunks, expectedLength);\n controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType));\n state = 0 /* READ_HEADER */;\n }\n if (expectedLength === 0 || expectedLength > maxPayload) {\n controller.enqueue(ERROR_PACKET);\n break;\n }\n }\n }\n });\n}\nexport const protocol = 4;\nexport { encodePacket, encodePayload, decodePacket, decodePayload };\n","import { ERROR_PACKET, PACKET_TYPES_REVERSE } from \"./commons.js\";\nimport { decode } from \"./contrib/base64-arraybuffer.js\";\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nexport const decodePacket = (encodedPacket, binaryType) => {\n if (typeof encodedPacket !== \"string\") {\n return {\n type: \"message\",\n data: mapBinary(encodedPacket, binaryType)\n };\n }\n const type = encodedPacket.charAt(0);\n if (type === \"b\") {\n return {\n type: \"message\",\n data: decodeBase64Packet(encodedPacket.substring(1), binaryType)\n };\n }\n const packetType = PACKET_TYPES_REVERSE[type];\n if (!packetType) {\n return ERROR_PACKET;\n }\n return encodedPacket.length > 1\n ? {\n type: PACKET_TYPES_REVERSE[type],\n data: encodedPacket.substring(1)\n }\n : {\n type: PACKET_TYPES_REVERSE[type]\n };\n};\nconst decodeBase64Packet = (data, binaryType) => {\n if (withNativeArrayBuffer) {\n const decoded = decode(data);\n return mapBinary(decoded, binaryType);\n }\n else {\n return { base64: true, data }; // fallback for old browsers\n }\n};\nconst mapBinary = (data, binaryType) => {\n switch (binaryType) {\n case \"blob\":\n if (data instanceof Blob) {\n // from WebSocket + binaryType \"blob\"\n return data;\n }\n else {\n // from HTTP long-polling or WebTransport\n return new Blob([data]);\n }\n case \"arraybuffer\":\n default:\n if (data instanceof ArrayBuffer) {\n // from HTTP long-polling (base64) or WebSocket + binaryType \"arraybuffer\"\n return data;\n }\n else {\n // from WebTransport (Uint8Array)\n return data.buffer;\n }\n }\n};\n","/**\n * Initialize a new `Emitter`.\n *\n * @api public\n */\n\nexport function Emitter(obj) {\n if (obj) return mixin(obj);\n}\n\n/**\n * Mixin the emitter properties.\n *\n * @param {Object} obj\n * @return {Object}\n * @api private\n */\n\nfunction mixin(obj) {\n for (var key in Emitter.prototype) {\n obj[key] = Emitter.prototype[key];\n }\n return obj;\n}\n\n/**\n * Listen on the given `event` with `fn`.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.on =\nEmitter.prototype.addEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\n .push(fn);\n return this;\n};\n\n/**\n * Adds an `event` listener that will be invoked a single\n * time then automatically removed.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.once = function(event, fn){\n function on() {\n this.off(event, on);\n fn.apply(this, arguments);\n }\n\n on.fn = fn;\n this.on(event, on);\n return this;\n};\n\n/**\n * Remove the given callback for `event` or all\n * registered callbacks.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.off =\nEmitter.prototype.removeListener =\nEmitter.prototype.removeAllListeners =\nEmitter.prototype.removeEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n\n // all\n if (0 == arguments.length) {\n this._callbacks = {};\n return this;\n }\n\n // specific event\n var callbacks = this._callbacks['$' + event];\n if (!callbacks) return this;\n\n // remove all handlers\n if (1 == arguments.length) {\n delete this._callbacks['$' + event];\n return this;\n }\n\n // remove specific handler\n var cb;\n for (var i = 0; i < callbacks.length; i++) {\n cb = callbacks[i];\n if (cb === fn || cb.fn === fn) {\n callbacks.splice(i, 1);\n break;\n }\n }\n\n // Remove event specific arrays for event types that no\n // one is subscribed for to avoid memory leak.\n if (callbacks.length === 0) {\n delete this._callbacks['$' + event];\n }\n\n return this;\n};\n\n/**\n * Emit `event` with the given args.\n *\n * @param {String} event\n * @param {Mixed} ...\n * @return {Emitter}\n */\n\nEmitter.prototype.emit = function(event){\n this._callbacks = this._callbacks || {};\n\n var args = new Array(arguments.length - 1)\n , callbacks = this._callbacks['$' + event];\n\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n\n if (callbacks) {\n callbacks = callbacks.slice(0);\n for (var i = 0, len = callbacks.length; i < len; ++i) {\n callbacks[i].apply(this, args);\n }\n }\n\n return this;\n};\n\n// alias used for reserved events (protected method)\nEmitter.prototype.emitReserved = Emitter.prototype.emit;\n\n/**\n * Return array of callbacks for `event`.\n *\n * @param {String} event\n * @return {Array}\n * @api public\n */\n\nEmitter.prototype.listeners = function(event){\n this._callbacks = this._callbacks || {};\n return this._callbacks['$' + event] || [];\n};\n\n/**\n * Check if this emitter has `event` handlers.\n *\n * @param {String} event\n * @return {Boolean}\n * @api public\n */\n\nEmitter.prototype.hasListeners = function(event){\n return !! this.listeners(event).length;\n};\n","export const globalThisShim = (() => {\n if (typeof self !== \"undefined\") {\n return self;\n }\n else if (typeof window !== \"undefined\") {\n return window;\n }\n else {\n return Function(\"return this\")();\n }\n})();\n","import { globalThisShim as globalThis } from \"./globalThis.js\";\nexport function pick(obj, ...attr) {\n return attr.reduce((acc, k) => {\n if (obj.hasOwnProperty(k)) {\n acc[k] = obj[k];\n }\n return acc;\n }, {});\n}\n// Keep a reference to the real timeout functions so they can be used when overridden\nconst NATIVE_SET_TIMEOUT = globalThis.setTimeout;\nconst NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout;\nexport function installTimerFunctions(obj, opts) {\n if (opts.useNativeTimers) {\n obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis);\n obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis);\n }\n else {\n obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis);\n obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis);\n }\n}\n// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64)\nconst BASE64_OVERHEAD = 1.33;\n// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9\nexport function byteLength(obj) {\n if (typeof obj === \"string\") {\n return utf8Length(obj);\n }\n // arraybuffer or blob\n return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD);\n}\nfunction utf8Length(str) {\n let c = 0, length = 0;\n for (let i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n length += 1;\n }\n else if (c < 0x800) {\n length += 2;\n }\n else if (c < 0xd800 || c >= 0xe000) {\n length += 3;\n }\n else {\n i++;\n length += 4;\n }\n }\n return length;\n}\n","// imported from https://github.com/galkn/querystring\n/**\n * Compiles a querystring\n * Returns string representation of the object\n *\n * @param {Object}\n * @api private\n */\nexport function encode(obj) {\n let str = '';\n for (let i in obj) {\n if (obj.hasOwnProperty(i)) {\n if (str.length)\n str += '&';\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\n }\n }\n return str;\n}\n/**\n * Parses a simple querystring into an object\n *\n * @param {String} qs\n * @api private\n */\nexport function decode(qs) {\n let qry = {};\n let pairs = qs.split('&');\n for (let i = 0, l = pairs.length; i < l; i++) {\n let pair = pairs[i].split('=');\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n }\n return qry;\n}\n","// imported from https://github.com/unshiftio/yeast\n'use strict';\nconst alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {};\nlet seed = 0, i = 0, prev;\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nexport function encode(num) {\n let encoded = '';\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n return encoded;\n}\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nexport function decode(str) {\n let decoded = 0;\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n return decoded;\n}\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nexport function yeast() {\n const now = encode(+new Date());\n if (now !== prev)\n return seed = 0, prev = now;\n return now + '.' + encode(seed++);\n}\n//\n// Map each character to its index.\n//\nfor (; i < length; i++)\n map[alphabet[i]] = i;\n","import { decodePacket } from \"engine.io-parser\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions } from \"./util.js\";\nimport { encode } from \"./contrib/parseqs.js\";\nexport class TransportError extends Error {\n constructor(reason, description, context) {\n super(reason);\n this.description = description;\n this.context = context;\n this.type = \"TransportError\";\n }\n}\nexport class Transport extends Emitter {\n /**\n * Transport abstract constructor.\n *\n * @param {Object} opts - options\n * @protected\n */\n constructor(opts) {\n super();\n this.writable = false;\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.query = opts.query;\n this.socket = opts.socket;\n }\n /**\n * Emits an error.\n *\n * @param {String} reason\n * @param description\n * @param context - the error context\n * @return {Transport} for chaining\n * @protected\n */\n onError(reason, description, context) {\n super.emitReserved(\"error\", new TransportError(reason, description, context));\n return this;\n }\n /**\n * Opens the transport.\n */\n open() {\n this.readyState = \"opening\";\n this.doOpen();\n return this;\n }\n /**\n * Closes the transport.\n */\n close() {\n if (this.readyState === \"opening\" || this.readyState === \"open\") {\n this.doClose();\n this.onClose();\n }\n return this;\n }\n /**\n * Sends multiple packets.\n *\n * @param {Array} packets\n */\n send(packets) {\n if (this.readyState === \"open\") {\n this.write(packets);\n }\n else {\n // this might happen if the transport was silently closed in the beforeunload event handler\n }\n }\n /**\n * Called upon open\n *\n * @protected\n */\n onOpen() {\n this.readyState = \"open\";\n this.writable = true;\n super.emitReserved(\"open\");\n }\n /**\n * Called with data.\n *\n * @param {String} data\n * @protected\n */\n onData(data) {\n const packet = decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n }\n /**\n * Called with a decoded packet.\n *\n * @protected\n */\n onPacket(packet) {\n super.emitReserved(\"packet\", packet);\n }\n /**\n * Called upon close.\n *\n * @protected\n */\n onClose(details) {\n this.readyState = \"closed\";\n super.emitReserved(\"close\", details);\n }\n /**\n * Pauses the transport, in order not to lose packets during an upgrade.\n *\n * @param onPause\n */\n pause(onPause) { }\n createUri(schema, query = {}) {\n return (schema +\n \"://\" +\n this._hostname() +\n this._port() +\n this.opts.path +\n this._query(query));\n }\n _hostname() {\n const hostname = this.opts.hostname;\n return hostname.indexOf(\":\") === -1 ? hostname : \"[\" + hostname + \"]\";\n }\n _port() {\n if (this.opts.port &&\n ((this.opts.secure && Number(this.opts.port !== 443)) ||\n (!this.opts.secure && Number(this.opts.port) !== 80))) {\n return \":\" + this.opts.port;\n }\n else {\n return \"\";\n }\n }\n _query(query) {\n const encodedQuery = encode(query);\n return encodedQuery.length ? \"?\" + encodedQuery : \"\";\n }\n}\n","// imported from https://github.com/component/has-cors\nlet value = false;\ntry {\n value = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n}\ncatch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n}\nexport const hasCORS = value;\n","// browser shim for xmlhttprequest module\nimport { hasCORS } from \"../contrib/has-cors.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nexport function XHR(opts) {\n const xdomain = opts.xdomain;\n // XMLHttpRequest can be disabled on IE\n try {\n if (\"undefined\" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n }\n catch (e) { }\n if (!xdomain) {\n try {\n return new globalThis[[\"Active\"].concat(\"Object\").join(\"X\")](\"Microsoft.XMLHTTP\");\n }\n catch (e) { }\n }\n}\nexport function createCookieJar() { }\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { encodePayload, decodePayload } from \"engine.io-parser\";\nimport { createCookieJar, XHR as XMLHttpRequest, } from \"./xmlhttprequest.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions, pick } from \"../util.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nfunction empty() { }\nconst hasXHR2 = (function () {\n const xhr = new XMLHttpRequest({\n xdomain: false,\n });\n return null != xhr.responseType;\n})();\nexport class Polling extends Transport {\n /**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @package\n */\n constructor(opts) {\n super(opts);\n this.polling = false;\n if (typeof location !== \"undefined\") {\n const isSSL = \"https:\" === location.protocol;\n let port = location.port;\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? \"443\" : \"80\";\n }\n this.xd =\n (typeof location !== \"undefined\" &&\n opts.hostname !== location.hostname) ||\n port !== opts.port;\n }\n /**\n * XHR supports binary\n */\n const forceBase64 = opts && opts.forceBase64;\n this.supportsBinary = hasXHR2 && !forceBase64;\n if (this.opts.withCredentials) {\n this.cookieJar = createCookieJar();\n }\n }\n get name() {\n return \"polling\";\n }\n /**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @protected\n */\n doOpen() {\n this.poll();\n }\n /**\n * Pauses polling.\n *\n * @param {Function} onPause - callback upon buffers are flushed and transport is paused\n * @package\n */\n pause(onPause) {\n this.readyState = \"pausing\";\n const pause = () => {\n this.readyState = \"paused\";\n onPause();\n };\n if (this.polling || !this.writable) {\n let total = 0;\n if (this.polling) {\n total++;\n this.once(\"pollComplete\", function () {\n --total || pause();\n });\n }\n if (!this.writable) {\n total++;\n this.once(\"drain\", function () {\n --total || pause();\n });\n }\n }\n else {\n pause();\n }\n }\n /**\n * Starts polling cycle.\n *\n * @private\n */\n poll() {\n this.polling = true;\n this.doPoll();\n this.emitReserved(\"poll\");\n }\n /**\n * Overloads onData to detect payloads.\n *\n * @protected\n */\n onData(data) {\n const callback = (packet) => {\n // if its the first message we consider the transport open\n if (\"opening\" === this.readyState && packet.type === \"open\") {\n this.onOpen();\n }\n // if its a close packet, we close the ongoing requests\n if (\"close\" === packet.type) {\n this.onClose({ description: \"transport closed by the server\" });\n return false;\n }\n // otherwise bypass onData and handle the message\n this.onPacket(packet);\n };\n // decode payload\n decodePayload(data, this.socket.binaryType).forEach(callback);\n // if an event did not trigger closing\n if (\"closed\" !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emitReserved(\"pollComplete\");\n if (\"open\" === this.readyState) {\n this.poll();\n }\n else {\n }\n }\n }\n /**\n * For polling, send a close packet.\n *\n * @protected\n */\n doClose() {\n const close = () => {\n this.write([{ type: \"close\" }]);\n };\n if (\"open\" === this.readyState) {\n close();\n }\n else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n this.once(\"open\", close);\n }\n }\n /**\n * Writes a packets payload.\n *\n * @param {Array} packets - data packets\n * @protected\n */\n write(packets) {\n this.writable = false;\n encodePayload(packets, (data) => {\n this.doWrite(data, () => {\n this.writable = true;\n this.emitReserved(\"drain\");\n });\n });\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"https\" : \"http\";\n const query = this.query || {};\n // cache busting is forced\n if (false !== this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Creates a request.\n *\n * @param {String} method\n * @private\n */\n request(opts = {}) {\n Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts);\n return new Request(this.uri(), opts);\n }\n /**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @private\n */\n doWrite(data, fn) {\n const req = this.request({\n method: \"POST\",\n data: data,\n });\n req.on(\"success\", fn);\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr post error\", xhrStatus, context);\n });\n }\n /**\n * Starts a poll cycle.\n *\n * @private\n */\n doPoll() {\n const req = this.request();\n req.on(\"data\", this.onData.bind(this));\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr poll error\", xhrStatus, context);\n });\n this.pollXhr = req;\n }\n}\nexport class Request extends Emitter {\n /**\n * Request constructor\n *\n * @param {Object} options\n * @package\n */\n constructor(uri, opts) {\n super();\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.method = opts.method || \"GET\";\n this.uri = uri;\n this.data = undefined !== opts.data ? opts.data : null;\n this.create();\n }\n /**\n * Creates the XHR object and sends the request.\n *\n * @private\n */\n create() {\n var _a;\n const opts = pick(this.opts, \"agent\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"autoUnref\");\n opts.xdomain = !!this.opts.xd;\n const xhr = (this.xhr = new XMLHttpRequest(opts));\n try {\n xhr.open(this.method, this.uri, true);\n try {\n if (this.opts.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (let i in this.opts.extraHeaders) {\n if (this.opts.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.opts.extraHeaders[i]);\n }\n }\n }\n }\n catch (e) { }\n if (\"POST\" === this.method) {\n try {\n xhr.setRequestHeader(\"Content-type\", \"text/plain;charset=UTF-8\");\n }\n catch (e) { }\n }\n try {\n xhr.setRequestHeader(\"Accept\", \"*/*\");\n }\n catch (e) { }\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr);\n // ie6 check\n if (\"withCredentials\" in xhr) {\n xhr.withCredentials = this.opts.withCredentials;\n }\n if (this.opts.requestTimeout) {\n xhr.timeout = this.opts.requestTimeout;\n }\n xhr.onreadystatechange = () => {\n var _a;\n if (xhr.readyState === 3) {\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr);\n }\n if (4 !== xhr.readyState)\n return;\n if (200 === xhr.status || 1223 === xhr.status) {\n this.onLoad();\n }\n else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n this.setTimeoutFn(() => {\n this.onError(typeof xhr.status === \"number\" ? xhr.status : 0);\n }, 0);\n }\n };\n xhr.send(this.data);\n }\n catch (e) {\n // Need to defer since .create() is called directly from the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n this.setTimeoutFn(() => {\n this.onError(e);\n }, 0);\n return;\n }\n if (typeof document !== \"undefined\") {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n }\n /**\n * Called upon error.\n *\n * @private\n */\n onError(err) {\n this.emitReserved(\"error\", err, this.xhr);\n this.cleanup(true);\n }\n /**\n * Cleans up house.\n *\n * @private\n */\n cleanup(fromError) {\n if (\"undefined\" === typeof this.xhr || null === this.xhr) {\n return;\n }\n this.xhr.onreadystatechange = empty;\n if (fromError) {\n try {\n this.xhr.abort();\n }\n catch (e) { }\n }\n if (typeof document !== \"undefined\") {\n delete Request.requests[this.index];\n }\n this.xhr = null;\n }\n /**\n * Called upon load.\n *\n * @private\n */\n onLoad() {\n const data = this.xhr.responseText;\n if (data !== null) {\n this.emitReserved(\"data\", data);\n this.emitReserved(\"success\");\n this.cleanup();\n }\n }\n /**\n * Aborts the request.\n *\n * @package\n */\n abort() {\n this.cleanup();\n }\n}\nRequest.requestsCount = 0;\nRequest.requests = {};\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\nif (typeof document !== \"undefined\") {\n // @ts-ignore\n if (typeof attachEvent === \"function\") {\n // @ts-ignore\n attachEvent(\"onunload\", unloadHandler);\n }\n else if (typeof addEventListener === \"function\") {\n const terminationEvent = \"onpagehide\" in globalThis ? \"pagehide\" : \"unload\";\n addEventListener(terminationEvent, unloadHandler, false);\n }\n}\nfunction unloadHandler() {\n for (let i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n","import { globalThisShim as globalThis } from \"../globalThis.js\";\nexport const nextTick = (() => {\n const isPromiseAvailable = typeof Promise === \"function\" && typeof Promise.resolve === \"function\";\n if (isPromiseAvailable) {\n return (cb) => Promise.resolve().then(cb);\n }\n else {\n return (cb, setTimeoutFn) => setTimeoutFn(cb, 0);\n }\n})();\nexport const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket;\nexport const usingBrowserWebSocket = true;\nexport const defaultBinaryType = \"arraybuffer\";\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { pick } from \"../util.js\";\nimport { nextTick, usingBrowserWebSocket, WebSocket, } from \"./websocket-constructor.js\";\nimport { encodePacket } from \"engine.io-parser\";\n// detect ReactNative environment\nconst isReactNative = typeof navigator !== \"undefined\" &&\n typeof navigator.product === \"string\" &&\n navigator.product.toLowerCase() === \"reactnative\";\nexport class WS extends Transport {\n /**\n * WebSocket transport constructor.\n *\n * @param {Object} opts - connection options\n * @protected\n */\n constructor(opts) {\n super(opts);\n this.supportsBinary = !opts.forceBase64;\n }\n get name() {\n return \"websocket\";\n }\n doOpen() {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n const uri = this.uri();\n const protocols = this.opts.protocols;\n // React Native only supports the 'headers' option, and will print a warning if anything else is passed\n const opts = isReactNative\n ? {}\n : pick(this.opts, \"agent\", \"perMessageDeflate\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"localAddress\", \"protocolVersion\", \"origin\", \"maxPayload\", \"family\", \"checkServerIdentity\");\n if (this.opts.extraHeaders) {\n opts.headers = this.opts.extraHeaders;\n }\n try {\n this.ws =\n usingBrowserWebSocket && !isReactNative\n ? protocols\n ? new WebSocket(uri, protocols)\n : new WebSocket(uri)\n : new WebSocket(uri, protocols, opts);\n }\n catch (err) {\n return this.emitReserved(\"error\", err);\n }\n this.ws.binaryType = this.socket.binaryType;\n this.addEventListeners();\n }\n /**\n * Adds event listeners to the socket\n *\n * @private\n */\n addEventListeners() {\n this.ws.onopen = () => {\n if (this.opts.autoUnref) {\n this.ws._socket.unref();\n }\n this.onOpen();\n };\n this.ws.onclose = (closeEvent) => this.onClose({\n description: \"websocket connection closed\",\n context: closeEvent,\n });\n this.ws.onmessage = (ev) => this.onData(ev.data);\n this.ws.onerror = (e) => this.onError(\"websocket error\", e);\n }\n write(packets) {\n this.writable = false;\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n encodePacket(packet, this.supportsBinary, (data) => {\n // always create a new object (GH-437)\n const opts = {};\n if (!usingBrowserWebSocket) {\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n if (this.opts.perMessageDeflate) {\n const len = \n // @ts-ignore\n \"string\" === typeof data ? Buffer.byteLength(data) : data.length;\n if (len < this.opts.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n this.ws.send(data);\n }\n else {\n this.ws.send(data, opts);\n }\n }\n catch (e) {\n }\n if (lastPacket) {\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n if (typeof this.ws !== \"undefined\") {\n this.ws.close();\n this.ws = null;\n }\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"wss\" : \"ws\";\n const query = this.query || {};\n // append timestamp to URI\n if (this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @private\n */\n check() {\n return !!WebSocket;\n }\n}\n","import { Transport } from \"../transport.js\";\nimport { nextTick } from \"./websocket-constructor.js\";\nimport { createPacketDecoderStream, createPacketEncoderStream, } from \"engine.io-parser\";\nexport class WT extends Transport {\n get name() {\n return \"webtransport\";\n }\n doOpen() {\n // @ts-ignore\n if (typeof WebTransport !== \"function\") {\n return;\n }\n // @ts-ignore\n this.transport = new WebTransport(this.createUri(\"https\"), this.opts.transportOptions[this.name]);\n this.transport.closed\n .then(() => {\n this.onClose();\n })\n .catch((err) => {\n this.onError(\"webtransport error\", err);\n });\n // note: we could have used async/await, but that would require some additional polyfills\n this.transport.ready.then(() => {\n this.transport.createBidirectionalStream().then((stream) => {\n const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType);\n const reader = stream.readable.pipeThrough(decoderStream).getReader();\n const encoderStream = createPacketEncoderStream();\n encoderStream.readable.pipeTo(stream.writable);\n this.writer = encoderStream.writable.getWriter();\n const read = () => {\n reader\n .read()\n .then(({ done, value }) => {\n if (done) {\n return;\n }\n this.onPacket(value);\n read();\n })\n .catch((err) => {\n });\n };\n read();\n const packet = { type: \"open\" };\n if (this.query.sid) {\n packet.data = `{\"sid\":\"${this.query.sid}\"}`;\n }\n this.writer.write(packet).then(() => this.onOpen());\n });\n });\n }\n write(packets) {\n this.writable = false;\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n this.writer.write(packet).then(() => {\n if (lastPacket) {\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n var _a;\n (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close();\n }\n}\n","import { Polling } from \"./polling.js\";\nimport { WS } from \"./websocket.js\";\nimport { WT } from \"./webtransport.js\";\nexport const transports = {\n websocket: WS,\n webtransport: WT,\n polling: Polling,\n};\n","// imported from https://github.com/galkn/parseuri\n/**\n * Parses a URI\n *\n * Note: we could also have used the built-in URL object, but it isn't supported on all platforms.\n *\n * See:\n * - https://developer.mozilla.org/en-US/docs/Web/API/URL\n * - https://caniuse.com/url\n * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B\n *\n * History of the parse() method:\n * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c\n * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3\n * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242\n *\n * @author Steven Levithan (MIT license)\n * @api private\n */\nconst re = /^(?:(?![^:@\\/?#]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@\\/?#]*)(?::([^:@\\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\nconst parts = [\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\n];\nexport function parse(str) {\n if (str.length > 2000) {\n throw \"URI too long\";\n }\n const src = str, b = str.indexOf('['), e = str.indexOf(']');\n if (b != -1 && e != -1) {\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\n }\n let m = re.exec(str || ''), uri = {}, i = 14;\n while (i--) {\n uri[parts[i]] = m[i] || '';\n }\n if (b != -1 && e != -1) {\n uri.source = src;\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\n uri.ipv6uri = true;\n }\n uri.pathNames = pathNames(uri, uri['path']);\n uri.queryKey = queryKey(uri, uri['query']);\n return uri;\n}\nfunction pathNames(obj, path) {\n const regx = /\\/{2,9}/g, names = path.replace(regx, \"/\").split(\"/\");\n if (path.slice(0, 1) == '/' || path.length === 0) {\n names.splice(0, 1);\n }\n if (path.slice(-1) == '/') {\n names.splice(names.length - 1, 1);\n }\n return names;\n}\nfunction queryKey(uri, query) {\n const data = {};\n query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {\n if ($1) {\n data[$1] = $2;\n }\n });\n return data;\n}\n","import { transports } from \"./transports/index.js\";\nimport { installTimerFunctions, byteLength } from \"./util.js\";\nimport { decode } from \"./contrib/parseqs.js\";\nimport { parse } from \"./contrib/parseuri.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { protocol } from \"engine.io-parser\";\nimport { defaultBinaryType } from \"./transports/websocket-constructor.js\";\nexport class Socket extends Emitter {\n /**\n * Socket constructor.\n *\n * @param {String|Object} uri - uri or options\n * @param {Object} opts - options\n */\n constructor(uri, opts = {}) {\n super();\n this.binaryType = defaultBinaryType;\n this.writeBuffer = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = null;\n }\n if (uri) {\n uri = parse(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === \"https\" || uri.protocol === \"wss\";\n opts.port = uri.port;\n if (uri.query)\n opts.query = uri.query;\n }\n else if (opts.host) {\n opts.hostname = parse(opts.host).host;\n }\n installTimerFunctions(this, opts);\n this.secure =\n null != opts.secure\n ? opts.secure\n : typeof location !== \"undefined\" && \"https:\" === location.protocol;\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? \"443\" : \"80\";\n }\n this.hostname =\n opts.hostname ||\n (typeof location !== \"undefined\" ? location.hostname : \"localhost\");\n this.port =\n opts.port ||\n (typeof location !== \"undefined\" && location.port\n ? location.port\n : this.secure\n ? \"443\"\n : \"80\");\n this.transports = opts.transports || [\n \"polling\",\n \"websocket\",\n \"webtransport\",\n ];\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.opts = Object.assign({\n path: \"/engine.io\",\n agent: false,\n withCredentials: false,\n upgrade: true,\n timestampParam: \"t\",\n rememberUpgrade: false,\n addTrailingSlash: true,\n rejectUnauthorized: true,\n perMessageDeflate: {\n threshold: 1024,\n },\n transportOptions: {},\n closeOnBeforeunload: false,\n }, opts);\n this.opts.path =\n this.opts.path.replace(/\\/$/, \"\") +\n (this.opts.addTrailingSlash ? \"/\" : \"\");\n if (typeof this.opts.query === \"string\") {\n this.opts.query = decode(this.opts.query);\n }\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n // set on heartbeat\n this.pingTimeoutTimer = null;\n if (typeof addEventListener === \"function\") {\n if (this.opts.closeOnBeforeunload) {\n // Firefox closes the connection when the \"beforeunload\" event is emitted but not Chrome. This event listener\n // ensures every browser behaves the same (no \"disconnect\" event at the Socket.IO level when the page is\n // closed/reloaded)\n this.beforeunloadEventListener = () => {\n if (this.transport) {\n // silently close the transport\n this.transport.removeAllListeners();\n this.transport.close();\n }\n };\n addEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n }\n if (this.hostname !== \"localhost\") {\n this.offlineEventListener = () => {\n this.onClose(\"transport close\", {\n description: \"network connection lost\",\n });\n };\n addEventListener(\"offline\", this.offlineEventListener, false);\n }\n }\n this.open();\n }\n /**\n * Creates transport of the given type.\n *\n * @param {String} name - transport name\n * @return {Transport}\n * @private\n */\n createTransport(name) {\n const query = Object.assign({}, this.opts.query);\n // append engine.io protocol identifier\n query.EIO = protocol;\n // transport name\n query.transport = name;\n // session id if we already have one\n if (this.id)\n query.sid = this.id;\n const opts = Object.assign({}, this.opts, {\n query,\n socket: this,\n hostname: this.hostname,\n secure: this.secure,\n port: this.port,\n }, this.opts.transportOptions[name]);\n return new transports[name](opts);\n }\n /**\n * Initializes transport to use and starts probe.\n *\n * @private\n */\n open() {\n let transport;\n if (this.opts.rememberUpgrade &&\n Socket.priorWebsocketSuccess &&\n this.transports.indexOf(\"websocket\") !== -1) {\n transport = \"websocket\";\n }\n else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n this.setTimeoutFn(() => {\n this.emitReserved(\"error\", \"No transports available\");\n }, 0);\n return;\n }\n else {\n transport = this.transports[0];\n }\n this.readyState = \"opening\";\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n }\n catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n transport.open();\n this.setTransport(transport);\n }\n /**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @private\n */\n setTransport(transport) {\n if (this.transport) {\n this.transport.removeAllListeners();\n }\n // set up transport\n this.transport = transport;\n // set up transport listeners\n transport\n .on(\"drain\", this.onDrain.bind(this))\n .on(\"packet\", this.onPacket.bind(this))\n .on(\"error\", this.onError.bind(this))\n .on(\"close\", (reason) => this.onClose(\"transport close\", reason));\n }\n /**\n * Probes a transport.\n *\n * @param {String} name - transport name\n * @private\n */\n probe(name) {\n let transport = this.createTransport(name);\n let failed = false;\n Socket.priorWebsocketSuccess = false;\n const onTransportOpen = () => {\n if (failed)\n return;\n transport.send([{ type: \"ping\", data: \"probe\" }]);\n transport.once(\"packet\", (msg) => {\n if (failed)\n return;\n if (\"pong\" === msg.type && \"probe\" === msg.data) {\n this.upgrading = true;\n this.emitReserved(\"upgrading\", transport);\n if (!transport)\n return;\n Socket.priorWebsocketSuccess = \"websocket\" === transport.name;\n this.transport.pause(() => {\n if (failed)\n return;\n if (\"closed\" === this.readyState)\n return;\n cleanup();\n this.setTransport(transport);\n transport.send([{ type: \"upgrade\" }]);\n this.emitReserved(\"upgrade\", transport);\n transport = null;\n this.upgrading = false;\n this.flush();\n });\n }\n else {\n const err = new Error(\"probe error\");\n // @ts-ignore\n err.transport = transport.name;\n this.emitReserved(\"upgradeError\", err);\n }\n });\n };\n function freezeTransport() {\n if (failed)\n return;\n // Any callback called by transport should be ignored since now\n failed = true;\n cleanup();\n transport.close();\n transport = null;\n }\n // Handle any error that happens while probing\n const onerror = (err) => {\n const error = new Error(\"probe error: \" + err);\n // @ts-ignore\n error.transport = transport.name;\n freezeTransport();\n this.emitReserved(\"upgradeError\", error);\n };\n function onTransportClose() {\n onerror(\"transport closed\");\n }\n // When the socket is closed while we're probing\n function onclose() {\n onerror(\"socket closed\");\n }\n // When the socket is upgraded while we're probing\n function onupgrade(to) {\n if (transport && to.name !== transport.name) {\n freezeTransport();\n }\n }\n // Remove all listeners on the transport and on self\n const cleanup = () => {\n transport.removeListener(\"open\", onTransportOpen);\n transport.removeListener(\"error\", onerror);\n transport.removeListener(\"close\", onTransportClose);\n this.off(\"close\", onclose);\n this.off(\"upgrading\", onupgrade);\n };\n transport.once(\"open\", onTransportOpen);\n transport.once(\"error\", onerror);\n transport.once(\"close\", onTransportClose);\n this.once(\"close\", onclose);\n this.once(\"upgrading\", onupgrade);\n if (this.upgrades.indexOf(\"webtransport\") !== -1 &&\n name !== \"webtransport\") {\n // favor WebTransport\n this.setTimeoutFn(() => {\n if (!failed) {\n transport.open();\n }\n }, 200);\n }\n else {\n transport.open();\n }\n }\n /**\n * Called when connection is deemed open.\n *\n * @private\n */\n onOpen() {\n this.readyState = \"open\";\n Socket.priorWebsocketSuccess = \"websocket\" === this.transport.name;\n this.emitReserved(\"open\");\n this.flush();\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if (\"open\" === this.readyState && this.opts.upgrade) {\n let i = 0;\n const l = this.upgrades.length;\n for (; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n }\n /**\n * Handles a packet.\n *\n * @private\n */\n onPacket(packet) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n this.emitReserved(\"packet\", packet);\n // Socket is live - any packet counts\n this.emitReserved(\"heartbeat\");\n this.resetPingTimeout();\n switch (packet.type) {\n case \"open\":\n this.onHandshake(JSON.parse(packet.data));\n break;\n case \"ping\":\n this.sendPacket(\"pong\");\n this.emitReserved(\"ping\");\n this.emitReserved(\"pong\");\n break;\n case \"error\":\n const err = new Error(\"server error\");\n // @ts-ignore\n err.code = packet.data;\n this.onError(err);\n break;\n case \"message\":\n this.emitReserved(\"data\", packet.data);\n this.emitReserved(\"message\", packet.data);\n break;\n }\n }\n else {\n }\n }\n /**\n * Called upon handshake completion.\n *\n * @param {Object} data - handshake obj\n * @private\n */\n onHandshake(data) {\n this.emitReserved(\"handshake\", data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.maxPayload = data.maxPayload;\n this.onOpen();\n // In case open handler closes socket\n if (\"closed\" === this.readyState)\n return;\n this.resetPingTimeout();\n }\n /**\n * Sets and resets ping timeout timer based on 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\ No newline at end of file diff --git a/examples/axum-echo/node_modules/engine.io-client/package.json b/examples/axum-echo/node_modules/engine.io-client/package.json new file mode 100644 index 00000000..f800ea91 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-client/package.json @@ -0,0 +1,120 @@ +{ + "name": "engine.io-client", + "description": "Client for the realtime Engine", + "license": "MIT", + "version": "6.5.3", + "main": "./build/cjs/index.js", + "module": "./build/esm/index.js", + "exports": { + "./package.json": "./package.json", + "./dist/engine.io.esm.min.js": "./dist/engine.io.esm.min.js", + "./dist/engine.io.js": "./dist/engine.io.js", + "./dist/engine.io.min.js": "./dist/engine.io.min.js", + ".": { + "import": { + "types": "./build/esm/index.d.ts", + "node": "./build/esm-debug/index.js", + "default": "./build/esm/index.js" + }, + "require": { + "types": "./build/cjs/index.d.ts", + "default": "./build/cjs/index.js" + } + }, + "./debug": { + "import": { + "types": "./build/esm/index.d.ts", + "default": "./build/esm-debug/index.js" + }, + "require": { + "types": "./build/cjs/index.d.ts", + "default": "./build/cjs/index.js" + } + } + }, + "types": "build/esm/index.d.ts", + "homepage": "https://github.com/socketio/engine.io-client", + "contributors": [ + { + "name": "Guillermo Rauch", + "email": "rauchg@gmail.com" + }, + { + "name": "Vladimir Dronnikov", + "email": "dronnikov@gmail.com" + }, + { + "name": "Christoph Dorn", + "web": "https://github.com/cadorn" + }, + { + "name": "Mark Mokryn", + "email": "mokesmokes@gmail.com" + } + ], + "dependencies": { + "@socket.io/component-emitter": "~3.1.0", + "debug": "~4.3.1", + "engine.io-parser": "~5.2.1", + "ws": "~8.11.0", + "xmlhttprequest-ssl": "~2.0.0" + }, + "devDependencies": { + "@babel/core": "^7.12.9", + "@babel/plugin-transform-object-assign": "^7.12.1", + "@babel/preset-env": "^7.12.7", + "@fails-components/webtransport": "^0.1.7", + "@rollup/plugin-babel": "^5.3.0", + "@rollup/plugin-commonjs": "^21.0.0", + "@rollup/plugin-node-resolve": "^13.0.5", + "@sinonjs/fake-timers": "^7.1.2", + "@types/mocha": "^9.0.0", + "@types/node": "^16.10.1", + "@types/sinonjs__fake-timers": "^6.0.3", + "babel-loader": "^8.2.2", + "blob": "0.0.5", + "engine.io": "^6.5.2-alpha.1", + "expect.js": "^0.3.1", + "express": "^4.17.1", + "mocha": "^10.2.0", + "node-forge": "^1.3.1", + "prettier": "^2.8.1", + "rollup": "^2.58.0", + "rollup-plugin-terser": "^7.0.2", + "socket.io-browsers": "~1.0.4", + "typescript": "^4.9.5", + "webpack": "^4.44.2", + "webpack-cli": "^3.3.12", + "webpack-remove-debug": "^0.1.0", + "zuul": "~3.11.1", + "zuul-builder-webpack": "^1.2.0", + "zuul-ngrok": "4.0.0" + }, + "scripts": { + "compile": "rimraf ./build && tsc && tsc -p tsconfig.esm.json && ./postcompile.sh", + "test": "npm run format:check && npm run compile && if test \"$BROWSERS\" = \"1\" ; then npm run test:browser; else npm run test:node; fi", + "test:node": "mocha --bail --require test/support/hooks.js test/index.js test/webtransport.mjs", + "test:browser": "zuul test/index.js", + "build": "rollup -c support/rollup.config.umd.js && rollup -c support/rollup.config.esm.js", + "format:check": "prettier --check 'lib/**/*.ts' 'test/**/*.js' 'test/webtransport.mjs' 'support/**/*.js'", + "format:fix": "prettier --write 'lib/**/*.ts' 'test/**/*.js' 'test/webtransport.mjs' 'support/**/*.js'", + "prepack": "npm run compile" + }, + "browser": { + "./test/node.js": false, + "./build/esm/transports/xmlhttprequest.js": "./build/esm/transports/xmlhttprequest.browser.js", + "./build/esm/transports/websocket-constructor.js": "./build/esm/transports/websocket-constructor.browser.js", + "./build/esm/globalThis.js": "./build/esm/globalThis.browser.js", + "./build/cjs/transports/xmlhttprequest.js": "./build/cjs/transports/xmlhttprequest.browser.js", + "./build/cjs/transports/websocket-constructor.js": "./build/cjs/transports/websocket-constructor.browser.js", + "./build/cjs/globalThis.js": "./build/cjs/globalThis.browser.js" + }, + "repository": { + "type": "git", + "url": "https://github.com/socketio/engine.io-client.git" + }, + "files": [ + "build/", + "dist/" + ] +} diff --git a/examples/axum-echo/node_modules/engine.io-parser/LICENSE b/examples/axum-echo/node_modules/engine.io-parser/LICENSE new file mode 100644 index 00000000..d8fdaec3 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/LICENSE @@ -0,0 +1,22 @@ +(The MIT License) + +Copyright (c) 2016 Guillermo Rauch (@rauchg) + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +'Software'), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. \ No newline at end of file diff --git a/examples/axum-echo/node_modules/engine.io-parser/Readme.md b/examples/axum-echo/node_modules/engine.io-parser/Readme.md new file mode 100644 index 00000000..b1096503 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/Readme.md @@ -0,0 +1,158 @@ + +# engine.io-parser + +[![Build Status](https://github.com/socketio/engine.io-parser/workflows/CI/badge.svg?branch=main)](https://github.com/socketio/engine.io-parser/actions) +[![NPM version](https://badge.fury.io/js/engine.io-parser.svg)](https://npmjs.com/package/engine.io-parser) + +This is the JavaScript parser for the engine.io protocol encoding, +shared by both +[engine.io-client](https://github.com/socketio/engine.io-client) and +[engine.io](https://github.com/socketio/engine.io). + +## How to use + +### Standalone + +The parser can encode/decode packets, payloads, and payloads as binary +with the following methods: `encodePacket`, `decodePacket`, `encodePayload`, +`decodePayload`. + +Example: + +```js +const parser = require("engine.io-parser"); +const data = Buffer.from([ 1, 2, 3, 4 ]); + +parser.encodePacket({ type: "message", data }, encoded => { + const decodedData = parser.decodePacket(encoded); // decodedData === data +}); +``` + +### With browserify + +Engine.IO Parser is a commonjs module, which means you can include it by using +`require` on the browser and package using [browserify](http://browserify.org/): + +1. install the parser package + + ```shell + npm install engine.io-parser + ``` + +1. write your app code + + ```js + const parser = require("engine.io-parser"); + + const testBuffer = new Int8Array(10); + for (let i = 0; i < testBuffer.length; i++) testBuffer[i] = i; + + const packets = [{ type: "message", data: testBuffer.buffer }, { type: "message", data: "hello" }]; + + parser.encodePayload(packets, encoded => { + parser.decodePayload(encoded, + (packet, index, total) => { + const isLast = index + 1 == total; + if (!isLast) { + const buffer = new Int8Array(packet.data); // testBuffer + } else { + const message = packet.data; // "hello" + } + }); + }); + ``` + +1. build your app bundle + + ```bash + $ browserify app.js > bundle.js + ``` + +1. include on your page + + ```html + + ``` + +## Features + +- Runs on browser and node.js seamlessly +- Runs inside HTML5 WebWorker +- Can encode and decode packets + - Encodes from/to ArrayBuffer or Blob when in browser, and Buffer or ArrayBuffer in Node + +## API + +Note: `cb(type)` means the type is a callback function that contains a parameter of type `type` when called. + +### Node + +- `encodePacket` + - Encodes a packet. + - **Parameters** + - `Object`: the packet to encode, has `type` and `data`. + - `data`: can be a `String`, `Number`, `Buffer`, `ArrayBuffer` + - `Boolean`: binary support + - `Function`: callback, returns the encoded packet (`cb(String)`) +- `decodePacket` + - Decodes a packet. Data also available as an ArrayBuffer if requested. + - Returns data as `String` or (`Blob` on browser, `ArrayBuffer` on Node) + - **Parameters** + - `String` | `ArrayBuffer`: the packet to decode, has `type` and `data` + - `String`: optional, the binary type + +- `encodePayload` + - Encodes multiple messages (payload). + - If any contents are binary, they will be encoded as base64 strings. Base64 + encoded strings are marked with a b before the length specifier + - **Parameters** + - `Array`: an array of packets + - `Function`: callback, returns the encoded payload (`cb(String)`) +- `decodePayload` + - Decodes data when a payload is maybe expected. Possible binary contents are + decoded from their base64 representation. + - **Parameters** + - `String`: the payload + - `Function`: callback, returns (cb(`Object`: packet, `Number`:packet index, `Number`:packet total)) + +## Tests + +Standalone tests can be run with `npm test` which will run the node.js tests. + +Browser tests are run using [zuul](https://github.com/defunctzombie/zuul). +(You must have zuul setup with a saucelabs account.) + +You can run the tests locally using the following command: + +``` +npm run test:browser +``` + +## Support + +The support channels for `engine.io-parser` are the same as `socket.io`: + - irc.freenode.net **#socket.io** + - [Github Discussions](https://github.com/socketio/socket.io/discussions) + - [Website](https://socket.io) + +## Development + +To contribute patches, run tests or benchmarks, make sure to clone the +repository: + +```bash +git clone git://github.com/socketio/engine.io-parser.git +``` + +Then: + +```bash +cd engine.io-parser +npm ci +``` + +See the `Tests` section above for how to run tests before submitting any patches. + +## License + +MIT diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/commons.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/commons.d.ts new file mode 100644 index 00000000..2eec1ddb --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/commons.d.ts @@ -0,0 +1,14 @@ +declare const PACKET_TYPES: any; +declare const PACKET_TYPES_REVERSE: any; +declare const ERROR_PACKET: Packet; +export { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET }; +export declare type PacketType = "open" | "close" | "ping" | "pong" | "message" | "upgrade" | "noop" | "error"; +export declare type RawData = any; +export interface Packet { + type: PacketType; + options?: { + compress: boolean; + }; + data?: RawData; +} +export declare type BinaryType = "nodebuffer" | "arraybuffer" | "blob"; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/commons.js b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/commons.js new file mode 100644 index 00000000..4a0b629c --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/commons.js @@ -0,0 +1,19 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.ERROR_PACKET = exports.PACKET_TYPES_REVERSE = exports.PACKET_TYPES = void 0; +const PACKET_TYPES = Object.create(null); // no Map = no polyfill +exports.PACKET_TYPES = PACKET_TYPES; +PACKET_TYPES["open"] = "0"; +PACKET_TYPES["close"] = "1"; +PACKET_TYPES["ping"] = "2"; +PACKET_TYPES["pong"] = "3"; +PACKET_TYPES["message"] = "4"; +PACKET_TYPES["upgrade"] = "5"; +PACKET_TYPES["noop"] = "6"; +const PACKET_TYPES_REVERSE = Object.create(null); +exports.PACKET_TYPES_REVERSE = PACKET_TYPES_REVERSE; +Object.keys(PACKET_TYPES).forEach(key => { + PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key; +}); +const ERROR_PACKET = { type: "error", data: "parser error" }; +exports.ERROR_PACKET = ERROR_PACKET; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/contrib/base64-arraybuffer.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/contrib/base64-arraybuffer.d.ts new file mode 100644 index 00000000..6e0fa6bc --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/contrib/base64-arraybuffer.d.ts @@ -0,0 +1,2 @@ +export declare const encode: (arraybuffer: ArrayBuffer) => string; +export declare const decode: (base64: string) => ArrayBuffer; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/contrib/base64-arraybuffer.js b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/contrib/base64-arraybuffer.js new file mode 100644 index 00000000..b92118e5 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/contrib/base64-arraybuffer.js @@ -0,0 +1,48 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.decode = exports.encode = void 0; +// imported from https://github.com/socketio/base64-arraybuffer +const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; +// Use a lookup table to find the index. +const lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256); +for (let i = 0; i < chars.length; i++) { + lookup[chars.charCodeAt(i)] = i; +} +const encode = (arraybuffer) => { + let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = ''; + for (i = 0; i < len; i += 3) { + base64 += chars[bytes[i] >> 2]; + base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)]; + base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)]; + base64 += chars[bytes[i + 2] & 63]; + } + if (len % 3 === 2) { + base64 = base64.substring(0, base64.length - 1) + '='; + } + else if (len % 3 === 1) { + base64 = base64.substring(0, base64.length - 2) + '=='; + } + return base64; +}; +exports.encode = encode; +const decode = (base64) => { + let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4; + if (base64[base64.length - 1] === '=') { + bufferLength--; + if (base64[base64.length - 2] === '=') { + bufferLength--; + } + } + const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer); + for (i = 0; i < len; i += 4) { + encoded1 = lookup[base64.charCodeAt(i)]; + encoded2 = lookup[base64.charCodeAt(i + 1)]; + encoded3 = lookup[base64.charCodeAt(i + 2)]; + encoded4 = lookup[base64.charCodeAt(i + 3)]; + bytes[p++] = (encoded1 << 2) | (encoded2 >> 4); + bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2); + bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63); + } + return arraybuffer; +}; +exports.decode = decode; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.browser.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.browser.d.ts new file mode 100644 index 00000000..3a38ee52 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.browser.d.ts @@ -0,0 +1,2 @@ +import { Packet, BinaryType, RawData } from "./commons.js"; +export declare const decodePacket: (encodedPacket: RawData, binaryType?: BinaryType) => Packet; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.browser.js b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.browser.js new file mode 100644 index 00000000..6e35ee86 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.browser.js @@ -0,0 +1,66 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.decodePacket = void 0; +const commons_js_1 = require("./commons.js"); +const base64_arraybuffer_js_1 = require("./contrib/base64-arraybuffer.js"); +const withNativeArrayBuffer = typeof ArrayBuffer === "function"; +const decodePacket = (encodedPacket, binaryType) => { + if (typeof encodedPacket !== "string") { + return { + type: "message", + data: mapBinary(encodedPacket, binaryType) + }; + } + const type = encodedPacket.charAt(0); + if (type === "b") { + return { + type: "message", + data: decodeBase64Packet(encodedPacket.substring(1), binaryType) + }; + } + const packetType = commons_js_1.PACKET_TYPES_REVERSE[type]; + if (!packetType) { + return commons_js_1.ERROR_PACKET; + } + return encodedPacket.length > 1 + ? { + type: commons_js_1.PACKET_TYPES_REVERSE[type], + data: encodedPacket.substring(1) + } + : { + type: commons_js_1.PACKET_TYPES_REVERSE[type] + }; +}; +exports.decodePacket = decodePacket; +const decodeBase64Packet = (data, binaryType) => { + if (withNativeArrayBuffer) { + const decoded = (0, base64_arraybuffer_js_1.decode)(data); + return mapBinary(decoded, binaryType); + } + else { + return { base64: true, data }; // fallback for old browsers + } +}; +const mapBinary = (data, binaryType) => { + switch (binaryType) { + case "blob": + if (data instanceof Blob) { + // from WebSocket + binaryType "blob" + return data; + } + else { + // from HTTP long-polling or WebTransport + return new Blob([data]); + } + case "arraybuffer": + default: + if (data instanceof ArrayBuffer) { + // from HTTP long-polling (base64) or WebSocket + binaryType "arraybuffer" + return data; + } + else { + // from WebTransport (Uint8Array) + return data.buffer; + } + } +}; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.d.ts new file mode 100644 index 00000000..3a38ee52 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.d.ts @@ -0,0 +1,2 @@ +import { Packet, BinaryType, RawData } from "./commons.js"; +export declare const decodePacket: (encodedPacket: RawData, binaryType?: BinaryType) => Packet; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.js b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.js new file mode 100644 index 00000000..71c88723 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.js @@ -0,0 +1,59 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.decodePacket = void 0; +const commons_js_1 = require("./commons.js"); +const decodePacket = (encodedPacket, binaryType) => { + if (typeof encodedPacket !== "string") { + return { + type: "message", + data: mapBinary(encodedPacket, binaryType) + }; + } + const type = encodedPacket.charAt(0); + if (type === "b") { + const buffer = Buffer.from(encodedPacket.substring(1), "base64"); + return { + type: "message", + data: mapBinary(buffer, binaryType) + }; + } + if (!commons_js_1.PACKET_TYPES_REVERSE[type]) { + return commons_js_1.ERROR_PACKET; + } + return encodedPacket.length > 1 + ? { + type: commons_js_1.PACKET_TYPES_REVERSE[type], + data: encodedPacket.substring(1) + } + : { + type: commons_js_1.PACKET_TYPES_REVERSE[type] + }; +}; +exports.decodePacket = decodePacket; +const mapBinary = (data, binaryType) => { + switch (binaryType) { + case "arraybuffer": + if (data instanceof ArrayBuffer) { + // from WebSocket & binaryType "arraybuffer" + return data; + } + else if (Buffer.isBuffer(data)) { + // from HTTP long-polling + return data.buffer.slice(data.byteOffset, data.byteOffset + data.byteLength); + } + else { + // from WebTransport (Uint8Array) + return data.buffer; + } + case "nodebuffer": + default: + if (Buffer.isBuffer(data)) { + // from HTTP long-polling or WebSocket & binaryType "nodebuffer" (default) + return data; + } + else { + // from WebTransport (Uint8Array) + return Buffer.from(data); + } + } +}; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.browser.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.browser.d.ts new file mode 100644 index 00000000..4a560004 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.browser.d.ts @@ -0,0 +1,4 @@ +import { Packet, RawData } from "./commons.js"; +declare const encodePacket: ({ type, data }: Packet, supportsBinary: boolean, callback: (encodedPacket: RawData) => void) => void; +export declare function encodePacketToBinary(packet: Packet, callback: (encodedPacket: RawData) => void): void | Promise; +export { encodePacket }; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.browser.js b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.browser.js new file mode 100644 index 00000000..ae3880a4 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.browser.js @@ -0,0 +1,75 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.encodePacket = exports.encodePacketToBinary = void 0; +const commons_js_1 = require("./commons.js"); +const withNativeBlob = typeof Blob === "function" || + (typeof Blob !== "undefined" && + Object.prototype.toString.call(Blob) === "[object BlobConstructor]"); +const withNativeArrayBuffer = typeof ArrayBuffer === "function"; +// ArrayBuffer.isView method is not defined in IE10 +const isView = obj => { + return typeof ArrayBuffer.isView === "function" + ? ArrayBuffer.isView(obj) + : obj && obj.buffer instanceof ArrayBuffer; +}; +const encodePacket = ({ type, data }, supportsBinary, callback) => { + if (withNativeBlob && data instanceof Blob) { + if (supportsBinary) { + return callback(data); + } + else { + return encodeBlobAsBase64(data, callback); + } + } + else if (withNativeArrayBuffer && + (data instanceof ArrayBuffer || isView(data))) { + if (supportsBinary) { + return callback(data); + } + else { + return encodeBlobAsBase64(new Blob([data]), callback); + } + } + // plain string + return callback(commons_js_1.PACKET_TYPES[type] + (data || "")); +}; +exports.encodePacket = encodePacket; +const encodeBlobAsBase64 = (data, callback) => { + const fileReader = new FileReader(); + fileReader.onload = function () { + const content = fileReader.result.split(",")[1]; + callback("b" + (content || "")); + }; + return fileReader.readAsDataURL(data); +}; +function toArray(data) { + if (data instanceof Uint8Array) { + return data; + } + else if (data instanceof ArrayBuffer) { + return new Uint8Array(data); + } + else { + return new Uint8Array(data.buffer, data.byteOffset, data.byteLength); + } +} +let TEXT_ENCODER; +function encodePacketToBinary(packet, callback) { + if (withNativeBlob && packet.data instanceof Blob) { + return packet.data + .arrayBuffer() + .then(toArray) + .then(callback); + } + else if (withNativeArrayBuffer && + (packet.data instanceof ArrayBuffer || isView(packet.data))) { + return callback(toArray(packet.data)); + } + encodePacket(packet, false, encoded => { + if (!TEXT_ENCODER) { + TEXT_ENCODER = new TextEncoder(); + } + callback(TEXT_ENCODER.encode(encoded)); + }); +} +exports.encodePacketToBinary = encodePacketToBinary; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.d.ts new file mode 100644 index 00000000..86aec4dc --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.d.ts @@ -0,0 +1,3 @@ +import { Packet, RawData } from "./commons.js"; +export declare const encodePacket: ({ type, data }: Packet, supportsBinary: boolean, callback: (encodedPacket: RawData) => void) => void; +export declare function encodePacketToBinary(packet: Packet, callback: (encodedPacket: RawData) => void): void; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.js b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.js new file mode 100644 index 00000000..8845952d --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.js @@ -0,0 +1,38 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.encodePacketToBinary = exports.encodePacket = void 0; +const commons_js_1 = require("./commons.js"); +const encodePacket = ({ type, data }, supportsBinary, callback) => { + if (data instanceof ArrayBuffer || ArrayBuffer.isView(data)) { + return callback(supportsBinary ? data : "b" + toBuffer(data, true).toString("base64")); + } + // plain string + return callback(commons_js_1.PACKET_TYPES[type] + (data || "")); +}; +exports.encodePacket = encodePacket; +const toBuffer = (data, forceBufferConversion) => { + if (Buffer.isBuffer(data) || + (data instanceof Uint8Array && !forceBufferConversion)) { + return data; + } + else if (data instanceof ArrayBuffer) { + return Buffer.from(data); + } + else { + return Buffer.from(data.buffer, data.byteOffset, data.byteLength); + } +}; +let TEXT_ENCODER; +function encodePacketToBinary(packet, callback) { + if (packet.data instanceof ArrayBuffer || ArrayBuffer.isView(packet.data)) { + return callback(toBuffer(packet.data, false)); + } + (0, exports.encodePacket)(packet, true, encoded => { + if (!TEXT_ENCODER) { + // lazily created for compatibility with Node.js 10 + TEXT_ENCODER = new TextEncoder(); + } + callback(TEXT_ENCODER.encode(encoded)); + }); +} +exports.encodePacketToBinary = encodePacketToBinary; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/index.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/index.d.ts new file mode 100644 index 00000000..594c4e19 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/index.d.ts @@ -0,0 +1,9 @@ +import { encodePacket } from "./encodePacket.js"; +import { decodePacket } from "./decodePacket.js"; +import { Packet, PacketType, RawData, BinaryType } from "./commons.js"; +declare const encodePayload: (packets: Packet[], callback: (encodedPayload: string) => void) => void; +declare const decodePayload: (encodedPayload: string, binaryType?: BinaryType) => Packet[]; +export declare function createPacketEncoderStream(): TransformStream; +export declare function createPacketDecoderStream(maxPayload: number, binaryType: BinaryType): TransformStream; +export declare const protocol = 4; +export { encodePacket, encodePayload, decodePacket, decodePayload, Packet, PacketType, RawData, BinaryType }; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/index.js b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/index.js new file mode 100644 index 00000000..06504c5d --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/index.js @@ -0,0 +1,164 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.decodePayload = exports.decodePacket = exports.encodePayload = exports.encodePacket = exports.protocol = exports.createPacketDecoderStream = exports.createPacketEncoderStream = void 0; +const encodePacket_js_1 = require("./encodePacket.js"); +Object.defineProperty(exports, "encodePacket", { enumerable: true, get: function () { return encodePacket_js_1.encodePacket; } }); +const decodePacket_js_1 = require("./decodePacket.js"); +Object.defineProperty(exports, "decodePacket", { enumerable: true, get: function () { return decodePacket_js_1.decodePacket; } }); +const commons_js_1 = require("./commons.js"); +const SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text +const encodePayload = (packets, callback) => { + // some packets may be added to the array while encoding, so the initial length must be saved + const length = packets.length; + const encodedPackets = new Array(length); + let count = 0; + packets.forEach((packet, i) => { + // force base64 encoding for binary packets + (0, encodePacket_js_1.encodePacket)(packet, false, encodedPacket => { + encodedPackets[i] = encodedPacket; + if (++count === length) { + callback(encodedPackets.join(SEPARATOR)); + } + }); + }); +}; +exports.encodePayload = encodePayload; +const decodePayload = (encodedPayload, binaryType) => { + const encodedPackets = encodedPayload.split(SEPARATOR); + const packets = []; + for (let i = 0; i < encodedPackets.length; i++) { + const decodedPacket = (0, decodePacket_js_1.decodePacket)(encodedPackets[i], binaryType); + packets.push(decodedPacket); + if (decodedPacket.type === "error") { + break; + } + } + return packets; +}; +exports.decodePayload = decodePayload; +function createPacketEncoderStream() { + return new TransformStream({ + transform(packet, controller) { + (0, encodePacket_js_1.encodePacketToBinary)(packet, encodedPacket => { + const payloadLength = encodedPacket.length; + let header; + // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length + if (payloadLength < 126) { + header = new Uint8Array(1); + new DataView(header.buffer).setUint8(0, payloadLength); + } + else if (payloadLength < 65536) { + header = new Uint8Array(3); + const view = new DataView(header.buffer); + view.setUint8(0, 126); + view.setUint16(1, payloadLength); + } + else { + header = new Uint8Array(9); + const view = new DataView(header.buffer); + view.setUint8(0, 127); + view.setBigUint64(1, BigInt(payloadLength)); + } + // first bit indicates whether the payload is plain text (0) or binary (1) + if (packet.data && typeof packet.data !== "string") { + header[0] |= 0x80; + } + controller.enqueue(header); + controller.enqueue(encodedPacket); + }); + } + }); +} +exports.createPacketEncoderStream = createPacketEncoderStream; +let TEXT_DECODER; +function totalLength(chunks) { + return chunks.reduce((acc, chunk) => acc + chunk.length, 0); +} +function concatChunks(chunks, size) { + if (chunks[0].length === size) { + return chunks.shift(); + } + const buffer = new Uint8Array(size); + let j = 0; + for (let i = 0; i < size; i++) { + buffer[i] = chunks[0][j++]; + if (j === chunks[0].length) { + chunks.shift(); + j = 0; + } + } + if (chunks.length && j < chunks[0].length) { + chunks[0] = chunks[0].slice(j); + } + return buffer; +} +function createPacketDecoderStream(maxPayload, binaryType) { + if (!TEXT_DECODER) { + TEXT_DECODER = new TextDecoder(); + } + const chunks = []; + let state = 0 /* READ_HEADER */; + let expectedLength = -1; + let isBinary = false; + return new TransformStream({ + transform(chunk, controller) { + chunks.push(chunk); + while (true) { + if (state === 0 /* READ_HEADER */) { + if (totalLength(chunks) < 1) { + break; + } + const header = concatChunks(chunks, 1); + isBinary = (header[0] & 0x80) === 0x80; + expectedLength = header[0] & 0x7f; + if (expectedLength < 126) { + state = 3 /* READ_PAYLOAD */; + } + else if (expectedLength === 126) { + state = 1 /* READ_EXTENDED_LENGTH_16 */; + } + else { + state = 2 /* READ_EXTENDED_LENGTH_64 */; + } + } + else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) { + if (totalLength(chunks) < 2) { + break; + } + const headerArray = concatChunks(chunks, 2); + expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0); + state = 3 /* READ_PAYLOAD */; + } + else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) { + if (totalLength(chunks) < 8) { + break; + } + const headerArray = concatChunks(chunks, 8); + const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length); + const n = view.getUint32(0); + if (n > Math.pow(2, 53 - 32) - 1) { + // the maximum safe integer in JavaScript is 2^53 - 1 + controller.enqueue(commons_js_1.ERROR_PACKET); + break; + } + expectedLength = n * Math.pow(2, 32) + view.getUint32(4); + state = 3 /* READ_PAYLOAD */; + } + else { + if (totalLength(chunks) < expectedLength) { + break; + } + const data = concatChunks(chunks, expectedLength); + controller.enqueue((0, decodePacket_js_1.decodePacket)(isBinary ? data : TEXT_DECODER.decode(data), binaryType)); + state = 0 /* READ_HEADER */; + } + if (expectedLength === 0 || expectedLength > maxPayload) { + controller.enqueue(commons_js_1.ERROR_PACKET); + break; + } + } + } + }); +} +exports.createPacketDecoderStream = createPacketDecoderStream; +exports.protocol = 4; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/package.json b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/package.json new file mode 100644 index 00000000..bdc4dbd5 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/package.json @@ -0,0 +1,8 @@ +{ + "name": "engine.io-parser", + "type": "commonjs", + "browser": { + "./encodePacket.js": "./encodePacket.browser.js", + "./decodePacket.js": "./decodePacket.browser.js" + } +} diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/commons.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/esm/commons.d.ts new file mode 100644 index 00000000..2eec1ddb --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/esm/commons.d.ts @@ -0,0 +1,14 @@ +declare const PACKET_TYPES: any; +declare const PACKET_TYPES_REVERSE: any; +declare const ERROR_PACKET: Packet; +export { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET }; +export declare type PacketType = "open" | "close" | "ping" | "pong" | "message" | "upgrade" | "noop" | "error"; +export declare type RawData = any; +export interface Packet { + type: PacketType; + options?: { + compress: boolean; + }; + data?: RawData; +} +export declare type BinaryType = "nodebuffer" | "arraybuffer" | "blob"; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/commons.js b/examples/axum-echo/node_modules/engine.io-parser/build/esm/commons.js new file mode 100644 index 00000000..c003b580 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/esm/commons.js @@ -0,0 +1,14 @@ +const PACKET_TYPES = Object.create(null); // no Map = no polyfill +PACKET_TYPES["open"] = "0"; +PACKET_TYPES["close"] = "1"; +PACKET_TYPES["ping"] = "2"; +PACKET_TYPES["pong"] = "3"; +PACKET_TYPES["message"] = "4"; +PACKET_TYPES["upgrade"] = "5"; +PACKET_TYPES["noop"] = "6"; +const PACKET_TYPES_REVERSE = Object.create(null); +Object.keys(PACKET_TYPES).forEach(key => { + PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key; +}); +const ERROR_PACKET = { type: "error", data: "parser error" }; +export { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET }; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.d.ts new file mode 100644 index 00000000..6e0fa6bc --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.d.ts @@ -0,0 +1,2 @@ +export declare const encode: (arraybuffer: ArrayBuffer) => string; +export declare const decode: (base64: string) => ArrayBuffer; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.js b/examples/axum-echo/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.js new file mode 100644 index 00000000..b5443847 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.js @@ -0,0 +1,43 @@ +// imported from https://github.com/socketio/base64-arraybuffer +const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; +// Use a lookup table to find the index. +const lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256); +for (let i = 0; i < chars.length; i++) { + lookup[chars.charCodeAt(i)] = i; +} +export const encode = (arraybuffer) => { + let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = ''; + for (i = 0; i < len; i += 3) { + base64 += chars[bytes[i] >> 2]; + base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)]; + base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)]; + base64 += chars[bytes[i + 2] & 63]; + } + if (len % 3 === 2) { + base64 = base64.substring(0, base64.length - 1) + '='; + } + else if (len % 3 === 1) { + base64 = base64.substring(0, base64.length - 2) + '=='; + } + return base64; +}; +export const decode = (base64) => { + let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4; + if (base64[base64.length - 1] === '=') { + bufferLength--; + if (base64[base64.length - 2] === '=') { + bufferLength--; + } + } + const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer); + for (i = 0; i < len; i += 4) { + encoded1 = lookup[base64.charCodeAt(i)]; + encoded2 = lookup[base64.charCodeAt(i + 1)]; + encoded3 = lookup[base64.charCodeAt(i + 2)]; + encoded4 = lookup[base64.charCodeAt(i + 3)]; + bytes[p++] = (encoded1 << 2) | (encoded2 >> 4); + bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2); + bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63); + } + return arraybuffer; +}; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.browser.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.browser.d.ts new file mode 100644 index 00000000..3a38ee52 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.browser.d.ts @@ -0,0 +1,2 @@ +import { Packet, BinaryType, RawData } from "./commons.js"; +export declare const decodePacket: (encodedPacket: RawData, binaryType?: BinaryType) => Packet; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.browser.js b/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.browser.js new file mode 100644 index 00000000..7e8818e5 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.browser.js @@ -0,0 +1,62 @@ +import { ERROR_PACKET, PACKET_TYPES_REVERSE } from "./commons.js"; +import { decode } from "./contrib/base64-arraybuffer.js"; +const withNativeArrayBuffer = typeof ArrayBuffer === "function"; +export const decodePacket = (encodedPacket, binaryType) => { + if (typeof encodedPacket !== "string") { + return { + type: "message", + data: mapBinary(encodedPacket, binaryType) + }; + } + const type = encodedPacket.charAt(0); + if (type === "b") { + return { + type: "message", + data: decodeBase64Packet(encodedPacket.substring(1), binaryType) + }; + } + const packetType = PACKET_TYPES_REVERSE[type]; + if (!packetType) { + return ERROR_PACKET; + } + return encodedPacket.length > 1 + ? { + type: PACKET_TYPES_REVERSE[type], + data: encodedPacket.substring(1) + } + : { + type: PACKET_TYPES_REVERSE[type] + }; +}; +const decodeBase64Packet = (data, binaryType) => { + if (withNativeArrayBuffer) { + const decoded = decode(data); + return mapBinary(decoded, binaryType); + } + else { + return { base64: true, data }; // fallback for old browsers + } +}; +const mapBinary = (data, binaryType) => { + switch (binaryType) { + case "blob": + if (data instanceof Blob) { + // from WebSocket + binaryType "blob" + return data; + } + else { + // from HTTP long-polling or WebTransport + return new Blob([data]); + } + case "arraybuffer": + default: + if (data instanceof ArrayBuffer) { + // from HTTP long-polling (base64) or WebSocket + binaryType "arraybuffer" + return data; + } + else { + // from WebTransport (Uint8Array) + return data.buffer; + } + } +}; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.d.ts new file mode 100644 index 00000000..3a38ee52 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.d.ts @@ -0,0 +1,2 @@ +import { Packet, BinaryType, RawData } from "./commons.js"; +export declare const decodePacket: (encodedPacket: RawData, binaryType?: BinaryType) => Packet; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.js b/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.js new file mode 100644 index 00000000..e899d638 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.js @@ -0,0 +1,55 @@ +import { ERROR_PACKET, PACKET_TYPES_REVERSE } from "./commons.js"; +export const decodePacket = (encodedPacket, binaryType) => { + if (typeof encodedPacket !== "string") { + return { + type: "message", + data: mapBinary(encodedPacket, binaryType) + }; + } + const type = encodedPacket.charAt(0); + if (type === "b") { + const buffer = Buffer.from(encodedPacket.substring(1), "base64"); + return { + type: "message", + data: mapBinary(buffer, binaryType) + }; + } + if (!PACKET_TYPES_REVERSE[type]) { + return ERROR_PACKET; + } + return encodedPacket.length > 1 + ? { + type: PACKET_TYPES_REVERSE[type], + data: encodedPacket.substring(1) + } + : { + type: PACKET_TYPES_REVERSE[type] + }; +}; +const mapBinary = (data, binaryType) => { + switch (binaryType) { + case "arraybuffer": + if (data instanceof ArrayBuffer) { + // from WebSocket & binaryType "arraybuffer" + return data; + } + else if (Buffer.isBuffer(data)) { + // from HTTP long-polling + return data.buffer.slice(data.byteOffset, data.byteOffset + data.byteLength); + } + else { + // from WebTransport (Uint8Array) + return data.buffer; + } + case "nodebuffer": + default: + if (Buffer.isBuffer(data)) { + // from HTTP long-polling or WebSocket & binaryType "nodebuffer" (default) + return data; + } + else { + // from WebTransport (Uint8Array) + return Buffer.from(data); + } + } +}; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.browser.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.browser.d.ts new file mode 100644 index 00000000..4a560004 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.browser.d.ts @@ -0,0 +1,4 @@ +import { Packet, RawData } from "./commons.js"; +declare const encodePacket: ({ type, data }: Packet, supportsBinary: boolean, callback: (encodedPacket: RawData) => void) => void; +export declare function encodePacketToBinary(packet: Packet, callback: (encodedPacket: RawData) => void): void | Promise; +export { encodePacket }; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.browser.js b/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.browser.js new file mode 100644 index 00000000..ffb5d0fa --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.browser.js @@ -0,0 +1,71 @@ +import { PACKET_TYPES } from "./commons.js"; +const withNativeBlob = typeof Blob === "function" || + (typeof Blob !== "undefined" && + Object.prototype.toString.call(Blob) === "[object BlobConstructor]"); +const withNativeArrayBuffer = typeof ArrayBuffer === "function"; +// ArrayBuffer.isView method is not defined in IE10 +const isView = obj => { + return typeof ArrayBuffer.isView === "function" + ? ArrayBuffer.isView(obj) + : obj && obj.buffer instanceof ArrayBuffer; +}; +const encodePacket = ({ type, data }, supportsBinary, callback) => { + if (withNativeBlob && data instanceof Blob) { + if (supportsBinary) { + return callback(data); + } + else { + return encodeBlobAsBase64(data, callback); + } + } + else if (withNativeArrayBuffer && + (data instanceof ArrayBuffer || isView(data))) { + if (supportsBinary) { + return callback(data); + } + else { + return encodeBlobAsBase64(new Blob([data]), callback); + } + } + // plain string + return callback(PACKET_TYPES[type] + (data || "")); +}; +const encodeBlobAsBase64 = (data, callback) => { + const fileReader = new FileReader(); + fileReader.onload = function () { + const content = fileReader.result.split(",")[1]; + callback("b" + (content || "")); + }; + return fileReader.readAsDataURL(data); +}; +function toArray(data) { + if (data instanceof Uint8Array) { + return data; + } + else if (data instanceof ArrayBuffer) { + return new Uint8Array(data); + } + else { + return new Uint8Array(data.buffer, data.byteOffset, data.byteLength); + } +} +let TEXT_ENCODER; +export function encodePacketToBinary(packet, callback) { + if (withNativeBlob && packet.data instanceof Blob) { + return packet.data + .arrayBuffer() + .then(toArray) + .then(callback); + } + else if (withNativeArrayBuffer && + (packet.data instanceof ArrayBuffer || isView(packet.data))) { + return callback(toArray(packet.data)); + } + encodePacket(packet, false, encoded => { + if (!TEXT_ENCODER) { + TEXT_ENCODER = new TextEncoder(); + } + callback(TEXT_ENCODER.encode(encoded)); + }); +} +export { encodePacket }; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.d.ts new file mode 100644 index 00000000..86aec4dc --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.d.ts @@ -0,0 +1,3 @@ +import { Packet, RawData } from "./commons.js"; +export declare const encodePacket: ({ type, data }: Packet, supportsBinary: boolean, callback: (encodedPacket: RawData) => void) => void; +export declare function encodePacketToBinary(packet: Packet, callback: (encodedPacket: RawData) => void): void; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.js b/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.js new file mode 100644 index 00000000..ecb73412 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.js @@ -0,0 +1,33 @@ +import { PACKET_TYPES } from "./commons.js"; +export const encodePacket = ({ type, data }, supportsBinary, callback) => { + if (data instanceof ArrayBuffer || ArrayBuffer.isView(data)) { + return callback(supportsBinary ? data : "b" + toBuffer(data, true).toString("base64")); + } + // plain string + return callback(PACKET_TYPES[type] + (data || "")); +}; +const toBuffer = (data, forceBufferConversion) => { + if (Buffer.isBuffer(data) || + (data instanceof Uint8Array && !forceBufferConversion)) { + return data; + } + else if (data instanceof ArrayBuffer) { + return Buffer.from(data); + } + else { + return Buffer.from(data.buffer, data.byteOffset, data.byteLength); + } +}; +let TEXT_ENCODER; +export function encodePacketToBinary(packet, callback) { + if (packet.data instanceof ArrayBuffer || ArrayBuffer.isView(packet.data)) { + return callback(toBuffer(packet.data, false)); + } + encodePacket(packet, true, encoded => { + if (!TEXT_ENCODER) { + // lazily created for compatibility with Node.js 10 + TEXT_ENCODER = new TextEncoder(); + } + callback(TEXT_ENCODER.encode(encoded)); + }); +} diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/index.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/esm/index.d.ts new file mode 100644 index 00000000..594c4e19 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/esm/index.d.ts @@ -0,0 +1,9 @@ +import { encodePacket } from "./encodePacket.js"; +import { decodePacket } from "./decodePacket.js"; +import { Packet, PacketType, RawData, BinaryType } from "./commons.js"; +declare const encodePayload: (packets: Packet[], callback: (encodedPayload: string) => void) => void; +declare const decodePayload: (encodedPayload: string, binaryType?: BinaryType) => Packet[]; +export declare function createPacketEncoderStream(): TransformStream; +export declare function createPacketDecoderStream(maxPayload: number, binaryType: BinaryType): TransformStream; +export declare const protocol = 4; +export { encodePacket, encodePayload, decodePacket, decodePayload, Packet, PacketType, RawData, BinaryType }; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/index.js b/examples/axum-echo/node_modules/engine.io-parser/build/esm/index.js new file mode 100644 index 00000000..aa21a645 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/esm/index.js @@ -0,0 +1,156 @@ +import { encodePacket, encodePacketToBinary } from "./encodePacket.js"; +import { decodePacket } from "./decodePacket.js"; +import { ERROR_PACKET } from "./commons.js"; +const SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text +const encodePayload = (packets, callback) => { + // some packets may be added to the array while encoding, so the initial length must be saved + const length = packets.length; + const encodedPackets = new Array(length); + let count = 0; + packets.forEach((packet, i) => { + // force base64 encoding for binary packets + encodePacket(packet, false, encodedPacket => { + encodedPackets[i] = encodedPacket; + if (++count === length) { + callback(encodedPackets.join(SEPARATOR)); + } + }); + }); +}; +const decodePayload = (encodedPayload, binaryType) => { + const encodedPackets = encodedPayload.split(SEPARATOR); + const packets = []; + for (let i = 0; i < encodedPackets.length; i++) { + const decodedPacket = decodePacket(encodedPackets[i], binaryType); + packets.push(decodedPacket); + if (decodedPacket.type === "error") { + break; + } + } + return packets; +}; +export function createPacketEncoderStream() { + return new TransformStream({ + transform(packet, controller) { + encodePacketToBinary(packet, encodedPacket => { + const payloadLength = encodedPacket.length; + let header; + // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length + if (payloadLength < 126) { + header = new Uint8Array(1); + new DataView(header.buffer).setUint8(0, payloadLength); + } + else if (payloadLength < 65536) { + header = new Uint8Array(3); + const view = new DataView(header.buffer); + view.setUint8(0, 126); + view.setUint16(1, payloadLength); + } + else { + header = new Uint8Array(9); + const view = new DataView(header.buffer); + view.setUint8(0, 127); + view.setBigUint64(1, BigInt(payloadLength)); + } + // first bit indicates whether the payload is plain text (0) or binary (1) + if (packet.data && typeof packet.data !== "string") { + header[0] |= 0x80; + } + controller.enqueue(header); + controller.enqueue(encodedPacket); + }); + } + }); +} +let TEXT_DECODER; +function totalLength(chunks) { + return chunks.reduce((acc, chunk) => acc + chunk.length, 0); +} +function concatChunks(chunks, size) { + if (chunks[0].length === size) { + return chunks.shift(); + } + const buffer = new Uint8Array(size); + let j = 0; + for (let i = 0; i < size; i++) { + buffer[i] = chunks[0][j++]; + if (j === chunks[0].length) { + chunks.shift(); + j = 0; + } + } + if (chunks.length && j < chunks[0].length) { + chunks[0] = chunks[0].slice(j); + } + return buffer; +} +export function createPacketDecoderStream(maxPayload, binaryType) { + if (!TEXT_DECODER) { + TEXT_DECODER = new TextDecoder(); + } + const chunks = []; + let state = 0 /* READ_HEADER */; + let expectedLength = -1; + let isBinary = false; + return new TransformStream({ + transform(chunk, controller) { + chunks.push(chunk); + while (true) { + if (state === 0 /* READ_HEADER */) { + if (totalLength(chunks) < 1) { + break; + } + const header = concatChunks(chunks, 1); + isBinary = (header[0] & 0x80) === 0x80; + expectedLength = header[0] & 0x7f; + if (expectedLength < 126) { + state = 3 /* READ_PAYLOAD */; + } + else if (expectedLength === 126) { + state = 1 /* READ_EXTENDED_LENGTH_16 */; + } + else { + state = 2 /* READ_EXTENDED_LENGTH_64 */; + } + } + else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) { + if (totalLength(chunks) < 2) { + break; + } + const headerArray = concatChunks(chunks, 2); + expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0); + state = 3 /* READ_PAYLOAD */; + } + else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) { + if (totalLength(chunks) < 8) { + break; + } + const headerArray = concatChunks(chunks, 8); + const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length); + const n = view.getUint32(0); + if (n > Math.pow(2, 53 - 32) - 1) { + // the maximum safe integer in JavaScript is 2^53 - 1 + controller.enqueue(ERROR_PACKET); + break; + } + expectedLength = n * Math.pow(2, 32) + view.getUint32(4); + state = 3 /* READ_PAYLOAD */; + } + else { + if (totalLength(chunks) < expectedLength) { + break; + } + const data = concatChunks(chunks, expectedLength); + controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType)); + state = 0 /* READ_HEADER */; + } + if (expectedLength === 0 || expectedLength > maxPayload) { + controller.enqueue(ERROR_PACKET); + break; + } + } + } + }); +} +export const protocol = 4; +export { encodePacket, encodePayload, decodePacket, decodePayload }; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/package.json b/examples/axum-echo/node_modules/engine.io-parser/build/esm/package.json new file mode 100644 index 00000000..6f2c74aa --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/build/esm/package.json @@ -0,0 +1,8 @@ +{ + "name": "engine.io-parser", + "type": "module", + "browser": { + "./encodePacket.js": "./encodePacket.browser.js", + "./decodePacket.js": "./decodePacket.browser.js" + } +} diff --git a/examples/axum-echo/node_modules/engine.io-parser/package.json b/examples/axum-echo/node_modules/engine.io-parser/package.json new file mode 100644 index 00000000..ba929925 --- /dev/null +++ b/examples/axum-echo/node_modules/engine.io-parser/package.json @@ -0,0 +1,59 @@ +{ + "name": "engine.io-parser", + "description": "Parser for the client for the realtime Engine", + "license": "MIT", + "version": "5.2.1", + "main": "./build/cjs/index.js", + "module": "./build/esm/index.js", + "exports": { + "import": "./build/esm/index.js", + "require": "./build/cjs/index.js" + }, + "types": "build/esm/index.d.ts", + "homepage": "https://github.com/socketio/engine.io-parser", + "devDependencies": { + "@babel/core": "~7.9.6", + "@babel/preset-env": "~7.9.6", + "@types/mocha": "^9.0.0", + "@types/node": "^16.9.6", + "babelify": "^10.0.0", + "benchmark": "^2.1.4", + "expect.js": "0.3.1", + "mocha": "^5.2.0", + "nyc": "~15.0.1", + "prettier": "^1.19.1", + "rimraf": "^3.0.2", + "socket.io-browsers": "^1.0.4", + "ts-node": "^10.2.1", + "tsify": "^5.0.4", + "typescript": "^4.4.3", + "zuul": "3.11.1", + "zuul-ngrok": "4.0.0" + }, + "scripts": { + "compile": "rimraf ./build && tsc && tsc -p tsconfig.esm.json && ./postcompile.sh", + "test": "npm run format:check && npm run compile && if test \"$BROWSERS\" = \"1\" ; then npm run test:browser; else npm run test:node; fi", + "test:node": "nyc mocha -r ts-node/register test/index.ts", + "test:browser": "zuul test/index.ts --no-coverage", + "format:check": "prettier --check 'lib/**/*.ts' 'test/**/*.ts'", + "format:fix": "prettier --write 'lib/**/*.ts' 'test/**/*.ts'", + "prepack": "npm run compile" + }, + "repository": { + "type": "git", + "url": "git@github.com:socketio/engine.io-parser.git" + }, + "files": [ + "build/" + ], + "browser": { + "./test/node": "./test/browser", + "./build/esm/encodePacket.js": "./build/esm/encodePacket.browser.js", + "./build/esm/decodePacket.js": "./build/esm/decodePacket.browser.js", + "./build/cjs/encodePacket.js": "./build/cjs/encodePacket.browser.js", + "./build/cjs/decodePacket.js": "./build/cjs/decodePacket.browser.js" + }, + "engines": { + "node": ">=10.0.0" + } +} diff --git a/examples/axum-echo/node_modules/ms/index.js b/examples/axum-echo/node_modules/ms/index.js new file mode 100644 index 00000000..c4498bcc --- /dev/null +++ b/examples/axum-echo/node_modules/ms/index.js @@ -0,0 +1,162 @@ +/** + * Helpers. + */ + +var s = 1000; +var m = s * 60; +var h = m * 60; +var d = h * 24; +var w = d * 7; +var y = d * 365.25; + +/** + * Parse or format the given `val`. + * + * Options: + * + * - `long` verbose formatting [false] + * + * @param {String|Number} val + * @param {Object} [options] + * @throws {Error} throw an error if val is not a non-empty string or a number + * @return {String|Number} + * @api public + */ + +module.exports = function(val, options) { + options = options || {}; + var type = typeof val; + if (type === 'string' && val.length > 0) { + return parse(val); + } else if (type === 'number' && isFinite(val)) { + return options.long ? fmtLong(val) : fmtShort(val); + } + throw new Error( + 'val is not a non-empty string or a valid number. val=' + + JSON.stringify(val) + ); +}; + +/** + * Parse the given `str` and return milliseconds. + * + * @param {String} str + * @return {Number} + * @api private + */ + +function parse(str) { + str = String(str); + if (str.length > 100) { + return; + } + var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec( + str + ); + if (!match) { + return; + } + var n = parseFloat(match[1]); + var type = (match[2] || 'ms').toLowerCase(); + switch (type) { + case 'years': + case 'year': + case 'yrs': + case 'yr': + case 'y': + return n * y; + case 'weeks': + case 'week': + case 'w': + return n * w; + case 'days': + case 'day': + case 'd': + return n * d; + case 'hours': + case 'hour': + case 'hrs': + case 'hr': + case 'h': + return n * h; + case 'minutes': + case 'minute': + case 'mins': + case 'min': + case 'm': + return n * m; + case 'seconds': + case 'second': + case 'secs': + case 'sec': + case 's': + return n * s; + case 'milliseconds': + case 'millisecond': + case 'msecs': + case 'msec': + case 'ms': + return n; + default: + return undefined; + } +} + +/** + * Short format for `ms`. + * + * @param {Number} ms + * @return {String} + * @api private + */ + +function fmtShort(ms) { + var msAbs = Math.abs(ms); + if (msAbs >= d) { + return Math.round(ms / d) + 'd'; + } + if (msAbs >= h) { + return Math.round(ms / h) + 'h'; + } + if (msAbs >= m) { + return Math.round(ms / m) + 'm'; + } + if (msAbs >= s) { + return Math.round(ms / s) + 's'; + } + return ms + 'ms'; +} + +/** + * Long format for `ms`. + * + * @param {Number} ms + * @return {String} + * @api private + */ + +function fmtLong(ms) { + var msAbs = Math.abs(ms); + if (msAbs >= d) { + return plural(ms, msAbs, d, 'day'); + } + if (msAbs >= h) { + return plural(ms, msAbs, h, 'hour'); + } + if (msAbs >= m) { + return plural(ms, msAbs, m, 'minute'); + } + if (msAbs >= s) { + return plural(ms, msAbs, s, 'second'); + } + return ms + ' ms'; +} + +/** + * Pluralization helper. + */ + +function plural(ms, msAbs, n, name) { + var isPlural = msAbs >= n * 1.5; + return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : ''); +} diff --git a/examples/axum-echo/node_modules/ms/license.md b/examples/axum-echo/node_modules/ms/license.md new file mode 100644 index 00000000..69b61253 --- /dev/null +++ b/examples/axum-echo/node_modules/ms/license.md @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2016 Zeit, Inc. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/examples/axum-echo/node_modules/ms/package.json b/examples/axum-echo/node_modules/ms/package.json new file mode 100644 index 00000000..eea666e1 --- /dev/null +++ b/examples/axum-echo/node_modules/ms/package.json @@ -0,0 +1,37 @@ +{ + "name": "ms", + "version": "2.1.2", + "description": "Tiny millisecond conversion utility", + "repository": "zeit/ms", + "main": "./index", + "files": [ + "index.js" + ], + "scripts": { + "precommit": "lint-staged", + "lint": "eslint lib/* bin/*", + "test": "mocha tests.js" + }, + "eslintConfig": { + "extends": "eslint:recommended", + "env": { + "node": true, + "es6": true + } + }, + "lint-staged": { + "*.js": [ + "npm run lint", + "prettier --single-quote --write", + "git add" + ] + }, + "license": "MIT", + "devDependencies": { + "eslint": "4.12.1", + "expect.js": "0.3.1", + "husky": "0.14.3", + "lint-staged": "5.0.0", + "mocha": "4.0.1" + } +} diff --git a/examples/axum-echo/node_modules/ms/readme.md b/examples/axum-echo/node_modules/ms/readme.md new file mode 100644 index 00000000..9a1996b1 --- /dev/null +++ b/examples/axum-echo/node_modules/ms/readme.md @@ -0,0 +1,60 @@ +# ms + +[![Build Status](https://travis-ci.org/zeit/ms.svg?branch=master)](https://travis-ci.org/zeit/ms) +[![Join the community on Spectrum](https://withspectrum.github.io/badge/badge.svg)](https://spectrum.chat/zeit) + +Use this package to easily convert various time formats to milliseconds. + +## Examples + +```js +ms('2 days') // 172800000 +ms('1d') // 86400000 +ms('10h') // 36000000 +ms('2.5 hrs') // 9000000 +ms('2h') // 7200000 +ms('1m') // 60000 +ms('5s') // 5000 +ms('1y') // 31557600000 +ms('100') // 100 +ms('-3 days') // -259200000 +ms('-1h') // -3600000 +ms('-200') // -200 +``` + +### Convert from Milliseconds + +```js +ms(60000) // "1m" +ms(2 * 60000) // "2m" +ms(-3 * 60000) // "-3m" +ms(ms('10 hours')) // "10h" +``` + +### Time Format Written-Out + +```js +ms(60000, { long: true }) // "1 minute" +ms(2 * 60000, { long: true }) // "2 minutes" +ms(-3 * 60000, { long: true }) // "-3 minutes" +ms(ms('10 hours'), { long: true }) // "10 hours" +``` + +## Features + +- Works both in [Node.js](https://nodejs.org) and in the browser +- If a number is supplied to `ms`, a string with a unit is returned +- If a string that contains the number is supplied, it returns it as a number (e.g.: it returns `100` for `'100'`) +- If you pass a string with a number and a valid unit, the number of equivalent milliseconds is returned + +## Related Packages + +- [ms.macro](https://github.com/knpwrs/ms.macro) - Run `ms` as a macro at build-time. + +## Caught a Bug? + +1. [Fork](https://help.github.com/articles/fork-a-repo/) this repository to your own GitHub account and then [clone](https://help.github.com/articles/cloning-a-repository/) it to your local device +2. Link the package to the global module directory: `npm link` +3. Within the module you want to test your local development instance of ms, just link it to the dependencies: `npm link ms`. Instead of the default one from npm, Node.js will now use your clone of ms! + +As always, you can run the tests using: `npm test` diff --git a/examples/axum-echo/node_modules/socket.io-client/LICENSE b/examples/axum-echo/node_modules/socket.io-client/LICENSE new file mode 100644 index 00000000..9338df18 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/LICENSE @@ -0,0 +1,22 @@ +The MIT License (MIT) + +Copyright (c) 2014 Guillermo Rauch + + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. \ No newline at end of file diff --git a/examples/axum-echo/node_modules/socket.io-client/README.md b/examples/axum-echo/node_modules/socket.io-client/README.md new file mode 100644 index 00000000..b0f199ee --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/README.md @@ -0,0 +1,29 @@ + +# socket.io-client + +[![Build Status](https://github.com/socketio/socket.io-client/workflows/CI/badge.svg?branch=main)](https://github.com/socketio/socket.io-client/actions) +[![NPM version](https://badge.fury.io/js/socket.io-client.svg)](https://www.npmjs.com/package/socket.io-client) +![Downloads](http://img.shields.io/npm/dm/socket.io-client.svg?style=flat) +[![](http://slack.socket.io/badge.svg?)](http://slack.socket.io) + +[![Sauce Test Status](https://saucelabs.com/browser-matrix/socket.svg)](https://saucelabs.com/u/socket) + +## Documentation + +Please see the documentation [here](https://socket.io/docs/v4/client-initialization/). + +The source code of the website can be found [here](https://github.com/socketio/socket.io-website). Contributions are welcome! + +## Debug / logging + +In order to see all the client debug output, run the following command on the browser console – including the desired scope – and reload your app page: + +``` +localStorage.debug = '*'; +``` + +And then, filter by the scopes you're interested in. See also: https://socket.io/docs/v4/logging-and-debugging/ + +## License + +[MIT](/LICENSE) diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/browser-entrypoint.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/cjs/browser-entrypoint.d.ts new file mode 100644 index 00000000..18fe370b --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/cjs/browser-entrypoint.d.ts @@ -0,0 +1,2 @@ +import { io } from "./index.js"; +export default io; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/browser-entrypoint.js b/examples/axum-echo/node_modules/socket.io-client/build/cjs/browser-entrypoint.js new file mode 100644 index 00000000..c727722b --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/cjs/browser-entrypoint.js @@ -0,0 +1,4 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +const index_js_1 = require("./index.js"); +exports.default = index_js_1.io; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/contrib/backo2.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/cjs/contrib/backo2.d.ts new file mode 100644 index 00000000..644c7351 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/cjs/contrib/backo2.d.ts @@ -0,0 +1,12 @@ +/** + * Initialize backoff timer with `opts`. + * + * - `min` initial timeout in milliseconds [100] + * - `max` max timeout [10000] + * - `jitter` [0] + * - `factor` [2] + * + * @param {Object} opts + * @api public + */ +export declare function Backoff(opts: any): void; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/contrib/backo2.js b/examples/axum-echo/node_modules/socket.io-client/build/cjs/contrib/backo2.js new file mode 100644 index 00000000..063fc421 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/cjs/contrib/backo2.js @@ -0,0 +1,70 @@ +"use strict"; +/** + * Initialize backoff timer with `opts`. + * + * - `min` initial timeout in milliseconds [100] + * - `max` max timeout [10000] + * - `jitter` [0] + * - `factor` [2] + * + * @param {Object} opts + * @api public + */ +Object.defineProperty(exports, "__esModule", { value: true }); +exports.Backoff = void 0; +function Backoff(opts) { + opts = opts || {}; + this.ms = opts.min || 100; + this.max = opts.max || 10000; + this.factor = opts.factor || 2; + this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0; + this.attempts = 0; +} +exports.Backoff = Backoff; +/** + * Return the backoff duration. + * + * @return {Number} + * @api public + */ +Backoff.prototype.duration = function () { + var ms = this.ms * Math.pow(this.factor, this.attempts++); + if (this.jitter) { + var rand = Math.random(); + var deviation = Math.floor(rand * this.jitter * ms); + ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation; + } + return Math.min(ms, this.max) | 0; +}; +/** + * Reset the number of attempts. + * + * @api public + */ +Backoff.prototype.reset = function () { + this.attempts = 0; +}; +/** + * Set the minimum duration + * + * @api public + */ +Backoff.prototype.setMin = function (min) { + this.ms = min; +}; +/** + * Set the maximum duration + * + * @api public + */ +Backoff.prototype.setMax = function (max) { + this.max = max; +}; +/** + * Set the jitter + * + * @api public + */ +Backoff.prototype.setJitter = function (jitter) { + this.jitter = jitter; +}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/index.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/cjs/index.d.ts new file mode 100644 index 00000000..adfed240 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/cjs/index.d.ts @@ -0,0 +1,28 @@ +import { Manager, ManagerOptions } from "./manager.js"; +import { Socket, SocketOptions } from "./socket.js"; +/** + * Looks up an existing `Manager` for multiplexing. + * If the user summons: + * + * `io('http://localhost/a');` + * `io('http://localhost/b');` + * + * We reuse the existing instance based on same scheme/port/host, + * and we initialize sockets for each namespace. + * + * @public + */ +declare function lookup(opts?: Partial): Socket; +declare function lookup(uri: string, opts?: Partial): Socket; +/** + * Protocol version. + * + * @public + */ +export { protocol } from "socket.io-parser"; +/** + * Expose constructors for standalone build. + * + * @public + */ +export { Manager, ManagerOptions, Socket, SocketOptions, lookup as io, lookup as connect, lookup as default, }; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/index.js b/examples/axum-echo/node_modules/socket.io-client/build/cjs/index.js new file mode 100644 index 00000000..918d6f3e --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/cjs/index.js @@ -0,0 +1,69 @@ +"use strict"; +var __importDefault = (this && this.__importDefault) || function (mod) { + return (mod && mod.__esModule) ? mod : { "default": mod }; +}; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.default = exports.connect = exports.io = exports.Socket = exports.Manager = exports.protocol = void 0; +const url_js_1 = require("./url.js"); +const manager_js_1 = require("./manager.js"); +Object.defineProperty(exports, "Manager", { enumerable: true, get: function () { return manager_js_1.Manager; } }); +const socket_js_1 = require("./socket.js"); +Object.defineProperty(exports, "Socket", { enumerable: true, get: function () { return socket_js_1.Socket; } }); +const debug_1 = __importDefault(require("debug")); // debug() +const debug = debug_1.default("socket.io-client"); // debug() +/** + * Managers cache. + */ +const cache = {}; +function lookup(uri, opts) { + if (typeof uri === "object") { + opts = uri; + uri = undefined; + } + opts = opts || {}; + const parsed = url_js_1.url(uri, opts.path || "/socket.io"); + const source = parsed.source; + const id = parsed.id; + const path = parsed.path; + const sameNamespace = cache[id] && path in cache[id]["nsps"]; + const newConnection = opts.forceNew || + opts["force new connection"] || + false === opts.multiplex || + sameNamespace; + let io; + if (newConnection) { + debug("ignoring socket cache for %s", source); + io = new manager_js_1.Manager(source, opts); + } + else { + if (!cache[id]) { + debug("new io instance for %s", source); + cache[id] = new manager_js_1.Manager(source, opts); + } + io = cache[id]; + } + if (parsed.query && !opts.query) { + opts.query = parsed.queryKey; + } + return io.socket(parsed.path, opts); +} +exports.io = lookup; +exports.connect = lookup; +exports.default = lookup; +// so that "lookup" can be used both as a function (e.g. `io(...)`) and as a +// namespace (e.g. `io.connect(...)`), for backward compatibility +Object.assign(lookup, { + Manager: manager_js_1.Manager, + Socket: socket_js_1.Socket, + io: lookup, + connect: lookup, +}); +/** + * Protocol version. + * + * @public + */ +var socket_io_parser_1 = require("socket.io-parser"); +Object.defineProperty(exports, "protocol", { enumerable: true, get: function () { return socket_io_parser_1.protocol; } }); + +module.exports = lookup; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/manager.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/cjs/manager.d.ts new file mode 100644 index 00000000..cb5dbb1e --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/cjs/manager.d.ts @@ -0,0 +1,291 @@ +import { Socket as Engine, SocketOptions as EngineOptions } from "engine.io-client"; +import { Socket, SocketOptions, DisconnectDescription } from "./socket.js"; +import { Packet } from "socket.io-parser"; +import { DefaultEventsMap, EventsMap, Emitter } from "@socket.io/component-emitter"; +export interface ManagerOptions extends EngineOptions { + /** + * Should we force a new Manager for this connection? + * @default false + */ + forceNew: boolean; + /** + * Should we multiplex our connection (reuse existing Manager) ? + * @default true + */ + multiplex: boolean; + /** + * The path to get our client file from, in the case of the server + * serving it + * @default '/socket.io' + */ + path: string; + /** + * Should we allow reconnections? + * @default true + */ + reconnection: boolean; + /** + * How many reconnection attempts should we try? + * @default Infinity + */ + reconnectionAttempts: number; + /** + * The time delay in milliseconds between reconnection attempts + * @default 1000 + */ + reconnectionDelay: number; + /** + * The max time delay in milliseconds between reconnection attempts + * @default 5000 + */ + reconnectionDelayMax: number; + /** + * Used in the exponential backoff jitter when reconnecting + * @default 0.5 + */ + randomizationFactor: number; + /** + * The timeout in milliseconds for our connection attempt + * @default 20000 + */ + timeout: number; + /** + * Should we automatically connect? + * @default true + */ + autoConnect: boolean; + /** + * the parser to use. Defaults to an instance of the Parser that ships with socket.io. + */ + parser: any; +} +interface ManagerReservedEvents { + open: () => void; + error: (err: Error) => void; + ping: () => void; + packet: (packet: Packet) => void; + close: (reason: string, description?: DisconnectDescription) => void; + reconnect_failed: () => void; + reconnect_attempt: (attempt: number) => void; + reconnect_error: (err: Error) => void; + reconnect: (attempt: number) => void; +} +export declare class Manager extends Emitter<{}, {}, ManagerReservedEvents> { + /** + * The Engine.IO client instance + * + * @public + */ + engine: Engine; + /** + * @private + */ + _autoConnect: boolean; + /** + * @private + */ + _readyState: "opening" | "open" | "closed"; + /** + * @private + */ + _reconnecting: boolean; + private readonly uri; + opts: Partial; + private nsps; + private subs; + private backoff; + private setTimeoutFn; + private clearTimeoutFn; + private _reconnection; + private _reconnectionAttempts; + private _reconnectionDelay; + private _randomizationFactor; + private _reconnectionDelayMax; + private _timeout; + private encoder; + private decoder; + private skipReconnect; + /** + * `Manager` constructor. + * + * @param uri - engine instance or engine uri/opts + * @param opts - options + * @public + */ + constructor(opts: Partial); + constructor(uri?: string, opts?: Partial); + constructor(uri?: string | Partial, opts?: Partial); + /** + * Sets the `reconnection` config. + * + * @param {Boolean} v - true/false if it should automatically reconnect + * @return {Manager} self or value + * @public + */ + reconnection(v: boolean): this; + reconnection(): boolean; + reconnection(v?: boolean): this | boolean; + /** + * Sets the reconnection attempts config. + * + * @param {Number} v - max reconnection attempts before giving up + * @return {Manager} self or value + * @public + */ + reconnectionAttempts(v: number): this; + reconnectionAttempts(): number; + reconnectionAttempts(v?: number): this | number; + /** + * Sets the delay between reconnections. + * + * @param {Number} v - delay + * @return {Manager} self or value + * @public + */ + reconnectionDelay(v: number): this; + reconnectionDelay(): number; + reconnectionDelay(v?: number): this | number; + /** + * Sets the randomization factor + * + * @param v - the randomization factor + * @return self or value + * @public + */ + randomizationFactor(v: number): this; + randomizationFactor(): number; + randomizationFactor(v?: number): this | number; + /** + * Sets the maximum delay between reconnections. + * + * @param v - delay + * @return self or value + * @public + */ + reconnectionDelayMax(v: number): this; + reconnectionDelayMax(): number; + reconnectionDelayMax(v?: number): this | number; + /** + * Sets the connection timeout. `false` to disable + * + * @param v - connection timeout + * @return self or value + * @public + */ + timeout(v: number | boolean): this; + timeout(): number | boolean; + timeout(v?: number | boolean): this | number | boolean; + /** + * Starts trying to reconnect if reconnection is enabled and we have not + * started reconnecting yet + * + * @private + */ + private maybeReconnectOnOpen; + /** + * Sets the current transport `socket`. + * + * @param {Function} fn - optional, callback + * @return self + * @public + */ + open(fn?: (err?: Error) => void): this; + /** + * Alias for open() + * + * @return self + * @public + */ + connect(fn?: (err?: Error) => void): this; + /** + * Called upon transport open. + * + * @private + */ + private onopen; + /** + * Called upon a ping. + * + * @private + */ + private onping; + /** + * Called with data. + * + * @private + */ + private ondata; + /** + * Called when parser fully decodes a packet. + * + * @private + */ + private ondecoded; + /** + * Called upon socket error. + * + * @private + */ + private onerror; + /** + * Creates a new socket for the given `nsp`. + * + * @return {Socket} + * @public + */ + socket(nsp: string, opts?: Partial): Socket; + /** + * Called upon a socket close. + * + * @param socket + * @private + */ + _destroy(socket: Socket): void; + /** + * Writes a packet. + * + * @param packet + * @private + */ + _packet(packet: Partial): void; + /** + * Clean up transport subscriptions and packet buffer. + * + * @private + */ + private cleanup; + /** + * Close the current socket. + * + * @private + */ + _close(): void; + /** + * Alias for close() + * + * @private + */ + private disconnect; + /** + * Called upon engine close. + * + * @private + */ + private onclose; + /** + * Attempt a reconnection. + * + * @private + */ + private reconnect; + /** + * Called upon successful reconnect. + * + * @private + */ + private onreconnect; +} +export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/manager.js b/examples/axum-echo/node_modules/socket.io-client/build/cjs/manager.js new file mode 100644 index 00000000..63f811f4 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/cjs/manager.js @@ -0,0 +1,403 @@ +"use strict"; +var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { + if (k2 === undefined) k2 = k; + Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); +}) : (function(o, m, k, k2) { + if (k2 === undefined) k2 = k; + o[k2] = m[k]; +})); +var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) { + Object.defineProperty(o, "default", { enumerable: true, value: v }); +}) : function(o, v) { + o["default"] = v; +}); +var __importStar = (this && this.__importStar) || function (mod) { + if (mod && mod.__esModule) return mod; + var result = {}; + if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k); + __setModuleDefault(result, mod); + return result; +}; +var __importDefault = (this && this.__importDefault) || function (mod) { + return (mod && mod.__esModule) ? mod : { "default": mod }; +}; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.Manager = void 0; +const engine_io_client_1 = require("engine.io-client"); +const socket_js_1 = require("./socket.js"); +const parser = __importStar(require("socket.io-parser")); +const on_js_1 = require("./on.js"); +const backo2_js_1 = require("./contrib/backo2.js"); +const component_emitter_1 = require("@socket.io/component-emitter"); +const debug_1 = __importDefault(require("debug")); // debug() +const debug = debug_1.default("socket.io-client:manager"); // debug() +class Manager extends component_emitter_1.Emitter { + constructor(uri, opts) { + var _a; + super(); + this.nsps = {}; + this.subs = []; + if (uri && "object" === typeof uri) { + opts = uri; + uri = undefined; + } + opts = opts || {}; + opts.path = opts.path || "/socket.io"; + this.opts = opts; + engine_io_client_1.installTimerFunctions(this, opts); + this.reconnection(opts.reconnection !== false); + this.reconnectionAttempts(opts.reconnectionAttempts || Infinity); + this.reconnectionDelay(opts.reconnectionDelay || 1000); + this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000); + this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5); + this.backoff = new backo2_js_1.Backoff({ + min: this.reconnectionDelay(), + max: this.reconnectionDelayMax(), + jitter: this.randomizationFactor(), + }); + this.timeout(null == opts.timeout ? 20000 : opts.timeout); + this._readyState = "closed"; + this.uri = uri; + const _parser = opts.parser || parser; + this.encoder = new _parser.Encoder(); + this.decoder = new _parser.Decoder(); + this._autoConnect = opts.autoConnect !== false; + if (this._autoConnect) + this.open(); + } + reconnection(v) { + if (!arguments.length) + return this._reconnection; + this._reconnection = !!v; + return this; + } + reconnectionAttempts(v) { + if (v === undefined) + return this._reconnectionAttempts; + this._reconnectionAttempts = v; + return this; + } + reconnectionDelay(v) { + var _a; + if (v === undefined) + return this._reconnectionDelay; + this._reconnectionDelay = v; + (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v); + return this; + } + randomizationFactor(v) { + var _a; + if (v === undefined) + return this._randomizationFactor; + this._randomizationFactor = v; + (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v); + return this; + } + reconnectionDelayMax(v) { + var _a; + if (v === undefined) + return this._reconnectionDelayMax; + this._reconnectionDelayMax = v; + (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v); + return this; + } + timeout(v) { + if (!arguments.length) + return this._timeout; + this._timeout = v; + return this; + } + /** + * Starts trying to reconnect if reconnection is enabled and we have not + * started reconnecting yet + * + * @private + */ + maybeReconnectOnOpen() { + // Only try to reconnect if it's the first time we're connecting + if (!this._reconnecting && + this._reconnection && + this.backoff.attempts === 0) { + // keeps reconnection from firing twice for the same reconnection loop + this.reconnect(); + } + } + /** + * Sets the current transport `socket`. + * + * @param {Function} fn - optional, callback + * @return self + * @public + */ + open(fn) { + debug("readyState %s", this._readyState); + if (~this._readyState.indexOf("open")) + return this; + debug("opening %s", this.uri); + this.engine = new engine_io_client_1.Socket(this.uri, this.opts); + const socket = this.engine; + const self = this; + this._readyState = "opening"; + this.skipReconnect = false; + // emit `open` + const openSubDestroy = on_js_1.on(socket, "open", function () { + self.onopen(); + fn && fn(); + }); + const onError = (err) => { + debug("error"); + this.cleanup(); + this._readyState = "closed"; + this.emitReserved("error", err); + if (fn) { + fn(err); + } + else { + // Only do this if there is no fn to handle the error + this.maybeReconnectOnOpen(); + } + }; + // emit `error` + const errorSub = on_js_1.on(socket, "error", onError); + if (false !== this._timeout) { + const timeout = this._timeout; + debug("connect attempt will timeout after %d", timeout); + // set timer + const timer = this.setTimeoutFn(() => { + debug("connect attempt timed out after %d", timeout); + openSubDestroy(); + onError(new Error("timeout")); + socket.close(); + }, timeout); + if (this.opts.autoUnref) { + timer.unref(); + } + this.subs.push(() => { + this.clearTimeoutFn(timer); + }); + } + this.subs.push(openSubDestroy); + this.subs.push(errorSub); + return this; + } + /** + * Alias for open() + * + * @return self + * @public + */ + connect(fn) { + return this.open(fn); + } + /** + * Called upon transport open. + * + * @private + */ + onopen() { + debug("open"); + // clear old subs + this.cleanup(); + // mark as open + this._readyState = "open"; + this.emitReserved("open"); + // add new subs + const socket = this.engine; + this.subs.push(on_js_1.on(socket, "ping", this.onping.bind(this)), on_js_1.on(socket, "data", this.ondata.bind(this)), on_js_1.on(socket, "error", this.onerror.bind(this)), on_js_1.on(socket, "close", this.onclose.bind(this)), on_js_1.on(this.decoder, "decoded", this.ondecoded.bind(this))); + } + /** + * Called upon a ping. + * + * @private + */ + onping() { + this.emitReserved("ping"); + } + /** + * Called with data. + * + * @private + */ + ondata(data) { + try { + this.decoder.add(data); + } + catch (e) { + this.onclose("parse error", e); + } + } + /** + * Called when parser fully decodes a packet. + * + * @private + */ + ondecoded(packet) { + // the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a "parse error" + engine_io_client_1.nextTick(() => { + this.emitReserved("packet", packet); + }, this.setTimeoutFn); + } + /** + * Called upon socket error. + * + * @private + */ + onerror(err) { + debug("error", err); + this.emitReserved("error", err); + } + /** + * Creates a new socket for the given `nsp`. + * + * @return {Socket} + * @public + */ + socket(nsp, opts) { + let socket = this.nsps[nsp]; + if (!socket) { + socket = new socket_js_1.Socket(this, nsp, opts); + this.nsps[nsp] = socket; + } + else if (this._autoConnect && !socket.active) { + socket.connect(); + } + return socket; + } + /** + * Called upon a socket close. + * + * @param socket + * @private + */ + _destroy(socket) { + const nsps = Object.keys(this.nsps); + for (const nsp of nsps) { + const socket = this.nsps[nsp]; + if (socket.active) { + debug("socket %s is still active, skipping close", nsp); + return; + } + } + this._close(); + } + /** + * Writes a packet. + * + * @param packet + * @private + */ + _packet(packet) { + debug("writing packet %j", packet); + const encodedPackets = this.encoder.encode(packet); + for (let i = 0; i < encodedPackets.length; i++) { + this.engine.write(encodedPackets[i], packet.options); + } + } + /** + * Clean up transport subscriptions and packet buffer. + * + * @private + */ + cleanup() { + debug("cleanup"); + this.subs.forEach((subDestroy) => subDestroy()); + this.subs.length = 0; + this.decoder.destroy(); + } + /** + * Close the current socket. + * + * @private + */ + _close() { + debug("disconnect"); + this.skipReconnect = true; + this._reconnecting = false; + this.onclose("forced close"); + if (this.engine) + this.engine.close(); + } + /** + * Alias for close() + * + * @private + */ + disconnect() { + return this._close(); + } + /** + * Called upon engine close. + * + * @private + */ + onclose(reason, description) { + debug("closed due to %s", reason); + this.cleanup(); + this.backoff.reset(); + this._readyState = "closed"; + this.emitReserved("close", reason, description); + if (this._reconnection && !this.skipReconnect) { + this.reconnect(); + } + } + /** + * Attempt a reconnection. + * + * @private + */ + reconnect() { + if (this._reconnecting || this.skipReconnect) + return this; + const self = this; + if (this.backoff.attempts >= this._reconnectionAttempts) { + debug("reconnect failed"); + this.backoff.reset(); + this.emitReserved("reconnect_failed"); + this._reconnecting = false; + } + else { + const delay = this.backoff.duration(); + debug("will wait %dms before reconnect attempt", delay); + this._reconnecting = true; + const timer = this.setTimeoutFn(() => { + if (self.skipReconnect) + return; + debug("attempting reconnect"); + this.emitReserved("reconnect_attempt", self.backoff.attempts); + // check again for the case socket closed in above events + if (self.skipReconnect) + return; + self.open((err) => { + if (err) { + debug("reconnect attempt error"); + self._reconnecting = false; + self.reconnect(); + this.emitReserved("reconnect_error", err); + } + else { + debug("reconnect success"); + self.onreconnect(); + } + }); + }, delay); + if (this.opts.autoUnref) { + timer.unref(); + } + this.subs.push(() => { + this.clearTimeoutFn(timer); + }); + } + } + /** + * Called upon successful reconnect. + * + * @private + */ + onreconnect() { + const attempt = this.backoff.attempts; + this._reconnecting = false; + this.backoff.reset(); + this.emitReserved("reconnect", attempt); + } +} +exports.Manager = Manager; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/on.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/cjs/on.d.ts new file mode 100644 index 00000000..41796347 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/cjs/on.d.ts @@ -0,0 +1,2 @@ +import { Emitter } from "@socket.io/component-emitter"; +export declare function on(obj: Emitter, ev: string, fn: (err?: any) => any): VoidFunction; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/on.js b/examples/axum-echo/node_modules/socket.io-client/build/cjs/on.js new file mode 100644 index 00000000..d0dab784 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/cjs/on.js @@ -0,0 +1,10 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.on = void 0; +function on(obj, ev, fn) { + obj.on(ev, fn); + return function subDestroy() { + obj.off(ev, fn); + }; +} +exports.on = on; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/socket.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/cjs/socket.d.ts new file mode 100644 index 00000000..b6137857 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/cjs/socket.d.ts @@ -0,0 +1,563 @@ +import { Packet } from "socket.io-parser"; +import { Manager } from "./manager.js"; +import { DefaultEventsMap, EventNames, EventParams, EventsMap, Emitter } from "@socket.io/component-emitter"; +declare type PrependTimeoutError = { + [K in keyof T]: T[K] extends (...args: infer Params) => infer Result ? (err: Error, ...args: Params) => Result : T[K]; +}; +/** + * Utility type to decorate the acknowledgement callbacks with a timeout error. + * + * This is needed because the timeout() flag breaks the symmetry between the sender and the receiver: + * + * @example + * interface Events { + * "my-event": (val: string) => void; + * } + * + * socket.on("my-event", (cb) => { + * cb("123"); // one single argument here + * }); + * + * socket.timeout(1000).emit("my-event", (err, val) => { + * // two arguments there (the "err" argument is not properly typed) + * }); + * + */ +export declare type DecorateAcknowledgements = { + [K in keyof E]: E[K] extends (...args: infer Params) => infer Result ? (...args: PrependTimeoutError) => Result : E[K]; +}; +export declare type Last = T extends [...infer H, infer L] ? L : any; +export declare type AllButLast = T extends [...infer H, infer L] ? H : any[]; +export declare type FirstArg = T extends (arg: infer Param) => infer Result ? Param : any; +export interface SocketOptions { + /** + * the authentication payload sent when connecting to the Namespace + */ + auth?: { + [key: string]: any; + } | ((cb: (data: object) => void) => void); + /** + * The maximum number of retries. Above the limit, the packet will be discarded. + * + * Using `Infinity` means the delivery guarantee is "at-least-once" (instead of "at-most-once" by default), but a + * smaller value like 10 should be sufficient in practice. + */ + retries?: number; + /** + * The default timeout in milliseconds used when waiting for an acknowledgement. + */ + ackTimeout?: number; +} +export declare type DisconnectDescription = Error | { + description: string; + context?: unknown; +}; +interface SocketReservedEvents { + connect: () => void; + connect_error: (err: Error) => void; + disconnect: (reason: Socket.DisconnectReason, description?: DisconnectDescription) => void; +} +/** + * A Socket is the fundamental class for interacting with the server. + * + * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate. + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log("connected"); + * }); + * + * // send an event to the server + * socket.emit("foo", "bar"); + * + * socket.on("foobar", () => { + * // an event was received from the server + * }); + * + * // upon disconnection + * socket.on("disconnect", (reason) => { + * console.log(`disconnected due to ${reason}`); + * }); + */ +export declare class Socket extends Emitter { + readonly io: Manager; + /** + * A unique identifier for the session. `undefined` when the socket is not connected. + * + * @example + * const socket = io(); + * + * console.log(socket.id); // undefined + * + * socket.on("connect", () => { + * console.log(socket.id); // "G5p5..." + * }); + */ + id: string | undefined; + /** + * The session ID used for connection state recovery, which must not be shared (unlike {@link id}). + * + * @private + */ + private _pid; + /** + * The offset of the last received packet, which will be sent upon reconnection to allow for the recovery of the connection state. + * + * @private + */ + private _lastOffset; + /** + * Whether the socket is currently connected to the server. + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log(socket.connected); // true + * }); + * + * socket.on("disconnect", () => { + * console.log(socket.connected); // false + * }); + */ + connected: boolean; + /** + * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will + * be transmitted by the server. + */ + recovered: boolean; + /** + * Credentials that are sent when accessing a namespace. + * + * @example + * const socket = io({ + * auth: { + * token: "abcd" + * } + * }); + * + * // or with a function + * const socket = io({ + * auth: (cb) => { + * cb({ token: localStorage.token }) + * } + * }); + */ + auth: { + [key: string]: any; + } | ((cb: (data: object) => void) => void); + /** + * Buffer for packets received before the CONNECT packet + */ + receiveBuffer: Array>; + /** + * Buffer for packets that will be sent once the socket is connected + */ + sendBuffer: Array; + /** + * The queue of packets to be sent with retry in case of failure. + * + * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order. + * @private + */ + private _queue; + /** + * A sequence to generate the ID of the {@link QueuedPacket}. + * @private + */ + private _queueSeq; + private readonly nsp; + private readonly _opts; + private ids; + private acks; + private flags; + private subs?; + private _anyListeners; + private _anyOutgoingListeners; + /** + * `Socket` constructor. + */ + constructor(io: Manager, nsp: string, opts?: Partial); + /** + * Whether the socket is currently disconnected + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log(socket.disconnected); // false + * }); + * + * socket.on("disconnect", () => { + * console.log(socket.disconnected); // true + * }); + */ + get disconnected(): boolean; + /** + * Subscribe to open, close and packet events + * + * @private + */ + private subEvents; + /** + * Whether the Socket will try to reconnect when its Manager connects or reconnects. + * + * @example + * const socket = io(); + * + * console.log(socket.active); // true + * + * socket.on("disconnect", (reason) => { + * if (reason === "io server disconnect") { + * // the disconnection was initiated by the server, you need to manually reconnect + * console.log(socket.active); // false + * } + * // else the socket will automatically try to reconnect + * console.log(socket.active); // true + * }); + */ + get active(): boolean; + /** + * "Opens" the socket. + * + * @example + * const socket = io({ + * autoConnect: false + * }); + * + * socket.connect(); + */ + connect(): this; + /** + * Alias for {@link connect()}. + */ + open(): this; + /** + * Sends a `message` event. + * + * This method mimics the WebSocket.send() method. + * + * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send + * + * @example + * socket.send("hello"); + * + * // this is equivalent to + * socket.emit("message", "hello"); + * + * @return self + */ + send(...args: any[]): this; + /** + * Override `emit`. + * If the event is in `events`, it's emitted normally. + * + * @example + * socket.emit("hello", "world"); + * + * // all serializable datastructures are supported (no need to call JSON.stringify) + * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) }); + * + * // with an acknowledgement from the server + * socket.emit("hello", "world", (val) => { + * // ... + * }); + * + * @return self + */ + emit>(ev: Ev, ...args: EventParams): this; + /** + * @private + */ + private _registerAckCallback; + /** + * Emits an event and waits for an acknowledgement + * + * @example + * // without timeout + * const response = await socket.emitWithAck("hello", "world"); + * + * // with a specific timeout + * try { + * const response = await socket.timeout(1000).emitWithAck("hello", "world"); + * } catch (err) { + * // the server did not acknowledge the event in the given delay + * } + * + * @return a Promise that will be fulfilled when the server acknowledges the event + */ + emitWithAck>(ev: Ev, ...args: AllButLast>): Promise>>>; + /** + * Add the packet to the queue. + * @param args + * @private + */ + private _addToQueue; + /** + * Send the first packet of the queue, and wait for an acknowledgement from the server. + * @param force - whether to resend a packet that has not been acknowledged yet + * + * @private + */ + private _drainQueue; + /** + * Sends a packet. + * + * @param packet + * @private + */ + private packet; + /** + * Called upon engine `open`. + * + * @private + */ + private onopen; + /** + * Sends a CONNECT packet to initiate the Socket.IO session. + * + * @param data + * @private + */ + private _sendConnectPacket; + /** + * Called upon engine or manager `error`. + * + * @param err + * @private + */ + private onerror; + /** + * Called upon engine `close`. + * + * @param reason + * @param description + * @private + */ + private onclose; + /** + * Called with socket packet. + * + * @param packet + * @private + */ + private onpacket; + /** + * Called upon a server event. + * + * @param packet + * @private + */ + private onevent; + private emitEvent; + /** + * Produces an ack callback to emit with an event. + * + * @private + */ + private ack; + /** + * Called upon a server acknowlegement. + * + * @param packet + * @private + */ + private onack; + /** + * Called upon server connect. + * + * @private + */ + private onconnect; + /** + * Emit buffered events (received and emitted). + * + * @private + */ + private emitBuffered; + /** + * Called upon server disconnect. + * + * @private + */ + private ondisconnect; + /** + * Called upon forced client/server side disconnections, + * this method ensures the manager stops tracking us and + * that reconnections don't get triggered for this. + * + * @private + */ + private destroy; + /** + * Disconnects the socket manually. In that case, the socket will not try to reconnect. + * + * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed. + * + * @example + * const socket = io(); + * + * socket.on("disconnect", (reason) => { + * // console.log(reason); prints "io client disconnect" + * }); + * + * socket.disconnect(); + * + * @return self + */ + disconnect(): this; + /** + * Alias for {@link disconnect()}. + * + * @return self + */ + close(): this; + /** + * Sets the compress flag. + * + * @example + * socket.compress(false).emit("hello"); + * + * @param compress - if `true`, compresses the sending data + * @return self + */ + compress(compress: boolean): this; + /** + * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not + * ready to send messages. + * + * @example + * socket.volatile.emit("hello"); // the server may or may not receive it + * + * @returns self + */ + get volatile(): this; + /** + * Sets a modifier for a subsequent event emission that the callback will be called with an error when the + * given number of milliseconds have elapsed without an acknowledgement from the server: + * + * @example + * socket.timeout(5000).emit("my-event", (err) => { + * if (err) { + * // the server did not acknowledge the event in the given delay + * } + * }); + * + * @returns self + */ + timeout(timeout: number): Socket>; + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. + * + * @example + * socket.onAny((event, ...args) => { + * console.log(`got ${event}`); + * }); + * + * @param listener + */ + onAny(listener: (...args: any[]) => void): this; + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. The listener is added to the beginning of the listeners array. + * + * @example + * socket.prependAny((event, ...args) => { + * console.log(`got event ${event}`); + * }); + * + * @param listener + */ + prependAny(listener: (...args: any[]) => void): this; + /** + * Removes the listener that will be fired when any event is emitted. + * + * @example + * const catchAllListener = (event, ...args) => { + * console.log(`got event ${event}`); + * } + * + * socket.onAny(catchAllListener); + * + * // remove a specific listener + * socket.offAny(catchAllListener); + * + * // or remove all listeners + * socket.offAny(); + * + * @param listener + */ + offAny(listener?: (...args: any[]) => void): this; + /** + * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, + * e.g. to remove listeners. + */ + listenersAny(): ((...args: any[]) => void)[]; + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. + * + * Note: acknowledgements sent to the server are not included. + * + * @example + * socket.onAnyOutgoing((event, ...args) => { + * console.log(`sent event ${event}`); + * }); + * + * @param listener + */ + onAnyOutgoing(listener: (...args: any[]) => void): this; + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. The listener is added to the beginning of the listeners array. + * + * Note: acknowledgements sent to the server are not included. + * + * @example + * socket.prependAnyOutgoing((event, ...args) => { + * console.log(`sent event ${event}`); + * }); + * + * @param listener + */ + prependAnyOutgoing(listener: (...args: any[]) => void): this; + /** + * Removes the listener that will be fired when any event is emitted. + * + * @example + * const catchAllListener = (event, ...args) => { + * console.log(`sent event ${event}`); + * } + * + * socket.onAnyOutgoing(catchAllListener); + * + * // remove a specific listener + * socket.offAnyOutgoing(catchAllListener); + * + * // or remove all listeners + * socket.offAnyOutgoing(); + * + * @param [listener] - the catch-all listener (optional) + */ + offAnyOutgoing(listener?: (...args: any[]) => void): this; + /** + * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, + * e.g. to remove listeners. + */ + listenersAnyOutgoing(): ((...args: any[]) => void)[]; + /** + * Notify the listeners for each packet sent + * + * @param packet + * + * @private + */ + private notifyOutgoingListeners; +} +export declare namespace Socket { + type DisconnectReason = "io server disconnect" | "io client disconnect" | "ping timeout" | "transport close" | "transport error" | "parse error"; +} +export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/socket.js b/examples/axum-echo/node_modules/socket.io-client/build/cjs/socket.js new file mode 100644 index 00000000..d592b46a --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/cjs/socket.js @@ -0,0 +1,866 @@ +"use strict"; +var __importDefault = (this && this.__importDefault) || function (mod) { + return (mod && mod.__esModule) ? mod : { "default": mod }; +}; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.Socket = void 0; +const socket_io_parser_1 = require("socket.io-parser"); +const on_js_1 = require("./on.js"); +const component_emitter_1 = require("@socket.io/component-emitter"); +const debug_1 = __importDefault(require("debug")); // debug() +const debug = debug_1.default("socket.io-client:socket"); // debug() +/** + * Internal events. + * These events can't be emitted by the user. + */ +const RESERVED_EVENTS = Object.freeze({ + connect: 1, + connect_error: 1, + disconnect: 1, + disconnecting: 1, + // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener + newListener: 1, + removeListener: 1, +}); +/** + * A Socket is the fundamental class for interacting with the server. + * + * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate. + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log("connected"); + * }); + * + * // send an event to the server + * socket.emit("foo", "bar"); + * + * socket.on("foobar", () => { + * // an event was received from the server + * }); + * + * // upon disconnection + * socket.on("disconnect", (reason) => { + * console.log(`disconnected due to ${reason}`); + * }); + */ +class Socket extends component_emitter_1.Emitter { + /** + * `Socket` constructor. + */ + constructor(io, nsp, opts) { + super(); + /** + * Whether the socket is currently connected to the server. + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log(socket.connected); // true + * }); + * + * socket.on("disconnect", () => { + * console.log(socket.connected); // false + * }); + */ + this.connected = false; + /** + * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will + * be transmitted by the server. + */ + this.recovered = false; + /** + * Buffer for packets received before the CONNECT packet + */ + this.receiveBuffer = []; + /** + * Buffer for packets that will be sent once the socket is connected + */ + this.sendBuffer = []; + /** + * The queue of packets to be sent with retry in case of failure. + * + * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order. + * @private + */ + this._queue = []; + /** + * A sequence to generate the ID of the {@link QueuedPacket}. + * @private + */ + this._queueSeq = 0; + this.ids = 0; + this.acks = {}; + this.flags = {}; + this.io = io; + this.nsp = nsp; + if (opts && opts.auth) { + this.auth = opts.auth; + } + this._opts = Object.assign({}, opts); + if (this.io._autoConnect) + this.open(); + } + /** + * Whether the socket is currently disconnected + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log(socket.disconnected); // false + * }); + * + * socket.on("disconnect", () => { + * console.log(socket.disconnected); // true + * }); + */ + get disconnected() { + return !this.connected; + } + /** + * Subscribe to open, close and packet events + * + * @private + */ + subEvents() { + if (this.subs) + return; + const io = this.io; + this.subs = [ + on_js_1.on(io, "open", this.onopen.bind(this)), + on_js_1.on(io, "packet", this.onpacket.bind(this)), + on_js_1.on(io, "error", this.onerror.bind(this)), + on_js_1.on(io, "close", this.onclose.bind(this)), + ]; + } + /** + * Whether the Socket will try to reconnect when its Manager connects or reconnects. + * + * @example + * const socket = io(); + * + * console.log(socket.active); // true + * + * socket.on("disconnect", (reason) => { + * if (reason === "io server disconnect") { + * // the disconnection was initiated by the server, you need to manually reconnect + * console.log(socket.active); // false + * } + * // else the socket will automatically try to reconnect + * console.log(socket.active); // true + * }); + */ + get active() { + return !!this.subs; + } + /** + * "Opens" the socket. + * + * @example + * const socket = io({ + * autoConnect: false + * }); + * + * socket.connect(); + */ + connect() { + if (this.connected) + return this; + this.subEvents(); + if (!this.io["_reconnecting"]) + this.io.open(); // ensure open + if ("open" === this.io._readyState) + this.onopen(); + return this; + } + /** + * Alias for {@link connect()}. + */ + open() { + return this.connect(); + } + /** + * Sends a `message` event. + * + * This method mimics the WebSocket.send() method. + * + * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send + * + * @example + * socket.send("hello"); + * + * // this is equivalent to + * socket.emit("message", "hello"); + * + * @return self + */ + send(...args) { + args.unshift("message"); + this.emit.apply(this, args); + return this; + } + /** + * Override `emit`. + * If the event is in `events`, it's emitted normally. + * + * @example + * socket.emit("hello", "world"); + * + * // all serializable datastructures are supported (no need to call JSON.stringify) + * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) }); + * + * // with an acknowledgement from the server + * socket.emit("hello", "world", (val) => { + * // ... + * }); + * + * @return self + */ + emit(ev, ...args) { + if (RESERVED_EVENTS.hasOwnProperty(ev)) { + throw new Error('"' + ev.toString() + '" is a reserved event name'); + } + args.unshift(ev); + if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) { + this._addToQueue(args); + return this; + } + const packet = { + type: socket_io_parser_1.PacketType.EVENT, + data: args, + }; + packet.options = {}; + packet.options.compress = this.flags.compress !== false; + // event ack callback + if ("function" === typeof args[args.length - 1]) { + const id = this.ids++; + debug("emitting packet with ack id %d", id); + const ack = args.pop(); + this._registerAckCallback(id, ack); + packet.id = id; + } + const isTransportWritable = this.io.engine && + this.io.engine.transport && + this.io.engine.transport.writable; + const discardPacket = this.flags.volatile && (!isTransportWritable || !this.connected); + if (discardPacket) { + debug("discard packet as the transport is not currently writable"); + } + else if (this.connected) { + this.notifyOutgoingListeners(packet); + this.packet(packet); + } + else { + this.sendBuffer.push(packet); + } + this.flags = {}; + return this; + } + /** + * @private + */ + _registerAckCallback(id, ack) { + var _a; + const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout; + if (timeout === undefined) { + this.acks[id] = ack; + return; + } + // @ts-ignore + const timer = this.io.setTimeoutFn(() => { + delete this.acks[id]; + for (let i = 0; i < this.sendBuffer.length; i++) { + if (this.sendBuffer[i].id === id) { + debug("removing packet with ack id %d from the buffer", id); + this.sendBuffer.splice(i, 1); + } + } + debug("event with ack id %d has timed out after %d ms", id, timeout); + ack.call(this, new Error("operation has timed out")); + }, timeout); + this.acks[id] = (...args) => { + // @ts-ignore + this.io.clearTimeoutFn(timer); + ack.apply(this, [null, ...args]); + }; + } + /** + * Emits an event and waits for an acknowledgement + * + * @example + * // without timeout + * const response = await socket.emitWithAck("hello", "world"); + * + * // with a specific timeout + * try { + * const response = await socket.timeout(1000).emitWithAck("hello", "world"); + * } catch (err) { + * // the server did not acknowledge the event in the given delay + * } + * + * @return a Promise that will be fulfilled when the server acknowledges the event + */ + emitWithAck(ev, ...args) { + // the timeout flag is optional + const withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined; + return new Promise((resolve, reject) => { + args.push((arg1, arg2) => { + if (withErr) { + return arg1 ? reject(arg1) : resolve(arg2); + } + else { + return resolve(arg1); + } + }); + this.emit(ev, ...args); + }); + } + /** + * Add the packet to the queue. + * @param args + * @private + */ + _addToQueue(args) { + let ack; + if (typeof args[args.length - 1] === "function") { + ack = args.pop(); + } + const packet = { + id: this._queueSeq++, + tryCount: 0, + pending: false, + args, + flags: Object.assign({ fromQueue: true }, this.flags), + }; + args.push((err, ...responseArgs) => { + if (packet !== this._queue[0]) { + // the packet has already been acknowledged + return; + } + const hasError = err !== null; + if (hasError) { + if (packet.tryCount > this._opts.retries) { + debug("packet [%d] is discarded after %d tries", packet.id, packet.tryCount); + this._queue.shift(); + if (ack) { + ack(err); + } + } + } + else { + debug("packet [%d] was successfully sent", packet.id); + this._queue.shift(); + if (ack) { + ack(null, ...responseArgs); + } + } + packet.pending = false; + return this._drainQueue(); + }); + this._queue.push(packet); + this._drainQueue(); + } + /** + * Send the first packet of the queue, and wait for an acknowledgement from the server. + * @param force - whether to resend a packet that has not been acknowledged yet + * + * @private + */ + _drainQueue(force = false) { + debug("draining queue"); + if (!this.connected || this._queue.length === 0) { + return; + } + const packet = this._queue[0]; + if (packet.pending && !force) { + debug("packet [%d] has already been sent and is waiting for an ack", packet.id); + return; + } + packet.pending = true; + packet.tryCount++; + debug("sending packet [%d] (try n°%d)", packet.id, packet.tryCount); + this.flags = packet.flags; + this.emit.apply(this, packet.args); + } + /** + * Sends a packet. + * + * @param packet + * @private + */ + packet(packet) { + packet.nsp = this.nsp; + this.io._packet(packet); + } + /** + * Called upon engine `open`. + * + * @private + */ + onopen() { + debug("transport is open - connecting"); + if (typeof this.auth == "function") { + this.auth((data) => { + this._sendConnectPacket(data); + }); + } + else { + this._sendConnectPacket(this.auth); + } + } + /** + * Sends a CONNECT packet to initiate the Socket.IO session. + * + * @param data + * @private + */ + _sendConnectPacket(data) { + this.packet({ + type: socket_io_parser_1.PacketType.CONNECT, + data: this._pid + ? Object.assign({ pid: this._pid, offset: this._lastOffset }, data) + : data, + }); + } + /** + * Called upon engine or manager `error`. + * + * @param err + * @private + */ + onerror(err) { + if (!this.connected) { + this.emitReserved("connect_error", err); + } + } + /** + * Called upon engine `close`. + * + * @param reason + * @param description + * @private + */ + onclose(reason, description) { + debug("close (%s)", reason); + this.connected = false; + delete this.id; + this.emitReserved("disconnect", reason, description); + } + /** + * Called with socket packet. + * + * @param packet + * @private + */ + onpacket(packet) { + const sameNamespace = packet.nsp === this.nsp; + if (!sameNamespace) + return; + switch (packet.type) { + case socket_io_parser_1.PacketType.CONNECT: + if (packet.data && packet.data.sid) { + this.onconnect(packet.data.sid, packet.data.pid); + } + else { + this.emitReserved("connect_error", new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)")); + } + break; + case socket_io_parser_1.PacketType.EVENT: + case socket_io_parser_1.PacketType.BINARY_EVENT: + this.onevent(packet); + break; + case socket_io_parser_1.PacketType.ACK: + case socket_io_parser_1.PacketType.BINARY_ACK: + this.onack(packet); + break; + case socket_io_parser_1.PacketType.DISCONNECT: + this.ondisconnect(); + break; + case socket_io_parser_1.PacketType.CONNECT_ERROR: + this.destroy(); + const err = new Error(packet.data.message); + // @ts-ignore + err.data = packet.data.data; + this.emitReserved("connect_error", err); + break; + } + } + /** + * Called upon a server event. + * + * @param packet + * @private + */ + onevent(packet) { + const args = packet.data || []; + debug("emitting event %j", args); + if (null != packet.id) { + debug("attaching ack callback to event"); + args.push(this.ack(packet.id)); + } + if (this.connected) { + this.emitEvent(args); + } + else { + this.receiveBuffer.push(Object.freeze(args)); + } + } + emitEvent(args) { + if (this._anyListeners && this._anyListeners.length) { + const listeners = this._anyListeners.slice(); + for (const listener of listeners) { + listener.apply(this, args); + } + } + super.emit.apply(this, args); + if (this._pid && args.length && typeof args[args.length - 1] === "string") { + this._lastOffset = args[args.length - 1]; + } + } + /** + * Produces an ack callback to emit with an event. + * + * @private + */ + ack(id) { + const self = this; + let sent = false; + return function (...args) { + // prevent double callbacks + if (sent) + return; + sent = true; + debug("sending ack %j", args); + self.packet({ + type: socket_io_parser_1.PacketType.ACK, + id: id, + data: args, + }); + }; + } + /** + * Called upon a server acknowlegement. + * + * @param packet + * @private + */ + onack(packet) { + const ack = this.acks[packet.id]; + if ("function" === typeof ack) { + debug("calling ack %s with %j", packet.id, packet.data); + ack.apply(this, packet.data); + delete this.acks[packet.id]; + } + else { + debug("bad ack %s", packet.id); + } + } + /** + * Called upon server connect. + * + * @private + */ + onconnect(id, pid) { + debug("socket connected with id %s", id); + this.id = id; + this.recovered = pid && this._pid === pid; + this._pid = pid; // defined only if connection state recovery is enabled + this.connected = true; + this.emitBuffered(); + this.emitReserved("connect"); + this._drainQueue(true); + } + /** + * Emit buffered events (received and emitted). + * + * @private + */ + emitBuffered() { + this.receiveBuffer.forEach((args) => this.emitEvent(args)); + this.receiveBuffer = []; + this.sendBuffer.forEach((packet) => { + this.notifyOutgoingListeners(packet); + this.packet(packet); + }); + this.sendBuffer = []; + } + /** + * Called upon server disconnect. + * + * @private + */ + ondisconnect() { + debug("server disconnect (%s)", this.nsp); + this.destroy(); + this.onclose("io server disconnect"); + } + /** + * Called upon forced client/server side disconnections, + * this method ensures the manager stops tracking us and + * that reconnections don't get triggered for this. + * + * @private + */ + destroy() { + if (this.subs) { + // clean subscriptions to avoid reconnections + this.subs.forEach((subDestroy) => subDestroy()); + this.subs = undefined; + } + this.io["_destroy"](this); + } + /** + * Disconnects the socket manually. In that case, the socket will not try to reconnect. + * + * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed. + * + * @example + * const socket = io(); + * + * socket.on("disconnect", (reason) => { + * // console.log(reason); prints "io client disconnect" + * }); + * + * socket.disconnect(); + * + * @return self + */ + disconnect() { + if (this.connected) { + debug("performing disconnect (%s)", this.nsp); + this.packet({ type: socket_io_parser_1.PacketType.DISCONNECT }); + } + // remove socket from pool + this.destroy(); + if (this.connected) { + // fire events + this.onclose("io client disconnect"); + } + return this; + } + /** + * Alias for {@link disconnect()}. + * + * @return self + */ + close() { + return this.disconnect(); + } + /** + * Sets the compress flag. + * + * @example + * socket.compress(false).emit("hello"); + * + * @param compress - if `true`, compresses the sending data + * @return self + */ + compress(compress) { + this.flags.compress = compress; + return this; + } + /** + * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not + * ready to send messages. + * + * @example + * socket.volatile.emit("hello"); // the server may or may not receive it + * + * @returns self + */ + get volatile() { + this.flags.volatile = true; + return this; + } + /** + * Sets a modifier for a subsequent event emission that the callback will be called with an error when the + * given number of milliseconds have elapsed without an acknowledgement from the server: + * + * @example + * socket.timeout(5000).emit("my-event", (err) => { + * if (err) { + * // the server did not acknowledge the event in the given delay + * } + * }); + * + * @returns self + */ + timeout(timeout) { + this.flags.timeout = timeout; + return this; + } + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. + * + * @example + * socket.onAny((event, ...args) => { + * console.log(`got ${event}`); + * }); + * + * @param listener + */ + onAny(listener) { + this._anyListeners = this._anyListeners || []; + this._anyListeners.push(listener); + return this; + } + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. The listener is added to the beginning of the listeners array. + * + * @example + * socket.prependAny((event, ...args) => { + * console.log(`got event ${event}`); + * }); + * + * @param listener + */ + prependAny(listener) { + this._anyListeners = this._anyListeners || []; + this._anyListeners.unshift(listener); + return this; + } + /** + * Removes the listener that will be fired when any event is emitted. + * + * @example + * const catchAllListener = (event, ...args) => { + * console.log(`got event ${event}`); + * } + * + * socket.onAny(catchAllListener); + * + * // remove a specific listener + * socket.offAny(catchAllListener); + * + * // or remove all listeners + * socket.offAny(); + * + * @param listener + */ + offAny(listener) { + if (!this._anyListeners) { + return this; + } + if (listener) { + const listeners = this._anyListeners; + for (let i = 0; i < listeners.length; i++) { + if (listener === listeners[i]) { + listeners.splice(i, 1); + return this; + } + } + } + else { + this._anyListeners = []; + } + return this; + } + /** + * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, + * e.g. to remove listeners. + */ + listenersAny() { + return this._anyListeners || []; + } + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. + * + * Note: acknowledgements sent to the server are not included. + * + * @example + * socket.onAnyOutgoing((event, ...args) => { + * console.log(`sent event ${event}`); + * }); + * + * @param listener + */ + onAnyOutgoing(listener) { + this._anyOutgoingListeners = this._anyOutgoingListeners || []; + this._anyOutgoingListeners.push(listener); + return this; + } + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. The listener is added to the beginning of the listeners array. + * + * Note: acknowledgements sent to the server are not included. + * + * @example + * socket.prependAnyOutgoing((event, ...args) => { + * console.log(`sent event ${event}`); + * }); + * + * @param listener + */ + prependAnyOutgoing(listener) { + this._anyOutgoingListeners = this._anyOutgoingListeners || []; + this._anyOutgoingListeners.unshift(listener); + return this; + } + /** + * Removes the listener that will be fired when any event is emitted. + * + * @example + * const catchAllListener = (event, ...args) => { + * console.log(`sent event ${event}`); + * } + * + * socket.onAnyOutgoing(catchAllListener); + * + * // remove a specific listener + * socket.offAnyOutgoing(catchAllListener); + * + * // or remove all listeners + * socket.offAnyOutgoing(); + * + * @param [listener] - the catch-all listener (optional) + */ + offAnyOutgoing(listener) { + if (!this._anyOutgoingListeners) { + return this; + } + if (listener) { + const listeners = this._anyOutgoingListeners; + for (let i = 0; i < listeners.length; i++) { + if (listener === listeners[i]) { + listeners.splice(i, 1); + return this; + } + } + } + else { + this._anyOutgoingListeners = []; + } + return this; + } + /** + * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, + * e.g. to remove listeners. + */ + listenersAnyOutgoing() { + return this._anyOutgoingListeners || []; + } + /** + * Notify the listeners for each packet sent + * + * @param packet + * + * @private + */ + notifyOutgoingListeners(packet) { + if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) { + const listeners = this._anyOutgoingListeners.slice(); + for (const listener of listeners) { + listener.apply(this, packet.data); + } + } + } +} +exports.Socket = Socket; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/url.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/cjs/url.d.ts new file mode 100644 index 00000000..d2d669e6 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/cjs/url.d.ts @@ -0,0 +1,33 @@ +declare type ParsedUrl = { + source: string; + protocol: string; + authority: string; + userInfo: string; + user: string; + password: string; + host: string; + port: string; + relative: string; + path: string; + directory: string; + file: string; + query: string; + anchor: string; + pathNames: Array; + queryKey: { + [key: string]: string; + }; + id: string; + href: string; +}; +/** + * URL parser. + * + * @param uri - url + * @param path - the request path of the connection + * @param loc - An object meant to mimic window.location. + * Defaults to window.location. + * @public + */ +export declare function url(uri: string | ParsedUrl, path?: string, loc?: Location): ParsedUrl; +export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/url.js b/examples/axum-echo/node_modules/socket.io-client/build/cjs/url.js new file mode 100644 index 00000000..b763b702 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/cjs/url.js @@ -0,0 +1,70 @@ +"use strict"; +var __importDefault = (this && this.__importDefault) || function (mod) { + return (mod && mod.__esModule) ? mod : { "default": mod }; +}; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.url = void 0; +const engine_io_client_1 = require("engine.io-client"); +const debug_1 = __importDefault(require("debug")); // debug() +const debug = debug_1.default("socket.io-client:url"); // debug() +/** + * URL parser. + * + * @param uri - url + * @param path - the request path of the connection + * @param loc - An object meant to mimic window.location. + * Defaults to window.location. + * @public + */ +function url(uri, path = "", loc) { + let obj = uri; + // default to window.location + loc = loc || (typeof location !== "undefined" && location); + if (null == uri) + uri = loc.protocol + "//" + loc.host; + // relative path support + if (typeof uri === "string") { + if ("/" === uri.charAt(0)) { + if ("/" === uri.charAt(1)) { + uri = loc.protocol + uri; + } + else { + uri = loc.host + uri; + } + } + if (!/^(https?|wss?):\/\//.test(uri)) { + debug("protocol-less url %s", uri); + if ("undefined" !== typeof loc) { + uri = loc.protocol + "//" + uri; + } + else { + uri = "https://" + uri; + } + } + // parse + debug("parse %s", uri); + obj = engine_io_client_1.parse(uri); + } + // make sure we treat `localhost:80` and `localhost` equally + if (!obj.port) { + if (/^(http|ws)$/.test(obj.protocol)) { + obj.port = "80"; + } + else if (/^(http|ws)s$/.test(obj.protocol)) { + obj.port = "443"; + } + } + obj.path = obj.path || "/"; + const ipv6 = obj.host.indexOf(":") !== -1; + const host = ipv6 ? "[" + obj.host + "]" : obj.host; + // define unique id + obj.id = obj.protocol + "://" + host + ":" + obj.port + path; + // define href + obj.href = + obj.protocol + + "://" + + host + + (loc && loc.port === obj.port ? "" : ":" + obj.port); + return obj; +} +exports.url = url; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/browser-entrypoint.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/browser-entrypoint.d.ts new file mode 100644 index 00000000..18fe370b --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/browser-entrypoint.d.ts @@ -0,0 +1,2 @@ +import { io } from "./index.js"; +export default io; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/browser-entrypoint.js b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/browser-entrypoint.js new file mode 100644 index 00000000..18fe370b --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/browser-entrypoint.js @@ -0,0 +1,2 @@ +import { io } from "./index.js"; +export default io; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/contrib/backo2.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/contrib/backo2.d.ts new file mode 100644 index 00000000..644c7351 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/contrib/backo2.d.ts @@ -0,0 +1,12 @@ +/** + * Initialize backoff timer with `opts`. + * + * - `min` initial timeout in milliseconds [100] + * - `max` max timeout [10000] + * - `jitter` [0] + * - `factor` [2] + * + * @param {Object} opts + * @api public + */ +export declare function Backoff(opts: any): void; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/contrib/backo2.js b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/contrib/backo2.js new file mode 100644 index 00000000..8f42c103 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/contrib/backo2.js @@ -0,0 +1,66 @@ +/** + * Initialize backoff timer with `opts`. + * + * - `min` initial timeout in milliseconds [100] + * - `max` max timeout [10000] + * - `jitter` [0] + * - `factor` [2] + * + * @param {Object} opts + * @api public + */ +export function Backoff(opts) { + opts = opts || {}; + this.ms = opts.min || 100; + this.max = opts.max || 10000; + this.factor = opts.factor || 2; + this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0; + this.attempts = 0; +} +/** + * Return the backoff duration. + * + * @return {Number} + * @api public + */ +Backoff.prototype.duration = function () { + var ms = this.ms * Math.pow(this.factor, this.attempts++); + if (this.jitter) { + var rand = Math.random(); + var deviation = Math.floor(rand * this.jitter * ms); + ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation; + } + return Math.min(ms, this.max) | 0; +}; +/** + * Reset the number of attempts. + * + * @api public + */ +Backoff.prototype.reset = function () { + this.attempts = 0; +}; +/** + * Set the minimum duration + * + * @api public + */ +Backoff.prototype.setMin = function (min) { + this.ms = min; +}; +/** + * Set the maximum duration + * + * @api public + */ +Backoff.prototype.setMax = function (max) { + this.max = max; +}; +/** + * Set the jitter + * + * @api public + */ +Backoff.prototype.setJitter = function (jitter) { + this.jitter = jitter; +}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/index.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/index.d.ts new file mode 100644 index 00000000..adfed240 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/index.d.ts @@ -0,0 +1,28 @@ +import { Manager, ManagerOptions } from "./manager.js"; +import { Socket, SocketOptions } from "./socket.js"; +/** + * Looks up an existing `Manager` for multiplexing. + * If the user summons: + * + * `io('http://localhost/a');` + * `io('http://localhost/b');` + * + * We reuse the existing instance based on same scheme/port/host, + * and we initialize sockets for each namespace. + * + * @public + */ +declare function lookup(opts?: Partial): Socket; +declare function lookup(uri: string, opts?: Partial): Socket; +/** + * Protocol version. + * + * @public + */ +export { protocol } from "socket.io-parser"; +/** + * Expose constructors for standalone build. + * + * @public + */ +export { Manager, ManagerOptions, Socket, SocketOptions, lookup as io, lookup as connect, lookup as default, }; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/index.js b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/index.js new file mode 100644 index 00000000..6228b087 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/index.js @@ -0,0 +1,61 @@ +import { url } from "./url.js"; +import { Manager } from "./manager.js"; +import { Socket } from "./socket.js"; +import debugModule from "debug"; // debug() +const debug = debugModule("socket.io-client"); // debug() +/** + * Managers cache. + */ +const cache = {}; +function lookup(uri, opts) { + if (typeof uri === "object") { + opts = uri; + uri = undefined; + } + opts = opts || {}; + const parsed = url(uri, opts.path || "/socket.io"); + const source = parsed.source; + const id = parsed.id; + const path = parsed.path; + const sameNamespace = cache[id] && path in cache[id]["nsps"]; + const newConnection = opts.forceNew || + opts["force new connection"] || + false === opts.multiplex || + sameNamespace; + let io; + if (newConnection) { + debug("ignoring socket cache for %s", source); + io = new Manager(source, opts); + } + else { + if (!cache[id]) { + debug("new io instance for %s", source); + cache[id] = new Manager(source, opts); + } + io = cache[id]; + } + if (parsed.query && !opts.query) { + opts.query = parsed.queryKey; + } + return io.socket(parsed.path, opts); +} +// so that "lookup" can be used both as a function (e.g. `io(...)`) and as a +// namespace (e.g. `io.connect(...)`), for backward compatibility +Object.assign(lookup, { + Manager, + Socket, + io: lookup, + connect: lookup, +}); +/** + * Protocol version. + * + * @public + */ +export { protocol } from "socket.io-parser"; +/** + * Expose constructors for standalone build. + * + * @public + */ +export { Manager, Socket, lookup as io, lookup as connect, lookup as default, }; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/manager.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/manager.d.ts new file mode 100644 index 00000000..cb5dbb1e --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/manager.d.ts @@ -0,0 +1,291 @@ +import { Socket as Engine, SocketOptions as EngineOptions } from "engine.io-client"; +import { Socket, SocketOptions, DisconnectDescription } from "./socket.js"; +import { Packet } from "socket.io-parser"; +import { DefaultEventsMap, EventsMap, Emitter } from "@socket.io/component-emitter"; +export interface ManagerOptions extends EngineOptions { + /** + * Should we force a new Manager for this connection? + * @default false + */ + forceNew: boolean; + /** + * Should we multiplex our connection (reuse existing Manager) ? + * @default true + */ + multiplex: boolean; + /** + * The path to get our client file from, in the case of the server + * serving it + * @default '/socket.io' + */ + path: string; + /** + * Should we allow reconnections? + * @default true + */ + reconnection: boolean; + /** + * How many reconnection attempts should we try? + * @default Infinity + */ + reconnectionAttempts: number; + /** + * The time delay in milliseconds between reconnection attempts + * @default 1000 + */ + reconnectionDelay: number; + /** + * The max time delay in milliseconds between reconnection attempts + * @default 5000 + */ + reconnectionDelayMax: number; + /** + * Used in the exponential backoff jitter when reconnecting + * @default 0.5 + */ + randomizationFactor: number; + /** + * The timeout in milliseconds for our connection attempt + * @default 20000 + */ + timeout: number; + /** + * Should we automatically connect? + * @default true + */ + autoConnect: boolean; + /** + * the parser to use. Defaults to an instance of the Parser that ships with socket.io. + */ + parser: any; +} +interface ManagerReservedEvents { + open: () => void; + error: (err: Error) => void; + ping: () => void; + packet: (packet: Packet) => void; + close: (reason: string, description?: DisconnectDescription) => void; + reconnect_failed: () => void; + reconnect_attempt: (attempt: number) => void; + reconnect_error: (err: Error) => void; + reconnect: (attempt: number) => void; +} +export declare class Manager extends Emitter<{}, {}, ManagerReservedEvents> { + /** + * The Engine.IO client instance + * + * @public + */ + engine: Engine; + /** + * @private + */ + _autoConnect: boolean; + /** + * @private + */ + _readyState: "opening" | "open" | "closed"; + /** + * @private + */ + _reconnecting: boolean; + private readonly uri; + opts: Partial; + private nsps; + private subs; + private backoff; + private setTimeoutFn; + private clearTimeoutFn; + private _reconnection; + private _reconnectionAttempts; + private _reconnectionDelay; + private _randomizationFactor; + private _reconnectionDelayMax; + private _timeout; + private encoder; + private decoder; + private skipReconnect; + /** + * `Manager` constructor. + * + * @param uri - engine instance or engine uri/opts + * @param opts - options + * @public + */ + constructor(opts: Partial); + constructor(uri?: string, opts?: Partial); + constructor(uri?: string | Partial, opts?: Partial); + /** + * Sets the `reconnection` config. + * + * @param {Boolean} v - true/false if it should automatically reconnect + * @return {Manager} self or value + * @public + */ + reconnection(v: boolean): this; + reconnection(): boolean; + reconnection(v?: boolean): this | boolean; + /** + * Sets the reconnection attempts config. + * + * @param {Number} v - max reconnection attempts before giving up + * @return {Manager} self or value + * @public + */ + reconnectionAttempts(v: number): this; + reconnectionAttempts(): number; + reconnectionAttempts(v?: number): this | number; + /** + * Sets the delay between reconnections. + * + * @param {Number} v - delay + * @return {Manager} self or value + * @public + */ + reconnectionDelay(v: number): this; + reconnectionDelay(): number; + reconnectionDelay(v?: number): this | number; + /** + * Sets the randomization factor + * + * @param v - the randomization factor + * @return self or value + * @public + */ + randomizationFactor(v: number): this; + randomizationFactor(): number; + randomizationFactor(v?: number): this | number; + /** + * Sets the maximum delay between reconnections. + * + * @param v - delay + * @return self or value + * @public + */ + reconnectionDelayMax(v: number): this; + reconnectionDelayMax(): number; + reconnectionDelayMax(v?: number): this | number; + /** + * Sets the connection timeout. `false` to disable + * + * @param v - connection timeout + * @return self or value + * @public + */ + timeout(v: number | boolean): this; + timeout(): number | boolean; + timeout(v?: number | boolean): this | number | boolean; + /** + * Starts trying to reconnect if reconnection is enabled and we have not + * started reconnecting yet + * + * @private + */ + private maybeReconnectOnOpen; + /** + * Sets the current transport `socket`. + * + * @param {Function} fn - optional, callback + * @return self + * @public + */ + open(fn?: (err?: Error) => void): this; + /** + * Alias for open() + * + * @return self + * @public + */ + connect(fn?: (err?: Error) => void): this; + /** + * Called upon transport open. + * + * @private + */ + private onopen; + /** + * Called upon a ping. + * + * @private + */ + private onping; + /** + * Called with data. + * + * @private + */ + private ondata; + /** + * Called when parser fully decodes a packet. + * + * @private + */ + private ondecoded; + /** + * Called upon socket error. + * + * @private + */ + private onerror; + /** + * Creates a new socket for the given `nsp`. + * + * @return {Socket} + * @public + */ + socket(nsp: string, opts?: Partial): Socket; + /** + * Called upon a socket close. + * + * @param socket + * @private + */ + _destroy(socket: Socket): void; + /** + * Writes a packet. + * + * @param packet + * @private + */ + _packet(packet: Partial): void; + /** + * Clean up transport subscriptions and packet buffer. + * + * @private + */ + private cleanup; + /** + * Close the current socket. + * + * @private + */ + _close(): void; + /** + * Alias for close() + * + * @private + */ + private disconnect; + /** + * Called upon engine close. + * + * @private + */ + private onclose; + /** + * Attempt a reconnection. + * + * @private + */ + private reconnect; + /** + * Called upon successful reconnect. + * + * @private + */ + private onreconnect; +} +export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/manager.js b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/manager.js new file mode 100644 index 00000000..29be80e5 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/manager.js @@ -0,0 +1,377 @@ +import { Socket as Engine, installTimerFunctions, nextTick, } from "engine.io-client"; +import { Socket } from "./socket.js"; +import * as parser from "socket.io-parser"; +import { on } from "./on.js"; +import { Backoff } from "./contrib/backo2.js"; +import { Emitter, } from "@socket.io/component-emitter"; +import debugModule from "debug"; // debug() +const debug = debugModule("socket.io-client:manager"); // debug() +export class Manager extends Emitter { + constructor(uri, opts) { + var _a; + super(); + this.nsps = {}; + this.subs = []; + if (uri && "object" === typeof uri) { + opts = uri; + uri = undefined; + } + opts = opts || {}; + opts.path = opts.path || "/socket.io"; + this.opts = opts; + installTimerFunctions(this, opts); + this.reconnection(opts.reconnection !== false); + this.reconnectionAttempts(opts.reconnectionAttempts || Infinity); + this.reconnectionDelay(opts.reconnectionDelay || 1000); + this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000); + this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5); + this.backoff = new Backoff({ + min: this.reconnectionDelay(), + max: this.reconnectionDelayMax(), + jitter: this.randomizationFactor(), + }); + this.timeout(null == opts.timeout ? 20000 : opts.timeout); + this._readyState = "closed"; + this.uri = uri; + const _parser = opts.parser || parser; + this.encoder = new _parser.Encoder(); + this.decoder = new _parser.Decoder(); + this._autoConnect = opts.autoConnect !== false; + if (this._autoConnect) + this.open(); + } + reconnection(v) { + if (!arguments.length) + return this._reconnection; + this._reconnection = !!v; + return this; + } + reconnectionAttempts(v) { + if (v === undefined) + return this._reconnectionAttempts; + this._reconnectionAttempts = v; + return this; + } + reconnectionDelay(v) { + var _a; + if (v === undefined) + return this._reconnectionDelay; + this._reconnectionDelay = v; + (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v); + return this; + } + randomizationFactor(v) { + var _a; + if (v === undefined) + return this._randomizationFactor; + this._randomizationFactor = v; + (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v); + return this; + } + reconnectionDelayMax(v) { + var _a; + if (v === undefined) + return this._reconnectionDelayMax; + this._reconnectionDelayMax = v; + (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v); + return this; + } + timeout(v) { + if (!arguments.length) + return this._timeout; + this._timeout = v; + return this; + } + /** + * Starts trying to reconnect if reconnection is enabled and we have not + * started reconnecting yet + * + * @private + */ + maybeReconnectOnOpen() { + // Only try to reconnect if it's the first time we're connecting + if (!this._reconnecting && + this._reconnection && + this.backoff.attempts === 0) { + // keeps reconnection from firing twice for the same reconnection loop + this.reconnect(); + } + } + /** + * Sets the current transport `socket`. + * + * @param {Function} fn - optional, callback + * @return self + * @public + */ + open(fn) { + debug("readyState %s", this._readyState); + if (~this._readyState.indexOf("open")) + return this; + debug("opening %s", this.uri); + this.engine = new Engine(this.uri, this.opts); + const socket = this.engine; + const self = this; + this._readyState = "opening"; + this.skipReconnect = false; + // emit `open` + const openSubDestroy = on(socket, "open", function () { + self.onopen(); + fn && fn(); + }); + const onError = (err) => { + debug("error"); + this.cleanup(); + this._readyState = "closed"; + this.emitReserved("error", err); + if (fn) { + fn(err); + } + else { + // Only do this if there is no fn to handle the error + this.maybeReconnectOnOpen(); + } + }; + // emit `error` + const errorSub = on(socket, "error", onError); + if (false !== this._timeout) { + const timeout = this._timeout; + debug("connect attempt will timeout after %d", timeout); + // set timer + const timer = this.setTimeoutFn(() => { + debug("connect attempt timed out after %d", timeout); + openSubDestroy(); + onError(new Error("timeout")); + socket.close(); + }, timeout); + if (this.opts.autoUnref) { + timer.unref(); + } + this.subs.push(() => { + this.clearTimeoutFn(timer); + }); + } + this.subs.push(openSubDestroy); + this.subs.push(errorSub); + return this; + } + /** + * Alias for open() + * + * @return self + * @public + */ + connect(fn) { + return this.open(fn); + } + /** + * Called upon transport open. + * + * @private + */ + onopen() { + debug("open"); + // clear old subs + this.cleanup(); + // mark as open + this._readyState = "open"; + this.emitReserved("open"); + // add new subs + const socket = this.engine; + this.subs.push(on(socket, "ping", this.onping.bind(this)), on(socket, "data", this.ondata.bind(this)), on(socket, "error", this.onerror.bind(this)), on(socket, "close", this.onclose.bind(this)), on(this.decoder, "decoded", this.ondecoded.bind(this))); + } + /** + * Called upon a ping. + * + * @private + */ + onping() { + this.emitReserved("ping"); + } + /** + * Called with data. + * + * @private + */ + ondata(data) { + try { + this.decoder.add(data); + } + catch (e) { + this.onclose("parse error", e); + } + } + /** + * Called when parser fully decodes a packet. + * + * @private + */ + ondecoded(packet) { + // the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a "parse error" + nextTick(() => { + this.emitReserved("packet", packet); + }, this.setTimeoutFn); + } + /** + * Called upon socket error. + * + * @private + */ + onerror(err) { + debug("error", err); + this.emitReserved("error", err); + } + /** + * Creates a new socket for the given `nsp`. + * + * @return {Socket} + * @public + */ + socket(nsp, opts) { + let socket = this.nsps[nsp]; + if (!socket) { + socket = new Socket(this, nsp, opts); + this.nsps[nsp] = socket; + } + else if (this._autoConnect && !socket.active) { + socket.connect(); + } + return socket; + } + /** + * Called upon a socket close. + * + * @param socket + * @private + */ + _destroy(socket) { + const nsps = Object.keys(this.nsps); + for (const nsp of nsps) { + const socket = this.nsps[nsp]; + if (socket.active) { + debug("socket %s is still active, skipping close", nsp); + return; + } + } + this._close(); + } + /** + * Writes a packet. + * + * @param packet + * @private + */ + _packet(packet) { + debug("writing packet %j", packet); + const encodedPackets = this.encoder.encode(packet); + for (let i = 0; i < encodedPackets.length; i++) { + this.engine.write(encodedPackets[i], packet.options); + } + } + /** + * Clean up transport subscriptions and packet buffer. + * + * @private + */ + cleanup() { + debug("cleanup"); + this.subs.forEach((subDestroy) => subDestroy()); + this.subs.length = 0; + this.decoder.destroy(); + } + /** + * Close the current socket. + * + * @private + */ + _close() { + debug("disconnect"); + this.skipReconnect = true; + this._reconnecting = false; + this.onclose("forced close"); + if (this.engine) + this.engine.close(); + } + /** + * Alias for close() + * + * @private + */ + disconnect() { + return this._close(); + } + /** + * Called upon engine close. + * + * @private + */ + onclose(reason, description) { + debug("closed due to %s", reason); + this.cleanup(); + this.backoff.reset(); + this._readyState = "closed"; + this.emitReserved("close", reason, description); + if (this._reconnection && !this.skipReconnect) { + this.reconnect(); + } + } + /** + * Attempt a reconnection. + * + * @private + */ + reconnect() { + if (this._reconnecting || this.skipReconnect) + return this; + const self = this; + if (this.backoff.attempts >= this._reconnectionAttempts) { + debug("reconnect failed"); + this.backoff.reset(); + this.emitReserved("reconnect_failed"); + this._reconnecting = false; + } + else { + const delay = this.backoff.duration(); + debug("will wait %dms before reconnect attempt", delay); + this._reconnecting = true; + const timer = this.setTimeoutFn(() => { + if (self.skipReconnect) + return; + debug("attempting reconnect"); + this.emitReserved("reconnect_attempt", self.backoff.attempts); + // check again for the case socket closed in above events + if (self.skipReconnect) + return; + self.open((err) => { + if (err) { + debug("reconnect attempt error"); + self._reconnecting = false; + self.reconnect(); + this.emitReserved("reconnect_error", err); + } + else { + debug("reconnect success"); + self.onreconnect(); + } + }); + }, delay); + if (this.opts.autoUnref) { + timer.unref(); + } + this.subs.push(() => { + this.clearTimeoutFn(timer); + }); + } + } + /** + * Called upon successful reconnect. + * + * @private + */ + onreconnect() { + const attempt = this.backoff.attempts; + this._reconnecting = false; + this.backoff.reset(); + this.emitReserved("reconnect", attempt); + } +} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/on.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/on.d.ts new file mode 100644 index 00000000..41796347 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/on.d.ts @@ -0,0 +1,2 @@ +import { Emitter } from "@socket.io/component-emitter"; +export declare function on(obj: Emitter, ev: string, fn: (err?: any) => any): VoidFunction; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/on.js b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/on.js new file mode 100644 index 00000000..dfe093a7 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/on.js @@ -0,0 +1,6 @@ +export function on(obj, ev, fn) { + obj.on(ev, fn); + return function subDestroy() { + obj.off(ev, fn); + }; +} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/package.json b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/package.json new file mode 100644 index 00000000..719193cc --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/package.json @@ -0,0 +1,4 @@ +{ + "name": "socket.io-client", + "type": "module" +} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/socket.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/socket.d.ts new file mode 100644 index 00000000..b6137857 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/socket.d.ts @@ -0,0 +1,563 @@ +import { Packet } from "socket.io-parser"; +import { Manager } from "./manager.js"; +import { DefaultEventsMap, EventNames, EventParams, EventsMap, Emitter } from "@socket.io/component-emitter"; +declare type PrependTimeoutError = { + [K in keyof T]: T[K] extends (...args: infer Params) => infer Result ? (err: Error, ...args: Params) => Result : T[K]; +}; +/** + * Utility type to decorate the acknowledgement callbacks with a timeout error. + * + * This is needed because the timeout() flag breaks the symmetry between the sender and the receiver: + * + * @example + * interface Events { + * "my-event": (val: string) => void; + * } + * + * socket.on("my-event", (cb) => { + * cb("123"); // one single argument here + * }); + * + * socket.timeout(1000).emit("my-event", (err, val) => { + * // two arguments there (the "err" argument is not properly typed) + * }); + * + */ +export declare type DecorateAcknowledgements = { + [K in keyof E]: E[K] extends (...args: infer Params) => infer Result ? (...args: PrependTimeoutError) => Result : E[K]; +}; +export declare type Last = T extends [...infer H, infer L] ? L : any; +export declare type AllButLast = T extends [...infer H, infer L] ? H : any[]; +export declare type FirstArg = T extends (arg: infer Param) => infer Result ? Param : any; +export interface SocketOptions { + /** + * the authentication payload sent when connecting to the Namespace + */ + auth?: { + [key: string]: any; + } | ((cb: (data: object) => void) => void); + /** + * The maximum number of retries. Above the limit, the packet will be discarded. + * + * Using `Infinity` means the delivery guarantee is "at-least-once" (instead of "at-most-once" by default), but a + * smaller value like 10 should be sufficient in practice. + */ + retries?: number; + /** + * The default timeout in milliseconds used when waiting for an acknowledgement. + */ + ackTimeout?: number; +} +export declare type DisconnectDescription = Error | { + description: string; + context?: unknown; +}; +interface SocketReservedEvents { + connect: () => void; + connect_error: (err: Error) => void; + disconnect: (reason: Socket.DisconnectReason, description?: DisconnectDescription) => void; +} +/** + * A Socket is the fundamental class for interacting with the server. + * + * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate. + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log("connected"); + * }); + * + * // send an event to the server + * socket.emit("foo", "bar"); + * + * socket.on("foobar", () => { + * // an event was received from the server + * }); + * + * // upon disconnection + * socket.on("disconnect", (reason) => { + * console.log(`disconnected due to ${reason}`); + * }); + */ +export declare class Socket extends Emitter { + readonly io: Manager; + /** + * A unique identifier for the session. `undefined` when the socket is not connected. + * + * @example + * const socket = io(); + * + * console.log(socket.id); // undefined + * + * socket.on("connect", () => { + * console.log(socket.id); // "G5p5..." + * }); + */ + id: string | undefined; + /** + * The session ID used for connection state recovery, which must not be shared (unlike {@link id}). + * + * @private + */ + private _pid; + /** + * The offset of the last received packet, which will be sent upon reconnection to allow for the recovery of the connection state. + * + * @private + */ + private _lastOffset; + /** + * Whether the socket is currently connected to the server. + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log(socket.connected); // true + * }); + * + * socket.on("disconnect", () => { + * console.log(socket.connected); // false + * }); + */ + connected: boolean; + /** + * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will + * be transmitted by the server. + */ + recovered: boolean; + /** + * Credentials that are sent when accessing a namespace. + * + * @example + * const socket = io({ + * auth: { + * token: "abcd" + * } + * }); + * + * // or with a function + * const socket = io({ + * auth: (cb) => { + * cb({ token: localStorage.token }) + * } + * }); + */ + auth: { + [key: string]: any; + } | ((cb: (data: object) => void) => void); + /** + * Buffer for packets received before the CONNECT packet + */ + receiveBuffer: Array>; + /** + * Buffer for packets that will be sent once the socket is connected + */ + sendBuffer: Array; + /** + * The queue of packets to be sent with retry in case of failure. + * + * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order. + * @private + */ + private _queue; + /** + * A sequence to generate the ID of the {@link QueuedPacket}. + * @private + */ + private _queueSeq; + private readonly nsp; + private readonly _opts; + private ids; + private acks; + private flags; + private subs?; + private _anyListeners; + private _anyOutgoingListeners; + /** + * `Socket` constructor. + */ + constructor(io: Manager, nsp: string, opts?: Partial); + /** + * Whether the socket is currently disconnected + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log(socket.disconnected); // false + * }); + * + * socket.on("disconnect", () => { + * console.log(socket.disconnected); // true + * }); + */ + get disconnected(): boolean; + /** + * Subscribe to open, close and packet events + * + * @private + */ + private subEvents; + /** + * Whether the Socket will try to reconnect when its Manager connects or reconnects. + * + * @example + * const socket = io(); + * + * console.log(socket.active); // true + * + * socket.on("disconnect", (reason) => { + * if (reason === "io server disconnect") { + * // the disconnection was initiated by the server, you need to manually reconnect + * console.log(socket.active); // false + * } + * // else the socket will automatically try to reconnect + * console.log(socket.active); // true + * }); + */ + get active(): boolean; + /** + * "Opens" the socket. + * + * @example + * const socket = io({ + * autoConnect: false + * }); + * + * socket.connect(); + */ + connect(): this; + /** + * Alias for {@link connect()}. + */ + open(): this; + /** + * Sends a `message` event. + * + * This method mimics the WebSocket.send() method. + * + * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send + * + * @example + * socket.send("hello"); + * + * // this is equivalent to + * socket.emit("message", "hello"); + * + * @return self + */ + send(...args: any[]): this; + /** + * Override `emit`. + * If the event is in `events`, it's emitted normally. + * + * @example + * socket.emit("hello", "world"); + * + * // all serializable datastructures are supported (no need to call JSON.stringify) + * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) }); + * + * // with an acknowledgement from the server + * socket.emit("hello", "world", (val) => { + * // ... + * }); + * + * @return self + */ + emit>(ev: Ev, ...args: EventParams): this; + /** + * @private + */ + private _registerAckCallback; + /** + * Emits an event and waits for an acknowledgement + * + * @example + * // without timeout + * const response = await socket.emitWithAck("hello", "world"); + * + * // with a specific timeout + * try { + * const response = await socket.timeout(1000).emitWithAck("hello", "world"); + * } catch (err) { + * // the server did not acknowledge the event in the given delay + * } + * + * @return a Promise that will be fulfilled when the server acknowledges the event + */ + emitWithAck>(ev: Ev, ...args: AllButLast>): Promise>>>; + /** + * Add the packet to the queue. + * @param args + * @private + */ + private _addToQueue; + /** + * Send the first packet of the queue, and wait for an acknowledgement from the server. + * @param force - whether to resend a packet that has not been acknowledged yet + * + * @private + */ + private _drainQueue; + /** + * Sends a packet. + * + * @param packet + * @private + */ + private packet; + /** + * Called upon engine `open`. + * + * @private + */ + private onopen; + /** + * Sends a CONNECT packet to initiate the Socket.IO session. + * + * @param data + * @private + */ + private _sendConnectPacket; + /** + * Called upon engine or manager `error`. + * + * @param err + * @private + */ + private onerror; + /** + * Called upon engine `close`. + * + * @param reason + * @param description + * @private + */ + private onclose; + /** + * Called with socket packet. + * + * @param packet + * @private + */ + private onpacket; + /** + * Called upon a server event. + * + * @param packet + * @private + */ + private onevent; + private emitEvent; + /** + * Produces an ack callback to emit with an event. + * + * @private + */ + private ack; + /** + * Called upon a server acknowlegement. + * + * @param packet + * @private + */ + private onack; + /** + * Called upon server connect. + * + * @private + */ + private onconnect; + /** + * Emit buffered events (received and emitted). + * + * @private + */ + private emitBuffered; + /** + * Called upon server disconnect. + * + * @private + */ + private ondisconnect; + /** + * Called upon forced client/server side disconnections, + * this method ensures the manager stops tracking us and + * that reconnections don't get triggered for this. + * + * @private + */ + private destroy; + /** + * Disconnects the socket manually. In that case, the socket will not try to reconnect. + * + * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed. + * + * @example + * const socket = io(); + * + * socket.on("disconnect", (reason) => { + * // console.log(reason); prints "io client disconnect" + * }); + * + * socket.disconnect(); + * + * @return self + */ + disconnect(): this; + /** + * Alias for {@link disconnect()}. + * + * @return self + */ + close(): this; + /** + * Sets the compress flag. + * + * @example + * socket.compress(false).emit("hello"); + * + * @param compress - if `true`, compresses the sending data + * @return self + */ + compress(compress: boolean): this; + /** + * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not + * ready to send messages. + * + * @example + * socket.volatile.emit("hello"); // the server may or may not receive it + * + * @returns self + */ + get volatile(): this; + /** + * Sets a modifier for a subsequent event emission that the callback will be called with an error when the + * given number of milliseconds have elapsed without an acknowledgement from the server: + * + * @example + * socket.timeout(5000).emit("my-event", (err) => { + * if (err) { + * // the server did not acknowledge the event in the given delay + * } + * }); + * + * @returns self + */ + timeout(timeout: number): Socket>; + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. + * + * @example + * socket.onAny((event, ...args) => { + * console.log(`got ${event}`); + * }); + * + * @param listener + */ + onAny(listener: (...args: any[]) => void): this; + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. The listener is added to the beginning of the listeners array. + * + * @example + * socket.prependAny((event, ...args) => { + * console.log(`got event ${event}`); + * }); + * + * @param listener + */ + prependAny(listener: (...args: any[]) => void): this; + /** + * Removes the listener that will be fired when any event is emitted. + * + * @example + * const catchAllListener = (event, ...args) => { + * console.log(`got event ${event}`); + * } + * + * socket.onAny(catchAllListener); + * + * // remove a specific listener + * socket.offAny(catchAllListener); + * + * // or remove all listeners + * socket.offAny(); + * + * @param listener + */ + offAny(listener?: (...args: any[]) => void): this; + /** + * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, + * e.g. to remove listeners. + */ + listenersAny(): ((...args: any[]) => void)[]; + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. + * + * Note: acknowledgements sent to the server are not included. + * + * @example + * socket.onAnyOutgoing((event, ...args) => { + * console.log(`sent event ${event}`); + * }); + * + * @param listener + */ + onAnyOutgoing(listener: (...args: any[]) => void): this; + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. The listener is added to the beginning of the listeners array. + * + * Note: acknowledgements sent to the server are not included. + * + * @example + * socket.prependAnyOutgoing((event, ...args) => { + * console.log(`sent event ${event}`); + * }); + * + * @param listener + */ + prependAnyOutgoing(listener: (...args: any[]) => void): this; + /** + * Removes the listener that will be fired when any event is emitted. + * + * @example + * const catchAllListener = (event, ...args) => { + * console.log(`sent event ${event}`); + * } + * + * socket.onAnyOutgoing(catchAllListener); + * + * // remove a specific listener + * socket.offAnyOutgoing(catchAllListener); + * + * // or remove all listeners + * socket.offAnyOutgoing(); + * + * @param [listener] - the catch-all listener (optional) + */ + offAnyOutgoing(listener?: (...args: any[]) => void): this; + /** + * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, + * e.g. to remove listeners. + */ + listenersAnyOutgoing(): ((...args: any[]) => void)[]; + /** + * Notify the listeners for each packet sent + * + * @param packet + * + * @private + */ + private notifyOutgoingListeners; +} +export declare namespace Socket { + type DisconnectReason = "io server disconnect" | "io client disconnect" | "ping timeout" | "transport close" | "transport error" | "parse error"; +} +export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/socket.js b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/socket.js new file mode 100644 index 00000000..482b4aeb --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/socket.js @@ -0,0 +1,859 @@ +import { PacketType } from "socket.io-parser"; +import { on } from "./on.js"; +import { Emitter, } from "@socket.io/component-emitter"; +import debugModule from "debug"; // debug() +const debug = debugModule("socket.io-client:socket"); // debug() +/** + * Internal events. + * These events can't be emitted by the user. + */ +const RESERVED_EVENTS = Object.freeze({ + connect: 1, + connect_error: 1, + disconnect: 1, + disconnecting: 1, + // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener + newListener: 1, + removeListener: 1, +}); +/** + * A Socket is the fundamental class for interacting with the server. + * + * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate. + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log("connected"); + * }); + * + * // send an event to the server + * socket.emit("foo", "bar"); + * + * socket.on("foobar", () => { + * // an event was received from the server + * }); + * + * // upon disconnection + * socket.on("disconnect", (reason) => { + * console.log(`disconnected due to ${reason}`); + * }); + */ +export class Socket extends Emitter { + /** + * `Socket` constructor. + */ + constructor(io, nsp, opts) { + super(); + /** + * Whether the socket is currently connected to the server. + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log(socket.connected); // true + * }); + * + * socket.on("disconnect", () => { + * console.log(socket.connected); // false + * }); + */ + this.connected = false; + /** + * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will + * be transmitted by the server. + */ + this.recovered = false; + /** + * Buffer for packets received before the CONNECT packet + */ + this.receiveBuffer = []; + /** + * Buffer for packets that will be sent once the socket is connected + */ + this.sendBuffer = []; + /** + * The queue of packets to be sent with retry in case of failure. + * + * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order. + * @private + */ + this._queue = []; + /** + * A sequence to generate the ID of the {@link QueuedPacket}. + * @private + */ + this._queueSeq = 0; + this.ids = 0; + this.acks = {}; + this.flags = {}; + this.io = io; + this.nsp = nsp; + if (opts && opts.auth) { + this.auth = opts.auth; + } + this._opts = Object.assign({}, opts); + if (this.io._autoConnect) + this.open(); + } + /** + * Whether the socket is currently disconnected + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log(socket.disconnected); // false + * }); + * + * socket.on("disconnect", () => { + * console.log(socket.disconnected); // true + * }); + */ + get disconnected() { + return !this.connected; + } + /** + * Subscribe to open, close and packet events + * + * @private + */ + subEvents() { + if (this.subs) + return; + const io = this.io; + this.subs = [ + on(io, "open", this.onopen.bind(this)), + on(io, "packet", this.onpacket.bind(this)), + on(io, "error", this.onerror.bind(this)), + on(io, "close", this.onclose.bind(this)), + ]; + } + /** + * Whether the Socket will try to reconnect when its Manager connects or reconnects. + * + * @example + * const socket = io(); + * + * console.log(socket.active); // true + * + * socket.on("disconnect", (reason) => { + * if (reason === "io server disconnect") { + * // the disconnection was initiated by the server, you need to manually reconnect + * console.log(socket.active); // false + * } + * // else the socket will automatically try to reconnect + * console.log(socket.active); // true + * }); + */ + get active() { + return !!this.subs; + } + /** + * "Opens" the socket. + * + * @example + * const socket = io({ + * autoConnect: false + * }); + * + * socket.connect(); + */ + connect() { + if (this.connected) + return this; + this.subEvents(); + if (!this.io["_reconnecting"]) + this.io.open(); // ensure open + if ("open" === this.io._readyState) + this.onopen(); + return this; + } + /** + * Alias for {@link connect()}. + */ + open() { + return this.connect(); + } + /** + * Sends a `message` event. + * + * This method mimics the WebSocket.send() method. + * + * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send + * + * @example + * socket.send("hello"); + * + * // this is equivalent to + * socket.emit("message", "hello"); + * + * @return self + */ + send(...args) { + args.unshift("message"); + this.emit.apply(this, args); + return this; + } + /** + * Override `emit`. + * If the event is in `events`, it's emitted normally. + * + * @example + * socket.emit("hello", "world"); + * + * // all serializable datastructures are supported (no need to call JSON.stringify) + * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) }); + * + * // with an acknowledgement from the server + * socket.emit("hello", "world", (val) => { + * // ... + * }); + * + * @return self + */ + emit(ev, ...args) { + if (RESERVED_EVENTS.hasOwnProperty(ev)) { + throw new Error('"' + ev.toString() + '" is a reserved event name'); + } + args.unshift(ev); + if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) { + this._addToQueue(args); + return this; + } + const packet = { + type: PacketType.EVENT, + data: args, + }; + packet.options = {}; + packet.options.compress = this.flags.compress !== false; + // event ack callback + if ("function" === typeof args[args.length - 1]) { + const id = this.ids++; + debug("emitting packet with ack id %d", id); + const ack = args.pop(); + this._registerAckCallback(id, ack); + packet.id = id; + } + const isTransportWritable = this.io.engine && + this.io.engine.transport && + this.io.engine.transport.writable; + const discardPacket = this.flags.volatile && (!isTransportWritable || !this.connected); + if (discardPacket) { + debug("discard packet as the transport is not currently writable"); + } + else if (this.connected) { + this.notifyOutgoingListeners(packet); + this.packet(packet); + } + else { + this.sendBuffer.push(packet); + } + this.flags = {}; + return this; + } + /** + * @private + */ + _registerAckCallback(id, ack) { + var _a; + const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout; + if (timeout === undefined) { + this.acks[id] = ack; + return; + } + // @ts-ignore + const timer = this.io.setTimeoutFn(() => { + delete this.acks[id]; + for (let i = 0; i < this.sendBuffer.length; i++) { + if (this.sendBuffer[i].id === id) { + debug("removing packet with ack id %d from the buffer", id); + this.sendBuffer.splice(i, 1); + } + } + debug("event with ack id %d has timed out after %d ms", id, timeout); + ack.call(this, new Error("operation has timed out")); + }, timeout); + this.acks[id] = (...args) => { + // @ts-ignore + this.io.clearTimeoutFn(timer); + ack.apply(this, [null, ...args]); + }; + } + /** + * Emits an event and waits for an acknowledgement + * + * @example + * // without timeout + * const response = await socket.emitWithAck("hello", "world"); + * + * // with a specific timeout + * try { + * const response = await socket.timeout(1000).emitWithAck("hello", "world"); + * } catch (err) { + * // the server did not acknowledge the event in the given delay + * } + * + * @return a Promise that will be fulfilled when the server acknowledges the event + */ + emitWithAck(ev, ...args) { + // the timeout flag is optional + const withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined; + return new Promise((resolve, reject) => { + args.push((arg1, arg2) => { + if (withErr) { + return arg1 ? reject(arg1) : resolve(arg2); + } + else { + return resolve(arg1); + } + }); + this.emit(ev, ...args); + }); + } + /** + * Add the packet to the queue. + * @param args + * @private + */ + _addToQueue(args) { + let ack; + if (typeof args[args.length - 1] === "function") { + ack = args.pop(); + } + const packet = { + id: this._queueSeq++, + tryCount: 0, + pending: false, + args, + flags: Object.assign({ fromQueue: true }, this.flags), + }; + args.push((err, ...responseArgs) => { + if (packet !== this._queue[0]) { + // the packet has already been acknowledged + return; + } + const hasError = err !== null; + if (hasError) { + if (packet.tryCount > this._opts.retries) { + debug("packet [%d] is discarded after %d tries", packet.id, packet.tryCount); + this._queue.shift(); + if (ack) { + ack(err); + } + } + } + else { + debug("packet [%d] was successfully sent", packet.id); + this._queue.shift(); + if (ack) { + ack(null, ...responseArgs); + } + } + packet.pending = false; + return this._drainQueue(); + }); + this._queue.push(packet); + this._drainQueue(); + } + /** + * Send the first packet of the queue, and wait for an acknowledgement from the server. + * @param force - whether to resend a packet that has not been acknowledged yet + * + * @private + */ + _drainQueue(force = false) { + debug("draining queue"); + if (!this.connected || this._queue.length === 0) { + return; + } + const packet = this._queue[0]; + if (packet.pending && !force) { + debug("packet [%d] has already been sent and is waiting for an ack", packet.id); + return; + } + packet.pending = true; + packet.tryCount++; + debug("sending packet [%d] (try n°%d)", packet.id, packet.tryCount); + this.flags = packet.flags; + this.emit.apply(this, packet.args); + } + /** + * Sends a packet. + * + * @param packet + * @private + */ + packet(packet) { + packet.nsp = this.nsp; + this.io._packet(packet); + } + /** + * Called upon engine `open`. + * + * @private + */ + onopen() { + debug("transport is open - connecting"); + if (typeof this.auth == "function") { + this.auth((data) => { + this._sendConnectPacket(data); + }); + } + else { + this._sendConnectPacket(this.auth); + } + } + /** + * Sends a CONNECT packet to initiate the Socket.IO session. + * + * @param data + * @private + */ + _sendConnectPacket(data) { + this.packet({ + type: PacketType.CONNECT, + data: this._pid + ? Object.assign({ pid: this._pid, offset: this._lastOffset }, data) + : data, + }); + } + /** + * Called upon engine or manager `error`. + * + * @param err + * @private + */ + onerror(err) { + if (!this.connected) { + this.emitReserved("connect_error", err); + } + } + /** + * Called upon engine `close`. + * + * @param reason + * @param description + * @private + */ + onclose(reason, description) { + debug("close (%s)", reason); + this.connected = false; + delete this.id; + this.emitReserved("disconnect", reason, description); + } + /** + * Called with socket packet. + * + * @param packet + * @private + */ + onpacket(packet) { + const sameNamespace = packet.nsp === this.nsp; + if (!sameNamespace) + return; + switch (packet.type) { + case PacketType.CONNECT: + if (packet.data && packet.data.sid) { + this.onconnect(packet.data.sid, packet.data.pid); + } + else { + this.emitReserved("connect_error", new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)")); + } + break; + case PacketType.EVENT: + case PacketType.BINARY_EVENT: + this.onevent(packet); + break; + case PacketType.ACK: + case PacketType.BINARY_ACK: + this.onack(packet); + break; + case PacketType.DISCONNECT: + this.ondisconnect(); + break; + case PacketType.CONNECT_ERROR: + this.destroy(); + const err = new Error(packet.data.message); + // @ts-ignore + err.data = packet.data.data; + this.emitReserved("connect_error", err); + break; + } + } + /** + * Called upon a server event. + * + * @param packet + * @private + */ + onevent(packet) { + const args = packet.data || []; + debug("emitting event %j", args); + if (null != packet.id) { + debug("attaching ack callback to event"); + args.push(this.ack(packet.id)); + } + if (this.connected) { + this.emitEvent(args); + } + else { + this.receiveBuffer.push(Object.freeze(args)); + } + } + emitEvent(args) { + if (this._anyListeners && this._anyListeners.length) { + const listeners = this._anyListeners.slice(); + for (const listener of listeners) { + listener.apply(this, args); + } + } + super.emit.apply(this, args); + if (this._pid && args.length && typeof args[args.length - 1] === "string") { + this._lastOffset = args[args.length - 1]; + } + } + /** + * Produces an ack callback to emit with an event. + * + * @private + */ + ack(id) { + const self = this; + let sent = false; + return function (...args) { + // prevent double callbacks + if (sent) + return; + sent = true; + debug("sending ack %j", args); + self.packet({ + type: PacketType.ACK, + id: id, + data: args, + }); + }; + } + /** + * Called upon a server acknowlegement. + * + * @param packet + * @private + */ + onack(packet) { + const ack = this.acks[packet.id]; + if ("function" === typeof ack) { + debug("calling ack %s with %j", packet.id, packet.data); + ack.apply(this, packet.data); + delete this.acks[packet.id]; + } + else { + debug("bad ack %s", packet.id); + } + } + /** + * Called upon server connect. + * + * @private + */ + onconnect(id, pid) { + debug("socket connected with id %s", id); + this.id = id; + this.recovered = pid && this._pid === pid; + this._pid = pid; // defined only if connection state recovery is enabled + this.connected = true; + this.emitBuffered(); + this.emitReserved("connect"); + this._drainQueue(true); + } + /** + * Emit buffered events (received and emitted). + * + * @private + */ + emitBuffered() { + this.receiveBuffer.forEach((args) => this.emitEvent(args)); + this.receiveBuffer = []; + this.sendBuffer.forEach((packet) => { + this.notifyOutgoingListeners(packet); + this.packet(packet); + }); + this.sendBuffer = []; + } + /** + * Called upon server disconnect. + * + * @private + */ + ondisconnect() { + debug("server disconnect (%s)", this.nsp); + this.destroy(); + this.onclose("io server disconnect"); + } + /** + * Called upon forced client/server side disconnections, + * this method ensures the manager stops tracking us and + * that reconnections don't get triggered for this. + * + * @private + */ + destroy() { + if (this.subs) { + // clean subscriptions to avoid reconnections + this.subs.forEach((subDestroy) => subDestroy()); + this.subs = undefined; + } + this.io["_destroy"](this); + } + /** + * Disconnects the socket manually. In that case, the socket will not try to reconnect. + * + * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed. + * + * @example + * const socket = io(); + * + * socket.on("disconnect", (reason) => { + * // console.log(reason); prints "io client disconnect" + * }); + * + * socket.disconnect(); + * + * @return self + */ + disconnect() { + if (this.connected) { + debug("performing disconnect (%s)", this.nsp); + this.packet({ type: PacketType.DISCONNECT }); + } + // remove socket from pool + this.destroy(); + if (this.connected) { + // fire events + this.onclose("io client disconnect"); + } + return this; + } + /** + * Alias for {@link disconnect()}. + * + * @return self + */ + close() { + return this.disconnect(); + } + /** + * Sets the compress flag. + * + * @example + * socket.compress(false).emit("hello"); + * + * @param compress - if `true`, compresses the sending data + * @return self + */ + compress(compress) { + this.flags.compress = compress; + return this; + } + /** + * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not + * ready to send messages. + * + * @example + * socket.volatile.emit("hello"); // the server may or may not receive it + * + * @returns self + */ + get volatile() { + this.flags.volatile = true; + return this; + } + /** + * Sets a modifier for a subsequent event emission that the callback will be called with an error when the + * given number of milliseconds have elapsed without an acknowledgement from the server: + * + * @example + * socket.timeout(5000).emit("my-event", (err) => { + * if (err) { + * // the server did not acknowledge the event in the given delay + * } + * }); + * + * @returns self + */ + timeout(timeout) { + this.flags.timeout = timeout; + return this; + } + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. + * + * @example + * socket.onAny((event, ...args) => { + * console.log(`got ${event}`); + * }); + * + * @param listener + */ + onAny(listener) { + this._anyListeners = this._anyListeners || []; + this._anyListeners.push(listener); + return this; + } + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. The listener is added to the beginning of the listeners array. + * + * @example + * socket.prependAny((event, ...args) => { + * console.log(`got event ${event}`); + * }); + * + * @param listener + */ + prependAny(listener) { + this._anyListeners = this._anyListeners || []; + this._anyListeners.unshift(listener); + return this; + } + /** + * Removes the listener that will be fired when any event is emitted. + * + * @example + * const catchAllListener = (event, ...args) => { + * console.log(`got event ${event}`); + * } + * + * socket.onAny(catchAllListener); + * + * // remove a specific listener + * socket.offAny(catchAllListener); + * + * // or remove all listeners + * socket.offAny(); + * + * @param listener + */ + offAny(listener) { + if (!this._anyListeners) { + return this; + } + if (listener) { + const listeners = this._anyListeners; + for (let i = 0; i < listeners.length; i++) { + if (listener === listeners[i]) { + listeners.splice(i, 1); + return this; + } + } + } + else { + this._anyListeners = []; + } + return this; + } + /** + * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, + * e.g. to remove listeners. + */ + listenersAny() { + return this._anyListeners || []; + } + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. + * + * Note: acknowledgements sent to the server are not included. + * + * @example + * socket.onAnyOutgoing((event, ...args) => { + * console.log(`sent event ${event}`); + * }); + * + * @param listener + */ + onAnyOutgoing(listener) { + this._anyOutgoingListeners = this._anyOutgoingListeners || []; + this._anyOutgoingListeners.push(listener); + return this; + } + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. The listener is added to the beginning of the listeners array. + * + * Note: acknowledgements sent to the server are not included. + * + * @example + * socket.prependAnyOutgoing((event, ...args) => { + * console.log(`sent event ${event}`); + * }); + * + * @param listener + */ + prependAnyOutgoing(listener) { + this._anyOutgoingListeners = this._anyOutgoingListeners || []; + this._anyOutgoingListeners.unshift(listener); + return this; + } + /** + * Removes the listener that will be fired when any event is emitted. + * + * @example + * const catchAllListener = (event, ...args) => { + * console.log(`sent event ${event}`); + * } + * + * socket.onAnyOutgoing(catchAllListener); + * + * // remove a specific listener + * socket.offAnyOutgoing(catchAllListener); + * + * // or remove all listeners + * socket.offAnyOutgoing(); + * + * @param [listener] - the catch-all listener (optional) + */ + offAnyOutgoing(listener) { + if (!this._anyOutgoingListeners) { + return this; + } + if (listener) { + const listeners = this._anyOutgoingListeners; + for (let i = 0; i < listeners.length; i++) { + if (listener === listeners[i]) { + listeners.splice(i, 1); + return this; + } + } + } + else { + this._anyOutgoingListeners = []; + } + return this; + } + /** + * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, + * e.g. to remove listeners. + */ + listenersAnyOutgoing() { + return this._anyOutgoingListeners || []; + } + /** + * Notify the listeners for each packet sent + * + * @param packet + * + * @private + */ + notifyOutgoingListeners(packet) { + if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) { + const listeners = this._anyOutgoingListeners.slice(); + for (const listener of listeners) { + listener.apply(this, packet.data); + } + } + } +} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/url.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/url.d.ts new file mode 100644 index 00000000..d2d669e6 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/url.d.ts @@ -0,0 +1,33 @@ +declare type ParsedUrl = { + source: string; + protocol: string; + authority: string; + userInfo: string; + user: string; + password: string; + host: string; + port: string; + relative: string; + path: string; + directory: string; + file: string; + query: string; + anchor: string; + pathNames: Array; + queryKey: { + [key: string]: string; + }; + id: string; + href: string; +}; +/** + * URL parser. + * + * @param uri - url + * @param path - the request path of the connection + * @param loc - An object meant to mimic window.location. + * Defaults to window.location. + * @public + */ +export declare function url(uri: string | ParsedUrl, path?: string, loc?: Location): ParsedUrl; +export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/url.js b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/url.js new file mode 100644 index 00000000..c61ef30f --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/url.js @@ -0,0 +1,63 @@ +import { parse } from "engine.io-client"; +import debugModule from "debug"; // debug() +const debug = debugModule("socket.io-client:url"); // debug() +/** + * URL parser. + * + * @param uri - url + * @param path - the request path of the connection + * @param loc - An object meant to mimic window.location. + * Defaults to window.location. + * @public + */ +export function url(uri, path = "", loc) { + let obj = uri; + // default to window.location + loc = loc || (typeof location !== "undefined" && location); + if (null == uri) + uri = loc.protocol + "//" + loc.host; + // relative path support + if (typeof uri === "string") { + if ("/" === uri.charAt(0)) { + if ("/" === uri.charAt(1)) { + uri = loc.protocol + uri; + } + else { + uri = loc.host + uri; + } + } + if (!/^(https?|wss?):\/\//.test(uri)) { + debug("protocol-less url %s", uri); + if ("undefined" !== typeof loc) { + uri = loc.protocol + "//" + uri; + } + else { + uri = "https://" + uri; + } + } + // parse + debug("parse %s", uri); + obj = parse(uri); + } + // make sure we treat `localhost:80` and `localhost` equally + if (!obj.port) { + if (/^(http|ws)$/.test(obj.protocol)) { + obj.port = "80"; + } + else if (/^(http|ws)s$/.test(obj.protocol)) { + obj.port = "443"; + } + } + obj.path = obj.path || "/"; + const ipv6 = obj.host.indexOf(":") !== -1; + const host = ipv6 ? "[" + obj.host + "]" : obj.host; + // define unique id + obj.id = obj.protocol + "://" + host + ":" + obj.port + path; + // define href + obj.href = + obj.protocol + + "://" + + host + + (loc && loc.port === obj.port ? "" : ":" + obj.port); + return obj; +} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/browser-entrypoint.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm/browser-entrypoint.d.ts new file mode 100644 index 00000000..18fe370b --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm/browser-entrypoint.d.ts @@ -0,0 +1,2 @@ +import { io } from "./index.js"; +export default io; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/browser-entrypoint.js b/examples/axum-echo/node_modules/socket.io-client/build/esm/browser-entrypoint.js new file mode 100644 index 00000000..18fe370b --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm/browser-entrypoint.js @@ -0,0 +1,2 @@ +import { io } from "./index.js"; +export default io; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/contrib/backo2.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm/contrib/backo2.d.ts new file mode 100644 index 00000000..644c7351 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm/contrib/backo2.d.ts @@ -0,0 +1,12 @@ +/** + * Initialize backoff timer with `opts`. + * + * - `min` initial timeout in milliseconds [100] + * - `max` max timeout [10000] + * - `jitter` [0] + * - `factor` [2] + * + * @param {Object} opts + * @api public + */ +export declare function Backoff(opts: any): void; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/contrib/backo2.js b/examples/axum-echo/node_modules/socket.io-client/build/esm/contrib/backo2.js new file mode 100644 index 00000000..8f42c103 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm/contrib/backo2.js @@ -0,0 +1,66 @@ +/** + * Initialize backoff timer with `opts`. + * + * - `min` initial timeout in milliseconds [100] + * - `max` max timeout [10000] + * - `jitter` [0] + * - `factor` [2] + * + * @param {Object} opts + * @api public + */ +export function Backoff(opts) { + opts = opts || {}; + this.ms = opts.min || 100; + this.max = opts.max || 10000; + this.factor = opts.factor || 2; + this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0; + this.attempts = 0; +} +/** + * Return the backoff duration. + * + * @return {Number} + * @api public + */ +Backoff.prototype.duration = function () { + var ms = this.ms * Math.pow(this.factor, this.attempts++); + if (this.jitter) { + var rand = Math.random(); + var deviation = Math.floor(rand * this.jitter * ms); + ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation; + } + return Math.min(ms, this.max) | 0; +}; +/** + * Reset the number of attempts. + * + * @api public + */ +Backoff.prototype.reset = function () { + this.attempts = 0; +}; +/** + * Set the minimum duration + * + * @api public + */ +Backoff.prototype.setMin = function (min) { + this.ms = min; +}; +/** + * Set the maximum duration + * + * @api public + */ +Backoff.prototype.setMax = function (max) { + this.max = max; +}; +/** + * Set the jitter + * + * @api public + */ +Backoff.prototype.setJitter = function (jitter) { + this.jitter = jitter; +}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/index.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm/index.d.ts new file mode 100644 index 00000000..adfed240 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm/index.d.ts @@ -0,0 +1,28 @@ +import { Manager, ManagerOptions } from "./manager.js"; +import { Socket, SocketOptions } from "./socket.js"; +/** + * Looks up an existing `Manager` for multiplexing. + * If the user summons: + * + * `io('http://localhost/a');` + * `io('http://localhost/b');` + * + * We reuse the existing instance based on same scheme/port/host, + * and we initialize sockets for each namespace. + * + * @public + */ +declare function lookup(opts?: Partial): Socket; +declare function lookup(uri: string, opts?: Partial): Socket; +/** + * Protocol version. + * + * @public + */ +export { protocol } from "socket.io-parser"; +/** + * Expose constructors for standalone build. + * + * @public + */ +export { Manager, ManagerOptions, Socket, SocketOptions, lookup as io, lookup as connect, lookup as default, }; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/index.js b/examples/axum-echo/node_modules/socket.io-client/build/esm/index.js new file mode 100644 index 00000000..647ec300 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm/index.js @@ -0,0 +1,57 @@ +import { url } from "./url.js"; +import { Manager } from "./manager.js"; +import { Socket } from "./socket.js"; +/** + * Managers cache. + */ +const cache = {}; +function lookup(uri, opts) { + if (typeof uri === "object") { + opts = uri; + uri = undefined; + } + opts = opts || {}; + const parsed = url(uri, opts.path || "/socket.io"); + const source = parsed.source; + const id = parsed.id; + const path = parsed.path; + const sameNamespace = cache[id] && path in cache[id]["nsps"]; + const newConnection = opts.forceNew || + opts["force new connection"] || + false === opts.multiplex || + sameNamespace; + let io; + if (newConnection) { + io = new Manager(source, opts); + } + else { + if (!cache[id]) { + cache[id] = new Manager(source, opts); + } + io = cache[id]; + } + if (parsed.query && !opts.query) { + opts.query = parsed.queryKey; + } + return io.socket(parsed.path, opts); +} +// so that "lookup" can be used both as a function (e.g. `io(...)`) and as a +// namespace (e.g. `io.connect(...)`), for backward compatibility +Object.assign(lookup, { + Manager, + Socket, + io: lookup, + connect: lookup, +}); +/** + * Protocol version. + * + * @public + */ +export { protocol } from "socket.io-parser"; +/** + * Expose constructors for standalone build. + * + * @public + */ +export { Manager, Socket, lookup as io, lookup as connect, lookup as default, }; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/manager.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm/manager.d.ts new file mode 100644 index 00000000..cb5dbb1e --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm/manager.d.ts @@ -0,0 +1,291 @@ +import { Socket as Engine, SocketOptions as EngineOptions } from "engine.io-client"; +import { Socket, SocketOptions, DisconnectDescription } from "./socket.js"; +import { Packet } from "socket.io-parser"; +import { DefaultEventsMap, EventsMap, Emitter } from "@socket.io/component-emitter"; +export interface ManagerOptions extends EngineOptions { + /** + * Should we force a new Manager for this connection? + * @default false + */ + forceNew: boolean; + /** + * Should we multiplex our connection (reuse existing Manager) ? + * @default true + */ + multiplex: boolean; + /** + * The path to get our client file from, in the case of the server + * serving it + * @default '/socket.io' + */ + path: string; + /** + * Should we allow reconnections? + * @default true + */ + reconnection: boolean; + /** + * How many reconnection attempts should we try? + * @default Infinity + */ + reconnectionAttempts: number; + /** + * The time delay in milliseconds between reconnection attempts + * @default 1000 + */ + reconnectionDelay: number; + /** + * The max time delay in milliseconds between reconnection attempts + * @default 5000 + */ + reconnectionDelayMax: number; + /** + * Used in the exponential backoff jitter when reconnecting + * @default 0.5 + */ + randomizationFactor: number; + /** + * The timeout in milliseconds for our connection attempt + * @default 20000 + */ + timeout: number; + /** + * Should we automatically connect? + * @default true + */ + autoConnect: boolean; + /** + * the parser to use. Defaults to an instance of the Parser that ships with socket.io. + */ + parser: any; +} +interface ManagerReservedEvents { + open: () => void; + error: (err: Error) => void; + ping: () => void; + packet: (packet: Packet) => void; + close: (reason: string, description?: DisconnectDescription) => void; + reconnect_failed: () => void; + reconnect_attempt: (attempt: number) => void; + reconnect_error: (err: Error) => void; + reconnect: (attempt: number) => void; +} +export declare class Manager extends Emitter<{}, {}, ManagerReservedEvents> { + /** + * The Engine.IO client instance + * + * @public + */ + engine: Engine; + /** + * @private + */ + _autoConnect: boolean; + /** + * @private + */ + _readyState: "opening" | "open" | "closed"; + /** + * @private + */ + _reconnecting: boolean; + private readonly uri; + opts: Partial; + private nsps; + private subs; + private backoff; + private setTimeoutFn; + private clearTimeoutFn; + private _reconnection; + private _reconnectionAttempts; + private _reconnectionDelay; + private _randomizationFactor; + private _reconnectionDelayMax; + private _timeout; + private encoder; + private decoder; + private skipReconnect; + /** + * `Manager` constructor. + * + * @param uri - engine instance or engine uri/opts + * @param opts - options + * @public + */ + constructor(opts: Partial); + constructor(uri?: string, opts?: Partial); + constructor(uri?: string | Partial, opts?: Partial); + /** + * Sets the `reconnection` config. + * + * @param {Boolean} v - true/false if it should automatically reconnect + * @return {Manager} self or value + * @public + */ + reconnection(v: boolean): this; + reconnection(): boolean; + reconnection(v?: boolean): this | boolean; + /** + * Sets the reconnection attempts config. + * + * @param {Number} v - max reconnection attempts before giving up + * @return {Manager} self or value + * @public + */ + reconnectionAttempts(v: number): this; + reconnectionAttempts(): number; + reconnectionAttempts(v?: number): this | number; + /** + * Sets the delay between reconnections. + * + * @param {Number} v - delay + * @return {Manager} self or value + * @public + */ + reconnectionDelay(v: number): this; + reconnectionDelay(): number; + reconnectionDelay(v?: number): this | number; + /** + * Sets the randomization factor + * + * @param v - the randomization factor + * @return self or value + * @public + */ + randomizationFactor(v: number): this; + randomizationFactor(): number; + randomizationFactor(v?: number): this | number; + /** + * Sets the maximum delay between reconnections. + * + * @param v - delay + * @return self or value + * @public + */ + reconnectionDelayMax(v: number): this; + reconnectionDelayMax(): number; + reconnectionDelayMax(v?: number): this | number; + /** + * Sets the connection timeout. `false` to disable + * + * @param v - connection timeout + * @return self or value + * @public + */ + timeout(v: number | boolean): this; + timeout(): number | boolean; + timeout(v?: number | boolean): this | number | boolean; + /** + * Starts trying to reconnect if reconnection is enabled and we have not + * started reconnecting yet + * + * @private + */ + private maybeReconnectOnOpen; + /** + * Sets the current transport `socket`. + * + * @param {Function} fn - optional, callback + * @return self + * @public + */ + open(fn?: (err?: Error) => void): this; + /** + * Alias for open() + * + * @return self + * @public + */ + connect(fn?: (err?: Error) => void): this; + /** + * Called upon transport open. + * + * @private + */ + private onopen; + /** + * Called upon a ping. + * + * @private + */ + private onping; + /** + * Called with data. + * + * @private + */ + private ondata; + /** + * Called when parser fully decodes a packet. + * + * @private + */ + private ondecoded; + /** + * Called upon socket error. + * + * @private + */ + private onerror; + /** + * Creates a new socket for the given `nsp`. + * + * @return {Socket} + * @public + */ + socket(nsp: string, opts?: Partial): Socket; + /** + * Called upon a socket close. + * + * @param socket + * @private + */ + _destroy(socket: Socket): void; + /** + * Writes a packet. + * + * @param packet + * @private + */ + _packet(packet: Partial): void; + /** + * Clean up transport subscriptions and packet buffer. + * + * @private + */ + private cleanup; + /** + * Close the current socket. + * + * @private + */ + _close(): void; + /** + * Alias for close() + * + * @private + */ + private disconnect; + /** + * Called upon engine close. + * + * @private + */ + private onclose; + /** + * Attempt a reconnection. + * + * @private + */ + private reconnect; + /** + * Called upon successful reconnect. + * + * @private + */ + private onreconnect; +} +export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/manager.js b/examples/axum-echo/node_modules/socket.io-client/build/esm/manager.js new file mode 100644 index 00000000..651cb50a --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm/manager.js @@ -0,0 +1,358 @@ +import { Socket as Engine, installTimerFunctions, nextTick, } from "engine.io-client"; +import { Socket } from "./socket.js"; +import * as parser from "socket.io-parser"; +import { on } from "./on.js"; +import { Backoff } from "./contrib/backo2.js"; +import { Emitter, } from "@socket.io/component-emitter"; +export class Manager extends Emitter { + constructor(uri, opts) { + var _a; + super(); + this.nsps = {}; + this.subs = []; + if (uri && "object" === typeof uri) { + opts = uri; + uri = undefined; + } + opts = opts || {}; + opts.path = opts.path || "/socket.io"; + this.opts = opts; + installTimerFunctions(this, opts); + this.reconnection(opts.reconnection !== false); + this.reconnectionAttempts(opts.reconnectionAttempts || Infinity); + this.reconnectionDelay(opts.reconnectionDelay || 1000); + this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000); + this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5); + this.backoff = new Backoff({ + min: this.reconnectionDelay(), + max: this.reconnectionDelayMax(), + jitter: this.randomizationFactor(), + }); + this.timeout(null == opts.timeout ? 20000 : opts.timeout); + this._readyState = "closed"; + this.uri = uri; + const _parser = opts.parser || parser; + this.encoder = new _parser.Encoder(); + this.decoder = new _parser.Decoder(); + this._autoConnect = opts.autoConnect !== false; + if (this._autoConnect) + this.open(); + } + reconnection(v) { + if (!arguments.length) + return this._reconnection; + this._reconnection = !!v; + return this; + } + reconnectionAttempts(v) { + if (v === undefined) + return this._reconnectionAttempts; + this._reconnectionAttempts = v; + return this; + } + reconnectionDelay(v) { + var _a; + if (v === undefined) + return this._reconnectionDelay; + this._reconnectionDelay = v; + (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v); + return this; + } + randomizationFactor(v) { + var _a; + if (v === undefined) + return this._randomizationFactor; + this._randomizationFactor = v; + (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v); + return this; + } + reconnectionDelayMax(v) { + var _a; + if (v === undefined) + return this._reconnectionDelayMax; + this._reconnectionDelayMax = v; + (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v); + return this; + } + timeout(v) { + if (!arguments.length) + return this._timeout; + this._timeout = v; + return this; + } + /** + * Starts trying to reconnect if reconnection is enabled and we have not + * started reconnecting yet + * + * @private + */ + maybeReconnectOnOpen() { + // Only try to reconnect if it's the first time we're connecting + if (!this._reconnecting && + this._reconnection && + this.backoff.attempts === 0) { + // keeps reconnection from firing twice for the same reconnection loop + this.reconnect(); + } + } + /** + * Sets the current transport `socket`. + * + * @param {Function} fn - optional, callback + * @return self + * @public + */ + open(fn) { + if (~this._readyState.indexOf("open")) + return this; + this.engine = new Engine(this.uri, this.opts); + const socket = this.engine; + const self = this; + this._readyState = "opening"; + this.skipReconnect = false; + // emit `open` + const openSubDestroy = on(socket, "open", function () { + self.onopen(); + fn && fn(); + }); + const onError = (err) => { + this.cleanup(); + this._readyState = "closed"; + this.emitReserved("error", err); + if (fn) { + fn(err); + } + else { + // Only do this if there is no fn to handle the error + this.maybeReconnectOnOpen(); + } + }; + // emit `error` + const errorSub = on(socket, "error", onError); + if (false !== this._timeout) { + const timeout = this._timeout; + // set timer + const timer = this.setTimeoutFn(() => { + openSubDestroy(); + onError(new Error("timeout")); + socket.close(); + }, timeout); + if (this.opts.autoUnref) { + timer.unref(); + } + this.subs.push(() => { + this.clearTimeoutFn(timer); + }); + } + this.subs.push(openSubDestroy); + this.subs.push(errorSub); + return this; + } + /** + * Alias for open() + * + * @return self + * @public + */ + connect(fn) { + return this.open(fn); + } + /** + * Called upon transport open. + * + * @private + */ + onopen() { + // clear old subs + this.cleanup(); + // mark as open + this._readyState = "open"; + this.emitReserved("open"); + // add new subs + const socket = this.engine; + this.subs.push(on(socket, "ping", this.onping.bind(this)), on(socket, "data", this.ondata.bind(this)), on(socket, "error", this.onerror.bind(this)), on(socket, "close", this.onclose.bind(this)), on(this.decoder, "decoded", this.ondecoded.bind(this))); + } + /** + * Called upon a ping. + * + * @private + */ + onping() { + this.emitReserved("ping"); + } + /** + * Called with data. + * + * @private + */ + ondata(data) { + try { + this.decoder.add(data); + } + catch (e) { + this.onclose("parse error", e); + } + } + /** + * Called when parser fully decodes a packet. + * + * @private + */ + ondecoded(packet) { + // the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a "parse error" + nextTick(() => { + this.emitReserved("packet", packet); + }, this.setTimeoutFn); + } + /** + * Called upon socket error. + * + * @private + */ + onerror(err) { + this.emitReserved("error", err); + } + /** + * Creates a new socket for the given `nsp`. + * + * @return {Socket} + * @public + */ + socket(nsp, opts) { + let socket = this.nsps[nsp]; + if (!socket) { + socket = new Socket(this, nsp, opts); + this.nsps[nsp] = socket; + } + else if (this._autoConnect && !socket.active) { + socket.connect(); + } + return socket; + } + /** + * Called upon a socket close. + * + * @param socket + * @private + */ + _destroy(socket) { + const nsps = Object.keys(this.nsps); + for (const nsp of nsps) { + const socket = this.nsps[nsp]; + if (socket.active) { + return; + } + } + this._close(); + } + /** + * Writes a packet. + * + * @param packet + * @private + */ + _packet(packet) { + const encodedPackets = this.encoder.encode(packet); + for (let i = 0; i < encodedPackets.length; i++) { + this.engine.write(encodedPackets[i], packet.options); + } + } + /** + * Clean up transport subscriptions and packet buffer. + * + * @private + */ + cleanup() { + this.subs.forEach((subDestroy) => subDestroy()); + this.subs.length = 0; + this.decoder.destroy(); + } + /** + * Close the current socket. + * + * @private + */ + _close() { + this.skipReconnect = true; + this._reconnecting = false; + this.onclose("forced close"); + if (this.engine) + this.engine.close(); + } + /** + * Alias for close() + * + * @private + */ + disconnect() { + return this._close(); + } + /** + * Called upon engine close. + * + * @private + */ + onclose(reason, description) { + this.cleanup(); + this.backoff.reset(); + this._readyState = "closed"; + this.emitReserved("close", reason, description); + if (this._reconnection && !this.skipReconnect) { + this.reconnect(); + } + } + /** + * Attempt a reconnection. + * + * @private + */ + reconnect() { + if (this._reconnecting || this.skipReconnect) + return this; + const self = this; + if (this.backoff.attempts >= this._reconnectionAttempts) { + this.backoff.reset(); + this.emitReserved("reconnect_failed"); + this._reconnecting = false; + } + else { + const delay = this.backoff.duration(); + this._reconnecting = true; + const timer = this.setTimeoutFn(() => { + if (self.skipReconnect) + return; + this.emitReserved("reconnect_attempt", self.backoff.attempts); + // check again for the case socket closed in above events + if (self.skipReconnect) + return; + self.open((err) => { + if (err) { + self._reconnecting = false; + self.reconnect(); + this.emitReserved("reconnect_error", err); + } + else { + self.onreconnect(); + } + }); + }, delay); + if (this.opts.autoUnref) { + timer.unref(); + } + this.subs.push(() => { + this.clearTimeoutFn(timer); + }); + } + } + /** + * Called upon successful reconnect. + * + * @private + */ + onreconnect() { + const attempt = this.backoff.attempts; + this._reconnecting = false; + this.backoff.reset(); + this.emitReserved("reconnect", attempt); + } +} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/on.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm/on.d.ts new file mode 100644 index 00000000..41796347 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm/on.d.ts @@ -0,0 +1,2 @@ +import { Emitter } from "@socket.io/component-emitter"; +export declare function on(obj: Emitter, ev: string, fn: (err?: any) => any): VoidFunction; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/on.js b/examples/axum-echo/node_modules/socket.io-client/build/esm/on.js new file mode 100644 index 00000000..dfe093a7 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm/on.js @@ -0,0 +1,6 @@ +export function on(obj, ev, fn) { + obj.on(ev, fn); + return function subDestroy() { + obj.off(ev, fn); + }; +} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/package.json b/examples/axum-echo/node_modules/socket.io-client/build/esm/package.json new file mode 100644 index 00000000..719193cc --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm/package.json @@ -0,0 +1,4 @@ +{ + "name": "socket.io-client", + "type": "module" +} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/socket.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm/socket.d.ts new file mode 100644 index 00000000..b6137857 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm/socket.d.ts @@ -0,0 +1,563 @@ +import { Packet } from "socket.io-parser"; +import { Manager } from "./manager.js"; +import { DefaultEventsMap, EventNames, EventParams, EventsMap, Emitter } from "@socket.io/component-emitter"; +declare type PrependTimeoutError = { + [K in keyof T]: T[K] extends (...args: infer Params) => infer Result ? (err: Error, ...args: Params) => Result : T[K]; +}; +/** + * Utility type to decorate the acknowledgement callbacks with a timeout error. + * + * This is needed because the timeout() flag breaks the symmetry between the sender and the receiver: + * + * @example + * interface Events { + * "my-event": (val: string) => void; + * } + * + * socket.on("my-event", (cb) => { + * cb("123"); // one single argument here + * }); + * + * socket.timeout(1000).emit("my-event", (err, val) => { + * // two arguments there (the "err" argument is not properly typed) + * }); + * + */ +export declare type DecorateAcknowledgements = { + [K in keyof E]: E[K] extends (...args: infer Params) => infer Result ? (...args: PrependTimeoutError) => Result : E[K]; +}; +export declare type Last = T extends [...infer H, infer L] ? L : any; +export declare type AllButLast = T extends [...infer H, infer L] ? H : any[]; +export declare type FirstArg = T extends (arg: infer Param) => infer Result ? Param : any; +export interface SocketOptions { + /** + * the authentication payload sent when connecting to the Namespace + */ + auth?: { + [key: string]: any; + } | ((cb: (data: object) => void) => void); + /** + * The maximum number of retries. Above the limit, the packet will be discarded. + * + * Using `Infinity` means the delivery guarantee is "at-least-once" (instead of "at-most-once" by default), but a + * smaller value like 10 should be sufficient in practice. + */ + retries?: number; + /** + * The default timeout in milliseconds used when waiting for an acknowledgement. + */ + ackTimeout?: number; +} +export declare type DisconnectDescription = Error | { + description: string; + context?: unknown; +}; +interface SocketReservedEvents { + connect: () => void; + connect_error: (err: Error) => void; + disconnect: (reason: Socket.DisconnectReason, description?: DisconnectDescription) => void; +} +/** + * A Socket is the fundamental class for interacting with the server. + * + * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate. + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log("connected"); + * }); + * + * // send an event to the server + * socket.emit("foo", "bar"); + * + * socket.on("foobar", () => { + * // an event was received from the server + * }); + * + * // upon disconnection + * socket.on("disconnect", (reason) => { + * console.log(`disconnected due to ${reason}`); + * }); + */ +export declare class Socket extends Emitter { + readonly io: Manager; + /** + * A unique identifier for the session. `undefined` when the socket is not connected. + * + * @example + * const socket = io(); + * + * console.log(socket.id); // undefined + * + * socket.on("connect", () => { + * console.log(socket.id); // "G5p5..." + * }); + */ + id: string | undefined; + /** + * The session ID used for connection state recovery, which must not be shared (unlike {@link id}). + * + * @private + */ + private _pid; + /** + * The offset of the last received packet, which will be sent upon reconnection to allow for the recovery of the connection state. + * + * @private + */ + private _lastOffset; + /** + * Whether the socket is currently connected to the server. + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log(socket.connected); // true + * }); + * + * socket.on("disconnect", () => { + * console.log(socket.connected); // false + * }); + */ + connected: boolean; + /** + * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will + * be transmitted by the server. + */ + recovered: boolean; + /** + * Credentials that are sent when accessing a namespace. + * + * @example + * const socket = io({ + * auth: { + * token: "abcd" + * } + * }); + * + * // or with a function + * const socket = io({ + * auth: (cb) => { + * cb({ token: localStorage.token }) + * } + * }); + */ + auth: { + [key: string]: any; + } | ((cb: (data: object) => void) => void); + /** + * Buffer for packets received before the CONNECT packet + */ + receiveBuffer: Array>; + /** + * Buffer for packets that will be sent once the socket is connected + */ + sendBuffer: Array; + /** + * The queue of packets to be sent with retry in case of failure. + * + * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order. + * @private + */ + private _queue; + /** + * A sequence to generate the ID of the {@link QueuedPacket}. + * @private + */ + private _queueSeq; + private readonly nsp; + private readonly _opts; + private ids; + private acks; + private flags; + private subs?; + private _anyListeners; + private _anyOutgoingListeners; + /** + * `Socket` constructor. + */ + constructor(io: Manager, nsp: string, opts?: Partial); + /** + * Whether the socket is currently disconnected + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log(socket.disconnected); // false + * }); + * + * socket.on("disconnect", () => { + * console.log(socket.disconnected); // true + * }); + */ + get disconnected(): boolean; + /** + * Subscribe to open, close and packet events + * + * @private + */ + private subEvents; + /** + * Whether the Socket will try to reconnect when its Manager connects or reconnects. + * + * @example + * const socket = io(); + * + * console.log(socket.active); // true + * + * socket.on("disconnect", (reason) => { + * if (reason === "io server disconnect") { + * // the disconnection was initiated by the server, you need to manually reconnect + * console.log(socket.active); // false + * } + * // else the socket will automatically try to reconnect + * console.log(socket.active); // true + * }); + */ + get active(): boolean; + /** + * "Opens" the socket. + * + * @example + * const socket = io({ + * autoConnect: false + * }); + * + * socket.connect(); + */ + connect(): this; + /** + * Alias for {@link connect()}. + */ + open(): this; + /** + * Sends a `message` event. + * + * This method mimics the WebSocket.send() method. + * + * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send + * + * @example + * socket.send("hello"); + * + * // this is equivalent to + * socket.emit("message", "hello"); + * + * @return self + */ + send(...args: any[]): this; + /** + * Override `emit`. + * If the event is in `events`, it's emitted normally. + * + * @example + * socket.emit("hello", "world"); + * + * // all serializable datastructures are supported (no need to call JSON.stringify) + * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) }); + * + * // with an acknowledgement from the server + * socket.emit("hello", "world", (val) => { + * // ... + * }); + * + * @return self + */ + emit>(ev: Ev, ...args: EventParams): this; + /** + * @private + */ + private _registerAckCallback; + /** + * Emits an event and waits for an acknowledgement + * + * @example + * // without timeout + * const response = await socket.emitWithAck("hello", "world"); + * + * // with a specific timeout + * try { + * const response = await socket.timeout(1000).emitWithAck("hello", "world"); + * } catch (err) { + * // the server did not acknowledge the event in the given delay + * } + * + * @return a Promise that will be fulfilled when the server acknowledges the event + */ + emitWithAck>(ev: Ev, ...args: AllButLast>): Promise>>>; + /** + * Add the packet to the queue. + * @param args + * @private + */ + private _addToQueue; + /** + * Send the first packet of the queue, and wait for an acknowledgement from the server. + * @param force - whether to resend a packet that has not been acknowledged yet + * + * @private + */ + private _drainQueue; + /** + * Sends a packet. + * + * @param packet + * @private + */ + private packet; + /** + * Called upon engine `open`. + * + * @private + */ + private onopen; + /** + * Sends a CONNECT packet to initiate the Socket.IO session. + * + * @param data + * @private + */ + private _sendConnectPacket; + /** + * Called upon engine or manager `error`. + * + * @param err + * @private + */ + private onerror; + /** + * Called upon engine `close`. + * + * @param reason + * @param description + * @private + */ + private onclose; + /** + * Called with socket packet. + * + * @param packet + * @private + */ + private onpacket; + /** + * Called upon a server event. + * + * @param packet + * @private + */ + private onevent; + private emitEvent; + /** + * Produces an ack callback to emit with an event. + * + * @private + */ + private ack; + /** + * Called upon a server acknowlegement. + * + * @param packet + * @private + */ + private onack; + /** + * Called upon server connect. + * + * @private + */ + private onconnect; + /** + * Emit buffered events (received and emitted). + * + * @private + */ + private emitBuffered; + /** + * Called upon server disconnect. + * + * @private + */ + private ondisconnect; + /** + * Called upon forced client/server side disconnections, + * this method ensures the manager stops tracking us and + * that reconnections don't get triggered for this. + * + * @private + */ + private destroy; + /** + * Disconnects the socket manually. In that case, the socket will not try to reconnect. + * + * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed. + * + * @example + * const socket = io(); + * + * socket.on("disconnect", (reason) => { + * // console.log(reason); prints "io client disconnect" + * }); + * + * socket.disconnect(); + * + * @return self + */ + disconnect(): this; + /** + * Alias for {@link disconnect()}. + * + * @return self + */ + close(): this; + /** + * Sets the compress flag. + * + * @example + * socket.compress(false).emit("hello"); + * + * @param compress - if `true`, compresses the sending data + * @return self + */ + compress(compress: boolean): this; + /** + * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not + * ready to send messages. + * + * @example + * socket.volatile.emit("hello"); // the server may or may not receive it + * + * @returns self + */ + get volatile(): this; + /** + * Sets a modifier for a subsequent event emission that the callback will be called with an error when the + * given number of milliseconds have elapsed without an acknowledgement from the server: + * + * @example + * socket.timeout(5000).emit("my-event", (err) => { + * if (err) { + * // the server did not acknowledge the event in the given delay + * } + * }); + * + * @returns self + */ + timeout(timeout: number): Socket>; + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. + * + * @example + * socket.onAny((event, ...args) => { + * console.log(`got ${event}`); + * }); + * + * @param listener + */ + onAny(listener: (...args: any[]) => void): this; + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. The listener is added to the beginning of the listeners array. + * + * @example + * socket.prependAny((event, ...args) => { + * console.log(`got event ${event}`); + * }); + * + * @param listener + */ + prependAny(listener: (...args: any[]) => void): this; + /** + * Removes the listener that will be fired when any event is emitted. + * + * @example + * const catchAllListener = (event, ...args) => { + * console.log(`got event ${event}`); + * } + * + * socket.onAny(catchAllListener); + * + * // remove a specific listener + * socket.offAny(catchAllListener); + * + * // or remove all listeners + * socket.offAny(); + * + * @param listener + */ + offAny(listener?: (...args: any[]) => void): this; + /** + * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, + * e.g. to remove listeners. + */ + listenersAny(): ((...args: any[]) => void)[]; + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. + * + * Note: acknowledgements sent to the server are not included. + * + * @example + * socket.onAnyOutgoing((event, ...args) => { + * console.log(`sent event ${event}`); + * }); + * + * @param listener + */ + onAnyOutgoing(listener: (...args: any[]) => void): this; + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. The listener is added to the beginning of the listeners array. + * + * Note: acknowledgements sent to the server are not included. + * + * @example + * socket.prependAnyOutgoing((event, ...args) => { + * console.log(`sent event ${event}`); + * }); + * + * @param listener + */ + prependAnyOutgoing(listener: (...args: any[]) => void): this; + /** + * Removes the listener that will be fired when any event is emitted. + * + * @example + * const catchAllListener = (event, ...args) => { + * console.log(`sent event ${event}`); + * } + * + * socket.onAnyOutgoing(catchAllListener); + * + * // remove a specific listener + * socket.offAnyOutgoing(catchAllListener); + * + * // or remove all listeners + * socket.offAnyOutgoing(); + * + * @param [listener] - the catch-all listener (optional) + */ + offAnyOutgoing(listener?: (...args: any[]) => void): this; + /** + * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, + * e.g. to remove listeners. + */ + listenersAnyOutgoing(): ((...args: any[]) => void)[]; + /** + * Notify the listeners for each packet sent + * + * @param packet + * + * @private + */ + private notifyOutgoingListeners; +} +export declare namespace Socket { + type DisconnectReason = "io server disconnect" | "io client disconnect" | "ping timeout" | "transport close" | "transport error" | "parse error"; +} +export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/socket.js b/examples/axum-echo/node_modules/socket.io-client/build/esm/socket.js new file mode 100644 index 00000000..90584fa4 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm/socket.js @@ -0,0 +1,838 @@ +import { PacketType } from "socket.io-parser"; +import { on } from "./on.js"; +import { Emitter, } from "@socket.io/component-emitter"; +/** + * Internal events. + * These events can't be emitted by the user. + */ +const RESERVED_EVENTS = Object.freeze({ + connect: 1, + connect_error: 1, + disconnect: 1, + disconnecting: 1, + // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener + newListener: 1, + removeListener: 1, +}); +/** + * A Socket is the fundamental class for interacting with the server. + * + * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate. + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log("connected"); + * }); + * + * // send an event to the server + * socket.emit("foo", "bar"); + * + * socket.on("foobar", () => { + * // an event was received from the server + * }); + * + * // upon disconnection + * socket.on("disconnect", (reason) => { + * console.log(`disconnected due to ${reason}`); + * }); + */ +export class Socket extends Emitter { + /** + * `Socket` constructor. + */ + constructor(io, nsp, opts) { + super(); + /** + * Whether the socket is currently connected to the server. + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log(socket.connected); // true + * }); + * + * socket.on("disconnect", () => { + * console.log(socket.connected); // false + * }); + */ + this.connected = false; + /** + * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will + * be transmitted by the server. + */ + this.recovered = false; + /** + * Buffer for packets received before the CONNECT packet + */ + this.receiveBuffer = []; + /** + * Buffer for packets that will be sent once the socket is connected + */ + this.sendBuffer = []; + /** + * The queue of packets to be sent with retry in case of failure. + * + * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order. + * @private + */ + this._queue = []; + /** + * A sequence to generate the ID of the {@link QueuedPacket}. + * @private + */ + this._queueSeq = 0; + this.ids = 0; + this.acks = {}; + this.flags = {}; + this.io = io; + this.nsp = nsp; + if (opts && opts.auth) { + this.auth = opts.auth; + } + this._opts = Object.assign({}, opts); + if (this.io._autoConnect) + this.open(); + } + /** + * Whether the socket is currently disconnected + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log(socket.disconnected); // false + * }); + * + * socket.on("disconnect", () => { + * console.log(socket.disconnected); // true + * }); + */ + get disconnected() { + return !this.connected; + } + /** + * Subscribe to open, close and packet events + * + * @private + */ + subEvents() { + if (this.subs) + return; + const io = this.io; + this.subs = [ + on(io, "open", this.onopen.bind(this)), + on(io, "packet", this.onpacket.bind(this)), + on(io, "error", this.onerror.bind(this)), + on(io, "close", this.onclose.bind(this)), + ]; + } + /** + * Whether the Socket will try to reconnect when its Manager connects or reconnects. + * + * @example + * const socket = io(); + * + * console.log(socket.active); // true + * + * socket.on("disconnect", (reason) => { + * if (reason === "io server disconnect") { + * // the disconnection was initiated by the server, you need to manually reconnect + * console.log(socket.active); // false + * } + * // else the socket will automatically try to reconnect + * console.log(socket.active); // true + * }); + */ + get active() { + return !!this.subs; + } + /** + * "Opens" the socket. + * + * @example + * const socket = io({ + * autoConnect: false + * }); + * + * socket.connect(); + */ + connect() { + if (this.connected) + return this; + this.subEvents(); + if (!this.io["_reconnecting"]) + this.io.open(); // ensure open + if ("open" === this.io._readyState) + this.onopen(); + return this; + } + /** + * Alias for {@link connect()}. + */ + open() { + return this.connect(); + } + /** + * Sends a `message` event. + * + * This method mimics the WebSocket.send() method. + * + * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send + * + * @example + * socket.send("hello"); + * + * // this is equivalent to + * socket.emit("message", "hello"); + * + * @return self + */ + send(...args) { + args.unshift("message"); + this.emit.apply(this, args); + return this; + } + /** + * Override `emit`. + * If the event is in `events`, it's emitted normally. + * + * @example + * socket.emit("hello", "world"); + * + * // all serializable datastructures are supported (no need to call JSON.stringify) + * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) }); + * + * // with an acknowledgement from the server + * socket.emit("hello", "world", (val) => { + * // ... + * }); + * + * @return self + */ + emit(ev, ...args) { + if (RESERVED_EVENTS.hasOwnProperty(ev)) { + throw new Error('"' + ev.toString() + '" is a reserved event name'); + } + args.unshift(ev); + if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) { + this._addToQueue(args); + return this; + } + const packet = { + type: PacketType.EVENT, + data: args, + }; + packet.options = {}; + packet.options.compress = this.flags.compress !== false; + // event ack callback + if ("function" === typeof args[args.length - 1]) { + const id = this.ids++; + const ack = args.pop(); + this._registerAckCallback(id, ack); + packet.id = id; + } + const isTransportWritable = this.io.engine && + this.io.engine.transport && + this.io.engine.transport.writable; + const discardPacket = this.flags.volatile && (!isTransportWritable || !this.connected); + if (discardPacket) { + } + else if (this.connected) { + this.notifyOutgoingListeners(packet); + this.packet(packet); + } + else { + this.sendBuffer.push(packet); + } + this.flags = {}; + return this; + } + /** + * @private + */ + _registerAckCallback(id, ack) { + var _a; + const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout; + if (timeout === undefined) { + this.acks[id] = ack; + return; + } + // @ts-ignore + const timer = this.io.setTimeoutFn(() => { + delete this.acks[id]; + for (let i = 0; i < this.sendBuffer.length; i++) { + if (this.sendBuffer[i].id === id) { + this.sendBuffer.splice(i, 1); + } + } + ack.call(this, new Error("operation has timed out")); + }, timeout); + this.acks[id] = (...args) => { + // @ts-ignore + this.io.clearTimeoutFn(timer); + ack.apply(this, [null, ...args]); + }; + } + /** + * Emits an event and waits for an acknowledgement + * + * @example + * // without timeout + * const response = await socket.emitWithAck("hello", "world"); + * + * // with a specific timeout + * try { + * const response = await socket.timeout(1000).emitWithAck("hello", "world"); + * } catch (err) { + * // the server did not acknowledge the event in the given delay + * } + * + * @return a Promise that will be fulfilled when the server acknowledges the event + */ + emitWithAck(ev, ...args) { + // the timeout flag is optional + const withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined; + return new Promise((resolve, reject) => { + args.push((arg1, arg2) => { + if (withErr) { + return arg1 ? reject(arg1) : resolve(arg2); + } + else { + return resolve(arg1); + } + }); + this.emit(ev, ...args); + }); + } + /** + * Add the packet to the queue. + * @param args + * @private + */ + _addToQueue(args) { + let ack; + if (typeof args[args.length - 1] === "function") { + ack = args.pop(); + } + const packet = { + id: this._queueSeq++, + tryCount: 0, + pending: false, + args, + flags: Object.assign({ fromQueue: true }, this.flags), + }; + args.push((err, ...responseArgs) => { + if (packet !== this._queue[0]) { + // the packet has already been acknowledged + return; + } + const hasError = err !== null; + if (hasError) { + if (packet.tryCount > this._opts.retries) { + this._queue.shift(); + if (ack) { + ack(err); + } + } + } + else { + this._queue.shift(); + if (ack) { + ack(null, ...responseArgs); + } + } + packet.pending = false; + return this._drainQueue(); + }); + this._queue.push(packet); + this._drainQueue(); + } + /** + * Send the first packet of the queue, and wait for an acknowledgement from the server. + * @param force - whether to resend a packet that has not been acknowledged yet + * + * @private + */ + _drainQueue(force = false) { + if (!this.connected || this._queue.length === 0) { + return; + } + const packet = this._queue[0]; + if (packet.pending && !force) { + return; + } + packet.pending = true; + packet.tryCount++; + this.flags = packet.flags; + this.emit.apply(this, packet.args); + } + /** + * Sends a packet. + * + * @param packet + * @private + */ + packet(packet) { + packet.nsp = this.nsp; + this.io._packet(packet); + } + /** + * Called upon engine `open`. + * + * @private + */ + onopen() { + if (typeof this.auth == "function") { + this.auth((data) => { + this._sendConnectPacket(data); + }); + } + else { + this._sendConnectPacket(this.auth); + } + } + /** + * Sends a CONNECT packet to initiate the Socket.IO session. + * + * @param data + * @private + */ + _sendConnectPacket(data) { + this.packet({ + type: PacketType.CONNECT, + data: this._pid + ? Object.assign({ pid: this._pid, offset: this._lastOffset }, data) + : data, + }); + } + /** + * Called upon engine or manager `error`. + * + * @param err + * @private + */ + onerror(err) { + if (!this.connected) { + this.emitReserved("connect_error", err); + } + } + /** + * Called upon engine `close`. + * + * @param reason + * @param description + * @private + */ + onclose(reason, description) { + this.connected = false; + delete this.id; + this.emitReserved("disconnect", reason, description); + } + /** + * Called with socket packet. + * + * @param packet + * @private + */ + onpacket(packet) { + const sameNamespace = packet.nsp === this.nsp; + if (!sameNamespace) + return; + switch (packet.type) { + case PacketType.CONNECT: + if (packet.data && packet.data.sid) { + this.onconnect(packet.data.sid, packet.data.pid); + } + else { + this.emitReserved("connect_error", new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)")); + } + break; + case PacketType.EVENT: + case PacketType.BINARY_EVENT: + this.onevent(packet); + break; + case PacketType.ACK: + case PacketType.BINARY_ACK: + this.onack(packet); + break; + case PacketType.DISCONNECT: + this.ondisconnect(); + break; + case PacketType.CONNECT_ERROR: + this.destroy(); + const err = new Error(packet.data.message); + // @ts-ignore + err.data = packet.data.data; + this.emitReserved("connect_error", err); + break; + } + } + /** + * Called upon a server event. + * + * @param packet + * @private + */ + onevent(packet) { + const args = packet.data || []; + if (null != packet.id) { + args.push(this.ack(packet.id)); + } + if (this.connected) { + this.emitEvent(args); + } + else { + this.receiveBuffer.push(Object.freeze(args)); + } + } + emitEvent(args) { + if (this._anyListeners && this._anyListeners.length) { + const listeners = this._anyListeners.slice(); + for (const listener of listeners) { + listener.apply(this, args); + } + } + super.emit.apply(this, args); + if (this._pid && args.length && typeof args[args.length - 1] === "string") { + this._lastOffset = args[args.length - 1]; + } + } + /** + * Produces an ack callback to emit with an event. + * + * @private + */ + ack(id) { + const self = this; + let sent = false; + return function (...args) { + // prevent double callbacks + if (sent) + return; + sent = true; + self.packet({ + type: PacketType.ACK, + id: id, + data: args, + }); + }; + } + /** + * Called upon a server acknowlegement. + * + * @param packet + * @private + */ + onack(packet) { + const ack = this.acks[packet.id]; + if ("function" === typeof ack) { + ack.apply(this, packet.data); + delete this.acks[packet.id]; + } + else { + } + } + /** + * Called upon server connect. + * + * @private + */ + onconnect(id, pid) { + this.id = id; + this.recovered = pid && this._pid === pid; + this._pid = pid; // defined only if connection state recovery is enabled + this.connected = true; + this.emitBuffered(); + this.emitReserved("connect"); + this._drainQueue(true); + } + /** + * Emit buffered events (received and emitted). + * + * @private + */ + emitBuffered() { + this.receiveBuffer.forEach((args) => this.emitEvent(args)); + this.receiveBuffer = []; + this.sendBuffer.forEach((packet) => { + this.notifyOutgoingListeners(packet); + this.packet(packet); + }); + this.sendBuffer = []; + } + /** + * Called upon server disconnect. + * + * @private + */ + ondisconnect() { + this.destroy(); + this.onclose("io server disconnect"); + } + /** + * Called upon forced client/server side disconnections, + * this method ensures the manager stops tracking us and + * that reconnections don't get triggered for this. + * + * @private + */ + destroy() { + if (this.subs) { + // clean subscriptions to avoid reconnections + this.subs.forEach((subDestroy) => subDestroy()); + this.subs = undefined; + } + this.io["_destroy"](this); + } + /** + * Disconnects the socket manually. In that case, the socket will not try to reconnect. + * + * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed. + * + * @example + * const socket = io(); + * + * socket.on("disconnect", (reason) => { + * // console.log(reason); prints "io client disconnect" + * }); + * + * socket.disconnect(); + * + * @return self + */ + disconnect() { + if (this.connected) { + this.packet({ type: PacketType.DISCONNECT }); + } + // remove socket from pool + this.destroy(); + if (this.connected) { + // fire events + this.onclose("io client disconnect"); + } + return this; + } + /** + * Alias for {@link disconnect()}. + * + * @return self + */ + close() { + return this.disconnect(); + } + /** + * Sets the compress flag. + * + * @example + * socket.compress(false).emit("hello"); + * + * @param compress - if `true`, compresses the sending data + * @return self + */ + compress(compress) { + this.flags.compress = compress; + return this; + } + /** + * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not + * ready to send messages. + * + * @example + * socket.volatile.emit("hello"); // the server may or may not receive it + * + * @returns self + */ + get volatile() { + this.flags.volatile = true; + return this; + } + /** + * Sets a modifier for a subsequent event emission that the callback will be called with an error when the + * given number of milliseconds have elapsed without an acknowledgement from the server: + * + * @example + * socket.timeout(5000).emit("my-event", (err) => { + * if (err) { + * // the server did not acknowledge the event in the given delay + * } + * }); + * + * @returns self + */ + timeout(timeout) { + this.flags.timeout = timeout; + return this; + } + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. + * + * @example + * socket.onAny((event, ...args) => { + * console.log(`got ${event}`); + * }); + * + * @param listener + */ + onAny(listener) { + this._anyListeners = this._anyListeners || []; + this._anyListeners.push(listener); + return this; + } + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. The listener is added to the beginning of the listeners array. + * + * @example + * socket.prependAny((event, ...args) => { + * console.log(`got event ${event}`); + * }); + * + * @param listener + */ + prependAny(listener) { + this._anyListeners = this._anyListeners || []; + this._anyListeners.unshift(listener); + return this; + } + /** + * Removes the listener that will be fired when any event is emitted. + * + * @example + * const catchAllListener = (event, ...args) => { + * console.log(`got event ${event}`); + * } + * + * socket.onAny(catchAllListener); + * + * // remove a specific listener + * socket.offAny(catchAllListener); + * + * // or remove all listeners + * socket.offAny(); + * + * @param listener + */ + offAny(listener) { + if (!this._anyListeners) { + return this; + } + if (listener) { + const listeners = this._anyListeners; + for (let i = 0; i < listeners.length; i++) { + if (listener === listeners[i]) { + listeners.splice(i, 1); + return this; + } + } + } + else { + this._anyListeners = []; + } + return this; + } + /** + * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, + * e.g. to remove listeners. + */ + listenersAny() { + return this._anyListeners || []; + } + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. + * + * Note: acknowledgements sent to the server are not included. + * + * @example + * socket.onAnyOutgoing((event, ...args) => { + * console.log(`sent event ${event}`); + * }); + * + * @param listener + */ + onAnyOutgoing(listener) { + this._anyOutgoingListeners = this._anyOutgoingListeners || []; + this._anyOutgoingListeners.push(listener); + return this; + } + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. The listener is added to the beginning of the listeners array. + * + * Note: acknowledgements sent to the server are not included. + * + * @example + * socket.prependAnyOutgoing((event, ...args) => { + * console.log(`sent event ${event}`); + * }); + * + * @param listener + */ + prependAnyOutgoing(listener) { + this._anyOutgoingListeners = this._anyOutgoingListeners || []; + this._anyOutgoingListeners.unshift(listener); + return this; + } + /** + * Removes the listener that will be fired when any event is emitted. + * + * @example + * const catchAllListener = (event, ...args) => { + * console.log(`sent event ${event}`); + * } + * + * socket.onAnyOutgoing(catchAllListener); + * + * // remove a specific listener + * socket.offAnyOutgoing(catchAllListener); + * + * // or remove all listeners + * socket.offAnyOutgoing(); + * + * @param [listener] - the catch-all listener (optional) + */ + offAnyOutgoing(listener) { + if (!this._anyOutgoingListeners) { + return this; + } + if (listener) { + const listeners = this._anyOutgoingListeners; + for (let i = 0; i < listeners.length; i++) { + if (listener === listeners[i]) { + listeners.splice(i, 1); + return this; + } + } + } + else { + this._anyOutgoingListeners = []; + } + return this; + } + /** + * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, + * e.g. to remove listeners. + */ + listenersAnyOutgoing() { + return this._anyOutgoingListeners || []; + } + /** + * Notify the listeners for each packet sent + * + * @param packet + * + * @private + */ + notifyOutgoingListeners(packet) { + if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) { + const listeners = this._anyOutgoingListeners.slice(); + for (const listener of listeners) { + listener.apply(this, packet.data); + } + } + } +} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/url.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm/url.d.ts new file mode 100644 index 00000000..d2d669e6 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm/url.d.ts @@ -0,0 +1,33 @@ +declare type ParsedUrl = { + source: string; + protocol: string; + authority: string; + userInfo: string; + user: string; + password: string; + host: string; + port: string; + relative: string; + path: string; + directory: string; + file: string; + query: string; + anchor: string; + pathNames: Array; + queryKey: { + [key: string]: string; + }; + id: string; + href: string; +}; +/** + * URL parser. + * + * @param uri - url + * @param path - the request path of the connection + * @param loc - An object meant to mimic window.location. + * Defaults to window.location. + * @public + */ +export declare function url(uri: string | ParsedUrl, path?: string, loc?: Location): ParsedUrl; +export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/url.js b/examples/axum-echo/node_modules/socket.io-client/build/esm/url.js new file mode 100644 index 00000000..0bc494e5 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/build/esm/url.js @@ -0,0 +1,59 @@ +import { parse } from "engine.io-client"; +/** + * URL parser. + * + * @param uri - url + * @param path - the request path of the connection + * @param loc - An object meant to mimic window.location. + * Defaults to window.location. + * @public + */ +export function url(uri, path = "", loc) { + let obj = uri; + // default to window.location + loc = loc || (typeof location !== "undefined" && location); + if (null == uri) + uri = loc.protocol + "//" + loc.host; + // relative path support + if (typeof uri === "string") { + if ("/" === uri.charAt(0)) { + if ("/" === uri.charAt(1)) { + uri = loc.protocol + uri; + } + else { + uri = loc.host + uri; + } + } + if (!/^(https?|wss?):\/\//.test(uri)) { + if ("undefined" !== typeof loc) { + uri = loc.protocol + "//" + uri; + } + else { + uri = "https://" + uri; + } + } + // parse + obj = parse(uri); + } + // make sure we treat `localhost:80` and `localhost` equally + if (!obj.port) { + if (/^(http|ws)$/.test(obj.protocol)) { + obj.port = "80"; + } + else if (/^(http|ws)s$/.test(obj.protocol)) { + obj.port = "443"; + } + } + obj.path = obj.path || "/"; + const ipv6 = obj.host.indexOf(":") !== -1; + const host = ipv6 ? "[" + obj.host + "]" : obj.host; + // define unique id + obj.id = obj.protocol + "://" + host + ":" + obj.port + path; + // define href + obj.href = + obj.protocol + + "://" + + host + + (loc && loc.port === obj.port ? "" : ":" + obj.port); + return obj; +} diff --git a/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.esm.min.js b/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.esm.min.js new file mode 100644 index 00000000..ecddf45d --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.esm.min.js @@ -0,0 +1,7 @@ +/*! + * Socket.IO v4.7.4 + * (c) 2014-2024 Guillermo Rauch + * Released under the MIT License. + */ +const t=Object.create(null);t.open="0",t.close="1",t.ping="2",t.pong="3",t.message="4",t.upgrade="5",t.noop="6";const e=Object.create(null);Object.keys(t).forEach((s=>{e[t[s]]=s}));const s={type:"error",data:"parser error"},n="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===Object.prototype.toString.call(Blob),i="function"==typeof ArrayBuffer,r=t=>"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t&&t.buffer instanceof ArrayBuffer,o=({type:e,data:s},o,h)=>n&&s instanceof 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r=()=>{n.read().then((({done:t,value:e})=>{t||(this.onPacket(e),r())})).catch((t=>{}))};r();const o={type:"open"};this.query.sid&&(o.data=`{"sid":"${this.query.sid}"}`),this.writer.write(o).then((()=>this.onOpen()))}))})))}write(t){this.writable=!1;for(let e=0;e{n&&K((()=>{this.writable=!0,this.emitReserved("drain")}),this.setTimeoutFn)}))}}doClose(){var t;null===(t=this.transport)||void 0===t||t.close()}},polling:class extends C{constructor(t){if(super(t),this.polling=!1,"undefined"!=typeof location){const e="https:"===location.protocol;let s=location.port;s||(s=e?"443":"80"),this.xd="undefined"!=typeof location&&t.hostname!==location.hostname||s!==t.port}const e=t&&t.forceBase64;this.supportsBinary=M&&!e,this.opts.withCredentials&&(this.cookieJar=void 0)}get name(){return"polling"}doOpen(){this.poll()}pause(t){this.readyState="pausing";const e=()=>{this.readyState="paused",t()};if(this.polling||!this.writable){let t=0;this.polling&&(t++,this.once("pollComplete",(function(){--t||e()}))),this.writable||(t++,this.once("drain",(function(){--t||e()})))}else e()}poll(){this.polling=!0,this.doPoll(),this.emitReserved("poll")}onData(t){((t,e)=>{const s=t.split(g),n=[];for(let t=0;t{if("opening"===this.readyState&&"open"===t.type&&this.onOpen(),"close"===t.type)return this.onClose({description:"transport closed by the server"}),!1;this.onPacket(t)})),"closed"!==this.readyState&&(this.polling=!1,this.emitReserved("pollComplete"),"open"===this.readyState&&this.poll())}doClose(){const t=()=>{this.write([{type:"close"}])};"open"===this.readyState?t():this.once("open",t)}write(t){this.writable=!1,((t,e)=>{const s=t.length,n=new Array(s);let i=0;t.forEach(((t,r)=>{o(t,!1,(t=>{n[r]=t,++i===s&&e(n.join(g))}))}))})(t,(t=>{this.doWrite(t,(()=>{this.writable=!0,this.emitReserved("drain")}))}))}uri(){const t=this.opts.secure?"https":"http",e=this.query||{};return!1!==this.opts.timestampRequests&&(e[this.opts.timestampParam]=j()),this.supportsBinary||e.sid||(e.b64=1),this.createUri(t,e)}request(t={}){return Object.assign(t,{xd:this.xd,cookieJar:this.cookieJar},this.opts),new V(this.uri(),t)}doWrite(t,e){const s=this.request({method:"POST",data:t});s.on("success",e),s.on("error",((t,e)=>{this.onError("xhr post error",t,e)}))}doPoll(){const t=this.request();t.on("data",this.onData.bind(this)),t.on("error",((t,e)=>{this.onError("xhr poll error",t,e)})),this.pollXhr=t}}},J=/^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,$=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];function Q(t){const e=t,s=t.indexOf("["),n=t.indexOf("]");-1!=s&&-1!=n&&(t=t.substring(0,s)+t.substring(s,n).replace(/:/g,";")+t.substring(n,t.length));let i=J.exec(t||""),r={},o=14;for(;o--;)r[$[o]]=i[o]||"";return-1!=s&&-1!=n&&(r.source=e,r.host=r.host.substring(1,r.host.length-1).replace(/;/g,":"),r.authority=r.authority.replace("[","").replace("]","").replace(/;/g,":"),r.ipv6uri=!0),r.pathNames=function(t,e){const s=/\/{2,9}/g,n=e.replace(s,"/").split("/");"/"!=e.slice(0,1)&&0!==e.length||n.splice(0,1);"/"==e.slice(-1)&&n.splice(n.length-1,1);return n}(0,r.path),r.queryKey=function(t,e){const s={};return e.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,(function(t,e,n){e&&(s[e]=n)})),s}(0,r.query),r}class X extends k{constructor(t,e={}){super(),this.binaryType="arraybuffer",this.writeBuffer=[],t&&"object"==typeof t&&(e=t,t=null),t?(t=Q(t),e.hostname=t.host,e.secure="https"===t.protocol||"wss"===t.protocol,e.port=t.port,t.query&&(e.query=t.query)):e.host&&(e.hostname=Q(e.host).host),T(this,e),this.secure=null!=e.secure?e.secure:"undefined"!=typeof location&&"https:"===location.protocol,e.hostname&&!e.port&&(e.port=this.secure?"443":"80"),this.hostname=e.hostname||("undefined"!=typeof location?location.hostname:"localhost"),this.port=e.port||("undefined"!=typeof location&&location.port?location.port:this.secure?"443":"80"),this.transports=e.transports||["polling","websocket","webtransport"],this.writeBuffer=[],this.prevBufferLen=0,this.opts=Object.assign({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,addTrailingSlash:!0,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!1},e),this.opts.path=this.opts.path.replace(/\/$/,"")+(this.opts.addTrailingSlash?"/":""),"string"==typeof this.opts.query&&(this.opts.query=function(t){let e={},s=t.split("&");for(let t=0,n=s.length;t{this.transport&&(this.transport.removeAllListeners(),this.transport.close())},addEventListener("beforeunload",this.beforeunloadEventListener,!1)),"localhost"!==this.hostname&&(this.offlineEventListener=()=>{this.onClose("transport close",{description:"network connection lost"})},addEventListener("offline",this.offlineEventListener,!1))),this.open()}createTransport(t){const e=Object.assign({},this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);const s=Object.assign({},this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port},this.opts.transportOptions[t]);return new z[t](s)}open(){let t;if(this.opts.rememberUpgrade&&X.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((()=>{this.emitReserved("error","No transports available")}),0);t=this.transports[0]}this.readyState="opening";try{t=this.createTransport(t)}catch(t){return this.transports.shift(),void this.open()}t.open(),this.setTransport(t)}setTransport(t){this.transport&&this.transport.removeAllListeners(),this.transport=t,t.on("drain",this.onDrain.bind(this)).on("packet",this.onPacket.bind(this)).on("error",this.onError.bind(this)).on("close",(t=>this.onClose("transport close",t)))}probe(t){let e=this.createTransport(t),s=!1;X.priorWebsocketSuccess=!1;const n=()=>{s||(e.send([{type:"ping",data:"probe"}]),e.once("packet",(t=>{if(!s)if("pong"===t.type&&"probe"===t.data){if(this.upgrading=!0,this.emitReserved("upgrading",e),!e)return;X.priorWebsocketSuccess="websocket"===e.name,this.transport.pause((()=>{s||"closed"!==this.readyState&&(c(),this.setTransport(e),e.send([{type:"upgrade"}]),this.emitReserved("upgrade",e),e=null,this.upgrading=!1,this.flush())}))}else{const t=new Error("probe error");t.transport=e.name,this.emitReserved("upgradeError",t)}})))};function i(){s||(s=!0,c(),e.close(),e=null)}const r=t=>{const s=new Error("probe error: "+t);s.transport=e.name,i(),this.emitReserved("upgradeError",s)};function o(){r("transport closed")}function a(){r("socket closed")}function h(t){e&&t.name!==e.name&&i()}const c=()=>{e.removeListener("open",n),e.removeListener("error",r),e.removeListener("close",o),this.off("close",a),this.off("upgrading",h)};e.once("open",n),e.once("error",r),e.once("close",o),this.once("close",a),this.once("upgrading",h),-1!==this.upgrades.indexOf("webtransport")&&"webtransport"!==t?this.setTimeoutFn((()=>{s||e.open()}),200):e.open()}onOpen(){if(this.readyState="open",X.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade){let t=0;const e=this.upgrades.length;for(;t{this.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}onDrain(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}flush(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){const t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}getWritablePackets(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;let t=1;for(let s=0;s=57344?s+=3:(n++,s+=4);return s}(e):Math.ceil(1.33*(e.byteLength||e.size))),s>0&&t>this.maxPayload)return this.writeBuffer.slice(0,s);t+=2}var e;return this.writeBuffer}write(t,e,s){return this.sendPacket("message",t,e,s),this}send(t,e,s){return this.sendPacket("message",t,e,s),this}sendPacket(t,e,s,n){if("function"==typeof e&&(n=e,e=void 0),"function"==typeof s&&(n=s,s=null),"closing"===this.readyState||"closed"===this.readyState)return;(s=s||{}).compress=!1!==s.compress;const i={type:t,data:e,options:s};this.emitReserved("packetCreate",i),this.writeBuffer.push(i),n&&this.once("flush",n),this.flush()}close(){const t=()=>{this.onClose("forced close"),this.transport.close()},e=()=>{this.off("upgrade",e),this.off("upgradeError",e),t()},s=()=>{this.once("upgrade",e),this.once("upgradeError",e)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(()=>{this.upgrading?s():t()})):this.upgrading?s():t()),this}onError(t){X.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}onClose(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),"function"==typeof removeEventListener&&(removeEventListener("beforeunload",this.beforeunloadEventListener,!1),removeEventListener("offline",this.offlineEventListener,!1)),this.readyState="closed",this.id=null,this.emitReserved("close",t,e),this.writeBuffer=[],this.prevBufferLen=0)}filterUpgrades(t){const e=[];let s=0;const n=t.length;for(;s"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t.buffer instanceof ArrayBuffer,tt=Object.prototype.toString,et="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===tt.call(Blob),st="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===tt.call(File);function nt(t){return G&&(t instanceof ArrayBuffer||Z(t))||et&&t instanceof Blob||st&&t instanceof File}function it(t,e){if(!t||"object"!=typeof t)return!1;if(Array.isArray(t)){for(let e=0,s=t.length;e=0&&t.num{delete this.acks[t];for(let e=0;e{this.io.clearTimeoutFn(i),e.apply(this,[null,...t])}}emitWithAck(t,...e){const s=void 0!==this.flags.timeout||void 0!==this._opts.ackTimeout;return new Promise(((n,i)=>{e.push(((t,e)=>s?t?i(t):n(e):n(t))),this.emit(t,...e)}))}_addToQueue(t){let e;"function"==typeof t[t.length-1]&&(e=t.pop());const s={id:this._queueSeq++,tryCount:0,pending:!1,args:t,flags:Object.assign({fromQueue:!0},this.flags)};t.push(((t,...n)=>{if(s!==this._queue[0])return;return null!==t?s.tryCount>this._opts.retries&&(this._queue.shift(),e&&e(t)):(this._queue.shift(),e&&e(null,...n)),s.pending=!1,this._drainQueue()})),this._queue.push(s),this._drainQueue()}_drainQueue(t=!1){if(!this.connected||0===this._queue.length)return;const e=this._queue[0];e.pending&&!t||(e.pending=!0,e.tryCount++,this.flags=e.flags,this.emit.apply(this,e.args))}packet(t){t.nsp=this.nsp,this.io._packet(t)}onopen(){"function"==typeof this.auth?this.auth((t=>{this._sendConnectPacket(t)})):this._sendConnectPacket(this.auth)}_sendConnectPacket(t){this.packet({type:pt.CONNECT,data:this._pid?Object.assign({pid:this._pid,offset:this._lastOffset},t):t})}onerror(t){this.connected||this.emitReserved("connect_error",t)}onclose(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}onpacket(t){if(t.nsp===this.nsp)switch(t.type){case pt.CONNECT:t.data&&t.data.sid?this.onconnect(t.data.sid,t.data.pid):this.emitReserved("connect_error",new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)"));break;case pt.EVENT:case pt.BINARY_EVENT:this.onevent(t);break;case pt.ACK:case pt.BINARY_ACK:this.onack(t);break;case pt.DISCONNECT:this.ondisconnect();break;case pt.CONNECT_ERROR:this.destroy();const e=new Error(t.data.message);e.data=t.data.data,this.emitReserved("connect_error",e)}}onevent(t){const e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}emitEvent(t){if(this._anyListeners&&this._anyListeners.length){const e=this._anyListeners.slice();for(const s of e)s.apply(this,t)}super.emit.apply(this,t),this._pid&&t.length&&"string"==typeof t[t.length-1]&&(this._lastOffset=t[t.length-1])}ack(t){const e=this;let s=!1;return function(...n){s||(s=!0,e.packet({type:pt.ACK,id:t,data:n}))}}onack(t){const e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}onconnect(t,e){this.id=t,this.recovered=e&&this._pid===e,this._pid=e,this.connected=!0,this.emitBuffered(),this.emitReserved("connect"),this._drainQueue(!0)}emitBuffered(){this.receiveBuffer.forEach((t=>this.emitEvent(t))),this.receiveBuffer=[],this.sendBuffer.forEach((t=>{this.notifyOutgoingListeners(t),this.packet(t)})),this.sendBuffer=[]}ondisconnect(){this.destroy(),this.onclose("io server disconnect")}destroy(){this.subs&&(this.subs.forEach((t=>t())),this.subs=void 0),this.io._destroy(this)}disconnect(){return this.connected&&this.packet({type:pt.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}close(){return this.disconnect()}compress(t){return this.flags.compress=t,this}get volatile(){return this.flags.volatile=!0,this}timeout(t){return this.flags.timeout=t,this}onAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}prependAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}offAny(t){if(!this._anyListeners)return this;if(t){const e=this._anyListeners;for(let s=0;s0&&t.jitter<=1?t.jitter:0,this.attempts=0}vt.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),s=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-s:t+s}return 0|Math.min(t,this.max)},vt.prototype.reset=function(){this.attempts=0},vt.prototype.setMin=function(t){this.ms=t},vt.prototype.setMax=function(t){this.max=t},vt.prototype.setJitter=function(t){this.jitter=t};class wt extends k{constructor(t,e){var s;super(),this.nsps={},this.subs=[],t&&"object"==typeof t&&(e=t,t=void 0),(e=e||{}).path=e.path||"/socket.io",this.opts=e,T(this,e),this.reconnection(!1!==e.reconnection),this.reconnectionAttempts(e.reconnectionAttempts||1/0),this.reconnectionDelay(e.reconnectionDelay||1e3),this.reconnectionDelayMax(e.reconnectionDelayMax||5e3),this.randomizationFactor(null!==(s=e.randomizationFactor)&&void 0!==s?s:.5),this.backoff=new vt({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(null==e.timeout?2e4:e.timeout),this._readyState="closed",this.uri=t;const n=e.parser||yt;this.encoder=new n.Encoder,this.decoder=new n.Decoder,this._autoConnect=!1!==e.autoConnect,this._autoConnect&&this.open()}reconnection(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}reconnectionAttempts(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}reconnectionDelay(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}randomizationFactor(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}reconnectionDelayMax(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}timeout(t){return arguments.length?(this._timeout=t,this):this._timeout}maybeReconnectOnOpen(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}open(t){if(~this._readyState.indexOf("open"))return this;this.engine=new X(this.uri,this.opts);const e=this.engine,s=this;this._readyState="opening",this.skipReconnect=!1;const n=gt(e,"open",(function(){s.onopen(),t&&t()})),i=e=>{this.cleanup(),this._readyState="closed",this.emitReserved("error",e),t?t(e):this.maybeReconnectOnOpen()},r=gt(e,"error",i);if(!1!==this._timeout){const t=this._timeout,s=this.setTimeoutFn((()=>{n(),i(new Error("timeout")),e.close()}),t);this.opts.autoUnref&&s.unref(),this.subs.push((()=>{this.clearTimeoutFn(s)}))}return this.subs.push(n),this.subs.push(r),this}connect(t){return this.open(t)}onopen(){this.cleanup(),this._readyState="open",this.emitReserved("open");const t=this.engine;this.subs.push(gt(t,"ping",this.onping.bind(this)),gt(t,"data",this.ondata.bind(this)),gt(t,"error",this.onerror.bind(this)),gt(t,"close",this.onclose.bind(this)),gt(this.decoder,"decoded",this.ondecoded.bind(this)))}onping(){this.emitReserved("ping")}ondata(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}}ondecoded(t){K((()=>{this.emitReserved("packet",t)}),this.setTimeoutFn)}onerror(t){this.emitReserved("error",t)}socket(t,e){let s=this.nsps[t];return s?this._autoConnect&&!s.active&&s.connect():(s=new bt(this,t,e),this.nsps[t]=s),s}_destroy(t){const e=Object.keys(this.nsps);for(const t of e){if(this.nsps[t].active)return}this._close()}_packet(t){const e=this.encoder.encode(t);for(let s=0;st())),this.subs.length=0,this.decoder.destroy()}_close(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}disconnect(){return this._close()}onclose(t,e){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t,e),this._reconnection&&!this.skipReconnect&&this.reconnect()}reconnect(){if(this._reconnecting||this.skipReconnect)return this;const t=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{const e=this.backoff.duration();this._reconnecting=!0;const s=this.setTimeoutFn((()=>{t.skipReconnect||(this.emitReserved("reconnect_attempt",t.backoff.attempts),t.skipReconnect||t.open((e=>{e?(t._reconnecting=!1,t.reconnect(),this.emitReserved("reconnect_error",e)):t.onreconnect()})))}),e);this.opts.autoUnref&&s.unref(),this.subs.push((()=>{this.clearTimeoutFn(s)}))}}onreconnect(){const t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}const kt={};function _t(t,e){"object"==typeof t&&(e=t,t=void 0);const s=function(t,e="",s){let n=t;s=s||"undefined"!=typeof location&&location,null==t&&(t=s.protocol+"//"+s.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?s.protocol+t:s.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==s?s.protocol+"//"+t:"https://"+t),n=Q(t)),n.port||(/^(http|ws)$/.test(n.protocol)?n.port="80":/^(http|ws)s$/.test(n.protocol)&&(n.port="443")),n.path=n.path||"/";const i=-1!==n.host.indexOf(":")?"["+n.host+"]":n.host;return n.id=n.protocol+"://"+i+":"+n.port+e,n.href=n.protocol+"://"+i+(s&&s.port===n.port?"":":"+n.port),n}(t,(e=e||{}).path||"/socket.io"),n=s.source,i=s.id,r=s.path,o=kt[i]&&r in kt[i].nsps;let a;return e.forceNew||e["force new connection"]||!1===e.multiplex||o?a=new wt(n,e):(kt[i]||(kt[i]=new wt(n,e)),a=kt[i]),s.query&&!e.query&&(e.query=s.queryKey),a.socket(s.path,e)}Object.assign(_t,{Manager:wt,Socket:bt,io:_t,connect:_t});export{wt as Manager,bt as Socket,_t as connect,_t as default,_t as io,ut as protocol}; +//# sourceMappingURL=socket.io.esm.min.js.map diff --git a/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.esm.min.js.map b/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.esm.min.js.map new file mode 100644 index 00000000..f78e5b78 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.esm.min.js.map @@ -0,0 +1 @@ +{"version":3,"file":"socket.io.esm.min.js","sources":["../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/commons.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/encodePacket.browser.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/decodePacket.browser.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/index.js","../node_modules/@socket.io/component-emitter/index.mjs","../node_modules/engine.io-client/build/esm/globalThis.browser.js","../node_modules/engine.io-client/build/esm/util.js","../node_modules/engine.io-client/build/esm/transport.js","../node_modules/engine.io-client/build/esm/contrib/parseqs.js","../node_modules/engine.io-client/build/esm/contrib/yeast.js","../node_modules/engine.io-client/build/esm/contrib/has-cors.js","../node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.js","../node_modules/engine.io-client/build/esm/transports/polling.js","../node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.js","../node_modules/engine.io-client/build/esm/transports/websocket.js","../node_modules/engine.io-client/build/esm/transports/index.js","../node_modules/engine.io-client/build/esm/transports/webtransport.js","../node_modules/engine.io-client/build/esm/contrib/parseuri.js","../node_modules/engine.io-client/build/esm/socket.js","../node_modules/socket.io-parser/build/esm/is-binary.js","../node_modules/socket.io-parser/build/esm/binary.js","../node_modules/socket.io-parser/build/esm/index.js","../build/esm/on.js","../build/esm/socket.js","../build/esm/contrib/backo2.js","../build/esm/manager.js","../build/esm/index.js","../build/esm/url.js"],"sourcesContent":["const PACKET_TYPES = Object.create(null); // no Map = no polyfill\nPACKET_TYPES[\"open\"] = \"0\";\nPACKET_TYPES[\"close\"] = \"1\";\nPACKET_TYPES[\"ping\"] = \"2\";\nPACKET_TYPES[\"pong\"] = \"3\";\nPACKET_TYPES[\"message\"] = \"4\";\nPACKET_TYPES[\"upgrade\"] = \"5\";\nPACKET_TYPES[\"noop\"] = \"6\";\nconst PACKET_TYPES_REVERSE = Object.create(null);\nObject.keys(PACKET_TYPES).forEach(key => {\n PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;\n});\nconst ERROR_PACKET = { type: \"error\", data: \"parser error\" };\nexport { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET };\n","import { PACKET_TYPES } from \"./commons.js\";\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n Object.prototype.toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\n// ArrayBuffer.isView method is not defined in IE10\nconst isView = obj => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj && obj.buffer instanceof ArrayBuffer;\n};\nconst encodePacket = ({ type, data }, supportsBinary, callback) => {\n if (withNativeBlob && data instanceof Blob) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(data, callback);\n }\n }\n else if (withNativeArrayBuffer &&\n (data instanceof ArrayBuffer || isView(data))) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(new Blob([data]), callback);\n }\n }\n // plain string\n return callback(PACKET_TYPES[type] + (data || \"\"));\n};\nconst encodeBlobAsBase64 = (data, callback) => {\n const fileReader = new FileReader();\n fileReader.onload = function () {\n const content = fileReader.result.split(\",\")[1];\n callback(\"b\" + (content || \"\"));\n };\n return fileReader.readAsDataURL(data);\n};\nfunction toArray(data) {\n if (data instanceof Uint8Array) {\n return data;\n }\n else if (data instanceof ArrayBuffer) {\n return new Uint8Array(data);\n }\n else {\n return new Uint8Array(data.buffer, data.byteOffset, data.byteLength);\n }\n}\nlet TEXT_ENCODER;\nexport function encodePacketToBinary(packet, callback) {\n if (withNativeBlob && packet.data instanceof Blob) {\n return packet.data\n .arrayBuffer()\n .then(toArray)\n .then(callback);\n }\n else if (withNativeArrayBuffer &&\n (packet.data instanceof ArrayBuffer || isView(packet.data))) {\n return callback(toArray(packet.data));\n }\n encodePacket(packet, false, encoded => {\n if (!TEXT_ENCODER) {\n TEXT_ENCODER = new TextEncoder();\n }\n callback(TEXT_ENCODER.encode(encoded));\n });\n}\nexport { encodePacket };\n","// imported from https://github.com/socketio/base64-arraybuffer\nconst chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\n// Use a lookup table to find the index.\nconst lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256);\nfor (let i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n}\nexport const encode = (arraybuffer) => {\n let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = '';\n for (i = 0; i < len; i += 3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n if (len % 3 === 2) {\n base64 = base64.substring(0, base64.length - 1) + '=';\n }\n else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + '==';\n }\n return base64;\n};\nexport const decode = (base64) => {\n let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;\n if (base64[base64.length - 1] === '=') {\n bufferLength--;\n if (base64[base64.length - 2] === '=') {\n bufferLength--;\n }\n }\n const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);\n for (i = 0; i < len; i += 4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i + 1)];\n encoded3 = lookup[base64.charCodeAt(i + 2)];\n encoded4 = lookup[base64.charCodeAt(i + 3)];\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n return arraybuffer;\n};\n","import { ERROR_PACKET, PACKET_TYPES_REVERSE } from \"./commons.js\";\nimport { decode } from \"./contrib/base64-arraybuffer.js\";\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nexport const decodePacket = (encodedPacket, binaryType) => {\n if (typeof encodedPacket !== \"string\") {\n return {\n type: \"message\",\n data: mapBinary(encodedPacket, binaryType)\n };\n }\n const type = encodedPacket.charAt(0);\n if (type === \"b\") {\n return {\n type: \"message\",\n data: decodeBase64Packet(encodedPacket.substring(1), binaryType)\n };\n }\n const packetType = PACKET_TYPES_REVERSE[type];\n if (!packetType) {\n return ERROR_PACKET;\n }\n return encodedPacket.length > 1\n ? {\n type: PACKET_TYPES_REVERSE[type],\n data: encodedPacket.substring(1)\n }\n : {\n type: PACKET_TYPES_REVERSE[type]\n };\n};\nconst decodeBase64Packet = (data, binaryType) => {\n if (withNativeArrayBuffer) {\n const decoded = decode(data);\n return mapBinary(decoded, binaryType);\n }\n else {\n return { base64: true, data }; // fallback for old browsers\n }\n};\nconst mapBinary = (data, binaryType) => {\n switch (binaryType) {\n case \"blob\":\n if (data instanceof Blob) {\n // from WebSocket + binaryType \"blob\"\n return data;\n }\n else {\n // from HTTP long-polling or WebTransport\n return new Blob([data]);\n }\n case \"arraybuffer\":\n default:\n if (data instanceof ArrayBuffer) {\n // from HTTP long-polling (base64) or WebSocket + binaryType \"arraybuffer\"\n return data;\n }\n else {\n // from WebTransport (Uint8Array)\n return data.buffer;\n }\n }\n};\n","import { encodePacket, encodePacketToBinary } from \"./encodePacket.js\";\nimport { decodePacket } from \"./decodePacket.js\";\nimport { ERROR_PACKET } from \"./commons.js\";\nconst SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text\nconst encodePayload = (packets, callback) => {\n // some packets may be added to the array while encoding, so the initial length must be saved\n const length = packets.length;\n const encodedPackets = new Array(length);\n let count = 0;\n packets.forEach((packet, i) => {\n // force base64 encoding for binary packets\n encodePacket(packet, false, encodedPacket => {\n encodedPackets[i] = encodedPacket;\n if (++count === length) {\n callback(encodedPackets.join(SEPARATOR));\n }\n });\n });\n};\nconst decodePayload = (encodedPayload, binaryType) => {\n const encodedPackets = encodedPayload.split(SEPARATOR);\n const packets = [];\n for (let i = 0; i < encodedPackets.length; i++) {\n const decodedPacket = decodePacket(encodedPackets[i], binaryType);\n packets.push(decodedPacket);\n if (decodedPacket.type === \"error\") {\n break;\n }\n }\n return packets;\n};\nexport function createPacketEncoderStream() {\n return new TransformStream({\n transform(packet, controller) {\n encodePacketToBinary(packet, encodedPacket => {\n const payloadLength = encodedPacket.length;\n let header;\n // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length\n if (payloadLength < 126) {\n header = new Uint8Array(1);\n new DataView(header.buffer).setUint8(0, payloadLength);\n }\n else if (payloadLength < 65536) {\n header = new Uint8Array(3);\n const view = new DataView(header.buffer);\n view.setUint8(0, 126);\n view.setUint16(1, payloadLength);\n }\n else {\n header = new Uint8Array(9);\n const view = new DataView(header.buffer);\n view.setUint8(0, 127);\n view.setBigUint64(1, BigInt(payloadLength));\n }\n // first bit indicates whether the payload is plain text (0) or binary (1)\n if (packet.data && typeof packet.data !== \"string\") {\n header[0] |= 0x80;\n }\n controller.enqueue(header);\n controller.enqueue(encodedPacket);\n });\n }\n });\n}\nlet TEXT_DECODER;\nfunction totalLength(chunks) {\n return chunks.reduce((acc, chunk) => acc + chunk.length, 0);\n}\nfunction concatChunks(chunks, size) {\n if (chunks[0].length === size) {\n return chunks.shift();\n }\n const buffer = new Uint8Array(size);\n let j = 0;\n for (let i = 0; i < size; i++) {\n buffer[i] = chunks[0][j++];\n if (j === chunks[0].length) {\n chunks.shift();\n j = 0;\n }\n }\n if (chunks.length && j < chunks[0].length) {\n chunks[0] = chunks[0].slice(j);\n }\n return buffer;\n}\nexport function createPacketDecoderStream(maxPayload, binaryType) {\n if (!TEXT_DECODER) {\n TEXT_DECODER = new TextDecoder();\n }\n const chunks = [];\n let state = 0 /* READ_HEADER */;\n let expectedLength = -1;\n let isBinary = false;\n return new TransformStream({\n transform(chunk, controller) {\n chunks.push(chunk);\n while (true) {\n if (state === 0 /* READ_HEADER */) {\n if (totalLength(chunks) < 1) {\n break;\n }\n const header = concatChunks(chunks, 1);\n isBinary = (header[0] & 0x80) === 0x80;\n expectedLength = header[0] & 0x7f;\n if (expectedLength < 126) {\n state = 3 /* READ_PAYLOAD */;\n }\n else if (expectedLength === 126) {\n state = 1 /* READ_EXTENDED_LENGTH_16 */;\n }\n else {\n state = 2 /* READ_EXTENDED_LENGTH_64 */;\n }\n }\n else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) {\n if (totalLength(chunks) < 2) {\n break;\n }\n const headerArray = concatChunks(chunks, 2);\n expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0);\n state = 3 /* READ_PAYLOAD */;\n }\n else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) {\n if (totalLength(chunks) < 8) {\n break;\n }\n const headerArray = concatChunks(chunks, 8);\n const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length);\n const n = view.getUint32(0);\n if (n > Math.pow(2, 53 - 32) - 1) {\n // the maximum safe integer in JavaScript is 2^53 - 1\n controller.enqueue(ERROR_PACKET);\n break;\n }\n expectedLength = n * Math.pow(2, 32) + view.getUint32(4);\n state = 3 /* READ_PAYLOAD */;\n }\n else {\n if (totalLength(chunks) < expectedLength) {\n break;\n }\n const data = concatChunks(chunks, expectedLength);\n controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType));\n state = 0 /* READ_HEADER */;\n }\n if (expectedLength === 0 || expectedLength > maxPayload) {\n controller.enqueue(ERROR_PACKET);\n break;\n }\n }\n }\n });\n}\nexport const protocol = 4;\nexport { encodePacket, encodePayload, decodePacket, decodePayload };\n","/**\n * Initialize a new `Emitter`.\n *\n * @api public\n */\n\nexport function Emitter(obj) {\n if (obj) return mixin(obj);\n}\n\n/**\n * Mixin the emitter properties.\n *\n * @param {Object} obj\n * @return {Object}\n * @api private\n */\n\nfunction mixin(obj) {\n for (var key in Emitter.prototype) {\n obj[key] = Emitter.prototype[key];\n }\n return obj;\n}\n\n/**\n * Listen on the given `event` with `fn`.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.on =\nEmitter.prototype.addEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\n .push(fn);\n return this;\n};\n\n/**\n * Adds an `event` listener that will be invoked a single\n * time then automatically removed.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.once = function(event, fn){\n function on() {\n this.off(event, on);\n fn.apply(this, arguments);\n }\n\n on.fn = fn;\n this.on(event, on);\n return this;\n};\n\n/**\n * Remove the given callback for `event` or all\n * registered callbacks.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.off =\nEmitter.prototype.removeListener =\nEmitter.prototype.removeAllListeners =\nEmitter.prototype.removeEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n\n // all\n if (0 == arguments.length) {\n this._callbacks = {};\n return this;\n }\n\n // specific event\n var callbacks = this._callbacks['$' + event];\n if (!callbacks) return this;\n\n // remove all handlers\n if (1 == arguments.length) {\n delete this._callbacks['$' + event];\n return this;\n }\n\n // remove specific handler\n var cb;\n for (var i = 0; i < callbacks.length; i++) {\n cb = callbacks[i];\n if (cb === fn || cb.fn === fn) {\n callbacks.splice(i, 1);\n break;\n }\n }\n\n // Remove event specific arrays for event types that no\n // one is subscribed for to avoid memory leak.\n if (callbacks.length === 0) {\n delete this._callbacks['$' + event];\n }\n\n return this;\n};\n\n/**\n * Emit `event` with the given args.\n *\n * @param {String} event\n * @param {Mixed} ...\n * @return {Emitter}\n */\n\nEmitter.prototype.emit = function(event){\n this._callbacks = this._callbacks || {};\n\n var args = new Array(arguments.length - 1)\n , callbacks = this._callbacks['$' + event];\n\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n\n if (callbacks) {\n callbacks = callbacks.slice(0);\n for (var i = 0, len = callbacks.length; i < len; ++i) {\n callbacks[i].apply(this, args);\n }\n }\n\n return this;\n};\n\n// alias used for reserved events (protected method)\nEmitter.prototype.emitReserved = Emitter.prototype.emit;\n\n/**\n * Return array of callbacks for `event`.\n *\n * @param {String} event\n * @return {Array}\n * @api public\n */\n\nEmitter.prototype.listeners = function(event){\n this._callbacks = this._callbacks || {};\n return this._callbacks['$' + event] || [];\n};\n\n/**\n * Check if this emitter has `event` handlers.\n *\n * @param {String} event\n * @return {Boolean}\n * @api public\n */\n\nEmitter.prototype.hasListeners = function(event){\n return !! this.listeners(event).length;\n};\n","export const globalThisShim = (() => {\n if (typeof self !== \"undefined\") {\n return self;\n }\n else if (typeof window !== \"undefined\") {\n return window;\n }\n else {\n return Function(\"return this\")();\n }\n})();\n","import { globalThisShim as globalThis } from \"./globalThis.js\";\nexport function pick(obj, ...attr) {\n return attr.reduce((acc, k) => {\n if (obj.hasOwnProperty(k)) {\n acc[k] = obj[k];\n }\n return acc;\n }, {});\n}\n// Keep a reference to the real timeout functions so they can be used when overridden\nconst NATIVE_SET_TIMEOUT = globalThis.setTimeout;\nconst NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout;\nexport function installTimerFunctions(obj, opts) {\n if (opts.useNativeTimers) {\n obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis);\n obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis);\n }\n else {\n obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis);\n obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis);\n }\n}\n// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64)\nconst BASE64_OVERHEAD = 1.33;\n// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9\nexport function byteLength(obj) {\n if (typeof obj === \"string\") {\n return utf8Length(obj);\n }\n // arraybuffer or blob\n return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD);\n}\nfunction utf8Length(str) {\n let c = 0, length = 0;\n for (let i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n length += 1;\n }\n else if (c < 0x800) {\n length += 2;\n }\n else if (c < 0xd800 || c >= 0xe000) {\n length += 3;\n }\n else {\n i++;\n length += 4;\n }\n }\n return length;\n}\n","import { decodePacket } from \"engine.io-parser\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions } from \"./util.js\";\nimport { encode } from \"./contrib/parseqs.js\";\nclass TransportError extends Error {\n constructor(reason, description, context) {\n super(reason);\n this.description = description;\n this.context = context;\n this.type = \"TransportError\";\n }\n}\nexport class Transport extends Emitter {\n /**\n * Transport abstract constructor.\n *\n * @param {Object} opts - options\n * @protected\n */\n constructor(opts) {\n super();\n this.writable = false;\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.query = opts.query;\n this.socket = opts.socket;\n }\n /**\n * Emits an error.\n *\n * @param {String} reason\n * @param description\n * @param context - the error context\n * @return {Transport} for chaining\n * @protected\n */\n onError(reason, description, context) {\n super.emitReserved(\"error\", new TransportError(reason, description, context));\n return this;\n }\n /**\n * Opens the transport.\n */\n open() {\n this.readyState = \"opening\";\n this.doOpen();\n return this;\n }\n /**\n * Closes the transport.\n */\n close() {\n if (this.readyState === \"opening\" || this.readyState === \"open\") {\n this.doClose();\n this.onClose();\n }\n return this;\n }\n /**\n * Sends multiple packets.\n *\n * @param {Array} packets\n */\n send(packets) {\n if (this.readyState === \"open\") {\n this.write(packets);\n }\n else {\n // this might happen if the transport was silently closed in the beforeunload event handler\n }\n }\n /**\n * Called upon open\n *\n * @protected\n */\n onOpen() {\n this.readyState = \"open\";\n this.writable = true;\n super.emitReserved(\"open\");\n }\n /**\n * Called with data.\n *\n * @param {String} data\n * @protected\n */\n onData(data) {\n const packet = decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n }\n /**\n * Called with a decoded packet.\n *\n * @protected\n */\n onPacket(packet) {\n super.emitReserved(\"packet\", packet);\n }\n /**\n * Called upon close.\n *\n * @protected\n */\n onClose(details) {\n this.readyState = \"closed\";\n super.emitReserved(\"close\", details);\n }\n /**\n * Pauses the transport, in order not to lose packets during an upgrade.\n *\n * @param onPause\n */\n pause(onPause) { }\n createUri(schema, query = {}) {\n return (schema +\n \"://\" +\n this._hostname() +\n this._port() +\n this.opts.path +\n this._query(query));\n }\n _hostname() {\n const hostname = this.opts.hostname;\n return hostname.indexOf(\":\") === -1 ? hostname : \"[\" + hostname + \"]\";\n }\n _port() {\n if (this.opts.port &&\n ((this.opts.secure && Number(this.opts.port !== 443)) ||\n (!this.opts.secure && Number(this.opts.port) !== 80))) {\n return \":\" + this.opts.port;\n }\n else {\n return \"\";\n }\n }\n _query(query) {\n const encodedQuery = encode(query);\n return encodedQuery.length ? \"?\" + encodedQuery : \"\";\n }\n}\n","// imported from https://github.com/galkn/querystring\n/**\n * Compiles a querystring\n * Returns string representation of the object\n *\n * @param {Object}\n * @api private\n */\nexport function encode(obj) {\n let str = '';\n for (let i in obj) {\n if (obj.hasOwnProperty(i)) {\n if (str.length)\n str += '&';\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\n }\n }\n return str;\n}\n/**\n * Parses a simple querystring into an object\n *\n * @param {String} qs\n * @api private\n */\nexport function decode(qs) {\n let qry = {};\n let pairs = qs.split('&');\n for (let i = 0, l = pairs.length; i < l; i++) {\n let pair = pairs[i].split('=');\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n }\n return qry;\n}\n","// imported from https://github.com/unshiftio/yeast\n'use strict';\nconst alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {};\nlet seed = 0, i = 0, prev;\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nexport function encode(num) {\n let encoded = '';\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n return encoded;\n}\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nexport function decode(str) {\n let decoded = 0;\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n return decoded;\n}\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nexport function yeast() {\n const now = encode(+new Date());\n if (now !== prev)\n return seed = 0, prev = now;\n return now + '.' + encode(seed++);\n}\n//\n// Map each character to its index.\n//\nfor (; i < length; i++)\n map[alphabet[i]] = i;\n","// imported from https://github.com/component/has-cors\nlet value = false;\ntry {\n value = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n}\ncatch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n}\nexport const hasCORS = value;\n","// browser shim for xmlhttprequest module\nimport { hasCORS } from \"../contrib/has-cors.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nexport function XHR(opts) {\n const xdomain = opts.xdomain;\n // XMLHttpRequest can be disabled on IE\n try {\n if (\"undefined\" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n }\n catch (e) { }\n if (!xdomain) {\n try {\n return new globalThis[[\"Active\"].concat(\"Object\").join(\"X\")](\"Microsoft.XMLHTTP\");\n }\n catch (e) { }\n }\n}\nexport function createCookieJar() { }\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { encodePayload, decodePayload } from \"engine.io-parser\";\nimport { createCookieJar, XHR as XMLHttpRequest, } from \"./xmlhttprequest.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions, pick } from \"../util.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nfunction empty() { }\nconst hasXHR2 = (function () {\n const xhr = new XMLHttpRequest({\n xdomain: false,\n });\n return null != xhr.responseType;\n})();\nexport class Polling extends Transport {\n /**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @package\n */\n constructor(opts) {\n super(opts);\n this.polling = false;\n if (typeof location !== \"undefined\") {\n const isSSL = \"https:\" === location.protocol;\n let port = location.port;\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? \"443\" : \"80\";\n }\n this.xd =\n (typeof location !== \"undefined\" &&\n opts.hostname !== location.hostname) ||\n port !== opts.port;\n }\n /**\n * XHR supports binary\n */\n const forceBase64 = opts && opts.forceBase64;\n this.supportsBinary = hasXHR2 && !forceBase64;\n if (this.opts.withCredentials) {\n this.cookieJar = createCookieJar();\n }\n }\n get name() {\n return \"polling\";\n }\n /**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @protected\n */\n doOpen() {\n this.poll();\n }\n /**\n * Pauses polling.\n *\n * @param {Function} onPause - callback upon buffers are flushed and transport is paused\n * @package\n */\n pause(onPause) {\n this.readyState = \"pausing\";\n const pause = () => {\n this.readyState = \"paused\";\n onPause();\n };\n if (this.polling || !this.writable) {\n let total = 0;\n if (this.polling) {\n total++;\n this.once(\"pollComplete\", function () {\n --total || pause();\n });\n }\n if (!this.writable) {\n total++;\n this.once(\"drain\", function () {\n --total || pause();\n });\n }\n }\n else {\n pause();\n }\n }\n /**\n * Starts polling cycle.\n *\n * @private\n */\n poll() {\n this.polling = true;\n this.doPoll();\n this.emitReserved(\"poll\");\n }\n /**\n * Overloads onData to detect payloads.\n *\n * @protected\n */\n onData(data) {\n const callback = (packet) => {\n // if its the first message we consider the transport open\n if (\"opening\" === this.readyState && packet.type === \"open\") {\n this.onOpen();\n }\n // if its a close packet, we close the ongoing requests\n if (\"close\" === packet.type) {\n this.onClose({ description: \"transport closed by the server\" });\n return false;\n }\n // otherwise bypass onData and handle the message\n this.onPacket(packet);\n };\n // decode payload\n decodePayload(data, this.socket.binaryType).forEach(callback);\n // if an event did not trigger closing\n if (\"closed\" !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emitReserved(\"pollComplete\");\n if (\"open\" === this.readyState) {\n this.poll();\n }\n else {\n }\n }\n }\n /**\n * For polling, send a close packet.\n *\n * @protected\n */\n doClose() {\n const close = () => {\n this.write([{ type: \"close\" }]);\n };\n if (\"open\" === this.readyState) {\n close();\n }\n else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n this.once(\"open\", close);\n }\n }\n /**\n * Writes a packets payload.\n *\n * @param {Array} packets - data packets\n * @protected\n */\n write(packets) {\n this.writable = false;\n encodePayload(packets, (data) => {\n this.doWrite(data, () => {\n this.writable = true;\n this.emitReserved(\"drain\");\n });\n });\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"https\" : \"http\";\n const query = this.query || {};\n // cache busting is forced\n if (false !== this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Creates a request.\n *\n * @param {String} method\n * @private\n */\n request(opts = {}) {\n Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts);\n return new Request(this.uri(), opts);\n }\n /**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @private\n */\n doWrite(data, fn) {\n const req = this.request({\n method: \"POST\",\n data: data,\n });\n req.on(\"success\", fn);\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr post error\", xhrStatus, context);\n });\n }\n /**\n * Starts a poll cycle.\n *\n * @private\n */\n doPoll() {\n const req = this.request();\n req.on(\"data\", this.onData.bind(this));\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr poll error\", xhrStatus, context);\n });\n this.pollXhr = req;\n }\n}\nexport class Request extends Emitter {\n /**\n * Request constructor\n *\n * @param {Object} options\n * @package\n */\n constructor(uri, opts) {\n super();\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.method = opts.method || \"GET\";\n this.uri = uri;\n this.data = undefined !== opts.data ? opts.data : null;\n this.create();\n }\n /**\n * Creates the XHR object and sends the request.\n *\n * @private\n */\n create() {\n var _a;\n const opts = pick(this.opts, \"agent\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"autoUnref\");\n opts.xdomain = !!this.opts.xd;\n const xhr = (this.xhr = new XMLHttpRequest(opts));\n try {\n xhr.open(this.method, this.uri, true);\n try {\n if (this.opts.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (let i in this.opts.extraHeaders) {\n if (this.opts.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.opts.extraHeaders[i]);\n }\n }\n }\n }\n catch (e) { }\n if (\"POST\" === this.method) {\n try {\n xhr.setRequestHeader(\"Content-type\", \"text/plain;charset=UTF-8\");\n }\n catch (e) { }\n }\n try {\n xhr.setRequestHeader(\"Accept\", \"*/*\");\n }\n catch (e) { }\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr);\n // ie6 check\n if (\"withCredentials\" in xhr) {\n xhr.withCredentials = this.opts.withCredentials;\n }\n if (this.opts.requestTimeout) {\n xhr.timeout = this.opts.requestTimeout;\n }\n xhr.onreadystatechange = () => {\n var _a;\n if (xhr.readyState === 3) {\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr);\n }\n if (4 !== xhr.readyState)\n return;\n if (200 === xhr.status || 1223 === xhr.status) {\n this.onLoad();\n }\n else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n this.setTimeoutFn(() => {\n this.onError(typeof xhr.status === \"number\" ? xhr.status : 0);\n }, 0);\n }\n };\n xhr.send(this.data);\n }\n catch (e) {\n // Need to defer since .create() is called directly from the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n this.setTimeoutFn(() => {\n this.onError(e);\n }, 0);\n return;\n }\n if (typeof document !== \"undefined\") {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n }\n /**\n * Called upon error.\n *\n * @private\n */\n onError(err) {\n this.emitReserved(\"error\", err, this.xhr);\n this.cleanup(true);\n }\n /**\n * Cleans up house.\n *\n * @private\n */\n cleanup(fromError) {\n if (\"undefined\" === typeof this.xhr || null === this.xhr) {\n return;\n }\n this.xhr.onreadystatechange = empty;\n if (fromError) {\n try {\n this.xhr.abort();\n }\n catch (e) { }\n }\n if (typeof document !== \"undefined\") {\n delete Request.requests[this.index];\n }\n this.xhr = null;\n }\n /**\n * Called upon load.\n *\n * @private\n */\n onLoad() {\n const data = this.xhr.responseText;\n if (data !== null) {\n this.emitReserved(\"data\", data);\n this.emitReserved(\"success\");\n this.cleanup();\n }\n }\n /**\n * Aborts the request.\n *\n * @package\n */\n abort() {\n this.cleanup();\n }\n}\nRequest.requestsCount = 0;\nRequest.requests = {};\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\nif (typeof document !== \"undefined\") {\n // @ts-ignore\n if (typeof attachEvent === \"function\") {\n // @ts-ignore\n attachEvent(\"onunload\", unloadHandler);\n }\n else if (typeof addEventListener === \"function\") {\n const terminationEvent = \"onpagehide\" in globalThis ? \"pagehide\" : \"unload\";\n addEventListener(terminationEvent, unloadHandler, false);\n }\n}\nfunction unloadHandler() {\n for (let i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n","import { globalThisShim as globalThis } from \"../globalThis.js\";\nexport const nextTick = (() => {\n const isPromiseAvailable = typeof Promise === \"function\" && typeof Promise.resolve === \"function\";\n if (isPromiseAvailable) {\n return (cb) => Promise.resolve().then(cb);\n }\n else {\n return (cb, setTimeoutFn) => setTimeoutFn(cb, 0);\n }\n})();\nexport const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket;\nexport const usingBrowserWebSocket = true;\nexport const defaultBinaryType = \"arraybuffer\";\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { pick } from \"../util.js\";\nimport { nextTick, usingBrowserWebSocket, WebSocket, } from \"./websocket-constructor.js\";\nimport { encodePacket } from \"engine.io-parser\";\n// detect ReactNative environment\nconst isReactNative = typeof navigator !== \"undefined\" &&\n typeof navigator.product === \"string\" &&\n navigator.product.toLowerCase() === \"reactnative\";\nexport class WS extends Transport {\n /**\n * WebSocket transport constructor.\n *\n * @param {Object} opts - connection options\n * @protected\n */\n constructor(opts) {\n super(opts);\n this.supportsBinary = !opts.forceBase64;\n }\n get name() {\n return \"websocket\";\n }\n doOpen() {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n const uri = this.uri();\n const protocols = this.opts.protocols;\n // React Native only supports the 'headers' option, and will print a warning if anything else is passed\n const opts = isReactNative\n ? {}\n : pick(this.opts, \"agent\", \"perMessageDeflate\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"localAddress\", \"protocolVersion\", \"origin\", \"maxPayload\", \"family\", \"checkServerIdentity\");\n if (this.opts.extraHeaders) {\n opts.headers = this.opts.extraHeaders;\n }\n try {\n this.ws =\n usingBrowserWebSocket && !isReactNative\n ? protocols\n ? new WebSocket(uri, protocols)\n : new WebSocket(uri)\n : new WebSocket(uri, protocols, opts);\n }\n catch (err) {\n return this.emitReserved(\"error\", err);\n }\n this.ws.binaryType = this.socket.binaryType;\n this.addEventListeners();\n }\n /**\n * Adds event listeners to the socket\n *\n * @private\n */\n addEventListeners() {\n this.ws.onopen = () => {\n if (this.opts.autoUnref) {\n this.ws._socket.unref();\n }\n this.onOpen();\n };\n this.ws.onclose = (closeEvent) => this.onClose({\n description: \"websocket connection closed\",\n context: closeEvent,\n });\n this.ws.onmessage = (ev) => this.onData(ev.data);\n this.ws.onerror = (e) => this.onError(\"websocket error\", e);\n }\n write(packets) {\n this.writable = false;\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n encodePacket(packet, this.supportsBinary, (data) => {\n // always create a new object (GH-437)\n const opts = {};\n if (!usingBrowserWebSocket) {\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n if (this.opts.perMessageDeflate) {\n const len = \n // @ts-ignore\n \"string\" === typeof data ? Buffer.byteLength(data) : data.length;\n if (len < this.opts.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n this.ws.send(data);\n }\n else {\n this.ws.send(data, opts);\n }\n }\n catch (e) {\n }\n if (lastPacket) {\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n if (typeof this.ws !== \"undefined\") {\n this.ws.close();\n this.ws = null;\n }\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"wss\" : \"ws\";\n const query = this.query || {};\n // append timestamp to URI\n if (this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @private\n */\n check() {\n return !!WebSocket;\n }\n}\n","import { Polling } from \"./polling.js\";\nimport { WS } from \"./websocket.js\";\nimport { WT } from \"./webtransport.js\";\nexport const transports = {\n websocket: WS,\n webtransport: WT,\n polling: Polling,\n};\n","import { Transport } from \"../transport.js\";\nimport { nextTick } from \"./websocket-constructor.js\";\nimport { createPacketDecoderStream, createPacketEncoderStream, } from \"engine.io-parser\";\nexport class WT extends Transport {\n get name() {\n return \"webtransport\";\n }\n doOpen() {\n // @ts-ignore\n if (typeof WebTransport !== \"function\") {\n return;\n }\n // @ts-ignore\n this.transport = new WebTransport(this.createUri(\"https\"), this.opts.transportOptions[this.name]);\n this.transport.closed\n .then(() => {\n this.onClose();\n })\n .catch((err) => {\n this.onError(\"webtransport error\", err);\n });\n // note: we could have used async/await, but that would require some additional polyfills\n this.transport.ready.then(() => {\n this.transport.createBidirectionalStream().then((stream) => {\n const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType);\n const reader = stream.readable.pipeThrough(decoderStream).getReader();\n const encoderStream = createPacketEncoderStream();\n encoderStream.readable.pipeTo(stream.writable);\n this.writer = encoderStream.writable.getWriter();\n const read = () => {\n reader\n .read()\n .then(({ done, value }) => {\n if (done) {\n return;\n }\n this.onPacket(value);\n read();\n })\n .catch((err) => {\n });\n };\n read();\n const packet = { type: \"open\" };\n if (this.query.sid) {\n packet.data = `{\"sid\":\"${this.query.sid}\"}`;\n }\n this.writer.write(packet).then(() => this.onOpen());\n });\n });\n }\n write(packets) {\n this.writable = false;\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n this.writer.write(packet).then(() => {\n if (lastPacket) {\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n var _a;\n (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close();\n }\n}\n","// imported from https://github.com/galkn/parseuri\n/**\n * Parses a URI\n *\n * Note: we could also have used the built-in URL object, but it isn't supported on all platforms.\n *\n * See:\n * - https://developer.mozilla.org/en-US/docs/Web/API/URL\n * - https://caniuse.com/url\n * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B\n *\n * History of the parse() method:\n * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c\n * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3\n * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242\n *\n * @author Steven Levithan (MIT license)\n * @api private\n */\nconst re = /^(?:(?![^:@\\/?#]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@\\/?#]*)(?::([^:@\\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\nconst parts = [\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\n];\nexport function parse(str) {\n const src = str, b = str.indexOf('['), e = str.indexOf(']');\n if (b != -1 && e != -1) {\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\n }\n let m = re.exec(str || ''), uri = {}, i = 14;\n while (i--) {\n uri[parts[i]] = m[i] || '';\n }\n if (b != -1 && e != -1) {\n uri.source = src;\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\n uri.ipv6uri = true;\n }\n uri.pathNames = pathNames(uri, uri['path']);\n uri.queryKey = queryKey(uri, uri['query']);\n return uri;\n}\nfunction pathNames(obj, path) {\n const regx = /\\/{2,9}/g, names = path.replace(regx, \"/\").split(\"/\");\n if (path.slice(0, 1) == '/' || path.length === 0) {\n names.splice(0, 1);\n }\n if (path.slice(-1) == '/') {\n names.splice(names.length - 1, 1);\n }\n return names;\n}\nfunction queryKey(uri, query) {\n const data = {};\n query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {\n if ($1) {\n data[$1] = $2;\n }\n });\n return data;\n}\n","import { transports } from \"./transports/index.js\";\nimport { installTimerFunctions, byteLength } from \"./util.js\";\nimport { decode } from \"./contrib/parseqs.js\";\nimport { parse } from \"./contrib/parseuri.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { protocol } from \"engine.io-parser\";\nimport { defaultBinaryType } from \"./transports/websocket-constructor.js\";\nexport class Socket extends Emitter {\n /**\n * Socket constructor.\n *\n * @param {String|Object} uri - uri or options\n * @param {Object} opts - options\n */\n constructor(uri, opts = {}) {\n super();\n this.binaryType = defaultBinaryType;\n this.writeBuffer = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = null;\n }\n if (uri) {\n uri = parse(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === \"https\" || uri.protocol === \"wss\";\n opts.port = uri.port;\n if (uri.query)\n opts.query = uri.query;\n }\n else if (opts.host) {\n opts.hostname = parse(opts.host).host;\n }\n installTimerFunctions(this, opts);\n this.secure =\n null != opts.secure\n ? opts.secure\n : typeof location !== \"undefined\" && \"https:\" === location.protocol;\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? \"443\" : \"80\";\n }\n this.hostname =\n opts.hostname ||\n (typeof location !== \"undefined\" ? location.hostname : \"localhost\");\n this.port =\n opts.port ||\n (typeof location !== \"undefined\" && location.port\n ? location.port\n : this.secure\n ? \"443\"\n : \"80\");\n this.transports = opts.transports || [\n \"polling\",\n \"websocket\",\n \"webtransport\",\n ];\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.opts = Object.assign({\n path: \"/engine.io\",\n agent: false,\n withCredentials: false,\n upgrade: true,\n timestampParam: \"t\",\n rememberUpgrade: false,\n addTrailingSlash: true,\n rejectUnauthorized: true,\n perMessageDeflate: {\n threshold: 1024,\n },\n transportOptions: {},\n closeOnBeforeunload: false,\n }, opts);\n this.opts.path =\n this.opts.path.replace(/\\/$/, \"\") +\n (this.opts.addTrailingSlash ? \"/\" : \"\");\n if (typeof this.opts.query === \"string\") {\n this.opts.query = decode(this.opts.query);\n }\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n // set on heartbeat\n this.pingTimeoutTimer = null;\n if (typeof addEventListener === \"function\") {\n if (this.opts.closeOnBeforeunload) {\n // Firefox closes the connection when the \"beforeunload\" event is emitted but not Chrome. This event listener\n // ensures every browser behaves the same (no \"disconnect\" event at the Socket.IO level when the page is\n // closed/reloaded)\n this.beforeunloadEventListener = () => {\n if (this.transport) {\n // silently close the transport\n this.transport.removeAllListeners();\n this.transport.close();\n }\n };\n addEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n }\n if (this.hostname !== \"localhost\") {\n this.offlineEventListener = () => {\n this.onClose(\"transport close\", {\n description: \"network connection lost\",\n });\n };\n addEventListener(\"offline\", this.offlineEventListener, false);\n }\n }\n this.open();\n }\n /**\n * Creates transport of the given type.\n *\n * @param {String} name - transport name\n * @return {Transport}\n * @private\n */\n createTransport(name) {\n const query = Object.assign({}, this.opts.query);\n // append engine.io protocol identifier\n query.EIO = protocol;\n // transport name\n query.transport = name;\n // session id if we already have one\n if (this.id)\n query.sid = this.id;\n const opts = Object.assign({}, this.opts, {\n query,\n socket: this,\n hostname: this.hostname,\n secure: this.secure,\n port: this.port,\n }, this.opts.transportOptions[name]);\n return new transports[name](opts);\n }\n /**\n * Initializes transport to use and starts probe.\n *\n * @private\n */\n open() {\n let transport;\n if (this.opts.rememberUpgrade &&\n Socket.priorWebsocketSuccess &&\n this.transports.indexOf(\"websocket\") !== -1) {\n transport = \"websocket\";\n }\n else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n this.setTimeoutFn(() => {\n this.emitReserved(\"error\", \"No transports available\");\n }, 0);\n return;\n }\n else {\n transport = this.transports[0];\n }\n this.readyState = \"opening\";\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n }\n catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n transport.open();\n this.setTransport(transport);\n }\n /**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @private\n */\n setTransport(transport) {\n if (this.transport) {\n this.transport.removeAllListeners();\n }\n // set up transport\n this.transport = transport;\n // set up transport listeners\n transport\n .on(\"drain\", this.onDrain.bind(this))\n .on(\"packet\", this.onPacket.bind(this))\n .on(\"error\", this.onError.bind(this))\n .on(\"close\", (reason) => this.onClose(\"transport close\", reason));\n }\n /**\n * Probes a transport.\n *\n * @param {String} name - transport name\n * @private\n */\n probe(name) {\n let transport = this.createTransport(name);\n let failed = false;\n Socket.priorWebsocketSuccess = false;\n const onTransportOpen = () => {\n if (failed)\n return;\n transport.send([{ type: \"ping\", data: \"probe\" }]);\n transport.once(\"packet\", (msg) => {\n if (failed)\n return;\n if (\"pong\" === msg.type && \"probe\" === msg.data) {\n this.upgrading = true;\n this.emitReserved(\"upgrading\", transport);\n if (!transport)\n return;\n Socket.priorWebsocketSuccess = \"websocket\" === transport.name;\n this.transport.pause(() => {\n if (failed)\n return;\n if (\"closed\" === this.readyState)\n return;\n cleanup();\n this.setTransport(transport);\n transport.send([{ type: \"upgrade\" }]);\n this.emitReserved(\"upgrade\", transport);\n transport = null;\n this.upgrading = false;\n this.flush();\n });\n }\n else {\n const err = new Error(\"probe error\");\n // @ts-ignore\n err.transport = transport.name;\n this.emitReserved(\"upgradeError\", err);\n }\n });\n };\n function freezeTransport() {\n if (failed)\n return;\n // Any callback called by transport should be ignored since now\n failed = true;\n cleanup();\n transport.close();\n transport = null;\n }\n // Handle any error that happens while probing\n const onerror = (err) => {\n const error = new Error(\"probe error: \" + err);\n // @ts-ignore\n error.transport = transport.name;\n freezeTransport();\n this.emitReserved(\"upgradeError\", error);\n };\n function onTransportClose() {\n onerror(\"transport closed\");\n }\n // When the socket is closed while we're probing\n function onclose() {\n onerror(\"socket closed\");\n }\n // When the socket is upgraded while we're probing\n function onupgrade(to) {\n if (transport && to.name !== transport.name) {\n freezeTransport();\n }\n }\n // Remove all listeners on the transport and on self\n const cleanup = () => {\n transport.removeListener(\"open\", onTransportOpen);\n transport.removeListener(\"error\", onerror);\n transport.removeListener(\"close\", onTransportClose);\n this.off(\"close\", onclose);\n this.off(\"upgrading\", onupgrade);\n };\n transport.once(\"open\", onTransportOpen);\n transport.once(\"error\", onerror);\n transport.once(\"close\", onTransportClose);\n this.once(\"close\", onclose);\n this.once(\"upgrading\", onupgrade);\n if (this.upgrades.indexOf(\"webtransport\") !== -1 &&\n name !== \"webtransport\") {\n // favor WebTransport\n this.setTimeoutFn(() => {\n if (!failed) {\n transport.open();\n }\n }, 200);\n }\n else {\n transport.open();\n }\n }\n /**\n * Called when connection is deemed open.\n *\n * @private\n */\n onOpen() {\n this.readyState = \"open\";\n Socket.priorWebsocketSuccess = \"websocket\" === this.transport.name;\n this.emitReserved(\"open\");\n this.flush();\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if (\"open\" === this.readyState && this.opts.upgrade) {\n let i = 0;\n const l = this.upgrades.length;\n for (; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n }\n /**\n * Handles a packet.\n *\n * @private\n */\n onPacket(packet) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n this.emitReserved(\"packet\", packet);\n // Socket is live - any packet counts\n this.emitReserved(\"heartbeat\");\n this.resetPingTimeout();\n switch (packet.type) {\n case \"open\":\n this.onHandshake(JSON.parse(packet.data));\n break;\n case \"ping\":\n this.sendPacket(\"pong\");\n this.emitReserved(\"ping\");\n this.emitReserved(\"pong\");\n break;\n case \"error\":\n const err = new Error(\"server error\");\n // @ts-ignore\n err.code = packet.data;\n this.onError(err);\n break;\n case \"message\":\n this.emitReserved(\"data\", packet.data);\n this.emitReserved(\"message\", packet.data);\n break;\n }\n }\n else {\n }\n }\n /**\n * Called upon handshake completion.\n *\n * @param {Object} data - handshake obj\n * @private\n */\n onHandshake(data) {\n this.emitReserved(\"handshake\", data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.maxPayload = data.maxPayload;\n this.onOpen();\n // In case open handler closes socket\n if (\"closed\" === this.readyState)\n return;\n this.resetPingTimeout();\n }\n /**\n * Sets and resets ping timeout timer based on server pings.\n *\n * @private\n */\n resetPingTimeout() {\n this.clearTimeoutFn(this.pingTimeoutTimer);\n this.pingTimeoutTimer = this.setTimeoutFn(() => {\n this.onClose(\"ping timeout\");\n }, this.pingInterval + this.pingTimeout);\n if (this.opts.autoUnref) {\n this.pingTimeoutTimer.unref();\n }\n }\n /**\n * Called on `drain` event\n *\n * @private\n */\n onDrain() {\n this.writeBuffer.splice(0, this.prevBufferLen);\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n if (0 === this.writeBuffer.length) {\n this.emitReserved(\"drain\");\n }\n else {\n this.flush();\n }\n }\n /**\n * Flush write buffers.\n *\n * @private\n */\n flush() {\n if (\"closed\" !== this.readyState &&\n this.transport.writable &&\n !this.upgrading &&\n this.writeBuffer.length) {\n const packets = this.getWritablePackets();\n this.transport.send(packets);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = packets.length;\n this.emitReserved(\"flush\");\n }\n }\n /**\n * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP\n * long-polling)\n *\n * @private\n */\n getWritablePackets() {\n const shouldCheckPayloadSize = this.maxPayload &&\n this.transport.name === \"polling\" &&\n this.writeBuffer.length > 1;\n if (!shouldCheckPayloadSize) {\n return this.writeBuffer;\n }\n let payloadSize = 1; // first packet type\n for (let i = 0; i < this.writeBuffer.length; i++) {\n const data = this.writeBuffer[i].data;\n if (data) {\n payloadSize += byteLength(data);\n }\n if (i > 0 && payloadSize > this.maxPayload) {\n return this.writeBuffer.slice(0, i);\n }\n payloadSize += 2; // separator + packet type\n }\n return this.writeBuffer;\n }\n /**\n * Sends a message.\n *\n * @param {String} msg - message.\n * @param {Object} options.\n * @param {Function} callback function.\n * @return {Socket} for chaining.\n */\n write(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n send(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n /**\n * Sends a packet.\n *\n * @param {String} type: packet type.\n * @param {String} data.\n * @param {Object} options.\n * @param {Function} fn - callback function.\n * @private\n */\n sendPacket(type, data, options, fn) {\n if (\"function\" === typeof data) {\n fn = data;\n data = undefined;\n }\n if (\"function\" === typeof options) {\n fn = options;\n options = null;\n }\n if (\"closing\" === this.readyState || \"closed\" === this.readyState) {\n return;\n }\n options = options || {};\n options.compress = false !== options.compress;\n const packet = {\n type: type,\n data: data,\n options: options,\n };\n this.emitReserved(\"packetCreate\", packet);\n this.writeBuffer.push(packet);\n if (fn)\n this.once(\"flush\", fn);\n this.flush();\n }\n /**\n * Closes the connection.\n */\n close() {\n const close = () => {\n this.onClose(\"forced close\");\n this.transport.close();\n };\n const cleanupAndClose = () => {\n this.off(\"upgrade\", cleanupAndClose);\n this.off(\"upgradeError\", cleanupAndClose);\n close();\n };\n const waitForUpgrade = () => {\n // wait for upgrade to finish since we can't send packets while pausing a transport\n this.once(\"upgrade\", cleanupAndClose);\n this.once(\"upgradeError\", cleanupAndClose);\n };\n if (\"opening\" === this.readyState || \"open\" === this.readyState) {\n this.readyState = \"closing\";\n if (this.writeBuffer.length) {\n this.once(\"drain\", () => {\n if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n });\n }\n else if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n }\n return this;\n }\n /**\n * Called upon transport error\n *\n * @private\n */\n onError(err) {\n Socket.priorWebsocketSuccess = false;\n this.emitReserved(\"error\", err);\n this.onClose(\"transport error\", err);\n }\n /**\n * Called upon transport close.\n *\n * @private\n */\n onClose(reason, description) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n // clear timers\n this.clearTimeoutFn(this.pingTimeoutTimer);\n // stop event from firing again for transport\n this.transport.removeAllListeners(\"close\");\n // ensure transport won't stay open\n this.transport.close();\n // ignore further transport communication\n this.transport.removeAllListeners();\n if (typeof removeEventListener === \"function\") {\n removeEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n removeEventListener(\"offline\", this.offlineEventListener, false);\n }\n // set ready state\n this.readyState = \"closed\";\n // clear session id\n this.id = null;\n // emit close event\n this.emitReserved(\"close\", reason, description);\n // clean buffers after, so users can still\n // grab the buffers on `close` event\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n }\n }\n /**\n * Filters upgrades, returning only those matching client transports.\n *\n * @param {Array} upgrades - server upgrades\n * @private\n */\n filterUpgrades(upgrades) {\n const filteredUpgrades = [];\n let i = 0;\n const j = upgrades.length;\n for (; i < j; i++) {\n if (~this.transports.indexOf(upgrades[i]))\n filteredUpgrades.push(upgrades[i]);\n }\n return filteredUpgrades;\n }\n}\nSocket.protocol = protocol;\n","const withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nconst isView = (obj) => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj.buffer instanceof ArrayBuffer;\n};\nconst toString = Object.prototype.toString;\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeFile = typeof File === \"function\" ||\n (typeof File !== \"undefined\" &&\n toString.call(File) === \"[object FileConstructor]\");\n/**\n * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File.\n *\n * @private\n */\nexport function isBinary(obj) {\n return ((withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) ||\n (withNativeBlob && obj instanceof Blob) ||\n (withNativeFile && obj instanceof File));\n}\nexport function hasBinary(obj, toJSON) {\n if (!obj || typeof obj !== \"object\") {\n return false;\n }\n if (Array.isArray(obj)) {\n for (let i = 0, l = obj.length; i < l; i++) {\n if (hasBinary(obj[i])) {\n return true;\n }\n }\n return false;\n }\n if (isBinary(obj)) {\n return true;\n }\n if (obj.toJSON &&\n typeof obj.toJSON === \"function\" &&\n arguments.length === 1) {\n return hasBinary(obj.toJSON(), true);\n }\n for (const key in obj) {\n if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {\n return true;\n }\n }\n return false;\n}\n","import { isBinary } from \"./is-binary.js\";\n/**\n * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder.\n *\n * @param {Object} packet - socket.io event packet\n * @return {Object} with deconstructed packet and list of buffers\n * @public\n */\nexport function deconstructPacket(packet) {\n const buffers = [];\n const packetData = packet.data;\n const pack = packet;\n pack.data = _deconstructPacket(packetData, buffers);\n pack.attachments = buffers.length; // number of binary 'attachments'\n return { packet: pack, buffers: buffers };\n}\nfunction _deconstructPacket(data, buffers) {\n if (!data)\n return data;\n if (isBinary(data)) {\n const placeholder = { _placeholder: true, num: buffers.length };\n buffers.push(data);\n return placeholder;\n }\n else if (Array.isArray(data)) {\n const newData = new Array(data.length);\n for (let i = 0; i < data.length; i++) {\n newData[i] = _deconstructPacket(data[i], buffers);\n }\n return newData;\n }\n else if (typeof data === \"object\" && !(data instanceof Date)) {\n const newData = {};\n for (const key in data) {\n if (Object.prototype.hasOwnProperty.call(data, key)) {\n newData[key] = _deconstructPacket(data[key], buffers);\n }\n }\n return newData;\n }\n return data;\n}\n/**\n * Reconstructs a binary packet from its placeholder packet and buffers\n *\n * @param {Object} packet - event packet with placeholders\n * @param {Array} buffers - binary buffers to put in placeholder positions\n * @return {Object} reconstructed packet\n * @public\n */\nexport function reconstructPacket(packet, buffers) {\n packet.data = _reconstructPacket(packet.data, buffers);\n delete packet.attachments; // no longer useful\n return packet;\n}\nfunction _reconstructPacket(data, buffers) {\n if (!data)\n return data;\n if (data && data._placeholder === true) {\n const isIndexValid = typeof data.num === \"number\" &&\n data.num >= 0 &&\n data.num < buffers.length;\n if (isIndexValid) {\n return buffers[data.num]; // appropriate buffer (should be natural order anyway)\n }\n else {\n throw new Error(\"illegal attachments\");\n }\n }\n else if (Array.isArray(data)) {\n for (let i = 0; i < data.length; i++) {\n data[i] = _reconstructPacket(data[i], buffers);\n }\n }\n else if (typeof data === \"object\") {\n for (const key in data) {\n if (Object.prototype.hasOwnProperty.call(data, key)) {\n data[key] = _reconstructPacket(data[key], buffers);\n }\n }\n }\n return data;\n}\n","import { Emitter } from \"@socket.io/component-emitter\";\nimport { deconstructPacket, reconstructPacket } from \"./binary.js\";\nimport { isBinary, hasBinary } from \"./is-binary.js\";\n/**\n * These strings must not be used as event names, as they have a special meaning.\n */\nconst RESERVED_EVENTS = [\n \"connect\",\n \"connect_error\",\n \"disconnect\",\n \"disconnecting\",\n \"newListener\",\n \"removeListener\", // used by the Node.js EventEmitter\n];\n/**\n * Protocol version.\n *\n * @public\n */\nexport const protocol = 5;\nexport var PacketType;\n(function (PacketType) {\n PacketType[PacketType[\"CONNECT\"] = 0] = \"CONNECT\";\n PacketType[PacketType[\"DISCONNECT\"] = 1] = \"DISCONNECT\";\n PacketType[PacketType[\"EVENT\"] = 2] = \"EVENT\";\n PacketType[PacketType[\"ACK\"] = 3] = \"ACK\";\n PacketType[PacketType[\"CONNECT_ERROR\"] = 4] = \"CONNECT_ERROR\";\n PacketType[PacketType[\"BINARY_EVENT\"] = 5] = \"BINARY_EVENT\";\n PacketType[PacketType[\"BINARY_ACK\"] = 6] = \"BINARY_ACK\";\n})(PacketType || (PacketType = {}));\n/**\n * A socket.io Encoder instance\n */\nexport class Encoder {\n /**\n * Encoder constructor\n *\n * @param {function} replacer - custom replacer to pass down to JSON.parse\n */\n constructor(replacer) {\n this.replacer = replacer;\n }\n /**\n * Encode a packet as a single string if non-binary, or as a\n * buffer sequence, depending on packet type.\n *\n * @param {Object} obj - packet object\n */\n encode(obj) {\n if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) {\n if (hasBinary(obj)) {\n return this.encodeAsBinary({\n type: obj.type === PacketType.EVENT\n ? PacketType.BINARY_EVENT\n : PacketType.BINARY_ACK,\n nsp: obj.nsp,\n data: obj.data,\n id: obj.id,\n });\n }\n }\n return [this.encodeAsString(obj)];\n }\n /**\n * Encode packet as string.\n */\n encodeAsString(obj) {\n // first is type\n let str = \"\" + obj.type;\n // attachments if we have them\n if (obj.type === PacketType.BINARY_EVENT ||\n obj.type === PacketType.BINARY_ACK) {\n str += obj.attachments + \"-\";\n }\n // if we have a namespace other than `/`\n // we append it followed by a comma `,`\n if (obj.nsp && \"/\" !== obj.nsp) {\n str += obj.nsp + \",\";\n }\n // immediately followed by the id\n if (null != obj.id) {\n str += obj.id;\n }\n // json data\n if (null != obj.data) {\n str += JSON.stringify(obj.data, this.replacer);\n }\n return str;\n }\n /**\n * Encode packet as 'buffer sequence' by removing blobs, and\n * deconstructing packet into object with placeholders and\n * a list of buffers.\n */\n encodeAsBinary(obj) {\n const deconstruction = deconstructPacket(obj);\n const pack = this.encodeAsString(deconstruction.packet);\n const buffers = deconstruction.buffers;\n buffers.unshift(pack); // add packet info to beginning of data list\n return buffers; // write all the buffers\n }\n}\n// see https://stackoverflow.com/questions/8511281/check-if-a-value-is-an-object-in-javascript\nfunction isObject(value) {\n return Object.prototype.toString.call(value) === \"[object Object]\";\n}\n/**\n * A socket.io Decoder instance\n *\n * @return {Object} decoder\n */\nexport class Decoder extends Emitter {\n /**\n * Decoder constructor\n *\n * @param {function} reviver - custom reviver to pass down to JSON.stringify\n */\n constructor(reviver) {\n super();\n this.reviver = reviver;\n }\n /**\n * Decodes an encoded packet string into packet JSON.\n *\n * @param {String} obj - encoded packet\n */\n add(obj) {\n let packet;\n if (typeof obj === \"string\") {\n if (this.reconstructor) {\n throw new Error(\"got plaintext data when reconstructing a packet\");\n }\n packet = this.decodeString(obj);\n const isBinaryEvent = packet.type === PacketType.BINARY_EVENT;\n if (isBinaryEvent || packet.type === PacketType.BINARY_ACK) {\n packet.type = isBinaryEvent ? PacketType.EVENT : PacketType.ACK;\n // binary packet's json\n this.reconstructor = new BinaryReconstructor(packet);\n // no attachments, labeled binary but no binary data to follow\n if (packet.attachments === 0) {\n super.emitReserved(\"decoded\", packet);\n }\n }\n else {\n // non-binary full packet\n super.emitReserved(\"decoded\", packet);\n }\n }\n else if (isBinary(obj) || obj.base64) {\n // raw binary data\n if (!this.reconstructor) {\n throw new Error(\"got binary data when not reconstructing a packet\");\n }\n else {\n packet = this.reconstructor.takeBinaryData(obj);\n if (packet) {\n // received final buffer\n this.reconstructor = null;\n super.emitReserved(\"decoded\", packet);\n }\n }\n }\n else {\n throw new Error(\"Unknown type: \" + obj);\n }\n }\n /**\n * Decode a packet String (JSON data)\n *\n * @param {String} str\n * @return {Object} packet\n */\n decodeString(str) {\n let i = 0;\n // look up type\n const p = {\n type: Number(str.charAt(0)),\n };\n if (PacketType[p.type] === undefined) {\n throw new Error(\"unknown packet type \" + p.type);\n }\n // look up attachments if type binary\n if (p.type === PacketType.BINARY_EVENT ||\n p.type === PacketType.BINARY_ACK) {\n const start = i + 1;\n while (str.charAt(++i) !== \"-\" && i != str.length) { }\n const buf = str.substring(start, i);\n if (buf != Number(buf) || str.charAt(i) !== \"-\") {\n throw new Error(\"Illegal attachments\");\n }\n p.attachments = Number(buf);\n }\n // look up namespace (if any)\n if (\"/\" === str.charAt(i + 1)) {\n const start = i + 1;\n while (++i) {\n const c = str.charAt(i);\n if (\",\" === c)\n break;\n if (i === str.length)\n break;\n }\n p.nsp = str.substring(start, i);\n }\n else {\n p.nsp = \"/\";\n }\n // look up id\n const next = str.charAt(i + 1);\n if (\"\" !== next && Number(next) == next) {\n const start = i + 1;\n while (++i) {\n const c = str.charAt(i);\n if (null == c || Number(c) != c) {\n --i;\n break;\n }\n if (i === str.length)\n break;\n }\n p.id = Number(str.substring(start, i + 1));\n }\n // look up json data\n if (str.charAt(++i)) {\n const payload = this.tryParse(str.substr(i));\n if (Decoder.isPayloadValid(p.type, payload)) {\n p.data = payload;\n }\n else {\n throw new Error(\"invalid payload\");\n }\n }\n return p;\n }\n tryParse(str) {\n try {\n return JSON.parse(str, this.reviver);\n }\n catch (e) {\n return false;\n }\n }\n static isPayloadValid(type, payload) {\n switch (type) {\n case PacketType.CONNECT:\n return isObject(payload);\n case PacketType.DISCONNECT:\n return payload === undefined;\n case PacketType.CONNECT_ERROR:\n return typeof payload === \"string\" || isObject(payload);\n case PacketType.EVENT:\n case PacketType.BINARY_EVENT:\n return (Array.isArray(payload) &&\n (typeof payload[0] === \"number\" ||\n (typeof payload[0] === \"string\" &&\n RESERVED_EVENTS.indexOf(payload[0]) === -1)));\n case PacketType.ACK:\n case PacketType.BINARY_ACK:\n return Array.isArray(payload);\n }\n }\n /**\n * Deallocates a parser's resources\n */\n destroy() {\n if (this.reconstructor) {\n this.reconstructor.finishedReconstruction();\n this.reconstructor = null;\n }\n }\n}\n/**\n * A manager of a binary event's 'buffer sequence'. Should\n * be constructed whenever a packet of type BINARY_EVENT is\n * decoded.\n *\n * @param {Object} packet\n * @return {BinaryReconstructor} initialized reconstructor\n */\nclass BinaryReconstructor {\n constructor(packet) {\n this.packet = packet;\n this.buffers = [];\n this.reconPack = packet;\n }\n /**\n * Method to be called when binary data received from connection\n * after a BINARY_EVENT packet.\n *\n * @param {Buffer | ArrayBuffer} binData - the raw binary data received\n * @return {null | Object} returns null if more binary data is expected or\n * a reconstructed packet object if all buffers have been received.\n */\n takeBinaryData(binData) {\n this.buffers.push(binData);\n if (this.buffers.length === this.reconPack.attachments) {\n // done with buffer list\n const packet = reconstructPacket(this.reconPack, this.buffers);\n this.finishedReconstruction();\n return packet;\n }\n return null;\n }\n /**\n * Cleans up binary packet reconstruction variables.\n */\n finishedReconstruction() {\n this.reconPack = null;\n this.buffers = [];\n }\n}\n","export function on(obj, ev, fn) {\n obj.on(ev, fn);\n return function subDestroy() {\n obj.off(ev, fn);\n };\n}\n","import { PacketType } from \"socket.io-parser\";\nimport { on } from \"./on.js\";\nimport { Emitter, } from \"@socket.io/component-emitter\";\n/**\n * Internal events.\n * These events can't be emitted by the user.\n */\nconst RESERVED_EVENTS = Object.freeze({\n connect: 1,\n connect_error: 1,\n disconnect: 1,\n disconnecting: 1,\n // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener\n newListener: 1,\n removeListener: 1,\n});\n/**\n * A Socket is the fundamental class for interacting with the server.\n *\n * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(\"connected\");\n * });\n *\n * // send an event to the server\n * socket.emit(\"foo\", \"bar\");\n *\n * socket.on(\"foobar\", () => {\n * // an event was received from the server\n * });\n *\n * // upon disconnection\n * socket.on(\"disconnect\", (reason) => {\n * console.log(`disconnected due to ${reason}`);\n * });\n */\nexport class Socket extends Emitter {\n /**\n * `Socket` constructor.\n */\n constructor(io, nsp, opts) {\n super();\n /**\n * Whether the socket is currently connected to the server.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(socket.connected); // true\n * });\n *\n * socket.on(\"disconnect\", () => {\n * console.log(socket.connected); // false\n * });\n */\n this.connected = false;\n /**\n * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will\n * be transmitted by the server.\n */\n this.recovered = false;\n /**\n * Buffer for packets received before the CONNECT packet\n */\n this.receiveBuffer = [];\n /**\n * Buffer for packets that will be sent once the socket is connected\n */\n this.sendBuffer = [];\n /**\n * The queue of packets to be sent with retry in case of failure.\n *\n * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order.\n * @private\n */\n this._queue = [];\n /**\n * A sequence to generate the ID of the {@link QueuedPacket}.\n * @private\n */\n this._queueSeq = 0;\n this.ids = 0;\n this.acks = {};\n this.flags = {};\n this.io = io;\n this.nsp = nsp;\n if (opts && opts.auth) {\n this.auth = opts.auth;\n }\n this._opts = Object.assign({}, opts);\n if (this.io._autoConnect)\n this.open();\n }\n /**\n * Whether the socket is currently disconnected\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(socket.disconnected); // false\n * });\n *\n * socket.on(\"disconnect\", () => {\n * console.log(socket.disconnected); // true\n * });\n */\n get disconnected() {\n return !this.connected;\n }\n /**\n * Subscribe to open, close and packet events\n *\n * @private\n */\n subEvents() {\n if (this.subs)\n return;\n const io = this.io;\n this.subs = [\n on(io, \"open\", this.onopen.bind(this)),\n on(io, \"packet\", this.onpacket.bind(this)),\n on(io, \"error\", this.onerror.bind(this)),\n on(io, \"close\", this.onclose.bind(this)),\n ];\n }\n /**\n * Whether the Socket will try to reconnect when its Manager connects or reconnects.\n *\n * @example\n * const socket = io();\n *\n * console.log(socket.active); // true\n *\n * socket.on(\"disconnect\", (reason) => {\n * if (reason === \"io server disconnect\") {\n * // the disconnection was initiated by the server, you need to manually reconnect\n * console.log(socket.active); // false\n * }\n * // else the socket will automatically try to reconnect\n * console.log(socket.active); // true\n * });\n */\n get active() {\n return !!this.subs;\n }\n /**\n * \"Opens\" the socket.\n *\n * @example\n * const socket = io({\n * autoConnect: false\n * });\n *\n * socket.connect();\n */\n connect() {\n if (this.connected)\n return this;\n this.subEvents();\n if (!this.io[\"_reconnecting\"])\n this.io.open(); // ensure open\n if (\"open\" === this.io._readyState)\n this.onopen();\n return this;\n }\n /**\n * Alias for {@link connect()}.\n */\n open() {\n return this.connect();\n }\n /**\n * Sends a `message` event.\n *\n * This method mimics the WebSocket.send() method.\n *\n * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send\n *\n * @example\n * socket.send(\"hello\");\n *\n * // this is equivalent to\n * socket.emit(\"message\", \"hello\");\n *\n * @return self\n */\n send(...args) {\n args.unshift(\"message\");\n this.emit.apply(this, args);\n return this;\n }\n /**\n * Override `emit`.\n * If the event is in `events`, it's emitted normally.\n *\n * @example\n * socket.emit(\"hello\", \"world\");\n *\n * // all serializable datastructures are supported (no need to call JSON.stringify)\n * socket.emit(\"hello\", 1, \"2\", { 3: [\"4\"], 5: Uint8Array.from([6]) });\n *\n * // with an acknowledgement from the server\n * socket.emit(\"hello\", \"world\", (val) => {\n * // ...\n * });\n *\n * @return self\n */\n emit(ev, ...args) {\n if (RESERVED_EVENTS.hasOwnProperty(ev)) {\n throw new Error('\"' + ev.toString() + '\" is a reserved event name');\n }\n args.unshift(ev);\n if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) {\n this._addToQueue(args);\n return this;\n }\n const packet = {\n type: PacketType.EVENT,\n data: args,\n };\n packet.options = {};\n packet.options.compress = this.flags.compress !== false;\n // event ack callback\n if (\"function\" === typeof args[args.length - 1]) {\n const id = this.ids++;\n const ack = args.pop();\n this._registerAckCallback(id, ack);\n packet.id = id;\n }\n const isTransportWritable = this.io.engine &&\n this.io.engine.transport &&\n this.io.engine.transport.writable;\n const discardPacket = this.flags.volatile && (!isTransportWritable || !this.connected);\n if (discardPacket) {\n }\n else if (this.connected) {\n this.notifyOutgoingListeners(packet);\n this.packet(packet);\n }\n else {\n this.sendBuffer.push(packet);\n }\n this.flags = {};\n return this;\n }\n /**\n * @private\n */\n _registerAckCallback(id, ack) {\n var _a;\n const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout;\n if (timeout === undefined) {\n this.acks[id] = ack;\n return;\n }\n // @ts-ignore\n const timer = this.io.setTimeoutFn(() => {\n delete this.acks[id];\n for (let i = 0; i < this.sendBuffer.length; i++) {\n if (this.sendBuffer[i].id === id) {\n this.sendBuffer.splice(i, 1);\n }\n }\n ack.call(this, new Error(\"operation has timed out\"));\n }, timeout);\n this.acks[id] = (...args) => {\n // @ts-ignore\n this.io.clearTimeoutFn(timer);\n ack.apply(this, [null, ...args]);\n };\n }\n /**\n * Emits an event and waits for an acknowledgement\n *\n * @example\n * // without timeout\n * const response = await socket.emitWithAck(\"hello\", \"world\");\n *\n * // with a specific timeout\n * try {\n * const response = await socket.timeout(1000).emitWithAck(\"hello\", \"world\");\n * } catch (err) {\n * // the server did not acknowledge the event in the given delay\n * }\n *\n * @return a Promise that will be fulfilled when the server acknowledges the event\n */\n emitWithAck(ev, ...args) {\n // the timeout flag is optional\n const withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined;\n return new Promise((resolve, reject) => {\n args.push((arg1, arg2) => {\n if (withErr) {\n return arg1 ? reject(arg1) : resolve(arg2);\n }\n else {\n return resolve(arg1);\n }\n });\n this.emit(ev, ...args);\n });\n }\n /**\n * Add the packet to the queue.\n * @param args\n * @private\n */\n _addToQueue(args) {\n let ack;\n if (typeof args[args.length - 1] === \"function\") {\n ack = args.pop();\n }\n const packet = {\n id: this._queueSeq++,\n tryCount: 0,\n pending: false,\n args,\n flags: Object.assign({ fromQueue: true }, this.flags),\n };\n args.push((err, ...responseArgs) => {\n if (packet !== this._queue[0]) {\n // the packet has already been acknowledged\n return;\n }\n const hasError = err !== null;\n if (hasError) {\n if (packet.tryCount > this._opts.retries) {\n this._queue.shift();\n if (ack) {\n ack(err);\n }\n }\n }\n else {\n this._queue.shift();\n if (ack) {\n ack(null, ...responseArgs);\n }\n }\n packet.pending = false;\n return this._drainQueue();\n });\n this._queue.push(packet);\n this._drainQueue();\n }\n /**\n * Send the first packet of the queue, and wait for an acknowledgement from the server.\n * @param force - whether to resend a packet that has not been acknowledged yet\n *\n * @private\n */\n _drainQueue(force = false) {\n if (!this.connected || this._queue.length === 0) {\n return;\n }\n const packet = this._queue[0];\n if (packet.pending && !force) {\n return;\n }\n packet.pending = true;\n packet.tryCount++;\n this.flags = packet.flags;\n this.emit.apply(this, packet.args);\n }\n /**\n * Sends a packet.\n *\n * @param packet\n * @private\n */\n packet(packet) {\n packet.nsp = this.nsp;\n this.io._packet(packet);\n }\n /**\n * Called upon engine `open`.\n *\n * @private\n */\n onopen() {\n if (typeof this.auth == \"function\") {\n this.auth((data) => {\n this._sendConnectPacket(data);\n });\n }\n else {\n this._sendConnectPacket(this.auth);\n }\n }\n /**\n * Sends a CONNECT packet to initiate the Socket.IO session.\n *\n * @param data\n * @private\n */\n _sendConnectPacket(data) {\n this.packet({\n type: PacketType.CONNECT,\n data: this._pid\n ? Object.assign({ pid: this._pid, offset: this._lastOffset }, data)\n : data,\n });\n }\n /**\n * Called upon engine or manager `error`.\n *\n * @param err\n * @private\n */\n onerror(err) {\n if (!this.connected) {\n this.emitReserved(\"connect_error\", err);\n }\n }\n /**\n * Called upon engine `close`.\n *\n * @param reason\n * @param description\n * @private\n */\n onclose(reason, description) {\n this.connected = false;\n delete this.id;\n this.emitReserved(\"disconnect\", reason, description);\n }\n /**\n * Called with socket packet.\n *\n * @param packet\n * @private\n */\n onpacket(packet) {\n const sameNamespace = packet.nsp === this.nsp;\n if (!sameNamespace)\n return;\n switch (packet.type) {\n case PacketType.CONNECT:\n if (packet.data && packet.data.sid) {\n this.onconnect(packet.data.sid, packet.data.pid);\n }\n else {\n this.emitReserved(\"connect_error\", new Error(\"It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)\"));\n }\n break;\n case PacketType.EVENT:\n case PacketType.BINARY_EVENT:\n this.onevent(packet);\n break;\n case PacketType.ACK:\n case PacketType.BINARY_ACK:\n this.onack(packet);\n break;\n case PacketType.DISCONNECT:\n this.ondisconnect();\n break;\n case PacketType.CONNECT_ERROR:\n this.destroy();\n const err = new Error(packet.data.message);\n // @ts-ignore\n err.data = packet.data.data;\n this.emitReserved(\"connect_error\", err);\n break;\n }\n }\n /**\n * Called upon a server event.\n *\n * @param packet\n * @private\n */\n onevent(packet) {\n const args = packet.data || [];\n if (null != packet.id) {\n args.push(this.ack(packet.id));\n }\n if (this.connected) {\n this.emitEvent(args);\n }\n else {\n this.receiveBuffer.push(Object.freeze(args));\n }\n }\n emitEvent(args) {\n if (this._anyListeners && this._anyListeners.length) {\n const listeners = this._anyListeners.slice();\n for (const listener of listeners) {\n listener.apply(this, args);\n }\n }\n super.emit.apply(this, args);\n if (this._pid && args.length && typeof args[args.length - 1] === \"string\") {\n this._lastOffset = args[args.length - 1];\n }\n }\n /**\n * Produces an ack callback to emit with an event.\n *\n * @private\n */\n ack(id) {\n const self = this;\n let sent = false;\n return function (...args) {\n // prevent double callbacks\n if (sent)\n return;\n sent = true;\n self.packet({\n type: PacketType.ACK,\n id: id,\n data: args,\n });\n };\n }\n /**\n * Called upon a server acknowlegement.\n *\n * @param packet\n * @private\n */\n onack(packet) {\n const ack = this.acks[packet.id];\n if (\"function\" === typeof ack) {\n ack.apply(this, packet.data);\n delete this.acks[packet.id];\n }\n else {\n }\n }\n /**\n * Called upon server connect.\n *\n * @private\n */\n onconnect(id, pid) {\n this.id = id;\n this.recovered = pid && this._pid === pid;\n this._pid = pid; // defined only if connection state recovery is enabled\n this.connected = true;\n this.emitBuffered();\n this.emitReserved(\"connect\");\n this._drainQueue(true);\n }\n /**\n * Emit buffered events (received and emitted).\n *\n * @private\n */\n emitBuffered() {\n this.receiveBuffer.forEach((args) => this.emitEvent(args));\n this.receiveBuffer = [];\n this.sendBuffer.forEach((packet) => {\n this.notifyOutgoingListeners(packet);\n this.packet(packet);\n });\n this.sendBuffer = [];\n }\n /**\n * Called upon server disconnect.\n *\n * @private\n */\n ondisconnect() {\n this.destroy();\n this.onclose(\"io server disconnect\");\n }\n /**\n * Called upon forced client/server side disconnections,\n * this method ensures the manager stops tracking us and\n * that reconnections don't get triggered for this.\n *\n * @private\n */\n destroy() {\n if (this.subs) {\n // clean subscriptions to avoid reconnections\n this.subs.forEach((subDestroy) => subDestroy());\n this.subs = undefined;\n }\n this.io[\"_destroy\"](this);\n }\n /**\n * Disconnects the socket manually. In that case, the socket will not try to reconnect.\n *\n * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"disconnect\", (reason) => {\n * // console.log(reason); prints \"io client disconnect\"\n * });\n *\n * socket.disconnect();\n *\n * @return self\n */\n disconnect() {\n if (this.connected) {\n this.packet({ type: PacketType.DISCONNECT });\n }\n // remove socket from pool\n this.destroy();\n if (this.connected) {\n // fire events\n this.onclose(\"io client disconnect\");\n }\n return this;\n }\n /**\n * Alias for {@link disconnect()}.\n *\n * @return self\n */\n close() {\n return this.disconnect();\n }\n /**\n * Sets the compress flag.\n *\n * @example\n * socket.compress(false).emit(\"hello\");\n *\n * @param compress - if `true`, compresses the sending data\n * @return self\n */\n compress(compress) {\n this.flags.compress = compress;\n return this;\n }\n /**\n * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not\n * ready to send messages.\n *\n * @example\n * socket.volatile.emit(\"hello\"); // the server may or may not receive it\n *\n * @returns self\n */\n get volatile() {\n this.flags.volatile = true;\n return this;\n }\n /**\n * Sets a modifier for a subsequent event emission that the callback will be called with an error when the\n * given number of milliseconds have elapsed without an acknowledgement from the server:\n *\n * @example\n * socket.timeout(5000).emit(\"my-event\", (err) => {\n * if (err) {\n * // the server did not acknowledge the event in the given delay\n * }\n * });\n *\n * @returns self\n */\n timeout(timeout) {\n this.flags.timeout = timeout;\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback.\n *\n * @example\n * socket.onAny((event, ...args) => {\n * console.log(`got ${event}`);\n * });\n *\n * @param listener\n */\n onAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.push(listener);\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback. The listener is added to the beginning of the listeners array.\n *\n * @example\n * socket.prependAny((event, ...args) => {\n * console.log(`got event ${event}`);\n * });\n *\n * @param listener\n */\n prependAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.unshift(listener);\n return this;\n }\n /**\n * Removes the listener that will be fired when any event is emitted.\n *\n * @example\n * const catchAllListener = (event, ...args) => {\n * console.log(`got event ${event}`);\n * }\n *\n * socket.onAny(catchAllListener);\n *\n * // remove a specific listener\n * socket.offAny(catchAllListener);\n *\n * // or remove all listeners\n * socket.offAny();\n *\n * @param listener\n */\n offAny(listener) {\n if (!this._anyListeners) {\n return this;\n }\n if (listener) {\n const listeners = this._anyListeners;\n for (let i = 0; i < listeners.length; i++) {\n if (listener === listeners[i]) {\n listeners.splice(i, 1);\n return this;\n }\n }\n }\n else {\n this._anyListeners = [];\n }\n return this;\n }\n /**\n * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,\n * e.g. to remove listeners.\n */\n listenersAny() {\n return this._anyListeners || [];\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback.\n *\n * Note: acknowledgements sent to the server are not included.\n *\n * @example\n * socket.onAnyOutgoing((event, ...args) => {\n * console.log(`sent event ${event}`);\n * });\n *\n * @param listener\n */\n onAnyOutgoing(listener) {\n this._anyOutgoingListeners = this._anyOutgoingListeners || [];\n this._anyOutgoingListeners.push(listener);\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback. The listener is added to the beginning of the listeners array.\n *\n * Note: acknowledgements sent to the server are not included.\n *\n * @example\n * socket.prependAnyOutgoing((event, ...args) => {\n * console.log(`sent event ${event}`);\n * });\n *\n * @param listener\n */\n prependAnyOutgoing(listener) {\n this._anyOutgoingListeners = this._anyOutgoingListeners || [];\n this._anyOutgoingListeners.unshift(listener);\n return this;\n }\n /**\n * Removes the listener that will be fired when any event is emitted.\n *\n * @example\n * const catchAllListener = (event, ...args) => {\n * console.log(`sent event ${event}`);\n * }\n *\n * socket.onAnyOutgoing(catchAllListener);\n *\n * // remove a specific listener\n * socket.offAnyOutgoing(catchAllListener);\n *\n * // or remove all listeners\n * socket.offAnyOutgoing();\n *\n * @param [listener] - the catch-all listener (optional)\n */\n offAnyOutgoing(listener) {\n if (!this._anyOutgoingListeners) {\n return this;\n }\n if (listener) {\n const listeners = this._anyOutgoingListeners;\n for (let i = 0; i < listeners.length; i++) {\n if (listener === listeners[i]) {\n listeners.splice(i, 1);\n return this;\n }\n }\n }\n else {\n this._anyOutgoingListeners = [];\n }\n return this;\n }\n /**\n * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,\n * e.g. to remove listeners.\n */\n listenersAnyOutgoing() {\n return this._anyOutgoingListeners || [];\n }\n /**\n * Notify the listeners for each packet sent\n *\n * @param packet\n *\n * @private\n */\n notifyOutgoingListeners(packet) {\n if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) {\n const listeners = this._anyOutgoingListeners.slice();\n for (const listener of listeners) {\n listener.apply(this, packet.data);\n }\n }\n }\n}\n","/**\n * Initialize backoff timer with `opts`.\n *\n * - `min` initial timeout in milliseconds [100]\n * - `max` max timeout [10000]\n * - `jitter` [0]\n * - `factor` [2]\n *\n * @param {Object} opts\n * @api public\n */\nexport function Backoff(opts) {\n opts = opts || {};\n this.ms = opts.min || 100;\n this.max = opts.max || 10000;\n this.factor = opts.factor || 2;\n this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;\n this.attempts = 0;\n}\n/**\n * Return the backoff duration.\n *\n * @return {Number}\n * @api public\n */\nBackoff.prototype.duration = function () {\n var ms = this.ms * Math.pow(this.factor, this.attempts++);\n if (this.jitter) {\n var rand = Math.random();\n var deviation = Math.floor(rand * this.jitter * ms);\n ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;\n }\n return Math.min(ms, this.max) | 0;\n};\n/**\n * Reset the number of attempts.\n *\n * @api public\n */\nBackoff.prototype.reset = function () {\n this.attempts = 0;\n};\n/**\n * Set the minimum duration\n *\n * @api public\n */\nBackoff.prototype.setMin = function (min) {\n this.ms = min;\n};\n/**\n * Set the maximum duration\n *\n * @api public\n */\nBackoff.prototype.setMax = function (max) {\n this.max = max;\n};\n/**\n * Set the jitter\n *\n * @api public\n */\nBackoff.prototype.setJitter = function (jitter) {\n this.jitter = jitter;\n};\n","import { Socket as Engine, installTimerFunctions, nextTick, } from \"engine.io-client\";\nimport { Socket } from \"./socket.js\";\nimport * as parser from \"socket.io-parser\";\nimport { on } from \"./on.js\";\nimport { Backoff } from \"./contrib/backo2.js\";\nimport { Emitter, } from \"@socket.io/component-emitter\";\nexport class Manager extends Emitter {\n constructor(uri, opts) {\n var _a;\n super();\n this.nsps = {};\n this.subs = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n opts.path = opts.path || \"/socket.io\";\n this.opts = opts;\n installTimerFunctions(this, opts);\n this.reconnection(opts.reconnection !== false);\n this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);\n this.reconnectionDelay(opts.reconnectionDelay || 1000);\n this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);\n this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5);\n this.backoff = new Backoff({\n min: this.reconnectionDelay(),\n max: this.reconnectionDelayMax(),\n jitter: this.randomizationFactor(),\n });\n this.timeout(null == opts.timeout ? 20000 : opts.timeout);\n this._readyState = \"closed\";\n this.uri = uri;\n const _parser = opts.parser || parser;\n this.encoder = new _parser.Encoder();\n this.decoder = new _parser.Decoder();\n this._autoConnect = opts.autoConnect !== false;\n if (this._autoConnect)\n this.open();\n }\n reconnection(v) {\n if (!arguments.length)\n return this._reconnection;\n this._reconnection = !!v;\n return this;\n }\n reconnectionAttempts(v) {\n if (v === undefined)\n return this._reconnectionAttempts;\n this._reconnectionAttempts = v;\n return this;\n }\n reconnectionDelay(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelay;\n this._reconnectionDelay = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v);\n return this;\n }\n randomizationFactor(v) {\n var _a;\n if (v === undefined)\n return this._randomizationFactor;\n this._randomizationFactor = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v);\n return this;\n }\n reconnectionDelayMax(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelayMax;\n this._reconnectionDelayMax = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v);\n return this;\n }\n timeout(v) {\n if (!arguments.length)\n return this._timeout;\n this._timeout = v;\n return this;\n }\n /**\n * Starts trying to reconnect if reconnection is enabled and we have not\n * started reconnecting yet\n *\n * @private\n */\n maybeReconnectOnOpen() {\n // Only try to reconnect if it's the first time we're connecting\n if (!this._reconnecting &&\n this._reconnection &&\n this.backoff.attempts === 0) {\n // keeps reconnection from firing twice for the same reconnection loop\n this.reconnect();\n }\n }\n /**\n * Sets the current transport `socket`.\n *\n * @param {Function} fn - optional, callback\n * @return self\n * @public\n */\n open(fn) {\n if (~this._readyState.indexOf(\"open\"))\n return this;\n this.engine = new Engine(this.uri, this.opts);\n const socket = this.engine;\n const self = this;\n this._readyState = \"opening\";\n this.skipReconnect = false;\n // emit `open`\n const openSubDestroy = on(socket, \"open\", function () {\n self.onopen();\n fn && fn();\n });\n const onError = (err) => {\n this.cleanup();\n this._readyState = \"closed\";\n this.emitReserved(\"error\", err);\n if (fn) {\n fn(err);\n }\n else {\n // Only do this if there is no fn to handle the error\n this.maybeReconnectOnOpen();\n }\n };\n // emit `error`\n const errorSub = on(socket, \"error\", onError);\n if (false !== this._timeout) {\n const timeout = this._timeout;\n // set timer\n const timer = this.setTimeoutFn(() => {\n openSubDestroy();\n onError(new Error(\"timeout\"));\n socket.close();\n }, timeout);\n if (this.opts.autoUnref) {\n timer.unref();\n }\n this.subs.push(() => {\n this.clearTimeoutFn(timer);\n });\n }\n this.subs.push(openSubDestroy);\n this.subs.push(errorSub);\n return this;\n }\n /**\n * Alias for open()\n *\n * @return self\n * @public\n */\n connect(fn) {\n return this.open(fn);\n }\n /**\n * Called upon transport open.\n *\n * @private\n */\n onopen() {\n // clear old subs\n this.cleanup();\n // mark as open\n this._readyState = \"open\";\n this.emitReserved(\"open\");\n // add new subs\n const socket = this.engine;\n this.subs.push(on(socket, \"ping\", this.onping.bind(this)), on(socket, \"data\", this.ondata.bind(this)), on(socket, \"error\", this.onerror.bind(this)), on(socket, \"close\", this.onclose.bind(this)), on(this.decoder, \"decoded\", this.ondecoded.bind(this)));\n }\n /**\n * Called upon a ping.\n *\n * @private\n */\n onping() {\n this.emitReserved(\"ping\");\n }\n /**\n * Called with data.\n *\n * @private\n */\n ondata(data) {\n try {\n this.decoder.add(data);\n }\n catch (e) {\n this.onclose(\"parse error\", e);\n }\n }\n /**\n * Called when parser fully decodes a packet.\n *\n * @private\n */\n ondecoded(packet) {\n // the 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\ No newline at end of file diff --git a/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.js b/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.js new file mode 100644 index 00000000..dcc9af04 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.js @@ -0,0 +1,4385 @@ +/*! + * Socket.IO v4.7.4 + * (c) 2014-2024 Guillermo Rauch + * Released under the MIT License. + */ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.io = factory()); +})(this, (function () { 'use strict'; + + function _typeof(obj) { + "@babel/helpers - typeof"; + + return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { + return typeof obj; + } : function (obj) { + return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; + }, _typeof(obj); + } + function _classCallCheck(instance, Constructor) { + if (!(instance instanceof Constructor)) { + throw new TypeError("Cannot call a class as a function"); + } + } + function _defineProperties(target, props) { + for (var i = 0; i < props.length; i++) { + var descriptor = props[i]; + descriptor.enumerable = descriptor.enumerable || false; + descriptor.configurable = true; + if ("value" in descriptor) descriptor.writable = true; + Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); + } + } + function _createClass(Constructor, protoProps, staticProps) { + if (protoProps) _defineProperties(Constructor.prototype, protoProps); + if (staticProps) _defineProperties(Constructor, staticProps); + Object.defineProperty(Constructor, "prototype", { + writable: false + }); + return Constructor; + } + function _extends() { + _extends = Object.assign ? Object.assign.bind() : function (target) { + for (var i = 1; i < arguments.length; i++) { + var source = arguments[i]; + for (var key in source) { + if (Object.prototype.hasOwnProperty.call(source, key)) { + target[key] = source[key]; + } + } + } + return target; + }; + return _extends.apply(this, arguments); + } + function _inherits(subClass, superClass) { + if (typeof superClass !== "function" && superClass !== null) { + throw new TypeError("Super expression must either be null or a function"); + } + subClass.prototype = Object.create(superClass && superClass.prototype, { + constructor: { + value: subClass, + writable: true, + configurable: true + } + }); + Object.defineProperty(subClass, "prototype", { + writable: false + }); + if (superClass) _setPrototypeOf(subClass, superClass); + } + function _getPrototypeOf(o) { + _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { + return o.__proto__ || Object.getPrototypeOf(o); + }; + return _getPrototypeOf(o); + } + function _setPrototypeOf(o, p) { + _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { + o.__proto__ = p; + return o; + }; + return _setPrototypeOf(o, p); + } + function _isNativeReflectConstruct() { + if (typeof Reflect === "undefined" || !Reflect.construct) return false; + if (Reflect.construct.sham) return false; + if (typeof Proxy === "function") return true; + try { + Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); + return true; + } catch (e) { + return false; + } + } + function _construct(Parent, args, Class) { + if (_isNativeReflectConstruct()) { + _construct = Reflect.construct.bind(); + } else { + _construct = function _construct(Parent, args, Class) { + var a = [null]; + a.push.apply(a, args); + var Constructor = Function.bind.apply(Parent, a); + var instance = new Constructor(); + if (Class) _setPrototypeOf(instance, Class.prototype); + return instance; + }; + } + return _construct.apply(null, arguments); + } + function _isNativeFunction(fn) { + return Function.toString.call(fn).indexOf("[native code]") !== -1; + } + function _wrapNativeSuper(Class) { + var _cache = typeof Map === "function" ? new Map() : undefined; + _wrapNativeSuper = function _wrapNativeSuper(Class) { + if (Class === null || !_isNativeFunction(Class)) return Class; + if (typeof Class !== "function") { + throw new TypeError("Super expression must either be null or a function"); + } + if (typeof _cache !== "undefined") { + if (_cache.has(Class)) return _cache.get(Class); + _cache.set(Class, Wrapper); + } + function Wrapper() { + return _construct(Class, arguments, _getPrototypeOf(this).constructor); + } + Wrapper.prototype = Object.create(Class.prototype, { + constructor: { + value: Wrapper, + enumerable: false, + writable: true, + configurable: true + } + }); + return _setPrototypeOf(Wrapper, Class); + }; + return _wrapNativeSuper(Class); + } + function _assertThisInitialized(self) { + if (self === void 0) { + throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); + } + return self; + } + function _possibleConstructorReturn(self, call) { + if (call && (typeof call === "object" || typeof call === "function")) { + return call; + } else if (call !== void 0) { + throw new TypeError("Derived constructors may only return object or undefined"); + } + return _assertThisInitialized(self); + } + function _createSuper(Derived) { + var hasNativeReflectConstruct = _isNativeReflectConstruct(); + return function _createSuperInternal() { + var Super = _getPrototypeOf(Derived), + result; + if (hasNativeReflectConstruct) { + var NewTarget = _getPrototypeOf(this).constructor; + result = Reflect.construct(Super, arguments, NewTarget); + } else { + result = Super.apply(this, arguments); + } + return _possibleConstructorReturn(this, result); + }; + } + function _superPropBase(object, property) { + while (!Object.prototype.hasOwnProperty.call(object, property)) { + object = _getPrototypeOf(object); + if (object === null) break; + } + return object; + } + function _get() { + if (typeof Reflect !== "undefined" && Reflect.get) { + _get = Reflect.get.bind(); + } else { + _get = function _get(target, property, receiver) { + var base = _superPropBase(target, property); + if (!base) return; + var desc = Object.getOwnPropertyDescriptor(base, property); + if (desc.get) { + return desc.get.call(arguments.length < 3 ? target : receiver); + } + return desc.value; + }; + } + return _get.apply(this, arguments); + } + function _unsupportedIterableToArray(o, minLen) { + if (!o) return; + if (typeof o === "string") return _arrayLikeToArray(o, minLen); + var n = Object.prototype.toString.call(o).slice(8, -1); + if (n === "Object" && o.constructor) n = o.constructor.name; + if (n === "Map" || n === "Set") return Array.from(o); + if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); + } + function _arrayLikeToArray(arr, len) { + if (len == null || len > arr.length) len = arr.length; + for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; + return arr2; + } + function _createForOfIteratorHelper(o, allowArrayLike) { + var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; + if (!it) { + if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { + if (it) o = it; + var i = 0; + var F = function () {}; + return { + s: F, + n: function () { + if (i >= o.length) return { + done: true + }; + return { + done: false, + value: o[i++] + }; + }, + e: function (e) { + throw e; + }, + f: F + }; + } + throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); + } + var normalCompletion = true, + didErr = false, + err; + return { + s: function () { + it = it.call(o); + }, + n: function () { + var step = it.next(); + normalCompletion = step.done; + return step; + }, + e: function (e) { + didErr = true; + err = e; + }, + f: function () { + try { + if (!normalCompletion && it.return != null) it.return(); + } finally { + if (didErr) throw err; + } + } + }; + } + function _toPrimitive(input, hint) { + if (typeof input !== "object" || input === null) return input; + var prim = input[Symbol.toPrimitive]; + if (prim !== undefined) { + var res = prim.call(input, hint || "default"); + if (typeof res !== "object") return res; + throw new TypeError("@@toPrimitive must return a primitive value."); + } + return (hint === "string" ? String : Number)(input); + } + function _toPropertyKey(arg) { + var key = _toPrimitive(arg, "string"); + return typeof key === "symbol" ? key : String(key); + } + + var PACKET_TYPES = Object.create(null); // no Map = no polyfill + PACKET_TYPES["open"] = "0"; + PACKET_TYPES["close"] = "1"; + PACKET_TYPES["ping"] = "2"; + PACKET_TYPES["pong"] = "3"; + PACKET_TYPES["message"] = "4"; + PACKET_TYPES["upgrade"] = "5"; + PACKET_TYPES["noop"] = "6"; + var PACKET_TYPES_REVERSE = Object.create(null); + Object.keys(PACKET_TYPES).forEach(function (key) { + PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key; + }); + var ERROR_PACKET = { + type: "error", + data: "parser error" + }; + + var withNativeBlob$1 = typeof Blob === "function" || typeof Blob !== "undefined" && Object.prototype.toString.call(Blob) === "[object BlobConstructor]"; + var withNativeArrayBuffer$2 = typeof ArrayBuffer === "function"; + // ArrayBuffer.isView method is not defined in IE10 + var isView$1 = function isView(obj) { + return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj && obj.buffer instanceof ArrayBuffer; + }; + var encodePacket = function encodePacket(_ref, supportsBinary, callback) { + var type = _ref.type, + data = _ref.data; + if (withNativeBlob$1 && data instanceof Blob) { + if (supportsBinary) { + return callback(data); + } else { + return encodeBlobAsBase64(data, callback); + } + } else if (withNativeArrayBuffer$2 && (data instanceof ArrayBuffer || isView$1(data))) { + if (supportsBinary) { + return callback(data); + } else { + return encodeBlobAsBase64(new Blob([data]), callback); + } + } + // plain string + return callback(PACKET_TYPES[type] + (data || "")); + }; + var encodeBlobAsBase64 = function encodeBlobAsBase64(data, callback) { + var fileReader = new FileReader(); + fileReader.onload = function () { + var content = fileReader.result.split(",")[1]; + callback("b" + (content || "")); + }; + return fileReader.readAsDataURL(data); + }; + function toArray(data) { + if (data instanceof Uint8Array) { + return data; + } else if (data instanceof ArrayBuffer) { + return new Uint8Array(data); + } else { + return new Uint8Array(data.buffer, data.byteOffset, data.byteLength); + } + } + var TEXT_ENCODER; + function encodePacketToBinary(packet, callback) { + if (withNativeBlob$1 && packet.data instanceof Blob) { + return packet.data.arrayBuffer().then(toArray).then(callback); + } else if (withNativeArrayBuffer$2 && (packet.data instanceof ArrayBuffer || isView$1(packet.data))) { + return callback(toArray(packet.data)); + } + encodePacket(packet, false, function (encoded) { + if (!TEXT_ENCODER) { + TEXT_ENCODER = new TextEncoder(); + } + callback(TEXT_ENCODER.encode(encoded)); + }); + } + + // imported from https://github.com/socketio/base64-arraybuffer + var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; + // Use a lookup table to find the index. + var lookup$1 = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256); + for (var i$1 = 0; i$1 < chars.length; i$1++) { + lookup$1[chars.charCodeAt(i$1)] = i$1; + } + var decode$1 = function decode(base64) { + var bufferLength = base64.length * 0.75, + len = base64.length, + i, + p = 0, + encoded1, + encoded2, + encoded3, + encoded4; + if (base64[base64.length - 1] === '=') { + bufferLength--; + if (base64[base64.length - 2] === '=') { + bufferLength--; + } + } + var arraybuffer = new ArrayBuffer(bufferLength), + bytes = new Uint8Array(arraybuffer); + for (i = 0; i < len; i += 4) { + encoded1 = lookup$1[base64.charCodeAt(i)]; + encoded2 = lookup$1[base64.charCodeAt(i + 1)]; + encoded3 = lookup$1[base64.charCodeAt(i + 2)]; + encoded4 = lookup$1[base64.charCodeAt(i + 3)]; + bytes[p++] = encoded1 << 2 | encoded2 >> 4; + bytes[p++] = (encoded2 & 15) << 4 | encoded3 >> 2; + bytes[p++] = (encoded3 & 3) << 6 | encoded4 & 63; + } + return arraybuffer; + }; + + var withNativeArrayBuffer$1 = typeof ArrayBuffer === "function"; + var decodePacket = function decodePacket(encodedPacket, binaryType) { + if (typeof encodedPacket !== "string") { + return { + type: "message", + data: mapBinary(encodedPacket, binaryType) + }; + } + var type = encodedPacket.charAt(0); + if (type === "b") { + return { + type: "message", + data: decodeBase64Packet(encodedPacket.substring(1), binaryType) + }; + } + var packetType = PACKET_TYPES_REVERSE[type]; + if (!packetType) { + return ERROR_PACKET; + } + return encodedPacket.length > 1 ? { + type: PACKET_TYPES_REVERSE[type], + data: encodedPacket.substring(1) + } : { + type: PACKET_TYPES_REVERSE[type] + }; + }; + var decodeBase64Packet = function decodeBase64Packet(data, binaryType) { + if (withNativeArrayBuffer$1) { + var decoded = decode$1(data); + return mapBinary(decoded, binaryType); + } else { + return { + base64: true, + data: data + }; // fallback for old browsers + } + }; + + var mapBinary = function mapBinary(data, binaryType) { + switch (binaryType) { + case "blob": + if (data instanceof Blob) { + // from WebSocket + binaryType "blob" + return data; + } else { + // from HTTP long-polling or WebTransport + return new Blob([data]); + } + case "arraybuffer": + default: + if (data instanceof ArrayBuffer) { + // from HTTP long-polling (base64) or WebSocket + binaryType "arraybuffer" + return data; + } else { + // from WebTransport (Uint8Array) + return data.buffer; + } + } + }; + + var SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text + var encodePayload = function encodePayload(packets, callback) { + // some packets may be added to the array while encoding, so the initial length must be saved + var length = packets.length; + var encodedPackets = new Array(length); + var count = 0; + packets.forEach(function (packet, i) { + // force base64 encoding for binary packets + encodePacket(packet, false, function (encodedPacket) { + encodedPackets[i] = encodedPacket; + if (++count === length) { + callback(encodedPackets.join(SEPARATOR)); + } + }); + }); + }; + var decodePayload = function decodePayload(encodedPayload, binaryType) { + var encodedPackets = encodedPayload.split(SEPARATOR); + var packets = []; + for (var i = 0; i < encodedPackets.length; i++) { + var decodedPacket = decodePacket(encodedPackets[i], binaryType); + packets.push(decodedPacket); + if (decodedPacket.type === "error") { + break; + } + } + return packets; + }; + function createPacketEncoderStream() { + return new TransformStream({ + transform: function transform(packet, controller) { + encodePacketToBinary(packet, function (encodedPacket) { + var payloadLength = encodedPacket.length; + var header; + // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length + if (payloadLength < 126) { + header = new Uint8Array(1); + new DataView(header.buffer).setUint8(0, payloadLength); + } else if (payloadLength < 65536) { + header = new Uint8Array(3); + var view = new DataView(header.buffer); + view.setUint8(0, 126); + view.setUint16(1, payloadLength); + } else { + header = new Uint8Array(9); + var _view = new DataView(header.buffer); + _view.setUint8(0, 127); + _view.setBigUint64(1, BigInt(payloadLength)); + } + // first bit indicates whether the payload is plain text (0) or binary (1) + if (packet.data && typeof packet.data !== "string") { + header[0] |= 0x80; + } + controller.enqueue(header); + controller.enqueue(encodedPacket); + }); + } + }); + } + var TEXT_DECODER; + function totalLength(chunks) { + return chunks.reduce(function (acc, chunk) { + return acc + chunk.length; + }, 0); + } + function concatChunks(chunks, size) { + if (chunks[0].length === size) { + return chunks.shift(); + } + var buffer = new Uint8Array(size); + var j = 0; + for (var i = 0; i < size; i++) { + buffer[i] = chunks[0][j++]; + if (j === chunks[0].length) { + chunks.shift(); + j = 0; + } + } + if (chunks.length && j < chunks[0].length) { + chunks[0] = chunks[0].slice(j); + } + return buffer; + } + function createPacketDecoderStream(maxPayload, binaryType) { + if (!TEXT_DECODER) { + TEXT_DECODER = new TextDecoder(); + } + var chunks = []; + var state = 0 /* READ_HEADER */; + var expectedLength = -1; + var isBinary = false; + return new TransformStream({ + transform: function transform(chunk, controller) { + chunks.push(chunk); + while (true) { + if (state === 0 /* READ_HEADER */) { + if (totalLength(chunks) < 1) { + break; + } + var header = concatChunks(chunks, 1); + isBinary = (header[0] & 0x80) === 0x80; + expectedLength = header[0] & 0x7f; + if (expectedLength < 126) { + state = 3 /* READ_PAYLOAD */; + } else if (expectedLength === 126) { + state = 1 /* READ_EXTENDED_LENGTH_16 */; + } else { + state = 2 /* READ_EXTENDED_LENGTH_64 */; + } + } else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) { + if (totalLength(chunks) < 2) { + break; + } + var headerArray = concatChunks(chunks, 2); + expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0); + state = 3 /* READ_PAYLOAD */; + } else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) { + if (totalLength(chunks) < 8) { + break; + } + var _headerArray = concatChunks(chunks, 8); + var view = new DataView(_headerArray.buffer, _headerArray.byteOffset, _headerArray.length); + var n = view.getUint32(0); + if (n > Math.pow(2, 53 - 32) - 1) { + // the maximum safe integer in JavaScript is 2^53 - 1 + controller.enqueue(ERROR_PACKET); + break; + } + expectedLength = n * Math.pow(2, 32) + view.getUint32(4); + state = 3 /* READ_PAYLOAD */; + } else { + if (totalLength(chunks) < expectedLength) { + break; + } + var data = concatChunks(chunks, expectedLength); + controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType)); + state = 0 /* READ_HEADER */; + } + + if (expectedLength === 0 || expectedLength > maxPayload) { + controller.enqueue(ERROR_PACKET); + break; + } + } + } + }); + } + var protocol$1 = 4; + + /** + * Initialize a new `Emitter`. + * + * @api public + */ + + function Emitter(obj) { + if (obj) return mixin(obj); + } + + /** + * Mixin the emitter properties. + * + * @param {Object} obj + * @return {Object} + * @api private + */ + + function mixin(obj) { + for (var key in Emitter.prototype) { + obj[key] = Emitter.prototype[key]; + } + return obj; + } + + /** + * Listen on the given `event` with `fn`. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public + */ + + Emitter.prototype.on = Emitter.prototype.addEventListener = function (event, fn) { + this._callbacks = this._callbacks || {}; + (this._callbacks['$' + event] = this._callbacks['$' + event] || []).push(fn); + return this; + }; + + /** + * Adds an `event` listener that will be invoked a single + * time then automatically removed. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public + */ + + Emitter.prototype.once = function (event, fn) { + function on() { + this.off(event, on); + fn.apply(this, arguments); + } + on.fn = fn; + this.on(event, on); + return this; + }; + + /** + * Remove the given callback for `event` or all + * registered callbacks. + * + * @param {String} event + * @param {Function} fn + * @return {Emitter} + * @api public + */ + + Emitter.prototype.off = Emitter.prototype.removeListener = Emitter.prototype.removeAllListeners = Emitter.prototype.removeEventListener = function (event, fn) { + this._callbacks = this._callbacks || {}; + + // all + if (0 == arguments.length) { + this._callbacks = {}; + return this; + } + + // specific event + var callbacks = this._callbacks['$' + event]; + if (!callbacks) return this; + + // remove all handlers + if (1 == arguments.length) { + delete this._callbacks['$' + event]; + return this; + } + + // remove specific handler + var cb; + for (var i = 0; i < callbacks.length; i++) { + cb = callbacks[i]; + if (cb === fn || cb.fn === fn) { + callbacks.splice(i, 1); + break; + } + } + + // Remove event specific arrays for event types that no + // one is subscribed for to avoid memory leak. + if (callbacks.length === 0) { + delete this._callbacks['$' + event]; + } + return this; + }; + + /** + * Emit `event` with the given args. + * + * @param {String} event + * @param {Mixed} ... + * @return {Emitter} + */ + + Emitter.prototype.emit = function (event) { + this._callbacks = this._callbacks || {}; + var args = new Array(arguments.length - 1), + callbacks = this._callbacks['$' + event]; + for (var i = 1; i < arguments.length; i++) { + args[i - 1] = arguments[i]; + } + if (callbacks) { + callbacks = callbacks.slice(0); + for (var i = 0, len = callbacks.length; i < len; ++i) { + callbacks[i].apply(this, args); + } + } + return this; + }; + + // alias used for reserved events (protected method) + Emitter.prototype.emitReserved = Emitter.prototype.emit; + + /** + * Return array of callbacks for `event`. + * + * @param {String} event + * @return {Array} + * @api public + */ + + Emitter.prototype.listeners = function (event) { + this._callbacks = this._callbacks || {}; + return this._callbacks['$' + event] || []; + }; + + /** + * Check if this emitter has `event` handlers. + * + * @param {String} event + * @return {Boolean} + * @api public + */ + + Emitter.prototype.hasListeners = function (event) { + return !!this.listeners(event).length; + }; + + var globalThisShim = function () { + if (typeof self !== "undefined") { + return self; + } else if (typeof window !== "undefined") { + return window; + } else { + return Function("return this")(); + } + }(); + + function pick(obj) { + for (var _len = arguments.length, attr = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + attr[_key - 1] = arguments[_key]; + } + return attr.reduce(function (acc, k) { + if (obj.hasOwnProperty(k)) { + acc[k] = obj[k]; + } + return acc; + }, {}); + } + // Keep a reference to the real timeout functions so they can be used when overridden + var NATIVE_SET_TIMEOUT = globalThisShim.setTimeout; + var NATIVE_CLEAR_TIMEOUT = globalThisShim.clearTimeout; + function installTimerFunctions(obj, opts) { + if (opts.useNativeTimers) { + obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThisShim); + obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThisShim); + } else { + obj.setTimeoutFn = globalThisShim.setTimeout.bind(globalThisShim); + obj.clearTimeoutFn = globalThisShim.clearTimeout.bind(globalThisShim); + } + } + // base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64) + var BASE64_OVERHEAD = 1.33; + // we could also have used `new Blob([obj]).size`, but it isn't supported in IE9 + function byteLength(obj) { + if (typeof obj === "string") { + return utf8Length(obj); + } + // arraybuffer or blob + return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD); + } + function utf8Length(str) { + var c = 0, + length = 0; + for (var i = 0, l = str.length; i < l; i++) { + c = str.charCodeAt(i); + if (c < 0x80) { + length += 1; + } else if (c < 0x800) { + length += 2; + } else if (c < 0xd800 || c >= 0xe000) { + length += 3; + } else { + i++; + length += 4; + } + } + return length; + } + + // imported from https://github.com/galkn/querystring + /** + * Compiles a querystring + * Returns string representation of the object + * + * @param {Object} + * @api private + */ + function encode$1(obj) { + var str = ''; + for (var i in obj) { + if (obj.hasOwnProperty(i)) { + if (str.length) str += '&'; + str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]); + } + } + return str; + } + /** + * Parses a simple querystring into an object + * + * @param {String} qs + * @api private + */ + function decode(qs) { + var qry = {}; + var pairs = qs.split('&'); + for (var i = 0, l = pairs.length; i < l; i++) { + var pair = pairs[i].split('='); + qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]); + } + return qry; + } + + var TransportError = /*#__PURE__*/function (_Error) { + _inherits(TransportError, _Error); + var _super = _createSuper(TransportError); + function TransportError(reason, description, context) { + var _this; + _classCallCheck(this, TransportError); + _this = _super.call(this, reason); + _this.description = description; + _this.context = context; + _this.type = "TransportError"; + return _this; + } + return _createClass(TransportError); + }( /*#__PURE__*/_wrapNativeSuper(Error)); + var Transport = /*#__PURE__*/function (_Emitter) { + _inherits(Transport, _Emitter); + var _super2 = _createSuper(Transport); + /** + * Transport abstract constructor. + * + * @param {Object} opts - options + * @protected + */ + function Transport(opts) { + var _this2; + _classCallCheck(this, Transport); + _this2 = _super2.call(this); + _this2.writable = false; + installTimerFunctions(_assertThisInitialized(_this2), opts); + _this2.opts = opts; + _this2.query = opts.query; + _this2.socket = opts.socket; + return _this2; + } + /** + * Emits an error. + * + * @param {String} reason + * @param description + * @param context - the error context + * @return {Transport} for chaining + * @protected + */ + _createClass(Transport, [{ + key: "onError", + value: function onError(reason, description, context) { + _get(_getPrototypeOf(Transport.prototype), "emitReserved", this).call(this, "error", new TransportError(reason, description, context)); + return this; + } + /** + * Opens the transport. + */ + }, { + key: "open", + value: function open() { + this.readyState = "opening"; + this.doOpen(); + return this; + } + /** + * Closes the transport. + */ + }, { + key: "close", + value: function close() { + if (this.readyState === "opening" || this.readyState === "open") { + this.doClose(); + this.onClose(); + } + return this; + } + /** + * Sends multiple packets. + * + * @param {Array} packets + */ + }, { + key: "send", + value: function send(packets) { + if (this.readyState === "open") { + this.write(packets); + } + } + /** + * Called upon open + * + * @protected + */ + }, { + key: "onOpen", + value: function onOpen() { + this.readyState = "open"; + this.writable = true; + _get(_getPrototypeOf(Transport.prototype), "emitReserved", this).call(this, "open"); + } + /** + * Called with data. + * + * @param {String} data + * @protected + */ + }, { + key: "onData", + value: function onData(data) { + var packet = decodePacket(data, this.socket.binaryType); + this.onPacket(packet); + } + /** + * Called with a decoded packet. + * + * @protected + */ + }, { + key: "onPacket", + value: function onPacket(packet) { + _get(_getPrototypeOf(Transport.prototype), "emitReserved", this).call(this, "packet", packet); + } + /** + * Called upon close. + * + * @protected + */ + }, { + key: "onClose", + value: function onClose(details) { + this.readyState = "closed"; + _get(_getPrototypeOf(Transport.prototype), "emitReserved", this).call(this, "close", details); + } + /** + * Pauses the transport, in order not to lose packets during an upgrade. + * + * @param onPause + */ + }, { + key: "pause", + value: function pause(onPause) {} + }, { + key: "createUri", + value: function createUri(schema) { + var query = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + return schema + "://" + this._hostname() + this._port() + this.opts.path + this._query(query); + } + }, { + key: "_hostname", + value: function _hostname() { + var hostname = this.opts.hostname; + return hostname.indexOf(":") === -1 ? hostname : "[" + hostname + "]"; + } + }, { + key: "_port", + value: function _port() { + if (this.opts.port && (this.opts.secure && Number(this.opts.port !== 443) || !this.opts.secure && Number(this.opts.port) !== 80)) { + return ":" + this.opts.port; + } else { + return ""; + } + } + }, { + key: "_query", + value: function _query(query) { + var encodedQuery = encode$1(query); + return encodedQuery.length ? "?" + encodedQuery : ""; + } + }]); + return Transport; + }(Emitter); + + // imported from https://github.com/unshiftio/yeast + + var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), + length = 64, + map = {}; + var seed = 0, + i = 0, + prev; + /** + * Return a string representing the specified number. + * + * @param {Number} num The number to convert. + * @returns {String} The string representation of the number. + * @api public + */ + function encode(num) { + var encoded = ''; + do { + encoded = alphabet[num % length] + encoded; + num = Math.floor(num / length); + } while (num > 0); + return encoded; + } + /** + * Yeast: A tiny growing id generator. + * + * @returns {String} A unique id. + * @api public + */ + function yeast() { + var now = encode(+new Date()); + if (now !== prev) return seed = 0, prev = now; + return now + '.' + encode(seed++); + } + // + // Map each character to its index. + // + for (; i < length; i++) map[alphabet[i]] = i; + + // imported from https://github.com/component/has-cors + var value = false; + try { + value = typeof XMLHttpRequest !== 'undefined' && 'withCredentials' in new XMLHttpRequest(); + } catch (err) { + // if XMLHttp support is disabled in IE then it will throw + // when trying to create + } + var hasCORS = value; + + // browser shim for xmlhttprequest module + function XHR(opts) { + var xdomain = opts.xdomain; + // XMLHttpRequest can be disabled on IE + try { + if ("undefined" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) { + return new XMLHttpRequest(); + } + } catch (e) {} + if (!xdomain) { + try { + return new globalThisShim[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP"); + } catch (e) {} + } + } + function createCookieJar() {} + + function empty() {} + var hasXHR2 = function () { + var xhr = new XHR({ + xdomain: false + }); + return null != xhr.responseType; + }(); + var Polling = /*#__PURE__*/function (_Transport) { + _inherits(Polling, _Transport); + var _super = _createSuper(Polling); + /** + * XHR Polling constructor. + * + * @param {Object} opts + * @package + */ + function Polling(opts) { + var _this; + _classCallCheck(this, Polling); + _this = _super.call(this, opts); + _this.polling = false; + if (typeof location !== "undefined") { + var isSSL = "https:" === location.protocol; + var port = location.port; + // some user agents have empty `location.port` + if (!port) { + port = isSSL ? "443" : "80"; + } + _this.xd = typeof location !== "undefined" && opts.hostname !== location.hostname || port !== opts.port; + } + /** + * XHR supports binary + */ + var forceBase64 = opts && opts.forceBase64; + _this.supportsBinary = hasXHR2 && !forceBase64; + if (_this.opts.withCredentials) { + _this.cookieJar = createCookieJar(); + } + return _this; + } + _createClass(Polling, [{ + key: "name", + get: function get() { + return "polling"; + } + /** + * Opens the socket (triggers polling). We write a PING message to determine + * when the transport is open. + * + * @protected + */ + }, { + key: "doOpen", + value: function doOpen() { + this.poll(); + } + /** + * Pauses polling. + * + * @param {Function} onPause - callback upon buffers are flushed and transport is paused + * @package + */ + }, { + key: "pause", + value: function pause(onPause) { + var _this2 = this; + this.readyState = "pausing"; + var pause = function pause() { + _this2.readyState = "paused"; + onPause(); + }; + if (this.polling || !this.writable) { + var total = 0; + if (this.polling) { + total++; + this.once("pollComplete", function () { + --total || pause(); + }); + } + if (!this.writable) { + total++; + this.once("drain", function () { + --total || pause(); + }); + } + } else { + pause(); + } + } + /** + * Starts polling cycle. + * + * @private + */ + }, { + key: "poll", + value: function poll() { + this.polling = true; + this.doPoll(); + this.emitReserved("poll"); + } + /** + * Overloads onData to detect payloads. + * + * @protected + */ + }, { + key: "onData", + value: function onData(data) { + var _this3 = this; + var callback = function callback(packet) { + // if its the first message we consider the transport open + if ("opening" === _this3.readyState && packet.type === "open") { + _this3.onOpen(); + } + // if its a close packet, we close the ongoing requests + if ("close" === packet.type) { + _this3.onClose({ + description: "transport closed by the server" + }); + return false; + } + // otherwise bypass onData and handle the message + _this3.onPacket(packet); + }; + // decode payload + decodePayload(data, this.socket.binaryType).forEach(callback); + // if an event did not trigger closing + if ("closed" !== this.readyState) { + // if we got data we're not polling + this.polling = false; + this.emitReserved("pollComplete"); + if ("open" === this.readyState) { + this.poll(); + } + } + } + /** + * For polling, send a close packet. + * + * @protected + */ + }, { + key: "doClose", + value: function doClose() { + var _this4 = this; + var close = function close() { + _this4.write([{ + type: "close" + }]); + }; + if ("open" === this.readyState) { + close(); + } else { + // in case we're trying to close while + // handshaking is in progress (GH-164) + this.once("open", close); + } + } + /** + * Writes a packets payload. + * + * @param {Array} packets - data packets + * @protected + */ + }, { + key: "write", + value: function write(packets) { + var _this5 = this; + this.writable = false; + encodePayload(packets, function (data) { + _this5.doWrite(data, function () { + _this5.writable = true; + _this5.emitReserved("drain"); + }); + }); + } + /** + * Generates uri for connection. + * + * @private + */ + }, { + key: "uri", + value: function uri() { + var schema = this.opts.secure ? "https" : "http"; + var query = this.query || {}; + // cache busting is forced + if (false !== this.opts.timestampRequests) { + query[this.opts.timestampParam] = yeast(); + } + if (!this.supportsBinary && !query.sid) { + query.b64 = 1; + } + return this.createUri(schema, query); + } + /** + * Creates a request. + * + * @param {String} method + * @private + */ + }, { + key: "request", + value: function request() { + var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + _extends(opts, { + xd: this.xd, + cookieJar: this.cookieJar + }, this.opts); + return new Request(this.uri(), opts); + } + /** + * Sends data. + * + * @param {String} data to send. + * @param {Function} called upon flush. + * @private + */ + }, { + key: "doWrite", + value: function doWrite(data, fn) { + var _this6 = this; + var req = this.request({ + method: "POST", + data: data + }); + req.on("success", fn); + req.on("error", function (xhrStatus, context) { + _this6.onError("xhr post error", xhrStatus, context); + }); + } + /** + * Starts a poll cycle. + * + * @private + */ + }, { + key: "doPoll", + value: function doPoll() { + var _this7 = this; + var req = this.request(); + req.on("data", this.onData.bind(this)); + req.on("error", function (xhrStatus, context) { + _this7.onError("xhr poll error", xhrStatus, context); + }); + this.pollXhr = req; + } + }]); + return Polling; + }(Transport); + var Request = /*#__PURE__*/function (_Emitter) { + _inherits(Request, _Emitter); + var _super2 = _createSuper(Request); + /** + * Request constructor + * + * @param {Object} options + * @package + */ + function Request(uri, opts) { + var _this8; + _classCallCheck(this, Request); + _this8 = _super2.call(this); + installTimerFunctions(_assertThisInitialized(_this8), opts); + _this8.opts = opts; + _this8.method = opts.method || "GET"; + _this8.uri = uri; + _this8.data = undefined !== opts.data ? opts.data : null; + _this8.create(); + return _this8; + } + /** + * Creates the XHR object and sends the request. + * + * @private + */ + _createClass(Request, [{ + key: "create", + value: function create() { + var _this9 = this; + var _a; + var opts = pick(this.opts, "agent", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "autoUnref"); + opts.xdomain = !!this.opts.xd; + var xhr = this.xhr = new XHR(opts); + try { + xhr.open(this.method, this.uri, true); + try { + if (this.opts.extraHeaders) { + xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true); + for (var i in this.opts.extraHeaders) { + if (this.opts.extraHeaders.hasOwnProperty(i)) { + xhr.setRequestHeader(i, this.opts.extraHeaders[i]); + } + } + } + } catch (e) {} + if ("POST" === this.method) { + try { + xhr.setRequestHeader("Content-type", "text/plain;charset=UTF-8"); + } catch (e) {} + } + try { + xhr.setRequestHeader("Accept", "*/*"); + } catch (e) {} + (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr); + // ie6 check + if ("withCredentials" in xhr) { + xhr.withCredentials = this.opts.withCredentials; + } + if (this.opts.requestTimeout) { + xhr.timeout = this.opts.requestTimeout; + } + xhr.onreadystatechange = function () { + var _a; + if (xhr.readyState === 3) { + (_a = _this9.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr); + } + if (4 !== xhr.readyState) return; + if (200 === xhr.status || 1223 === xhr.status) { + _this9.onLoad(); + } else { + // make sure the `error` event handler that's user-set + // does not throw in the same tick and gets caught here + _this9.setTimeoutFn(function () { + _this9.onError(typeof xhr.status === "number" ? xhr.status : 0); + }, 0); + } + }; + xhr.send(this.data); + } catch (e) { + // Need to defer since .create() is called directly from the constructor + // and thus the 'error' event can only be only bound *after* this exception + // occurs. Therefore, also, we cannot throw here at all. + this.setTimeoutFn(function () { + _this9.onError(e); + }, 0); + return; + } + if (typeof document !== "undefined") { + this.index = Request.requestsCount++; + Request.requests[this.index] = this; + } + } + /** + * Called upon error. + * + * @private + */ + }, { + key: "onError", + value: function onError(err) { + this.emitReserved("error", err, this.xhr); + this.cleanup(true); + } + /** + * Cleans up house. + * + * @private + */ + }, { + key: "cleanup", + value: function cleanup(fromError) { + if ("undefined" === typeof this.xhr || null === this.xhr) { + return; + } + this.xhr.onreadystatechange = empty; + if (fromError) { + try { + this.xhr.abort(); + } catch (e) {} + } + if (typeof document !== "undefined") { + delete Request.requests[this.index]; + } + this.xhr = null; + } + /** + * Called upon load. + * + * @private + */ + }, { + key: "onLoad", + value: function onLoad() { + var data = this.xhr.responseText; + if (data !== null) { + this.emitReserved("data", data); + this.emitReserved("success"); + this.cleanup(); + } + } + /** + * Aborts the request. + * + * @package + */ + }, { + key: "abort", + value: function abort() { + this.cleanup(); + } + }]); + return Request; + }(Emitter); + Request.requestsCount = 0; + Request.requests = {}; + /** + * Aborts pending requests when unloading the window. This is needed to prevent + * memory leaks (e.g. when using IE) and to ensure that no spurious error is + * emitted. + */ + if (typeof document !== "undefined") { + // @ts-ignore + if (typeof attachEvent === "function") { + // @ts-ignore + attachEvent("onunload", unloadHandler); + } else if (typeof addEventListener === "function") { + var terminationEvent = "onpagehide" in globalThisShim ? "pagehide" : "unload"; + addEventListener(terminationEvent, unloadHandler, false); + } + } + function unloadHandler() { + for (var i in Request.requests) { + if (Request.requests.hasOwnProperty(i)) { + Request.requests[i].abort(); + } + } + } + + var nextTick = function () { + var isPromiseAvailable = typeof Promise === "function" && typeof Promise.resolve === "function"; + if (isPromiseAvailable) { + return function (cb) { + return Promise.resolve().then(cb); + }; + } else { + return function (cb, setTimeoutFn) { + return setTimeoutFn(cb, 0); + }; + } + }(); + var WebSocket = globalThisShim.WebSocket || globalThisShim.MozWebSocket; + var usingBrowserWebSocket = true; + var defaultBinaryType = "arraybuffer"; + + // detect ReactNative environment + var isReactNative = typeof navigator !== "undefined" && typeof navigator.product === "string" && navigator.product.toLowerCase() === "reactnative"; + var WS = /*#__PURE__*/function (_Transport) { + _inherits(WS, _Transport); + var _super = _createSuper(WS); + /** + * WebSocket transport constructor. + * + * @param {Object} opts - connection options + * @protected + */ + function WS(opts) { + var _this; + _classCallCheck(this, WS); + _this = _super.call(this, opts); + _this.supportsBinary = !opts.forceBase64; + return _this; + } + _createClass(WS, [{ + key: "name", + get: function get() { + return "websocket"; + } + }, { + key: "doOpen", + value: function doOpen() { + if (!this.check()) { + // let probe timeout + return; + } + var uri = this.uri(); + var protocols = this.opts.protocols; + // React Native only supports the 'headers' option, and will print a warning if anything else is passed + var opts = isReactNative ? {} : pick(this.opts, "agent", "perMessageDeflate", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "localAddress", "protocolVersion", "origin", "maxPayload", "family", "checkServerIdentity"); + if (this.opts.extraHeaders) { + opts.headers = this.opts.extraHeaders; + } + try { + this.ws = usingBrowserWebSocket && !isReactNative ? protocols ? new WebSocket(uri, protocols) : new WebSocket(uri) : new WebSocket(uri, protocols, opts); + } catch (err) { + return this.emitReserved("error", err); + } + this.ws.binaryType = this.socket.binaryType; + this.addEventListeners(); + } + /** + * Adds event listeners to the socket + * + * @private + */ + }, { + key: "addEventListeners", + value: function addEventListeners() { + var _this2 = this; + this.ws.onopen = function () { + if (_this2.opts.autoUnref) { + _this2.ws._socket.unref(); + } + _this2.onOpen(); + }; + this.ws.onclose = function (closeEvent) { + return _this2.onClose({ + description: "websocket connection closed", + context: closeEvent + }); + }; + this.ws.onmessage = function (ev) { + return _this2.onData(ev.data); + }; + this.ws.onerror = function (e) { + return _this2.onError("websocket error", e); + }; + } + }, { + key: "write", + value: function write(packets) { + var _this3 = this; + this.writable = false; + // encodePacket efficient as it uses WS framing + // no need for encodePayload + var _loop = function _loop() { + var packet = packets[i]; + var lastPacket = i === packets.length - 1; + encodePacket(packet, _this3.supportsBinary, function (data) { + // always create a new object (GH-437) + var opts = {}; + // Sometimes the websocket has already been closed but the browser didn't + // have a chance of informing us about it yet, in that case send will + // throw an error + try { + if (usingBrowserWebSocket) { + // TypeError is thrown when passing the second argument on Safari + _this3.ws.send(data); + } + } catch (e) {} + if (lastPacket) { + // fake drain + // defer to next tick to allow Socket to clear writeBuffer + nextTick(function () { + _this3.writable = true; + _this3.emitReserved("drain"); + }, _this3.setTimeoutFn); + } + }); + }; + for (var i = 0; i < packets.length; i++) { + _loop(); + } + } + }, { + key: "doClose", + value: function doClose() { + if (typeof this.ws !== "undefined") { + this.ws.close(); + this.ws = null; + } + } + /** + * Generates uri for connection. + * + * @private + */ + }, { + key: "uri", + value: function uri() { + var schema = this.opts.secure ? "wss" : "ws"; + var query = this.query || {}; + // append timestamp to URI + if (this.opts.timestampRequests) { + query[this.opts.timestampParam] = yeast(); + } + // communicate binary support capabilities + if (!this.supportsBinary) { + query.b64 = 1; + } + return this.createUri(schema, query); + } + /** + * Feature detection for WebSocket. + * + * @return {Boolean} whether this transport is available. + * @private + */ + }, { + key: "check", + value: function check() { + return !!WebSocket; + } + }]); + return WS; + }(Transport); + + var WT = /*#__PURE__*/function (_Transport) { + _inherits(WT, _Transport); + var _super = _createSuper(WT); + function WT() { + _classCallCheck(this, WT); + return _super.apply(this, arguments); + } + _createClass(WT, [{ + key: "name", + get: function get() { + return "webtransport"; + } + }, { + key: "doOpen", + value: function doOpen() { + var _this = this; + // @ts-ignore + if (typeof WebTransport !== "function") { + return; + } + // @ts-ignore + this.transport = new WebTransport(this.createUri("https"), this.opts.transportOptions[this.name]); + this.transport.closed.then(function () { + _this.onClose(); + })["catch"](function (err) { + _this.onError("webtransport error", err); + }); + // note: we could have used async/await, but that would require some additional polyfills + this.transport.ready.then(function () { + _this.transport.createBidirectionalStream().then(function (stream) { + var decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, _this.socket.binaryType); + var reader = stream.readable.pipeThrough(decoderStream).getReader(); + var encoderStream = createPacketEncoderStream(); + encoderStream.readable.pipeTo(stream.writable); + _this.writer = encoderStream.writable.getWriter(); + var read = function read() { + reader.read().then(function (_ref) { + var done = _ref.done, + value = _ref.value; + if (done) { + return; + } + _this.onPacket(value); + read(); + })["catch"](function (err) {}); + }; + read(); + var packet = { + type: "open" + }; + if (_this.query.sid) { + packet.data = "{\"sid\":\"".concat(_this.query.sid, "\"}"); + } + _this.writer.write(packet).then(function () { + return _this.onOpen(); + }); + }); + }); + } + }, { + key: "write", + value: function write(packets) { + var _this2 = this; + this.writable = false; + var _loop = function _loop() { + var packet = packets[i]; + var lastPacket = i === packets.length - 1; + _this2.writer.write(packet).then(function () { + if (lastPacket) { + nextTick(function () { + _this2.writable = true; + _this2.emitReserved("drain"); + }, _this2.setTimeoutFn); + } + }); + }; + for (var i = 0; i < packets.length; i++) { + _loop(); + } + } + }, { + key: "doClose", + value: function doClose() { + var _a; + (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close(); + } + }]); + return WT; + }(Transport); + + var transports = { + websocket: WS, + webtransport: WT, + polling: Polling + }; + + // imported from https://github.com/galkn/parseuri + /** + * Parses a URI + * + * Note: we could also have used the built-in URL object, but it isn't supported on all platforms. + * + * See: + * - https://developer.mozilla.org/en-US/docs/Web/API/URL + * - https://caniuse.com/url + * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B + * + * History of the parse() method: + * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c + * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3 + * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242 + * + * @author Steven Levithan (MIT license) + * @api private + */ + var re = /^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/; + var parts = ['source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor']; + function parse(str) { + var src = str, + b = str.indexOf('['), + e = str.indexOf(']'); + if (b != -1 && e != -1) { + str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length); + } + var m = re.exec(str || ''), + uri = {}, + i = 14; + while (i--) { + uri[parts[i]] = m[i] || ''; + } + if (b != -1 && e != -1) { + uri.source = src; + uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':'); + uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':'); + uri.ipv6uri = true; + } + uri.pathNames = pathNames(uri, uri['path']); + uri.queryKey = queryKey(uri, uri['query']); + return uri; + } + function pathNames(obj, path) { + var regx = /\/{2,9}/g, + names = path.replace(regx, "/").split("/"); + if (path.slice(0, 1) == '/' || path.length === 0) { + names.splice(0, 1); + } + if (path.slice(-1) == '/') { + names.splice(names.length - 1, 1); + } + return names; + } + function queryKey(uri, query) { + var data = {}; + query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) { + if ($1) { + data[$1] = $2; + } + }); + return data; + } + + var Socket$1 = /*#__PURE__*/function (_Emitter) { + _inherits(Socket, _Emitter); + var _super = _createSuper(Socket); + /** + * Socket constructor. + * + * @param {String|Object} uri - uri or options + * @param {Object} opts - options + */ + function Socket(uri) { + var _this; + var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + _classCallCheck(this, Socket); + _this = _super.call(this); + _this.binaryType = defaultBinaryType; + _this.writeBuffer = []; + if (uri && "object" === _typeof(uri)) { + opts = uri; + uri = null; + } + if (uri) { + uri = parse(uri); + opts.hostname = uri.host; + opts.secure = uri.protocol === "https" || uri.protocol === "wss"; + opts.port = uri.port; + if (uri.query) opts.query = uri.query; + } else if (opts.host) { + opts.hostname = parse(opts.host).host; + } + installTimerFunctions(_assertThisInitialized(_this), opts); + _this.secure = null != opts.secure ? opts.secure : typeof location !== "undefined" && "https:" === location.protocol; + if (opts.hostname && !opts.port) { + // if no port is specified manually, use the protocol default + opts.port = _this.secure ? "443" : "80"; + } + _this.hostname = opts.hostname || (typeof location !== "undefined" ? location.hostname : "localhost"); + _this.port = opts.port || (typeof location !== "undefined" && location.port ? location.port : _this.secure ? "443" : "80"); + _this.transports = opts.transports || ["polling", "websocket", "webtransport"]; + _this.writeBuffer = []; + _this.prevBufferLen = 0; + _this.opts = _extends({ + path: "/engine.io", + agent: false, + withCredentials: false, + upgrade: true, + timestampParam: "t", + rememberUpgrade: false, + addTrailingSlash: true, + rejectUnauthorized: true, + perMessageDeflate: { + threshold: 1024 + }, + transportOptions: {}, + closeOnBeforeunload: false + }, opts); + _this.opts.path = _this.opts.path.replace(/\/$/, "") + (_this.opts.addTrailingSlash ? "/" : ""); + if (typeof _this.opts.query === "string") { + _this.opts.query = decode(_this.opts.query); + } + // set on handshake + _this.id = null; + _this.upgrades = null; + _this.pingInterval = null; + _this.pingTimeout = null; + // set on heartbeat + _this.pingTimeoutTimer = null; + if (typeof addEventListener === "function") { + if (_this.opts.closeOnBeforeunload) { + // Firefox closes the connection when the "beforeunload" event is emitted but not Chrome. This event listener + // ensures every browser behaves the same (no "disconnect" event at the Socket.IO level when the page is + // closed/reloaded) + _this.beforeunloadEventListener = function () { + if (_this.transport) { + // silently close the transport + _this.transport.removeAllListeners(); + _this.transport.close(); + } + }; + addEventListener("beforeunload", _this.beforeunloadEventListener, false); + } + if (_this.hostname !== "localhost") { + _this.offlineEventListener = function () { + _this.onClose("transport close", { + description: "network connection lost" + }); + }; + addEventListener("offline", _this.offlineEventListener, false); + } + } + _this.open(); + return _this; + } + /** + * Creates transport of the given type. + * + * @param {String} name - transport name + * @return {Transport} + * @private + */ + _createClass(Socket, [{ + key: "createTransport", + value: function createTransport(name) { + var query = _extends({}, this.opts.query); + // append engine.io protocol identifier + query.EIO = protocol$1; + // transport name + query.transport = name; + // session id if we already have one + if (this.id) query.sid = this.id; + var opts = _extends({}, this.opts, { + query: query, + socket: this, + hostname: this.hostname, + secure: this.secure, + port: this.port + }, this.opts.transportOptions[name]); + return new transports[name](opts); + } + /** + * Initializes transport to use and starts probe. + * + * @private + */ + }, { + key: "open", + value: function open() { + var _this2 = this; + var transport; + if (this.opts.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf("websocket") !== -1) { + transport = "websocket"; + } else if (0 === this.transports.length) { + // Emit error on next tick so it can be listened to + this.setTimeoutFn(function () { + _this2.emitReserved("error", "No transports available"); + }, 0); + return; + } else { + transport = this.transports[0]; + } + this.readyState = "opening"; + // Retry with the next transport if the transport is disabled (jsonp: false) + try { + transport = this.createTransport(transport); + } catch (e) { + this.transports.shift(); + this.open(); + return; + } + transport.open(); + this.setTransport(transport); + } + /** + * Sets the current transport. Disables the existing one (if any). + * + * @private + */ + }, { + key: "setTransport", + value: function setTransport(transport) { + var _this3 = this; + if (this.transport) { + this.transport.removeAllListeners(); + } + // set up transport + this.transport = transport; + // set up transport listeners + transport.on("drain", this.onDrain.bind(this)).on("packet", this.onPacket.bind(this)).on("error", this.onError.bind(this)).on("close", function (reason) { + return _this3.onClose("transport close", reason); + }); + } + /** + * Probes a transport. + * + * @param {String} name - transport name + * @private + */ + }, { + key: "probe", + value: function probe(name) { + var _this4 = this; + var transport = this.createTransport(name); + var failed = false; + Socket.priorWebsocketSuccess = false; + var onTransportOpen = function onTransportOpen() { + if (failed) return; + transport.send([{ + type: "ping", + data: "probe" + }]); + transport.once("packet", function (msg) { + if (failed) return; + if ("pong" === msg.type && "probe" === msg.data) { + _this4.upgrading = true; + _this4.emitReserved("upgrading", transport); + if (!transport) return; + Socket.priorWebsocketSuccess = "websocket" === transport.name; + _this4.transport.pause(function () { + if (failed) return; + if ("closed" === _this4.readyState) return; + cleanup(); + _this4.setTransport(transport); + transport.send([{ + type: "upgrade" + }]); + _this4.emitReserved("upgrade", transport); + transport = null; + _this4.upgrading = false; + _this4.flush(); + }); + } else { + var err = new Error("probe error"); + // @ts-ignore + err.transport = transport.name; + _this4.emitReserved("upgradeError", err); + } + }); + }; + function freezeTransport() { + if (failed) return; + // Any callback called by transport should be ignored since now + failed = true; + cleanup(); + transport.close(); + transport = null; + } + // Handle any error that happens while probing + var onerror = function onerror(err) { + var error = new Error("probe error: " + err); + // @ts-ignore + error.transport = transport.name; + freezeTransport(); + _this4.emitReserved("upgradeError", error); + }; + function onTransportClose() { + onerror("transport closed"); + } + // When the socket is closed while we're probing + function onclose() { + onerror("socket closed"); + } + // When the socket is upgraded while we're probing + function onupgrade(to) { + if (transport && to.name !== transport.name) { + freezeTransport(); + } + } + // Remove all listeners on the transport and on self + var cleanup = function cleanup() { + transport.removeListener("open", onTransportOpen); + transport.removeListener("error", onerror); + transport.removeListener("close", onTransportClose); + _this4.off("close", onclose); + _this4.off("upgrading", onupgrade); + }; + transport.once("open", onTransportOpen); + transport.once("error", onerror); + transport.once("close", onTransportClose); + this.once("close", onclose); + this.once("upgrading", onupgrade); + if (this.upgrades.indexOf("webtransport") !== -1 && name !== "webtransport") { + // favor WebTransport + this.setTimeoutFn(function () { + if (!failed) { + transport.open(); + } + }, 200); + } else { + transport.open(); + } + } + /** + * Called when connection is deemed open. + * + * @private + */ + }, { + key: "onOpen", + value: function onOpen() { + this.readyState = "open"; + Socket.priorWebsocketSuccess = "websocket" === this.transport.name; + this.emitReserved("open"); + this.flush(); + // we check for `readyState` in case an `open` + // listener already closed the socket + if ("open" === this.readyState && this.opts.upgrade) { + var i = 0; + var l = this.upgrades.length; + for (; i < l; i++) { + this.probe(this.upgrades[i]); + } + } + } + /** + * Handles a packet. + * + * @private + */ + }, { + key: "onPacket", + value: function onPacket(packet) { + if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) { + this.emitReserved("packet", packet); + // Socket is live - any packet counts + this.emitReserved("heartbeat"); + this.resetPingTimeout(); + switch (packet.type) { + case "open": + this.onHandshake(JSON.parse(packet.data)); + break; + case "ping": + this.sendPacket("pong"); + this.emitReserved("ping"); + this.emitReserved("pong"); + break; + case "error": + var err = new Error("server error"); + // @ts-ignore + err.code = packet.data; + this.onError(err); + break; + case "message": + this.emitReserved("data", packet.data); + this.emitReserved("message", packet.data); + break; + } + } + } + /** + * Called upon handshake completion. + * + * @param {Object} data - handshake obj + * @private + */ + }, { + key: "onHandshake", + value: function onHandshake(data) { + this.emitReserved("handshake", data); + this.id = data.sid; + this.transport.query.sid = data.sid; + this.upgrades = this.filterUpgrades(data.upgrades); + this.pingInterval = data.pingInterval; + this.pingTimeout = data.pingTimeout; + this.maxPayload = data.maxPayload; + this.onOpen(); + // In case open handler closes socket + if ("closed" === this.readyState) return; + this.resetPingTimeout(); + } + /** + * Sets and resets ping timeout timer based on server pings. + * + * @private + */ + }, { + key: "resetPingTimeout", + value: function resetPingTimeout() { + var _this5 = this; + this.clearTimeoutFn(this.pingTimeoutTimer); + this.pingTimeoutTimer = this.setTimeoutFn(function () { + _this5.onClose("ping timeout"); + }, this.pingInterval + this.pingTimeout); + if (this.opts.autoUnref) { + this.pingTimeoutTimer.unref(); + } + } + /** + * Called on `drain` event + * + * @private + */ + }, { + key: "onDrain", + value: function onDrain() { + this.writeBuffer.splice(0, this.prevBufferLen); + // setting prevBufferLen = 0 is very important + // for example, when upgrading, upgrade packet is sent over, + // and a nonzero prevBufferLen could cause problems on `drain` + this.prevBufferLen = 0; + if (0 === this.writeBuffer.length) { + this.emitReserved("drain"); + } else { + this.flush(); + } + } + /** + * Flush write buffers. + * + * @private + */ + }, { + key: "flush", + value: function flush() { + if ("closed" !== this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) { + var packets = this.getWritablePackets(); + this.transport.send(packets); + // keep track of current length of writeBuffer + // splice writeBuffer and callbackBuffer on `drain` + this.prevBufferLen = packets.length; + this.emitReserved("flush"); + } + } + /** + * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP + * long-polling) + * + * @private + */ + }, { + key: "getWritablePackets", + value: function getWritablePackets() { + var shouldCheckPayloadSize = this.maxPayload && this.transport.name === "polling" && this.writeBuffer.length > 1; + if (!shouldCheckPayloadSize) { + return this.writeBuffer; + } + var payloadSize = 1; // first packet type + for (var i = 0; i < this.writeBuffer.length; i++) { + var data = this.writeBuffer[i].data; + if (data) { + payloadSize += byteLength(data); + } + if (i > 0 && payloadSize > this.maxPayload) { + return this.writeBuffer.slice(0, i); + } + payloadSize += 2; // separator + packet type + } + + return this.writeBuffer; + } + /** + * Sends a message. + * + * @param {String} msg - message. + * @param {Object} options. + * @param {Function} callback function. + * @return {Socket} for chaining. + */ + }, { + key: "write", + value: function write(msg, options, fn) { + this.sendPacket("message", msg, options, fn); + return this; + } + }, { + key: "send", + value: function send(msg, options, fn) { + this.sendPacket("message", msg, options, fn); + return this; + } + /** + * Sends a packet. + * + * @param {String} type: packet type. + * @param {String} data. + * @param {Object} options. + * @param {Function} fn - callback function. + * @private + */ + }, { + key: "sendPacket", + value: function sendPacket(type, data, options, fn) { + if ("function" === typeof data) { + fn = data; + data = undefined; + } + if ("function" === typeof options) { + fn = options; + options = null; + } + if ("closing" === this.readyState || "closed" === this.readyState) { + return; + } + options = options || {}; + options.compress = false !== options.compress; + var packet = { + type: type, + data: data, + options: options + }; + this.emitReserved("packetCreate", packet); + this.writeBuffer.push(packet); + if (fn) this.once("flush", fn); + this.flush(); + } + /** + * Closes the connection. + */ + }, { + key: "close", + value: function close() { + var _this6 = this; + var close = function close() { + _this6.onClose("forced close"); + _this6.transport.close(); + }; + var cleanupAndClose = function cleanupAndClose() { + _this6.off("upgrade", cleanupAndClose); + _this6.off("upgradeError", cleanupAndClose); + close(); + }; + var waitForUpgrade = function waitForUpgrade() { + // wait for upgrade to finish since we can't send packets while pausing a transport + _this6.once("upgrade", cleanupAndClose); + _this6.once("upgradeError", cleanupAndClose); + }; + if ("opening" === this.readyState || "open" === this.readyState) { + this.readyState = "closing"; + if (this.writeBuffer.length) { + this.once("drain", function () { + if (_this6.upgrading) { + waitForUpgrade(); + } else { + close(); + } + }); + } else if (this.upgrading) { + waitForUpgrade(); + } else { + close(); + } + } + return this; + } + /** + * Called upon transport error + * + * @private + */ + }, { + key: "onError", + value: function onError(err) { + Socket.priorWebsocketSuccess = false; + this.emitReserved("error", err); + this.onClose("transport error", err); + } + /** + * Called upon transport close. + * + * @private + */ + }, { + key: "onClose", + value: function onClose(reason, description) { + if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) { + // clear timers + this.clearTimeoutFn(this.pingTimeoutTimer); + // stop event from firing again for transport + this.transport.removeAllListeners("close"); + // ensure transport won't stay open + this.transport.close(); + // ignore further transport communication + this.transport.removeAllListeners(); + if (typeof removeEventListener === "function") { + removeEventListener("beforeunload", this.beforeunloadEventListener, false); + removeEventListener("offline", this.offlineEventListener, false); + } + // set ready state + this.readyState = "closed"; + // clear session id + this.id = null; + // emit close event + this.emitReserved("close", reason, description); + // clean buffers after, so users can still + // grab the buffers on `close` event + this.writeBuffer = []; + this.prevBufferLen = 0; + } + } + /** + * Filters upgrades, returning only those matching client transports. + * + * @param {Array} upgrades - server upgrades + * @private + */ + }, { + key: "filterUpgrades", + value: function filterUpgrades(upgrades) { + var filteredUpgrades = []; + var i = 0; + var j = upgrades.length; + for (; i < j; i++) { + if (~this.transports.indexOf(upgrades[i])) filteredUpgrades.push(upgrades[i]); + } + return filteredUpgrades; + } + }]); + return Socket; + }(Emitter); + Socket$1.protocol = protocol$1; + + Socket$1.protocol; + + /** + * URL parser. + * + * @param uri - url + * @param path - the request path of the connection + * @param loc - An object meant to mimic window.location. + * Defaults to window.location. + * @public + */ + function url(uri) { + var path = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : ""; + var loc = arguments.length > 2 ? arguments[2] : undefined; + var obj = uri; + // default to window.location + loc = loc || typeof location !== "undefined" && location; + if (null == uri) uri = loc.protocol + "//" + loc.host; + // relative path support + if (typeof uri === "string") { + if ("/" === uri.charAt(0)) { + if ("/" === uri.charAt(1)) { + uri = loc.protocol + uri; + } else { + uri = loc.host + uri; + } + } + if (!/^(https?|wss?):\/\//.test(uri)) { + if ("undefined" !== typeof loc) { + uri = loc.protocol + "//" + uri; + } else { + uri = "https://" + uri; + } + } + // parse + obj = parse(uri); + } + // make sure we treat `localhost:80` and `localhost` equally + if (!obj.port) { + if (/^(http|ws)$/.test(obj.protocol)) { + obj.port = "80"; + } else if (/^(http|ws)s$/.test(obj.protocol)) { + obj.port = "443"; + } + } + obj.path = obj.path || "/"; + var ipv6 = obj.host.indexOf(":") !== -1; + var host = ipv6 ? "[" + obj.host + "]" : obj.host; + // define unique id + obj.id = obj.protocol + "://" + host + ":" + obj.port + path; + // define href + obj.href = obj.protocol + "://" + host + (loc && loc.port === obj.port ? "" : ":" + obj.port); + return obj; + } + + var withNativeArrayBuffer = typeof ArrayBuffer === "function"; + var isView = function isView(obj) { + return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj.buffer instanceof ArrayBuffer; + }; + var toString = Object.prototype.toString; + var withNativeBlob = typeof Blob === "function" || typeof Blob !== "undefined" && toString.call(Blob) === "[object BlobConstructor]"; + var withNativeFile = typeof File === "function" || typeof File !== "undefined" && toString.call(File) === "[object FileConstructor]"; + /** + * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. + * + * @private + */ + function isBinary(obj) { + return withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj)) || withNativeBlob && obj instanceof Blob || withNativeFile && obj instanceof File; + } + function hasBinary(obj, toJSON) { + if (!obj || _typeof(obj) !== "object") { + return false; + } + if (Array.isArray(obj)) { + for (var i = 0, l = obj.length; i < l; i++) { + if (hasBinary(obj[i])) { + return true; + } + } + return false; + } + if (isBinary(obj)) { + return true; + } + if (obj.toJSON && typeof obj.toJSON === "function" && arguments.length === 1) { + return hasBinary(obj.toJSON(), true); + } + for (var key in obj) { + if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) { + return true; + } + } + return false; + } + + /** + * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. + * + * @param {Object} packet - socket.io event packet + * @return {Object} with deconstructed packet and list of buffers + * @public + */ + function deconstructPacket(packet) { + var buffers = []; + var packetData = packet.data; + var pack = packet; + pack.data = _deconstructPacket(packetData, buffers); + pack.attachments = buffers.length; // number of binary 'attachments' + return { + packet: pack, + buffers: buffers + }; + } + function _deconstructPacket(data, buffers) { + if (!data) return data; + if (isBinary(data)) { + var placeholder = { + _placeholder: true, + num: buffers.length + }; + buffers.push(data); + return placeholder; + } else if (Array.isArray(data)) { + var newData = new Array(data.length); + for (var i = 0; i < data.length; i++) { + newData[i] = _deconstructPacket(data[i], buffers); + } + return newData; + } else if (_typeof(data) === "object" && !(data instanceof Date)) { + var _newData = {}; + for (var key in data) { + if (Object.prototype.hasOwnProperty.call(data, key)) { + _newData[key] = _deconstructPacket(data[key], buffers); + } + } + return _newData; + } + return data; + } + /** + * Reconstructs a binary packet from its placeholder packet and buffers + * + * @param {Object} packet - event packet with placeholders + * @param {Array} buffers - binary buffers to put in placeholder positions + * @return {Object} reconstructed packet + * @public + */ + function reconstructPacket(packet, buffers) { + packet.data = _reconstructPacket(packet.data, buffers); + delete packet.attachments; // no longer useful + return packet; + } + function _reconstructPacket(data, buffers) { + if (!data) return data; + if (data && data._placeholder === true) { + var isIndexValid = typeof data.num === "number" && data.num >= 0 && data.num < buffers.length; + if (isIndexValid) { + return buffers[data.num]; // appropriate buffer (should be natural order anyway) + } else { + throw new Error("illegal attachments"); + } + } else if (Array.isArray(data)) { + for (var i = 0; i < data.length; i++) { + data[i] = _reconstructPacket(data[i], buffers); + } + } else if (_typeof(data) === "object") { + for (var key in data) { + if (Object.prototype.hasOwnProperty.call(data, key)) { + data[key] = _reconstructPacket(data[key], buffers); + } + } + } + return data; + } + + /** + * These strings must not be used as event names, as they have a special meaning. + */ + var RESERVED_EVENTS$1 = ["connect", "connect_error", "disconnect", "disconnecting", "newListener", "removeListener" // used by the Node.js EventEmitter + ]; + /** + * Protocol version. + * + * @public + */ + var protocol = 5; + var PacketType; + (function (PacketType) { + PacketType[PacketType["CONNECT"] = 0] = "CONNECT"; + PacketType[PacketType["DISCONNECT"] = 1] = "DISCONNECT"; + PacketType[PacketType["EVENT"] = 2] = "EVENT"; + PacketType[PacketType["ACK"] = 3] = "ACK"; + PacketType[PacketType["CONNECT_ERROR"] = 4] = "CONNECT_ERROR"; + PacketType[PacketType["BINARY_EVENT"] = 5] = "BINARY_EVENT"; + PacketType[PacketType["BINARY_ACK"] = 6] = "BINARY_ACK"; + })(PacketType || (PacketType = {})); + /** + * A socket.io Encoder instance + */ + var Encoder = /*#__PURE__*/function () { + /** + * Encoder constructor + * + * @param {function} replacer - custom replacer to pass down to JSON.parse + */ + function Encoder(replacer) { + _classCallCheck(this, Encoder); + this.replacer = replacer; + } + /** + * Encode a packet as a single string if non-binary, or as a + * buffer sequence, depending on packet type. + * + * @param {Object} obj - packet object + */ + _createClass(Encoder, [{ + key: "encode", + value: function encode(obj) { + if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) { + if (hasBinary(obj)) { + return this.encodeAsBinary({ + type: obj.type === PacketType.EVENT ? PacketType.BINARY_EVENT : PacketType.BINARY_ACK, + nsp: obj.nsp, + data: obj.data, + id: obj.id + }); + } + } + return [this.encodeAsString(obj)]; + } + /** + * Encode packet as string. + */ + }, { + key: "encodeAsString", + value: function encodeAsString(obj) { + // first is type + var str = "" + obj.type; + // attachments if we have them + if (obj.type === PacketType.BINARY_EVENT || obj.type === PacketType.BINARY_ACK) { + str += obj.attachments + "-"; + } + // if we have a namespace other than `/` + // we append it followed by a comma `,` + if (obj.nsp && "/" !== obj.nsp) { + str += obj.nsp + ","; + } + // immediately followed by the id + if (null != obj.id) { + str += obj.id; + } + // json data + if (null != obj.data) { + str += JSON.stringify(obj.data, this.replacer); + } + return str; + } + /** + * Encode packet as 'buffer sequence' by removing blobs, and + * deconstructing packet into object with placeholders and + * a list of buffers. + */ + }, { + key: "encodeAsBinary", + value: function encodeAsBinary(obj) { + var deconstruction = deconstructPacket(obj); + var pack = this.encodeAsString(deconstruction.packet); + var buffers = deconstruction.buffers; + buffers.unshift(pack); // add packet info to beginning of data list + return buffers; // write all the buffers + } + }]); + return Encoder; + }(); + // see https://stackoverflow.com/questions/8511281/check-if-a-value-is-an-object-in-javascript + function isObject(value) { + return Object.prototype.toString.call(value) === "[object Object]"; + } + /** + * A socket.io Decoder instance + * + * @return {Object} decoder + */ + var Decoder = /*#__PURE__*/function (_Emitter) { + _inherits(Decoder, _Emitter); + var _super = _createSuper(Decoder); + /** + * Decoder constructor + * + * @param {function} reviver - custom reviver to pass down to JSON.stringify + */ + function Decoder(reviver) { + var _this; + _classCallCheck(this, Decoder); + _this = _super.call(this); + _this.reviver = reviver; + return _this; + } + /** + * Decodes an encoded packet string into packet JSON. + * + * @param {String} obj - encoded packet + */ + _createClass(Decoder, [{ + key: "add", + value: function add(obj) { + var packet; + if (typeof obj === "string") { + if (this.reconstructor) { + throw new Error("got plaintext data when reconstructing a packet"); + } + packet = this.decodeString(obj); + var isBinaryEvent = packet.type === PacketType.BINARY_EVENT; + if (isBinaryEvent || packet.type === PacketType.BINARY_ACK) { + packet.type = isBinaryEvent ? PacketType.EVENT : PacketType.ACK; + // binary packet's json + this.reconstructor = new BinaryReconstructor(packet); + // no attachments, labeled binary but no binary data to follow + if (packet.attachments === 0) { + _get(_getPrototypeOf(Decoder.prototype), "emitReserved", this).call(this, "decoded", packet); + } + } else { + // non-binary full packet + _get(_getPrototypeOf(Decoder.prototype), "emitReserved", this).call(this, "decoded", packet); + } + } else if (isBinary(obj) || obj.base64) { + // raw binary data + if (!this.reconstructor) { + throw new Error("got binary data when not reconstructing a packet"); + } else { + packet = this.reconstructor.takeBinaryData(obj); + if (packet) { + // received final buffer + this.reconstructor = null; + _get(_getPrototypeOf(Decoder.prototype), "emitReserved", this).call(this, "decoded", packet); + } + } + } else { + throw new Error("Unknown type: " + obj); + } + } + /** + * Decode a packet String (JSON data) + * + * @param {String} str + * @return {Object} packet + */ + }, { + key: "decodeString", + value: function decodeString(str) { + var i = 0; + // look up type + var p = { + type: Number(str.charAt(0)) + }; + if (PacketType[p.type] === undefined) { + throw new Error("unknown packet type " + p.type); + } + // look up attachments if type binary + if (p.type === PacketType.BINARY_EVENT || p.type === PacketType.BINARY_ACK) { + var start = i + 1; + while (str.charAt(++i) !== "-" && i != str.length) {} + var buf = str.substring(start, i); + if (buf != Number(buf) || str.charAt(i) !== "-") { + throw new Error("Illegal attachments"); + } + p.attachments = Number(buf); + } + // look up namespace (if any) + if ("/" === str.charAt(i + 1)) { + var _start = i + 1; + while (++i) { + var c = str.charAt(i); + if ("," === c) break; + if (i === str.length) break; + } + p.nsp = str.substring(_start, i); + } else { + p.nsp = "/"; + } + // look up id + var next = str.charAt(i + 1); + if ("" !== next && Number(next) == next) { + var _start2 = i + 1; + while (++i) { + var _c = str.charAt(i); + if (null == _c || Number(_c) != _c) { + --i; + break; + } + if (i === str.length) break; + } + p.id = Number(str.substring(_start2, i + 1)); + } + // look up json data + if (str.charAt(++i)) { + var payload = this.tryParse(str.substr(i)); + if (Decoder.isPayloadValid(p.type, payload)) { + p.data = payload; + } else { + throw new Error("invalid payload"); + } + } + return p; + } + }, { + key: "tryParse", + value: function tryParse(str) { + try { + return JSON.parse(str, this.reviver); + } catch (e) { + return false; + } + } + }, { + key: "destroy", + value: + /** + * Deallocates a parser's resources + */ + function destroy() { + if (this.reconstructor) { + this.reconstructor.finishedReconstruction(); + this.reconstructor = null; + } + } + }], [{ + key: "isPayloadValid", + value: function isPayloadValid(type, payload) { + switch (type) { + case PacketType.CONNECT: + return isObject(payload); + case PacketType.DISCONNECT: + return payload === undefined; + case PacketType.CONNECT_ERROR: + return typeof payload === "string" || isObject(payload); + case PacketType.EVENT: + case PacketType.BINARY_EVENT: + return Array.isArray(payload) && (typeof payload[0] === "number" || typeof payload[0] === "string" && RESERVED_EVENTS$1.indexOf(payload[0]) === -1); + case PacketType.ACK: + case PacketType.BINARY_ACK: + return Array.isArray(payload); + } + } + }]); + return Decoder; + }(Emitter); + /** + * A manager of a binary event's 'buffer sequence'. Should + * be constructed whenever a packet of type BINARY_EVENT is + * decoded. + * + * @param {Object} packet + * @return {BinaryReconstructor} initialized reconstructor + */ + var BinaryReconstructor = /*#__PURE__*/function () { + function BinaryReconstructor(packet) { + _classCallCheck(this, BinaryReconstructor); + this.packet = packet; + this.buffers = []; + this.reconPack = packet; + } + /** + * Method to be called when binary data received from connection + * after a BINARY_EVENT packet. + * + * @param {Buffer | ArrayBuffer} binData - the raw binary data received + * @return {null | Object} returns null if more binary data is expected or + * a reconstructed packet object if all buffers have been received. + */ + _createClass(BinaryReconstructor, [{ + key: "takeBinaryData", + value: function takeBinaryData(binData) { + this.buffers.push(binData); + if (this.buffers.length === this.reconPack.attachments) { + // done with buffer list + var packet = reconstructPacket(this.reconPack, this.buffers); + this.finishedReconstruction(); + return packet; + } + return null; + } + /** + * Cleans up binary packet reconstruction variables. + */ + }, { + key: "finishedReconstruction", + value: function finishedReconstruction() { + this.reconPack = null; + this.buffers = []; + } + }]); + return BinaryReconstructor; + }(); + + var parser = /*#__PURE__*/Object.freeze({ + __proto__: null, + protocol: protocol, + get PacketType () { return PacketType; }, + Encoder: Encoder, + Decoder: Decoder + }); + + function on(obj, ev, fn) { + obj.on(ev, fn); + return function subDestroy() { + obj.off(ev, fn); + }; + } + + /** + * Internal events. + * These events can't be emitted by the user. + */ + var RESERVED_EVENTS = Object.freeze({ + connect: 1, + connect_error: 1, + disconnect: 1, + disconnecting: 1, + // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener + newListener: 1, + removeListener: 1 + }); + /** + * A Socket is the fundamental class for interacting with the server. + * + * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate. + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log("connected"); + * }); + * + * // send an event to the server + * socket.emit("foo", "bar"); + * + * socket.on("foobar", () => { + * // an event was received from the server + * }); + * + * // upon disconnection + * socket.on("disconnect", (reason) => { + * console.log(`disconnected due to ${reason}`); + * }); + */ + var Socket = /*#__PURE__*/function (_Emitter) { + _inherits(Socket, _Emitter); + var _super = _createSuper(Socket); + /** + * `Socket` constructor. + */ + function Socket(io, nsp, opts) { + var _this; + _classCallCheck(this, Socket); + _this = _super.call(this); + /** + * Whether the socket is currently connected to the server. + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log(socket.connected); // true + * }); + * + * socket.on("disconnect", () => { + * console.log(socket.connected); // false + * }); + */ + _this.connected = false; + /** + * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will + * be transmitted by the server. + */ + _this.recovered = false; + /** + * Buffer for packets received before the CONNECT packet + */ + _this.receiveBuffer = []; + /** + * Buffer for packets that will be sent once the socket is connected + */ + _this.sendBuffer = []; + /** + * The queue of packets to be sent with retry in case of failure. + * + * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order. + * @private + */ + _this._queue = []; + /** + * A sequence to generate the ID of the {@link QueuedPacket}. + * @private + */ + _this._queueSeq = 0; + _this.ids = 0; + _this.acks = {}; + _this.flags = {}; + _this.io = io; + _this.nsp = nsp; + if (opts && opts.auth) { + _this.auth = opts.auth; + } + _this._opts = _extends({}, opts); + if (_this.io._autoConnect) _this.open(); + return _this; + } + /** + * Whether the socket is currently disconnected + * + * @example + * const socket = io(); + * + * socket.on("connect", () => { + * console.log(socket.disconnected); // false + * }); + * + * socket.on("disconnect", () => { + * console.log(socket.disconnected); // true + * }); + */ + _createClass(Socket, [{ + key: "disconnected", + get: function get() { + return !this.connected; + } + /** + * Subscribe to open, close and packet events + * + * @private + */ + }, { + key: "subEvents", + value: function subEvents() { + if (this.subs) return; + var io = this.io; + this.subs = [on(io, "open", this.onopen.bind(this)), on(io, "packet", this.onpacket.bind(this)), on(io, "error", this.onerror.bind(this)), on(io, "close", this.onclose.bind(this))]; + } + /** + * Whether the Socket will try to reconnect when its Manager connects or reconnects. + * + * @example + * const socket = io(); + * + * console.log(socket.active); // true + * + * socket.on("disconnect", (reason) => { + * if (reason === "io server disconnect") { + * // the disconnection was initiated by the server, you need to manually reconnect + * console.log(socket.active); // false + * } + * // else the socket will automatically try to reconnect + * console.log(socket.active); // true + * }); + */ + }, { + key: "active", + get: function get() { + return !!this.subs; + } + /** + * "Opens" the socket. + * + * @example + * const socket = io({ + * autoConnect: false + * }); + * + * socket.connect(); + */ + }, { + key: "connect", + value: function connect() { + if (this.connected) return this; + this.subEvents(); + if (!this.io["_reconnecting"]) this.io.open(); // ensure open + if ("open" === this.io._readyState) this.onopen(); + return this; + } + /** + * Alias for {@link connect()}. + */ + }, { + key: "open", + value: function open() { + return this.connect(); + } + /** + * Sends a `message` event. + * + * This method mimics the WebSocket.send() method. + * + * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send + * + * @example + * socket.send("hello"); + * + * // this is equivalent to + * socket.emit("message", "hello"); + * + * @return self + */ + }, { + key: "send", + value: function send() { + for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { + args[_key] = arguments[_key]; + } + args.unshift("message"); + this.emit.apply(this, args); + return this; + } + /** + * Override `emit`. + * If the event is in `events`, it's emitted normally. + * + * @example + * socket.emit("hello", "world"); + * + * // all serializable datastructures are supported (no need to call JSON.stringify) + * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) }); + * + * // with an acknowledgement from the server + * socket.emit("hello", "world", (val) => { + * // ... + * }); + * + * @return self + */ + }, { + key: "emit", + value: function emit(ev) { + if (RESERVED_EVENTS.hasOwnProperty(ev)) { + throw new Error('"' + ev.toString() + '" is a reserved event name'); + } + for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { + args[_key2 - 1] = arguments[_key2]; + } + args.unshift(ev); + if (this._opts.retries && !this.flags.fromQueue && !this.flags["volatile"]) { + this._addToQueue(args); + return this; + } + var packet = { + type: PacketType.EVENT, + data: args + }; + packet.options = {}; + packet.options.compress = this.flags.compress !== false; + // event ack callback + if ("function" === typeof args[args.length - 1]) { + var id = this.ids++; + var ack = args.pop(); + this._registerAckCallback(id, ack); + packet.id = id; + } + var isTransportWritable = this.io.engine && this.io.engine.transport && this.io.engine.transport.writable; + var discardPacket = this.flags["volatile"] && (!isTransportWritable || !this.connected); + if (discardPacket) ; else if (this.connected) { + this.notifyOutgoingListeners(packet); + this.packet(packet); + } else { + this.sendBuffer.push(packet); + } + this.flags = {}; + return this; + } + /** + * @private + */ + }, { + key: "_registerAckCallback", + value: function _registerAckCallback(id, ack) { + var _this2 = this; + var _a; + var timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout; + if (timeout === undefined) { + this.acks[id] = ack; + return; + } + // @ts-ignore + var timer = this.io.setTimeoutFn(function () { + delete _this2.acks[id]; + for (var i = 0; i < _this2.sendBuffer.length; i++) { + if (_this2.sendBuffer[i].id === id) { + _this2.sendBuffer.splice(i, 1); + } + } + ack.call(_this2, new Error("operation has timed out")); + }, timeout); + this.acks[id] = function () { + // @ts-ignore + _this2.io.clearTimeoutFn(timer); + for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) { + args[_key3] = arguments[_key3]; + } + ack.apply(_this2, [null].concat(args)); + }; + } + /** + * Emits an event and waits for an acknowledgement + * + * @example + * // without timeout + * const response = await socket.emitWithAck("hello", "world"); + * + * // with a specific timeout + * try { + * const response = await socket.timeout(1000).emitWithAck("hello", "world"); + * } catch (err) { + * // the server did not acknowledge the event in the given delay + * } + * + * @return a Promise that will be fulfilled when the server acknowledges the event + */ + }, { + key: "emitWithAck", + value: function emitWithAck(ev) { + var _this3 = this; + for (var _len4 = arguments.length, args = new Array(_len4 > 1 ? _len4 - 1 : 0), _key4 = 1; _key4 < _len4; _key4++) { + args[_key4 - 1] = arguments[_key4]; + } + // the timeout flag is optional + var withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined; + return new Promise(function (resolve, reject) { + args.push(function (arg1, arg2) { + if (withErr) { + return arg1 ? reject(arg1) : resolve(arg2); + } else { + return resolve(arg1); + } + }); + _this3.emit.apply(_this3, [ev].concat(args)); + }); + } + /** + * Add the packet to the queue. + * @param args + * @private + */ + }, { + key: "_addToQueue", + value: function _addToQueue(args) { + var _this4 = this; + var ack; + if (typeof args[args.length - 1] === "function") { + ack = args.pop(); + } + var packet = { + id: this._queueSeq++, + tryCount: 0, + pending: false, + args: args, + flags: _extends({ + fromQueue: true + }, this.flags) + }; + args.push(function (err) { + if (packet !== _this4._queue[0]) { + // the packet has already been acknowledged + return; + } + var hasError = err !== null; + if (hasError) { + if (packet.tryCount > _this4._opts.retries) { + _this4._queue.shift(); + if (ack) { + ack(err); + } + } + } else { + _this4._queue.shift(); + if (ack) { + for (var _len5 = arguments.length, responseArgs = new Array(_len5 > 1 ? _len5 - 1 : 0), _key5 = 1; _key5 < _len5; _key5++) { + responseArgs[_key5 - 1] = arguments[_key5]; + } + ack.apply(void 0, [null].concat(responseArgs)); + } + } + packet.pending = false; + return _this4._drainQueue(); + }); + this._queue.push(packet); + this._drainQueue(); + } + /** + * Send the first packet of the queue, and wait for an acknowledgement from the server. + * @param force - whether to resend a packet that has not been acknowledged yet + * + * @private + */ + }, { + key: "_drainQueue", + value: function _drainQueue() { + var force = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false; + if (!this.connected || this._queue.length === 0) { + return; + } + var packet = this._queue[0]; + if (packet.pending && !force) { + return; + } + packet.pending = true; + packet.tryCount++; + this.flags = packet.flags; + this.emit.apply(this, packet.args); + } + /** + * Sends a packet. + * + * @param packet + * @private + */ + }, { + key: "packet", + value: function packet(_packet) { + _packet.nsp = this.nsp; + this.io._packet(_packet); + } + /** + * Called upon engine `open`. + * + * @private + */ + }, { + key: "onopen", + value: function onopen() { + var _this5 = this; + if (typeof this.auth == "function") { + this.auth(function (data) { + _this5._sendConnectPacket(data); + }); + } else { + this._sendConnectPacket(this.auth); + } + } + /** + * Sends a CONNECT packet to initiate the Socket.IO session. + * + * @param data + * @private + */ + }, { + key: "_sendConnectPacket", + value: function _sendConnectPacket(data) { + this.packet({ + type: PacketType.CONNECT, + data: this._pid ? _extends({ + pid: this._pid, + offset: this._lastOffset + }, data) : data + }); + } + /** + * Called upon engine or manager `error`. + * + * @param err + * @private + */ + }, { + key: "onerror", + value: function onerror(err) { + if (!this.connected) { + this.emitReserved("connect_error", err); + } + } + /** + * Called upon engine `close`. + * + * @param reason + * @param description + * @private + */ + }, { + key: "onclose", + value: function onclose(reason, description) { + this.connected = false; + delete this.id; + this.emitReserved("disconnect", reason, description); + } + /** + * Called with socket packet. + * + * @param packet + * @private + */ + }, { + key: "onpacket", + value: function onpacket(packet) { + var sameNamespace = packet.nsp === this.nsp; + if (!sameNamespace) return; + switch (packet.type) { + case PacketType.CONNECT: + if (packet.data && packet.data.sid) { + this.onconnect(packet.data.sid, packet.data.pid); + } else { + this.emitReserved("connect_error", new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)")); + } + break; + case PacketType.EVENT: + case PacketType.BINARY_EVENT: + this.onevent(packet); + break; + case PacketType.ACK: + case PacketType.BINARY_ACK: + this.onack(packet); + break; + case PacketType.DISCONNECT: + this.ondisconnect(); + break; + case PacketType.CONNECT_ERROR: + this.destroy(); + var err = new Error(packet.data.message); + // @ts-ignore + err.data = packet.data.data; + this.emitReserved("connect_error", err); + break; + } + } + /** + * Called upon a server event. + * + * @param packet + * @private + */ + }, { + key: "onevent", + value: function onevent(packet) { + var args = packet.data || []; + if (null != packet.id) { + args.push(this.ack(packet.id)); + } + if (this.connected) { + this.emitEvent(args); + } else { + this.receiveBuffer.push(Object.freeze(args)); + } + } + }, { + key: "emitEvent", + value: function emitEvent(args) { + if (this._anyListeners && this._anyListeners.length) { + var listeners = this._anyListeners.slice(); + var _iterator = _createForOfIteratorHelper(listeners), + _step; + try { + for (_iterator.s(); !(_step = _iterator.n()).done;) { + var listener = _step.value; + listener.apply(this, args); + } + } catch (err) { + _iterator.e(err); + } finally { + _iterator.f(); + } + } + _get(_getPrototypeOf(Socket.prototype), "emit", this).apply(this, args); + if (this._pid && args.length && typeof args[args.length - 1] === "string") { + this._lastOffset = args[args.length - 1]; + } + } + /** + * Produces an ack callback to emit with an event. + * + * @private + */ + }, { + key: "ack", + value: function ack(id) { + var self = this; + var sent = false; + return function () { + // prevent double callbacks + if (sent) return; + sent = true; + for (var _len6 = arguments.length, args = new Array(_len6), _key6 = 0; _key6 < _len6; _key6++) { + args[_key6] = arguments[_key6]; + } + self.packet({ + type: PacketType.ACK, + id: id, + data: args + }); + }; + } + /** + * Called upon a server acknowlegement. + * + * @param packet + * @private + */ + }, { + key: "onack", + value: function onack(packet) { + var ack = this.acks[packet.id]; + if ("function" === typeof ack) { + ack.apply(this, packet.data); + delete this.acks[packet.id]; + } + } + /** + * Called upon server connect. + * + * @private + */ + }, { + key: "onconnect", + value: function onconnect(id, pid) { + this.id = id; + this.recovered = pid && this._pid === pid; + this._pid = pid; // defined only if connection state recovery is enabled + this.connected = true; + this.emitBuffered(); + this.emitReserved("connect"); + this._drainQueue(true); + } + /** + * Emit buffered events (received and emitted). + * + * @private + */ + }, { + key: "emitBuffered", + value: function emitBuffered() { + var _this6 = this; + this.receiveBuffer.forEach(function (args) { + return _this6.emitEvent(args); + }); + this.receiveBuffer = []; + this.sendBuffer.forEach(function (packet) { + _this6.notifyOutgoingListeners(packet); + _this6.packet(packet); + }); + this.sendBuffer = []; + } + /** + * Called upon server disconnect. + * + * @private + */ + }, { + key: "ondisconnect", + value: function ondisconnect() { + this.destroy(); + this.onclose("io server disconnect"); + } + /** + * Called upon forced client/server side disconnections, + * this method ensures the manager stops tracking us and + * that reconnections don't get triggered for this. + * + * @private + */ + }, { + key: "destroy", + value: function destroy() { + if (this.subs) { + // clean subscriptions to avoid reconnections + this.subs.forEach(function (subDestroy) { + return subDestroy(); + }); + this.subs = undefined; + } + this.io["_destroy"](this); + } + /** + * Disconnects the socket manually. In that case, the socket will not try to reconnect. + * + * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed. + * + * @example + * const socket = io(); + * + * socket.on("disconnect", (reason) => { + * // console.log(reason); prints "io client disconnect" + * }); + * + * socket.disconnect(); + * + * @return self + */ + }, { + key: "disconnect", + value: function disconnect() { + if (this.connected) { + this.packet({ + type: PacketType.DISCONNECT + }); + } + // remove socket from pool + this.destroy(); + if (this.connected) { + // fire events + this.onclose("io client disconnect"); + } + return this; + } + /** + * Alias for {@link disconnect()}. + * + * @return self + */ + }, { + key: "close", + value: function close() { + return this.disconnect(); + } + /** + * Sets the compress flag. + * + * @example + * socket.compress(false).emit("hello"); + * + * @param compress - if `true`, compresses the sending data + * @return self + */ + }, { + key: "compress", + value: function compress(_compress) { + this.flags.compress = _compress; + return this; + } + /** + * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not + * ready to send messages. + * + * @example + * socket.volatile.emit("hello"); // the server may or may not receive it + * + * @returns self + */ + }, { + key: "volatile", + get: function get() { + this.flags["volatile"] = true; + return this; + } + /** + * Sets a modifier for a subsequent event emission that the callback will be called with an error when the + * given number of milliseconds have elapsed without an acknowledgement from the server: + * + * @example + * socket.timeout(5000).emit("my-event", (err) => { + * if (err) { + * // the server did not acknowledge the event in the given delay + * } + * }); + * + * @returns self + */ + }, { + key: "timeout", + value: function timeout(_timeout) { + this.flags.timeout = _timeout; + return this; + } + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. + * + * @example + * socket.onAny((event, ...args) => { + * console.log(`got ${event}`); + * }); + * + * @param listener + */ + }, { + key: "onAny", + value: function onAny(listener) { + this._anyListeners = this._anyListeners || []; + this._anyListeners.push(listener); + return this; + } + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. The listener is added to the beginning of the listeners array. + * + * @example + * socket.prependAny((event, ...args) => { + * console.log(`got event ${event}`); + * }); + * + * @param listener + */ + }, { + key: "prependAny", + value: function prependAny(listener) { + this._anyListeners = this._anyListeners || []; + this._anyListeners.unshift(listener); + return this; + } + /** + * Removes the listener that will be fired when any event is emitted. + * + * @example + * const catchAllListener = (event, ...args) => { + * console.log(`got event ${event}`); + * } + * + * socket.onAny(catchAllListener); + * + * // remove a specific listener + * socket.offAny(catchAllListener); + * + * // or remove all listeners + * socket.offAny(); + * + * @param listener + */ + }, { + key: "offAny", + value: function offAny(listener) { + if (!this._anyListeners) { + return this; + } + if (listener) { + var listeners = this._anyListeners; + for (var i = 0; i < listeners.length; i++) { + if (listener === listeners[i]) { + listeners.splice(i, 1); + return this; + } + } + } else { + this._anyListeners = []; + } + return this; + } + /** + * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, + * e.g. to remove listeners. + */ + }, { + key: "listenersAny", + value: function listenersAny() { + return this._anyListeners || []; + } + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. + * + * Note: acknowledgements sent to the server are not included. + * + * @example + * socket.onAnyOutgoing((event, ...args) => { + * console.log(`sent event ${event}`); + * }); + * + * @param listener + */ + }, { + key: "onAnyOutgoing", + value: function onAnyOutgoing(listener) { + this._anyOutgoingListeners = this._anyOutgoingListeners || []; + this._anyOutgoingListeners.push(listener); + return this; + } + /** + * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the + * callback. The listener is added to the beginning of the listeners array. + * + * Note: acknowledgements sent to the server are not included. + * + * @example + * socket.prependAnyOutgoing((event, ...args) => { + * console.log(`sent event ${event}`); + * }); + * + * @param listener + */ + }, { + key: "prependAnyOutgoing", + value: function prependAnyOutgoing(listener) { + this._anyOutgoingListeners = this._anyOutgoingListeners || []; + this._anyOutgoingListeners.unshift(listener); + return this; + } + /** + * Removes the listener that will be fired when any event is emitted. + * + * @example + * const catchAllListener = (event, ...args) => { + * console.log(`sent event ${event}`); + * } + * + * socket.onAnyOutgoing(catchAllListener); + * + * // remove a specific listener + * socket.offAnyOutgoing(catchAllListener); + * + * // or remove all listeners + * socket.offAnyOutgoing(); + * + * @param [listener] - the catch-all listener (optional) + */ + }, { + key: "offAnyOutgoing", + value: function offAnyOutgoing(listener) { + if (!this._anyOutgoingListeners) { + return this; + } + if (listener) { + var listeners = this._anyOutgoingListeners; + for (var i = 0; i < listeners.length; i++) { + if (listener === listeners[i]) { + listeners.splice(i, 1); + return this; + } + } + } else { + this._anyOutgoingListeners = []; + } + return this; + } + /** + * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, + * e.g. to remove listeners. + */ + }, { + key: "listenersAnyOutgoing", + value: function listenersAnyOutgoing() { + return this._anyOutgoingListeners || []; + } + /** + * Notify the listeners for each packet sent + * + * @param packet + * + * @private + */ + }, { + key: "notifyOutgoingListeners", + value: function notifyOutgoingListeners(packet) { + if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) { + var listeners = this._anyOutgoingListeners.slice(); + var _iterator2 = _createForOfIteratorHelper(listeners), + _step2; + try { + for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) { + var listener = _step2.value; + listener.apply(this, packet.data); + } + } catch (err) { + _iterator2.e(err); + } finally { + _iterator2.f(); + } + } + } + }]); + return Socket; + }(Emitter); + + /** + * Initialize backoff timer with `opts`. + * + * - `min` initial timeout in milliseconds [100] + * - `max` max timeout [10000] + * - `jitter` [0] + * - `factor` [2] + * + * @param {Object} opts + * @api public + */ + function Backoff(opts) { + opts = opts || {}; + this.ms = opts.min || 100; + this.max = opts.max || 10000; + this.factor = opts.factor || 2; + this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0; + this.attempts = 0; + } + /** + * Return the backoff duration. + * + * @return {Number} + * @api public + */ + Backoff.prototype.duration = function () { + var ms = this.ms * Math.pow(this.factor, this.attempts++); + if (this.jitter) { + var rand = Math.random(); + var deviation = Math.floor(rand * this.jitter * ms); + ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation; + } + return Math.min(ms, this.max) | 0; + }; + /** + * Reset the number of attempts. + * + * @api public + */ + Backoff.prototype.reset = function () { + this.attempts = 0; + }; + /** + * Set the minimum duration + * + * @api public + */ + Backoff.prototype.setMin = function (min) { + this.ms = min; + }; + /** + * Set the maximum duration + * + * @api public + */ + Backoff.prototype.setMax = function (max) { + this.max = max; + }; + /** + * Set the jitter + * + * @api public + */ + Backoff.prototype.setJitter = function (jitter) { + this.jitter = jitter; + }; + + var Manager = /*#__PURE__*/function (_Emitter) { + _inherits(Manager, _Emitter); + var _super = _createSuper(Manager); + function Manager(uri, opts) { + var _this; + _classCallCheck(this, Manager); + var _a; + _this = _super.call(this); + _this.nsps = {}; + _this.subs = []; + if (uri && "object" === _typeof(uri)) { + opts = uri; + uri = undefined; + } + opts = opts || {}; + opts.path = opts.path || "/socket.io"; + _this.opts = opts; + installTimerFunctions(_assertThisInitialized(_this), opts); + _this.reconnection(opts.reconnection !== false); + _this.reconnectionAttempts(opts.reconnectionAttempts || Infinity); + _this.reconnectionDelay(opts.reconnectionDelay || 1000); + _this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000); + _this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5); + _this.backoff = new Backoff({ + min: _this.reconnectionDelay(), + max: _this.reconnectionDelayMax(), + jitter: _this.randomizationFactor() + }); + _this.timeout(null == opts.timeout ? 20000 : opts.timeout); + _this._readyState = "closed"; + _this.uri = uri; + var _parser = opts.parser || parser; + _this.encoder = new _parser.Encoder(); + _this.decoder = new _parser.Decoder(); + _this._autoConnect = opts.autoConnect !== false; + if (_this._autoConnect) _this.open(); + return _this; + } + _createClass(Manager, [{ + key: "reconnection", + value: function reconnection(v) { + if (!arguments.length) return this._reconnection; + this._reconnection = !!v; + return this; + } + }, { + key: "reconnectionAttempts", + value: function reconnectionAttempts(v) { + if (v === undefined) return this._reconnectionAttempts; + this._reconnectionAttempts = v; + return this; + } + }, { + key: "reconnectionDelay", + value: function reconnectionDelay(v) { + var _a; + if (v === undefined) return this._reconnectionDelay; + this._reconnectionDelay = v; + (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v); + return this; + } + }, { + key: "randomizationFactor", + value: function randomizationFactor(v) { + var _a; + if (v === undefined) return this._randomizationFactor; + this._randomizationFactor = v; + (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v); + return this; + } + }, { + key: "reconnectionDelayMax", + value: function reconnectionDelayMax(v) { + var _a; + if (v === undefined) return this._reconnectionDelayMax; + this._reconnectionDelayMax = v; + (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v); + return this; + } + }, { + key: "timeout", + value: function timeout(v) { + if (!arguments.length) return this._timeout; + this._timeout = v; + return this; + } + /** + * Starts trying to reconnect if reconnection is enabled and we have not + * started reconnecting yet + * + * @private + */ + }, { + key: "maybeReconnectOnOpen", + value: function maybeReconnectOnOpen() { + // Only try to reconnect if it's the first time we're connecting + if (!this._reconnecting && this._reconnection && this.backoff.attempts === 0) { + // keeps reconnection from firing twice for the same reconnection loop + this.reconnect(); + } + } + /** + * Sets the current transport `socket`. + * + * @param {Function} fn - optional, callback + * @return self + * @public + */ + }, { + key: "open", + value: function open(fn) { + var _this2 = this; + if (~this._readyState.indexOf("open")) return this; + this.engine = new Socket$1(this.uri, this.opts); + var socket = this.engine; + var self = this; + this._readyState = "opening"; + this.skipReconnect = false; + // emit `open` + var openSubDestroy = on(socket, "open", function () { + self.onopen(); + fn && fn(); + }); + var onError = function onError(err) { + _this2.cleanup(); + _this2._readyState = "closed"; + _this2.emitReserved("error", err); + if (fn) { + fn(err); + } else { + // Only do this if there is no fn to handle the error + _this2.maybeReconnectOnOpen(); + } + }; + // emit `error` + var errorSub = on(socket, "error", onError); + if (false !== this._timeout) { + var timeout = this._timeout; + // set timer + var timer = this.setTimeoutFn(function () { + openSubDestroy(); + onError(new Error("timeout")); + socket.close(); + }, timeout); + if (this.opts.autoUnref) { + timer.unref(); + } + this.subs.push(function () { + _this2.clearTimeoutFn(timer); + }); + } + this.subs.push(openSubDestroy); + this.subs.push(errorSub); + return this; + } + /** + * Alias for open() + * + * @return self + * @public + */ + }, { + key: "connect", + value: function connect(fn) { + return this.open(fn); + } + /** + * Called upon transport open. + * + * @private + */ + }, { + key: "onopen", + value: function onopen() { + // clear old subs + this.cleanup(); + // mark as open + this._readyState = "open"; + this.emitReserved("open"); + // add new subs + var socket = this.engine; + this.subs.push(on(socket, "ping", this.onping.bind(this)), on(socket, "data", this.ondata.bind(this)), on(socket, "error", this.onerror.bind(this)), on(socket, "close", this.onclose.bind(this)), on(this.decoder, "decoded", this.ondecoded.bind(this))); + } + /** + * Called upon a ping. + * + * @private + */ + }, { + key: "onping", + value: function onping() { + this.emitReserved("ping"); + } + /** + * Called with data. + * + * @private + */ + }, { + key: "ondata", + value: function ondata(data) { + try { + this.decoder.add(data); + } catch (e) { + this.onclose("parse error", e); + } + } + /** + * Called when parser fully decodes a packet. + * + * @private + */ + }, { + key: "ondecoded", + value: function ondecoded(packet) { + var _this3 = this; + // the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a "parse error" + nextTick(function () { + _this3.emitReserved("packet", packet); + }, this.setTimeoutFn); + } + /** + * Called upon socket error. + * + * @private + */ + }, { + key: "onerror", + value: function onerror(err) { + this.emitReserved("error", err); + } + /** + * Creates a new socket for the given `nsp`. + * + * @return {Socket} + * @public + */ + }, { + key: "socket", + value: function socket(nsp, opts) { + var socket = this.nsps[nsp]; + if (!socket) { + socket = new Socket(this, nsp, opts); + this.nsps[nsp] = socket; + } else if (this._autoConnect && !socket.active) { + socket.connect(); + } + return socket; + } + /** + * Called upon a socket close. + * + * @param socket + * @private + */ + }, { + key: "_destroy", + value: function _destroy(socket) { + var nsps = Object.keys(this.nsps); + for (var _i = 0, _nsps = nsps; _i < _nsps.length; _i++) { + var nsp = _nsps[_i]; + var _socket = this.nsps[nsp]; + if (_socket.active) { + return; + } + } + this._close(); + } + /** + * Writes a packet. + * + * @param packet + * @private + */ + }, { + key: "_packet", + value: function _packet(packet) { + var encodedPackets = this.encoder.encode(packet); + for (var i = 0; i < encodedPackets.length; i++) { + this.engine.write(encodedPackets[i], packet.options); + } + } + /** + * Clean up transport subscriptions and packet buffer. + * + * @private + */ + }, { + key: "cleanup", + value: function cleanup() { + this.subs.forEach(function (subDestroy) { + return subDestroy(); + }); + this.subs.length = 0; + this.decoder.destroy(); + } + /** + * Close the current socket. + * + * @private + */ + }, { + key: "_close", + value: function _close() { + this.skipReconnect = true; + this._reconnecting = false; + this.onclose("forced close"); + if (this.engine) this.engine.close(); + } + /** + * Alias for close() + * + * @private + */ + }, { + key: "disconnect", + value: function disconnect() { + return this._close(); + } + /** + * Called upon engine close. + * + * @private + */ + }, { + key: "onclose", + value: function onclose(reason, description) { + this.cleanup(); + this.backoff.reset(); + this._readyState = "closed"; + this.emitReserved("close", reason, description); + if (this._reconnection && !this.skipReconnect) { + this.reconnect(); + } + } + /** + * Attempt a reconnection. + * + * @private + */ + }, { + key: "reconnect", + value: function reconnect() { + var _this4 = this; + if (this._reconnecting || this.skipReconnect) return this; + var self = this; + if (this.backoff.attempts >= this._reconnectionAttempts) { + this.backoff.reset(); + this.emitReserved("reconnect_failed"); + this._reconnecting = false; + } else { + var delay = this.backoff.duration(); + this._reconnecting = true; + var timer = this.setTimeoutFn(function () { + if (self.skipReconnect) return; + _this4.emitReserved("reconnect_attempt", self.backoff.attempts); + // check again for the case socket closed in above events + if (self.skipReconnect) return; + self.open(function (err) { + if (err) { + self._reconnecting = false; + self.reconnect(); + _this4.emitReserved("reconnect_error", err); + } else { + self.onreconnect(); + } + }); + }, delay); + if (this.opts.autoUnref) { + timer.unref(); + } + this.subs.push(function () { + _this4.clearTimeoutFn(timer); + }); + } + } + /** + * Called upon successful reconnect. + * + * @private + */ + }, { + key: "onreconnect", + value: function onreconnect() { + var attempt = this.backoff.attempts; + this._reconnecting = false; + this.backoff.reset(); + this.emitReserved("reconnect", attempt); + } + }]); + return Manager; + }(Emitter); + + /** + * Managers cache. + */ + var cache = {}; + function lookup(uri, opts) { + if (_typeof(uri) === "object") { + opts = uri; + uri = undefined; + } + opts = opts || {}; + var parsed = url(uri, opts.path || "/socket.io"); + var source = parsed.source; + var id = parsed.id; + var path = parsed.path; + var sameNamespace = cache[id] && path in cache[id]["nsps"]; + var newConnection = opts.forceNew || opts["force new connection"] || false === opts.multiplex || sameNamespace; + var io; + if (newConnection) { + io = new Manager(source, opts); + } else { + if (!cache[id]) { + cache[id] = new Manager(source, opts); + } + io = cache[id]; + } + if (parsed.query && !opts.query) { + opts.query = parsed.queryKey; + } + return io.socket(parsed.path, opts); + } + // so that "lookup" can be used both as a function (e.g. `io(...)`) and as a + // namespace (e.g. `io.connect(...)`), for backward compatibility + _extends(lookup, { + Manager: Manager, + Socket: Socket, + io: lookup, + connect: lookup + }); + + return lookup; + +})); +//# sourceMappingURL=socket.io.js.map diff --git a/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.js.map b/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.js.map new file mode 100644 index 00000000..a8d418a0 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.js.map @@ -0,0 +1 @@ +{"version":3,"file":"socket.io.js","sources":["../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/commons.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/encodePacket.browser.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/decodePacket.browser.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/index.js","../node_modules/@socket.io/component-emitter/index.mjs","../node_modules/engine.io-client/build/esm/globalThis.browser.js","../node_modules/engine.io-client/build/esm/util.js","../node_modules/engine.io-client/build/esm/contrib/parseqs.js","../node_modules/engine.io-client/build/esm/transport.js","../node_modules/engine.io-client/build/esm/contrib/yeast.js","../node_modules/engine.io-client/build/esm/contrib/has-cors.js","../node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.js","../node_modules/engine.io-client/build/esm/transports/polling.js","../node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.js","../node_modules/engine.io-client/build/esm/transports/websocket.js","../node_modules/engine.io-client/build/esm/transports/webtransport.js","../node_modules/engine.io-client/build/esm/transports/index.js","../node_modules/engine.io-client/build/esm/contrib/parseuri.js","../node_modules/engine.io-client/build/esm/socket.js","../node_modules/engine.io-client/build/esm/index.js","../build/esm/url.js","../node_modules/socket.io-parser/build/esm/is-binary.js","../node_modules/socket.io-parser/build/esm/binary.js","../node_modules/socket.io-parser/build/esm/index.js","../build/esm/on.js","../build/esm/socket.js","../build/esm/contrib/backo2.js","../build/esm/manager.js","../build/esm/index.js"],"sourcesContent":["const PACKET_TYPES = Object.create(null); // no Map = no polyfill\nPACKET_TYPES[\"open\"] = \"0\";\nPACKET_TYPES[\"close\"] = \"1\";\nPACKET_TYPES[\"ping\"] = \"2\";\nPACKET_TYPES[\"pong\"] = \"3\";\nPACKET_TYPES[\"message\"] = \"4\";\nPACKET_TYPES[\"upgrade\"] = \"5\";\nPACKET_TYPES[\"noop\"] = \"6\";\nconst PACKET_TYPES_REVERSE = Object.create(null);\nObject.keys(PACKET_TYPES).forEach(key => {\n PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;\n});\nconst ERROR_PACKET = { type: \"error\", data: \"parser error\" };\nexport { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET };\n","import { PACKET_TYPES } from \"./commons.js\";\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n Object.prototype.toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\n// ArrayBuffer.isView method is not defined in IE10\nconst isView = obj => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj && obj.buffer instanceof ArrayBuffer;\n};\nconst encodePacket = ({ type, data }, supportsBinary, callback) => {\n if (withNativeBlob && data instanceof Blob) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(data, callback);\n }\n }\n else if (withNativeArrayBuffer &&\n (data instanceof ArrayBuffer || isView(data))) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(new Blob([data]), callback);\n }\n }\n // plain string\n return callback(PACKET_TYPES[type] + (data || \"\"));\n};\nconst encodeBlobAsBase64 = (data, callback) => {\n const fileReader = new FileReader();\n fileReader.onload = function () {\n const content = fileReader.result.split(\",\")[1];\n callback(\"b\" + (content || \"\"));\n };\n return fileReader.readAsDataURL(data);\n};\nfunction toArray(data) {\n if (data instanceof Uint8Array) {\n return data;\n }\n else if (data instanceof ArrayBuffer) {\n return new Uint8Array(data);\n }\n else {\n return new Uint8Array(data.buffer, data.byteOffset, data.byteLength);\n }\n}\nlet TEXT_ENCODER;\nexport function encodePacketToBinary(packet, callback) {\n if (withNativeBlob && packet.data instanceof Blob) {\n return packet.data\n .arrayBuffer()\n .then(toArray)\n .then(callback);\n }\n else if (withNativeArrayBuffer &&\n (packet.data instanceof ArrayBuffer || isView(packet.data))) {\n return callback(toArray(packet.data));\n }\n encodePacket(packet, false, encoded => {\n if (!TEXT_ENCODER) {\n TEXT_ENCODER = new TextEncoder();\n }\n callback(TEXT_ENCODER.encode(encoded));\n });\n}\nexport { encodePacket };\n","// imported from https://github.com/socketio/base64-arraybuffer\nconst chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\n// Use a lookup table to find the index.\nconst lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256);\nfor (let i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n}\nexport const encode = (arraybuffer) => {\n let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = '';\n for (i = 0; i < len; i += 3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n if (len % 3 === 2) {\n base64 = base64.substring(0, base64.length - 1) + '=';\n }\n else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + '==';\n }\n return base64;\n};\nexport const decode = (base64) => {\n let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;\n if (base64[base64.length - 1] === '=') {\n bufferLength--;\n if (base64[base64.length - 2] === '=') {\n bufferLength--;\n }\n }\n const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);\n for (i = 0; i < len; i += 4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i + 1)];\n encoded3 = lookup[base64.charCodeAt(i + 2)];\n encoded4 = lookup[base64.charCodeAt(i + 3)];\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n return arraybuffer;\n};\n","import { ERROR_PACKET, PACKET_TYPES_REVERSE } from \"./commons.js\";\nimport { decode } from \"./contrib/base64-arraybuffer.js\";\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nexport const decodePacket = (encodedPacket, binaryType) => {\n if (typeof encodedPacket !== \"string\") {\n return {\n type: \"message\",\n data: mapBinary(encodedPacket, binaryType)\n };\n }\n const type = encodedPacket.charAt(0);\n if (type === \"b\") {\n return {\n type: \"message\",\n data: decodeBase64Packet(encodedPacket.substring(1), binaryType)\n };\n }\n const packetType = PACKET_TYPES_REVERSE[type];\n if (!packetType) {\n return ERROR_PACKET;\n }\n return encodedPacket.length > 1\n ? {\n type: PACKET_TYPES_REVERSE[type],\n data: encodedPacket.substring(1)\n }\n : {\n type: PACKET_TYPES_REVERSE[type]\n };\n};\nconst decodeBase64Packet = (data, binaryType) => {\n if (withNativeArrayBuffer) {\n const decoded = decode(data);\n return mapBinary(decoded, binaryType);\n }\n else {\n return { base64: true, data }; // fallback for old browsers\n }\n};\nconst mapBinary = (data, binaryType) => {\n switch (binaryType) {\n case \"blob\":\n if (data instanceof Blob) {\n // from WebSocket + binaryType \"blob\"\n return data;\n }\n else {\n // from HTTP long-polling or WebTransport\n return new Blob([data]);\n }\n case \"arraybuffer\":\n default:\n if (data instanceof ArrayBuffer) {\n // from HTTP long-polling (base64) or WebSocket + binaryType \"arraybuffer\"\n return data;\n }\n else {\n // from WebTransport (Uint8Array)\n return data.buffer;\n }\n }\n};\n","import { encodePacket, encodePacketToBinary } from \"./encodePacket.js\";\nimport { decodePacket } from \"./decodePacket.js\";\nimport { ERROR_PACKET } from \"./commons.js\";\nconst SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text\nconst encodePayload = (packets, callback) => {\n // some packets may be added to the array while encoding, so the initial length must be saved\n const length = packets.length;\n const encodedPackets = new Array(length);\n let count = 0;\n packets.forEach((packet, i) => {\n // force base64 encoding for binary packets\n encodePacket(packet, false, encodedPacket => {\n encodedPackets[i] = encodedPacket;\n if (++count === length) {\n callback(encodedPackets.join(SEPARATOR));\n }\n });\n });\n};\nconst decodePayload = (encodedPayload, binaryType) => {\n const encodedPackets = encodedPayload.split(SEPARATOR);\n const packets = [];\n for (let i = 0; i < encodedPackets.length; i++) {\n const decodedPacket = decodePacket(encodedPackets[i], binaryType);\n packets.push(decodedPacket);\n if (decodedPacket.type === \"error\") {\n break;\n }\n }\n return packets;\n};\nexport function createPacketEncoderStream() {\n return new TransformStream({\n transform(packet, controller) {\n encodePacketToBinary(packet, encodedPacket => {\n const payloadLength = encodedPacket.length;\n let header;\n // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length\n if (payloadLength < 126) {\n header = new Uint8Array(1);\n new DataView(header.buffer).setUint8(0, payloadLength);\n }\n else if (payloadLength < 65536) {\n header = new Uint8Array(3);\n const view = new DataView(header.buffer);\n view.setUint8(0, 126);\n view.setUint16(1, payloadLength);\n }\n else {\n header = new Uint8Array(9);\n const view = new DataView(header.buffer);\n view.setUint8(0, 127);\n view.setBigUint64(1, BigInt(payloadLength));\n }\n // first bit indicates whether the payload is plain text (0) or binary (1)\n if (packet.data && typeof packet.data !== \"string\") {\n header[0] |= 0x80;\n }\n controller.enqueue(header);\n controller.enqueue(encodedPacket);\n });\n }\n });\n}\nlet TEXT_DECODER;\nfunction totalLength(chunks) {\n return chunks.reduce((acc, chunk) => acc + chunk.length, 0);\n}\nfunction concatChunks(chunks, size) {\n if (chunks[0].length === size) {\n return chunks.shift();\n }\n const buffer = new Uint8Array(size);\n let j = 0;\n for (let i = 0; i < size; i++) {\n buffer[i] = chunks[0][j++];\n if (j === chunks[0].length) {\n chunks.shift();\n j = 0;\n }\n }\n if (chunks.length && j < chunks[0].length) {\n chunks[0] = chunks[0].slice(j);\n }\n return buffer;\n}\nexport function createPacketDecoderStream(maxPayload, binaryType) {\n if (!TEXT_DECODER) {\n TEXT_DECODER = new TextDecoder();\n }\n const chunks = [];\n let state = 0 /* READ_HEADER */;\n let expectedLength = -1;\n let isBinary = false;\n return new TransformStream({\n transform(chunk, controller) {\n chunks.push(chunk);\n while (true) {\n if (state === 0 /* READ_HEADER */) {\n if (totalLength(chunks) < 1) {\n break;\n }\n const header = concatChunks(chunks, 1);\n isBinary = (header[0] & 0x80) === 0x80;\n expectedLength = header[0] & 0x7f;\n if (expectedLength < 126) {\n state = 3 /* READ_PAYLOAD */;\n }\n else if (expectedLength === 126) {\n state = 1 /* READ_EXTENDED_LENGTH_16 */;\n }\n else {\n state = 2 /* READ_EXTENDED_LENGTH_64 */;\n }\n }\n else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) {\n if (totalLength(chunks) < 2) {\n break;\n }\n const headerArray = concatChunks(chunks, 2);\n expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0);\n state = 3 /* READ_PAYLOAD */;\n }\n else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) {\n if (totalLength(chunks) < 8) {\n break;\n }\n const headerArray = concatChunks(chunks, 8);\n const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length);\n const n = view.getUint32(0);\n if (n > Math.pow(2, 53 - 32) - 1) {\n // the maximum safe integer in JavaScript is 2^53 - 1\n controller.enqueue(ERROR_PACKET);\n break;\n }\n expectedLength = n * Math.pow(2, 32) + view.getUint32(4);\n state = 3 /* READ_PAYLOAD */;\n }\n else {\n if (totalLength(chunks) < expectedLength) {\n break;\n }\n const data = concatChunks(chunks, expectedLength);\n controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType));\n state = 0 /* READ_HEADER */;\n }\n if (expectedLength === 0 || expectedLength > maxPayload) {\n controller.enqueue(ERROR_PACKET);\n break;\n }\n }\n }\n });\n}\nexport const protocol = 4;\nexport { encodePacket, encodePayload, decodePacket, decodePayload };\n","/**\n * Initialize a new `Emitter`.\n *\n * @api public\n */\n\nexport function Emitter(obj) {\n if (obj) return mixin(obj);\n}\n\n/**\n * Mixin the emitter properties.\n *\n * @param {Object} obj\n * @return {Object}\n * @api private\n */\n\nfunction mixin(obj) {\n for (var key in Emitter.prototype) {\n obj[key] = Emitter.prototype[key];\n }\n return obj;\n}\n\n/**\n * Listen on the given `event` with `fn`.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.on =\nEmitter.prototype.addEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\n .push(fn);\n return this;\n};\n\n/**\n * Adds an `event` listener that will be invoked a single\n * time then automatically removed.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.once = function(event, fn){\n function on() {\n this.off(event, on);\n fn.apply(this, arguments);\n }\n\n on.fn = fn;\n this.on(event, on);\n return this;\n};\n\n/**\n * Remove the given callback for `event` or all\n * registered callbacks.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.off =\nEmitter.prototype.removeListener =\nEmitter.prototype.removeAllListeners =\nEmitter.prototype.removeEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n\n // all\n if (0 == arguments.length) {\n this._callbacks = {};\n return this;\n }\n\n // specific event\n var callbacks = this._callbacks['$' + event];\n if (!callbacks) return this;\n\n // remove all handlers\n if (1 == arguments.length) {\n delete this._callbacks['$' + event];\n return this;\n }\n\n // remove specific handler\n var cb;\n for (var i = 0; i < callbacks.length; i++) {\n cb = callbacks[i];\n if (cb === fn || cb.fn === fn) {\n callbacks.splice(i, 1);\n break;\n }\n }\n\n // Remove event specific arrays for event types that no\n // one is subscribed for to avoid memory leak.\n if (callbacks.length === 0) {\n delete this._callbacks['$' + event];\n }\n\n return this;\n};\n\n/**\n * Emit `event` with the given args.\n *\n * @param {String} event\n * @param {Mixed} ...\n * @return {Emitter}\n */\n\nEmitter.prototype.emit = function(event){\n this._callbacks = this._callbacks || {};\n\n var args = new Array(arguments.length - 1)\n , callbacks = this._callbacks['$' + event];\n\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n\n if (callbacks) {\n callbacks = callbacks.slice(0);\n for (var i = 0, len = callbacks.length; i < len; ++i) {\n callbacks[i].apply(this, args);\n }\n }\n\n return this;\n};\n\n// alias used for reserved events (protected method)\nEmitter.prototype.emitReserved = Emitter.prototype.emit;\n\n/**\n * Return array of callbacks for `event`.\n *\n * @param {String} event\n * @return {Array}\n * @api public\n */\n\nEmitter.prototype.listeners = function(event){\n this._callbacks = this._callbacks || {};\n return this._callbacks['$' + event] || [];\n};\n\n/**\n * Check if this emitter has `event` handlers.\n *\n * @param {String} event\n * @return {Boolean}\n * @api public\n */\n\nEmitter.prototype.hasListeners = function(event){\n return !! this.listeners(event).length;\n};\n","export const globalThisShim = (() => {\n if (typeof self !== \"undefined\") {\n return self;\n }\n else if (typeof window !== \"undefined\") {\n return window;\n }\n else {\n return Function(\"return this\")();\n }\n})();\n","import { globalThisShim as globalThis } from \"./globalThis.js\";\nexport function pick(obj, ...attr) {\n return attr.reduce((acc, k) => {\n if (obj.hasOwnProperty(k)) {\n acc[k] = obj[k];\n }\n return acc;\n }, {});\n}\n// Keep a reference to the real timeout functions so they can be used when overridden\nconst NATIVE_SET_TIMEOUT = globalThis.setTimeout;\nconst NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout;\nexport function installTimerFunctions(obj, opts) {\n if (opts.useNativeTimers) {\n obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis);\n obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis);\n }\n else {\n obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis);\n obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis);\n }\n}\n// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64)\nconst BASE64_OVERHEAD = 1.33;\n// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9\nexport function byteLength(obj) {\n if (typeof obj === \"string\") {\n return utf8Length(obj);\n }\n // arraybuffer or blob\n return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD);\n}\nfunction utf8Length(str) {\n let c = 0, length = 0;\n for (let i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n length += 1;\n }\n else if (c < 0x800) {\n length += 2;\n }\n else if (c < 0xd800 || c >= 0xe000) {\n length += 3;\n }\n else {\n i++;\n length += 4;\n }\n }\n return length;\n}\n","// imported from https://github.com/galkn/querystring\n/**\n * Compiles a querystring\n * Returns string representation of the object\n *\n * @param {Object}\n * @api private\n */\nexport function encode(obj) {\n let str = '';\n for (let i in obj) {\n if (obj.hasOwnProperty(i)) {\n if (str.length)\n str += '&';\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\n }\n }\n return str;\n}\n/**\n * Parses a simple querystring into an object\n *\n * @param {String} qs\n * @api private\n */\nexport function decode(qs) {\n let qry = {};\n let pairs = qs.split('&');\n for (let i = 0, l = pairs.length; i < l; i++) {\n let pair = pairs[i].split('=');\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n }\n return qry;\n}\n","import { decodePacket } from \"engine.io-parser\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions } from \"./util.js\";\nimport { encode } from \"./contrib/parseqs.js\";\nclass TransportError extends Error {\n constructor(reason, description, context) {\n super(reason);\n this.description = description;\n this.context = context;\n this.type = \"TransportError\";\n }\n}\nexport class Transport extends Emitter {\n /**\n * Transport abstract constructor.\n *\n * @param {Object} opts - options\n * @protected\n */\n constructor(opts) {\n super();\n this.writable = false;\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.query = opts.query;\n this.socket = opts.socket;\n }\n /**\n * Emits an error.\n *\n * @param {String} reason\n * @param description\n * @param context - the error context\n * @return {Transport} for chaining\n * @protected\n */\n onError(reason, description, context) {\n super.emitReserved(\"error\", new TransportError(reason, description, context));\n return this;\n }\n /**\n * Opens the transport.\n */\n open() {\n this.readyState = \"opening\";\n this.doOpen();\n return this;\n }\n /**\n * Closes the transport.\n */\n close() {\n if (this.readyState === \"opening\" || this.readyState === \"open\") {\n this.doClose();\n this.onClose();\n }\n return this;\n }\n /**\n * Sends multiple packets.\n *\n * @param {Array} packets\n */\n send(packets) {\n if (this.readyState === \"open\") {\n this.write(packets);\n }\n else {\n // this might happen if the transport was silently closed in the beforeunload event handler\n }\n }\n /**\n * Called upon open\n *\n * @protected\n */\n onOpen() {\n this.readyState = \"open\";\n this.writable = true;\n super.emitReserved(\"open\");\n }\n /**\n * Called with data.\n *\n * @param {String} data\n * @protected\n */\n onData(data) {\n const packet = decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n }\n /**\n * Called with a decoded packet.\n *\n * @protected\n */\n onPacket(packet) {\n super.emitReserved(\"packet\", packet);\n }\n /**\n * Called upon close.\n *\n * @protected\n */\n onClose(details) {\n this.readyState = \"closed\";\n super.emitReserved(\"close\", details);\n }\n /**\n * Pauses the transport, in order not to lose packets during an upgrade.\n *\n * @param onPause\n */\n pause(onPause) { }\n createUri(schema, query = {}) {\n return (schema +\n \"://\" +\n this._hostname() +\n this._port() +\n this.opts.path +\n this._query(query));\n }\n _hostname() {\n const hostname = this.opts.hostname;\n return hostname.indexOf(\":\") === -1 ? hostname : \"[\" + hostname + \"]\";\n }\n _port() {\n if (this.opts.port &&\n ((this.opts.secure && Number(this.opts.port !== 443)) ||\n (!this.opts.secure && Number(this.opts.port) !== 80))) {\n return \":\" + this.opts.port;\n }\n else {\n return \"\";\n }\n }\n _query(query) {\n const encodedQuery = encode(query);\n return encodedQuery.length ? \"?\" + encodedQuery : \"\";\n }\n}\n","// imported from https://github.com/unshiftio/yeast\n'use strict';\nconst alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {};\nlet seed = 0, i = 0, prev;\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nexport function encode(num) {\n let encoded = '';\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n return encoded;\n}\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nexport function decode(str) {\n let decoded = 0;\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n return decoded;\n}\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nexport function yeast() {\n const now = encode(+new Date());\n if (now !== prev)\n return seed = 0, prev = now;\n return now + '.' + encode(seed++);\n}\n//\n// Map each character to its index.\n//\nfor (; i < length; i++)\n map[alphabet[i]] = i;\n","// imported from https://github.com/component/has-cors\nlet value = false;\ntry {\n value = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n}\ncatch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n}\nexport const hasCORS = value;\n","// browser shim for xmlhttprequest module\nimport { hasCORS } from \"../contrib/has-cors.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nexport function XHR(opts) {\n const xdomain = opts.xdomain;\n // XMLHttpRequest can be disabled on IE\n try {\n if (\"undefined\" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n }\n catch (e) { }\n if (!xdomain) {\n try {\n return new globalThis[[\"Active\"].concat(\"Object\").join(\"X\")](\"Microsoft.XMLHTTP\");\n }\n catch (e) { }\n }\n}\nexport function createCookieJar() { }\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { encodePayload, decodePayload } from \"engine.io-parser\";\nimport { createCookieJar, XHR as XMLHttpRequest, } from \"./xmlhttprequest.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions, pick } from \"../util.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nfunction empty() { }\nconst hasXHR2 = (function () {\n const xhr = new XMLHttpRequest({\n xdomain: false,\n });\n return null != xhr.responseType;\n})();\nexport class Polling extends Transport {\n /**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @package\n */\n constructor(opts) {\n super(opts);\n this.polling = false;\n if (typeof location !== \"undefined\") {\n const isSSL = \"https:\" === location.protocol;\n let port = location.port;\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? \"443\" : \"80\";\n }\n this.xd =\n (typeof location !== \"undefined\" &&\n opts.hostname !== location.hostname) ||\n port !== opts.port;\n }\n /**\n * XHR supports binary\n */\n const forceBase64 = opts && opts.forceBase64;\n this.supportsBinary = hasXHR2 && !forceBase64;\n if (this.opts.withCredentials) {\n this.cookieJar = createCookieJar();\n }\n }\n get name() {\n return \"polling\";\n }\n /**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @protected\n */\n doOpen() {\n this.poll();\n }\n /**\n * Pauses polling.\n *\n * @param {Function} onPause - callback upon buffers are flushed and transport is paused\n * @package\n */\n pause(onPause) {\n this.readyState = \"pausing\";\n const pause = () => {\n this.readyState = \"paused\";\n onPause();\n };\n if (this.polling || !this.writable) {\n let total = 0;\n if (this.polling) {\n total++;\n this.once(\"pollComplete\", function () {\n --total || pause();\n });\n }\n if (!this.writable) {\n total++;\n this.once(\"drain\", function () {\n --total || pause();\n });\n }\n }\n else {\n pause();\n }\n }\n /**\n * Starts polling cycle.\n *\n * @private\n */\n poll() {\n this.polling = true;\n this.doPoll();\n this.emitReserved(\"poll\");\n }\n /**\n * Overloads onData to detect payloads.\n *\n * @protected\n */\n onData(data) {\n const callback = (packet) => {\n // if its the first message we consider the transport open\n if (\"opening\" === this.readyState && packet.type === \"open\") {\n this.onOpen();\n }\n // if its a close packet, we close the ongoing requests\n if (\"close\" === packet.type) {\n this.onClose({ description: \"transport closed by the server\" });\n return false;\n }\n // otherwise bypass onData and handle the message\n this.onPacket(packet);\n };\n // decode payload\n decodePayload(data, this.socket.binaryType).forEach(callback);\n // if an event did not trigger closing\n if (\"closed\" !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emitReserved(\"pollComplete\");\n if (\"open\" === this.readyState) {\n this.poll();\n }\n else {\n }\n }\n }\n /**\n * For polling, send a close packet.\n *\n * @protected\n */\n doClose() {\n const close = () => {\n this.write([{ type: \"close\" }]);\n };\n if (\"open\" === this.readyState) {\n close();\n }\n else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n this.once(\"open\", close);\n }\n }\n /**\n * Writes a packets payload.\n *\n * @param {Array} packets - data packets\n * @protected\n */\n write(packets) {\n this.writable = false;\n encodePayload(packets, (data) => {\n this.doWrite(data, () => {\n this.writable = true;\n this.emitReserved(\"drain\");\n });\n });\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"https\" : \"http\";\n const query = this.query || {};\n // cache busting is forced\n if (false !== this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Creates a request.\n *\n * @param {String} method\n * @private\n */\n request(opts = {}) {\n Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts);\n return new Request(this.uri(), opts);\n }\n /**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @private\n */\n doWrite(data, fn) {\n const req = this.request({\n method: \"POST\",\n data: data,\n });\n req.on(\"success\", fn);\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr post error\", xhrStatus, context);\n });\n }\n /**\n * Starts a poll cycle.\n *\n * @private\n */\n doPoll() {\n const req = this.request();\n req.on(\"data\", this.onData.bind(this));\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr poll error\", xhrStatus, context);\n });\n this.pollXhr = req;\n }\n}\nexport class Request extends Emitter {\n /**\n * Request constructor\n *\n * @param {Object} options\n * @package\n */\n constructor(uri, opts) {\n super();\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.method = opts.method || \"GET\";\n this.uri = uri;\n this.data = undefined !== opts.data ? opts.data : null;\n this.create();\n }\n /**\n * Creates the XHR object and sends the request.\n *\n * @private\n */\n create() {\n var _a;\n const opts = pick(this.opts, \"agent\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"autoUnref\");\n opts.xdomain = !!this.opts.xd;\n const xhr = (this.xhr = new XMLHttpRequest(opts));\n try {\n xhr.open(this.method, this.uri, true);\n try {\n if (this.opts.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (let i in this.opts.extraHeaders) {\n if (this.opts.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.opts.extraHeaders[i]);\n }\n }\n }\n }\n catch (e) { }\n if (\"POST\" === this.method) {\n try {\n xhr.setRequestHeader(\"Content-type\", \"text/plain;charset=UTF-8\");\n }\n catch (e) { }\n }\n try {\n xhr.setRequestHeader(\"Accept\", \"*/*\");\n }\n catch (e) { }\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr);\n // ie6 check\n if (\"withCredentials\" in xhr) {\n xhr.withCredentials = this.opts.withCredentials;\n }\n if (this.opts.requestTimeout) {\n xhr.timeout = this.opts.requestTimeout;\n }\n xhr.onreadystatechange = () => {\n var _a;\n if (xhr.readyState === 3) {\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr);\n }\n if (4 !== xhr.readyState)\n return;\n if (200 === xhr.status || 1223 === xhr.status) {\n this.onLoad();\n }\n else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n this.setTimeoutFn(() => {\n this.onError(typeof xhr.status === \"number\" ? xhr.status : 0);\n }, 0);\n }\n };\n xhr.send(this.data);\n }\n catch (e) {\n // Need to defer since .create() is called directly from the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n this.setTimeoutFn(() => {\n this.onError(e);\n }, 0);\n return;\n }\n if (typeof document !== \"undefined\") {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n }\n /**\n * Called upon error.\n *\n * @private\n */\n onError(err) {\n this.emitReserved(\"error\", err, this.xhr);\n this.cleanup(true);\n }\n /**\n * Cleans up house.\n *\n * @private\n */\n cleanup(fromError) {\n if (\"undefined\" === typeof this.xhr || null === this.xhr) {\n return;\n }\n this.xhr.onreadystatechange = empty;\n if (fromError) {\n try {\n this.xhr.abort();\n }\n catch (e) { }\n }\n if (typeof document !== \"undefined\") {\n delete Request.requests[this.index];\n }\n this.xhr = null;\n }\n /**\n * Called upon load.\n *\n * @private\n */\n onLoad() {\n const data = this.xhr.responseText;\n if (data !== null) {\n this.emitReserved(\"data\", data);\n this.emitReserved(\"success\");\n this.cleanup();\n }\n }\n /**\n * Aborts the request.\n *\n * @package\n */\n abort() {\n this.cleanup();\n }\n}\nRequest.requestsCount = 0;\nRequest.requests = {};\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\nif (typeof document !== \"undefined\") {\n // @ts-ignore\n if (typeof attachEvent === \"function\") {\n // @ts-ignore\n attachEvent(\"onunload\", unloadHandler);\n }\n else if (typeof addEventListener === \"function\") {\n const terminationEvent = \"onpagehide\" in globalThis ? \"pagehide\" : \"unload\";\n addEventListener(terminationEvent, unloadHandler, false);\n }\n}\nfunction unloadHandler() {\n for (let i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n","import { globalThisShim as globalThis } from \"../globalThis.js\";\nexport const nextTick = (() => {\n const isPromiseAvailable = typeof Promise === \"function\" && typeof Promise.resolve === \"function\";\n if (isPromiseAvailable) {\n return (cb) => Promise.resolve().then(cb);\n }\n else {\n return (cb, setTimeoutFn) => setTimeoutFn(cb, 0);\n }\n})();\nexport const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket;\nexport const usingBrowserWebSocket = true;\nexport const defaultBinaryType = \"arraybuffer\";\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { pick } from \"../util.js\";\nimport { nextTick, usingBrowserWebSocket, WebSocket, } from \"./websocket-constructor.js\";\nimport { encodePacket } from \"engine.io-parser\";\n// detect ReactNative environment\nconst isReactNative = typeof navigator !== \"undefined\" &&\n typeof navigator.product === \"string\" &&\n navigator.product.toLowerCase() === \"reactnative\";\nexport class WS extends Transport {\n /**\n * WebSocket transport constructor.\n *\n * @param {Object} opts - connection options\n * @protected\n */\n constructor(opts) {\n super(opts);\n this.supportsBinary = !opts.forceBase64;\n }\n get name() {\n return \"websocket\";\n }\n doOpen() {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n const uri = this.uri();\n const protocols = this.opts.protocols;\n // React Native only supports the 'headers' option, and will print a warning if anything else is passed\n const opts = isReactNative\n ? {}\n : pick(this.opts, \"agent\", \"perMessageDeflate\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"localAddress\", \"protocolVersion\", \"origin\", \"maxPayload\", \"family\", \"checkServerIdentity\");\n if (this.opts.extraHeaders) {\n opts.headers = this.opts.extraHeaders;\n }\n try {\n this.ws =\n usingBrowserWebSocket && !isReactNative\n ? protocols\n ? new WebSocket(uri, protocols)\n : new WebSocket(uri)\n : new WebSocket(uri, protocols, opts);\n }\n catch (err) {\n return this.emitReserved(\"error\", err);\n }\n this.ws.binaryType = this.socket.binaryType;\n this.addEventListeners();\n }\n /**\n * Adds event listeners to the socket\n *\n * @private\n */\n addEventListeners() {\n this.ws.onopen = () => {\n if (this.opts.autoUnref) {\n this.ws._socket.unref();\n }\n this.onOpen();\n };\n this.ws.onclose = (closeEvent) => this.onClose({\n description: \"websocket connection closed\",\n context: closeEvent,\n });\n this.ws.onmessage = (ev) => this.onData(ev.data);\n this.ws.onerror = (e) => this.onError(\"websocket error\", e);\n }\n write(packets) {\n this.writable = false;\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n encodePacket(packet, this.supportsBinary, (data) => {\n // always create a new object (GH-437)\n const opts = {};\n if (!usingBrowserWebSocket) {\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n if (this.opts.perMessageDeflate) {\n const len = \n // @ts-ignore\n \"string\" === typeof data ? Buffer.byteLength(data) : data.length;\n if (len < this.opts.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n this.ws.send(data);\n }\n else {\n this.ws.send(data, opts);\n }\n }\n catch (e) {\n }\n if (lastPacket) {\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n if (typeof this.ws !== \"undefined\") {\n this.ws.close();\n this.ws = null;\n }\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"wss\" : \"ws\";\n const query = this.query || {};\n // append timestamp to URI\n if (this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @private\n */\n check() {\n return !!WebSocket;\n }\n}\n","import { Transport } from \"../transport.js\";\nimport { nextTick } from \"./websocket-constructor.js\";\nimport { createPacketDecoderStream, createPacketEncoderStream, } from \"engine.io-parser\";\nexport class WT extends Transport {\n get name() {\n return \"webtransport\";\n }\n doOpen() {\n // @ts-ignore\n if (typeof WebTransport !== \"function\") {\n return;\n }\n // @ts-ignore\n this.transport = new WebTransport(this.createUri(\"https\"), this.opts.transportOptions[this.name]);\n this.transport.closed\n .then(() => {\n this.onClose();\n })\n .catch((err) => {\n this.onError(\"webtransport error\", err);\n });\n // note: we could have used async/await, but that would require some additional polyfills\n this.transport.ready.then(() => {\n this.transport.createBidirectionalStream().then((stream) => {\n const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType);\n const reader = stream.readable.pipeThrough(decoderStream).getReader();\n const encoderStream = createPacketEncoderStream();\n encoderStream.readable.pipeTo(stream.writable);\n this.writer = encoderStream.writable.getWriter();\n const read = () => {\n reader\n .read()\n .then(({ done, value }) => {\n if (done) {\n return;\n }\n this.onPacket(value);\n read();\n })\n .catch((err) => {\n });\n };\n read();\n const packet = { type: \"open\" };\n if (this.query.sid) {\n packet.data = `{\"sid\":\"${this.query.sid}\"}`;\n }\n this.writer.write(packet).then(() => this.onOpen());\n });\n });\n }\n write(packets) {\n this.writable = false;\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n this.writer.write(packet).then(() => {\n if (lastPacket) {\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n var _a;\n (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close();\n }\n}\n","import { Polling } from \"./polling.js\";\nimport { WS } from \"./websocket.js\";\nimport { WT } from \"./webtransport.js\";\nexport const transports = {\n websocket: WS,\n webtransport: WT,\n polling: Polling,\n};\n","// imported from https://github.com/galkn/parseuri\n/**\n * Parses a URI\n *\n * Note: we could also have used the built-in URL object, but it isn't supported on all platforms.\n *\n * See:\n * - https://developer.mozilla.org/en-US/docs/Web/API/URL\n * - https://caniuse.com/url\n * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B\n *\n * History of the parse() method:\n * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c\n * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3\n * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242\n *\n * @author Steven Levithan (MIT license)\n * @api private\n */\nconst re = /^(?:(?![^:@\\/?#]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@\\/?#]*)(?::([^:@\\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\nconst parts = [\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\n];\nexport function parse(str) {\n const src = str, b = str.indexOf('['), e = str.indexOf(']');\n if (b != -1 && e != -1) {\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\n }\n let m = re.exec(str || ''), uri = {}, i = 14;\n while (i--) {\n uri[parts[i]] = m[i] || '';\n }\n if (b != -1 && e != -1) {\n uri.source = src;\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\n uri.ipv6uri = true;\n }\n uri.pathNames = pathNames(uri, uri['path']);\n uri.queryKey = queryKey(uri, uri['query']);\n return uri;\n}\nfunction pathNames(obj, path) {\n const regx = /\\/{2,9}/g, names = path.replace(regx, \"/\").split(\"/\");\n if (path.slice(0, 1) == '/' || path.length === 0) {\n names.splice(0, 1);\n }\n if (path.slice(-1) == '/') {\n names.splice(names.length - 1, 1);\n }\n return names;\n}\nfunction queryKey(uri, query) {\n const data = {};\n query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {\n if ($1) {\n data[$1] = $2;\n }\n });\n return data;\n}\n","import { transports } from \"./transports/index.js\";\nimport { installTimerFunctions, byteLength } from \"./util.js\";\nimport { decode } from \"./contrib/parseqs.js\";\nimport { parse } from \"./contrib/parseuri.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { protocol } from \"engine.io-parser\";\nimport { defaultBinaryType } from \"./transports/websocket-constructor.js\";\nexport class Socket extends Emitter {\n /**\n * Socket constructor.\n *\n * @param {String|Object} uri - uri or options\n * @param {Object} opts - options\n */\n constructor(uri, opts = {}) {\n super();\n this.binaryType = defaultBinaryType;\n this.writeBuffer = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = null;\n }\n if (uri) {\n uri = parse(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === \"https\" || uri.protocol === \"wss\";\n opts.port = uri.port;\n if (uri.query)\n opts.query = uri.query;\n }\n else if (opts.host) {\n opts.hostname = parse(opts.host).host;\n }\n installTimerFunctions(this, opts);\n this.secure =\n null != opts.secure\n ? opts.secure\n : typeof location !== \"undefined\" && \"https:\" === location.protocol;\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? \"443\" : \"80\";\n }\n this.hostname =\n opts.hostname ||\n (typeof location !== \"undefined\" ? location.hostname : \"localhost\");\n this.port =\n opts.port ||\n (typeof location !== \"undefined\" && location.port\n ? location.port\n : this.secure\n ? \"443\"\n : \"80\");\n this.transports = opts.transports || [\n \"polling\",\n \"websocket\",\n \"webtransport\",\n ];\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.opts = Object.assign({\n path: \"/engine.io\",\n agent: false,\n withCredentials: false,\n upgrade: true,\n timestampParam: \"t\",\n rememberUpgrade: false,\n addTrailingSlash: true,\n rejectUnauthorized: true,\n perMessageDeflate: {\n threshold: 1024,\n },\n transportOptions: {},\n closeOnBeforeunload: false,\n }, opts);\n this.opts.path =\n this.opts.path.replace(/\\/$/, \"\") +\n (this.opts.addTrailingSlash ? \"/\" : \"\");\n if (typeof this.opts.query === \"string\") {\n this.opts.query = decode(this.opts.query);\n }\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n // set on heartbeat\n this.pingTimeoutTimer = null;\n if (typeof addEventListener === \"function\") {\n if (this.opts.closeOnBeforeunload) {\n // Firefox closes the connection when the \"beforeunload\" event is emitted but not Chrome. This event listener\n // ensures every browser behaves the same (no \"disconnect\" event at the Socket.IO level when the page is\n // closed/reloaded)\n this.beforeunloadEventListener = () => {\n if (this.transport) {\n // silently close the transport\n this.transport.removeAllListeners();\n this.transport.close();\n }\n };\n addEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n }\n if (this.hostname !== \"localhost\") {\n this.offlineEventListener = () => {\n this.onClose(\"transport close\", {\n description: \"network connection lost\",\n });\n };\n addEventListener(\"offline\", this.offlineEventListener, false);\n }\n }\n this.open();\n }\n /**\n * Creates transport of the given type.\n *\n * @param {String} name - transport name\n * @return {Transport}\n * @private\n */\n createTransport(name) {\n const query = Object.assign({}, this.opts.query);\n // append engine.io protocol identifier\n query.EIO = protocol;\n // transport name\n query.transport = name;\n // session id if we already have one\n if (this.id)\n query.sid = this.id;\n const opts = Object.assign({}, this.opts, {\n query,\n socket: this,\n hostname: this.hostname,\n secure: this.secure,\n port: this.port,\n }, this.opts.transportOptions[name]);\n return new transports[name](opts);\n }\n /**\n * Initializes transport to use and starts probe.\n *\n * @private\n */\n open() {\n let transport;\n if (this.opts.rememberUpgrade &&\n Socket.priorWebsocketSuccess &&\n this.transports.indexOf(\"websocket\") !== -1) {\n transport = \"websocket\";\n }\n else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n this.setTimeoutFn(() => {\n this.emitReserved(\"error\", \"No transports available\");\n }, 0);\n return;\n }\n else {\n transport = this.transports[0];\n }\n this.readyState = \"opening\";\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n }\n catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n transport.open();\n this.setTransport(transport);\n }\n /**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @private\n */\n setTransport(transport) {\n if (this.transport) {\n this.transport.removeAllListeners();\n }\n // set up transport\n this.transport = transport;\n // set up transport listeners\n transport\n .on(\"drain\", this.onDrain.bind(this))\n .on(\"packet\", this.onPacket.bind(this))\n .on(\"error\", this.onError.bind(this))\n .on(\"close\", (reason) => this.onClose(\"transport close\", reason));\n }\n /**\n * Probes a transport.\n *\n * @param {String} name - transport name\n * @private\n */\n probe(name) {\n let transport = this.createTransport(name);\n let failed = false;\n Socket.priorWebsocketSuccess = false;\n const onTransportOpen = () => {\n if (failed)\n return;\n transport.send([{ type: \"ping\", data: \"probe\" }]);\n transport.once(\"packet\", (msg) => {\n if (failed)\n return;\n if (\"pong\" === msg.type && \"probe\" === msg.data) {\n this.upgrading = true;\n this.emitReserved(\"upgrading\", transport);\n if (!transport)\n return;\n Socket.priorWebsocketSuccess = \"websocket\" === transport.name;\n this.transport.pause(() => {\n if (failed)\n return;\n if (\"closed\" === this.readyState)\n return;\n cleanup();\n this.setTransport(transport);\n transport.send([{ type: \"upgrade\" }]);\n this.emitReserved(\"upgrade\", transport);\n transport = null;\n this.upgrading = false;\n this.flush();\n });\n }\n else {\n const err = new Error(\"probe error\");\n // @ts-ignore\n err.transport = transport.name;\n this.emitReserved(\"upgradeError\", err);\n }\n });\n };\n function freezeTransport() {\n if (failed)\n return;\n // Any callback called by transport should be ignored since now\n failed = true;\n cleanup();\n transport.close();\n transport = null;\n }\n // Handle any error that happens while probing\n const onerror = (err) => {\n const error = new Error(\"probe error: \" + err);\n // @ts-ignore\n error.transport = transport.name;\n freezeTransport();\n this.emitReserved(\"upgradeError\", error);\n };\n function onTransportClose() {\n onerror(\"transport closed\");\n }\n // When the socket is closed while we're probing\n function onclose() {\n onerror(\"socket closed\");\n }\n // When the socket is upgraded while we're probing\n function onupgrade(to) {\n if (transport && to.name !== transport.name) {\n freezeTransport();\n }\n }\n // Remove all listeners on the transport and on self\n const cleanup = () => {\n transport.removeListener(\"open\", onTransportOpen);\n transport.removeListener(\"error\", onerror);\n transport.removeListener(\"close\", onTransportClose);\n this.off(\"close\", onclose);\n this.off(\"upgrading\", onupgrade);\n };\n transport.once(\"open\", onTransportOpen);\n transport.once(\"error\", onerror);\n transport.once(\"close\", onTransportClose);\n this.once(\"close\", onclose);\n this.once(\"upgrading\", onupgrade);\n if (this.upgrades.indexOf(\"webtransport\") !== -1 &&\n name !== \"webtransport\") {\n // favor WebTransport\n this.setTimeoutFn(() => {\n if (!failed) {\n transport.open();\n }\n }, 200);\n }\n else {\n transport.open();\n }\n }\n /**\n * Called when connection is deemed open.\n *\n * @private\n */\n onOpen() {\n this.readyState = \"open\";\n Socket.priorWebsocketSuccess = \"websocket\" === this.transport.name;\n this.emitReserved(\"open\");\n this.flush();\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if (\"open\" === this.readyState && this.opts.upgrade) {\n let i = 0;\n const l = this.upgrades.length;\n for (; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n }\n /**\n * Handles a packet.\n *\n * @private\n */\n onPacket(packet) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n this.emitReserved(\"packet\", packet);\n // Socket is live - any packet counts\n this.emitReserved(\"heartbeat\");\n this.resetPingTimeout();\n switch (packet.type) {\n case \"open\":\n this.onHandshake(JSON.parse(packet.data));\n break;\n case \"ping\":\n this.sendPacket(\"pong\");\n this.emitReserved(\"ping\");\n this.emitReserved(\"pong\");\n break;\n case \"error\":\n const err = new Error(\"server error\");\n // @ts-ignore\n err.code = packet.data;\n this.onError(err);\n break;\n case \"message\":\n this.emitReserved(\"data\", packet.data);\n this.emitReserved(\"message\", packet.data);\n break;\n }\n }\n else {\n }\n }\n /**\n * Called upon handshake completion.\n *\n * @param {Object} data - handshake obj\n * @private\n */\n onHandshake(data) {\n this.emitReserved(\"handshake\", data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.maxPayload = data.maxPayload;\n this.onOpen();\n // In case open handler closes socket\n if (\"closed\" === this.readyState)\n return;\n this.resetPingTimeout();\n }\n /**\n * Sets and resets ping timeout timer based on server pings.\n *\n * @private\n */\n resetPingTimeout() {\n this.clearTimeoutFn(this.pingTimeoutTimer);\n this.pingTimeoutTimer = this.setTimeoutFn(() => {\n this.onClose(\"ping timeout\");\n }, this.pingInterval + this.pingTimeout);\n if (this.opts.autoUnref) {\n this.pingTimeoutTimer.unref();\n }\n }\n /**\n * Called on `drain` event\n *\n * @private\n */\n onDrain() {\n this.writeBuffer.splice(0, this.prevBufferLen);\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n if (0 === this.writeBuffer.length) {\n this.emitReserved(\"drain\");\n }\n else {\n this.flush();\n }\n }\n /**\n * Flush write buffers.\n *\n * @private\n */\n flush() {\n if (\"closed\" !== this.readyState &&\n this.transport.writable &&\n !this.upgrading &&\n this.writeBuffer.length) {\n const packets = this.getWritablePackets();\n this.transport.send(packets);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = packets.length;\n this.emitReserved(\"flush\");\n }\n }\n /**\n * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP\n * long-polling)\n *\n * @private\n */\n getWritablePackets() {\n const shouldCheckPayloadSize = this.maxPayload &&\n this.transport.name === \"polling\" &&\n this.writeBuffer.length > 1;\n if (!shouldCheckPayloadSize) {\n return this.writeBuffer;\n }\n let payloadSize = 1; // first packet type\n for (let i = 0; i < this.writeBuffer.length; i++) {\n const data = this.writeBuffer[i].data;\n if (data) {\n payloadSize += byteLength(data);\n }\n if (i > 0 && payloadSize > this.maxPayload) {\n return this.writeBuffer.slice(0, i);\n }\n payloadSize += 2; // separator + packet type\n }\n return this.writeBuffer;\n }\n /**\n * Sends a message.\n *\n * @param {String} msg - message.\n * @param {Object} options.\n * @param {Function} callback function.\n * @return {Socket} for chaining.\n */\n write(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n send(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n /**\n * Sends a packet.\n *\n * @param {String} type: packet type.\n * @param {String} data.\n * @param {Object} options.\n * @param {Function} fn - callback function.\n * @private\n */\n sendPacket(type, data, options, fn) {\n if (\"function\" === typeof data) {\n fn = data;\n data = undefined;\n }\n if (\"function\" === typeof options) {\n fn = options;\n options = null;\n }\n if (\"closing\" === this.readyState || \"closed\" === this.readyState) {\n return;\n }\n options = options || {};\n options.compress = false !== options.compress;\n const packet = {\n type: type,\n data: data,\n options: options,\n };\n this.emitReserved(\"packetCreate\", packet);\n this.writeBuffer.push(packet);\n if (fn)\n this.once(\"flush\", fn);\n this.flush();\n }\n /**\n * Closes the connection.\n */\n close() {\n const close = () => {\n this.onClose(\"forced close\");\n this.transport.close();\n };\n const cleanupAndClose = () => {\n this.off(\"upgrade\", cleanupAndClose);\n this.off(\"upgradeError\", cleanupAndClose);\n close();\n };\n const waitForUpgrade = () => {\n // wait for upgrade to finish since we can't send packets while pausing a transport\n this.once(\"upgrade\", cleanupAndClose);\n this.once(\"upgradeError\", cleanupAndClose);\n };\n if (\"opening\" === this.readyState || \"open\" === this.readyState) {\n this.readyState = \"closing\";\n if (this.writeBuffer.length) {\n this.once(\"drain\", () => {\n if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n });\n }\n else if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n }\n return this;\n }\n /**\n * Called upon transport error\n *\n * @private\n */\n onError(err) {\n Socket.priorWebsocketSuccess = false;\n this.emitReserved(\"error\", err);\n this.onClose(\"transport error\", err);\n }\n /**\n * Called upon transport close.\n *\n * @private\n */\n onClose(reason, description) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n // clear timers\n this.clearTimeoutFn(this.pingTimeoutTimer);\n // stop event from firing again for transport\n this.transport.removeAllListeners(\"close\");\n // ensure transport won't stay open\n this.transport.close();\n // ignore further transport communication\n this.transport.removeAllListeners();\n if (typeof removeEventListener === \"function\") {\n removeEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n removeEventListener(\"offline\", this.offlineEventListener, false);\n }\n // set ready state\n this.readyState = \"closed\";\n // clear session id\n this.id = null;\n // emit close event\n this.emitReserved(\"close\", reason, description);\n // clean buffers after, so users can still\n // grab the buffers on `close` event\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n }\n }\n /**\n * Filters upgrades, returning only those matching client transports.\n *\n * @param {Array} upgrades - server upgrades\n * @private\n */\n filterUpgrades(upgrades) {\n const filteredUpgrades = [];\n let i = 0;\n const j = upgrades.length;\n for (; i < j; i++) {\n if (~this.transports.indexOf(upgrades[i]))\n filteredUpgrades.push(upgrades[i]);\n }\n return filteredUpgrades;\n }\n}\nSocket.protocol = protocol;\n","import { Socket } from \"./socket.js\";\nexport { Socket };\nexport const protocol = Socket.protocol;\nexport { Transport } from \"./transport.js\";\nexport { transports } from \"./transports/index.js\";\nexport { installTimerFunctions } from \"./util.js\";\nexport { parse } from \"./contrib/parseuri.js\";\nexport { nextTick } from \"./transports/websocket-constructor.js\";\n","import { parse } from \"engine.io-client\";\n/**\n * URL parser.\n *\n * @param uri - url\n * @param path - the request path of the connection\n * @param loc - An object meant to mimic window.location.\n * Defaults to window.location.\n * @public\n */\nexport function url(uri, path = \"\", loc) {\n let obj = uri;\n // default to window.location\n loc = loc || (typeof location !== \"undefined\" && location);\n if (null == uri)\n uri = loc.protocol + \"//\" + loc.host;\n // relative path support\n if (typeof uri === \"string\") {\n if (\"/\" === uri.charAt(0)) {\n if (\"/\" === uri.charAt(1)) {\n uri = loc.protocol + uri;\n }\n else {\n uri = loc.host + uri;\n }\n }\n if (!/^(https?|wss?):\\/\\//.test(uri)) {\n if (\"undefined\" !== typeof loc) {\n uri = loc.protocol + \"//\" + uri;\n }\n else {\n uri = \"https://\" + uri;\n }\n }\n // parse\n obj = parse(uri);\n }\n // make sure we treat `localhost:80` and `localhost` equally\n if (!obj.port) {\n if (/^(http|ws)$/.test(obj.protocol)) {\n obj.port = \"80\";\n }\n else if (/^(http|ws)s$/.test(obj.protocol)) {\n obj.port = \"443\";\n }\n }\n obj.path = obj.path || \"/\";\n const ipv6 = obj.host.indexOf(\":\") !== -1;\n const host = ipv6 ? \"[\" + obj.host + \"]\" : obj.host;\n // define unique id\n obj.id = obj.protocol + \"://\" + host + \":\" + obj.port + path;\n // define href\n obj.href =\n obj.protocol +\n \"://\" +\n host +\n (loc && loc.port === obj.port ? \"\" : \":\" + obj.port);\n return obj;\n}\n","const withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nconst isView = (obj) => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj.buffer instanceof ArrayBuffer;\n};\nconst toString = Object.prototype.toString;\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeFile = typeof File === \"function\" ||\n (typeof File !== \"undefined\" &&\n toString.call(File) === \"[object FileConstructor]\");\n/**\n * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File.\n *\n * @private\n */\nexport function isBinary(obj) {\n return ((withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) ||\n (withNativeBlob && obj instanceof Blob) ||\n (withNativeFile && obj instanceof File));\n}\nexport function hasBinary(obj, toJSON) {\n if (!obj || typeof obj !== \"object\") {\n return false;\n }\n if (Array.isArray(obj)) {\n for (let i = 0, l = obj.length; i < l; i++) {\n if (hasBinary(obj[i])) {\n return true;\n }\n }\n return false;\n }\n if (isBinary(obj)) {\n return true;\n }\n if (obj.toJSON &&\n typeof obj.toJSON === \"function\" &&\n arguments.length === 1) {\n return hasBinary(obj.toJSON(), true);\n }\n for (const key in obj) {\n if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {\n return true;\n }\n }\n return false;\n}\n","import { isBinary } from \"./is-binary.js\";\n/**\n * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder.\n *\n * @param {Object} packet - socket.io event packet\n * @return {Object} with deconstructed packet and list of buffers\n * @public\n */\nexport function deconstructPacket(packet) {\n const buffers = [];\n const packetData = packet.data;\n const pack = packet;\n pack.data = _deconstructPacket(packetData, buffers);\n pack.attachments = buffers.length; // number of binary 'attachments'\n return { packet: pack, buffers: buffers };\n}\nfunction _deconstructPacket(data, buffers) {\n if (!data)\n return data;\n if (isBinary(data)) {\n const placeholder = { _placeholder: true, num: buffers.length };\n buffers.push(data);\n return placeholder;\n }\n else if (Array.isArray(data)) {\n const newData = new Array(data.length);\n for (let i = 0; i < data.length; i++) {\n newData[i] = _deconstructPacket(data[i], buffers);\n }\n return newData;\n }\n else if (typeof data === \"object\" && !(data instanceof Date)) {\n const newData = {};\n for (const key in data) {\n if (Object.prototype.hasOwnProperty.call(data, key)) {\n newData[key] = _deconstructPacket(data[key], buffers);\n }\n }\n return newData;\n }\n return data;\n}\n/**\n * Reconstructs a binary packet from its placeholder packet and buffers\n *\n * @param {Object} packet - event packet with placeholders\n * @param {Array} buffers - binary buffers to put in placeholder positions\n * @return {Object} reconstructed packet\n * @public\n */\nexport function reconstructPacket(packet, buffers) {\n packet.data = _reconstructPacket(packet.data, buffers);\n delete packet.attachments; // no longer useful\n return packet;\n}\nfunction _reconstructPacket(data, buffers) {\n if (!data)\n return data;\n if (data && data._placeholder === true) {\n const isIndexValid = typeof data.num === \"number\" &&\n data.num >= 0 &&\n data.num < buffers.length;\n if (isIndexValid) {\n return buffers[data.num]; // appropriate buffer (should be natural order anyway)\n }\n else {\n throw new Error(\"illegal attachments\");\n }\n }\n else if (Array.isArray(data)) {\n for (let i = 0; i < data.length; i++) {\n data[i] = _reconstructPacket(data[i], buffers);\n }\n }\n else if (typeof data === \"object\") {\n for (const key in data) {\n if (Object.prototype.hasOwnProperty.call(data, key)) {\n data[key] = _reconstructPacket(data[key], buffers);\n }\n }\n }\n return data;\n}\n","import { Emitter } from \"@socket.io/component-emitter\";\nimport { deconstructPacket, reconstructPacket } from \"./binary.js\";\nimport { isBinary, hasBinary } from \"./is-binary.js\";\n/**\n * These strings must not be used as event names, as they have a special meaning.\n */\nconst RESERVED_EVENTS = [\n \"connect\",\n \"connect_error\",\n \"disconnect\",\n \"disconnecting\",\n \"newListener\",\n \"removeListener\", // used by the Node.js EventEmitter\n];\n/**\n * Protocol version.\n *\n * @public\n */\nexport const protocol = 5;\nexport var PacketType;\n(function (PacketType) {\n PacketType[PacketType[\"CONNECT\"] = 0] = \"CONNECT\";\n PacketType[PacketType[\"DISCONNECT\"] = 1] = \"DISCONNECT\";\n PacketType[PacketType[\"EVENT\"] = 2] = \"EVENT\";\n PacketType[PacketType[\"ACK\"] = 3] = \"ACK\";\n PacketType[PacketType[\"CONNECT_ERROR\"] = 4] = \"CONNECT_ERROR\";\n PacketType[PacketType[\"BINARY_EVENT\"] = 5] = \"BINARY_EVENT\";\n PacketType[PacketType[\"BINARY_ACK\"] = 6] = \"BINARY_ACK\";\n})(PacketType || (PacketType = {}));\n/**\n * A socket.io Encoder instance\n */\nexport class Encoder {\n /**\n * Encoder constructor\n *\n * @param {function} replacer - custom replacer to pass down to JSON.parse\n */\n constructor(replacer) {\n this.replacer = replacer;\n }\n /**\n * Encode a packet as a single string if non-binary, or as a\n * buffer sequence, depending on packet type.\n *\n * @param {Object} obj - packet object\n */\n encode(obj) {\n if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) {\n if (hasBinary(obj)) {\n return this.encodeAsBinary({\n type: obj.type === PacketType.EVENT\n ? PacketType.BINARY_EVENT\n : PacketType.BINARY_ACK,\n nsp: obj.nsp,\n data: obj.data,\n id: obj.id,\n });\n }\n }\n return [this.encodeAsString(obj)];\n }\n /**\n * Encode packet as string.\n */\n encodeAsString(obj) {\n // first is type\n let str = \"\" + obj.type;\n // attachments if we have them\n if (obj.type === PacketType.BINARY_EVENT ||\n obj.type === PacketType.BINARY_ACK) {\n str += obj.attachments + \"-\";\n }\n // if we have a namespace other than `/`\n // we append it followed by a comma `,`\n if (obj.nsp && \"/\" !== obj.nsp) {\n str += obj.nsp + \",\";\n }\n // immediately followed by the id\n if (null != obj.id) {\n str += obj.id;\n }\n // json data\n if (null != obj.data) {\n str += JSON.stringify(obj.data, this.replacer);\n }\n return str;\n }\n /**\n * Encode packet as 'buffer sequence' by removing blobs, and\n * deconstructing packet into object with placeholders and\n * a list of buffers.\n */\n encodeAsBinary(obj) {\n const deconstruction = deconstructPacket(obj);\n const pack = this.encodeAsString(deconstruction.packet);\n const buffers = deconstruction.buffers;\n buffers.unshift(pack); // add packet info to beginning of data list\n return buffers; // write all the buffers\n }\n}\n// see https://stackoverflow.com/questions/8511281/check-if-a-value-is-an-object-in-javascript\nfunction isObject(value) {\n return Object.prototype.toString.call(value) === \"[object Object]\";\n}\n/**\n * A socket.io Decoder instance\n *\n * @return {Object} decoder\n */\nexport class Decoder extends Emitter {\n /**\n * Decoder constructor\n *\n * @param {function} reviver - custom reviver to pass down to JSON.stringify\n */\n constructor(reviver) {\n super();\n this.reviver = reviver;\n }\n /**\n * Decodes an encoded packet string into packet JSON.\n *\n * @param {String} obj - encoded packet\n */\n add(obj) {\n let packet;\n if (typeof obj === \"string\") {\n if (this.reconstructor) {\n throw new Error(\"got plaintext data when reconstructing a packet\");\n }\n packet = this.decodeString(obj);\n const isBinaryEvent = packet.type === PacketType.BINARY_EVENT;\n if (isBinaryEvent || packet.type === PacketType.BINARY_ACK) {\n packet.type = isBinaryEvent ? PacketType.EVENT : PacketType.ACK;\n // binary packet's json\n this.reconstructor = new BinaryReconstructor(packet);\n // no attachments, labeled binary but no binary data to follow\n if (packet.attachments === 0) {\n super.emitReserved(\"decoded\", packet);\n }\n }\n else {\n // non-binary full packet\n super.emitReserved(\"decoded\", packet);\n }\n }\n else if (isBinary(obj) || obj.base64) {\n // raw binary data\n if (!this.reconstructor) {\n throw new Error(\"got binary data when not reconstructing a packet\");\n }\n else {\n packet = this.reconstructor.takeBinaryData(obj);\n if (packet) {\n // received final buffer\n this.reconstructor = null;\n super.emitReserved(\"decoded\", packet);\n }\n }\n }\n else {\n throw new Error(\"Unknown type: \" + obj);\n }\n }\n /**\n * Decode a packet String (JSON data)\n *\n * @param {String} str\n * @return {Object} packet\n */\n decodeString(str) {\n let i = 0;\n // look up type\n const p = {\n type: Number(str.charAt(0)),\n };\n if (PacketType[p.type] === undefined) {\n throw new Error(\"unknown packet type \" + p.type);\n }\n // look up attachments if type binary\n if (p.type === PacketType.BINARY_EVENT ||\n p.type === PacketType.BINARY_ACK) {\n const start = i + 1;\n while (str.charAt(++i) !== \"-\" && i != str.length) { }\n const buf = str.substring(start, i);\n if (buf != Number(buf) || str.charAt(i) !== \"-\") {\n throw new Error(\"Illegal attachments\");\n }\n p.attachments = Number(buf);\n }\n // look up namespace (if any)\n if (\"/\" === str.charAt(i + 1)) {\n const start = i + 1;\n while (++i) {\n const c = str.charAt(i);\n if (\",\" === c)\n break;\n if (i === str.length)\n break;\n }\n p.nsp = str.substring(start, i);\n }\n else {\n p.nsp = \"/\";\n }\n // look up id\n const next = str.charAt(i + 1);\n if (\"\" !== next && Number(next) == next) {\n const start = i + 1;\n while (++i) {\n const c = str.charAt(i);\n if (null == c || Number(c) != c) {\n --i;\n break;\n }\n if (i === str.length)\n break;\n }\n p.id = Number(str.substring(start, i + 1));\n }\n // look up json data\n if (str.charAt(++i)) {\n const payload = this.tryParse(str.substr(i));\n if (Decoder.isPayloadValid(p.type, payload)) {\n p.data = payload;\n }\n else {\n throw new Error(\"invalid payload\");\n }\n }\n return p;\n }\n tryParse(str) {\n try {\n return JSON.parse(str, this.reviver);\n }\n catch (e) {\n return false;\n }\n }\n static isPayloadValid(type, payload) {\n switch (type) {\n case PacketType.CONNECT:\n return isObject(payload);\n case PacketType.DISCONNECT:\n return payload === undefined;\n case PacketType.CONNECT_ERROR:\n return typeof payload === \"string\" || isObject(payload);\n case PacketType.EVENT:\n case PacketType.BINARY_EVENT:\n return (Array.isArray(payload) &&\n (typeof payload[0] === \"number\" ||\n (typeof payload[0] === \"string\" &&\n RESERVED_EVENTS.indexOf(payload[0]) === -1)));\n case PacketType.ACK:\n case PacketType.BINARY_ACK:\n return Array.isArray(payload);\n }\n }\n /**\n * Deallocates a parser's resources\n */\n destroy() {\n if (this.reconstructor) {\n this.reconstructor.finishedReconstruction();\n this.reconstructor = null;\n }\n }\n}\n/**\n * A manager of a binary event's 'buffer sequence'. Should\n * be constructed whenever a packet of type BINARY_EVENT is\n * decoded.\n *\n * @param {Object} packet\n * @return {BinaryReconstructor} initialized reconstructor\n */\nclass BinaryReconstructor {\n constructor(packet) {\n this.packet = packet;\n this.buffers = [];\n this.reconPack = packet;\n }\n /**\n * Method to be called when binary data received from connection\n * after a BINARY_EVENT packet.\n *\n * @param {Buffer | ArrayBuffer} binData - the raw binary data received\n * @return {null | Object} returns null if more binary data is expected or\n * a reconstructed packet object if all buffers have been received.\n */\n takeBinaryData(binData) {\n this.buffers.push(binData);\n if (this.buffers.length === this.reconPack.attachments) {\n // done with buffer list\n const packet = reconstructPacket(this.reconPack, this.buffers);\n this.finishedReconstruction();\n return packet;\n }\n return null;\n }\n /**\n * Cleans up binary packet reconstruction variables.\n */\n finishedReconstruction() {\n this.reconPack = null;\n this.buffers = [];\n }\n}\n","export function on(obj, ev, fn) {\n obj.on(ev, fn);\n return function subDestroy() {\n obj.off(ev, fn);\n };\n}\n","import { PacketType } from \"socket.io-parser\";\nimport { on } from \"./on.js\";\nimport { Emitter, } from \"@socket.io/component-emitter\";\n/**\n * Internal events.\n * These events can't be emitted by the user.\n */\nconst RESERVED_EVENTS = Object.freeze({\n connect: 1,\n connect_error: 1,\n disconnect: 1,\n disconnecting: 1,\n // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener\n newListener: 1,\n removeListener: 1,\n});\n/**\n * A Socket is the fundamental class for interacting with the server.\n *\n * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(\"connected\");\n * });\n *\n * // send an event to the server\n * socket.emit(\"foo\", \"bar\");\n *\n * socket.on(\"foobar\", () => {\n * // an event was received from the server\n * });\n *\n * // upon disconnection\n * socket.on(\"disconnect\", (reason) => {\n * console.log(`disconnected due to ${reason}`);\n * });\n */\nexport class Socket extends Emitter {\n /**\n * `Socket` constructor.\n */\n constructor(io, nsp, opts) {\n super();\n /**\n * Whether the socket is currently connected to the server.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(socket.connected); // true\n * });\n *\n * socket.on(\"disconnect\", () => {\n * console.log(socket.connected); // false\n * });\n */\n this.connected = false;\n /**\n * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will\n * be transmitted by the server.\n */\n this.recovered = false;\n /**\n * Buffer for packets received before the CONNECT packet\n */\n this.receiveBuffer = [];\n /**\n * Buffer for packets that will be sent once the socket is connected\n */\n this.sendBuffer = [];\n /**\n * The queue of packets to be sent with retry in case of failure.\n *\n * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order.\n * @private\n */\n this._queue = [];\n /**\n * A sequence to generate the ID of the {@link QueuedPacket}.\n * @private\n */\n this._queueSeq = 0;\n this.ids = 0;\n this.acks = {};\n this.flags = {};\n this.io = io;\n this.nsp = nsp;\n if (opts && opts.auth) {\n this.auth = opts.auth;\n }\n this._opts = Object.assign({}, opts);\n if (this.io._autoConnect)\n this.open();\n }\n /**\n * Whether the socket is currently disconnected\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(socket.disconnected); // false\n * });\n *\n * socket.on(\"disconnect\", () => {\n * console.log(socket.disconnected); // true\n * });\n */\n get disconnected() {\n return !this.connected;\n }\n /**\n * Subscribe to open, close and packet events\n *\n * @private\n */\n subEvents() {\n if (this.subs)\n return;\n const io = this.io;\n this.subs = [\n on(io, \"open\", this.onopen.bind(this)),\n on(io, \"packet\", this.onpacket.bind(this)),\n on(io, \"error\", this.onerror.bind(this)),\n on(io, \"close\", this.onclose.bind(this)),\n ];\n }\n /**\n * Whether the Socket will try to reconnect when its Manager connects or reconnects.\n *\n * @example\n * const socket = io();\n *\n * console.log(socket.active); // true\n *\n * socket.on(\"disconnect\", (reason) => {\n * if (reason === \"io server disconnect\") {\n * // the disconnection was initiated by the server, you need to manually reconnect\n * console.log(socket.active); // false\n * }\n * // else the socket will automatically try to reconnect\n * console.log(socket.active); // true\n * });\n */\n get active() {\n return !!this.subs;\n }\n /**\n * \"Opens\" the socket.\n *\n * @example\n * const socket = io({\n * autoConnect: false\n * });\n *\n * socket.connect();\n */\n connect() {\n if (this.connected)\n return this;\n this.subEvents();\n if (!this.io[\"_reconnecting\"])\n this.io.open(); // ensure open\n if (\"open\" === this.io._readyState)\n this.onopen();\n return this;\n }\n /**\n * Alias for {@link connect()}.\n */\n open() {\n return this.connect();\n }\n /**\n * Sends a `message` event.\n *\n * This method mimics the WebSocket.send() method.\n *\n * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send\n *\n * @example\n * socket.send(\"hello\");\n *\n * // this is equivalent to\n * socket.emit(\"message\", \"hello\");\n *\n * @return self\n */\n send(...args) {\n args.unshift(\"message\");\n this.emit.apply(this, args);\n return this;\n }\n /**\n * Override `emit`.\n * If the event is in `events`, it's emitted normally.\n *\n * @example\n * socket.emit(\"hello\", \"world\");\n *\n * // all serializable datastructures are supported (no need to call JSON.stringify)\n * socket.emit(\"hello\", 1, \"2\", { 3: [\"4\"], 5: Uint8Array.from([6]) });\n *\n * // with an acknowledgement from the server\n * socket.emit(\"hello\", \"world\", (val) => {\n * // ...\n * });\n *\n * @return self\n */\n emit(ev, ...args) {\n if (RESERVED_EVENTS.hasOwnProperty(ev)) {\n throw new Error('\"' + ev.toString() + '\" is a reserved event name');\n }\n args.unshift(ev);\n if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) {\n this._addToQueue(args);\n return this;\n }\n const packet = {\n type: PacketType.EVENT,\n data: args,\n };\n packet.options = {};\n packet.options.compress = this.flags.compress !== false;\n // event ack callback\n if (\"function\" === typeof args[args.length - 1]) {\n const id = this.ids++;\n const ack = args.pop();\n this._registerAckCallback(id, ack);\n packet.id = id;\n }\n const isTransportWritable = this.io.engine &&\n this.io.engine.transport &&\n this.io.engine.transport.writable;\n const discardPacket = this.flags.volatile && (!isTransportWritable || !this.connected);\n if (discardPacket) {\n }\n else if (this.connected) {\n this.notifyOutgoingListeners(packet);\n this.packet(packet);\n }\n else {\n this.sendBuffer.push(packet);\n }\n this.flags = {};\n return this;\n }\n /**\n * @private\n */\n _registerAckCallback(id, ack) {\n var _a;\n const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout;\n if (timeout === undefined) {\n this.acks[id] = ack;\n return;\n }\n // @ts-ignore\n const timer = this.io.setTimeoutFn(() => {\n delete this.acks[id];\n for (let i = 0; i < this.sendBuffer.length; i++) {\n if (this.sendBuffer[i].id === id) {\n this.sendBuffer.splice(i, 1);\n }\n }\n ack.call(this, new Error(\"operation has timed out\"));\n }, timeout);\n this.acks[id] = (...args) => {\n // @ts-ignore\n this.io.clearTimeoutFn(timer);\n ack.apply(this, [null, ...args]);\n };\n }\n /**\n * Emits an event and waits for an acknowledgement\n *\n * @example\n * // without timeout\n * const response = await socket.emitWithAck(\"hello\", \"world\");\n *\n * // with a specific timeout\n * try {\n * const response = await socket.timeout(1000).emitWithAck(\"hello\", \"world\");\n * } catch (err) {\n * // the server did not acknowledge the event in the given delay\n * }\n *\n * @return a Promise that will be fulfilled when the server acknowledges the event\n */\n emitWithAck(ev, ...args) {\n // the timeout flag is optional\n const withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined;\n return new Promise((resolve, reject) => {\n args.push((arg1, arg2) => {\n if (withErr) {\n return arg1 ? reject(arg1) : resolve(arg2);\n }\n else {\n return resolve(arg1);\n }\n });\n this.emit(ev, ...args);\n });\n }\n /**\n * Add the packet to the queue.\n * @param args\n * @private\n */\n _addToQueue(args) {\n let ack;\n if (typeof args[args.length - 1] === \"function\") {\n ack = args.pop();\n }\n const packet = {\n id: this._queueSeq++,\n tryCount: 0,\n pending: false,\n args,\n flags: Object.assign({ fromQueue: true }, this.flags),\n };\n args.push((err, ...responseArgs) => {\n if (packet !== this._queue[0]) {\n // the packet has already been acknowledged\n return;\n }\n const hasError = err !== null;\n if (hasError) {\n if (packet.tryCount > this._opts.retries) {\n this._queue.shift();\n if (ack) {\n ack(err);\n }\n }\n }\n else {\n this._queue.shift();\n if (ack) {\n ack(null, ...responseArgs);\n }\n }\n packet.pending = false;\n return this._drainQueue();\n });\n this._queue.push(packet);\n this._drainQueue();\n }\n /**\n * Send the first packet of the queue, and wait for an acknowledgement from the server.\n * @param force - whether to resend a packet that has not been acknowledged yet\n *\n * @private\n */\n _drainQueue(force = false) {\n if (!this.connected || this._queue.length === 0) {\n return;\n }\n const packet = this._queue[0];\n if (packet.pending && !force) {\n return;\n }\n packet.pending = true;\n packet.tryCount++;\n this.flags = packet.flags;\n this.emit.apply(this, packet.args);\n }\n /**\n * Sends a packet.\n *\n * @param packet\n * @private\n */\n packet(packet) {\n packet.nsp = this.nsp;\n this.io._packet(packet);\n }\n /**\n * Called upon engine `open`.\n *\n * @private\n */\n onopen() {\n if (typeof this.auth == \"function\") {\n this.auth((data) => {\n this._sendConnectPacket(data);\n });\n }\n else {\n this._sendConnectPacket(this.auth);\n }\n }\n /**\n * Sends a CONNECT packet to initiate the Socket.IO session.\n *\n * @param data\n * @private\n */\n _sendConnectPacket(data) {\n this.packet({\n type: PacketType.CONNECT,\n data: this._pid\n ? Object.assign({ pid: this._pid, offset: this._lastOffset }, data)\n : data,\n });\n }\n /**\n * Called upon engine or manager `error`.\n *\n * @param err\n * @private\n */\n onerror(err) {\n if (!this.connected) {\n this.emitReserved(\"connect_error\", err);\n }\n }\n /**\n * Called upon engine `close`.\n *\n * @param reason\n * @param description\n * @private\n */\n onclose(reason, description) {\n this.connected = false;\n delete this.id;\n this.emitReserved(\"disconnect\", reason, description);\n }\n /**\n * Called with socket packet.\n *\n * @param packet\n * @private\n */\n onpacket(packet) {\n const sameNamespace = packet.nsp === this.nsp;\n if (!sameNamespace)\n return;\n switch (packet.type) {\n case PacketType.CONNECT:\n if (packet.data && packet.data.sid) {\n this.onconnect(packet.data.sid, packet.data.pid);\n }\n else {\n this.emitReserved(\"connect_error\", new Error(\"It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)\"));\n }\n break;\n case PacketType.EVENT:\n case PacketType.BINARY_EVENT:\n this.onevent(packet);\n break;\n case PacketType.ACK:\n case PacketType.BINARY_ACK:\n this.onack(packet);\n break;\n case PacketType.DISCONNECT:\n this.ondisconnect();\n break;\n case PacketType.CONNECT_ERROR:\n this.destroy();\n const err = new Error(packet.data.message);\n // @ts-ignore\n err.data = packet.data.data;\n this.emitReserved(\"connect_error\", err);\n break;\n }\n }\n /**\n * Called upon a server event.\n *\n * @param packet\n * @private\n */\n onevent(packet) {\n const args = packet.data || [];\n if (null != packet.id) {\n args.push(this.ack(packet.id));\n }\n if (this.connected) {\n this.emitEvent(args);\n }\n else {\n this.receiveBuffer.push(Object.freeze(args));\n }\n }\n emitEvent(args) {\n if (this._anyListeners && this._anyListeners.length) {\n const listeners = this._anyListeners.slice();\n for (const listener of listeners) {\n listener.apply(this, args);\n }\n }\n super.emit.apply(this, args);\n if (this._pid && args.length && typeof args[args.length - 1] === \"string\") {\n this._lastOffset = args[args.length - 1];\n }\n }\n /**\n * Produces an ack callback to emit with an event.\n *\n * @private\n */\n ack(id) {\n const self = this;\n let sent = false;\n return function (...args) {\n // prevent double callbacks\n if (sent)\n return;\n sent = true;\n self.packet({\n type: PacketType.ACK,\n id: id,\n data: args,\n });\n };\n }\n /**\n * Called upon a server acknowlegement.\n *\n * @param packet\n * @private\n */\n onack(packet) {\n const ack = this.acks[packet.id];\n if (\"function\" === typeof ack) {\n ack.apply(this, packet.data);\n delete this.acks[packet.id];\n }\n else {\n }\n }\n /**\n * Called upon server connect.\n *\n * @private\n */\n onconnect(id, pid) {\n this.id = id;\n this.recovered = pid && this._pid === pid;\n this._pid = pid; // defined only if connection state recovery is enabled\n this.connected = true;\n this.emitBuffered();\n this.emitReserved(\"connect\");\n this._drainQueue(true);\n }\n /**\n * Emit buffered events (received and emitted).\n *\n * @private\n */\n emitBuffered() {\n this.receiveBuffer.forEach((args) => this.emitEvent(args));\n this.receiveBuffer = [];\n this.sendBuffer.forEach((packet) => {\n this.notifyOutgoingListeners(packet);\n this.packet(packet);\n });\n this.sendBuffer = [];\n }\n /**\n * Called upon server disconnect.\n *\n * @private\n */\n ondisconnect() {\n this.destroy();\n this.onclose(\"io server disconnect\");\n }\n /**\n * Called upon forced client/server side disconnections,\n * this method ensures the manager stops tracking us and\n * that reconnections don't get triggered for this.\n *\n * @private\n */\n destroy() {\n if (this.subs) {\n // clean subscriptions to avoid reconnections\n this.subs.forEach((subDestroy) => subDestroy());\n this.subs = undefined;\n }\n this.io[\"_destroy\"](this);\n }\n /**\n * Disconnects the socket manually. In that case, the socket will not try to reconnect.\n *\n * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"disconnect\", (reason) => {\n * // console.log(reason); prints \"io client disconnect\"\n * });\n *\n * socket.disconnect();\n *\n * @return self\n */\n disconnect() {\n if (this.connected) {\n this.packet({ type: PacketType.DISCONNECT });\n }\n // remove socket from pool\n this.destroy();\n if (this.connected) {\n // fire events\n this.onclose(\"io client disconnect\");\n }\n return this;\n }\n /**\n * Alias for {@link disconnect()}.\n *\n * @return self\n */\n close() {\n return this.disconnect();\n }\n /**\n * Sets the compress flag.\n *\n * @example\n * socket.compress(false).emit(\"hello\");\n *\n * @param compress - if `true`, compresses the sending data\n * @return self\n */\n compress(compress) {\n this.flags.compress = compress;\n return this;\n }\n /**\n * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not\n * ready to send messages.\n *\n * @example\n * socket.volatile.emit(\"hello\"); // the server may or may not receive it\n *\n * @returns self\n */\n get volatile() {\n this.flags.volatile = true;\n return this;\n }\n /**\n * Sets a modifier for a subsequent event emission that the callback will be called with an error when the\n * given number of milliseconds have elapsed without an acknowledgement from the server:\n *\n * @example\n * socket.timeout(5000).emit(\"my-event\", (err) => {\n * if (err) {\n * // the server did not acknowledge the event in the given delay\n * }\n * });\n *\n * @returns self\n */\n timeout(timeout) {\n this.flags.timeout = timeout;\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback.\n *\n * @example\n * socket.onAny((event, ...args) => {\n * console.log(`got ${event}`);\n * });\n *\n * @param listener\n */\n onAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.push(listener);\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback. The listener is added to the beginning of the listeners array.\n *\n * @example\n * socket.prependAny((event, ...args) => {\n * console.log(`got event ${event}`);\n * });\n *\n * @param listener\n */\n prependAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.unshift(listener);\n return this;\n }\n /**\n * Removes the listener that will be fired when any event is emitted.\n *\n * @example\n * const catchAllListener = (event, ...args) => {\n * console.log(`got event ${event}`);\n * }\n *\n * socket.onAny(catchAllListener);\n *\n * // remove a specific listener\n * socket.offAny(catchAllListener);\n *\n * // or remove all listeners\n * socket.offAny();\n *\n * @param listener\n */\n offAny(listener) {\n if (!this._anyListeners) {\n return this;\n }\n if (listener) {\n const listeners = this._anyListeners;\n for (let i = 0; i < listeners.length; i++) {\n if (listener === listeners[i]) {\n listeners.splice(i, 1);\n return this;\n }\n }\n }\n else {\n this._anyListeners = [];\n }\n return this;\n }\n /**\n * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,\n * e.g. to remove listeners.\n */\n listenersAny() {\n return this._anyListeners || [];\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback.\n *\n * Note: acknowledgements sent to the server are not included.\n *\n * @example\n * socket.onAnyOutgoing((event, ...args) => {\n * console.log(`sent event ${event}`);\n * });\n *\n * @param listener\n */\n onAnyOutgoing(listener) {\n this._anyOutgoingListeners = this._anyOutgoingListeners || [];\n this._anyOutgoingListeners.push(listener);\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback. The listener is added to the beginning of the listeners array.\n *\n * Note: acknowledgements sent to the server are not included.\n *\n * @example\n * socket.prependAnyOutgoing((event, ...args) => {\n * console.log(`sent event ${event}`);\n * });\n *\n * @param listener\n */\n prependAnyOutgoing(listener) {\n this._anyOutgoingListeners = this._anyOutgoingListeners || [];\n this._anyOutgoingListeners.unshift(listener);\n return this;\n }\n /**\n * Removes the listener that will be fired when any event is emitted.\n *\n * @example\n * const catchAllListener = (event, ...args) => {\n * console.log(`sent event ${event}`);\n * }\n *\n * socket.onAnyOutgoing(catchAllListener);\n *\n * // remove a specific listener\n * socket.offAnyOutgoing(catchAllListener);\n *\n * // or remove all listeners\n * socket.offAnyOutgoing();\n *\n * @param [listener] - the catch-all listener (optional)\n */\n offAnyOutgoing(listener) {\n if (!this._anyOutgoingListeners) {\n return this;\n }\n if (listener) {\n const listeners = this._anyOutgoingListeners;\n for (let i = 0; i < listeners.length; i++) {\n if (listener === listeners[i]) {\n listeners.splice(i, 1);\n return this;\n }\n }\n }\n else {\n this._anyOutgoingListeners = [];\n }\n return this;\n }\n /**\n * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,\n * e.g. to remove listeners.\n */\n listenersAnyOutgoing() {\n return this._anyOutgoingListeners || [];\n }\n /**\n * Notify the listeners for each packet sent\n *\n * @param packet\n *\n * @private\n */\n notifyOutgoingListeners(packet) {\n if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) {\n const listeners = this._anyOutgoingListeners.slice();\n for (const listener of listeners) {\n listener.apply(this, packet.data);\n }\n }\n }\n}\n","/**\n * Initialize backoff timer with `opts`.\n *\n * - `min` initial timeout in milliseconds [100]\n * - `max` max timeout [10000]\n * - `jitter` [0]\n * - `factor` [2]\n *\n * @param {Object} opts\n * @api public\n */\nexport function Backoff(opts) {\n opts = opts || {};\n this.ms = opts.min || 100;\n this.max = opts.max || 10000;\n this.factor = opts.factor || 2;\n this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;\n this.attempts = 0;\n}\n/**\n * Return the backoff duration.\n *\n * @return {Number}\n * @api public\n */\nBackoff.prototype.duration = function () {\n var ms = this.ms * Math.pow(this.factor, this.attempts++);\n if (this.jitter) {\n var rand = Math.random();\n var deviation = Math.floor(rand * this.jitter * ms);\n ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;\n }\n return Math.min(ms, this.max) | 0;\n};\n/**\n * Reset the number of attempts.\n *\n * @api public\n */\nBackoff.prototype.reset = function () {\n this.attempts = 0;\n};\n/**\n * Set the minimum duration\n *\n * @api public\n */\nBackoff.prototype.setMin = function (min) {\n this.ms = min;\n};\n/**\n * Set the maximum duration\n *\n * @api public\n */\nBackoff.prototype.setMax = function (max) {\n this.max = max;\n};\n/**\n * Set the jitter\n *\n * @api public\n */\nBackoff.prototype.setJitter = function (jitter) {\n this.jitter = jitter;\n};\n","import { Socket as Engine, installTimerFunctions, nextTick, } from \"engine.io-client\";\nimport { Socket } from \"./socket.js\";\nimport * as parser from \"socket.io-parser\";\nimport { on } from \"./on.js\";\nimport { Backoff } from \"./contrib/backo2.js\";\nimport { Emitter, } from \"@socket.io/component-emitter\";\nexport class Manager extends Emitter {\n constructor(uri, opts) {\n var _a;\n super();\n this.nsps = {};\n this.subs = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n opts.path = opts.path || \"/socket.io\";\n this.opts = opts;\n installTimerFunctions(this, opts);\n this.reconnection(opts.reconnection !== false);\n this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);\n this.reconnectionDelay(opts.reconnectionDelay || 1000);\n this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);\n this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5);\n this.backoff = new Backoff({\n min: this.reconnectionDelay(),\n max: this.reconnectionDelayMax(),\n jitter: this.randomizationFactor(),\n });\n this.timeout(null == opts.timeout ? 20000 : opts.timeout);\n this._readyState = \"closed\";\n this.uri = uri;\n const _parser = opts.parser || parser;\n this.encoder = new _parser.Encoder();\n this.decoder = new _parser.Decoder();\n this._autoConnect = opts.autoConnect !== false;\n if (this._autoConnect)\n this.open();\n }\n reconnection(v) {\n if (!arguments.length)\n return this._reconnection;\n this._reconnection = !!v;\n return this;\n }\n reconnectionAttempts(v) {\n if (v === undefined)\n return this._reconnectionAttempts;\n this._reconnectionAttempts = v;\n return this;\n }\n reconnectionDelay(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelay;\n this._reconnectionDelay = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v);\n return this;\n }\n randomizationFactor(v) {\n var _a;\n if (v === undefined)\n return this._randomizationFactor;\n this._randomizationFactor = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v);\n return this;\n }\n reconnectionDelayMax(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelayMax;\n this._reconnectionDelayMax = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v);\n return this;\n }\n timeout(v) {\n if (!arguments.length)\n return this._timeout;\n this._timeout = v;\n return this;\n }\n /**\n * Starts trying to reconnect if reconnection is enabled and we have not\n * started reconnecting yet\n *\n * @private\n */\n maybeReconnectOnOpen() {\n // Only try to reconnect if it's the first time we're connecting\n if (!this._reconnecting &&\n this._reconnection &&\n this.backoff.attempts === 0) {\n // keeps reconnection from firing twice for the same reconnection loop\n this.reconnect();\n }\n }\n /**\n * Sets the current transport `socket`.\n *\n * @param {Function} fn - optional, callback\n * @return self\n * @public\n */\n open(fn) {\n if (~this._readyState.indexOf(\"open\"))\n return this;\n this.engine = new Engine(this.uri, this.opts);\n const socket = this.engine;\n const self = this;\n this._readyState = \"opening\";\n this.skipReconnect = false;\n // emit `open`\n const openSubDestroy = on(socket, \"open\", function () {\n self.onopen();\n fn && fn();\n });\n const onError = (err) => {\n this.cleanup();\n this._readyState = \"closed\";\n this.emitReserved(\"error\", err);\n if (fn) {\n fn(err);\n }\n else {\n // Only do this if there is no fn to handle the error\n this.maybeReconnectOnOpen();\n }\n };\n // emit `error`\n const errorSub = on(socket, \"error\", onError);\n if (false !== this._timeout) {\n const timeout = this._timeout;\n // set timer\n const timer = this.setTimeoutFn(() => {\n openSubDestroy();\n onError(new Error(\"timeout\"));\n socket.close();\n }, timeout);\n if (this.opts.autoUnref) {\n timer.unref();\n }\n this.subs.push(() => {\n this.clearTimeoutFn(timer);\n });\n }\n this.subs.push(openSubDestroy);\n this.subs.push(errorSub);\n return this;\n }\n /**\n * Alias for open()\n *\n * @return self\n * @public\n */\n connect(fn) {\n return this.open(fn);\n }\n /**\n * Called upon transport open.\n *\n * @private\n */\n onopen() {\n // clear old subs\n this.cleanup();\n // mark as open\n this._readyState = \"open\";\n this.emitReserved(\"open\");\n // add new subs\n const socket = this.engine;\n this.subs.push(on(socket, \"ping\", this.onping.bind(this)), on(socket, \"data\", this.ondata.bind(this)), on(socket, \"error\", this.onerror.bind(this)), on(socket, \"close\", this.onclose.bind(this)), on(this.decoder, \"decoded\", this.ondecoded.bind(this)));\n }\n /**\n * Called upon a ping.\n *\n * @private\n */\n onping() {\n this.emitReserved(\"ping\");\n }\n /**\n * Called with data.\n *\n * @private\n */\n ondata(data) {\n try {\n this.decoder.add(data);\n }\n catch (e) {\n this.onclose(\"parse error\", e);\n }\n }\n /**\n * Called when parser fully decodes a packet.\n *\n * @private\n */\n ondecoded(packet) {\n // the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a \"parse error\"\n nextTick(() => {\n this.emitReserved(\"packet\", packet);\n }, this.setTimeoutFn);\n }\n /**\n * Called upon socket error.\n *\n * @private\n */\n onerror(err) {\n this.emitReserved(\"error\", err);\n }\n /**\n * Creates a new socket for the given `nsp`.\n *\n * @return {Socket}\n * @public\n */\n socket(nsp, opts) {\n let socket = this.nsps[nsp];\n if (!socket) {\n socket = new Socket(this, nsp, opts);\n this.nsps[nsp] = socket;\n }\n else if (this._autoConnect && !socket.active) {\n socket.connect();\n }\n return socket;\n }\n /**\n * Called upon a socket close.\n *\n * @param socket\n * @private\n */\n _destroy(socket) {\n const nsps = Object.keys(this.nsps);\n for (const nsp of nsps) {\n const socket = this.nsps[nsp];\n if (socket.active) {\n return;\n }\n }\n this._close();\n }\n /**\n * Writes a packet.\n *\n * @param packet\n * @private\n */\n _packet(packet) {\n const encodedPackets = this.encoder.encode(packet);\n for (let i = 0; i < encodedPackets.length; i++) {\n this.engine.write(encodedPackets[i], packet.options);\n }\n }\n /**\n * Clean up transport subscriptions and packet buffer.\n *\n * @private\n */\n cleanup() {\n this.subs.forEach((subDestroy) => subDestroy());\n this.subs.length = 0;\n this.decoder.destroy();\n }\n /**\n * Close the current socket.\n *\n * @private\n */\n _close() {\n this.skipReconnect = true;\n this._reconnecting = false;\n this.onclose(\"forced close\");\n if (this.engine)\n this.engine.close();\n }\n /**\n * Alias for close()\n *\n * @private\n */\n disconnect() {\n return this._close();\n }\n /**\n * Called upon engine close.\n *\n * @private\n */\n onclose(reason, description) {\n this.cleanup();\n this.backoff.reset();\n this._readyState = \"closed\";\n this.emitReserved(\"close\", reason, description);\n if (this._reconnection && !this.skipReconnect) {\n this.reconnect();\n }\n }\n /**\n * Attempt a reconnection.\n *\n * @private\n */\n reconnect() {\n if (this._reconnecting || this.skipReconnect)\n return this;\n const self = this;\n if (this.backoff.attempts >= this._reconnectionAttempts) {\n this.backoff.reset();\n this.emitReserved(\"reconnect_failed\");\n this._reconnecting = false;\n }\n else {\n const delay = this.backoff.duration();\n this._reconnecting = true;\n const timer = this.setTimeoutFn(() => {\n if (self.skipReconnect)\n return;\n this.emitReserved(\"reconnect_attempt\", self.backoff.attempts);\n // check again for the case socket closed in above events\n if (self.skipReconnect)\n return;\n self.open((err) => {\n if (err) {\n self._reconnecting = false;\n self.reconnect();\n this.emitReserved(\"reconnect_error\", err);\n }\n else {\n self.onreconnect();\n }\n });\n }, delay);\n if (this.opts.autoUnref) {\n timer.unref();\n }\n this.subs.push(() => {\n this.clearTimeoutFn(timer);\n });\n }\n }\n /**\n * Called upon successful reconnect.\n *\n * @private\n */\n onreconnect() {\n const attempt = this.backoff.attempts;\n this._reconnecting = false;\n this.backoff.reset();\n this.emitReserved(\"reconnect\", attempt);\n }\n}\n","import { url } from \"./url.js\";\nimport { Manager } from \"./manager.js\";\nimport { Socket } from \"./socket.js\";\n/**\n * Managers cache.\n */\nconst cache = {};\nfunction lookup(uri, opts) {\n if (typeof uri === \"object\") {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n const parsed = url(uri, opts.path || \"/socket.io\");\n const source = parsed.source;\n const id = parsed.id;\n const path = parsed.path;\n const sameNamespace = cache[id] && path in cache[id][\"nsps\"];\n const newConnection = opts.forceNew ||\n opts[\"force new connection\"] ||\n false === opts.multiplex ||\n sameNamespace;\n let io;\n if (newConnection) {\n io = new Manager(source, opts);\n }\n else {\n if (!cache[id]) {\n cache[id] = new Manager(source, opts);\n }\n io = cache[id];\n }\n if (parsed.query && 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this.subs.push(i),this.subs.push(s),this}},{key:"connect",value:function(t){return this.open(t)}},{key:"onopen",value:function(){this.cleanup(),this._readyState="open",this.emitReserved("open");var t=this.engine;this.subs.push(jt(t,"ping",this.onping.bind(this)),jt(t,"data",this.ondata.bind(this)),jt(t,"error",this.onerror.bind(this)),jt(t,"close",this.onclose.bind(this)),jt(this.decoder,"decoded",this.ondecoded.bind(this)))}},{key:"onping",value:function(){this.emitReserved("ping")}},{key:"ondata",value:function(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}}},{key:"ondecoded",value:function(t){var e=this;ut((function(){e.emitReserved("packet",t)}),this.setTimeoutFn)}},{key:"onerror",value:function(t){this.emitReserved("error",t)}},{key:"socket",value:function(t,e){var n=this.nsps[t];return n?this._autoConnect&&!n.active&&n.connect():(n=new Ut(this,t,e),this.nsps[t]=n),n}},{key:"_destroy",value:function(t){for(var e=0,n=Object.keys(this.nsps);e=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{var n=this.backoff.duration();this._reconnecting=!0;var r=this.setTimeoutFn((function(){e.skipReconnect||(t.emitReserved("reconnect_attempt",e.backoff.attempts),e.skipReconnect||e.open((function(n){n?(e._reconnecting=!1,e.reconnect(),t.emitReserved("reconnect_error",n)):e.onreconnect()})))}),n);this.opts.autoUnref&&r.unref(),this.subs.push((function(){t.clearTimeoutFn(r)}))}}},{key:"onreconnect",value:function(){var t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}]),s}(U),Mt={};function Vt(e,n){"object"===t(e)&&(n=e,e=void 0);var r,i=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"",n=arguments.length>2?arguments[2]:void 0,r=t;n=n||"undefined"!=typeof location&&location,null==t&&(t=n.protocol+"//"+n.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?n.protocol+t:n.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==n?n.protocol+"//"+t:"https://"+t),r=vt(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";var i=-1!==r.host.indexOf(":")?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+i+":"+r.port+e,r.href=r.protocol+"://"+i+(n&&n.port===r.port?"":":"+r.port),r}(e,(n=n||{}).path||"/socket.io"),o=i.source,s=i.id,a=i.path,u=Mt[s]&&a in Mt[s].nsps;return n.forceNew||n["force new connection"]||!1===n.multiplex||u?r=new Ft(o,n):(Mt[s]||(Mt[s]=new Ft(o,n)),r=Mt[s]),i.query&&!n.query&&(n.query=i.queryKey),r.socket(i.path,n)}return i(Vt,{Manager:Ft,Socket:Ut,io:Vt,connect:Vt}),Vt})); +//# sourceMappingURL=socket.io.min.js.map diff --git a/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.min.js.map b/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.min.js.map new file mode 100644 index 00000000..6a27b095 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.min.js.map @@ -0,0 +1 @@ +{"version":3,"file":"socket.io.min.js","sources":["../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/commons.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/encodePacket.browser.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/index.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/decodePacket.browser.js","../node_modules/@socket.io/component-emitter/index.mjs","../node_modules/engine.io-client/build/esm/globalThis.browser.js","../node_modules/engine.io-client/build/esm/util.js","../node_modules/engine.io-client/build/esm/transport.js","../node_modules/engine.io-client/build/esm/contrib/yeast.js","../node_modules/engine.io-client/build/esm/contrib/parseqs.js","../node_modules/engine.io-client/build/esm/contrib/has-cors.js","../node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.js","../node_modules/engine.io-client/build/esm/transports/polling.js","../node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.js","../node_modules/engine.io-client/build/esm/transports/websocket.js","../node_modules/engine.io-client/build/esm/transports/webtransport.js","../node_modules/engine.io-client/build/esm/transports/index.js","../node_modules/engine.io-client/build/esm/contrib/parseuri.js","../node_modules/engine.io-client/build/esm/socket.js","../node_modules/engine.io-client/build/esm/index.js","../node_modules/socket.io-parser/build/esm/is-binary.js","../node_modules/socket.io-parser/build/esm/binary.js","../node_modules/socket.io-parser/build/esm/index.js","../build/esm/on.js","../build/esm/socket.js","../build/esm/contrib/backo2.js","../build/esm/manager.js","../build/esm/index.js","../build/esm/url.js"],"sourcesContent":["const PACKET_TYPES = Object.create(null); // no Map = no polyfill\nPACKET_TYPES[\"open\"] = \"0\";\nPACKET_TYPES[\"close\"] = \"1\";\nPACKET_TYPES[\"ping\"] = \"2\";\nPACKET_TYPES[\"pong\"] = \"3\";\nPACKET_TYPES[\"message\"] = \"4\";\nPACKET_TYPES[\"upgrade\"] = \"5\";\nPACKET_TYPES[\"noop\"] = \"6\";\nconst PACKET_TYPES_REVERSE = Object.create(null);\nObject.keys(PACKET_TYPES).forEach(key => {\n PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;\n});\nconst ERROR_PACKET = { type: \"error\", data: \"parser error\" };\nexport { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET };\n","import { PACKET_TYPES } from \"./commons.js\";\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n Object.prototype.toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\n// ArrayBuffer.isView method is not defined in IE10\nconst isView = obj => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj && obj.buffer instanceof ArrayBuffer;\n};\nconst encodePacket = ({ type, data }, supportsBinary, callback) => {\n if (withNativeBlob && data instanceof Blob) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(data, callback);\n }\n }\n else if (withNativeArrayBuffer &&\n (data instanceof ArrayBuffer || isView(data))) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(new Blob([data]), callback);\n }\n }\n // plain string\n return callback(PACKET_TYPES[type] + (data || \"\"));\n};\nconst encodeBlobAsBase64 = (data, callback) => {\n const fileReader = new FileReader();\n fileReader.onload = function () {\n const content = fileReader.result.split(\",\")[1];\n callback(\"b\" + (content || \"\"));\n };\n return fileReader.readAsDataURL(data);\n};\nfunction toArray(data) {\n if (data instanceof Uint8Array) {\n return data;\n }\n else if (data instanceof ArrayBuffer) {\n return new Uint8Array(data);\n }\n else {\n return new Uint8Array(data.buffer, data.byteOffset, data.byteLength);\n }\n}\nlet TEXT_ENCODER;\nexport function encodePacketToBinary(packet, callback) {\n if (withNativeBlob && packet.data instanceof Blob) {\n return packet.data\n .arrayBuffer()\n .then(toArray)\n .then(callback);\n }\n else if (withNativeArrayBuffer &&\n (packet.data instanceof ArrayBuffer || isView(packet.data))) {\n return callback(toArray(packet.data));\n }\n encodePacket(packet, false, encoded => {\n if (!TEXT_ENCODER) {\n TEXT_ENCODER = new TextEncoder();\n }\n callback(TEXT_ENCODER.encode(encoded));\n });\n}\nexport { encodePacket };\n","// imported from https://github.com/socketio/base64-arraybuffer\nconst chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\n// Use a lookup table to find the index.\nconst lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256);\nfor (let i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n}\nexport const encode = (arraybuffer) => {\n let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = '';\n for (i = 0; i < len; i += 3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n if (len % 3 === 2) {\n base64 = base64.substring(0, base64.length - 1) + '=';\n }\n else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + '==';\n }\n return base64;\n};\nexport const decode = (base64) => {\n let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;\n if (base64[base64.length - 1] === '=') {\n bufferLength--;\n if (base64[base64.length - 2] === '=') {\n bufferLength--;\n }\n }\n const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);\n for (i = 0; i < len; i += 4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i + 1)];\n encoded3 = lookup[base64.charCodeAt(i + 2)];\n encoded4 = lookup[base64.charCodeAt(i + 3)];\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n return arraybuffer;\n};\n","import { encodePacket, encodePacketToBinary } from \"./encodePacket.js\";\nimport { decodePacket } from \"./decodePacket.js\";\nimport { ERROR_PACKET } from \"./commons.js\";\nconst SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text\nconst encodePayload = (packets, callback) => {\n // some packets may be added to the array while encoding, so the initial length must be saved\n const length = packets.length;\n const encodedPackets = new Array(length);\n let count = 0;\n packets.forEach((packet, i) => {\n // force base64 encoding for binary packets\n encodePacket(packet, false, encodedPacket => {\n encodedPackets[i] = encodedPacket;\n if (++count === length) {\n callback(encodedPackets.join(SEPARATOR));\n }\n });\n });\n};\nconst decodePayload = (encodedPayload, binaryType) => {\n const encodedPackets = encodedPayload.split(SEPARATOR);\n const packets = [];\n for (let i = 0; i < encodedPackets.length; i++) {\n const decodedPacket = decodePacket(encodedPackets[i], binaryType);\n packets.push(decodedPacket);\n if (decodedPacket.type === \"error\") {\n break;\n }\n }\n return packets;\n};\nexport function createPacketEncoderStream() {\n return new TransformStream({\n transform(packet, controller) {\n encodePacketToBinary(packet, encodedPacket => {\n const payloadLength = encodedPacket.length;\n let header;\n // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length\n if (payloadLength < 126) {\n header = new Uint8Array(1);\n new DataView(header.buffer).setUint8(0, payloadLength);\n }\n else if (payloadLength < 65536) {\n header = new Uint8Array(3);\n const view = new DataView(header.buffer);\n view.setUint8(0, 126);\n view.setUint16(1, payloadLength);\n }\n else {\n header = new Uint8Array(9);\n const view = new DataView(header.buffer);\n view.setUint8(0, 127);\n view.setBigUint64(1, BigInt(payloadLength));\n }\n // first bit indicates whether the payload is plain text (0) or binary (1)\n if (packet.data && typeof packet.data !== \"string\") {\n header[0] |= 0x80;\n }\n controller.enqueue(header);\n controller.enqueue(encodedPacket);\n });\n }\n });\n}\nlet TEXT_DECODER;\nfunction totalLength(chunks) {\n return chunks.reduce((acc, chunk) => acc + chunk.length, 0);\n}\nfunction concatChunks(chunks, size) {\n if (chunks[0].length === size) {\n return chunks.shift();\n }\n const buffer = new Uint8Array(size);\n let j = 0;\n for (let i = 0; i < size; i++) {\n buffer[i] = chunks[0][j++];\n if (j === chunks[0].length) {\n chunks.shift();\n j = 0;\n }\n }\n if (chunks.length && j < chunks[0].length) {\n chunks[0] = chunks[0].slice(j);\n }\n return buffer;\n}\nexport function createPacketDecoderStream(maxPayload, binaryType) {\n if (!TEXT_DECODER) {\n TEXT_DECODER = new TextDecoder();\n }\n const chunks = [];\n let state = 0 /* READ_HEADER */;\n let expectedLength = -1;\n let isBinary = false;\n return new TransformStream({\n transform(chunk, controller) {\n chunks.push(chunk);\n while (true) {\n if (state === 0 /* READ_HEADER */) {\n if (totalLength(chunks) < 1) {\n break;\n }\n const header = concatChunks(chunks, 1);\n isBinary = (header[0] & 0x80) === 0x80;\n expectedLength = header[0] & 0x7f;\n if (expectedLength < 126) {\n state = 3 /* READ_PAYLOAD */;\n }\n else if (expectedLength === 126) {\n state = 1 /* READ_EXTENDED_LENGTH_16 */;\n }\n else {\n state = 2 /* READ_EXTENDED_LENGTH_64 */;\n }\n }\n else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) {\n if (totalLength(chunks) < 2) {\n break;\n }\n const headerArray = concatChunks(chunks, 2);\n expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0);\n state = 3 /* READ_PAYLOAD */;\n }\n else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) {\n if (totalLength(chunks) < 8) {\n break;\n }\n const headerArray = concatChunks(chunks, 8);\n const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length);\n const n = view.getUint32(0);\n if (n > Math.pow(2, 53 - 32) - 1) {\n // the maximum safe integer in JavaScript is 2^53 - 1\n controller.enqueue(ERROR_PACKET);\n break;\n }\n expectedLength = n * Math.pow(2, 32) + view.getUint32(4);\n state = 3 /* READ_PAYLOAD */;\n }\n else {\n if (totalLength(chunks) < expectedLength) {\n break;\n }\n const data = concatChunks(chunks, expectedLength);\n controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType));\n state = 0 /* READ_HEADER */;\n }\n if (expectedLength === 0 || expectedLength > maxPayload) {\n controller.enqueue(ERROR_PACKET);\n break;\n }\n }\n }\n });\n}\nexport const protocol = 4;\nexport { encodePacket, encodePayload, decodePacket, decodePayload };\n","import { ERROR_PACKET, PACKET_TYPES_REVERSE } from \"./commons.js\";\nimport { decode } from \"./contrib/base64-arraybuffer.js\";\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nexport const decodePacket = (encodedPacket, binaryType) => {\n if (typeof encodedPacket !== \"string\") {\n return {\n type: \"message\",\n data: mapBinary(encodedPacket, binaryType)\n };\n }\n const type = encodedPacket.charAt(0);\n if (type === \"b\") {\n return {\n type: \"message\",\n data: decodeBase64Packet(encodedPacket.substring(1), binaryType)\n };\n }\n const packetType = PACKET_TYPES_REVERSE[type];\n if (!packetType) {\n return ERROR_PACKET;\n }\n return encodedPacket.length > 1\n ? {\n type: PACKET_TYPES_REVERSE[type],\n data: encodedPacket.substring(1)\n }\n : {\n type: PACKET_TYPES_REVERSE[type]\n };\n};\nconst decodeBase64Packet = (data, binaryType) => {\n if (withNativeArrayBuffer) {\n const decoded = decode(data);\n return mapBinary(decoded, binaryType);\n }\n else {\n return { base64: true, data }; // fallback for old browsers\n }\n};\nconst mapBinary = (data, binaryType) => {\n switch (binaryType) {\n case \"blob\":\n if (data instanceof Blob) {\n // from WebSocket + binaryType \"blob\"\n return data;\n }\n else {\n // from HTTP long-polling or WebTransport\n return new Blob([data]);\n }\n case \"arraybuffer\":\n default:\n if (data instanceof ArrayBuffer) {\n // from HTTP long-polling (base64) or WebSocket + binaryType \"arraybuffer\"\n return data;\n }\n else {\n // from WebTransport (Uint8Array)\n return data.buffer;\n }\n }\n};\n","/**\n * Initialize a new `Emitter`.\n *\n * @api public\n */\n\nexport function Emitter(obj) {\n if (obj) return mixin(obj);\n}\n\n/**\n * Mixin the emitter properties.\n *\n * @param {Object} obj\n * @return {Object}\n * @api private\n */\n\nfunction mixin(obj) {\n for (var key in Emitter.prototype) {\n obj[key] = Emitter.prototype[key];\n }\n return obj;\n}\n\n/**\n * Listen on the given `event` with `fn`.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.on =\nEmitter.prototype.addEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\n .push(fn);\n return this;\n};\n\n/**\n * Adds an `event` listener that will be invoked a single\n * time then automatically removed.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.once = function(event, fn){\n function on() {\n this.off(event, on);\n fn.apply(this, arguments);\n }\n\n on.fn = fn;\n this.on(event, on);\n return this;\n};\n\n/**\n * Remove the given callback for `event` or all\n * registered callbacks.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.off =\nEmitter.prototype.removeListener =\nEmitter.prototype.removeAllListeners =\nEmitter.prototype.removeEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n\n // all\n if (0 == arguments.length) {\n this._callbacks = {};\n return this;\n }\n\n // specific event\n var callbacks = this._callbacks['$' + event];\n if (!callbacks) return this;\n\n // remove all handlers\n if (1 == arguments.length) {\n delete this._callbacks['$' + event];\n return this;\n }\n\n // remove specific handler\n var cb;\n for (var i = 0; i < callbacks.length; i++) {\n cb = callbacks[i];\n if (cb === fn || cb.fn === fn) {\n callbacks.splice(i, 1);\n break;\n }\n }\n\n // Remove event specific arrays for event types that no\n // one is subscribed for to avoid memory leak.\n if (callbacks.length === 0) {\n delete this._callbacks['$' + event];\n }\n\n return this;\n};\n\n/**\n * Emit `event` with the given args.\n *\n * @param {String} event\n * @param {Mixed} ...\n * @return {Emitter}\n */\n\nEmitter.prototype.emit = function(event){\n this._callbacks = this._callbacks || {};\n\n var args = new Array(arguments.length - 1)\n , callbacks = this._callbacks['$' + event];\n\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n\n if (callbacks) {\n callbacks = callbacks.slice(0);\n for (var i = 0, len = callbacks.length; i < len; ++i) {\n callbacks[i].apply(this, args);\n }\n }\n\n return this;\n};\n\n// alias used for reserved events (protected method)\nEmitter.prototype.emitReserved = Emitter.prototype.emit;\n\n/**\n * Return array of callbacks for `event`.\n *\n * @param {String} event\n * @return {Array}\n * @api public\n */\n\nEmitter.prototype.listeners = function(event){\n this._callbacks = this._callbacks || {};\n return this._callbacks['$' + event] || [];\n};\n\n/**\n * Check if this emitter has `event` handlers.\n *\n * @param {String} event\n * @return {Boolean}\n * @api public\n */\n\nEmitter.prototype.hasListeners = function(event){\n return !! this.listeners(event).length;\n};\n","export const globalThisShim = (() => {\n if (typeof self !== \"undefined\") {\n return self;\n }\n else if (typeof window !== \"undefined\") {\n return window;\n }\n else {\n return Function(\"return this\")();\n }\n})();\n","import { globalThisShim as globalThis } from \"./globalThis.js\";\nexport function pick(obj, ...attr) {\n return attr.reduce((acc, k) => {\n if (obj.hasOwnProperty(k)) {\n acc[k] = obj[k];\n }\n return acc;\n }, {});\n}\n// Keep a reference to the real timeout functions so they can be used when overridden\nconst NATIVE_SET_TIMEOUT = globalThis.setTimeout;\nconst NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout;\nexport function installTimerFunctions(obj, opts) {\n if (opts.useNativeTimers) {\n obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis);\n obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis);\n }\n else {\n obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis);\n obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis);\n }\n}\n// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64)\nconst BASE64_OVERHEAD = 1.33;\n// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9\nexport function byteLength(obj) {\n if (typeof obj === \"string\") {\n return utf8Length(obj);\n }\n // arraybuffer or blob\n return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD);\n}\nfunction utf8Length(str) {\n let c = 0, length = 0;\n for (let i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n length += 1;\n }\n else if (c < 0x800) {\n length += 2;\n }\n else if (c < 0xd800 || c >= 0xe000) {\n length += 3;\n }\n else {\n i++;\n length += 4;\n }\n }\n return length;\n}\n","import { decodePacket } from \"engine.io-parser\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions } from \"./util.js\";\nimport { encode } from \"./contrib/parseqs.js\";\nclass TransportError extends Error {\n constructor(reason, description, context) {\n super(reason);\n this.description = description;\n this.context = context;\n this.type = \"TransportError\";\n }\n}\nexport class Transport extends Emitter {\n /**\n * Transport abstract constructor.\n *\n * @param {Object} opts - options\n * @protected\n */\n constructor(opts) {\n super();\n this.writable = false;\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.query = opts.query;\n this.socket = opts.socket;\n }\n /**\n * Emits an error.\n *\n * @param {String} reason\n * @param description\n * @param context - the error context\n * @return {Transport} for chaining\n * @protected\n */\n onError(reason, description, context) {\n super.emitReserved(\"error\", new TransportError(reason, description, context));\n return this;\n }\n /**\n * Opens the transport.\n */\n open() {\n this.readyState = \"opening\";\n this.doOpen();\n return this;\n }\n /**\n * Closes the transport.\n */\n close() {\n if (this.readyState === \"opening\" || this.readyState === \"open\") {\n this.doClose();\n this.onClose();\n }\n return this;\n }\n /**\n * Sends multiple packets.\n *\n * @param {Array} packets\n */\n send(packets) {\n if (this.readyState === \"open\") {\n this.write(packets);\n }\n else {\n // this might happen if the transport was silently closed in the beforeunload event handler\n }\n }\n /**\n * Called upon open\n *\n * @protected\n */\n onOpen() {\n this.readyState = \"open\";\n this.writable = true;\n super.emitReserved(\"open\");\n }\n /**\n * Called with data.\n *\n * @param {String} data\n * @protected\n */\n onData(data) {\n const packet = decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n }\n /**\n * Called with a decoded packet.\n *\n * @protected\n */\n onPacket(packet) {\n super.emitReserved(\"packet\", packet);\n }\n /**\n * Called upon close.\n *\n * @protected\n */\n onClose(details) {\n this.readyState = \"closed\";\n super.emitReserved(\"close\", details);\n }\n /**\n * Pauses the transport, in order not to lose packets during an upgrade.\n *\n * @param onPause\n */\n pause(onPause) { }\n createUri(schema, query = {}) {\n return (schema +\n \"://\" +\n this._hostname() +\n this._port() +\n this.opts.path +\n this._query(query));\n }\n _hostname() {\n const hostname = this.opts.hostname;\n return hostname.indexOf(\":\") === -1 ? hostname : \"[\" + hostname + \"]\";\n }\n _port() {\n if (this.opts.port &&\n ((this.opts.secure && Number(this.opts.port !== 443)) ||\n (!this.opts.secure && Number(this.opts.port) !== 80))) {\n return \":\" + this.opts.port;\n }\n else {\n return \"\";\n }\n }\n _query(query) {\n const encodedQuery = encode(query);\n return encodedQuery.length ? \"?\" + encodedQuery : \"\";\n }\n}\n","// imported from https://github.com/unshiftio/yeast\n'use strict';\nconst alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {};\nlet seed = 0, i = 0, prev;\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nexport function encode(num) {\n let encoded = '';\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n return encoded;\n}\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nexport function decode(str) {\n let decoded = 0;\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n return decoded;\n}\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nexport function yeast() {\n const now = encode(+new Date());\n if (now !== prev)\n return seed = 0, prev = now;\n return now + '.' + encode(seed++);\n}\n//\n// Map each character to its index.\n//\nfor (; i < length; i++)\n map[alphabet[i]] = i;\n","// imported from https://github.com/galkn/querystring\n/**\n * Compiles a querystring\n * Returns string representation of the object\n *\n * @param {Object}\n * @api private\n */\nexport function encode(obj) {\n let str = '';\n for (let i in obj) {\n if (obj.hasOwnProperty(i)) {\n if (str.length)\n str += '&';\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\n }\n }\n return str;\n}\n/**\n * Parses a simple querystring into an object\n *\n * @param {String} qs\n * @api private\n */\nexport function decode(qs) {\n let qry = {};\n let pairs = qs.split('&');\n for (let i = 0, l = pairs.length; i < l; i++) {\n let pair = pairs[i].split('=');\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n }\n return qry;\n}\n","// imported from https://github.com/component/has-cors\nlet value = false;\ntry {\n value = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n}\ncatch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n}\nexport const hasCORS = value;\n","// browser shim for xmlhttprequest module\nimport { hasCORS } from \"../contrib/has-cors.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nexport function XHR(opts) {\n const xdomain = opts.xdomain;\n // XMLHttpRequest can be disabled on IE\n try {\n if (\"undefined\" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n }\n catch (e) { }\n if (!xdomain) {\n try {\n return new globalThis[[\"Active\"].concat(\"Object\").join(\"X\")](\"Microsoft.XMLHTTP\");\n }\n catch (e) { }\n }\n}\nexport function createCookieJar() { }\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { encodePayload, decodePayload } from \"engine.io-parser\";\nimport { createCookieJar, XHR as XMLHttpRequest, } from \"./xmlhttprequest.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions, pick } from \"../util.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nfunction empty() { }\nconst hasXHR2 = (function () {\n const xhr = new XMLHttpRequest({\n xdomain: false,\n });\n return null != xhr.responseType;\n})();\nexport class Polling extends Transport {\n /**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @package\n */\n constructor(opts) {\n super(opts);\n this.polling = false;\n if (typeof location !== \"undefined\") {\n const isSSL = \"https:\" === location.protocol;\n let port = location.port;\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? \"443\" : \"80\";\n }\n this.xd =\n (typeof location !== \"undefined\" &&\n opts.hostname !== location.hostname) ||\n port !== opts.port;\n }\n /**\n * XHR supports binary\n */\n const forceBase64 = opts && opts.forceBase64;\n this.supportsBinary = hasXHR2 && !forceBase64;\n if (this.opts.withCredentials) {\n this.cookieJar = createCookieJar();\n }\n }\n get name() {\n return \"polling\";\n }\n /**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @protected\n */\n doOpen() {\n this.poll();\n }\n /**\n * Pauses polling.\n *\n * @param {Function} onPause - callback upon buffers are flushed and transport is paused\n * @package\n */\n pause(onPause) {\n this.readyState = \"pausing\";\n const pause = () => {\n this.readyState = \"paused\";\n onPause();\n };\n if (this.polling || !this.writable) {\n let total = 0;\n if (this.polling) {\n total++;\n this.once(\"pollComplete\", function () {\n --total || pause();\n });\n }\n if (!this.writable) {\n total++;\n this.once(\"drain\", function () {\n --total || pause();\n });\n }\n }\n else {\n pause();\n }\n }\n /**\n * Starts polling cycle.\n *\n * @private\n */\n poll() {\n this.polling = true;\n this.doPoll();\n this.emitReserved(\"poll\");\n }\n /**\n * Overloads onData to detect payloads.\n *\n * @protected\n */\n onData(data) {\n const callback = (packet) => {\n // if its the first message we consider the transport open\n if (\"opening\" === this.readyState && packet.type === \"open\") {\n this.onOpen();\n }\n // if its a close packet, we close the ongoing requests\n if (\"close\" === packet.type) {\n this.onClose({ description: \"transport closed by the server\" });\n return false;\n }\n // otherwise bypass onData and handle the message\n this.onPacket(packet);\n };\n // decode payload\n decodePayload(data, this.socket.binaryType).forEach(callback);\n // if an event did not trigger closing\n if (\"closed\" !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emitReserved(\"pollComplete\");\n if (\"open\" === this.readyState) {\n this.poll();\n }\n else {\n }\n }\n }\n /**\n * For polling, send a close packet.\n *\n * @protected\n */\n doClose() {\n const close = () => {\n this.write([{ type: \"close\" }]);\n };\n if (\"open\" === this.readyState) {\n close();\n }\n else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n this.once(\"open\", close);\n }\n }\n /**\n * Writes a packets payload.\n *\n * @param {Array} packets - data packets\n * @protected\n */\n write(packets) {\n this.writable = false;\n encodePayload(packets, (data) => {\n this.doWrite(data, () => {\n this.writable = true;\n this.emitReserved(\"drain\");\n });\n });\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"https\" : \"http\";\n const query = this.query || {};\n // cache busting is forced\n if (false !== this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Creates a request.\n *\n * @param {String} method\n * @private\n */\n request(opts = {}) {\n Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts);\n return new Request(this.uri(), opts);\n }\n /**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @private\n */\n doWrite(data, fn) {\n const req = this.request({\n method: \"POST\",\n data: data,\n });\n req.on(\"success\", fn);\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr post error\", xhrStatus, context);\n });\n }\n /**\n * Starts a poll cycle.\n *\n * @private\n */\n doPoll() {\n const req = this.request();\n req.on(\"data\", this.onData.bind(this));\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr poll error\", xhrStatus, context);\n });\n this.pollXhr = req;\n }\n}\nexport class Request extends Emitter {\n /**\n * Request constructor\n *\n * @param {Object} options\n * @package\n */\n constructor(uri, opts) {\n super();\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.method = opts.method || \"GET\";\n this.uri = uri;\n this.data = undefined !== opts.data ? opts.data : null;\n this.create();\n }\n /**\n * Creates the XHR object and sends the request.\n *\n * @private\n */\n create() {\n var _a;\n const opts = pick(this.opts, \"agent\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"autoUnref\");\n opts.xdomain = !!this.opts.xd;\n const xhr = (this.xhr = new XMLHttpRequest(opts));\n try {\n xhr.open(this.method, this.uri, true);\n try {\n if (this.opts.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (let i in this.opts.extraHeaders) {\n if (this.opts.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.opts.extraHeaders[i]);\n }\n }\n }\n }\n catch (e) { }\n if (\"POST\" === this.method) {\n try {\n xhr.setRequestHeader(\"Content-type\", \"text/plain;charset=UTF-8\");\n }\n catch (e) { }\n }\n try {\n xhr.setRequestHeader(\"Accept\", \"*/*\");\n }\n catch (e) { }\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr);\n // ie6 check\n if (\"withCredentials\" in xhr) {\n xhr.withCredentials = this.opts.withCredentials;\n }\n if (this.opts.requestTimeout) {\n xhr.timeout = this.opts.requestTimeout;\n }\n xhr.onreadystatechange = () => {\n var _a;\n if (xhr.readyState === 3) {\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr);\n }\n if (4 !== xhr.readyState)\n return;\n if (200 === xhr.status || 1223 === xhr.status) {\n this.onLoad();\n }\n else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n this.setTimeoutFn(() => {\n this.onError(typeof xhr.status === \"number\" ? xhr.status : 0);\n }, 0);\n }\n };\n xhr.send(this.data);\n }\n catch (e) {\n // Need to defer since .create() is called directly from the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n this.setTimeoutFn(() => {\n this.onError(e);\n }, 0);\n return;\n }\n if (typeof document !== \"undefined\") {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n }\n /**\n * Called upon error.\n *\n * @private\n */\n onError(err) {\n this.emitReserved(\"error\", err, this.xhr);\n this.cleanup(true);\n }\n /**\n * Cleans up house.\n *\n * @private\n */\n cleanup(fromError) {\n if (\"undefined\" === typeof this.xhr || null === this.xhr) {\n return;\n }\n this.xhr.onreadystatechange = empty;\n if (fromError) {\n try {\n this.xhr.abort();\n }\n catch (e) { }\n }\n if (typeof document !== \"undefined\") {\n delete Request.requests[this.index];\n }\n this.xhr = null;\n }\n /**\n * Called upon load.\n *\n * @private\n */\n onLoad() {\n const data = this.xhr.responseText;\n if (data !== null) {\n this.emitReserved(\"data\", data);\n this.emitReserved(\"success\");\n this.cleanup();\n }\n }\n /**\n * Aborts the request.\n *\n * @package\n */\n abort() {\n this.cleanup();\n }\n}\nRequest.requestsCount = 0;\nRequest.requests = {};\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\nif (typeof document !== \"undefined\") {\n // @ts-ignore\n if (typeof attachEvent === \"function\") {\n // @ts-ignore\n attachEvent(\"onunload\", unloadHandler);\n }\n else if (typeof addEventListener === \"function\") {\n const terminationEvent = \"onpagehide\" in globalThis ? \"pagehide\" : \"unload\";\n addEventListener(terminationEvent, unloadHandler, false);\n }\n}\nfunction unloadHandler() {\n for (let i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n","import { globalThisShim as globalThis } from \"../globalThis.js\";\nexport const nextTick = (() => {\n const isPromiseAvailable = typeof Promise === \"function\" && typeof Promise.resolve === \"function\";\n if (isPromiseAvailable) {\n return (cb) => Promise.resolve().then(cb);\n }\n else {\n return (cb, setTimeoutFn) => setTimeoutFn(cb, 0);\n }\n})();\nexport const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket;\nexport const usingBrowserWebSocket = true;\nexport const defaultBinaryType = \"arraybuffer\";\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { pick } from \"../util.js\";\nimport { nextTick, usingBrowserWebSocket, WebSocket, } from \"./websocket-constructor.js\";\nimport { encodePacket } from \"engine.io-parser\";\n// detect ReactNative environment\nconst isReactNative = typeof navigator !== \"undefined\" &&\n typeof navigator.product === \"string\" &&\n navigator.product.toLowerCase() === \"reactnative\";\nexport class WS extends Transport {\n /**\n * WebSocket transport constructor.\n *\n * @param {Object} opts - connection options\n * @protected\n */\n constructor(opts) {\n super(opts);\n this.supportsBinary = !opts.forceBase64;\n }\n get name() {\n return \"websocket\";\n }\n doOpen() {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n const uri = this.uri();\n const protocols = this.opts.protocols;\n // React Native only supports the 'headers' option, and will print a warning if anything else is passed\n const opts = isReactNative\n ? {}\n : pick(this.opts, \"agent\", \"perMessageDeflate\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"localAddress\", \"protocolVersion\", \"origin\", \"maxPayload\", \"family\", \"checkServerIdentity\");\n if (this.opts.extraHeaders) {\n opts.headers = this.opts.extraHeaders;\n }\n try {\n this.ws =\n usingBrowserWebSocket && !isReactNative\n ? protocols\n ? new WebSocket(uri, protocols)\n : new WebSocket(uri)\n : new WebSocket(uri, protocols, opts);\n }\n catch (err) {\n return this.emitReserved(\"error\", err);\n }\n this.ws.binaryType = this.socket.binaryType;\n this.addEventListeners();\n }\n /**\n * Adds event listeners to the socket\n *\n * @private\n */\n addEventListeners() {\n this.ws.onopen = () => {\n if (this.opts.autoUnref) {\n this.ws._socket.unref();\n }\n this.onOpen();\n };\n this.ws.onclose = (closeEvent) => this.onClose({\n description: \"websocket connection closed\",\n context: closeEvent,\n });\n this.ws.onmessage = (ev) => this.onData(ev.data);\n this.ws.onerror = (e) => this.onError(\"websocket error\", e);\n }\n write(packets) {\n this.writable = false;\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n encodePacket(packet, this.supportsBinary, (data) => {\n // always create a new object (GH-437)\n const opts = {};\n if (!usingBrowserWebSocket) {\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n if (this.opts.perMessageDeflate) {\n const len = \n // @ts-ignore\n \"string\" === typeof data ? Buffer.byteLength(data) : data.length;\n if (len < this.opts.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n this.ws.send(data);\n }\n else {\n this.ws.send(data, opts);\n }\n }\n catch (e) {\n }\n if (lastPacket) {\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n if (typeof this.ws !== \"undefined\") {\n this.ws.close();\n this.ws = null;\n }\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"wss\" : \"ws\";\n const query = this.query || {};\n // append timestamp to URI\n if (this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @private\n */\n check() {\n return !!WebSocket;\n }\n}\n","import { Transport } from \"../transport.js\";\nimport { nextTick } from \"./websocket-constructor.js\";\nimport { createPacketDecoderStream, createPacketEncoderStream, } from \"engine.io-parser\";\nexport class WT extends Transport {\n get name() {\n return \"webtransport\";\n }\n doOpen() {\n // @ts-ignore\n if (typeof WebTransport !== \"function\") {\n return;\n }\n // @ts-ignore\n this.transport = new WebTransport(this.createUri(\"https\"), this.opts.transportOptions[this.name]);\n this.transport.closed\n .then(() => {\n this.onClose();\n })\n .catch((err) => {\n this.onError(\"webtransport error\", err);\n });\n // note: we could have used async/await, but that would require some additional polyfills\n this.transport.ready.then(() => {\n this.transport.createBidirectionalStream().then((stream) => {\n const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType);\n const reader = stream.readable.pipeThrough(decoderStream).getReader();\n const encoderStream = createPacketEncoderStream();\n encoderStream.readable.pipeTo(stream.writable);\n this.writer = encoderStream.writable.getWriter();\n const read = () => {\n reader\n .read()\n .then(({ done, value }) => {\n if (done) {\n return;\n }\n this.onPacket(value);\n read();\n })\n .catch((err) => {\n });\n };\n read();\n const packet = { type: \"open\" };\n if (this.query.sid) {\n packet.data = `{\"sid\":\"${this.query.sid}\"}`;\n }\n this.writer.write(packet).then(() => this.onOpen());\n });\n });\n }\n write(packets) {\n this.writable = false;\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n this.writer.write(packet).then(() => {\n if (lastPacket) {\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n var _a;\n (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close();\n }\n}\n","import { Polling } from \"./polling.js\";\nimport { WS } from \"./websocket.js\";\nimport { WT } from \"./webtransport.js\";\nexport const transports = {\n websocket: WS,\n webtransport: WT,\n polling: Polling,\n};\n","// imported from https://github.com/galkn/parseuri\n/**\n * Parses a URI\n *\n * Note: we could also have used the built-in URL object, but it isn't supported on all platforms.\n *\n * See:\n * - https://developer.mozilla.org/en-US/docs/Web/API/URL\n * - https://caniuse.com/url\n * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B\n *\n * History of the parse() method:\n * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c\n * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3\n * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242\n *\n * @author Steven Levithan (MIT license)\n * @api private\n */\nconst re = /^(?:(?![^:@\\/?#]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@\\/?#]*)(?::([^:@\\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\nconst parts = [\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\n];\nexport function parse(str) {\n const src = str, b = str.indexOf('['), e = str.indexOf(']');\n if (b != -1 && e != -1) {\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\n }\n let m = re.exec(str || ''), uri = {}, i = 14;\n while (i--) {\n uri[parts[i]] = m[i] || '';\n }\n if (b != -1 && e != -1) {\n uri.source = src;\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\n uri.ipv6uri = true;\n }\n uri.pathNames = pathNames(uri, uri['path']);\n uri.queryKey = queryKey(uri, uri['query']);\n return uri;\n}\nfunction pathNames(obj, path) {\n const regx = /\\/{2,9}/g, names = path.replace(regx, \"/\").split(\"/\");\n if (path.slice(0, 1) == '/' || path.length === 0) {\n names.splice(0, 1);\n }\n if (path.slice(-1) == '/') {\n names.splice(names.length - 1, 1);\n }\n return names;\n}\nfunction queryKey(uri, query) {\n const data = {};\n query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {\n if ($1) {\n data[$1] = $2;\n }\n });\n return data;\n}\n","import { transports } from \"./transports/index.js\";\nimport { installTimerFunctions, byteLength } from \"./util.js\";\nimport { decode } from \"./contrib/parseqs.js\";\nimport { parse } from \"./contrib/parseuri.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { protocol } from \"engine.io-parser\";\nimport { defaultBinaryType } from \"./transports/websocket-constructor.js\";\nexport class Socket extends Emitter {\n /**\n * Socket constructor.\n *\n * @param {String|Object} uri - uri or options\n * @param {Object} opts - options\n */\n constructor(uri, opts = {}) {\n super();\n this.binaryType = defaultBinaryType;\n this.writeBuffer = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = null;\n }\n if (uri) {\n uri = parse(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === \"https\" || uri.protocol === \"wss\";\n opts.port = uri.port;\n if (uri.query)\n opts.query = uri.query;\n }\n else if (opts.host) {\n opts.hostname = parse(opts.host).host;\n }\n installTimerFunctions(this, opts);\n this.secure =\n null != opts.secure\n ? opts.secure\n : typeof location !== \"undefined\" && \"https:\" === location.protocol;\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? \"443\" : \"80\";\n }\n this.hostname =\n opts.hostname ||\n (typeof location !== \"undefined\" ? location.hostname : \"localhost\");\n this.port =\n opts.port ||\n (typeof location !== \"undefined\" && location.port\n ? location.port\n : this.secure\n ? \"443\"\n : \"80\");\n this.transports = opts.transports || [\n \"polling\",\n \"websocket\",\n \"webtransport\",\n ];\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.opts = Object.assign({\n path: \"/engine.io\",\n agent: false,\n withCredentials: false,\n upgrade: true,\n timestampParam: \"t\",\n rememberUpgrade: false,\n addTrailingSlash: true,\n rejectUnauthorized: true,\n perMessageDeflate: {\n threshold: 1024,\n },\n transportOptions: {},\n closeOnBeforeunload: false,\n }, opts);\n this.opts.path =\n this.opts.path.replace(/\\/$/, \"\") +\n (this.opts.addTrailingSlash ? \"/\" : \"\");\n if (typeof this.opts.query === \"string\") {\n this.opts.query = decode(this.opts.query);\n }\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n // set on heartbeat\n this.pingTimeoutTimer = null;\n if (typeof addEventListener === \"function\") {\n if (this.opts.closeOnBeforeunload) {\n // Firefox closes the connection when the \"beforeunload\" event is emitted but not Chrome. This event listener\n // ensures every browser behaves the same (no \"disconnect\" event at the Socket.IO level when the page is\n // closed/reloaded)\n this.beforeunloadEventListener = () => {\n if (this.transport) {\n // silently close the transport\n this.transport.removeAllListeners();\n this.transport.close();\n }\n };\n addEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n }\n if (this.hostname !== \"localhost\") {\n this.offlineEventListener = () => {\n this.onClose(\"transport close\", {\n description: \"network connection lost\",\n });\n };\n addEventListener(\"offline\", this.offlineEventListener, false);\n }\n }\n this.open();\n }\n /**\n * Creates transport of the given type.\n *\n * @param {String} name - transport name\n * @return {Transport}\n * @private\n */\n createTransport(name) {\n const query = Object.assign({}, this.opts.query);\n // append engine.io protocol identifier\n query.EIO = protocol;\n // transport name\n query.transport = name;\n // session id if we already have one\n if (this.id)\n query.sid = this.id;\n const opts = Object.assign({}, this.opts, {\n query,\n socket: this,\n hostname: this.hostname,\n secure: this.secure,\n port: this.port,\n }, this.opts.transportOptions[name]);\n return new transports[name](opts);\n }\n /**\n * Initializes transport to use and starts probe.\n *\n * @private\n */\n open() {\n let transport;\n if (this.opts.rememberUpgrade &&\n Socket.priorWebsocketSuccess &&\n this.transports.indexOf(\"websocket\") !== -1) {\n transport = \"websocket\";\n }\n else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n this.setTimeoutFn(() => {\n this.emitReserved(\"error\", \"No transports available\");\n }, 0);\n return;\n }\n else {\n transport = this.transports[0];\n }\n this.readyState = \"opening\";\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n }\n catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n transport.open();\n this.setTransport(transport);\n }\n /**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @private\n */\n setTransport(transport) {\n if (this.transport) {\n this.transport.removeAllListeners();\n }\n // set up transport\n this.transport = transport;\n // set up transport listeners\n transport\n .on(\"drain\", this.onDrain.bind(this))\n .on(\"packet\", this.onPacket.bind(this))\n .on(\"error\", this.onError.bind(this))\n .on(\"close\", (reason) => this.onClose(\"transport close\", reason));\n }\n /**\n * Probes a transport.\n *\n * @param {String} name - transport name\n * @private\n */\n probe(name) {\n let transport = this.createTransport(name);\n let failed = false;\n Socket.priorWebsocketSuccess = false;\n const onTransportOpen = () => {\n if (failed)\n return;\n transport.send([{ type: \"ping\", data: \"probe\" }]);\n transport.once(\"packet\", (msg) => {\n if (failed)\n return;\n if (\"pong\" === msg.type && \"probe\" === msg.data) {\n this.upgrading = true;\n this.emitReserved(\"upgrading\", transport);\n if (!transport)\n return;\n Socket.priorWebsocketSuccess = \"websocket\" === transport.name;\n this.transport.pause(() => {\n if (failed)\n return;\n if (\"closed\" === this.readyState)\n return;\n cleanup();\n this.setTransport(transport);\n transport.send([{ type: \"upgrade\" }]);\n this.emitReserved(\"upgrade\", transport);\n transport = null;\n this.upgrading = false;\n this.flush();\n });\n }\n else {\n const err = new Error(\"probe error\");\n // @ts-ignore\n err.transport = transport.name;\n this.emitReserved(\"upgradeError\", err);\n }\n });\n };\n function freezeTransport() {\n if (failed)\n return;\n // Any callback called by transport should be ignored since now\n failed = true;\n cleanup();\n transport.close();\n transport = null;\n }\n // Handle any error that happens while probing\n const onerror = (err) => {\n const error = new Error(\"probe error: \" + err);\n // @ts-ignore\n error.transport = transport.name;\n freezeTransport();\n this.emitReserved(\"upgradeError\", error);\n };\n function onTransportClose() {\n onerror(\"transport closed\");\n }\n // When the socket is closed while we're probing\n function onclose() {\n onerror(\"socket closed\");\n }\n // When the socket is upgraded while we're probing\n function onupgrade(to) {\n if (transport && to.name !== transport.name) {\n freezeTransport();\n }\n }\n // Remove all listeners on the transport and on self\n const cleanup = () => {\n transport.removeListener(\"open\", onTransportOpen);\n transport.removeListener(\"error\", onerror);\n transport.removeListener(\"close\", onTransportClose);\n this.off(\"close\", onclose);\n this.off(\"upgrading\", onupgrade);\n };\n transport.once(\"open\", onTransportOpen);\n transport.once(\"error\", onerror);\n transport.once(\"close\", onTransportClose);\n this.once(\"close\", onclose);\n this.once(\"upgrading\", onupgrade);\n if (this.upgrades.indexOf(\"webtransport\") !== -1 &&\n name !== \"webtransport\") {\n // favor WebTransport\n this.setTimeoutFn(() => {\n if (!failed) {\n transport.open();\n }\n }, 200);\n }\n else {\n transport.open();\n }\n }\n /**\n * Called when connection is deemed open.\n *\n * @private\n */\n onOpen() {\n this.readyState = \"open\";\n Socket.priorWebsocketSuccess = \"websocket\" === this.transport.name;\n this.emitReserved(\"open\");\n this.flush();\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if (\"open\" === this.readyState && this.opts.upgrade) {\n let i = 0;\n const l = this.upgrades.length;\n for (; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n }\n /**\n * Handles a packet.\n *\n * @private\n */\n onPacket(packet) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n this.emitReserved(\"packet\", packet);\n // Socket is live - any packet counts\n this.emitReserved(\"heartbeat\");\n this.resetPingTimeout();\n switch (packet.type) {\n case \"open\":\n this.onHandshake(JSON.parse(packet.data));\n break;\n case \"ping\":\n this.sendPacket(\"pong\");\n this.emitReserved(\"ping\");\n this.emitReserved(\"pong\");\n break;\n case \"error\":\n const err = new Error(\"server error\");\n // @ts-ignore\n err.code = packet.data;\n this.onError(err);\n break;\n case \"message\":\n this.emitReserved(\"data\", packet.data);\n this.emitReserved(\"message\", packet.data);\n break;\n }\n }\n else {\n }\n }\n /**\n * Called upon handshake completion.\n *\n * @param {Object} data - handshake obj\n * @private\n */\n onHandshake(data) {\n this.emitReserved(\"handshake\", data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.maxPayload = data.maxPayload;\n this.onOpen();\n // In case open handler closes socket\n if (\"closed\" === this.readyState)\n return;\n this.resetPingTimeout();\n }\n /**\n * Sets and resets ping timeout timer based on server pings.\n *\n * @private\n */\n resetPingTimeout() {\n this.clearTimeoutFn(this.pingTimeoutTimer);\n this.pingTimeoutTimer = this.setTimeoutFn(() => {\n this.onClose(\"ping timeout\");\n }, this.pingInterval + this.pingTimeout);\n if (this.opts.autoUnref) {\n this.pingTimeoutTimer.unref();\n }\n }\n /**\n * Called on `drain` event\n *\n * @private\n */\n onDrain() {\n this.writeBuffer.splice(0, this.prevBufferLen);\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n if (0 === this.writeBuffer.length) {\n this.emitReserved(\"drain\");\n }\n else {\n this.flush();\n }\n }\n /**\n * Flush write buffers.\n *\n * @private\n */\n flush() {\n if (\"closed\" !== this.readyState &&\n this.transport.writable &&\n !this.upgrading &&\n this.writeBuffer.length) {\n const packets = this.getWritablePackets();\n this.transport.send(packets);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = packets.length;\n this.emitReserved(\"flush\");\n }\n }\n /**\n * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP\n * long-polling)\n *\n * @private\n */\n getWritablePackets() {\n const shouldCheckPayloadSize = this.maxPayload &&\n this.transport.name === \"polling\" &&\n this.writeBuffer.length > 1;\n if (!shouldCheckPayloadSize) {\n return this.writeBuffer;\n }\n let payloadSize = 1; // first packet type\n for (let i = 0; i < this.writeBuffer.length; i++) {\n const data = this.writeBuffer[i].data;\n if (data) {\n payloadSize += byteLength(data);\n }\n if (i > 0 && payloadSize > this.maxPayload) {\n return this.writeBuffer.slice(0, i);\n }\n payloadSize += 2; // separator + packet type\n }\n return this.writeBuffer;\n }\n /**\n * Sends a message.\n *\n * @param {String} msg - message.\n * @param {Object} options.\n * @param {Function} callback function.\n * @return {Socket} for chaining.\n */\n write(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n send(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n /**\n * Sends a packet.\n *\n * @param {String} type: packet type.\n * @param {String} data.\n * @param {Object} options.\n * @param {Function} fn - callback function.\n * @private\n */\n sendPacket(type, data, options, fn) {\n if (\"function\" === typeof data) {\n fn = data;\n data = undefined;\n }\n if (\"function\" === typeof options) {\n fn = options;\n options = null;\n }\n if (\"closing\" === this.readyState || \"closed\" === this.readyState) {\n return;\n }\n options = options || {};\n options.compress = false !== options.compress;\n const packet = {\n type: type,\n data: data,\n options: options,\n };\n this.emitReserved(\"packetCreate\", packet);\n this.writeBuffer.push(packet);\n if (fn)\n this.once(\"flush\", fn);\n this.flush();\n }\n /**\n * Closes the connection.\n */\n close() {\n const close = () => {\n this.onClose(\"forced close\");\n this.transport.close();\n };\n const cleanupAndClose = () => {\n this.off(\"upgrade\", cleanupAndClose);\n this.off(\"upgradeError\", cleanupAndClose);\n close();\n };\n const waitForUpgrade = () => {\n // wait for upgrade to finish since we can't send packets while pausing a transport\n this.once(\"upgrade\", cleanupAndClose);\n this.once(\"upgradeError\", cleanupAndClose);\n };\n if (\"opening\" === this.readyState || \"open\" === this.readyState) {\n this.readyState = \"closing\";\n if (this.writeBuffer.length) {\n this.once(\"drain\", () => {\n if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n });\n }\n else if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n }\n return this;\n }\n /**\n * Called upon transport error\n *\n * @private\n */\n onError(err) {\n Socket.priorWebsocketSuccess = false;\n this.emitReserved(\"error\", err);\n this.onClose(\"transport error\", err);\n }\n /**\n * Called upon transport close.\n *\n * @private\n */\n onClose(reason, description) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n // clear timers\n this.clearTimeoutFn(this.pingTimeoutTimer);\n // stop event from firing again for transport\n this.transport.removeAllListeners(\"close\");\n // ensure transport won't stay open\n this.transport.close();\n // ignore further transport communication\n this.transport.removeAllListeners();\n if (typeof removeEventListener === \"function\") {\n removeEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n removeEventListener(\"offline\", this.offlineEventListener, false);\n }\n // set ready state\n this.readyState = \"closed\";\n // clear session id\n this.id = null;\n // emit close event\n this.emitReserved(\"close\", reason, description);\n // clean buffers after, so users can still\n // grab the buffers on `close` event\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n }\n }\n /**\n * Filters upgrades, returning only those matching client transports.\n *\n * @param {Array} upgrades - server upgrades\n * @private\n */\n filterUpgrades(upgrades) {\n const filteredUpgrades = [];\n let i = 0;\n const j = upgrades.length;\n for (; i < j; i++) {\n if (~this.transports.indexOf(upgrades[i]))\n filteredUpgrades.push(upgrades[i]);\n }\n return filteredUpgrades;\n }\n}\nSocket.protocol = protocol;\n","import { Socket } from \"./socket.js\";\nexport { Socket };\nexport const protocol = Socket.protocol;\nexport { Transport } from \"./transport.js\";\nexport { transports } from \"./transports/index.js\";\nexport { installTimerFunctions } from \"./util.js\";\nexport { parse } from \"./contrib/parseuri.js\";\nexport { nextTick } from \"./transports/websocket-constructor.js\";\n","const withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nconst isView = (obj) => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj.buffer instanceof ArrayBuffer;\n};\nconst toString = Object.prototype.toString;\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeFile = typeof File === \"function\" ||\n (typeof File !== \"undefined\" &&\n toString.call(File) === \"[object FileConstructor]\");\n/**\n * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File.\n *\n * @private\n */\nexport function isBinary(obj) {\n return ((withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) ||\n (withNativeBlob && obj instanceof Blob) ||\n (withNativeFile && obj instanceof File));\n}\nexport function hasBinary(obj, toJSON) {\n if (!obj || typeof obj !== \"object\") {\n return false;\n }\n if (Array.isArray(obj)) {\n for (let i = 0, l = obj.length; i < l; i++) {\n if (hasBinary(obj[i])) {\n return true;\n }\n }\n return false;\n }\n if (isBinary(obj)) {\n return true;\n }\n if (obj.toJSON &&\n typeof obj.toJSON === \"function\" &&\n arguments.length === 1) {\n return hasBinary(obj.toJSON(), true);\n }\n for (const key in obj) {\n if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {\n return true;\n }\n }\n return false;\n}\n","import { isBinary } from \"./is-binary.js\";\n/**\n * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder.\n *\n * @param {Object} packet - socket.io event packet\n * @return {Object} with deconstructed packet and list of buffers\n * @public\n */\nexport function deconstructPacket(packet) {\n const buffers = [];\n const packetData = packet.data;\n const pack = packet;\n pack.data = _deconstructPacket(packetData, buffers);\n pack.attachments = buffers.length; // number of binary 'attachments'\n return { packet: pack, buffers: buffers };\n}\nfunction _deconstructPacket(data, buffers) {\n if (!data)\n return data;\n if (isBinary(data)) {\n const placeholder = { _placeholder: true, num: buffers.length };\n buffers.push(data);\n return placeholder;\n }\n else if (Array.isArray(data)) {\n const newData = new Array(data.length);\n for (let i = 0; i < data.length; i++) {\n newData[i] = _deconstructPacket(data[i], buffers);\n }\n return newData;\n }\n else if (typeof data === \"object\" && !(data instanceof Date)) {\n const newData = {};\n for (const key in data) {\n if (Object.prototype.hasOwnProperty.call(data, key)) {\n newData[key] = _deconstructPacket(data[key], buffers);\n }\n }\n return newData;\n }\n return data;\n}\n/**\n * Reconstructs a binary packet from its placeholder packet and buffers\n *\n * @param {Object} packet - event packet with placeholders\n * @param {Array} buffers - binary buffers to put in placeholder positions\n * @return {Object} reconstructed packet\n * @public\n */\nexport function reconstructPacket(packet, buffers) {\n packet.data = _reconstructPacket(packet.data, buffers);\n delete packet.attachments; // no longer useful\n return packet;\n}\nfunction _reconstructPacket(data, buffers) {\n if (!data)\n return data;\n if (data && data._placeholder === true) {\n const isIndexValid = typeof data.num === \"number\" &&\n data.num >= 0 &&\n data.num < buffers.length;\n if (isIndexValid) {\n return buffers[data.num]; // appropriate buffer (should be natural order anyway)\n }\n else {\n throw new Error(\"illegal attachments\");\n }\n }\n else if (Array.isArray(data)) {\n for (let i = 0; i < data.length; i++) {\n data[i] = _reconstructPacket(data[i], buffers);\n }\n }\n else if (typeof data === \"object\") {\n for (const key in data) {\n if (Object.prototype.hasOwnProperty.call(data, key)) {\n data[key] = _reconstructPacket(data[key], buffers);\n }\n }\n }\n return data;\n}\n","import { Emitter } from \"@socket.io/component-emitter\";\nimport { deconstructPacket, reconstructPacket } from \"./binary.js\";\nimport { isBinary, hasBinary } from \"./is-binary.js\";\n/**\n * These strings must not be used as event names, as they have a special meaning.\n */\nconst RESERVED_EVENTS = [\n \"connect\",\n \"connect_error\",\n \"disconnect\",\n \"disconnecting\",\n \"newListener\",\n \"removeListener\", // used by the Node.js EventEmitter\n];\n/**\n * Protocol version.\n *\n * @public\n */\nexport const protocol = 5;\nexport var PacketType;\n(function (PacketType) {\n PacketType[PacketType[\"CONNECT\"] = 0] = \"CONNECT\";\n PacketType[PacketType[\"DISCONNECT\"] = 1] = \"DISCONNECT\";\n PacketType[PacketType[\"EVENT\"] = 2] = \"EVENT\";\n PacketType[PacketType[\"ACK\"] = 3] = \"ACK\";\n PacketType[PacketType[\"CONNECT_ERROR\"] = 4] = \"CONNECT_ERROR\";\n PacketType[PacketType[\"BINARY_EVENT\"] = 5] = \"BINARY_EVENT\";\n PacketType[PacketType[\"BINARY_ACK\"] = 6] = \"BINARY_ACK\";\n})(PacketType || (PacketType = {}));\n/**\n * A socket.io Encoder instance\n */\nexport class Encoder {\n /**\n * Encoder constructor\n *\n * @param {function} replacer - custom replacer to pass down to JSON.parse\n */\n constructor(replacer) {\n this.replacer = replacer;\n }\n /**\n * Encode a packet as a single string if non-binary, or as a\n * buffer sequence, depending on packet type.\n *\n * @param {Object} obj - packet object\n */\n encode(obj) {\n if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) {\n if (hasBinary(obj)) {\n return this.encodeAsBinary({\n type: obj.type === PacketType.EVENT\n ? PacketType.BINARY_EVENT\n : PacketType.BINARY_ACK,\n nsp: obj.nsp,\n data: obj.data,\n id: obj.id,\n });\n }\n }\n return [this.encodeAsString(obj)];\n }\n /**\n * Encode packet as string.\n */\n encodeAsString(obj) {\n // first is type\n let str = \"\" + obj.type;\n // attachments if we have them\n if (obj.type === PacketType.BINARY_EVENT ||\n obj.type === PacketType.BINARY_ACK) {\n str += obj.attachments + \"-\";\n }\n // if we have a namespace other than `/`\n // we append it followed by a comma `,`\n if (obj.nsp && \"/\" !== obj.nsp) {\n str += obj.nsp + \",\";\n }\n // immediately followed by the id\n if (null != obj.id) {\n str += obj.id;\n }\n // json data\n if (null != obj.data) {\n str += JSON.stringify(obj.data, this.replacer);\n }\n return str;\n }\n /**\n * Encode packet as 'buffer sequence' by removing blobs, and\n * deconstructing packet into object with placeholders and\n * a list of buffers.\n */\n encodeAsBinary(obj) {\n const deconstruction = deconstructPacket(obj);\n const pack = this.encodeAsString(deconstruction.packet);\n const buffers = deconstruction.buffers;\n buffers.unshift(pack); // add packet info to beginning of data list\n return buffers; // write all the buffers\n }\n}\n// see https://stackoverflow.com/questions/8511281/check-if-a-value-is-an-object-in-javascript\nfunction isObject(value) {\n return Object.prototype.toString.call(value) === \"[object Object]\";\n}\n/**\n * A socket.io Decoder instance\n *\n * @return {Object} decoder\n */\nexport class Decoder extends Emitter {\n /**\n * Decoder constructor\n *\n * @param {function} reviver - custom reviver to pass down to JSON.stringify\n */\n constructor(reviver) {\n super();\n this.reviver = reviver;\n }\n /**\n * Decodes an encoded packet string into packet JSON.\n *\n * @param {String} obj - encoded packet\n */\n add(obj) {\n let packet;\n if (typeof obj === \"string\") {\n if (this.reconstructor) {\n throw new Error(\"got plaintext data when reconstructing a packet\");\n }\n packet = this.decodeString(obj);\n const isBinaryEvent = packet.type === PacketType.BINARY_EVENT;\n if (isBinaryEvent || packet.type === PacketType.BINARY_ACK) {\n packet.type = isBinaryEvent ? PacketType.EVENT : PacketType.ACK;\n // binary packet's json\n this.reconstructor = new BinaryReconstructor(packet);\n // no attachments, labeled binary but no binary data to follow\n if (packet.attachments === 0) {\n super.emitReserved(\"decoded\", packet);\n }\n }\n else {\n // non-binary full packet\n super.emitReserved(\"decoded\", packet);\n }\n }\n else if (isBinary(obj) || obj.base64) {\n // raw binary data\n if (!this.reconstructor) {\n throw new Error(\"got binary data when not reconstructing a packet\");\n }\n else {\n packet = this.reconstructor.takeBinaryData(obj);\n if (packet) {\n // received final buffer\n this.reconstructor = null;\n super.emitReserved(\"decoded\", packet);\n }\n }\n }\n else {\n throw new Error(\"Unknown type: \" + obj);\n }\n }\n /**\n * Decode a packet String (JSON data)\n *\n * @param {String} str\n * @return {Object} packet\n */\n decodeString(str) {\n let i = 0;\n // look up type\n const p = {\n type: Number(str.charAt(0)),\n };\n if (PacketType[p.type] === undefined) {\n throw new Error(\"unknown packet type \" + p.type);\n }\n // look up attachments if type binary\n if (p.type === PacketType.BINARY_EVENT ||\n p.type === PacketType.BINARY_ACK) {\n const start = i + 1;\n while (str.charAt(++i) !== \"-\" && i != str.length) { }\n const buf = str.substring(start, i);\n if (buf != Number(buf) || str.charAt(i) !== \"-\") {\n throw new Error(\"Illegal attachments\");\n }\n p.attachments = Number(buf);\n }\n // look up namespace (if any)\n if (\"/\" === str.charAt(i + 1)) {\n const start = i + 1;\n while (++i) {\n const c = str.charAt(i);\n if (\",\" === c)\n break;\n if (i === str.length)\n break;\n }\n p.nsp = str.substring(start, i);\n }\n else {\n p.nsp = \"/\";\n }\n // look up id\n const next = str.charAt(i + 1);\n if (\"\" !== next && Number(next) == next) {\n const start = i + 1;\n while (++i) {\n const c = str.charAt(i);\n if (null == c || Number(c) != c) {\n --i;\n break;\n }\n if (i === str.length)\n break;\n }\n p.id = Number(str.substring(start, i + 1));\n }\n // look up json data\n if (str.charAt(++i)) {\n const payload = this.tryParse(str.substr(i));\n if (Decoder.isPayloadValid(p.type, payload)) {\n p.data = payload;\n }\n else {\n throw new Error(\"invalid payload\");\n }\n }\n return p;\n }\n tryParse(str) {\n try {\n return JSON.parse(str, this.reviver);\n }\n catch (e) {\n return false;\n }\n }\n static isPayloadValid(type, payload) {\n switch (type) {\n case PacketType.CONNECT:\n return isObject(payload);\n case PacketType.DISCONNECT:\n return payload === undefined;\n case PacketType.CONNECT_ERROR:\n return typeof payload === \"string\" || isObject(payload);\n case PacketType.EVENT:\n case PacketType.BINARY_EVENT:\n return (Array.isArray(payload) &&\n (typeof payload[0] === \"number\" ||\n (typeof payload[0] === \"string\" &&\n RESERVED_EVENTS.indexOf(payload[0]) === -1)));\n case PacketType.ACK:\n case PacketType.BINARY_ACK:\n return Array.isArray(payload);\n }\n }\n /**\n * Deallocates a parser's resources\n */\n destroy() {\n if (this.reconstructor) {\n this.reconstructor.finishedReconstruction();\n this.reconstructor = null;\n }\n }\n}\n/**\n * A manager of a binary event's 'buffer sequence'. Should\n * be constructed whenever a packet of type BINARY_EVENT is\n * decoded.\n *\n * @param {Object} packet\n * @return {BinaryReconstructor} initialized reconstructor\n */\nclass BinaryReconstructor {\n constructor(packet) {\n this.packet = packet;\n this.buffers = [];\n this.reconPack = packet;\n }\n /**\n * Method to be called when binary data received from connection\n * after a BINARY_EVENT packet.\n *\n * @param {Buffer | ArrayBuffer} binData - the raw binary data received\n * @return {null | Object} returns null if more binary data is expected or\n * a reconstructed packet object if all buffers have been received.\n */\n takeBinaryData(binData) {\n this.buffers.push(binData);\n if (this.buffers.length === this.reconPack.attachments) {\n // done with buffer list\n const packet = reconstructPacket(this.reconPack, this.buffers);\n this.finishedReconstruction();\n return packet;\n }\n return null;\n }\n /**\n * Cleans up binary packet reconstruction variables.\n */\n finishedReconstruction() {\n this.reconPack = null;\n this.buffers = [];\n }\n}\n","export function on(obj, ev, fn) {\n obj.on(ev, fn);\n return function subDestroy() {\n obj.off(ev, fn);\n };\n}\n","import { PacketType } from \"socket.io-parser\";\nimport { on } from \"./on.js\";\nimport { Emitter, } from \"@socket.io/component-emitter\";\n/**\n * Internal events.\n * These events can't be emitted by the user.\n */\nconst RESERVED_EVENTS = Object.freeze({\n connect: 1,\n connect_error: 1,\n disconnect: 1,\n disconnecting: 1,\n // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener\n newListener: 1,\n removeListener: 1,\n});\n/**\n * A Socket is the fundamental class for interacting with the server.\n *\n * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(\"connected\");\n * });\n *\n * // send an event to the server\n * socket.emit(\"foo\", \"bar\");\n *\n * socket.on(\"foobar\", () => {\n * // an event was received from the server\n * });\n *\n * // upon disconnection\n * socket.on(\"disconnect\", (reason) => {\n * console.log(`disconnected due to ${reason}`);\n * });\n */\nexport class Socket extends Emitter {\n /**\n * `Socket` constructor.\n */\n constructor(io, nsp, opts) {\n super();\n /**\n * Whether the socket is currently connected to the server.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(socket.connected); // true\n * });\n *\n * socket.on(\"disconnect\", () => {\n * console.log(socket.connected); // false\n * });\n */\n this.connected = false;\n /**\n * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will\n * be transmitted by the server.\n */\n this.recovered = false;\n /**\n * Buffer for packets received before the CONNECT packet\n */\n this.receiveBuffer = [];\n /**\n * Buffer for packets that will be sent once the socket is connected\n */\n this.sendBuffer = [];\n /**\n * The queue of packets to be sent with retry in case of failure.\n *\n * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order.\n * @private\n */\n this._queue = [];\n /**\n * A sequence to generate the ID of the {@link QueuedPacket}.\n * @private\n */\n this._queueSeq = 0;\n this.ids = 0;\n this.acks = {};\n this.flags = {};\n this.io = io;\n this.nsp = nsp;\n if (opts && opts.auth) {\n this.auth = opts.auth;\n }\n this._opts = Object.assign({}, opts);\n if (this.io._autoConnect)\n this.open();\n }\n /**\n * Whether the socket is currently disconnected\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(socket.disconnected); // false\n * });\n *\n * socket.on(\"disconnect\", () => {\n * console.log(socket.disconnected); // true\n * });\n */\n get disconnected() {\n return !this.connected;\n }\n /**\n * Subscribe to open, close and packet events\n *\n * @private\n */\n subEvents() {\n if (this.subs)\n return;\n const io = this.io;\n this.subs = [\n on(io, \"open\", this.onopen.bind(this)),\n on(io, \"packet\", this.onpacket.bind(this)),\n on(io, \"error\", this.onerror.bind(this)),\n on(io, \"close\", this.onclose.bind(this)),\n ];\n }\n /**\n * Whether the Socket will try to reconnect when its Manager connects or reconnects.\n *\n * @example\n * const socket = io();\n *\n * console.log(socket.active); // true\n *\n * socket.on(\"disconnect\", (reason) => {\n * if (reason === \"io server disconnect\") {\n * // the disconnection was initiated by the server, you need to manually reconnect\n * console.log(socket.active); // false\n * }\n * // else the socket will automatically try to reconnect\n * console.log(socket.active); // true\n * });\n */\n get active() {\n return !!this.subs;\n }\n /**\n * \"Opens\" the socket.\n *\n * @example\n * const socket = io({\n * autoConnect: false\n * });\n *\n * socket.connect();\n */\n connect() {\n if (this.connected)\n return this;\n this.subEvents();\n if (!this.io[\"_reconnecting\"])\n this.io.open(); // ensure open\n if (\"open\" === this.io._readyState)\n this.onopen();\n return this;\n }\n /**\n * Alias for {@link connect()}.\n */\n open() {\n return this.connect();\n }\n /**\n * Sends a `message` event.\n *\n * This method mimics the WebSocket.send() method.\n *\n * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send\n *\n * @example\n * socket.send(\"hello\");\n *\n * // this is equivalent to\n * socket.emit(\"message\", \"hello\");\n *\n * @return self\n */\n send(...args) {\n args.unshift(\"message\");\n this.emit.apply(this, args);\n return this;\n }\n /**\n * Override `emit`.\n * If the event is in `events`, it's emitted normally.\n *\n * @example\n * socket.emit(\"hello\", \"world\");\n *\n * // all serializable datastructures are supported (no need to call JSON.stringify)\n * socket.emit(\"hello\", 1, \"2\", { 3: [\"4\"], 5: Uint8Array.from([6]) });\n *\n * // with an acknowledgement from the server\n * socket.emit(\"hello\", \"world\", (val) => {\n * // ...\n * });\n *\n * @return self\n */\n emit(ev, ...args) {\n if (RESERVED_EVENTS.hasOwnProperty(ev)) {\n throw new Error('\"' + ev.toString() + '\" is a reserved event name');\n }\n args.unshift(ev);\n if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) {\n this._addToQueue(args);\n return this;\n }\n const packet = {\n type: PacketType.EVENT,\n data: args,\n };\n packet.options = {};\n packet.options.compress = this.flags.compress !== false;\n // event ack callback\n if (\"function\" === typeof args[args.length - 1]) {\n const id = this.ids++;\n const ack = args.pop();\n this._registerAckCallback(id, ack);\n packet.id = id;\n }\n const isTransportWritable = this.io.engine &&\n this.io.engine.transport &&\n this.io.engine.transport.writable;\n const discardPacket = this.flags.volatile && (!isTransportWritable || !this.connected);\n if (discardPacket) {\n }\n else if (this.connected) {\n this.notifyOutgoingListeners(packet);\n this.packet(packet);\n }\n else {\n this.sendBuffer.push(packet);\n }\n this.flags = {};\n return this;\n }\n /**\n * @private\n */\n _registerAckCallback(id, ack) {\n var _a;\n const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout;\n if (timeout === undefined) {\n this.acks[id] = ack;\n return;\n }\n // @ts-ignore\n const timer = this.io.setTimeoutFn(() => {\n delete this.acks[id];\n for (let i = 0; i < this.sendBuffer.length; i++) {\n if (this.sendBuffer[i].id === id) {\n this.sendBuffer.splice(i, 1);\n }\n }\n ack.call(this, new Error(\"operation has timed out\"));\n }, timeout);\n this.acks[id] = (...args) => {\n // @ts-ignore\n this.io.clearTimeoutFn(timer);\n ack.apply(this, [null, ...args]);\n };\n }\n /**\n * Emits an event and waits for an acknowledgement\n *\n * @example\n * // without timeout\n * const response = await socket.emitWithAck(\"hello\", \"world\");\n *\n * // with a specific timeout\n * try {\n * const response = await socket.timeout(1000).emitWithAck(\"hello\", \"world\");\n * } catch (err) {\n * // the server did not acknowledge the event in the given delay\n * }\n *\n * @return a Promise that will be fulfilled when the server acknowledges the event\n */\n emitWithAck(ev, ...args) {\n // the timeout flag is optional\n const withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined;\n return new Promise((resolve, reject) => {\n args.push((arg1, arg2) => {\n if (withErr) {\n return arg1 ? reject(arg1) : resolve(arg2);\n }\n else {\n return resolve(arg1);\n }\n });\n this.emit(ev, ...args);\n });\n }\n /**\n * Add the packet to the queue.\n * @param args\n * @private\n */\n _addToQueue(args) {\n let ack;\n if (typeof args[args.length - 1] === \"function\") {\n ack = args.pop();\n }\n const packet = {\n id: this._queueSeq++,\n tryCount: 0,\n pending: false,\n args,\n flags: Object.assign({ fromQueue: true }, this.flags),\n };\n args.push((err, ...responseArgs) => {\n if (packet !== this._queue[0]) {\n // the packet has already been acknowledged\n return;\n }\n const hasError = err !== null;\n if (hasError) {\n if (packet.tryCount > this._opts.retries) {\n this._queue.shift();\n if (ack) {\n ack(err);\n }\n }\n }\n else {\n this._queue.shift();\n if (ack) {\n ack(null, ...responseArgs);\n }\n }\n packet.pending = false;\n return this._drainQueue();\n });\n this._queue.push(packet);\n this._drainQueue();\n }\n /**\n * Send the first packet of the queue, and wait for an acknowledgement from the server.\n * @param force - whether to resend a packet that has not been acknowledged yet\n *\n * @private\n */\n _drainQueue(force = false) {\n if (!this.connected || this._queue.length === 0) {\n return;\n }\n const packet = this._queue[0];\n if (packet.pending && !force) {\n return;\n }\n packet.pending = true;\n packet.tryCount++;\n this.flags = packet.flags;\n this.emit.apply(this, packet.args);\n }\n /**\n * Sends a packet.\n *\n * @param packet\n * @private\n */\n packet(packet) {\n packet.nsp = this.nsp;\n this.io._packet(packet);\n }\n /**\n * Called upon engine `open`.\n *\n * @private\n */\n onopen() {\n if (typeof this.auth == \"function\") {\n this.auth((data) => {\n this._sendConnectPacket(data);\n });\n }\n else {\n this._sendConnectPacket(this.auth);\n }\n }\n /**\n * Sends a CONNECT packet to initiate the Socket.IO session.\n *\n * @param data\n * @private\n */\n _sendConnectPacket(data) {\n this.packet({\n type: PacketType.CONNECT,\n data: this._pid\n ? Object.assign({ pid: this._pid, offset: this._lastOffset }, data)\n : data,\n });\n }\n /**\n * Called upon engine or manager `error`.\n *\n * @param err\n * @private\n */\n onerror(err) {\n if (!this.connected) {\n this.emitReserved(\"connect_error\", err);\n }\n }\n /**\n * Called upon engine `close`.\n *\n * @param reason\n * @param description\n * @private\n */\n onclose(reason, description) {\n this.connected = false;\n delete this.id;\n this.emitReserved(\"disconnect\", reason, description);\n }\n /**\n * Called with socket packet.\n *\n * @param packet\n * @private\n */\n onpacket(packet) {\n const sameNamespace = packet.nsp === this.nsp;\n if (!sameNamespace)\n return;\n switch (packet.type) {\n case PacketType.CONNECT:\n if (packet.data && packet.data.sid) {\n this.onconnect(packet.data.sid, packet.data.pid);\n }\n else {\n this.emitReserved(\"connect_error\", new Error(\"It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)\"));\n }\n break;\n case PacketType.EVENT:\n case PacketType.BINARY_EVENT:\n this.onevent(packet);\n break;\n case PacketType.ACK:\n case PacketType.BINARY_ACK:\n this.onack(packet);\n break;\n case PacketType.DISCONNECT:\n this.ondisconnect();\n break;\n case PacketType.CONNECT_ERROR:\n this.destroy();\n const err = new Error(packet.data.message);\n // @ts-ignore\n err.data = packet.data.data;\n this.emitReserved(\"connect_error\", err);\n break;\n }\n }\n /**\n * Called upon a server event.\n *\n * @param packet\n * @private\n */\n onevent(packet) {\n const args = packet.data || [];\n if (null != packet.id) {\n args.push(this.ack(packet.id));\n }\n if (this.connected) {\n this.emitEvent(args);\n }\n else {\n this.receiveBuffer.push(Object.freeze(args));\n }\n }\n emitEvent(args) {\n if (this._anyListeners && this._anyListeners.length) {\n const listeners = this._anyListeners.slice();\n for (const listener of listeners) {\n listener.apply(this, args);\n }\n }\n super.emit.apply(this, args);\n if (this._pid && args.length && typeof args[args.length - 1] === \"string\") {\n this._lastOffset = args[args.length - 1];\n }\n }\n /**\n * Produces an ack callback to emit with an event.\n *\n * @private\n */\n ack(id) {\n const self = this;\n let sent = false;\n return function (...args) {\n // prevent double callbacks\n if (sent)\n return;\n sent = true;\n self.packet({\n type: PacketType.ACK,\n id: id,\n data: args,\n });\n };\n }\n /**\n * Called upon a server acknowlegement.\n *\n * @param packet\n * @private\n */\n onack(packet) {\n const ack = this.acks[packet.id];\n if (\"function\" === typeof ack) {\n ack.apply(this, packet.data);\n delete this.acks[packet.id];\n }\n else {\n }\n }\n /**\n * Called upon server connect.\n *\n * @private\n */\n onconnect(id, pid) {\n this.id = id;\n this.recovered = pid && this._pid === pid;\n this._pid = pid; // defined only if connection state recovery is enabled\n this.connected = true;\n this.emitBuffered();\n this.emitReserved(\"connect\");\n this._drainQueue(true);\n }\n /**\n * Emit buffered events (received and emitted).\n *\n * @private\n */\n emitBuffered() {\n this.receiveBuffer.forEach((args) => this.emitEvent(args));\n this.receiveBuffer = [];\n this.sendBuffer.forEach((packet) => {\n this.notifyOutgoingListeners(packet);\n this.packet(packet);\n });\n this.sendBuffer = [];\n }\n /**\n * Called upon server disconnect.\n *\n * @private\n */\n ondisconnect() {\n this.destroy();\n this.onclose(\"io server disconnect\");\n }\n /**\n * Called upon forced client/server side disconnections,\n * this method ensures the manager stops tracking us and\n * that reconnections don't get triggered for this.\n *\n * @private\n */\n destroy() {\n if (this.subs) {\n // clean subscriptions to avoid reconnections\n this.subs.forEach((subDestroy) => subDestroy());\n this.subs = undefined;\n }\n this.io[\"_destroy\"](this);\n }\n /**\n * Disconnects the socket manually. In that case, the socket will not try to reconnect.\n *\n * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"disconnect\", (reason) => {\n * // console.log(reason); prints \"io client disconnect\"\n * });\n *\n * socket.disconnect();\n *\n * @return self\n */\n disconnect() {\n if (this.connected) {\n this.packet({ type: PacketType.DISCONNECT });\n }\n // remove socket from pool\n this.destroy();\n if (this.connected) {\n // fire events\n this.onclose(\"io client disconnect\");\n }\n return this;\n }\n /**\n * Alias for {@link disconnect()}.\n *\n * @return self\n */\n close() {\n return this.disconnect();\n }\n /**\n * Sets the compress flag.\n *\n * @example\n * socket.compress(false).emit(\"hello\");\n *\n * @param compress - if `true`, compresses the sending data\n * @return self\n */\n compress(compress) {\n this.flags.compress = compress;\n return this;\n }\n /**\n * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not\n * ready to send messages.\n *\n * @example\n * socket.volatile.emit(\"hello\"); // the server may or may not receive it\n *\n * @returns self\n */\n get volatile() {\n this.flags.volatile = true;\n return this;\n }\n /**\n * Sets a modifier for a subsequent event emission that the callback will be called with an error when the\n * given number of milliseconds have elapsed without an acknowledgement from the server:\n *\n * @example\n * socket.timeout(5000).emit(\"my-event\", (err) => {\n * if (err) {\n * // the server did not acknowledge the event in the given delay\n * }\n * });\n *\n * @returns self\n */\n timeout(timeout) {\n this.flags.timeout = timeout;\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback.\n *\n * @example\n * socket.onAny((event, ...args) => {\n * console.log(`got ${event}`);\n * });\n *\n * @param listener\n */\n onAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.push(listener);\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback. The listener is added to the beginning of the listeners array.\n *\n * @example\n * socket.prependAny((event, ...args) => {\n * console.log(`got event ${event}`);\n * });\n *\n * @param listener\n */\n prependAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.unshift(listener);\n return this;\n }\n /**\n * Removes the listener that will be fired when any event is emitted.\n *\n * @example\n * const catchAllListener = (event, ...args) => {\n * console.log(`got event ${event}`);\n * }\n *\n * socket.onAny(catchAllListener);\n *\n * // remove a specific listener\n * socket.offAny(catchAllListener);\n *\n * // or remove all listeners\n * socket.offAny();\n *\n * @param listener\n */\n offAny(listener) {\n if (!this._anyListeners) {\n return this;\n }\n if (listener) {\n const listeners = this._anyListeners;\n for (let i = 0; i < listeners.length; i++) {\n if (listener === listeners[i]) {\n listeners.splice(i, 1);\n return this;\n }\n }\n }\n else {\n this._anyListeners = [];\n }\n return this;\n }\n /**\n * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,\n * e.g. to remove listeners.\n */\n listenersAny() {\n return this._anyListeners || [];\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback.\n *\n * Note: acknowledgements sent to the server are not included.\n *\n * @example\n * socket.onAnyOutgoing((event, ...args) => {\n * console.log(`sent event ${event}`);\n * });\n *\n * @param listener\n */\n onAnyOutgoing(listener) {\n this._anyOutgoingListeners = this._anyOutgoingListeners || [];\n this._anyOutgoingListeners.push(listener);\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback. The listener is added to the beginning of the listeners array.\n *\n * Note: acknowledgements sent to the server are not included.\n *\n * @example\n * socket.prependAnyOutgoing((event, ...args) => {\n * console.log(`sent event ${event}`);\n * });\n *\n * @param listener\n */\n prependAnyOutgoing(listener) {\n this._anyOutgoingListeners = this._anyOutgoingListeners || [];\n this._anyOutgoingListeners.unshift(listener);\n return this;\n }\n /**\n * Removes the listener that will be fired when any event is emitted.\n *\n * @example\n * const catchAllListener = (event, ...args) => {\n * console.log(`sent event ${event}`);\n * }\n *\n * socket.onAnyOutgoing(catchAllListener);\n *\n * // remove a specific listener\n * socket.offAnyOutgoing(catchAllListener);\n *\n * // or remove all listeners\n * socket.offAnyOutgoing();\n *\n * @param [listener] - the catch-all listener (optional)\n */\n offAnyOutgoing(listener) {\n if (!this._anyOutgoingListeners) {\n return this;\n }\n if (listener) {\n const listeners = this._anyOutgoingListeners;\n for (let i = 0; i < listeners.length; i++) {\n if (listener === listeners[i]) {\n listeners.splice(i, 1);\n return this;\n }\n }\n }\n else {\n this._anyOutgoingListeners = [];\n }\n return this;\n }\n /**\n * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,\n * e.g. to remove listeners.\n */\n listenersAnyOutgoing() {\n return this._anyOutgoingListeners || [];\n }\n /**\n * Notify the listeners for each packet sent\n *\n * @param packet\n *\n * @private\n */\n notifyOutgoingListeners(packet) {\n if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) {\n const listeners = this._anyOutgoingListeners.slice();\n for (const listener of listeners) {\n listener.apply(this, packet.data);\n }\n }\n }\n}\n","/**\n * Initialize backoff timer with `opts`.\n *\n * - `min` initial timeout in milliseconds [100]\n * - `max` max timeout [10000]\n * - `jitter` [0]\n * - `factor` [2]\n *\n * @param {Object} opts\n * @api public\n */\nexport function Backoff(opts) {\n opts = opts || {};\n this.ms = opts.min || 100;\n this.max = opts.max || 10000;\n this.factor = opts.factor || 2;\n this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;\n this.attempts = 0;\n}\n/**\n * Return the backoff duration.\n *\n * @return {Number}\n * @api public\n */\nBackoff.prototype.duration = function () {\n var ms = this.ms * Math.pow(this.factor, this.attempts++);\n if (this.jitter) {\n var rand = Math.random();\n var deviation = Math.floor(rand * this.jitter * ms);\n ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;\n }\n return Math.min(ms, this.max) | 0;\n};\n/**\n * Reset the number of attempts.\n *\n * @api public\n */\nBackoff.prototype.reset = function () {\n this.attempts = 0;\n};\n/**\n * Set the minimum duration\n *\n * @api public\n */\nBackoff.prototype.setMin = function (min) {\n this.ms = min;\n};\n/**\n * Set the maximum duration\n *\n * @api public\n */\nBackoff.prototype.setMax = function (max) {\n this.max = max;\n};\n/**\n * Set the jitter\n *\n * @api public\n */\nBackoff.prototype.setJitter = function (jitter) {\n this.jitter = jitter;\n};\n","import { Socket as Engine, installTimerFunctions, nextTick, } from \"engine.io-client\";\nimport { Socket } from \"./socket.js\";\nimport * as parser from \"socket.io-parser\";\nimport { on } from \"./on.js\";\nimport { Backoff } from \"./contrib/backo2.js\";\nimport { Emitter, } from \"@socket.io/component-emitter\";\nexport class Manager extends Emitter {\n constructor(uri, opts) {\n var _a;\n super();\n this.nsps = {};\n this.subs = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n opts.path = opts.path || \"/socket.io\";\n this.opts = opts;\n installTimerFunctions(this, opts);\n this.reconnection(opts.reconnection !== false);\n this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);\n this.reconnectionDelay(opts.reconnectionDelay || 1000);\n this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);\n this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5);\n this.backoff = new Backoff({\n min: this.reconnectionDelay(),\n max: this.reconnectionDelayMax(),\n jitter: this.randomizationFactor(),\n });\n this.timeout(null == opts.timeout ? 20000 : opts.timeout);\n this._readyState = \"closed\";\n this.uri = uri;\n const _parser = opts.parser || parser;\n this.encoder = new _parser.Encoder();\n this.decoder = new _parser.Decoder();\n this._autoConnect = opts.autoConnect !== false;\n if (this._autoConnect)\n this.open();\n }\n reconnection(v) {\n if (!arguments.length)\n return this._reconnection;\n this._reconnection = !!v;\n return this;\n }\n reconnectionAttempts(v) {\n if (v === undefined)\n return this._reconnectionAttempts;\n this._reconnectionAttempts = v;\n return this;\n }\n reconnectionDelay(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelay;\n this._reconnectionDelay = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v);\n return this;\n }\n randomizationFactor(v) {\n var _a;\n if (v === undefined)\n return this._randomizationFactor;\n this._randomizationFactor = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v);\n return this;\n }\n reconnectionDelayMax(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelayMax;\n this._reconnectionDelayMax = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v);\n return this;\n }\n timeout(v) {\n if (!arguments.length)\n return this._timeout;\n this._timeout = v;\n return this;\n }\n /**\n * Starts trying to reconnect if reconnection is enabled and we have not\n * started reconnecting yet\n *\n * @private\n */\n maybeReconnectOnOpen() {\n // Only try to reconnect if it's the first time we're connecting\n if (!this._reconnecting &&\n this._reconnection &&\n this.backoff.attempts === 0) {\n // keeps reconnection from firing twice for the same reconnection loop\n this.reconnect();\n }\n }\n /**\n * Sets the current transport `socket`.\n *\n * @param {Function} fn - optional, callback\n * @return self\n * @public\n */\n open(fn) {\n if (~this._readyState.indexOf(\"open\"))\n return this;\n this.engine = new Engine(this.uri, this.opts);\n const socket = this.engine;\n const self = this;\n this._readyState = \"opening\";\n this.skipReconnect = false;\n // emit `open`\n const openSubDestroy = on(socket, \"open\", function () {\n self.onopen();\n fn && fn();\n });\n const onError = (err) => {\n this.cleanup();\n this._readyState = \"closed\";\n this.emitReserved(\"error\", err);\n if (fn) {\n fn(err);\n }\n else {\n // Only do this if there is no fn to handle the error\n this.maybeReconnectOnOpen();\n }\n };\n // emit `error`\n const errorSub = on(socket, \"error\", onError);\n if (false !== this._timeout) {\n const timeout = this._timeout;\n // set timer\n const timer = this.setTimeoutFn(() => {\n openSubDestroy();\n onError(new Error(\"timeout\"));\n socket.close();\n }, timeout);\n if (this.opts.autoUnref) {\n timer.unref();\n }\n this.subs.push(() => {\n this.clearTimeoutFn(timer);\n });\n }\n this.subs.push(openSubDestroy);\n this.subs.push(errorSub);\n return this;\n }\n /**\n * Alias for open()\n *\n * @return self\n * @public\n */\n connect(fn) {\n return this.open(fn);\n }\n /**\n * Called upon transport open.\n *\n * @private\n */\n onopen() {\n // clear old subs\n this.cleanup();\n // mark as open\n this._readyState = \"open\";\n this.emitReserved(\"open\");\n // add new subs\n const socket = this.engine;\n this.subs.push(on(socket, \"ping\", this.onping.bind(this)), on(socket, \"data\", this.ondata.bind(this)), on(socket, \"error\", this.onerror.bind(this)), on(socket, \"close\", this.onclose.bind(this)), on(this.decoder, \"decoded\", this.ondecoded.bind(this)));\n }\n /**\n * Called upon a ping.\n *\n * @private\n */\n onping() {\n this.emitReserved(\"ping\");\n }\n /**\n * Called with data.\n *\n * @private\n */\n ondata(data) {\n try {\n this.decoder.add(data);\n }\n catch (e) {\n this.onclose(\"parse error\", e);\n }\n }\n /**\n * Called when parser fully decodes a packet.\n *\n * @private\n */\n ondecoded(packet) {\n // the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a \"parse error\"\n nextTick(() => {\n this.emitReserved(\"packet\", packet);\n }, this.setTimeoutFn);\n }\n /**\n * Called upon socket error.\n *\n * @private\n */\n onerror(err) {\n this.emitReserved(\"error\", err);\n }\n /**\n * Creates a new socket for the given `nsp`.\n *\n * @return {Socket}\n * @public\n */\n socket(nsp, opts) {\n let socket = this.nsps[nsp];\n if (!socket) {\n socket = new Socket(this, nsp, opts);\n this.nsps[nsp] = socket;\n }\n else if (this._autoConnect && !socket.active) {\n socket.connect();\n }\n return socket;\n }\n /**\n * Called upon a socket close.\n *\n * @param socket\n * @private\n */\n _destroy(socket) {\n const nsps = Object.keys(this.nsps);\n for (const nsp of nsps) {\n const socket = this.nsps[nsp];\n if (socket.active) {\n return;\n }\n }\n this._close();\n }\n /**\n * Writes a packet.\n *\n * @param packet\n * @private\n */\n _packet(packet) {\n const encodedPackets = this.encoder.encode(packet);\n for (let i = 0; i < encodedPackets.length; i++) {\n this.engine.write(encodedPackets[i], packet.options);\n }\n }\n /**\n * Clean up transport subscriptions and packet buffer.\n *\n * @private\n */\n cleanup() {\n this.subs.forEach((subDestroy) => subDestroy());\n this.subs.length = 0;\n this.decoder.destroy();\n }\n /**\n * Close the current socket.\n *\n * @private\n */\n _close() {\n this.skipReconnect = true;\n this._reconnecting = false;\n this.onclose(\"forced close\");\n if (this.engine)\n this.engine.close();\n }\n /**\n * Alias for close()\n *\n * @private\n */\n disconnect() {\n return this._close();\n }\n /**\n * Called upon engine close.\n *\n * @private\n */\n onclose(reason, description) {\n this.cleanup();\n this.backoff.reset();\n this._readyState = \"closed\";\n this.emitReserved(\"close\", reason, description);\n if (this._reconnection && !this.skipReconnect) {\n this.reconnect();\n }\n }\n /**\n * Attempt a reconnection.\n *\n * @private\n */\n reconnect() {\n if (this._reconnecting || this.skipReconnect)\n return this;\n const self = this;\n if (this.backoff.attempts >= this._reconnectionAttempts) {\n this.backoff.reset();\n this.emitReserved(\"reconnect_failed\");\n this._reconnecting = false;\n }\n else {\n const delay = this.backoff.duration();\n this._reconnecting = true;\n const timer = this.setTimeoutFn(() => {\n if (self.skipReconnect)\n return;\n this.emitReserved(\"reconnect_attempt\", self.backoff.attempts);\n // check again for the case socket closed in above events\n if (self.skipReconnect)\n return;\n self.open((err) => {\n if (err) {\n self._reconnecting = false;\n self.reconnect();\n this.emitReserved(\"reconnect_error\", err);\n }\n else {\n self.onreconnect();\n }\n });\n }, delay);\n if (this.opts.autoUnref) {\n timer.unref();\n }\n this.subs.push(() => {\n this.clearTimeoutFn(timer);\n });\n }\n }\n /**\n * Called upon successful reconnect.\n *\n * @private\n */\n onreconnect() {\n const attempt = this.backoff.attempts;\n this._reconnecting = false;\n this.backoff.reset();\n this.emitReserved(\"reconnect\", attempt);\n }\n}\n","import { url } from \"./url.js\";\nimport { Manager } from \"./manager.js\";\nimport { Socket } from \"./socket.js\";\n/**\n * Managers cache.\n */\nconst cache = {};\nfunction lookup(uri, opts) {\n if (typeof uri === \"object\") {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n const parsed = url(uri, opts.path || \"/socket.io\");\n const source = parsed.source;\n const id = parsed.id;\n const path = parsed.path;\n const sameNamespace = cache[id] && path in cache[id][\"nsps\"];\n const newConnection = opts.forceNew ||\n opts[\"force new connection\"] ||\n false === opts.multiplex ||\n sameNamespace;\n let io;\n if (newConnection) {\n io = new Manager(source, opts);\n }\n else {\n if (!cache[id]) {\n cache[id] = new Manager(source, opts);\n }\n io = cache[id];\n }\n if (parsed.query && !opts.query) {\n opts.query = parsed.queryKey;\n }\n return io.socket(parsed.path, opts);\n}\n// so that \"lookup\" can be used both as a function (e.g. `io(...)`) and as a\n// namespace (e.g. `io.connect(...)`), for backward compatibility\nObject.assign(lookup, {\n Manager,\n Socket,\n io: lookup,\n connect: lookup,\n});\n/**\n * Protocol version.\n *\n * @public\n */\nexport { protocol } from \"socket.io-parser\";\n/**\n * Expose constructors for standalone build.\n *\n * @public\n */\nexport { Manager, Socket, lookup as io, lookup as connect, lookup as default, };\n","import { parse } from \"engine.io-client\";\n/**\n * URL parser.\n *\n * @param uri - url\n * @param path - the request path of the connection\n * @param loc - An object meant to mimic window.location.\n * Defaults to window.location.\n * @public\n */\nexport function url(uri, path = \"\", loc) {\n let obj = uri;\n // default to window.location\n loc = loc || (typeof location !== \"undefined\" && location);\n if (null == uri)\n uri = loc.protocol + \"//\" + loc.host;\n // relative path support\n if (typeof uri === \"string\") {\n if (\"/\" === uri.charAt(0)) {\n if (\"/\" === uri.charAt(1)) {\n uri = loc.protocol + uri;\n }\n else {\n uri = loc.host + uri;\n }\n }\n if (!/^(https?|wss?):\\/\\//.test(uri)) {\n if (\"undefined\" !== typeof loc) {\n uri = loc.protocol + \"//\" + uri;\n }\n else {\n uri = \"https://\" + uri;\n }\n }\n // parse\n obj = parse(uri);\n }\n // make sure we treat `localhost:80` and `localhost` equally\n if (!obj.port) {\n if (/^(http|ws)$/.test(obj.protocol)) {\n obj.port = \"80\";\n }\n else if (/^(http|ws)s$/.test(obj.protocol)) {\n obj.port = \"443\";\n }\n }\n obj.path = obj.path || \"/\";\n const ipv6 = obj.host.indexOf(\":\") !== -1;\n const host = ipv6 ? \"[\" + obj.host + \"]\" : obj.host;\n // define unique id\n obj.id = obj.protocol + \"://\" + host + \":\" + obj.port + path;\n // define href\n obj.href =\n obj.protocol +\n \"://\" +\n host +\n (loc && loc.port === 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i=this._view.getInt32(this._offset)*Math.pow(2,32),o=this._view.getUint32(this._offset+4),this._offset+=8,i+o;case 212:return r=this._view.getInt8(this._offset),this._offset+=1,0===r?void(this._offset+=1):[r,this._bin(1)];case 213:return r=this._view.getInt8(this._offset),this._offset+=1,[r,this._bin(2)];case 214:return r=this._view.getInt8(this._offset),this._offset+=1,[r,this._bin(4)];case 215:return r=this._view.getInt8(this._offset),this._offset+=1,0===r?(i=this._view.getInt32(this._offset)*Math.pow(2,32),o=this._view.getUint32(this._offset+4),this._offset+=8,new Date(i+o)):[r,this._bin(8)];case 216:return r=this._view.getInt8(this._offset),this._offset+=1,[r,this._bin(16)];case 217:return n=this._view.getUint8(this._offset),this._offset+=1,this._str(n);case 218:return n=this._view.getUint16(this._offset),this._offset+=2,this._str(n);case 219:return n=this._view.getUint32(this._offset),this._offset+=4,this._str(n);case 220:return 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n.fn=e,this.on(t,n),this},e.prototype.off=e.prototype.removeListener=e.prototype.removeAllListeners=e.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var n,r=this._callbacks["$"+t];if(!r)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var i=0;i=Ut.CONNECT&&t.type<=Ut.CONNECT_ERROR))throw new Error("invalid packet type");if(!Bt(t.nsp))throw new Error("invalid namespace");if(!function(t){switch(t.type){case Ut.CONNECT:return void 0===t.data||qt(t.data);case Ut.DISCONNECT:return void 0===t.data;case Ut.CONNECT_ERROR:return Bt(t.data)||qt(t.data);default:return Array.isArray(t.data)}}(t))throw new Error("invalid payload");if(!(void 0===t.id||xt(t.id)))throw new Error("invalid packet id")},jt.prototype.destroy=function(){};var Dt=_t.Encoder=Pt,Nt=_t.Decoder=jt,Mt=t({__proto__:null,default:_t,protocol:Lt,get PacketType(){return Ct},Encoder:Dt,Decoder:Nt},[_t]);function It(t,e,n){return t.on(e,n),function(){t.off(e,n)}}var Ft=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1}),Ht=function(t){s(r,t);var e=p(r);function r(t,i,s){var a;return n(this,r),(a=e.call(this)).connected=!1,a.recovered=!1,a.receiveBuffer=[],a.sendBuffer=[],a._queue=[],a._queueSeq=0,a.ids=0,a.acks={},a.flags={},a.io=t,a.nsp=i,s&&s.auth&&(a.auth=s.auth),a._opts=o({},s),a.io._autoConnect&&a.open(),a}return i(r,[{key:"disconnected",get:function(){return!this.connected}},{key:"subEvents",value:function(){if(!this.subs){var t=this.io;this.subs=[It(t,"open",this.onopen.bind(this)),It(t,"packet",this.onpacket.bind(this)),It(t,"error",this.onerror.bind(this)),It(t,"close",this.onclose.bind(this))]}}},{key:"active",get:function(){return!!this.subs}},{key:"connect",value:function(){return this.connected||(this.subEvents(),this.io._reconnecting||this.io.open(),"open"===this.io._readyState&&this.onopen()),this}},{key:"open",value:function(){return this.connect()}},{key:"send",value:function(){for(var t=arguments.length,e=new Array(t),n=0;n1?e-1:0),r=1;r1?n-1:0),i=1;in._opts.retries&&(n._queue.shift(),e&&e(t));else if(n._queue.shift(),e){for(var i=arguments.length,o=new Array(i>1?i-1:0),s=1;s0&&void 0!==arguments[0]&&arguments[0];if(this.connected&&0!==this._queue.length){var e=this._queue[0];e.pending&&!t||(e.pending=!0,e.tryCount++,this.flags=e.flags,this.emit.apply(this,e.args))}}},{key:"packet",value:function(t){t.nsp=this.nsp,this.io._packet(t)}},{key:"onopen",value:function(){var t=this;"function"==typeof this.auth?this.auth((function(e){t._sendConnectPacket(e)})):this._sendConnectPacket(this.auth)}},{key:"_sendConnectPacket",value:function(t){this.packet({type:Ct.CONNECT,data:this._pid?o({pid:this._pid,offset:this._lastOffset},t):t})}},{key:"onerror",value:function(t){this.connected||this.emitReserved("connect_error",t)}},{key:"onclose",value:function(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}},{key:"onpacket",value:function(t){if(t.nsp===this.nsp)switch(t.type){case Ct.CONNECT:t.data&&t.data.sid?this.onconnect(t.data.sid,t.data.pid):this.emitReserved("connect_error",new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)"));break;case Ct.EVENT:case Ct.BINARY_EVENT:this.onevent(t);break;case Ct.ACK:case Ct.BINARY_ACK:this.onack(t);break;case Ct.DISCONNECT:this.ondisconnect();break;case Ct.CONNECT_ERROR:this.destroy();var e=new Error(t.data.message);e.data=t.data.data,this.emitReserved("connect_error",e)}}},{key:"onevent",value:function(t){var e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}},{key:"emitEvent",value:function(t){if(this._anyListeners&&this._anyListeners.length){var e,n=v(this._anyListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t)}}catch(t){n.e(t)}finally{n.f()}}d(a(r.prototype),"emit",this).apply(this,t),this._pid&&t.length&&"string"==typeof t[t.length-1]&&(this._lastOffset=t[t.length-1])}},{key:"ack",value:function(t){var e=this,n=!1;return function(){if(!n){n=!0;for(var r=arguments.length,i=new Array(r),o=0;o0&&t.jitter<=1?t.jitter:0,this.attempts=0}$t.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),n=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-n:t+n}return 0|Math.min(t,this.max)},$t.prototype.reset=function(){this.attempts=0},$t.prototype.setMin=function(t){this.ms=t},$t.prototype.setMax=function(t){this.max=t},$t.prototype.setJitter=function(t){this.jitter=t};var Vt=function(t){s(o,t);var r=p(o);function o(t,i){var s,a;n(this,o),(s=r.call(this)).nsps={},s.subs=[],t&&"object"===e(t)&&(i=t,t=void 0),(i=i||{}).path=i.path||"/socket.io",s.opts=i,V(l(s),i),s.reconnection(!1!==i.reconnection),s.reconnectionAttempts(i.reconnectionAttempts||1/0),s.reconnectionDelay(i.reconnectionDelay||1e3),s.reconnectionDelayMax(i.reconnectionDelayMax||5e3),s.randomizationFactor(null!==(a=i.randomizationFactor)&&void 0!==a?a:.5),s.backoff=new $t({min:s.reconnectionDelay(),max:s.reconnectionDelayMax(),jitter:s.randomizationFactor()}),s.timeout(null==i.timeout?2e4:i.timeout),s._readyState="closed",s.uri=t;var u=i.parser||Mt;return s.encoder=new u.Encoder,s.decoder=new u.Decoder,s._autoConnect=!1!==i.autoConnect,s._autoConnect&&s.open(),s}return i(o,[{key:"reconnection",value:function(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}},{key:"reconnectionAttempts",value:function(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}},{key:"reconnectionDelay",value:function(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}},{key:"randomizationFactor",value:function(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}},{key:"reconnectionDelayMax",value:function(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}},{key:"timeout",value:function(t){return arguments.length?(this._timeout=t,this):this._timeout}},{key:"maybeReconnectOnOpen",value:function(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}},{key:"open",value:function(t){var e=this;if(~this._readyState.indexOf("open"))return this;this.engine=new mt(this.uri,this.opts);var n=this.engine,r=this;this._readyState="opening",this.skipReconnect=!1;var i=It(n,"open",(function(){r.onopen(),t&&t()})),o=function(n){e.cleanup(),e._readyState="closed",e.emitReserved("error",n),t?t(n):e.maybeReconnectOnOpen()},s=It(n,"error",o);if(!1!==this._timeout){var a=this._timeout,u=this.setTimeoutFn((function(){i(),o(new Error("timeout")),n.close()}),a);this.opts.autoUnref&&u.unref(),this.subs.push((function(){e.clearTimeoutFn(u)}))}return this.subs.push(i),this.subs.push(s),this}},{key:"connect",value:function(t){return this.open(t)}},{key:"onopen",value:function(){this.cleanup(),this._readyState="open",this.emitReserved("open");var t=this.engine;this.subs.push(It(t,"ping",this.onping.bind(this)),It(t,"data",this.ondata.bind(this)),It(t,"error",this.onerror.bind(this)),It(t,"close",this.onclose.bind(this)),It(this.decoder,"decoded",this.ondecoded.bind(this)))}},{key:"onping",value:function(){this.emitReserved("ping")}},{key:"ondata",value:function(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}}},{key:"ondecoded",value:function(t){var e=this;ct((function(){e.emitReserved("packet",t)}),this.setTimeoutFn)}},{key:"onerror",value:function(t){this.emitReserved("error",t)}},{key:"socket",value:function(t,e){var n=this.nsps[t];return n?this._autoConnect&&!n.active&&n.connect():(n=new Ht(this,t,e),this.nsps[t]=n),n}},{key:"_destroy",value:function(t){for(var e=0,n=Object.keys(this.nsps);e=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{var n=this.backoff.duration();this._reconnecting=!0;var r=this.setTimeoutFn((function(){e.skipReconnect||(t.emitReserved("reconnect_attempt",e.backoff.attempts),e.skipReconnect||e.open((function(n){n?(e._reconnecting=!1,e.reconnect(),t.emitReserved("reconnect_error",n)):e.onreconnect()})))}),n);this.opts.autoUnref&&r.unref(),this.subs.push((function(){t.clearTimeoutFn(r)}))}}},{key:"onreconnect",value:function(){var t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}]),o}(M),Wt={};function zt(t,n){"object"===e(t)&&(n=t,t=void 0);var r,i=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"",n=arguments.length>2?arguments[2]:void 0,r=t;n=n||"undefined"!=typeof location&&location,null==t&&(t=n.protocol+"//"+n.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?n.protocol+t:n.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==n?n.protocol+"//"+t:"https://"+t),r=gt(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";var i=-1!==r.host.indexOf(":")?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+i+":"+r.port+e,r.href=r.protocol+"://"+i+(n&&n.port===r.port?"":":"+r.port),r}(t,(n=n||{}).path||"/socket.io"),o=i.source,s=i.id,a=i.path,u=Wt[s]&&a in Wt[s].nsps;return n.forceNew||n["force new connection"]||!1===n.multiplex||u?r=new Vt(o,n):(Wt[s]||(Wt[s]=new Vt(o,n)),r=Wt[s]),i.query&&!n.query&&(n.query=i.queryKey),r.socket(i.path,n)}return o(zt,{Manager:Vt,Socket:Ht,io:zt,connect:zt}),zt})); +//# sourceMappingURL=socket.io.msgpack.min.js.map diff --git a/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.msgpack.min.js.map b/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.msgpack.min.js.map new file mode 100644 index 00000000..0244c60c --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.msgpack.min.js.map @@ -0,0 +1 @@ +{"version":3,"file":"socket.io.msgpack.min.js","sources":["../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/commons.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/encodePacket.browser.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/index.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/decodePacket.browser.js","../node_modules/@socket.io/component-emitter/index.mjs","../node_modules/engine.io-client/build/esm/globalThis.browser.js","../node_modules/engine.io-client/build/esm/util.js","../node_modules/engine.io-client/build/esm/transport.js","../node_modules/engine.io-client/build/esm/contrib/yeast.js","../node_modules/engine.io-client/build/esm/contrib/parseqs.js","../node_modules/engine.io-client/build/esm/contrib/has-cors.js","../node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.js","../node_modules/engine.io-client/build/esm/transports/polling.js","../node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.js","../node_modules/engine.io-client/build/esm/transports/websocket.js","../node_modules/engine.io-client/build/esm/transports/webtransport.js","../node_modules/engine.io-client/build/esm/transports/index.js","../node_modules/engine.io-client/build/esm/contrib/parseuri.js","../node_modules/engine.io-client/build/esm/socket.js","../node_modules/engine.io-client/build/esm/index.js","../node_modules/notepack.io/browser/encode.js","../node_modules/notepack.io/browser/decode.js","../node_modules/notepack.io/lib/index.js","../node_modules/component-emitter/index.js","../node_modules/socket.io-msgpack-parser/index.js","../build/esm/on.js","../build/esm/socket.js","../build/esm/contrib/backo2.js","../build/esm/manager.js","../build/esm/index.js","../build/esm/url.js"],"sourcesContent":["const PACKET_TYPES = Object.create(null); // no Map = no polyfill\nPACKET_TYPES[\"open\"] = \"0\";\nPACKET_TYPES[\"close\"] = \"1\";\nPACKET_TYPES[\"ping\"] = \"2\";\nPACKET_TYPES[\"pong\"] = \"3\";\nPACKET_TYPES[\"message\"] = \"4\";\nPACKET_TYPES[\"upgrade\"] = \"5\";\nPACKET_TYPES[\"noop\"] = \"6\";\nconst PACKET_TYPES_REVERSE = Object.create(null);\nObject.keys(PACKET_TYPES).forEach(key => {\n PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;\n});\nconst ERROR_PACKET = { type: \"error\", data: \"parser error\" };\nexport { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET };\n","import { PACKET_TYPES } from \"./commons.js\";\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n Object.prototype.toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\n// ArrayBuffer.isView method is not defined in IE10\nconst isView = obj => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj && obj.buffer instanceof ArrayBuffer;\n};\nconst encodePacket = ({ type, data }, supportsBinary, callback) => {\n if (withNativeBlob && data instanceof Blob) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(data, callback);\n }\n }\n else if (withNativeArrayBuffer &&\n (data instanceof ArrayBuffer || isView(data))) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(new Blob([data]), callback);\n }\n }\n // plain string\n return callback(PACKET_TYPES[type] + (data || \"\"));\n};\nconst encodeBlobAsBase64 = (data, callback) => {\n const fileReader = new FileReader();\n fileReader.onload = function () {\n const content = fileReader.result.split(\",\")[1];\n callback(\"b\" + (content || \"\"));\n };\n return fileReader.readAsDataURL(data);\n};\nfunction toArray(data) {\n if (data instanceof Uint8Array) {\n return data;\n }\n else if (data instanceof ArrayBuffer) {\n return new Uint8Array(data);\n }\n else {\n return new Uint8Array(data.buffer, data.byteOffset, data.byteLength);\n }\n}\nlet TEXT_ENCODER;\nexport function encodePacketToBinary(packet, callback) {\n if (withNativeBlob && packet.data instanceof Blob) {\n return packet.data\n .arrayBuffer()\n .then(toArray)\n .then(callback);\n }\n else if (withNativeArrayBuffer &&\n (packet.data instanceof ArrayBuffer || isView(packet.data))) {\n return callback(toArray(packet.data));\n }\n encodePacket(packet, false, encoded => {\n if (!TEXT_ENCODER) {\n TEXT_ENCODER = new TextEncoder();\n }\n callback(TEXT_ENCODER.encode(encoded));\n });\n}\nexport { encodePacket };\n","// imported from https://github.com/socketio/base64-arraybuffer\nconst chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\n// Use a lookup table to find the index.\nconst lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256);\nfor (let i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n}\nexport const encode = (arraybuffer) => {\n let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = '';\n for (i = 0; i < len; i += 3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n if (len % 3 === 2) {\n base64 = base64.substring(0, base64.length - 1) + '=';\n }\n else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + '==';\n }\n return base64;\n};\nexport const decode = (base64) => {\n let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;\n if (base64[base64.length - 1] === '=') {\n bufferLength--;\n if (base64[base64.length - 2] === '=') {\n bufferLength--;\n }\n }\n const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);\n for (i = 0; i < len; i += 4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i + 1)];\n encoded3 = lookup[base64.charCodeAt(i + 2)];\n encoded4 = lookup[base64.charCodeAt(i + 3)];\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n return arraybuffer;\n};\n","import { encodePacket, encodePacketToBinary } from \"./encodePacket.js\";\nimport { decodePacket } from \"./decodePacket.js\";\nimport { ERROR_PACKET } from \"./commons.js\";\nconst SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text\nconst encodePayload = (packets, callback) => {\n // some packets may be added to the array while encoding, so the initial length must be saved\n const length = packets.length;\n const encodedPackets = new Array(length);\n let count = 0;\n packets.forEach((packet, i) => {\n // force base64 encoding for binary packets\n encodePacket(packet, false, encodedPacket => {\n encodedPackets[i] = encodedPacket;\n if (++count === length) {\n callback(encodedPackets.join(SEPARATOR));\n }\n });\n });\n};\nconst decodePayload = (encodedPayload, binaryType) => {\n const encodedPackets = encodedPayload.split(SEPARATOR);\n const packets = [];\n for (let i = 0; i < encodedPackets.length; i++) {\n const decodedPacket = decodePacket(encodedPackets[i], binaryType);\n packets.push(decodedPacket);\n if (decodedPacket.type === \"error\") {\n break;\n }\n }\n return packets;\n};\nexport function createPacketEncoderStream() {\n return new TransformStream({\n transform(packet, controller) {\n encodePacketToBinary(packet, encodedPacket => {\n const payloadLength = encodedPacket.length;\n let header;\n // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length\n if (payloadLength < 126) {\n header = new Uint8Array(1);\n new DataView(header.buffer).setUint8(0, payloadLength);\n }\n else if (payloadLength < 65536) {\n header = new Uint8Array(3);\n const view = new DataView(header.buffer);\n view.setUint8(0, 126);\n view.setUint16(1, payloadLength);\n }\n else {\n header = new Uint8Array(9);\n const view = new DataView(header.buffer);\n view.setUint8(0, 127);\n view.setBigUint64(1, BigInt(payloadLength));\n }\n // first bit indicates whether the payload is plain text (0) or binary (1)\n if (packet.data && typeof packet.data !== \"string\") {\n header[0] |= 0x80;\n }\n controller.enqueue(header);\n controller.enqueue(encodedPacket);\n });\n }\n });\n}\nlet TEXT_DECODER;\nfunction totalLength(chunks) {\n return chunks.reduce((acc, chunk) => acc + chunk.length, 0);\n}\nfunction concatChunks(chunks, size) {\n if (chunks[0].length === size) {\n return chunks.shift();\n }\n const buffer = new Uint8Array(size);\n let j = 0;\n for (let i = 0; i < size; i++) {\n buffer[i] = chunks[0][j++];\n if (j === chunks[0].length) {\n chunks.shift();\n j = 0;\n }\n }\n if (chunks.length && j < chunks[0].length) {\n chunks[0] = chunks[0].slice(j);\n }\n return buffer;\n}\nexport function createPacketDecoderStream(maxPayload, binaryType) {\n if (!TEXT_DECODER) {\n TEXT_DECODER = new TextDecoder();\n }\n const chunks = [];\n let state = 0 /* READ_HEADER */;\n let expectedLength = -1;\n let isBinary = false;\n return new TransformStream({\n transform(chunk, controller) {\n chunks.push(chunk);\n while (true) {\n if (state === 0 /* READ_HEADER */) {\n if (totalLength(chunks) < 1) {\n break;\n }\n const header = concatChunks(chunks, 1);\n isBinary = (header[0] & 0x80) === 0x80;\n expectedLength = header[0] & 0x7f;\n if (expectedLength < 126) {\n state = 3 /* READ_PAYLOAD */;\n }\n else if (expectedLength === 126) {\n state = 1 /* READ_EXTENDED_LENGTH_16 */;\n }\n else {\n state = 2 /* READ_EXTENDED_LENGTH_64 */;\n }\n }\n else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) {\n if (totalLength(chunks) < 2) {\n break;\n }\n const headerArray = concatChunks(chunks, 2);\n expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0);\n state = 3 /* READ_PAYLOAD */;\n }\n else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) {\n if (totalLength(chunks) < 8) {\n break;\n }\n const headerArray = concatChunks(chunks, 8);\n const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length);\n const n = view.getUint32(0);\n if (n > Math.pow(2, 53 - 32) - 1) {\n // the maximum safe integer in JavaScript is 2^53 - 1\n controller.enqueue(ERROR_PACKET);\n break;\n }\n expectedLength = n * Math.pow(2, 32) + view.getUint32(4);\n state = 3 /* READ_PAYLOAD */;\n }\n else {\n if (totalLength(chunks) < expectedLength) {\n break;\n }\n const data = concatChunks(chunks, expectedLength);\n controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType));\n state = 0 /* READ_HEADER */;\n }\n if (expectedLength === 0 || expectedLength > maxPayload) {\n controller.enqueue(ERROR_PACKET);\n break;\n }\n }\n }\n });\n}\nexport const protocol = 4;\nexport { encodePacket, encodePayload, decodePacket, decodePayload };\n","import { ERROR_PACKET, PACKET_TYPES_REVERSE } from \"./commons.js\";\nimport { decode } from \"./contrib/base64-arraybuffer.js\";\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nexport const decodePacket = (encodedPacket, binaryType) => {\n if (typeof encodedPacket !== \"string\") {\n return {\n type: \"message\",\n data: mapBinary(encodedPacket, binaryType)\n };\n }\n const type = encodedPacket.charAt(0);\n if (type === \"b\") {\n return {\n type: \"message\",\n data: decodeBase64Packet(encodedPacket.substring(1), binaryType)\n };\n }\n const packetType = PACKET_TYPES_REVERSE[type];\n if (!packetType) {\n return ERROR_PACKET;\n }\n return encodedPacket.length > 1\n ? {\n type: PACKET_TYPES_REVERSE[type],\n data: encodedPacket.substring(1)\n }\n : {\n type: PACKET_TYPES_REVERSE[type]\n };\n};\nconst decodeBase64Packet = (data, binaryType) => {\n if (withNativeArrayBuffer) {\n const decoded = decode(data);\n return mapBinary(decoded, binaryType);\n }\n else {\n return { base64: true, data }; // fallback for old browsers\n }\n};\nconst mapBinary = (data, binaryType) => {\n switch (binaryType) {\n case \"blob\":\n if (data instanceof Blob) {\n // from WebSocket + binaryType \"blob\"\n return data;\n }\n else {\n // from HTTP long-polling or WebTransport\n return new Blob([data]);\n }\n case \"arraybuffer\":\n default:\n if (data instanceof ArrayBuffer) {\n // from HTTP long-polling (base64) or WebSocket + binaryType \"arraybuffer\"\n return data;\n }\n else {\n // from WebTransport (Uint8Array)\n return data.buffer;\n }\n }\n};\n","/**\n * Initialize a new `Emitter`.\n *\n * @api public\n */\n\nexport function Emitter(obj) {\n if (obj) return mixin(obj);\n}\n\n/**\n * Mixin the emitter properties.\n *\n * @param {Object} obj\n * @return {Object}\n * @api private\n */\n\nfunction mixin(obj) {\n for (var key in Emitter.prototype) {\n obj[key] = Emitter.prototype[key];\n }\n return obj;\n}\n\n/**\n * Listen on the given `event` with `fn`.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.on =\nEmitter.prototype.addEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\n .push(fn);\n return this;\n};\n\n/**\n * Adds an `event` listener that will be invoked a single\n * time then automatically removed.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.once = function(event, fn){\n function on() {\n this.off(event, on);\n fn.apply(this, arguments);\n }\n\n on.fn = fn;\n this.on(event, on);\n return this;\n};\n\n/**\n * Remove the given callback for `event` or all\n * registered callbacks.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.off =\nEmitter.prototype.removeListener =\nEmitter.prototype.removeAllListeners =\nEmitter.prototype.removeEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n\n // all\n if (0 == arguments.length) {\n this._callbacks = {};\n return this;\n }\n\n // specific event\n var callbacks = this._callbacks['$' + event];\n if (!callbacks) return this;\n\n // remove all handlers\n if (1 == arguments.length) {\n delete this._callbacks['$' + event];\n return this;\n }\n\n // remove specific handler\n var cb;\n for (var i = 0; i < callbacks.length; i++) {\n cb = callbacks[i];\n if (cb === fn || cb.fn === fn) {\n callbacks.splice(i, 1);\n break;\n }\n }\n\n // Remove event specific arrays for event types that no\n // one is subscribed for to avoid memory leak.\n if (callbacks.length === 0) {\n delete this._callbacks['$' + event];\n }\n\n return this;\n};\n\n/**\n * Emit `event` with the given args.\n *\n * @param {String} event\n * @param {Mixed} ...\n * @return {Emitter}\n */\n\nEmitter.prototype.emit = function(event){\n this._callbacks = this._callbacks || {};\n\n var args = new Array(arguments.length - 1)\n , callbacks = this._callbacks['$' + event];\n\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n\n if (callbacks) {\n callbacks = callbacks.slice(0);\n for (var i = 0, len = callbacks.length; i < len; ++i) {\n callbacks[i].apply(this, args);\n }\n }\n\n return this;\n};\n\n// alias used for reserved events (protected method)\nEmitter.prototype.emitReserved = Emitter.prototype.emit;\n\n/**\n * Return array of callbacks for `event`.\n *\n * @param {String} event\n * @return {Array}\n * @api public\n */\n\nEmitter.prototype.listeners = function(event){\n this._callbacks = this._callbacks || {};\n return this._callbacks['$' + event] || [];\n};\n\n/**\n * Check if this emitter has `event` handlers.\n *\n * @param {String} event\n * @return {Boolean}\n * @api public\n */\n\nEmitter.prototype.hasListeners = function(event){\n return !! this.listeners(event).length;\n};\n","export const globalThisShim = (() => {\n if (typeof self !== \"undefined\") {\n return self;\n }\n else if (typeof window !== \"undefined\") {\n return window;\n }\n else {\n return Function(\"return this\")();\n }\n})();\n","import { globalThisShim as globalThis } from \"./globalThis.js\";\nexport function pick(obj, ...attr) {\n return attr.reduce((acc, k) => {\n if (obj.hasOwnProperty(k)) {\n acc[k] = obj[k];\n }\n return acc;\n }, {});\n}\n// Keep a reference to the real timeout functions so they can be used when overridden\nconst NATIVE_SET_TIMEOUT = globalThis.setTimeout;\nconst NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout;\nexport function installTimerFunctions(obj, opts) {\n if (opts.useNativeTimers) {\n obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis);\n obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis);\n }\n else {\n obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis);\n obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis);\n }\n}\n// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64)\nconst BASE64_OVERHEAD = 1.33;\n// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9\nexport function byteLength(obj) {\n if (typeof obj === \"string\") {\n return utf8Length(obj);\n }\n // arraybuffer or blob\n return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD);\n}\nfunction utf8Length(str) {\n let c = 0, length = 0;\n for (let i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n length += 1;\n }\n else if (c < 0x800) {\n length += 2;\n }\n else if (c < 0xd800 || c >= 0xe000) {\n length += 3;\n }\n else {\n i++;\n length += 4;\n }\n }\n return length;\n}\n","import { decodePacket } from \"engine.io-parser\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions } from \"./util.js\";\nimport { encode } from \"./contrib/parseqs.js\";\nclass TransportError extends Error {\n constructor(reason, description, context) {\n super(reason);\n this.description = description;\n this.context = context;\n this.type = \"TransportError\";\n }\n}\nexport class Transport extends Emitter {\n /**\n * Transport abstract constructor.\n *\n * @param {Object} opts - options\n * @protected\n */\n constructor(opts) {\n super();\n this.writable = false;\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.query = opts.query;\n this.socket = opts.socket;\n }\n /**\n * Emits an error.\n *\n * @param {String} reason\n * @param description\n * @param context - the error context\n * @return {Transport} for chaining\n * @protected\n */\n onError(reason, description, context) {\n super.emitReserved(\"error\", new TransportError(reason, description, context));\n return this;\n }\n /**\n * Opens the transport.\n */\n open() {\n this.readyState = \"opening\";\n this.doOpen();\n return this;\n }\n /**\n * Closes the transport.\n */\n close() {\n if (this.readyState === \"opening\" || this.readyState === \"open\") {\n this.doClose();\n this.onClose();\n }\n return this;\n }\n /**\n * Sends multiple packets.\n *\n * @param {Array} packets\n */\n send(packets) {\n if (this.readyState === \"open\") {\n this.write(packets);\n }\n else {\n // this might happen if the transport was silently closed in the beforeunload event handler\n }\n }\n /**\n * Called upon open\n *\n * @protected\n */\n onOpen() {\n this.readyState = \"open\";\n this.writable = true;\n super.emitReserved(\"open\");\n }\n /**\n * Called with data.\n *\n * @param {String} data\n * @protected\n */\n onData(data) {\n const packet = decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n }\n /**\n * Called with a decoded packet.\n *\n * @protected\n */\n onPacket(packet) {\n super.emitReserved(\"packet\", packet);\n }\n /**\n * Called upon close.\n *\n * @protected\n */\n onClose(details) {\n this.readyState = \"closed\";\n super.emitReserved(\"close\", details);\n }\n /**\n * Pauses the transport, in order not to lose packets during an upgrade.\n *\n * @param onPause\n */\n pause(onPause) { }\n createUri(schema, query = {}) {\n return (schema +\n \"://\" +\n this._hostname() +\n this._port() +\n this.opts.path +\n this._query(query));\n }\n _hostname() {\n const hostname = this.opts.hostname;\n return hostname.indexOf(\":\") === -1 ? hostname : \"[\" + hostname + \"]\";\n }\n _port() {\n if (this.opts.port &&\n ((this.opts.secure && Number(this.opts.port !== 443)) ||\n (!this.opts.secure && Number(this.opts.port) !== 80))) {\n return \":\" + this.opts.port;\n }\n else {\n return \"\";\n }\n }\n _query(query) {\n const encodedQuery = encode(query);\n return encodedQuery.length ? \"?\" + encodedQuery : \"\";\n }\n}\n","// imported from https://github.com/unshiftio/yeast\n'use strict';\nconst alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {};\nlet seed = 0, i = 0, prev;\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nexport function encode(num) {\n let encoded = '';\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n return encoded;\n}\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nexport function decode(str) {\n let decoded = 0;\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n return decoded;\n}\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nexport function yeast() {\n const now = encode(+new Date());\n if (now !== prev)\n return seed = 0, prev = now;\n return now + '.' + encode(seed++);\n}\n//\n// Map each character to its index.\n//\nfor (; i < length; i++)\n map[alphabet[i]] = i;\n","// imported from https://github.com/galkn/querystring\n/**\n * Compiles a querystring\n * Returns string representation of the object\n *\n * @param {Object}\n * @api private\n */\nexport function encode(obj) {\n let str = '';\n for (let i in obj) {\n if (obj.hasOwnProperty(i)) {\n if (str.length)\n str += '&';\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\n }\n }\n return str;\n}\n/**\n * Parses a simple querystring into an object\n *\n * @param {String} qs\n * @api private\n */\nexport function decode(qs) {\n let qry = {};\n let pairs = qs.split('&');\n for (let i = 0, l = pairs.length; i < l; i++) {\n let pair = pairs[i].split('=');\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n }\n return qry;\n}\n","// imported from https://github.com/component/has-cors\nlet value = false;\ntry {\n value = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n}\ncatch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n}\nexport const hasCORS = value;\n","// browser shim for xmlhttprequest module\nimport { hasCORS } from \"../contrib/has-cors.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nexport function XHR(opts) {\n const xdomain = opts.xdomain;\n // XMLHttpRequest can be disabled on IE\n try {\n if (\"undefined\" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n }\n catch (e) { }\n if (!xdomain) {\n try {\n return new globalThis[[\"Active\"].concat(\"Object\").join(\"X\")](\"Microsoft.XMLHTTP\");\n }\n catch (e) { }\n }\n}\nexport function createCookieJar() { }\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { encodePayload, decodePayload } from \"engine.io-parser\";\nimport { createCookieJar, XHR as XMLHttpRequest, } from \"./xmlhttprequest.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions, pick } from \"../util.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nfunction empty() { }\nconst hasXHR2 = (function () {\n const xhr = new XMLHttpRequest({\n xdomain: false,\n });\n return null != xhr.responseType;\n})();\nexport class Polling extends Transport {\n /**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @package\n */\n constructor(opts) {\n super(opts);\n this.polling = false;\n if (typeof location !== \"undefined\") {\n const isSSL = \"https:\" === location.protocol;\n let port = location.port;\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? \"443\" : \"80\";\n }\n this.xd =\n (typeof location !== \"undefined\" &&\n opts.hostname !== location.hostname) ||\n port !== opts.port;\n }\n /**\n * XHR supports binary\n */\n const forceBase64 = opts && opts.forceBase64;\n this.supportsBinary = hasXHR2 && !forceBase64;\n if (this.opts.withCredentials) {\n this.cookieJar = createCookieJar();\n }\n }\n get name() {\n return \"polling\";\n }\n /**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @protected\n */\n doOpen() {\n this.poll();\n }\n /**\n * Pauses polling.\n *\n * @param {Function} onPause - callback upon buffers are flushed and transport is paused\n * @package\n */\n pause(onPause) {\n this.readyState = \"pausing\";\n const pause = () => {\n this.readyState = \"paused\";\n onPause();\n };\n if (this.polling || !this.writable) {\n let total = 0;\n if (this.polling) {\n total++;\n this.once(\"pollComplete\", function () {\n --total || pause();\n });\n }\n if (!this.writable) {\n total++;\n this.once(\"drain\", function () {\n --total || pause();\n });\n }\n }\n else {\n pause();\n }\n }\n /**\n * Starts polling cycle.\n *\n * @private\n */\n poll() {\n this.polling = true;\n this.doPoll();\n this.emitReserved(\"poll\");\n }\n /**\n * Overloads onData to detect payloads.\n *\n * @protected\n */\n onData(data) {\n const callback = (packet) => {\n // if its the first message we consider the transport open\n if (\"opening\" === this.readyState && packet.type === \"open\") {\n this.onOpen();\n }\n // if its a close packet, we close the ongoing requests\n if (\"close\" === packet.type) {\n this.onClose({ description: \"transport closed by the server\" });\n return false;\n }\n // otherwise bypass onData and handle the message\n this.onPacket(packet);\n };\n // decode payload\n decodePayload(data, this.socket.binaryType).forEach(callback);\n // if an event did not trigger closing\n if (\"closed\" !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emitReserved(\"pollComplete\");\n if (\"open\" === this.readyState) {\n this.poll();\n }\n else {\n }\n }\n }\n /**\n * For polling, send a close packet.\n *\n * @protected\n */\n doClose() {\n const close = () => {\n this.write([{ type: \"close\" }]);\n };\n if (\"open\" === this.readyState) {\n close();\n }\n else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n this.once(\"open\", close);\n }\n }\n /**\n * Writes a packets payload.\n *\n * @param {Array} packets - data packets\n * @protected\n */\n write(packets) {\n this.writable = false;\n encodePayload(packets, (data) => {\n this.doWrite(data, () => {\n this.writable = true;\n this.emitReserved(\"drain\");\n });\n });\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"https\" : \"http\";\n const query = this.query || {};\n // cache busting is forced\n if (false !== this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Creates a request.\n *\n * @param {String} method\n * @private\n */\n request(opts = {}) {\n Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts);\n return new Request(this.uri(), opts);\n }\n /**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @private\n */\n doWrite(data, fn) {\n const req = this.request({\n method: \"POST\",\n data: data,\n });\n req.on(\"success\", fn);\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr post error\", xhrStatus, context);\n });\n }\n /**\n * Starts a poll cycle.\n *\n * @private\n */\n doPoll() {\n const req = this.request();\n req.on(\"data\", this.onData.bind(this));\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr poll error\", xhrStatus, context);\n });\n this.pollXhr = req;\n }\n}\nexport class Request extends Emitter {\n /**\n * Request constructor\n *\n * @param {Object} options\n * @package\n */\n constructor(uri, opts) {\n super();\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.method = opts.method || \"GET\";\n this.uri = uri;\n this.data = undefined !== opts.data ? opts.data : null;\n this.create();\n }\n /**\n * Creates the XHR object and sends the request.\n *\n * @private\n */\n create() {\n var _a;\n const opts = pick(this.opts, \"agent\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"autoUnref\");\n opts.xdomain = !!this.opts.xd;\n const xhr = (this.xhr = new XMLHttpRequest(opts));\n try {\n xhr.open(this.method, this.uri, true);\n try {\n if (this.opts.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (let i in this.opts.extraHeaders) {\n if (this.opts.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.opts.extraHeaders[i]);\n }\n }\n }\n }\n catch (e) { }\n if (\"POST\" === this.method) {\n try {\n xhr.setRequestHeader(\"Content-type\", \"text/plain;charset=UTF-8\");\n }\n catch (e) { }\n }\n try {\n xhr.setRequestHeader(\"Accept\", \"*/*\");\n }\n catch (e) { }\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr);\n // ie6 check\n if (\"withCredentials\" in xhr) {\n xhr.withCredentials = this.opts.withCredentials;\n }\n if (this.opts.requestTimeout) {\n xhr.timeout = this.opts.requestTimeout;\n }\n xhr.onreadystatechange = () => {\n var _a;\n if (xhr.readyState === 3) {\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr);\n }\n if (4 !== xhr.readyState)\n return;\n if (200 === xhr.status || 1223 === xhr.status) {\n this.onLoad();\n }\n else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n this.setTimeoutFn(() => {\n this.onError(typeof xhr.status === \"number\" ? xhr.status : 0);\n }, 0);\n }\n };\n xhr.send(this.data);\n }\n catch (e) {\n // Need to defer since .create() is called directly from the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n this.setTimeoutFn(() => {\n this.onError(e);\n }, 0);\n return;\n }\n if (typeof document !== \"undefined\") {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n }\n /**\n * Called upon error.\n *\n * @private\n */\n onError(err) {\n this.emitReserved(\"error\", err, this.xhr);\n this.cleanup(true);\n }\n /**\n * Cleans up house.\n *\n * @private\n */\n cleanup(fromError) {\n if (\"undefined\" === typeof this.xhr || null === this.xhr) {\n return;\n }\n this.xhr.onreadystatechange = empty;\n if (fromError) {\n try {\n this.xhr.abort();\n }\n catch (e) { }\n }\n if (typeof document !== \"undefined\") {\n delete Request.requests[this.index];\n }\n this.xhr = null;\n }\n /**\n * Called upon load.\n *\n * @private\n */\n onLoad() {\n const data = this.xhr.responseText;\n if (data !== null) {\n this.emitReserved(\"data\", data);\n this.emitReserved(\"success\");\n this.cleanup();\n }\n }\n /**\n * Aborts the request.\n *\n * @package\n */\n abort() {\n this.cleanup();\n }\n}\nRequest.requestsCount = 0;\nRequest.requests = {};\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\nif (typeof document !== \"undefined\") {\n // @ts-ignore\n if (typeof attachEvent === \"function\") {\n // @ts-ignore\n attachEvent(\"onunload\", unloadHandler);\n }\n else if (typeof addEventListener === \"function\") {\n const terminationEvent = \"onpagehide\" in globalThis ? \"pagehide\" : \"unload\";\n addEventListener(terminationEvent, unloadHandler, false);\n }\n}\nfunction unloadHandler() {\n for (let i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n","import { globalThisShim as globalThis } from \"../globalThis.js\";\nexport const nextTick = (() => {\n const isPromiseAvailable = typeof Promise === \"function\" && typeof Promise.resolve === \"function\";\n if (isPromiseAvailable) {\n return (cb) => Promise.resolve().then(cb);\n }\n else {\n return (cb, setTimeoutFn) => setTimeoutFn(cb, 0);\n }\n})();\nexport const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket;\nexport const usingBrowserWebSocket = true;\nexport const defaultBinaryType = \"arraybuffer\";\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { pick } from \"../util.js\";\nimport { nextTick, usingBrowserWebSocket, WebSocket, } from \"./websocket-constructor.js\";\nimport { encodePacket } from \"engine.io-parser\";\n// detect ReactNative environment\nconst isReactNative = typeof navigator !== \"undefined\" &&\n typeof navigator.product === \"string\" &&\n navigator.product.toLowerCase() === \"reactnative\";\nexport class WS extends Transport {\n /**\n * WebSocket transport constructor.\n *\n * @param {Object} opts - connection options\n * @protected\n */\n constructor(opts) {\n super(opts);\n this.supportsBinary = !opts.forceBase64;\n }\n get name() {\n return \"websocket\";\n }\n doOpen() {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n const uri = this.uri();\n const protocols = this.opts.protocols;\n // React Native only supports the 'headers' option, and will print a warning if anything else is passed\n const opts = isReactNative\n ? {}\n : pick(this.opts, \"agent\", \"perMessageDeflate\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"localAddress\", \"protocolVersion\", \"origin\", \"maxPayload\", \"family\", \"checkServerIdentity\");\n if (this.opts.extraHeaders) {\n opts.headers = this.opts.extraHeaders;\n }\n try {\n this.ws =\n usingBrowserWebSocket && !isReactNative\n ? protocols\n ? new WebSocket(uri, protocols)\n : new WebSocket(uri)\n : new WebSocket(uri, protocols, opts);\n }\n catch (err) {\n return this.emitReserved(\"error\", err);\n }\n this.ws.binaryType = this.socket.binaryType;\n this.addEventListeners();\n }\n /**\n * Adds event listeners to the socket\n *\n * @private\n */\n addEventListeners() {\n this.ws.onopen = () => {\n if (this.opts.autoUnref) {\n this.ws._socket.unref();\n }\n this.onOpen();\n };\n this.ws.onclose = (closeEvent) => this.onClose({\n description: \"websocket connection closed\",\n context: closeEvent,\n });\n this.ws.onmessage = (ev) => this.onData(ev.data);\n this.ws.onerror = (e) => this.onError(\"websocket error\", e);\n }\n write(packets) {\n this.writable = false;\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n encodePacket(packet, this.supportsBinary, (data) => {\n // always create a new object (GH-437)\n const opts = {};\n if (!usingBrowserWebSocket) {\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n if (this.opts.perMessageDeflate) {\n const len = \n // @ts-ignore\n \"string\" === typeof data ? Buffer.byteLength(data) : data.length;\n if (len < this.opts.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n this.ws.send(data);\n }\n else {\n this.ws.send(data, opts);\n }\n }\n catch (e) {\n }\n if (lastPacket) {\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n if (typeof this.ws !== \"undefined\") {\n this.ws.close();\n this.ws = null;\n }\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"wss\" : \"ws\";\n const query = this.query || {};\n // append timestamp to URI\n if (this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @private\n */\n check() {\n return !!WebSocket;\n }\n}\n","import { Transport } from \"../transport.js\";\nimport { nextTick } from \"./websocket-constructor.js\";\nimport { createPacketDecoderStream, createPacketEncoderStream, } from \"engine.io-parser\";\nexport class WT extends Transport {\n get name() {\n return \"webtransport\";\n }\n doOpen() {\n // @ts-ignore\n if (typeof WebTransport !== \"function\") {\n return;\n }\n // @ts-ignore\n this.transport = new WebTransport(this.createUri(\"https\"), this.opts.transportOptions[this.name]);\n this.transport.closed\n .then(() => {\n this.onClose();\n })\n .catch((err) => {\n this.onError(\"webtransport error\", err);\n });\n // note: we could have used async/await, but that would require some additional polyfills\n this.transport.ready.then(() => {\n this.transport.createBidirectionalStream().then((stream) => {\n const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType);\n const reader = stream.readable.pipeThrough(decoderStream).getReader();\n const encoderStream = createPacketEncoderStream();\n encoderStream.readable.pipeTo(stream.writable);\n this.writer = encoderStream.writable.getWriter();\n const read = () => {\n reader\n .read()\n .then(({ done, value }) => {\n if (done) {\n return;\n }\n this.onPacket(value);\n read();\n })\n .catch((err) => {\n });\n };\n read();\n const packet = { type: \"open\" };\n if (this.query.sid) {\n packet.data = `{\"sid\":\"${this.query.sid}\"}`;\n }\n this.writer.write(packet).then(() => this.onOpen());\n });\n });\n }\n write(packets) {\n this.writable = false;\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n this.writer.write(packet).then(() => {\n if (lastPacket) {\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n var _a;\n (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close();\n }\n}\n","import { Polling } from \"./polling.js\";\nimport { WS } from \"./websocket.js\";\nimport { WT } from \"./webtransport.js\";\nexport const transports = {\n websocket: WS,\n webtransport: WT,\n polling: Polling,\n};\n","// imported from https://github.com/galkn/parseuri\n/**\n * Parses a URI\n *\n * Note: we could also have used the built-in URL object, but it isn't supported on all platforms.\n *\n * See:\n * - https://developer.mozilla.org/en-US/docs/Web/API/URL\n * - https://caniuse.com/url\n * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B\n *\n * History of the parse() method:\n * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c\n * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3\n * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242\n *\n * @author Steven Levithan (MIT license)\n * @api private\n */\nconst re = /^(?:(?![^:@\\/?#]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@\\/?#]*)(?::([^:@\\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\nconst parts = [\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\n];\nexport function parse(str) {\n const src = str, b = str.indexOf('['), e = str.indexOf(']');\n if (b != -1 && e != -1) {\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\n }\n let m = re.exec(str || ''), uri = {}, i = 14;\n while (i--) {\n uri[parts[i]] = m[i] || '';\n }\n if (b != -1 && e != -1) {\n uri.source = src;\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\n uri.ipv6uri = true;\n }\n uri.pathNames = pathNames(uri, uri['path']);\n uri.queryKey = queryKey(uri, uri['query']);\n return uri;\n}\nfunction pathNames(obj, path) {\n const regx = /\\/{2,9}/g, names = path.replace(regx, \"/\").split(\"/\");\n if (path.slice(0, 1) == '/' || path.length === 0) {\n names.splice(0, 1);\n }\n if (path.slice(-1) == '/') {\n names.splice(names.length - 1, 1);\n }\n return names;\n}\nfunction queryKey(uri, query) {\n const data = {};\n query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {\n if ($1) {\n data[$1] = $2;\n }\n });\n return data;\n}\n","import { transports } from \"./transports/index.js\";\nimport { installTimerFunctions, byteLength } from \"./util.js\";\nimport { decode } from \"./contrib/parseqs.js\";\nimport { parse } from \"./contrib/parseuri.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { protocol } from \"engine.io-parser\";\nimport { defaultBinaryType } from \"./transports/websocket-constructor.js\";\nexport class Socket extends Emitter {\n /**\n * Socket constructor.\n *\n * @param {String|Object} uri - uri or options\n * @param {Object} opts - options\n */\n constructor(uri, opts = {}) {\n super();\n this.binaryType = defaultBinaryType;\n this.writeBuffer = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = null;\n }\n if (uri) {\n uri = parse(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === \"https\" || uri.protocol === \"wss\";\n opts.port = uri.port;\n if (uri.query)\n opts.query = uri.query;\n }\n else if (opts.host) {\n opts.hostname = parse(opts.host).host;\n }\n installTimerFunctions(this, opts);\n this.secure =\n null != opts.secure\n ? opts.secure\n : typeof location !== \"undefined\" && \"https:\" === location.protocol;\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? \"443\" : \"80\";\n }\n this.hostname =\n opts.hostname ||\n (typeof location !== \"undefined\" ? location.hostname : \"localhost\");\n this.port =\n opts.port ||\n (typeof location !== \"undefined\" && location.port\n ? location.port\n : this.secure\n ? \"443\"\n : \"80\");\n this.transports = opts.transports || [\n \"polling\",\n \"websocket\",\n \"webtransport\",\n ];\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.opts = Object.assign({\n path: \"/engine.io\",\n agent: false,\n withCredentials: false,\n upgrade: true,\n timestampParam: \"t\",\n rememberUpgrade: false,\n addTrailingSlash: true,\n rejectUnauthorized: true,\n perMessageDeflate: {\n threshold: 1024,\n },\n transportOptions: {},\n closeOnBeforeunload: false,\n }, opts);\n this.opts.path =\n this.opts.path.replace(/\\/$/, \"\") +\n (this.opts.addTrailingSlash ? \"/\" : \"\");\n if (typeof this.opts.query === \"string\") {\n this.opts.query = decode(this.opts.query);\n }\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n // set on heartbeat\n this.pingTimeoutTimer = null;\n if (typeof addEventListener === \"function\") {\n if (this.opts.closeOnBeforeunload) {\n // Firefox closes the connection when the \"beforeunload\" event is emitted but not Chrome. This event listener\n // ensures every browser behaves the same (no \"disconnect\" event at the Socket.IO level when the page is\n // closed/reloaded)\n this.beforeunloadEventListener = () => {\n if (this.transport) {\n // silently close the transport\n this.transport.removeAllListeners();\n this.transport.close();\n }\n };\n addEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n }\n if (this.hostname !== \"localhost\") {\n this.offlineEventListener = () => {\n this.onClose(\"transport close\", {\n description: \"network connection lost\",\n });\n };\n addEventListener(\"offline\", this.offlineEventListener, false);\n }\n }\n this.open();\n }\n /**\n * Creates transport of the given type.\n *\n * @param {String} name - transport name\n * @return {Transport}\n * @private\n */\n createTransport(name) {\n const query = Object.assign({}, this.opts.query);\n // append engine.io protocol identifier\n query.EIO = protocol;\n // transport name\n query.transport = name;\n // session id if we already have one\n if (this.id)\n query.sid = this.id;\n const opts = Object.assign({}, this.opts, {\n query,\n socket: this,\n hostname: this.hostname,\n secure: this.secure,\n port: this.port,\n }, this.opts.transportOptions[name]);\n return new transports[name](opts);\n }\n /**\n * Initializes transport to use and starts probe.\n *\n * @private\n */\n open() {\n let transport;\n if (this.opts.rememberUpgrade &&\n Socket.priorWebsocketSuccess &&\n this.transports.indexOf(\"websocket\") !== -1) {\n transport = \"websocket\";\n }\n else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n this.setTimeoutFn(() => {\n this.emitReserved(\"error\", \"No transports available\");\n }, 0);\n return;\n }\n else {\n transport = this.transports[0];\n }\n this.readyState = \"opening\";\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n }\n catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n transport.open();\n this.setTransport(transport);\n }\n /**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @private\n */\n setTransport(transport) {\n if (this.transport) {\n this.transport.removeAllListeners();\n }\n // set up transport\n this.transport = transport;\n // set up transport listeners\n transport\n .on(\"drain\", this.onDrain.bind(this))\n .on(\"packet\", this.onPacket.bind(this))\n .on(\"error\", this.onError.bind(this))\n .on(\"close\", (reason) => this.onClose(\"transport close\", reason));\n }\n /**\n * Probes a transport.\n *\n * @param {String} name - transport name\n * @private\n */\n probe(name) {\n let transport = this.createTransport(name);\n let failed = false;\n Socket.priorWebsocketSuccess = false;\n const onTransportOpen = () => {\n if (failed)\n return;\n transport.send([{ type: \"ping\", data: \"probe\" }]);\n transport.once(\"packet\", (msg) => {\n if (failed)\n return;\n if (\"pong\" === msg.type && \"probe\" === msg.data) {\n this.upgrading = true;\n this.emitReserved(\"upgrading\", transport);\n if (!transport)\n return;\n Socket.priorWebsocketSuccess = \"websocket\" === transport.name;\n this.transport.pause(() => {\n if (failed)\n return;\n if (\"closed\" === this.readyState)\n return;\n cleanup();\n this.setTransport(transport);\n transport.send([{ type: \"upgrade\" }]);\n this.emitReserved(\"upgrade\", transport);\n transport = null;\n this.upgrading = false;\n this.flush();\n });\n }\n else {\n const err = new Error(\"probe error\");\n // @ts-ignore\n err.transport = transport.name;\n this.emitReserved(\"upgradeError\", err);\n }\n });\n };\n function freezeTransport() {\n if (failed)\n return;\n // Any callback called by transport should be ignored since now\n failed = true;\n cleanup();\n transport.close();\n transport = null;\n }\n // Handle any error that happens while probing\n const onerror = (err) => {\n const error = new Error(\"probe error: \" + err);\n // @ts-ignore\n error.transport = transport.name;\n freezeTransport();\n this.emitReserved(\"upgradeError\", error);\n };\n function onTransportClose() {\n onerror(\"transport closed\");\n }\n // When the socket is closed while we're probing\n function onclose() {\n onerror(\"socket closed\");\n }\n // When the socket is upgraded while we're probing\n function onupgrade(to) {\n if (transport && to.name !== transport.name) {\n freezeTransport();\n }\n }\n // Remove all listeners on the transport and on self\n const cleanup = () => {\n transport.removeListener(\"open\", onTransportOpen);\n transport.removeListener(\"error\", onerror);\n transport.removeListener(\"close\", onTransportClose);\n this.off(\"close\", onclose);\n this.off(\"upgrading\", onupgrade);\n };\n transport.once(\"open\", onTransportOpen);\n transport.once(\"error\", onerror);\n transport.once(\"close\", onTransportClose);\n this.once(\"close\", onclose);\n this.once(\"upgrading\", onupgrade);\n if (this.upgrades.indexOf(\"webtransport\") !== -1 &&\n name !== \"webtransport\") {\n // favor WebTransport\n this.setTimeoutFn(() => {\n if (!failed) {\n transport.open();\n }\n }, 200);\n }\n else {\n transport.open();\n }\n }\n /**\n * Called when connection is deemed open.\n *\n * @private\n */\n onOpen() {\n this.readyState = \"open\";\n Socket.priorWebsocketSuccess = \"websocket\" === this.transport.name;\n this.emitReserved(\"open\");\n this.flush();\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if (\"open\" === this.readyState && this.opts.upgrade) {\n let i = 0;\n const l = this.upgrades.length;\n for (; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n }\n /**\n * Handles a packet.\n *\n * @private\n */\n onPacket(packet) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n this.emitReserved(\"packet\", packet);\n // Socket is live - any packet counts\n this.emitReserved(\"heartbeat\");\n this.resetPingTimeout();\n switch (packet.type) {\n case \"open\":\n this.onHandshake(JSON.parse(packet.data));\n break;\n case \"ping\":\n this.sendPacket(\"pong\");\n this.emitReserved(\"ping\");\n this.emitReserved(\"pong\");\n break;\n case \"error\":\n const err = new Error(\"server error\");\n // @ts-ignore\n err.code = packet.data;\n this.onError(err);\n break;\n case \"message\":\n this.emitReserved(\"data\", packet.data);\n this.emitReserved(\"message\", packet.data);\n break;\n }\n }\n else {\n }\n }\n /**\n * Called upon handshake completion.\n *\n * @param {Object} data - handshake obj\n * @private\n */\n onHandshake(data) {\n this.emitReserved(\"handshake\", data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.maxPayload = data.maxPayload;\n this.onOpen();\n // In case open handler closes socket\n if (\"closed\" === this.readyState)\n return;\n this.resetPingTimeout();\n }\n /**\n * Sets and resets ping timeout timer based on server pings.\n *\n * @private\n */\n resetPingTimeout() {\n this.clearTimeoutFn(this.pingTimeoutTimer);\n this.pingTimeoutTimer = this.setTimeoutFn(() => {\n this.onClose(\"ping timeout\");\n }, this.pingInterval + this.pingTimeout);\n if (this.opts.autoUnref) {\n this.pingTimeoutTimer.unref();\n }\n }\n /**\n * Called on `drain` event\n *\n * @private\n */\n onDrain() {\n this.writeBuffer.splice(0, this.prevBufferLen);\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n if (0 === this.writeBuffer.length) {\n this.emitReserved(\"drain\");\n }\n else {\n this.flush();\n }\n }\n /**\n * Flush write buffers.\n *\n * @private\n */\n flush() {\n if (\"closed\" !== this.readyState &&\n this.transport.writable &&\n !this.upgrading &&\n this.writeBuffer.length) {\n const packets = this.getWritablePackets();\n this.transport.send(packets);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = packets.length;\n this.emitReserved(\"flush\");\n }\n }\n /**\n * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP\n * long-polling)\n *\n * @private\n */\n getWritablePackets() {\n const shouldCheckPayloadSize = this.maxPayload &&\n this.transport.name === \"polling\" &&\n this.writeBuffer.length > 1;\n if (!shouldCheckPayloadSize) {\n return this.writeBuffer;\n }\n let payloadSize = 1; // first packet type\n for (let i = 0; i < this.writeBuffer.length; i++) {\n const data = this.writeBuffer[i].data;\n if (data) {\n payloadSize += byteLength(data);\n }\n if (i > 0 && payloadSize > this.maxPayload) {\n return this.writeBuffer.slice(0, i);\n }\n payloadSize += 2; // separator + packet type\n }\n return this.writeBuffer;\n }\n /**\n * Sends a message.\n *\n * @param {String} msg - message.\n * @param {Object} options.\n * @param {Function} callback function.\n * @return {Socket} for chaining.\n */\n write(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n send(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n /**\n * Sends a packet.\n *\n * @param {String} type: packet type.\n * @param {String} data.\n * @param {Object} options.\n * @param {Function} fn - callback function.\n * @private\n */\n sendPacket(type, data, options, fn) {\n if (\"function\" === typeof data) {\n fn = data;\n data = undefined;\n }\n if (\"function\" === typeof options) {\n fn = options;\n options = null;\n }\n if (\"closing\" === this.readyState || \"closed\" === this.readyState) {\n return;\n }\n options = options || {};\n options.compress = false !== options.compress;\n const packet = {\n type: type,\n data: data,\n options: options,\n };\n this.emitReserved(\"packetCreate\", packet);\n this.writeBuffer.push(packet);\n if (fn)\n this.once(\"flush\", fn);\n this.flush();\n }\n /**\n * Closes the connection.\n */\n close() {\n const close = () => {\n this.onClose(\"forced close\");\n this.transport.close();\n };\n const cleanupAndClose = () => {\n this.off(\"upgrade\", cleanupAndClose);\n this.off(\"upgradeError\", cleanupAndClose);\n close();\n };\n const waitForUpgrade = () => {\n // wait for upgrade to finish since we can't send packets while pausing a transport\n this.once(\"upgrade\", cleanupAndClose);\n this.once(\"upgradeError\", cleanupAndClose);\n };\n if (\"opening\" === this.readyState || \"open\" === this.readyState) {\n this.readyState = \"closing\";\n if (this.writeBuffer.length) {\n this.once(\"drain\", () => {\n if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n });\n }\n else if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n }\n return this;\n }\n /**\n * Called upon transport error\n *\n * @private\n */\n onError(err) {\n Socket.priorWebsocketSuccess = false;\n this.emitReserved(\"error\", err);\n this.onClose(\"transport error\", err);\n }\n /**\n * Called upon transport close.\n *\n * @private\n */\n onClose(reason, description) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n // clear timers\n this.clearTimeoutFn(this.pingTimeoutTimer);\n // stop event from firing again for transport\n this.transport.removeAllListeners(\"close\");\n // ensure transport won't stay open\n this.transport.close();\n // ignore further transport communication\n this.transport.removeAllListeners();\n if (typeof removeEventListener === \"function\") {\n removeEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n removeEventListener(\"offline\", this.offlineEventListener, false);\n }\n // set ready state\n this.readyState = \"closed\";\n // clear session id\n this.id = null;\n // emit close event\n this.emitReserved(\"close\", reason, description);\n // clean buffers after, so users can still\n // grab the buffers on `close` event\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n }\n }\n /**\n * Filters upgrades, returning only those matching client transports.\n *\n * @param {Array} upgrades - server upgrades\n * @private\n */\n filterUpgrades(upgrades) {\n const filteredUpgrades = [];\n let i = 0;\n const j = upgrades.length;\n for (; i < j; i++) {\n if (~this.transports.indexOf(upgrades[i]))\n filteredUpgrades.push(upgrades[i]);\n }\n return filteredUpgrades;\n }\n}\nSocket.protocol = protocol;\n","import { Socket } from \"./socket.js\";\nexport { Socket };\nexport const protocol = Socket.protocol;\nexport { Transport } from \"./transport.js\";\nexport { transports } from \"./transports/index.js\";\nexport { installTimerFunctions } from \"./util.js\";\nexport { parse } from \"./contrib/parseuri.js\";\nexport { nextTick } from \"./transports/websocket-constructor.js\";\n","'use strict';\n\nfunction utf8Write(view, offset, str) {\n var c = 0;\n for (var i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n view.setUint8(offset++, c);\n }\n else if (c < 0x800) {\n view.setUint8(offset++, 0xc0 | (c >> 6));\n view.setUint8(offset++, 0x80 | (c & 0x3f));\n }\n else if (c < 0xd800 || c >= 0xe000) {\n view.setUint8(offset++, 0xe0 | (c >> 12));\n view.setUint8(offset++, 0x80 | (c >> 6) & 0x3f);\n view.setUint8(offset++, 0x80 | (c & 0x3f));\n }\n else {\n i++;\n c = 0x10000 + (((c & 0x3ff) << 10) | (str.charCodeAt(i) & 0x3ff));\n view.setUint8(offset++, 0xf0 | (c >> 18));\n view.setUint8(offset++, 0x80 | (c >> 12) & 0x3f);\n view.setUint8(offset++, 0x80 | (c >> 6) & 0x3f);\n view.setUint8(offset++, 0x80 | (c & 0x3f));\n }\n }\n}\n\nfunction utf8Length(str) {\n var c = 0, length = 0;\n for (var i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n length += 1;\n }\n else if (c < 0x800) {\n length += 2;\n }\n else if (c < 0xd800 || c >= 0xe000) {\n length += 3;\n }\n else {\n i++;\n length += 4;\n }\n }\n return length;\n}\n\nfunction _encode(bytes, defers, value) {\n var type = typeof value, i = 0, l = 0, hi = 0, lo = 0, length = 0, size = 0;\n\n if (type === 'string') {\n length = utf8Length(value);\n\n // fixstr\n if (length < 0x20) {\n bytes.push(length | 0xa0);\n size = 1;\n }\n // str 8\n else if (length < 0x100) {\n bytes.push(0xd9, length);\n size = 2;\n }\n // str 16\n else if (length < 0x10000) {\n bytes.push(0xda, length >> 8, length);\n size = 3;\n }\n // str 32\n else if (length < 0x100000000) {\n bytes.push(0xdb, length >> 24, length >> 16, length >> 8, length);\n size = 5;\n } else {\n throw new Error('String too long');\n }\n defers.push({ _str: value, _length: length, _offset: bytes.length });\n return size + length;\n }\n if (type === 'number') {\n // TODO: encode to float 32?\n\n // float 64\n if (Math.floor(value) !== value || !isFinite(value)) {\n bytes.push(0xcb);\n defers.push({ _float: value, _length: 8, _offset: bytes.length });\n return 9;\n }\n\n if (value >= 0) {\n // positive fixnum\n if (value < 0x80) {\n bytes.push(value);\n return 1;\n }\n // uint 8\n if (value < 0x100) {\n bytes.push(0xcc, value);\n return 2;\n }\n // uint 16\n if (value < 0x10000) {\n bytes.push(0xcd, value >> 8, value);\n return 3;\n }\n // uint 32\n if (value < 0x100000000) {\n bytes.push(0xce, value >> 24, value >> 16, value >> 8, value);\n return 5;\n }\n // uint 64\n hi = (value / Math.pow(2, 32)) >> 0;\n lo = value >>> 0;\n bytes.push(0xcf, hi >> 24, hi >> 16, hi >> 8, hi, lo >> 24, lo >> 16, lo >> 8, lo);\n return 9;\n } else {\n // negative fixnum\n if (value >= -0x20) {\n bytes.push(value);\n return 1;\n }\n // int 8\n if (value >= -0x80) {\n bytes.push(0xd0, value);\n return 2;\n }\n // int 16\n if (value >= -0x8000) {\n bytes.push(0xd1, value >> 8, value);\n return 3;\n }\n // int 32\n if (value >= -0x80000000) {\n bytes.push(0xd2, value >> 24, value >> 16, value >> 8, value);\n return 5;\n }\n // int 64\n hi = Math.floor(value / Math.pow(2, 32));\n lo = value >>> 0;\n bytes.push(0xd3, hi >> 24, hi >> 16, hi >> 8, hi, lo >> 24, lo >> 16, lo >> 8, lo);\n return 9;\n }\n }\n if (type === 'object') {\n // nil\n if (value === null) {\n bytes.push(0xc0);\n return 1;\n }\n\n if (Array.isArray(value)) {\n length = value.length;\n\n // fixarray\n if (length < 0x10) {\n bytes.push(length | 0x90);\n size = 1;\n }\n // array 16\n else if (length < 0x10000) {\n bytes.push(0xdc, length >> 8, length);\n size = 3;\n }\n // array 32\n else if (length < 0x100000000) {\n bytes.push(0xdd, length >> 24, length >> 16, length >> 8, length);\n size = 5;\n } else {\n throw new Error('Array too large');\n }\n for (i = 0; i < length; i++) {\n size += _encode(bytes, defers, value[i]);\n }\n return size;\n }\n\n // fixext 8 / Date\n if (value instanceof Date) {\n var time = value.getTime();\n hi = Math.floor(time / Math.pow(2, 32));\n lo = time >>> 0;\n bytes.push(0xd7, 0, hi >> 24, hi >> 16, hi >> 8, hi, lo >> 24, lo >> 16, lo >> 8, lo);\n return 10;\n }\n\n if (value instanceof ArrayBuffer) {\n length = value.byteLength;\n\n // bin 8\n if (length < 0x100) {\n bytes.push(0xc4, length);\n size = 2;\n } else\n // bin 16\n if (length < 0x10000) {\n bytes.push(0xc5, length >> 8, length);\n size = 3;\n } else\n // bin 32\n if (length < 0x100000000) {\n bytes.push(0xc6, length >> 24, length >> 16, length >> 8, length);\n size = 5;\n } else {\n throw new Error('Buffer too large');\n }\n defers.push({ _bin: value, _length: length, _offset: bytes.length });\n return size + length;\n }\n\n if (typeof value.toJSON === 'function') {\n return _encode(bytes, defers, value.toJSON());\n }\n\n var keys = [], key = '';\n\n var allKeys = Object.keys(value);\n for (i = 0, l = allKeys.length; i < l; i++) {\n key = allKeys[i];\n if (typeof value[key] !== 'function') {\n keys.push(key);\n }\n }\n length = keys.length;\n\n // fixmap\n if (length < 0x10) {\n bytes.push(length | 0x80);\n size = 1;\n }\n // map 16\n else if (length < 0x10000) {\n bytes.push(0xde, length >> 8, length);\n size = 3;\n }\n // map 32\n else if (length < 0x100000000) {\n bytes.push(0xdf, length >> 24, length >> 16, length >> 8, length);\n size = 5;\n } else {\n throw new Error('Object too large');\n }\n\n for (i = 0; i < length; i++) {\n key = keys[i];\n size += _encode(bytes, defers, key);\n size += _encode(bytes, defers, value[key]);\n }\n return size;\n }\n // false/true\n if (type === 'boolean') {\n bytes.push(value ? 0xc3 : 0xc2);\n return 1;\n }\n // fixext 1 / undefined\n if (type === 'undefined') {\n bytes.push(0xd4, 0, 0);\n return 3;\n }\n throw new Error('Could not encode');\n}\n\nfunction encode(value) {\n var bytes = [];\n var defers = [];\n var size = _encode(bytes, defers, value);\n var buf = new ArrayBuffer(size);\n var view = new DataView(buf);\n\n var deferIndex = 0;\n var deferWritten = 0;\n var nextOffset = -1;\n if (defers.length > 0) {\n nextOffset = defers[0]._offset;\n }\n\n var defer, deferLength = 0, offset = 0;\n for (var i = 0, l = bytes.length; i < l; i++) {\n view.setUint8(deferWritten + i, bytes[i]);\n if (i + 1 !== nextOffset) { continue; }\n defer = defers[deferIndex];\n deferLength = defer._length;\n offset = deferWritten + nextOffset;\n if (defer._bin) {\n var bin = new Uint8Array(defer._bin);\n for (var j = 0; j < deferLength; j++) {\n view.setUint8(offset + j, bin[j]);\n }\n } else if (defer._str) {\n utf8Write(view, offset, defer._str);\n } else if (defer._float !== undefined) {\n view.setFloat64(offset, defer._float);\n }\n deferIndex++;\n deferWritten += deferLength;\n if (defers[deferIndex]) {\n nextOffset = defers[deferIndex]._offset;\n }\n }\n return buf;\n}\n\nmodule.exports = encode;\n","'use strict';\n\nfunction Decoder(buffer) {\n this._offset = 0;\n if (buffer instanceof ArrayBuffer) {\n this._buffer = buffer;\n this._view = new DataView(this._buffer);\n } else if (ArrayBuffer.isView(buffer)) {\n this._buffer = buffer.buffer;\n this._view = new DataView(this._buffer, buffer.byteOffset, buffer.byteLength);\n } else {\n throw new Error('Invalid argument');\n }\n}\n\nfunction utf8Read(view, offset, length) {\n var string = '', chr = 0;\n for (var i = offset, end = offset + length; i < end; i++) {\n var byte = view.getUint8(i);\n if ((byte & 0x80) === 0x00) {\n string += String.fromCharCode(byte);\n continue;\n }\n if ((byte & 0xe0) === 0xc0) {\n string += String.fromCharCode(\n ((byte & 0x1f) << 6) |\n (view.getUint8(++i) & 0x3f)\n );\n continue;\n }\n if ((byte & 0xf0) === 0xe0) {\n string += String.fromCharCode(\n ((byte & 0x0f) << 12) |\n ((view.getUint8(++i) & 0x3f) << 6) |\n ((view.getUint8(++i) & 0x3f) << 0)\n );\n continue;\n }\n if ((byte & 0xf8) === 0xf0) {\n chr = ((byte & 0x07) << 18) |\n ((view.getUint8(++i) & 0x3f) << 12) |\n ((view.getUint8(++i) & 0x3f) << 6) |\n ((view.getUint8(++i) & 0x3f) << 0);\n if (chr >= 0x010000) { // surrogate pair\n chr -= 0x010000;\n string += String.fromCharCode((chr >>> 10) + 0xD800, (chr & 0x3FF) + 0xDC00);\n } else {\n string += String.fromCharCode(chr);\n }\n continue;\n }\n throw new Error('Invalid byte ' + byte.toString(16));\n }\n return string;\n}\n\nDecoder.prototype._array = function (length) {\n var value = new Array(length);\n for (var i = 0; i < length; i++) {\n value[i] = this._parse();\n }\n return value;\n};\n\nDecoder.prototype._map = function (length) {\n var key = '', value = {};\n for (var i = 0; i < length; i++) {\n key = this._parse();\n value[key] = this._parse();\n }\n return value;\n};\n\nDecoder.prototype._str = function (length) {\n var value = utf8Read(this._view, this._offset, length);\n this._offset += length;\n return value;\n};\n\nDecoder.prototype._bin = function (length) {\n var value = this._buffer.slice(this._offset, this._offset + length);\n this._offset += length;\n return value;\n};\n\nDecoder.prototype._parse = function () {\n var prefix = this._view.getUint8(this._offset++);\n var value, length = 0, type = 0, hi = 0, lo = 0;\n\n if (prefix < 0xc0) {\n // positive fixint\n if (prefix < 0x80) {\n return prefix;\n }\n // fixmap\n if (prefix < 0x90) {\n return this._map(prefix & 0x0f);\n }\n // fixarray\n if (prefix < 0xa0) {\n return this._array(prefix & 0x0f);\n }\n // fixstr\n return this._str(prefix & 0x1f);\n }\n\n // negative fixint\n if (prefix > 0xdf) {\n return (0xff - prefix + 1) * -1;\n }\n\n switch (prefix) {\n // nil\n case 0xc0:\n return null;\n // false\n case 0xc2:\n return false;\n // true\n case 0xc3:\n return true;\n\n // bin\n case 0xc4:\n length = this._view.getUint8(this._offset);\n this._offset += 1;\n return this._bin(length);\n case 0xc5:\n length = this._view.getUint16(this._offset);\n this._offset += 2;\n return this._bin(length);\n case 0xc6:\n length = this._view.getUint32(this._offset);\n this._offset += 4;\n return this._bin(length);\n\n // ext\n case 0xc7:\n length = this._view.getUint8(this._offset);\n type = this._view.getInt8(this._offset + 1);\n this._offset += 2;\n return [type, this._bin(length)];\n case 0xc8:\n length = this._view.getUint16(this._offset);\n type = this._view.getInt8(this._offset + 2);\n this._offset += 3;\n return [type, this._bin(length)];\n case 0xc9:\n length = this._view.getUint32(this._offset);\n type = this._view.getInt8(this._offset + 4);\n this._offset += 5;\n return [type, this._bin(length)];\n\n // float\n case 0xca:\n value = this._view.getFloat32(this._offset);\n this._offset += 4;\n return value;\n case 0xcb:\n value = this._view.getFloat64(this._offset);\n this._offset += 8;\n return value;\n\n // uint\n case 0xcc:\n value = this._view.getUint8(this._offset);\n this._offset += 1;\n return value;\n case 0xcd:\n value = this._view.getUint16(this._offset);\n this._offset += 2;\n return value;\n case 0xce:\n value = this._view.getUint32(this._offset);\n this._offset += 4;\n return value;\n case 0xcf:\n hi = this._view.getUint32(this._offset) * Math.pow(2, 32);\n lo = this._view.getUint32(this._offset + 4);\n this._offset += 8;\n return hi + lo;\n\n // int\n case 0xd0:\n value = this._view.getInt8(this._offset);\n this._offset += 1;\n return value;\n case 0xd1:\n value = this._view.getInt16(this._offset);\n this._offset += 2;\n return value;\n case 0xd2:\n value = this._view.getInt32(this._offset);\n this._offset += 4;\n return value;\n case 0xd3:\n hi = this._view.getInt32(this._offset) * Math.pow(2, 32);\n lo = this._view.getUint32(this._offset + 4);\n this._offset += 8;\n return hi + lo;\n\n // fixext\n case 0xd4:\n type = this._view.getInt8(this._offset);\n this._offset += 1;\n if (type === 0x00) {\n this._offset += 1;\n return void 0;\n }\n return [type, this._bin(1)];\n case 0xd5:\n type = this._view.getInt8(this._offset);\n this._offset += 1;\n return [type, this._bin(2)];\n case 0xd6:\n type = this._view.getInt8(this._offset);\n this._offset += 1;\n return [type, this._bin(4)];\n case 0xd7:\n type = this._view.getInt8(this._offset);\n this._offset += 1;\n if (type === 0x00) {\n hi = this._view.getInt32(this._offset) * Math.pow(2, 32);\n lo = this._view.getUint32(this._offset + 4);\n this._offset += 8;\n return new Date(hi + lo);\n }\n return [type, this._bin(8)];\n case 0xd8:\n type = this._view.getInt8(this._offset);\n this._offset += 1;\n return [type, this._bin(16)];\n\n // str\n case 0xd9:\n length = this._view.getUint8(this._offset);\n this._offset += 1;\n return this._str(length);\n case 0xda:\n length = this._view.getUint16(this._offset);\n this._offset += 2;\n return this._str(length);\n case 0xdb:\n length = this._view.getUint32(this._offset);\n this._offset += 4;\n return this._str(length);\n\n // array\n case 0xdc:\n length = this._view.getUint16(this._offset);\n this._offset += 2;\n return this._array(length);\n case 0xdd:\n length = this._view.getUint32(this._offset);\n this._offset += 4;\n return this._array(length);\n\n // map\n case 0xde:\n length = this._view.getUint16(this._offset);\n this._offset += 2;\n return this._map(length);\n case 0xdf:\n length = this._view.getUint32(this._offset);\n this._offset += 4;\n return this._map(length);\n }\n\n throw new Error('Could not parse');\n};\n\nfunction decode(buffer) {\n var decoder = new Decoder(buffer);\n var value = decoder._parse();\n if (decoder._offset !== buffer.byteLength) {\n throw new Error((buffer.byteLength - decoder._offset) + ' trailing bytes');\n }\n return value;\n}\n\nmodule.exports = decode;\n","exports.encode = require('./encode');\nexports.decode = require('./decode');\n","\r\n/**\r\n * Expose `Emitter`.\r\n */\r\n\r\nif (typeof module !== 'undefined') {\r\n module.exports = Emitter;\r\n}\r\n\r\n/**\r\n * Initialize a new `Emitter`.\r\n *\r\n * @api public\r\n */\r\n\r\nfunction Emitter(obj) {\r\n if (obj) return mixin(obj);\r\n};\r\n\r\n/**\r\n * Mixin the emitter properties.\r\n *\r\n * @param {Object} obj\r\n * @return {Object}\r\n * @api private\r\n */\r\n\r\nfunction mixin(obj) {\r\n for (var key in Emitter.prototype) {\r\n obj[key] = Emitter.prototype[key];\r\n }\r\n return obj;\r\n}\r\n\r\n/**\r\n * Listen on the given `event` with `fn`.\r\n *\r\n * @param {String} event\r\n * @param {Function} fn\r\n * @return {Emitter}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.on =\r\nEmitter.prototype.addEventListener = function(event, fn){\r\n this._callbacks = this._callbacks || {};\r\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\r\n .push(fn);\r\n return this;\r\n};\r\n\r\n/**\r\n * Adds an `event` listener that will be invoked a single\r\n * time then automatically removed.\r\n *\r\n * @param {String} event\r\n * @param {Function} fn\r\n * @return {Emitter}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.once = function(event, fn){\r\n function on() {\r\n this.off(event, on);\r\n fn.apply(this, arguments);\r\n }\r\n\r\n on.fn = fn;\r\n this.on(event, on);\r\n return this;\r\n};\r\n\r\n/**\r\n * Remove the given callback for `event` or all\r\n * registered callbacks.\r\n *\r\n * @param {String} event\r\n * @param {Function} fn\r\n * @return {Emitter}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.off =\r\nEmitter.prototype.removeListener =\r\nEmitter.prototype.removeAllListeners =\r\nEmitter.prototype.removeEventListener = function(event, fn){\r\n this._callbacks = this._callbacks || {};\r\n\r\n // all\r\n if (0 == arguments.length) {\r\n this._callbacks = {};\r\n return this;\r\n }\r\n\r\n // specific event\r\n var callbacks = this._callbacks['$' + event];\r\n if (!callbacks) return this;\r\n\r\n // remove all handlers\r\n if (1 == arguments.length) {\r\n delete this._callbacks['$' + event];\r\n return this;\r\n }\r\n\r\n // remove specific handler\r\n var cb;\r\n for (var i = 0; i < callbacks.length; i++) {\r\n cb = callbacks[i];\r\n if (cb === fn || cb.fn === fn) {\r\n callbacks.splice(i, 1);\r\n break;\r\n }\r\n }\r\n\r\n // Remove event specific arrays for event types that no\r\n // one is subscribed for to avoid memory leak.\r\n if (callbacks.length === 0) {\r\n delete this._callbacks['$' + event];\r\n }\r\n\r\n return this;\r\n};\r\n\r\n/**\r\n * Emit `event` with the given args.\r\n *\r\n * @param {String} event\r\n * @param {Mixed} ...\r\n * @return {Emitter}\r\n */\r\n\r\nEmitter.prototype.emit = function(event){\r\n this._callbacks = this._callbacks || {};\r\n\r\n var args = new Array(arguments.length - 1)\r\n , callbacks = this._callbacks['$' + event];\r\n\r\n for (var i = 1; i < arguments.length; i++) {\r\n args[i - 1] = arguments[i];\r\n }\r\n\r\n if (callbacks) {\r\n callbacks = callbacks.slice(0);\r\n for (var i = 0, len = callbacks.length; i < len; ++i) {\r\n callbacks[i].apply(this, args);\r\n }\r\n }\r\n\r\n return this;\r\n};\r\n\r\n/**\r\n * Return array of callbacks for `event`.\r\n *\r\n * @param {String} event\r\n * @return {Array}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.listeners = function(event){\r\n this._callbacks = this._callbacks || {};\r\n return this._callbacks['$' + event] || [];\r\n};\r\n\r\n/**\r\n * Check if this emitter has `event` handlers.\r\n *\r\n * @param {String} event\r\n * @return {Boolean}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.hasListeners = function(event){\r\n return !! this.listeners(event).length;\r\n};\r\n","var msgpack = require(\"notepack.io\");\nvar Emitter = require(\"component-emitter\");\n\nexports.protocol = 5;\n\n/**\n * Packet types (see https://github.com/socketio/socket.io-protocol)\n */\n\nvar PacketType = (exports.PacketType = {\n CONNECT: 0,\n DISCONNECT: 1,\n EVENT: 2,\n ACK: 3,\n CONNECT_ERROR: 4,\n});\n\nvar isInteger =\n Number.isInteger ||\n function (value) {\n return (\n typeof value === \"number\" &&\n isFinite(value) &&\n Math.floor(value) === value\n );\n };\n\nvar isString = function (value) {\n return typeof value === \"string\";\n};\n\nvar isObject = function (value) {\n return Object.prototype.toString.call(value) === \"[object Object]\";\n};\n\nfunction Encoder() {}\n\nEncoder.prototype.encode = function (packet) {\n return [msgpack.encode(packet)];\n};\n\nfunction Decoder() {}\n\nEmitter(Decoder.prototype);\n\nDecoder.prototype.add = function (obj) {\n var decoded = msgpack.decode(obj);\n this.checkPacket(decoded);\n this.emit(\"decoded\", decoded);\n};\n\nfunction isDataValid(decoded) {\n switch (decoded.type) {\n case PacketType.CONNECT:\n return decoded.data === undefined || isObject(decoded.data);\n case PacketType.DISCONNECT:\n return decoded.data === undefined;\n case PacketType.CONNECT_ERROR:\n return isString(decoded.data) || isObject(decoded.data);\n default:\n return Array.isArray(decoded.data);\n }\n}\n\nDecoder.prototype.checkPacket = function (decoded) {\n var isTypeValid =\n isInteger(decoded.type) &&\n decoded.type >= PacketType.CONNECT &&\n decoded.type <= PacketType.CONNECT_ERROR;\n if (!isTypeValid) {\n throw new Error(\"invalid packet type\");\n }\n\n if (!isString(decoded.nsp)) {\n throw new Error(\"invalid namespace\");\n }\n\n if (!isDataValid(decoded)) {\n throw new Error(\"invalid payload\");\n }\n\n var isAckValid = decoded.id === undefined || isInteger(decoded.id);\n if (!isAckValid) {\n throw new Error(\"invalid packet id\");\n }\n};\n\nDecoder.prototype.destroy = function () {};\n\nexports.Encoder = Encoder;\nexports.Decoder = Decoder;\n","export function on(obj, ev, fn) {\n obj.on(ev, fn);\n return function subDestroy() {\n obj.off(ev, fn);\n };\n}\n","import { PacketType } from \"socket.io-parser\";\nimport { on } from \"./on.js\";\nimport { Emitter, } from \"@socket.io/component-emitter\";\n/**\n * Internal events.\n * These events can't be emitted by the user.\n */\nconst RESERVED_EVENTS = Object.freeze({\n connect: 1,\n connect_error: 1,\n disconnect: 1,\n disconnecting: 1,\n // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener\n newListener: 1,\n removeListener: 1,\n});\n/**\n * A Socket is the fundamental class for interacting with the server.\n *\n * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(\"connected\");\n * });\n *\n * // send an event to the server\n * socket.emit(\"foo\", \"bar\");\n *\n * socket.on(\"foobar\", () => {\n * // an event was received from the server\n * });\n *\n * // upon disconnection\n * socket.on(\"disconnect\", (reason) => {\n * console.log(`disconnected due to ${reason}`);\n * });\n */\nexport class Socket extends Emitter {\n /**\n * `Socket` constructor.\n */\n constructor(io, nsp, opts) {\n super();\n /**\n * Whether the socket is currently connected to the server.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(socket.connected); // true\n * });\n *\n * socket.on(\"disconnect\", () => {\n * console.log(socket.connected); // false\n * });\n */\n this.connected = false;\n /**\n * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will\n * be transmitted by the server.\n */\n this.recovered = false;\n /**\n * Buffer for packets received before the CONNECT packet\n */\n this.receiveBuffer = [];\n /**\n * Buffer for packets that will be sent once the socket is connected\n */\n this.sendBuffer = [];\n /**\n * The queue of packets to be sent with retry in case of failure.\n *\n * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order.\n * @private\n */\n this._queue = [];\n /**\n * A sequence to generate the ID of the {@link QueuedPacket}.\n * @private\n */\n this._queueSeq = 0;\n this.ids = 0;\n this.acks = {};\n this.flags = {};\n this.io = io;\n this.nsp = nsp;\n if (opts && opts.auth) {\n this.auth = opts.auth;\n }\n this._opts = Object.assign({}, opts);\n if (this.io._autoConnect)\n this.open();\n }\n /**\n * Whether the socket is currently disconnected\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(socket.disconnected); // false\n * });\n *\n * socket.on(\"disconnect\", () => {\n * console.log(socket.disconnected); // true\n * });\n */\n get disconnected() {\n return !this.connected;\n }\n /**\n * Subscribe to open, close and packet events\n *\n * @private\n */\n subEvents() {\n if (this.subs)\n return;\n const io = this.io;\n this.subs = [\n on(io, \"open\", this.onopen.bind(this)),\n on(io, \"packet\", this.onpacket.bind(this)),\n on(io, \"error\", this.onerror.bind(this)),\n on(io, \"close\", this.onclose.bind(this)),\n ];\n }\n /**\n * Whether the Socket will try to reconnect when its Manager connects or reconnects.\n *\n * @example\n * const socket = io();\n *\n * console.log(socket.active); // true\n *\n * socket.on(\"disconnect\", (reason) => {\n * if (reason === \"io server disconnect\") {\n * // the disconnection was initiated by the server, you need to manually reconnect\n * console.log(socket.active); // false\n * }\n * // else the socket will automatically try to reconnect\n * console.log(socket.active); // true\n * });\n */\n get active() {\n return !!this.subs;\n }\n /**\n * \"Opens\" the socket.\n *\n * @example\n * const socket = io({\n * autoConnect: false\n * });\n *\n * socket.connect();\n */\n connect() {\n if (this.connected)\n return this;\n this.subEvents();\n if (!this.io[\"_reconnecting\"])\n this.io.open(); // ensure open\n if (\"open\" === this.io._readyState)\n this.onopen();\n return this;\n }\n /**\n * Alias for {@link connect()}.\n */\n open() {\n return this.connect();\n }\n /**\n * Sends a `message` event.\n *\n * This method mimics the WebSocket.send() method.\n *\n * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send\n *\n * @example\n * socket.send(\"hello\");\n *\n * // this is equivalent to\n * socket.emit(\"message\", \"hello\");\n *\n * @return self\n */\n send(...args) {\n args.unshift(\"message\");\n this.emit.apply(this, args);\n return this;\n }\n /**\n * Override `emit`.\n * If the event is in `events`, it's emitted normally.\n *\n * @example\n * socket.emit(\"hello\", \"world\");\n *\n * // all serializable datastructures are supported (no need to call JSON.stringify)\n * socket.emit(\"hello\", 1, \"2\", { 3: [\"4\"], 5: Uint8Array.from([6]) });\n *\n * // with an acknowledgement from the server\n * socket.emit(\"hello\", \"world\", (val) => {\n * // ...\n * });\n *\n * @return self\n */\n emit(ev, ...args) {\n if (RESERVED_EVENTS.hasOwnProperty(ev)) {\n throw new Error('\"' + ev.toString() + '\" is a reserved event name');\n }\n args.unshift(ev);\n if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) {\n this._addToQueue(args);\n return this;\n }\n const packet = {\n type: PacketType.EVENT,\n data: args,\n };\n packet.options = {};\n packet.options.compress = this.flags.compress !== false;\n // event ack callback\n if (\"function\" === typeof args[args.length - 1]) {\n const id = this.ids++;\n const ack = args.pop();\n this._registerAckCallback(id, ack);\n packet.id = id;\n }\n const isTransportWritable = this.io.engine &&\n this.io.engine.transport &&\n this.io.engine.transport.writable;\n const discardPacket = this.flags.volatile && (!isTransportWritable || !this.connected);\n if (discardPacket) {\n }\n else if (this.connected) {\n this.notifyOutgoingListeners(packet);\n this.packet(packet);\n }\n else {\n this.sendBuffer.push(packet);\n }\n this.flags = {};\n return this;\n }\n /**\n * @private\n */\n _registerAckCallback(id, ack) {\n var _a;\n const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout;\n if (timeout === undefined) {\n this.acks[id] = ack;\n return;\n }\n // @ts-ignore\n const timer = this.io.setTimeoutFn(() => {\n delete this.acks[id];\n for (let i = 0; i < this.sendBuffer.length; i++) {\n if (this.sendBuffer[i].id === id) {\n this.sendBuffer.splice(i, 1);\n }\n }\n ack.call(this, new Error(\"operation has timed out\"));\n }, timeout);\n this.acks[id] = (...args) => {\n // @ts-ignore\n this.io.clearTimeoutFn(timer);\n ack.apply(this, [null, ...args]);\n };\n }\n /**\n * Emits an event and waits for an acknowledgement\n *\n * @example\n * // without timeout\n * const response = await socket.emitWithAck(\"hello\", \"world\");\n *\n * // with a specific timeout\n * try {\n * const response = await socket.timeout(1000).emitWithAck(\"hello\", \"world\");\n * } catch (err) {\n * // the server did not acknowledge the event in the given delay\n * }\n *\n * @return a Promise that will be fulfilled when the server acknowledges the event\n */\n emitWithAck(ev, ...args) {\n // the timeout flag is optional\n const withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined;\n return new Promise((resolve, reject) => {\n args.push((arg1, arg2) => {\n if (withErr) {\n return arg1 ? reject(arg1) : resolve(arg2);\n }\n else {\n return resolve(arg1);\n }\n });\n this.emit(ev, ...args);\n });\n }\n /**\n * Add the packet to the queue.\n * @param args\n * @private\n */\n _addToQueue(args) {\n let ack;\n if (typeof args[args.length - 1] === \"function\") {\n ack = args.pop();\n }\n const packet = {\n id: this._queueSeq++,\n tryCount: 0,\n pending: false,\n args,\n flags: Object.assign({ fromQueue: true }, this.flags),\n };\n args.push((err, ...responseArgs) => {\n if (packet !== this._queue[0]) {\n // the packet has already been acknowledged\n return;\n }\n const hasError = err !== null;\n if (hasError) {\n if (packet.tryCount > this._opts.retries) {\n this._queue.shift();\n if (ack) {\n ack(err);\n }\n }\n }\n else {\n this._queue.shift();\n if (ack) {\n ack(null, ...responseArgs);\n }\n }\n packet.pending = false;\n return this._drainQueue();\n });\n this._queue.push(packet);\n this._drainQueue();\n }\n /**\n * Send the first packet of the queue, and wait for an acknowledgement from the server.\n * @param force - whether to resend a packet that has not been acknowledged yet\n *\n * @private\n */\n _drainQueue(force = false) {\n if (!this.connected || this._queue.length === 0) {\n return;\n }\n const packet = this._queue[0];\n if (packet.pending && !force) {\n return;\n }\n packet.pending = true;\n packet.tryCount++;\n this.flags = packet.flags;\n this.emit.apply(this, packet.args);\n }\n /**\n * Sends a packet.\n *\n * @param packet\n * @private\n */\n packet(packet) {\n packet.nsp = this.nsp;\n this.io._packet(packet);\n }\n /**\n * Called upon engine `open`.\n *\n * @private\n */\n onopen() {\n if (typeof this.auth == \"function\") {\n this.auth((data) => {\n this._sendConnectPacket(data);\n });\n }\n else {\n this._sendConnectPacket(this.auth);\n }\n }\n /**\n * Sends a CONNECT packet to initiate the Socket.IO session.\n *\n * @param data\n * @private\n */\n _sendConnectPacket(data) {\n this.packet({\n type: PacketType.CONNECT,\n data: this._pid\n ? Object.assign({ pid: this._pid, offset: this._lastOffset }, data)\n : data,\n });\n }\n /**\n * Called upon engine or manager `error`.\n *\n * @param err\n * @private\n */\n onerror(err) {\n if (!this.connected) {\n this.emitReserved(\"connect_error\", err);\n }\n }\n /**\n * Called upon engine `close`.\n *\n * @param reason\n * @param description\n * @private\n */\n onclose(reason, description) {\n this.connected = false;\n delete this.id;\n this.emitReserved(\"disconnect\", reason, description);\n }\n /**\n * Called with socket packet.\n *\n * @param packet\n * @private\n */\n onpacket(packet) {\n const sameNamespace = packet.nsp === this.nsp;\n if (!sameNamespace)\n return;\n switch (packet.type) {\n case PacketType.CONNECT:\n if (packet.data && packet.data.sid) {\n this.onconnect(packet.data.sid, packet.data.pid);\n }\n else {\n this.emitReserved(\"connect_error\", new Error(\"It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)\"));\n }\n break;\n case PacketType.EVENT:\n case PacketType.BINARY_EVENT:\n this.onevent(packet);\n break;\n case PacketType.ACK:\n case PacketType.BINARY_ACK:\n this.onack(packet);\n break;\n case PacketType.DISCONNECT:\n this.ondisconnect();\n break;\n case PacketType.CONNECT_ERROR:\n this.destroy();\n const err = new Error(packet.data.message);\n // @ts-ignore\n err.data = packet.data.data;\n this.emitReserved(\"connect_error\", err);\n break;\n }\n }\n /**\n * Called upon a server event.\n *\n * @param packet\n * @private\n */\n onevent(packet) {\n const args = packet.data || [];\n if (null != packet.id) {\n args.push(this.ack(packet.id));\n }\n if (this.connected) {\n this.emitEvent(args);\n }\n else {\n this.receiveBuffer.push(Object.freeze(args));\n }\n }\n emitEvent(args) {\n if (this._anyListeners && this._anyListeners.length) {\n const listeners = this._anyListeners.slice();\n for (const listener of listeners) {\n listener.apply(this, args);\n }\n }\n super.emit.apply(this, args);\n if (this._pid && args.length && typeof args[args.length - 1] === \"string\") {\n this._lastOffset = args[args.length - 1];\n }\n }\n /**\n * Produces an ack callback to emit with an event.\n *\n * @private\n */\n ack(id) {\n const self = this;\n let sent = false;\n return function (...args) {\n // prevent double callbacks\n if (sent)\n return;\n sent = true;\n self.packet({\n type: PacketType.ACK,\n id: id,\n data: args,\n });\n };\n }\n /**\n * Called upon a server acknowlegement.\n *\n * @param packet\n * @private\n */\n onack(packet) {\n const ack = this.acks[packet.id];\n if (\"function\" === typeof ack) {\n ack.apply(this, packet.data);\n delete this.acks[packet.id];\n }\n else {\n }\n }\n /**\n * Called upon server connect.\n *\n * @private\n */\n onconnect(id, pid) {\n this.id = id;\n this.recovered = pid && this._pid === pid;\n this._pid = pid; // defined only if connection state recovery is enabled\n this.connected = true;\n this.emitBuffered();\n this.emitReserved(\"connect\");\n this._drainQueue(true);\n }\n /**\n * Emit buffered events (received and emitted).\n *\n * @private\n */\n emitBuffered() {\n this.receiveBuffer.forEach((args) => this.emitEvent(args));\n this.receiveBuffer = [];\n this.sendBuffer.forEach((packet) => {\n this.notifyOutgoingListeners(packet);\n this.packet(packet);\n });\n this.sendBuffer = [];\n }\n /**\n * Called upon server disconnect.\n *\n * @private\n */\n ondisconnect() {\n this.destroy();\n this.onclose(\"io server disconnect\");\n }\n /**\n * Called upon forced client/server side disconnections,\n * this method ensures the manager stops tracking us and\n * that reconnections don't get triggered for this.\n *\n * @private\n */\n destroy() {\n if (this.subs) {\n // clean subscriptions to avoid reconnections\n this.subs.forEach((subDestroy) => subDestroy());\n this.subs = undefined;\n }\n this.io[\"_destroy\"](this);\n }\n /**\n * Disconnects the socket manually. In that case, the socket will not try to reconnect.\n *\n * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"disconnect\", (reason) => {\n * // console.log(reason); prints \"io client disconnect\"\n * });\n *\n * socket.disconnect();\n *\n * @return self\n */\n disconnect() {\n if (this.connected) {\n this.packet({ type: PacketType.DISCONNECT });\n }\n // remove socket from pool\n this.destroy();\n if (this.connected) {\n // fire events\n this.onclose(\"io client disconnect\");\n }\n return this;\n }\n /**\n * Alias for {@link disconnect()}.\n *\n * @return self\n */\n close() {\n return this.disconnect();\n }\n /**\n * Sets the compress flag.\n *\n * @example\n * socket.compress(false).emit(\"hello\");\n *\n * @param compress - if `true`, compresses the sending data\n * @return self\n */\n compress(compress) {\n this.flags.compress = compress;\n return this;\n }\n /**\n * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not\n * ready to send messages.\n *\n * @example\n * socket.volatile.emit(\"hello\"); // the server may or may not receive it\n *\n * @returns self\n */\n get volatile() {\n this.flags.volatile = true;\n return this;\n }\n /**\n * Sets a modifier for a subsequent event emission that the callback will be called with an error when the\n * given number of milliseconds have elapsed without an acknowledgement from the server:\n *\n * @example\n * socket.timeout(5000).emit(\"my-event\", (err) => {\n * if (err) {\n * // the server did not acknowledge the event in the given delay\n * }\n * });\n *\n * @returns self\n */\n timeout(timeout) {\n this.flags.timeout = timeout;\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback.\n *\n * @example\n * socket.onAny((event, ...args) => {\n * console.log(`got ${event}`);\n * });\n *\n * @param listener\n */\n onAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.push(listener);\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback. The listener is added to the beginning of the listeners array.\n *\n * @example\n * socket.prependAny((event, ...args) => {\n * console.log(`got event ${event}`);\n * });\n *\n * @param listener\n */\n prependAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.unshift(listener);\n return this;\n }\n /**\n * Removes the listener that will be fired when any event is emitted.\n *\n * @example\n * const catchAllListener = (event, ...args) => {\n * console.log(`got event ${event}`);\n * }\n *\n * socket.onAny(catchAllListener);\n *\n * // remove a specific listener\n * socket.offAny(catchAllListener);\n *\n * // or remove all listeners\n * socket.offAny();\n *\n * @param listener\n */\n offAny(listener) {\n if (!this._anyListeners) {\n return this;\n }\n if (listener) {\n const listeners = this._anyListeners;\n for (let i = 0; i < listeners.length; i++) {\n if (listener === listeners[i]) {\n listeners.splice(i, 1);\n return this;\n }\n }\n }\n else {\n this._anyListeners = [];\n }\n return this;\n }\n /**\n * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,\n * e.g. to remove listeners.\n */\n listenersAny() {\n return this._anyListeners || [];\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback.\n *\n * Note: acknowledgements sent to the server are not included.\n *\n * @example\n * socket.onAnyOutgoing((event, ...args) => {\n * console.log(`sent event ${event}`);\n * });\n *\n * @param listener\n */\n onAnyOutgoing(listener) {\n this._anyOutgoingListeners = this._anyOutgoingListeners || [];\n this._anyOutgoingListeners.push(listener);\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback. The listener is added to the beginning of the listeners array.\n *\n * Note: acknowledgements sent to the server are not included.\n *\n * @example\n * socket.prependAnyOutgoing((event, ...args) => {\n * console.log(`sent event ${event}`);\n * });\n *\n * @param listener\n */\n prependAnyOutgoing(listener) {\n this._anyOutgoingListeners = this._anyOutgoingListeners || [];\n this._anyOutgoingListeners.unshift(listener);\n return this;\n }\n /**\n * Removes the listener that will be fired when any event is emitted.\n *\n * @example\n * const catchAllListener = (event, ...args) => {\n * console.log(`sent event ${event}`);\n * }\n *\n * socket.onAnyOutgoing(catchAllListener);\n *\n * // remove a specific listener\n * socket.offAnyOutgoing(catchAllListener);\n *\n * // or remove all listeners\n * socket.offAnyOutgoing();\n *\n * @param [listener] - the catch-all listener (optional)\n */\n offAnyOutgoing(listener) {\n if (!this._anyOutgoingListeners) {\n return this;\n }\n if (listener) {\n const listeners = this._anyOutgoingListeners;\n for (let i = 0; i < listeners.length; i++) {\n if (listener === listeners[i]) {\n listeners.splice(i, 1);\n return this;\n }\n }\n }\n else {\n this._anyOutgoingListeners = [];\n }\n return this;\n }\n /**\n * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,\n * e.g. to remove listeners.\n */\n listenersAnyOutgoing() {\n return this._anyOutgoingListeners || [];\n }\n /**\n * Notify the listeners for each packet sent\n *\n * @param packet\n *\n * @private\n */\n notifyOutgoingListeners(packet) {\n if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) {\n const listeners = this._anyOutgoingListeners.slice();\n for (const listener of listeners) {\n listener.apply(this, packet.data);\n }\n }\n }\n}\n","/**\n * Initialize backoff timer with `opts`.\n *\n * - `min` initial timeout in milliseconds [100]\n * - `max` max timeout [10000]\n * - `jitter` [0]\n * - `factor` [2]\n *\n * @param {Object} opts\n * @api public\n */\nexport function Backoff(opts) {\n opts = opts || {};\n this.ms = opts.min || 100;\n this.max = opts.max || 10000;\n this.factor = opts.factor || 2;\n this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;\n this.attempts = 0;\n}\n/**\n * Return the backoff duration.\n *\n * @return {Number}\n * @api public\n */\nBackoff.prototype.duration = function () {\n var ms = this.ms * Math.pow(this.factor, this.attempts++);\n if (this.jitter) {\n var rand = Math.random();\n var deviation = Math.floor(rand * this.jitter * ms);\n ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;\n }\n return Math.min(ms, this.max) | 0;\n};\n/**\n * Reset the number of attempts.\n *\n * @api public\n */\nBackoff.prototype.reset = function () {\n this.attempts = 0;\n};\n/**\n * Set the minimum duration\n *\n * @api public\n */\nBackoff.prototype.setMin = function (min) {\n this.ms = min;\n};\n/**\n * Set the maximum duration\n *\n * @api public\n */\nBackoff.prototype.setMax = function (max) {\n this.max = max;\n};\n/**\n * Set the jitter\n *\n * @api public\n */\nBackoff.prototype.setJitter = function (jitter) {\n this.jitter = jitter;\n};\n","import { Socket as Engine, installTimerFunctions, nextTick, } from \"engine.io-client\";\nimport { Socket } from \"./socket.js\";\nimport * as parser from \"socket.io-parser\";\nimport { on } from \"./on.js\";\nimport { Backoff } from \"./contrib/backo2.js\";\nimport { Emitter, } from \"@socket.io/component-emitter\";\nexport class Manager extends Emitter {\n constructor(uri, opts) {\n var _a;\n super();\n this.nsps = {};\n this.subs = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n opts.path = opts.path || \"/socket.io\";\n this.opts = opts;\n installTimerFunctions(this, opts);\n this.reconnection(opts.reconnection !== false);\n this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);\n this.reconnectionDelay(opts.reconnectionDelay || 1000);\n this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);\n this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5);\n this.backoff = new Backoff({\n min: this.reconnectionDelay(),\n max: this.reconnectionDelayMax(),\n jitter: this.randomizationFactor(),\n });\n this.timeout(null == opts.timeout ? 20000 : opts.timeout);\n this._readyState = \"closed\";\n this.uri = uri;\n const _parser = opts.parser || parser;\n this.encoder = new _parser.Encoder();\n this.decoder = new _parser.Decoder();\n this._autoConnect = opts.autoConnect !== false;\n if (this._autoConnect)\n this.open();\n }\n reconnection(v) {\n if (!arguments.length)\n return this._reconnection;\n this._reconnection = !!v;\n return this;\n }\n reconnectionAttempts(v) {\n if (v === undefined)\n return this._reconnectionAttempts;\n this._reconnectionAttempts = v;\n return this;\n }\n reconnectionDelay(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelay;\n this._reconnectionDelay = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v);\n return this;\n }\n randomizationFactor(v) {\n var _a;\n if (v === undefined)\n return this._randomizationFactor;\n this._randomizationFactor = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v);\n return this;\n }\n reconnectionDelayMax(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelayMax;\n this._reconnectionDelayMax = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v);\n return this;\n }\n timeout(v) {\n if (!arguments.length)\n return this._timeout;\n this._timeout = v;\n return this;\n }\n /**\n * Starts trying to reconnect if reconnection is enabled and we have not\n * started reconnecting yet\n *\n * @private\n */\n maybeReconnectOnOpen() {\n // Only try to reconnect if it's the first time we're connecting\n if (!this._reconnecting &&\n this._reconnection &&\n this.backoff.attempts === 0) {\n // keeps reconnection from firing twice for the same reconnection loop\n this.reconnect();\n }\n }\n /**\n * Sets the current transport `socket`.\n *\n * @param {Function} fn - optional, callback\n * @return self\n * @public\n */\n open(fn) {\n if (~this._readyState.indexOf(\"open\"))\n return this;\n this.engine = new Engine(this.uri, this.opts);\n const socket = this.engine;\n const self = this;\n this._readyState = \"opening\";\n this.skipReconnect = false;\n // emit `open`\n const openSubDestroy = on(socket, \"open\", function () {\n self.onopen();\n fn && fn();\n });\n const onError = (err) => {\n this.cleanup();\n this._readyState = \"closed\";\n this.emitReserved(\"error\", err);\n if (fn) {\n fn(err);\n }\n else {\n // Only do this if there is no fn to handle the error\n this.maybeReconnectOnOpen();\n }\n };\n // emit `error`\n const errorSub = on(socket, \"error\", onError);\n if (false !== this._timeout) {\n const timeout = this._timeout;\n // set timer\n const timer = this.setTimeoutFn(() => {\n openSubDestroy();\n onError(new Error(\"timeout\"));\n socket.close();\n }, timeout);\n if (this.opts.autoUnref) {\n timer.unref();\n }\n this.subs.push(() => {\n this.clearTimeoutFn(timer);\n });\n }\n this.subs.push(openSubDestroy);\n this.subs.push(errorSub);\n return this;\n }\n /**\n * Alias for open()\n *\n * @return self\n * @public\n */\n connect(fn) {\n return this.open(fn);\n }\n /**\n * Called upon transport open.\n *\n * @private\n */\n onopen() {\n // clear old subs\n this.cleanup();\n // mark as open\n this._readyState = \"open\";\n this.emitReserved(\"open\");\n // add new subs\n const socket = this.engine;\n this.subs.push(on(socket, \"ping\", this.onping.bind(this)), on(socket, \"data\", this.ondata.bind(this)), on(socket, \"error\", this.onerror.bind(this)), on(socket, \"close\", this.onclose.bind(this)), on(this.decoder, \"decoded\", this.ondecoded.bind(this)));\n }\n /**\n * Called upon a ping.\n *\n * @private\n */\n onping() {\n this.emitReserved(\"ping\");\n }\n /**\n * Called with data.\n *\n * @private\n */\n ondata(data) {\n try {\n this.decoder.add(data);\n }\n catch (e) {\n this.onclose(\"parse error\", e);\n }\n }\n /**\n * Called when parser fully decodes a packet.\n *\n * @private\n */\n ondecoded(packet) {\n // the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a \"parse error\"\n nextTick(() => {\n this.emitReserved(\"packet\", packet);\n }, this.setTimeoutFn);\n }\n /**\n * Called upon socket error.\n *\n * @private\n */\n onerror(err) {\n this.emitReserved(\"error\", err);\n }\n /**\n * Creates a new socket for the given `nsp`.\n *\n * @return {Socket}\n * @public\n */\n socket(nsp, opts) {\n let socket = this.nsps[nsp];\n if (!socket) {\n socket = new Socket(this, nsp, opts);\n this.nsps[nsp] = socket;\n }\n else if (this._autoConnect && !socket.active) {\n socket.connect();\n }\n return socket;\n }\n /**\n * Called upon a socket close.\n *\n * @param socket\n * @private\n */\n _destroy(socket) {\n const nsps = Object.keys(this.nsps);\n for (const nsp of nsps) {\n const socket = this.nsps[nsp];\n if (socket.active) {\n return;\n }\n }\n this._close();\n }\n /**\n * Writes a packet.\n *\n * @param packet\n * @private\n */\n _packet(packet) {\n const encodedPackets = this.encoder.encode(packet);\n for (let i = 0; i < encodedPackets.length; i++) {\n this.engine.write(encodedPackets[i], packet.options);\n }\n }\n /**\n * Clean up transport subscriptions and packet buffer.\n *\n * @private\n */\n cleanup() {\n this.subs.forEach((subDestroy) => subDestroy());\n this.subs.length = 0;\n this.decoder.destroy();\n }\n /**\n * Close the current socket.\n *\n * @private\n */\n _close() {\n this.skipReconnect = true;\n this._reconnecting = false;\n this.onclose(\"forced close\");\n if (this.engine)\n this.engine.close();\n }\n /**\n * Alias for close()\n *\n * @private\n */\n disconnect() {\n return this._close();\n }\n /**\n * Called upon engine close.\n *\n * @private\n */\n onclose(reason, description) {\n this.cleanup();\n this.backoff.reset();\n this._readyState = \"closed\";\n this.emitReserved(\"close\", reason, description);\n if (this._reconnection && !this.skipReconnect) {\n this.reconnect();\n }\n }\n /**\n * Attempt a reconnection.\n *\n * @private\n */\n reconnect() {\n if (this._reconnecting || this.skipReconnect)\n return this;\n const self = this;\n if (this.backoff.attempts >= this._reconnectionAttempts) {\n this.backoff.reset();\n this.emitReserved(\"reconnect_failed\");\n this._reconnecting = false;\n }\n else {\n const delay = this.backoff.duration();\n this._reconnecting = true;\n const timer = this.setTimeoutFn(() => {\n if (self.skipReconnect)\n return;\n this.emitReserved(\"reconnect_attempt\", self.backoff.attempts);\n // check again for the case socket closed in above events\n if (self.skipReconnect)\n return;\n self.open((err) => {\n if (err) {\n self._reconnecting = false;\n self.reconnect();\n this.emitReserved(\"reconnect_error\", err);\n }\n else {\n self.onreconnect();\n }\n });\n }, delay);\n if (this.opts.autoUnref) {\n timer.unref();\n }\n this.subs.push(() => {\n this.clearTimeoutFn(timer);\n });\n }\n }\n /**\n * Called upon successful reconnect.\n *\n * @private\n */\n onreconnect() {\n const attempt = this.backoff.attempts;\n this._reconnecting = false;\n this.backoff.reset();\n this.emitReserved(\"reconnect\", attempt);\n }\n}\n","import { url } from \"./url.js\";\nimport { Manager } from \"./manager.js\";\nimport { Socket } from \"./socket.js\";\n/**\n * Managers cache.\n */\nconst cache = {};\nfunction lookup(uri, opts) {\n if (typeof uri === \"object\") {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n const parsed = url(uri, opts.path || \"/socket.io\");\n const source = parsed.source;\n const id = parsed.id;\n const path = parsed.path;\n const sameNamespace = cache[id] && path in cache[id][\"nsps\"];\n const newConnection = opts.forceNew ||\n opts[\"force new connection\"] ||\n false === opts.multiplex ||\n sameNamespace;\n let io;\n if (newConnection) {\n io = new Manager(source, opts);\n }\n else {\n if (!cache[id]) {\n cache[id] = new Manager(source, opts);\n }\n io = cache[id];\n }\n if (parsed.query && !opts.query) {\n opts.query = parsed.queryKey;\n }\n return io.socket(parsed.path, opts);\n}\n// so that \"lookup\" can be used both as a function (e.g. `io(...)`) and as a\n// namespace (e.g. `io.connect(...)`), for backward compatibility\nObject.assign(lookup, {\n Manager,\n Socket,\n io: lookup,\n connect: lookup,\n});\n/**\n * Protocol version.\n *\n * @public\n */\nexport { protocol } from \"socket.io-parser\";\n/**\n * Expose constructors for standalone build.\n *\n * @public\n */\nexport { Manager, Socket, lookup as io, lookup as connect, lookup as default, };\n","import { parse } from \"engine.io-client\";\n/**\n * URL parser.\n *\n * @param uri - url\n * @param path - the request path of the connection\n * @param loc - An object meant to mimic window.location.\n * Defaults to window.location.\n * @public\n */\nexport function url(uri, path = \"\", loc) {\n let obj = uri;\n // default to window.location\n loc = loc || (typeof location !== \"undefined\" && location);\n if (null == uri)\n uri = loc.protocol + \"//\" + loc.host;\n // relative path support\n if (typeof uri === \"string\") {\n if (\"/\" === uri.charAt(0)) {\n if (\"/\" === uri.charAt(1)) {\n uri = loc.protocol + uri;\n }\n else {\n uri = loc.host + uri;\n }\n }\n if (!/^(https?|wss?):\\/\\//.test(uri)) {\n if (\"undefined\" !== typeof loc) {\n uri = loc.protocol + \"//\" + uri;\n }\n else {\n uri = \"https://\" + uri;\n }\n }\n // parse\n obj = parse(uri);\n }\n // make sure we treat `localhost:80` and `localhost` equally\n if (!obj.port) {\n if (/^(http|ws)$/.test(obj.protocol)) {\n obj.port = \"80\";\n }\n else if (/^(http|ws)s$/.test(obj.protocol)) {\n obj.port = \"443\";\n }\n }\n obj.path = obj.path || \"/\";\n const ipv6 = obj.host.indexOf(\":\") !== -1;\n const host = ipv6 ? \"[\" + obj.host + \"]\" : obj.host;\n // define unique id\n obj.id = obj.protocol + \"://\" + host + \":\" + obj.port + path;\n // define href\n obj.href =\n obj.protocol +\n \"://\" +\n host +\n (loc && loc.port === 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\ No newline at end of file diff --git a/examples/axum-echo/node_modules/socket.io-client/package.json b/examples/axum-echo/node_modules/socket.io-client/package.json new file mode 100644 index 00000000..7043550c --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-client/package.json @@ -0,0 +1,136 @@ +{ + "name": "socket.io-client", + "version": "4.7.4", + "description": "Realtime application framework client", + "keywords": [ + "realtime", + "framework", + "websocket", + "tcp", + "events", + "client" + ], + "files": [ + "dist/", + "build/" + ], + "type": "commonjs", + "main": "./build/cjs/index.js", + "module": "./build/esm/index.js", + "exports": { + "./package.json": "./package.json", + "./dist/socket.io.js": "./dist/socket.io.js", + "./dist/socket.io.js.map": "./dist/socket.io.js.map", + ".": { + "import": { + "types": "./build/esm/index.d.ts", + "node": "./build/esm-debug/index.js", + "default": "./build/esm/index.js" + }, + "require": { + "types": "./build/cjs/index.d.ts", + "default": "./build/cjs/index.js" + } + }, + "./debug": { + "import": { + "types": "./build/esm/index.d.ts", + "default": "./build/esm-debug/index.js" + }, + "require": { + "types": "./build/cjs/index.d.ts", + "default": "./build/cjs/index.js" + } + } + }, + "types": "./build/esm/index.d.ts", + "dependencies": { + "@socket.io/component-emitter": "~3.1.0", + "debug": "~4.3.2", + "engine.io-client": "~6.5.2", + "socket.io-parser": "~4.2.4" + }, + "devDependencies": { + "@babel/core": "^7.15.0", + "@babel/plugin-transform-object-assign": "^7.14.5", + "@babel/preset-env": "^7.15.0", + "@babel/register": "^7.18.9", + "@rollup/plugin-alias": "^3.1.5", + "@rollup/plugin-babel": "^5.3.0", + "@rollup/plugin-commonjs": "^21.0.0", + "@rollup/plugin-node-resolve": "^13.0.5", + "@sinonjs/fake-timers": "^7.1.2", + "@types/mocha": "^9.0.0", + "@types/node": "^16.7.6", + "@types/sinonjs__fake-timers": "^6.0.3", + "@wdio/cli": "^7.26.0", + "@wdio/local-runner": "^7.26.0", + "@wdio/mocha-framework": "^7.26.0", + "@wdio/sauce-service": "^7.26.0", + "@wdio/spec-reporter": "^7.26.0", + "babel-eslint": "^10.1.0", + "babel-loader": "^8.1.0", + "babel-preset-es2015": "6.24.1", + "base64-arraybuffer": "^0.1.5", + "expect.js": "0.3.1", + "has-cors": "^1.1.0", + "mocha": "^10.1.0", + "prettier": "^2.3.2", + "rimraf": "^3.0.2", + "rollup": "^2.58.0", + "rollup-plugin-terser": "^7.0.2", + "socket.io": "^4.6.0-alpha1", + "socket.io-msgpack-parser": "^3.0.0", + "text-blob-builder": "0.0.1", + "ts-loader": "^8.3.0", + "ts-node": "^10.2.1", + "tsd": "^0.17.0", + "typescript": "^4.4.2" + }, + "scripts": { + "compile": "rimraf ./build && tsc && tsc -p tsconfig.esm.json && ./postcompile.sh", + "test": "npm run format:check && npm run compile && if test \"$BROWSERS\" = \"1\" ; then npm run test:browser; else npm run test:node; fi", + "test:node": "mocha --require ts-node/register --reporter dot --require test/support/hooks.ts --timeout 5000 --exit test/index.ts", + "test:browser": "ts-node test/browser-runner.ts", + "test:types": "tsd", + "build": "rollup -c support/rollup.config.umd.js && rollup -c support/rollup.config.esm.js && rollup -c support/rollup.config.umd.msgpack.js", + "format:check": "prettier --check \"*.js\" \"lib/**/*.ts\" \"test/**/*.ts\" \"support/**/*.js\"", + "format:fix": "prettier --write \"*.js\" \"lib/**/*.ts\" \"test/**/*.ts\" \"support/**/*.js\"", + "prepack": "npm run compile" + }, + "contributors": [ + { + "name": "Guillermo Rauch", + "email": "rauchg@gmail.com" + }, + { + "name": "Arnout Kazemier", + "email": "info@3rd-eden.com" + }, + { + "name": "Vladimir Dronnikov", + "email": "dronnikov@gmail.com" + }, + { + "name": "Einar Otto Stangvik", + "email": "einaros@gmail.com" + } + ], + "repository": { + "type": "git", + "url": "https://github.com/socketio/socket.io-client.git" + }, + "license": "MIT", + "engines": { + "node": ">=10.0.0" + }, + "tsd": { + "directory": "test" + }, + "browser": { + "./test/node.ts": false + }, + "overrides": { + "@types/estree": "0.0.52" + } +} diff --git a/examples/axum-echo/node_modules/socket.io-parser/LICENSE b/examples/axum-echo/node_modules/socket.io-parser/LICENSE new file mode 100644 index 00000000..7e43606b --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/LICENSE @@ -0,0 +1,20 @@ +(The MIT License) + +Copyright (c) 2014 Guillermo Rauch + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the 'Software'), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of +the Software, and to permit persons to whom the Software is furnished to do so, +subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR +COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/examples/axum-echo/node_modules/socket.io-parser/Readme.md b/examples/axum-echo/node_modules/socket.io-parser/Readme.md new file mode 100644 index 00000000..e4f6a8af --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/Readme.md @@ -0,0 +1,81 @@ + +# socket.io-parser + +[![Build Status](https://github.com/socketio/socket.io-parser/workflows/CI/badge.svg)](https://github.com/socketio/socket.io-parser/actions) +[![NPM version](https://badge.fury.io/js/socket.io-parser.svg)](http://badge.fury.io/js/socket.io-parser) + +A socket.io encoder and decoder written in JavaScript complying with version `5` +of [socket.io-protocol](https://github.com/socketio/socket.io-protocol). +Used by [socket.io](https://github.com/automattic/socket.io) and +[socket.io-client](https://github.com/automattic/socket.io-client). + +Compatibility table: + +| Parser version | Socket.IO server version | Protocol revision | +|----------------| ------------------------ | ----------------- | +| 3.x | 1.x / 2.x | 4 | +| 4.x | 3.x | 5 | + + +## Parser API + + socket.io-parser is the reference implementation of socket.io-protocol. Read + the full API here: + [socket.io-protocol](https://github.com/learnboost/socket.io-protocol). + +## Example Usage + +### Encoding and decoding a packet + +```js +var parser = require('socket.io-parser'); +var encoder = new parser.Encoder(); +var packet = { + type: parser.EVENT, + data: 'test-packet', + id: 13 +}; +encoder.encode(packet, function(encodedPackets) { + var decoder = new parser.Decoder(); + decoder.on('decoded', function(decodedPacket) { + // decodedPacket.type == parser.EVENT + // decodedPacket.data == 'test-packet' + // decodedPacket.id == 13 + }); + + for (var i = 0; i < encodedPackets.length; i++) { + decoder.add(encodedPackets[i]); + } +}); +``` + +### Encoding and decoding a packet with binary data + +```js +var parser = require('socket.io-parser'); +var encoder = new parser.Encoder(); +var packet = { + type: parser.BINARY_EVENT, + data: {i: new Buffer(1234), j: new Blob([new ArrayBuffer(2)])}, + id: 15 +}; +encoder.encode(packet, function(encodedPackets) { + var decoder = new parser.Decoder(); + decoder.on('decoded', function(decodedPacket) { + // decodedPacket.type == parser.BINARY_EVENT + // Buffer.isBuffer(decodedPacket.data.i) == true + // Buffer.isBuffer(decodedPacket.data.j) == true + // decodedPacket.id == 15 + }); + + for (var i = 0; i < encodedPackets.length; i++) { + decoder.add(encodedPackets[i]); + } +}); +``` +See the test suite for more examples of how socket.io-parser is used. + + +## License + +MIT diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/binary.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/binary.d.ts new file mode 100644 index 00000000..835bd628 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/binary.d.ts @@ -0,0 +1,20 @@ +/** + * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. + * + * @param {Object} packet - socket.io event packet + * @return {Object} with deconstructed packet and list of buffers + * @public + */ +export declare function deconstructPacket(packet: any): { + packet: any; + buffers: any[]; +}; +/** + * Reconstructs a binary packet from its placeholder packet and buffers + * + * @param {Object} packet - event packet with placeholders + * @param {Array} buffers - binary buffers to put in placeholder positions + * @return {Object} reconstructed packet + * @public + */ +export declare function reconstructPacket(packet: any, buffers: any): any; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/binary.js b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/binary.js new file mode 100644 index 00000000..4dfe08f3 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/binary.js @@ -0,0 +1,88 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.reconstructPacket = exports.deconstructPacket = void 0; +const is_binary_js_1 = require("./is-binary.js"); +/** + * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. + * + * @param {Object} packet - socket.io event packet + * @return {Object} with deconstructed packet and list of buffers + * @public + */ +function deconstructPacket(packet) { + const buffers = []; + const packetData = packet.data; + const pack = packet; + pack.data = _deconstructPacket(packetData, buffers); + pack.attachments = buffers.length; // number of binary 'attachments' + return { packet: pack, buffers: buffers }; +} +exports.deconstructPacket = deconstructPacket; +function _deconstructPacket(data, buffers) { + if (!data) + return data; + if ((0, is_binary_js_1.isBinary)(data)) { + const placeholder = { _placeholder: true, num: buffers.length }; + buffers.push(data); + return placeholder; + } + else if (Array.isArray(data)) { + const newData = new Array(data.length); + for (let i = 0; i < data.length; i++) { + newData[i] = _deconstructPacket(data[i], buffers); + } + return newData; + } + else if (typeof data === "object" && !(data instanceof Date)) { + const newData = {}; + for (const key in data) { + if (Object.prototype.hasOwnProperty.call(data, key)) { + newData[key] = _deconstructPacket(data[key], buffers); + } + } + return newData; + } + return data; +} +/** + * Reconstructs a binary packet from its placeholder packet and buffers + * + * @param {Object} packet - event packet with placeholders + * @param {Array} buffers - binary buffers to put in placeholder positions + * @return {Object} reconstructed packet + * @public + */ +function reconstructPacket(packet, buffers) { + packet.data = _reconstructPacket(packet.data, buffers); + delete packet.attachments; // no longer useful + return packet; +} +exports.reconstructPacket = reconstructPacket; +function _reconstructPacket(data, buffers) { + if (!data) + return data; + if (data && data._placeholder === true) { + const isIndexValid = typeof data.num === "number" && + data.num >= 0 && + data.num < buffers.length; + if (isIndexValid) { + return buffers[data.num]; // appropriate buffer (should be natural order anyway) + } + else { + throw new Error("illegal attachments"); + } + } + else if (Array.isArray(data)) { + for (let i = 0; i < data.length; i++) { + data[i] = _reconstructPacket(data[i], buffers); + } + } + else if (typeof data === "object") { + for (const key in data) { + if (Object.prototype.hasOwnProperty.call(data, key)) { + data[key] = _reconstructPacket(data[key], buffers); + } + } + } + return data; +} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/index.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/index.d.ts new file mode 100644 index 00000000..3a20f9db --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/index.d.ts @@ -0,0 +1,90 @@ +import { Emitter } from "@socket.io/component-emitter"; +/** + * Protocol version. + * + * @public + */ +export declare const protocol: number; +export declare enum PacketType { + CONNECT = 0, + DISCONNECT = 1, + EVENT = 2, + ACK = 3, + CONNECT_ERROR = 4, + BINARY_EVENT = 5, + BINARY_ACK = 6 +} +export interface Packet { + type: PacketType; + nsp: string; + data?: any; + id?: number; + attachments?: number; +} +/** + * A socket.io Encoder instance + */ +export declare class Encoder { + private replacer?; + /** + * Encoder constructor + * + * @param {function} replacer - custom replacer to pass down to JSON.parse + */ + constructor(replacer?: (this: any, key: string, value: any) => any); + /** + * Encode a packet as a single string if non-binary, or as a + * buffer sequence, depending on packet type. + * + * @param {Object} obj - packet object + */ + encode(obj: Packet): any[]; + /** + * Encode packet as string. + */ + private encodeAsString; + /** + * Encode packet as 'buffer sequence' by removing blobs, and + * deconstructing packet into object with placeholders and + * a list of buffers. + */ + private encodeAsBinary; +} +interface DecoderReservedEvents { + decoded: (packet: Packet) => void; +} +/** + * A socket.io Decoder instance + * + * @return {Object} decoder + */ +export declare class Decoder extends Emitter<{}, {}, DecoderReservedEvents> { + private reviver?; + private reconstructor; + /** + * Decoder constructor + * + * @param {function} reviver - custom reviver to pass down to JSON.stringify + */ + constructor(reviver?: (this: any, key: string, value: any) => any); + /** + * Decodes an encoded packet string into packet JSON. + * + * @param {String} obj - encoded packet + */ + add(obj: any): void; + /** + * Decode a packet String (JSON data) + * + * @param {String} str + * @return {Object} packet + */ + private decodeString; + private tryParse; + private static isPayloadValid; + /** + * Deallocates a parser's resources + */ + destroy(): void; +} +export {}; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/index.js b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/index.js new file mode 100644 index 00000000..df825880 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/index.js @@ -0,0 +1,321 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.Decoder = exports.Encoder = exports.PacketType = exports.protocol = void 0; +const component_emitter_1 = require("@socket.io/component-emitter"); +const binary_js_1 = require("./binary.js"); +const is_binary_js_1 = require("./is-binary.js"); +const debug_1 = require("debug"); // debug() +const debug = (0, debug_1.default)("socket.io-parser"); // debug() +/** + * These strings must not be used as event names, as they have a special meaning. + */ +const RESERVED_EVENTS = [ + "connect", + "connect_error", + "disconnect", + "disconnecting", + "newListener", + "removeListener", // used by the Node.js EventEmitter +]; +/** + * Protocol version. + * + * @public + */ +exports.protocol = 5; +var PacketType; +(function (PacketType) { + PacketType[PacketType["CONNECT"] = 0] = "CONNECT"; + PacketType[PacketType["DISCONNECT"] = 1] = "DISCONNECT"; + PacketType[PacketType["EVENT"] = 2] = "EVENT"; + PacketType[PacketType["ACK"] = 3] = "ACK"; + PacketType[PacketType["CONNECT_ERROR"] = 4] = "CONNECT_ERROR"; + PacketType[PacketType["BINARY_EVENT"] = 5] = "BINARY_EVENT"; + PacketType[PacketType["BINARY_ACK"] = 6] = "BINARY_ACK"; +})(PacketType = exports.PacketType || (exports.PacketType = {})); +/** + * A socket.io Encoder instance + */ +class Encoder { + /** + * Encoder constructor + * + * @param {function} replacer - custom replacer to pass down to JSON.parse + */ + constructor(replacer) { + this.replacer = replacer; + } + /** + * Encode a packet as a single string if non-binary, or as a + * buffer sequence, depending on packet type. + * + * @param {Object} obj - packet object + */ + encode(obj) { + debug("encoding packet %j", obj); + if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) { + if ((0, is_binary_js_1.hasBinary)(obj)) { + return this.encodeAsBinary({ + type: obj.type === PacketType.EVENT + ? PacketType.BINARY_EVENT + : PacketType.BINARY_ACK, + nsp: obj.nsp, + data: obj.data, + id: obj.id, + }); + } + } + return [this.encodeAsString(obj)]; + } + /** + * Encode packet as string. + */ + encodeAsString(obj) { + // first is type + let str = "" + obj.type; + // attachments if we have them + if (obj.type === PacketType.BINARY_EVENT || + obj.type === PacketType.BINARY_ACK) { + str += obj.attachments + "-"; + } + // if we have a namespace other than `/` + // we append it followed by a comma `,` + if (obj.nsp && "/" !== obj.nsp) { + str += obj.nsp + ","; + } + // immediately followed by the id + if (null != obj.id) { + str += obj.id; + } + // json data + if (null != obj.data) { + str += JSON.stringify(obj.data, this.replacer); + } + debug("encoded %j as %s", obj, str); + return str; + } + /** + * Encode packet as 'buffer sequence' by removing blobs, and + * deconstructing packet into object with placeholders and + * a list of buffers. + */ + encodeAsBinary(obj) { + const deconstruction = (0, binary_js_1.deconstructPacket)(obj); + const pack = this.encodeAsString(deconstruction.packet); + const buffers = deconstruction.buffers; + buffers.unshift(pack); // add packet info to beginning of data list + return buffers; // write all the buffers + } +} +exports.Encoder = Encoder; +// see https://stackoverflow.com/questions/8511281/check-if-a-value-is-an-object-in-javascript +function isObject(value) { + return Object.prototype.toString.call(value) === "[object Object]"; +} +/** + * A socket.io Decoder instance + * + * @return {Object} decoder + */ +class Decoder extends component_emitter_1.Emitter { + /** + * Decoder constructor + * + * @param {function} reviver - custom reviver to pass down to JSON.stringify + */ + constructor(reviver) { + super(); + this.reviver = reviver; + } + /** + * Decodes an encoded packet string into packet JSON. + * + * @param {String} obj - encoded packet + */ + add(obj) { + let packet; + if (typeof obj === "string") { + if (this.reconstructor) { + throw new Error("got plaintext data when reconstructing a packet"); + } + packet = this.decodeString(obj); + const isBinaryEvent = packet.type === PacketType.BINARY_EVENT; + if (isBinaryEvent || packet.type === PacketType.BINARY_ACK) { + packet.type = isBinaryEvent ? PacketType.EVENT : PacketType.ACK; + // binary packet's json + this.reconstructor = new BinaryReconstructor(packet); + // no attachments, labeled binary but no binary data to follow + if (packet.attachments === 0) { + super.emitReserved("decoded", packet); + } + } + else { + // non-binary full packet + super.emitReserved("decoded", packet); + } + } + else if ((0, is_binary_js_1.isBinary)(obj) || obj.base64) { + // raw binary data + if (!this.reconstructor) { + throw new Error("got binary data when not reconstructing a packet"); + } + else { + packet = this.reconstructor.takeBinaryData(obj); + if (packet) { + // received final buffer + this.reconstructor = null; + super.emitReserved("decoded", packet); + } + } + } + else { + throw new Error("Unknown type: " + obj); + } + } + /** + * Decode a packet String (JSON data) + * + * @param {String} str + * @return {Object} packet + */ + decodeString(str) { + let i = 0; + // look up type + const p = { + type: Number(str.charAt(0)), + }; + if (PacketType[p.type] === undefined) { + throw new Error("unknown packet type " + p.type); + } + // look up attachments if type binary + if (p.type === PacketType.BINARY_EVENT || + p.type === PacketType.BINARY_ACK) { + const start = i + 1; + while (str.charAt(++i) !== "-" && i != str.length) { } + const buf = str.substring(start, i); + if (buf != Number(buf) || str.charAt(i) !== "-") { + throw new Error("Illegal attachments"); + } + p.attachments = Number(buf); + } + // look up namespace (if any) + if ("/" === str.charAt(i + 1)) { + const start = i + 1; + while (++i) { + const c = str.charAt(i); + if ("," === c) + break; + if (i === str.length) + break; + } + p.nsp = str.substring(start, i); + } + else { + p.nsp = "/"; + } + // look up id + const next = str.charAt(i + 1); + if ("" !== next && Number(next) == next) { + const start = i + 1; + while (++i) { + const c = str.charAt(i); + if (null == c || Number(c) != c) { + --i; + break; + } + if (i === str.length) + break; + } + p.id = Number(str.substring(start, i + 1)); + } + // look up json data + if (str.charAt(++i)) { + const payload = this.tryParse(str.substr(i)); + if (Decoder.isPayloadValid(p.type, payload)) { + p.data = payload; + } + else { + throw new Error("invalid payload"); + } + } + debug("decoded %s as %j", str, p); + return p; + } + tryParse(str) { + try { + return JSON.parse(str, this.reviver); + } + catch (e) { + return false; + } + } + static isPayloadValid(type, payload) { + switch (type) { + case PacketType.CONNECT: + return isObject(payload); + case PacketType.DISCONNECT: + return payload === undefined; + case PacketType.CONNECT_ERROR: + return typeof payload === "string" || isObject(payload); + case PacketType.EVENT: + case PacketType.BINARY_EVENT: + return (Array.isArray(payload) && + (typeof payload[0] === "number" || + (typeof payload[0] === "string" && + RESERVED_EVENTS.indexOf(payload[0]) === -1))); + case PacketType.ACK: + case PacketType.BINARY_ACK: + return Array.isArray(payload); + } + } + /** + * Deallocates a parser's resources + */ + destroy() { + if (this.reconstructor) { + this.reconstructor.finishedReconstruction(); + this.reconstructor = null; + } + } +} +exports.Decoder = Decoder; +/** + * A manager of a binary event's 'buffer sequence'. Should + * be constructed whenever a packet of type BINARY_EVENT is + * decoded. + * + * @param {Object} packet + * @return {BinaryReconstructor} initialized reconstructor + */ +class BinaryReconstructor { + constructor(packet) { + this.packet = packet; + this.buffers = []; + this.reconPack = packet; + } + /** + * Method to be called when binary data received from connection + * after a BINARY_EVENT packet. + * + * @param {Buffer | ArrayBuffer} binData - the raw binary data received + * @return {null | Object} returns null if more binary data is expected or + * a reconstructed packet object if all buffers have been received. + */ + takeBinaryData(binData) { + this.buffers.push(binData); + if (this.buffers.length === this.reconPack.attachments) { + // done with buffer list + const packet = (0, binary_js_1.reconstructPacket)(this.reconPack, this.buffers); + this.finishedReconstruction(); + return packet; + } + return null; + } + /** + * Cleans up binary packet reconstruction variables. + */ + finishedReconstruction() { + this.reconPack = null; + this.buffers = []; + } +} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/is-binary.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/is-binary.d.ts new file mode 100644 index 00000000..fa182618 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/is-binary.d.ts @@ -0,0 +1,7 @@ +/** + * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. + * + * @private + */ +export declare function isBinary(obj: any): boolean; +export declare function hasBinary(obj: any, toJSON?: boolean): any; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/is-binary.js b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/is-binary.js new file mode 100644 index 00000000..4b7c2347 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/is-binary.js @@ -0,0 +1,55 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.hasBinary = exports.isBinary = void 0; +const withNativeArrayBuffer = typeof ArrayBuffer === "function"; +const isView = (obj) => { + return typeof ArrayBuffer.isView === "function" + ? ArrayBuffer.isView(obj) + : obj.buffer instanceof ArrayBuffer; +}; +const toString = Object.prototype.toString; +const withNativeBlob = typeof Blob === "function" || + (typeof Blob !== "undefined" && + toString.call(Blob) === "[object BlobConstructor]"); +const withNativeFile = typeof File === "function" || + (typeof File !== "undefined" && + toString.call(File) === "[object FileConstructor]"); +/** + * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. + * + * @private + */ +function isBinary(obj) { + return ((withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) || + (withNativeBlob && obj instanceof Blob) || + (withNativeFile && obj instanceof File)); +} +exports.isBinary = isBinary; +function hasBinary(obj, toJSON) { + if (!obj || typeof obj !== "object") { + return false; + } + if (Array.isArray(obj)) { + for (let i = 0, l = obj.length; i < l; i++) { + if (hasBinary(obj[i])) { + return true; + } + } + return false; + } + if (isBinary(obj)) { + return true; + } + if (obj.toJSON && + typeof obj.toJSON === "function" && + arguments.length === 1) { + return hasBinary(obj.toJSON(), true); + } + for (const key in obj) { + if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) { + return true; + } + } + return false; +} +exports.hasBinary = hasBinary; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/package.json b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/package.json new file mode 100644 index 00000000..5bbefffb --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/package.json @@ -0,0 +1,3 @@ +{ + "type": "commonjs" +} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/binary.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/binary.d.ts new file mode 100644 index 00000000..835bd628 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/binary.d.ts @@ -0,0 +1,20 @@ +/** + * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. + * + * @param {Object} packet - socket.io event packet + * @return {Object} with deconstructed packet and list of buffers + * @public + */ +export declare function deconstructPacket(packet: any): { + packet: any; + buffers: any[]; +}; +/** + * Reconstructs a binary packet from its placeholder packet and buffers + * + * @param {Object} packet - event packet with placeholders + * @param {Array} buffers - binary buffers to put in placeholder positions + * @return {Object} reconstructed packet + * @public + */ +export declare function reconstructPacket(packet: any, buffers: any): any; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/binary.js b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/binary.js new file mode 100644 index 00000000..5d5c3d8a --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/binary.js @@ -0,0 +1,83 @@ +import { isBinary } from "./is-binary.js"; +/** + * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. + * + * @param {Object} packet - socket.io event packet + * @return {Object} with deconstructed packet and list of buffers + * @public + */ +export function deconstructPacket(packet) { + const buffers = []; + const packetData = packet.data; + const pack = packet; + pack.data = _deconstructPacket(packetData, buffers); + pack.attachments = buffers.length; // number of binary 'attachments' + return { packet: pack, buffers: buffers }; +} +function _deconstructPacket(data, buffers) { + if (!data) + return data; + if (isBinary(data)) { + const placeholder = { _placeholder: true, num: buffers.length }; + buffers.push(data); + return placeholder; + } + else if (Array.isArray(data)) { + const newData = new Array(data.length); + for (let i = 0; i < data.length; i++) { + newData[i] = _deconstructPacket(data[i], buffers); + } + return newData; + } + else if (typeof data === "object" && !(data instanceof Date)) { + const newData = {}; + for (const key in data) { + if (Object.prototype.hasOwnProperty.call(data, key)) { + newData[key] = _deconstructPacket(data[key], buffers); + } + } + return newData; + } + return data; +} +/** + * Reconstructs a binary packet from its placeholder packet and buffers + * + * @param {Object} packet - event packet with placeholders + * @param {Array} buffers - binary buffers to put in placeholder positions + * @return {Object} reconstructed packet + * @public + */ +export function reconstructPacket(packet, buffers) { + packet.data = _reconstructPacket(packet.data, buffers); + delete packet.attachments; // no longer useful + return packet; +} +function _reconstructPacket(data, buffers) { + if (!data) + return data; + if (data && data._placeholder === true) { + const isIndexValid = typeof data.num === "number" && + data.num >= 0 && + data.num < buffers.length; + if (isIndexValid) { + return buffers[data.num]; // appropriate buffer (should be natural order anyway) + } + else { + throw new Error("illegal attachments"); + } + } + else if (Array.isArray(data)) { + for (let i = 0; i < data.length; i++) { + data[i] = _reconstructPacket(data[i], buffers); + } + } + else if (typeof data === "object") { + for (const key in data) { + if (Object.prototype.hasOwnProperty.call(data, key)) { + data[key] = _reconstructPacket(data[key], buffers); + } + } + } + return data; +} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/index.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/index.d.ts new file mode 100644 index 00000000..3a20f9db --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/index.d.ts @@ -0,0 +1,90 @@ +import { Emitter } from "@socket.io/component-emitter"; +/** + * Protocol version. + * + * @public + */ +export declare const protocol: number; +export declare enum PacketType { + CONNECT = 0, + DISCONNECT = 1, + EVENT = 2, + ACK = 3, + CONNECT_ERROR = 4, + BINARY_EVENT = 5, + BINARY_ACK = 6 +} +export interface Packet { + type: PacketType; + nsp: string; + data?: any; + id?: number; + attachments?: number; +} +/** + * A socket.io Encoder instance + */ +export declare class Encoder { + private replacer?; + /** + * Encoder constructor + * + * @param {function} replacer - custom replacer to pass down to JSON.parse + */ + constructor(replacer?: (this: any, key: string, value: any) => any); + /** + * Encode a packet as a single string if non-binary, or as a + * buffer sequence, depending on packet type. + * + * @param {Object} obj - packet object + */ + encode(obj: Packet): any[]; + /** + * Encode packet as string. + */ + private encodeAsString; + /** + * Encode packet as 'buffer sequence' by removing blobs, and + * deconstructing packet into object with placeholders and + * a list of buffers. + */ + private encodeAsBinary; +} +interface DecoderReservedEvents { + decoded: (packet: Packet) => void; +} +/** + * A socket.io Decoder instance + * + * @return {Object} decoder + */ +export declare class Decoder extends Emitter<{}, {}, DecoderReservedEvents> { + private reviver?; + private reconstructor; + /** + * Decoder constructor + * + * @param {function} reviver - custom reviver to pass down to JSON.stringify + */ + constructor(reviver?: (this: any, key: string, value: any) => any); + /** + * Decodes an encoded packet string into packet JSON. + * + * @param {String} obj - encoded packet + */ + add(obj: any): void; + /** + * Decode a packet String (JSON data) + * + * @param {String} str + * @return {Object} packet + */ + private decodeString; + private tryParse; + private static isPayloadValid; + /** + * Deallocates a parser's resources + */ + destroy(): void; +} +export {}; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/index.js b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/index.js new file mode 100644 index 00000000..591bcdcd --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/index.js @@ -0,0 +1,316 @@ +import { Emitter } from "@socket.io/component-emitter"; +import { deconstructPacket, reconstructPacket } from "./binary.js"; +import { isBinary, hasBinary } from "./is-binary.js"; +import debugModule from "debug"; // debug() +const debug = debugModule("socket.io-parser"); // debug() +/** + * These strings must not be used as event names, as they have a special meaning. + */ +const RESERVED_EVENTS = [ + "connect", + "connect_error", + "disconnect", + "disconnecting", + "newListener", + "removeListener", // used by the Node.js EventEmitter +]; +/** + * Protocol version. + * + * @public + */ +export const protocol = 5; +export var PacketType; +(function (PacketType) { + PacketType[PacketType["CONNECT"] = 0] = "CONNECT"; + PacketType[PacketType["DISCONNECT"] = 1] = "DISCONNECT"; + PacketType[PacketType["EVENT"] = 2] = "EVENT"; + PacketType[PacketType["ACK"] = 3] = "ACK"; + PacketType[PacketType["CONNECT_ERROR"] = 4] = "CONNECT_ERROR"; + PacketType[PacketType["BINARY_EVENT"] = 5] = "BINARY_EVENT"; + PacketType[PacketType["BINARY_ACK"] = 6] = "BINARY_ACK"; +})(PacketType || (PacketType = {})); +/** + * A socket.io Encoder instance + */ +export class Encoder { + /** + * Encoder constructor + * + * @param {function} replacer - custom replacer to pass down to JSON.parse + */ + constructor(replacer) { + this.replacer = replacer; + } + /** + * Encode a packet as a single string if non-binary, or as a + * buffer sequence, depending on packet type. + * + * @param {Object} obj - packet object + */ + encode(obj) { + debug("encoding packet %j", obj); + if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) { + if (hasBinary(obj)) { + return this.encodeAsBinary({ + type: obj.type === PacketType.EVENT + ? PacketType.BINARY_EVENT + : PacketType.BINARY_ACK, + nsp: obj.nsp, + data: obj.data, + id: obj.id, + }); + } + } + return [this.encodeAsString(obj)]; + } + /** + * Encode packet as string. + */ + encodeAsString(obj) { + // first is type + let str = "" + obj.type; + // attachments if we have them + if (obj.type === PacketType.BINARY_EVENT || + obj.type === PacketType.BINARY_ACK) { + str += obj.attachments + "-"; + } + // if we have a namespace other than `/` + // we append it followed by a comma `,` + if (obj.nsp && "/" !== obj.nsp) { + str += obj.nsp + ","; + } + // immediately followed by the id + if (null != obj.id) { + str += obj.id; + } + // json data + if (null != obj.data) { + str += JSON.stringify(obj.data, this.replacer); + } + debug("encoded %j as %s", obj, str); + return str; + } + /** + * Encode packet as 'buffer sequence' by removing blobs, and + * deconstructing packet into object with placeholders and + * a list of buffers. + */ + encodeAsBinary(obj) { + const deconstruction = deconstructPacket(obj); + const pack = this.encodeAsString(deconstruction.packet); + const buffers = deconstruction.buffers; + buffers.unshift(pack); // add packet info to beginning of data list + return buffers; // write all the buffers + } +} +// see https://stackoverflow.com/questions/8511281/check-if-a-value-is-an-object-in-javascript +function isObject(value) { + return Object.prototype.toString.call(value) === "[object Object]"; +} +/** + * A socket.io Decoder instance + * + * @return {Object} decoder + */ +export class Decoder extends Emitter { + /** + * Decoder constructor + * + * @param {function} reviver - custom reviver to pass down to JSON.stringify + */ + constructor(reviver) { + super(); + this.reviver = reviver; + } + /** + * Decodes an encoded packet string into packet JSON. + * + * @param {String} obj - encoded packet + */ + add(obj) { + let packet; + if (typeof obj === "string") { + if (this.reconstructor) { + throw new Error("got plaintext data when reconstructing a packet"); + } + packet = this.decodeString(obj); + const isBinaryEvent = packet.type === PacketType.BINARY_EVENT; + if (isBinaryEvent || packet.type === PacketType.BINARY_ACK) { + packet.type = isBinaryEvent ? PacketType.EVENT : PacketType.ACK; + // binary packet's json + this.reconstructor = new BinaryReconstructor(packet); + // no attachments, labeled binary but no binary data to follow + if (packet.attachments === 0) { + super.emitReserved("decoded", packet); + } + } + else { + // non-binary full packet + super.emitReserved("decoded", packet); + } + } + else if (isBinary(obj) || obj.base64) { + // raw binary data + if (!this.reconstructor) { + throw new Error("got binary data when not reconstructing a packet"); + } + else { + packet = this.reconstructor.takeBinaryData(obj); + if (packet) { + // received final buffer + this.reconstructor = null; + super.emitReserved("decoded", packet); + } + } + } + else { + throw new Error("Unknown type: " + obj); + } + } + /** + * Decode a packet String (JSON data) + * + * @param {String} str + * @return {Object} packet + */ + decodeString(str) { + let i = 0; + // look up type + const p = { + type: Number(str.charAt(0)), + }; + if (PacketType[p.type] === undefined) { + throw new Error("unknown packet type " + p.type); + } + // look up attachments if type binary + if (p.type === PacketType.BINARY_EVENT || + p.type === PacketType.BINARY_ACK) { + const start = i + 1; + while (str.charAt(++i) !== "-" && i != str.length) { } + const buf = str.substring(start, i); + if (buf != Number(buf) || str.charAt(i) !== "-") { + throw new Error("Illegal attachments"); + } + p.attachments = Number(buf); + } + // look up namespace (if any) + if ("/" === str.charAt(i + 1)) { + const start = i + 1; + while (++i) { + const c = str.charAt(i); + if ("," === c) + break; + if (i === str.length) + break; + } + p.nsp = str.substring(start, i); + } + else { + p.nsp = "/"; + } + // look up id + const next = str.charAt(i + 1); + if ("" !== next && Number(next) == next) { + const start = i + 1; + while (++i) { + const c = str.charAt(i); + if (null == c || Number(c) != c) { + --i; + break; + } + if (i === str.length) + break; + } + p.id = Number(str.substring(start, i + 1)); + } + // look up json data + if (str.charAt(++i)) { + const payload = this.tryParse(str.substr(i)); + if (Decoder.isPayloadValid(p.type, payload)) { + p.data = payload; + } + else { + throw new Error("invalid payload"); + } + } + debug("decoded %s as %j", str, p); + return p; + } + tryParse(str) { + try { + return JSON.parse(str, this.reviver); + } + catch (e) { + return false; + } + } + static isPayloadValid(type, payload) { + switch (type) { + case PacketType.CONNECT: + return isObject(payload); + case PacketType.DISCONNECT: + return payload === undefined; + case PacketType.CONNECT_ERROR: + return typeof payload === "string" || isObject(payload); + case PacketType.EVENT: + case PacketType.BINARY_EVENT: + return (Array.isArray(payload) && + (typeof payload[0] === "number" || + (typeof payload[0] === "string" && + RESERVED_EVENTS.indexOf(payload[0]) === -1))); + case PacketType.ACK: + case PacketType.BINARY_ACK: + return Array.isArray(payload); + } + } + /** + * Deallocates a parser's resources + */ + destroy() { + if (this.reconstructor) { + this.reconstructor.finishedReconstruction(); + this.reconstructor = null; + } + } +} +/** + * A manager of a binary event's 'buffer sequence'. Should + * be constructed whenever a packet of type BINARY_EVENT is + * decoded. + * + * @param {Object} packet + * @return {BinaryReconstructor} initialized reconstructor + */ +class BinaryReconstructor { + constructor(packet) { + this.packet = packet; + this.buffers = []; + this.reconPack = packet; + } + /** + * Method to be called when binary data received from connection + * after a BINARY_EVENT packet. + * + * @param {Buffer | ArrayBuffer} binData - the raw binary data received + * @return {null | Object} returns null if more binary data is expected or + * a reconstructed packet object if all buffers have been received. + */ + takeBinaryData(binData) { + this.buffers.push(binData); + if (this.buffers.length === this.reconPack.attachments) { + // done with buffer list + const packet = reconstructPacket(this.reconPack, this.buffers); + this.finishedReconstruction(); + return packet; + } + return null; + } + /** + * Cleans up binary packet reconstruction variables. + */ + finishedReconstruction() { + this.reconPack = null; + this.buffers = []; + } +} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/is-binary.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/is-binary.d.ts new file mode 100644 index 00000000..fa182618 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/is-binary.d.ts @@ -0,0 +1,7 @@ +/** + * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. + * + * @private + */ +export declare function isBinary(obj: any): boolean; +export declare function hasBinary(obj: any, toJSON?: boolean): any; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/is-binary.js b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/is-binary.js new file mode 100644 index 00000000..0c654dd8 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/is-binary.js @@ -0,0 +1,50 @@ +const withNativeArrayBuffer = typeof ArrayBuffer === "function"; +const isView = (obj) => { + return typeof ArrayBuffer.isView === "function" + ? ArrayBuffer.isView(obj) + : obj.buffer instanceof ArrayBuffer; +}; +const toString = Object.prototype.toString; +const withNativeBlob = typeof Blob === "function" || + (typeof Blob !== "undefined" && + toString.call(Blob) === "[object BlobConstructor]"); +const withNativeFile = typeof File === "function" || + (typeof File !== "undefined" && + toString.call(File) === "[object FileConstructor]"); +/** + * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. + * + * @private + */ +export function isBinary(obj) { + return ((withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) || + (withNativeBlob && obj instanceof Blob) || + (withNativeFile && obj instanceof File)); +} +export function hasBinary(obj, toJSON) { + if (!obj || typeof obj !== "object") { + return false; + } + if (Array.isArray(obj)) { + for (let i = 0, l = obj.length; i < l; i++) { + if (hasBinary(obj[i])) { + return true; + } + } + return false; + } + if (isBinary(obj)) { + return true; + } + if (obj.toJSON && + typeof obj.toJSON === "function" && + arguments.length === 1) { + return hasBinary(obj.toJSON(), true); + } + for (const key in obj) { + if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) { + return true; + } + } + return false; +} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/package.json b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/package.json new file mode 100644 index 00000000..3dbc1ca5 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/package.json @@ -0,0 +1,3 @@ +{ + "type": "module" +} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm/binary.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/esm/binary.d.ts new file mode 100644 index 00000000..835bd628 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/esm/binary.d.ts @@ -0,0 +1,20 @@ +/** + * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. + * + * @param {Object} packet - socket.io event packet + * @return {Object} with deconstructed packet and list of buffers + * @public + */ +export declare function deconstructPacket(packet: any): { + packet: any; + buffers: any[]; +}; +/** + * Reconstructs a binary packet from its placeholder packet and buffers + * + * @param {Object} packet - event packet with placeholders + * @param {Array} buffers - binary buffers to put in placeholder positions + * @return {Object} reconstructed packet + * @public + */ +export declare function reconstructPacket(packet: any, buffers: any): any; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm/binary.js b/examples/axum-echo/node_modules/socket.io-parser/build/esm/binary.js new file mode 100644 index 00000000..5d5c3d8a --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/esm/binary.js @@ -0,0 +1,83 @@ +import { isBinary } from "./is-binary.js"; +/** + * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. + * + * @param {Object} packet - socket.io event packet + * @return {Object} with deconstructed packet and list of buffers + * @public + */ +export function deconstructPacket(packet) { + const buffers = []; + const packetData = packet.data; + const pack = packet; + pack.data = _deconstructPacket(packetData, buffers); + pack.attachments = buffers.length; // number of binary 'attachments' + return { packet: pack, buffers: buffers }; +} +function _deconstructPacket(data, buffers) { + if (!data) + return data; + if (isBinary(data)) { + const placeholder = { _placeholder: true, num: buffers.length }; + buffers.push(data); + return placeholder; + } + else if (Array.isArray(data)) { + const newData = new Array(data.length); + for (let i = 0; i < data.length; i++) { + newData[i] = _deconstructPacket(data[i], buffers); + } + return newData; + } + else if (typeof data === "object" && !(data instanceof Date)) { + const newData = {}; + for (const key in data) { + if (Object.prototype.hasOwnProperty.call(data, key)) { + newData[key] = _deconstructPacket(data[key], buffers); + } + } + return newData; + } + return data; +} +/** + * Reconstructs a binary packet from its placeholder packet and buffers + * + * @param {Object} packet - event packet with placeholders + * @param {Array} buffers - binary buffers to put in placeholder positions + * @return {Object} reconstructed packet + * @public + */ +export function reconstructPacket(packet, buffers) { + packet.data = _reconstructPacket(packet.data, buffers); + delete packet.attachments; // no longer useful + return packet; +} +function _reconstructPacket(data, buffers) { + if (!data) + return data; + if (data && data._placeholder === true) { + const isIndexValid = typeof data.num === "number" && + data.num >= 0 && + data.num < buffers.length; + if (isIndexValid) { + return buffers[data.num]; // appropriate buffer (should be natural order anyway) + } + else { + throw new Error("illegal attachments"); + } + } + else if (Array.isArray(data)) { + for (let i = 0; i < data.length; i++) { + data[i] = _reconstructPacket(data[i], buffers); + } + } + else if (typeof data === "object") { + for (const key in data) { + if (Object.prototype.hasOwnProperty.call(data, key)) { + data[key] = _reconstructPacket(data[key], buffers); + } + } + } + return data; +} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm/index.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/esm/index.d.ts new file mode 100644 index 00000000..3a20f9db --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/esm/index.d.ts @@ -0,0 +1,90 @@ +import { Emitter } from "@socket.io/component-emitter"; +/** + * Protocol version. + * + * @public + */ +export declare const protocol: number; +export declare enum PacketType { + CONNECT = 0, + DISCONNECT = 1, + EVENT = 2, + ACK = 3, + CONNECT_ERROR = 4, + BINARY_EVENT = 5, + BINARY_ACK = 6 +} +export interface Packet { + type: PacketType; + nsp: string; + data?: any; + id?: number; + attachments?: number; +} +/** + * A socket.io Encoder instance + */ +export declare class Encoder { + private replacer?; + /** + * Encoder constructor + * + * @param {function} replacer - custom replacer to pass down to JSON.parse + */ + constructor(replacer?: (this: any, key: string, value: any) => any); + /** + * Encode a packet as a single string if non-binary, or as a + * buffer sequence, depending on packet type. + * + * @param {Object} obj - packet object + */ + encode(obj: Packet): any[]; + /** + * Encode packet as string. + */ + private encodeAsString; + /** + * Encode packet as 'buffer sequence' by removing blobs, and + * deconstructing packet into object with placeholders and + * a list of buffers. + */ + private encodeAsBinary; +} +interface DecoderReservedEvents { + decoded: (packet: Packet) => void; +} +/** + * A socket.io Decoder instance + * + * @return {Object} decoder + */ +export declare class Decoder extends Emitter<{}, {}, DecoderReservedEvents> { + private reviver?; + private reconstructor; + /** + * Decoder constructor + * + * @param {function} reviver - custom reviver to pass down to JSON.stringify + */ + constructor(reviver?: (this: any, key: string, value: any) => any); + /** + * Decodes an encoded packet string into packet JSON. + * + * @param {String} obj - encoded packet + */ + add(obj: any): void; + /** + * Decode a packet String (JSON data) + * + * @param {String} str + * @return {Object} packet + */ + private decodeString; + private tryParse; + private static isPayloadValid; + /** + * Deallocates a parser's resources + */ + destroy(): void; +} +export {}; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm/index.js b/examples/axum-echo/node_modules/socket.io-parser/build/esm/index.js new file mode 100644 index 00000000..0fb68865 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/esm/index.js @@ -0,0 +1,311 @@ +import { Emitter } from "@socket.io/component-emitter"; +import { deconstructPacket, reconstructPacket } from "./binary.js"; +import { isBinary, hasBinary } from "./is-binary.js"; +/** + * These strings must not be used as event names, as they have a special meaning. + */ +const RESERVED_EVENTS = [ + "connect", + "connect_error", + "disconnect", + "disconnecting", + "newListener", + "removeListener", // used by the Node.js EventEmitter +]; +/** + * Protocol version. + * + * @public + */ +export const protocol = 5; +export var PacketType; +(function (PacketType) { + PacketType[PacketType["CONNECT"] = 0] = "CONNECT"; + PacketType[PacketType["DISCONNECT"] = 1] = "DISCONNECT"; + PacketType[PacketType["EVENT"] = 2] = "EVENT"; + PacketType[PacketType["ACK"] = 3] = "ACK"; + PacketType[PacketType["CONNECT_ERROR"] = 4] = "CONNECT_ERROR"; + PacketType[PacketType["BINARY_EVENT"] = 5] = "BINARY_EVENT"; + PacketType[PacketType["BINARY_ACK"] = 6] = "BINARY_ACK"; +})(PacketType || (PacketType = {})); +/** + * A socket.io Encoder instance + */ +export class Encoder { + /** + * Encoder constructor + * + * @param {function} replacer - custom replacer to pass down to JSON.parse + */ + constructor(replacer) { + this.replacer = replacer; + } + /** + * Encode a packet as a single string if non-binary, or as a + * buffer sequence, depending on packet type. + * + * @param {Object} obj - packet object + */ + encode(obj) { + if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) { + if (hasBinary(obj)) { + return this.encodeAsBinary({ + type: obj.type === PacketType.EVENT + ? PacketType.BINARY_EVENT + : PacketType.BINARY_ACK, + nsp: obj.nsp, + data: obj.data, + id: obj.id, + }); + } + } + return [this.encodeAsString(obj)]; + } + /** + * Encode packet as string. + */ + encodeAsString(obj) { + // first is type + let str = "" + obj.type; + // attachments if we have them + if (obj.type === PacketType.BINARY_EVENT || + obj.type === PacketType.BINARY_ACK) { + str += obj.attachments + "-"; + } + // if we have a namespace other than `/` + // we append it followed by a comma `,` + if (obj.nsp && "/" !== obj.nsp) { + str += obj.nsp + ","; + } + // immediately followed by the id + if (null != obj.id) { + str += obj.id; + } + // json data + if (null != obj.data) { + str += JSON.stringify(obj.data, this.replacer); + } + return str; + } + /** + * Encode packet as 'buffer sequence' by removing blobs, and + * deconstructing packet into object with placeholders and + * a list of buffers. + */ + encodeAsBinary(obj) { + const deconstruction = deconstructPacket(obj); + const pack = this.encodeAsString(deconstruction.packet); + const buffers = deconstruction.buffers; + buffers.unshift(pack); // add packet info to beginning of data list + return buffers; // write all the buffers + } +} +// see https://stackoverflow.com/questions/8511281/check-if-a-value-is-an-object-in-javascript +function isObject(value) { + return Object.prototype.toString.call(value) === "[object Object]"; +} +/** + * A socket.io Decoder instance + * + * @return {Object} decoder + */ +export class Decoder extends Emitter { + /** + * Decoder constructor + * + * @param {function} reviver - custom reviver to pass down to JSON.stringify + */ + constructor(reviver) { + super(); + this.reviver = reviver; + } + /** + * Decodes an encoded packet string into packet JSON. + * + * @param {String} obj - encoded packet + */ + add(obj) { + let packet; + if (typeof obj === "string") { + if (this.reconstructor) { + throw new Error("got plaintext data when reconstructing a packet"); + } + packet = this.decodeString(obj); + const isBinaryEvent = packet.type === PacketType.BINARY_EVENT; + if (isBinaryEvent || packet.type === PacketType.BINARY_ACK) { + packet.type = isBinaryEvent ? PacketType.EVENT : PacketType.ACK; + // binary packet's json + this.reconstructor = new BinaryReconstructor(packet); + // no attachments, labeled binary but no binary data to follow + if (packet.attachments === 0) { + super.emitReserved("decoded", packet); + } + } + else { + // non-binary full packet + super.emitReserved("decoded", packet); + } + } + else if (isBinary(obj) || obj.base64) { + // raw binary data + if (!this.reconstructor) { + throw new Error("got binary data when not reconstructing a packet"); + } + else { + packet = this.reconstructor.takeBinaryData(obj); + if (packet) { + // received final buffer + this.reconstructor = null; + super.emitReserved("decoded", packet); + } + } + } + else { + throw new Error("Unknown type: " + obj); + } + } + /** + * Decode a packet String (JSON data) + * + * @param {String} str + * @return {Object} packet + */ + decodeString(str) { + let i = 0; + // look up type + const p = { + type: Number(str.charAt(0)), + }; + if (PacketType[p.type] === undefined) { + throw new Error("unknown packet type " + p.type); + } + // look up attachments if type binary + if (p.type === PacketType.BINARY_EVENT || + p.type === PacketType.BINARY_ACK) { + const start = i + 1; + while (str.charAt(++i) !== "-" && i != str.length) { } + const buf = str.substring(start, i); + if (buf != Number(buf) || str.charAt(i) !== "-") { + throw new Error("Illegal attachments"); + } + p.attachments = Number(buf); + } + // look up namespace (if any) + if ("/" === str.charAt(i + 1)) { + const start = i + 1; + while (++i) { + const c = str.charAt(i); + if ("," === c) + break; + if (i === str.length) + break; + } + p.nsp = str.substring(start, i); + } + else { + p.nsp = "/"; + } + // look up id + const next = str.charAt(i + 1); + if ("" !== next && Number(next) == next) { + const start = i + 1; + while (++i) { + const c = str.charAt(i); + if (null == c || Number(c) != c) { + --i; + break; + } + if (i === str.length) + break; + } + p.id = Number(str.substring(start, i + 1)); + } + // look up json data + if (str.charAt(++i)) { + const payload = this.tryParse(str.substr(i)); + if (Decoder.isPayloadValid(p.type, payload)) { + p.data = payload; + } + else { + throw new Error("invalid payload"); + } + } + return p; + } + tryParse(str) { + try { + return JSON.parse(str, this.reviver); + } + catch (e) { + return false; + } + } + static isPayloadValid(type, payload) { + switch (type) { + case PacketType.CONNECT: + return isObject(payload); + case PacketType.DISCONNECT: + return payload === undefined; + case PacketType.CONNECT_ERROR: + return typeof payload === "string" || isObject(payload); + case PacketType.EVENT: + case PacketType.BINARY_EVENT: + return (Array.isArray(payload) && + (typeof payload[0] === "number" || + (typeof payload[0] === "string" && + RESERVED_EVENTS.indexOf(payload[0]) === -1))); + case PacketType.ACK: + case PacketType.BINARY_ACK: + return Array.isArray(payload); + } + } + /** + * Deallocates a parser's resources + */ + destroy() { + if (this.reconstructor) { + this.reconstructor.finishedReconstruction(); + this.reconstructor = null; + } + } +} +/** + * A manager of a binary event's 'buffer sequence'. Should + * be constructed whenever a packet of type BINARY_EVENT is + * decoded. + * + * @param {Object} packet + * @return {BinaryReconstructor} initialized reconstructor + */ +class BinaryReconstructor { + constructor(packet) { + this.packet = packet; + this.buffers = []; + this.reconPack = packet; + } + /** + * Method to be called when binary data received from connection + * after a BINARY_EVENT packet. + * + * @param {Buffer | ArrayBuffer} binData - the raw binary data received + * @return {null | Object} returns null if more binary data is expected or + * a reconstructed packet object if all buffers have been received. + */ + takeBinaryData(binData) { + this.buffers.push(binData); + if (this.buffers.length === this.reconPack.attachments) { + // done with buffer list + const packet = reconstructPacket(this.reconPack, this.buffers); + this.finishedReconstruction(); + return packet; + } + return null; + } + /** + * Cleans up binary packet reconstruction variables. + */ + finishedReconstruction() { + this.reconPack = null; + this.buffers = []; + } +} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm/is-binary.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/esm/is-binary.d.ts new file mode 100644 index 00000000..fa182618 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/esm/is-binary.d.ts @@ -0,0 +1,7 @@ +/** + * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. + * + * @private + */ +export declare function isBinary(obj: any): boolean; +export declare function hasBinary(obj: any, toJSON?: boolean): any; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm/is-binary.js b/examples/axum-echo/node_modules/socket.io-parser/build/esm/is-binary.js new file mode 100644 index 00000000..0c654dd8 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/esm/is-binary.js @@ -0,0 +1,50 @@ +const withNativeArrayBuffer = typeof ArrayBuffer === "function"; +const isView = (obj) => { + return typeof ArrayBuffer.isView === "function" + ? ArrayBuffer.isView(obj) + : obj.buffer instanceof ArrayBuffer; +}; +const toString = Object.prototype.toString; +const withNativeBlob = typeof Blob === "function" || + (typeof Blob !== "undefined" && + toString.call(Blob) === "[object BlobConstructor]"); +const withNativeFile = typeof File === "function" || + (typeof File !== "undefined" && + toString.call(File) === "[object FileConstructor]"); +/** + * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. + * + * @private + */ +export function isBinary(obj) { + return ((withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) || + (withNativeBlob && obj instanceof Blob) || + (withNativeFile && obj instanceof File)); +} +export function hasBinary(obj, toJSON) { + if (!obj || typeof obj !== "object") { + return false; + } + if (Array.isArray(obj)) { + for (let i = 0, l = obj.length; i < l; i++) { + if (hasBinary(obj[i])) { + return true; + } + } + return false; + } + if (isBinary(obj)) { + return true; + } + if (obj.toJSON && + typeof obj.toJSON === "function" && + arguments.length === 1) { + return hasBinary(obj.toJSON(), true); + } + for (const key in obj) { + if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) { + return true; + } + } + return false; +} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm/package.json b/examples/axum-echo/node_modules/socket.io-parser/build/esm/package.json new file mode 100644 index 00000000..3dbc1ca5 --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/build/esm/package.json @@ -0,0 +1,3 @@ +{ + "type": "module" +} diff --git a/examples/axum-echo/node_modules/socket.io-parser/package.json b/examples/axum-echo/node_modules/socket.io-parser/package.json new file mode 100644 index 00000000..478c8fee --- /dev/null +++ b/examples/axum-echo/node_modules/socket.io-parser/package.json @@ -0,0 +1,58 @@ +{ + "name": "socket.io-parser", + "version": "4.2.4", + "description": "socket.io protocol parser", + "repository": { + "type": "git", + "url": "https://github.com/socketio/socket.io-parser.git" + }, + "files": [ + "build/" + ], + "main": "./build/cjs/index.js", + "module": "./build/esm/index.js", + "types": "./build/esm/index.d.ts", + "exports": { + "import": { + "node": "./build/esm-debug/index.js", + "default": "./build/esm/index.js" + }, + "require": "./build/cjs/index.js" + }, + "dependencies": { + "@socket.io/component-emitter": "~3.1.0", + "debug": "~4.3.1" + }, + "devDependencies": { + "@babel/core": "~7.9.6", + "@babel/preset-env": "~7.9.6", + "@babel/register": "^7.18.9", + "@types/debug": "^4.1.5", + "@types/node": "^14.11.1", + "@wdio/cli": "^7.26.0", + "@wdio/local-runner": "^7.26.0", + "@wdio/mocha-framework": "^7.26.0", + "@wdio/sauce-service": "^7.26.0", + "@wdio/spec-reporter": "^7.26.0", + "benchmark": "2.1.2", + "expect.js": "0.3.1", + "mocha": "^10.1.0", + "prettier": "^2.1.2", + "rimraf": "^3.0.2", + "typescript": "^4.0.3", + "wdio-geckodriver-service": "^4.0.0" + }, + "scripts": { + "compile": "rimraf ./build && tsc && tsc -p tsconfig.esm.json && ./postcompile.sh", + "test": "npm run format:check && npm run compile && if test \"$BROWSERS\" = \"1\" ; then npm run test:browser; else npm run test:node; fi", + "test:node": "mocha --reporter dot --bail test/index.js", + "test:browser": "wdio", + "format:fix": "prettier --write --parser typescript '*.js' 'lib/**/*.ts' 'test/**/*.js'", + "format:check": "prettier --check --parser typescript '*.js' 'lib/**/*.ts' 'test/**/*.js'", + "prepack": "npm run compile" + }, + "license": "MIT", + "engines": { + "node": ">=10.0.0" + } +} diff --git a/examples/axum-echo/node_modules/ws/LICENSE b/examples/axum-echo/node_modules/ws/LICENSE new file mode 100644 index 00000000..65ff176b --- /dev/null +++ b/examples/axum-echo/node_modules/ws/LICENSE @@ -0,0 +1,19 @@ +Copyright (c) 2011 Einar Otto Stangvik + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/examples/axum-echo/node_modules/ws/README.md b/examples/axum-echo/node_modules/ws/README.md new file mode 100644 index 00000000..4ae71f6d --- /dev/null +++ b/examples/axum-echo/node_modules/ws/README.md @@ -0,0 +1,495 @@ +# ws: a Node.js WebSocket library + +[![Version npm](https://img.shields.io/npm/v/ws.svg?logo=npm)](https://www.npmjs.com/package/ws) +[![CI](https://img.shields.io/github/workflow/status/websockets/ws/CI/master?label=CI&logo=github)](https://github.com/websockets/ws/actions?query=workflow%3ACI+branch%3Amaster) +[![Coverage Status](https://img.shields.io/coveralls/websockets/ws/master.svg?logo=coveralls)](https://coveralls.io/github/websockets/ws) + +ws is a simple to use, blazing fast, and thoroughly tested WebSocket client and +server implementation. + +Passes the quite extensive Autobahn test suite: [server][server-report], +[client][client-report]. + +**Note**: This module does not work in the browser. The client in the docs is a +reference to a back end with the role of a client in the WebSocket +communication. Browser clients must use the native +[`WebSocket`](https://developer.mozilla.org/en-US/docs/Web/API/WebSocket) +object. To make the same code work seamlessly on Node.js and the browser, you +can use one of the many wrappers available on npm, like +[isomorphic-ws](https://github.com/heineiuo/isomorphic-ws). + +## Table of Contents + +- [Protocol support](#protocol-support) +- [Installing](#installing) + - [Opt-in for performance](#opt-in-for-performance) +- [API docs](#api-docs) +- [WebSocket compression](#websocket-compression) +- [Usage examples](#usage-examples) + - [Sending and receiving text data](#sending-and-receiving-text-data) + - [Sending binary data](#sending-binary-data) + - [Simple server](#simple-server) + - [External HTTP/S server](#external-https-server) + - [Multiple servers sharing a single HTTP/S server](#multiple-servers-sharing-a-single-https-server) + - [Client authentication](#client-authentication) + - [Server broadcast](#server-broadcast) + - [Round-trip time](#round-trip-time) + - [Use the Node.js streams API](#use-the-nodejs-streams-api) + - [Other examples](#other-examples) +- [FAQ](#faq) + - [How to get the IP address of the client?](#how-to-get-the-ip-address-of-the-client) + - [How to detect and close broken connections?](#how-to-detect-and-close-broken-connections) + - [How to connect via a proxy?](#how-to-connect-via-a-proxy) +- [Changelog](#changelog) +- [License](#license) + +## Protocol support + +- **HyBi drafts 07-12** (Use the option `protocolVersion: 8`) +- **HyBi drafts 13-17** (Current default, alternatively option + `protocolVersion: 13`) + +## Installing + +``` +npm install ws +``` + +### Opt-in for performance + +There are 2 optional modules that can be installed along side with the ws +module. These modules are binary addons which improve certain operations. +Prebuilt binaries are available for the most popular platforms so you don't +necessarily need to have a C++ compiler installed on your machine. + +- `npm install --save-optional bufferutil`: Allows to efficiently perform + operations such as masking and unmasking the data payload of the WebSocket + frames. +- `npm install --save-optional utf-8-validate`: Allows to efficiently check if a + message contains valid UTF-8. + +To not even try to require and use these modules, use the +[`WS_NO_BUFFER_UTIL`](./doc/ws.md#ws_no_buffer_util) and +[`WS_NO_UTF_8_VALIDATE`](./doc/ws.md#ws_no_utf_8_validate) environment +variables. These might be useful to enhance security in systems where a user can +put a package in the package search path of an application of another user, due +to how the Node.js resolver algorithm works. + +## API docs + +See [`/doc/ws.md`](./doc/ws.md) for Node.js-like documentation of ws classes and +utility functions. + +## WebSocket compression + +ws supports the [permessage-deflate extension][permessage-deflate] which enables +the client and server to negotiate a compression algorithm and its parameters, +and then selectively apply it to the data payloads of each WebSocket message. + +The extension is disabled by default on the server and enabled by default on the +client. It adds a significant overhead in terms of performance and memory +consumption so we suggest to enable it only if it is really needed. + +Note that Node.js has a variety of issues with high-performance compression, +where increased concurrency, especially on Linux, can lead to [catastrophic +memory fragmentation][node-zlib-bug] and slow performance. If you intend to use +permessage-deflate in production, it is worthwhile to set up a test +representative of your workload and ensure Node.js/zlib will handle it with +acceptable performance and memory usage. + +Tuning of permessage-deflate can be done via the options defined below. You can +also use `zlibDeflateOptions` and `zlibInflateOptions`, which is passed directly +into the creation of [raw deflate/inflate streams][node-zlib-deflaterawdocs]. + +See [the docs][ws-server-options] for more options. + +```js +import WebSocket, { WebSocketServer } from 'ws'; + +const wss = new WebSocketServer({ + port: 8080, + perMessageDeflate: { + zlibDeflateOptions: { + // See zlib defaults. + chunkSize: 1024, + memLevel: 7, + level: 3 + }, + zlibInflateOptions: { + chunkSize: 10 * 1024 + }, + // Other options settable: + clientNoContextTakeover: true, // Defaults to negotiated value. + serverNoContextTakeover: true, // Defaults to negotiated value. + serverMaxWindowBits: 10, // Defaults to negotiated value. + // Below options specified as default values. + concurrencyLimit: 10, // Limits zlib concurrency for perf. + threshold: 1024 // Size (in bytes) below which messages + // should not be compressed if context takeover is disabled. + } +}); +``` + +The client will only use the extension if it is supported and enabled on the +server. To always disable the extension on the client set the +`perMessageDeflate` option to `false`. + +```js +import WebSocket from 'ws'; + +const ws = new WebSocket('ws://www.host.com/path', { + perMessageDeflate: false +}); +``` + +## Usage examples + +### Sending and receiving text data + +```js +import WebSocket from 'ws'; + +const ws = new WebSocket('ws://www.host.com/path'); + +ws.on('open', function open() { + ws.send('something'); +}); + +ws.on('message', function message(data) { + console.log('received: %s', data); +}); +``` + +### Sending binary data + +```js +import WebSocket from 'ws'; + +const ws = new WebSocket('ws://www.host.com/path'); + +ws.on('open', function open() { + const array = new Float32Array(5); + + for (var i = 0; i < array.length; ++i) { + array[i] = i / 2; + } + + ws.send(array); +}); +``` + +### Simple server + +```js +import { WebSocketServer } from 'ws'; + +const wss = new WebSocketServer({ port: 8080 }); + +wss.on('connection', function connection(ws) { + ws.on('message', function message(data) { + console.log('received: %s', data); + }); + + ws.send('something'); +}); +``` + +### External HTTP/S server + +```js +import { createServer } from 'https'; +import { readFileSync } from 'fs'; +import { WebSocketServer } from 'ws'; + +const server = createServer({ + cert: readFileSync('/path/to/cert.pem'), + key: readFileSync('/path/to/key.pem') +}); +const wss = new WebSocketServer({ server }); + +wss.on('connection', function connection(ws) { + ws.on('message', function message(data) { + console.log('received: %s', data); + }); + + ws.send('something'); +}); + +server.listen(8080); +``` + +### Multiple servers sharing a single HTTP/S server + +```js +import { createServer } from 'http'; +import { parse } from 'url'; +import { WebSocketServer } from 'ws'; + +const server = createServer(); +const wss1 = new WebSocketServer({ noServer: true }); +const wss2 = new WebSocketServer({ noServer: true }); + +wss1.on('connection', function connection(ws) { + // ... +}); + +wss2.on('connection', function connection(ws) { + // ... +}); + +server.on('upgrade', function upgrade(request, socket, head) { + const { pathname } = parse(request.url); + + if (pathname === '/foo') { + wss1.handleUpgrade(request, socket, head, function done(ws) { + wss1.emit('connection', ws, request); + }); + } else if (pathname === '/bar') { + wss2.handleUpgrade(request, socket, head, function done(ws) { + wss2.emit('connection', ws, request); + }); + } else { + socket.destroy(); + } +}); + +server.listen(8080); +``` + +### Client authentication + +```js +import { createServer } from 'http'; +import { WebSocketServer } from 'ws'; + +const server = createServer(); +const wss = new WebSocketServer({ noServer: true }); + +wss.on('connection', function connection(ws, request, client) { + ws.on('message', function message(data) { + console.log(`Received message ${data} from user ${client}`); + }); +}); + +server.on('upgrade', function upgrade(request, socket, head) { + // This function is not defined on purpose. Implement it with your own logic. + authenticate(request, function next(err, client) { + if (err || !client) { + socket.write('HTTP/1.1 401 Unauthorized\r\n\r\n'); + socket.destroy(); + return; + } + + wss.handleUpgrade(request, socket, head, function done(ws) { + wss.emit('connection', ws, request, client); + }); + }); +}); + +server.listen(8080); +``` + +Also see the provided [example][session-parse-example] using `express-session`. + +### Server broadcast + +A client WebSocket broadcasting to all connected WebSocket clients, including +itself. + +```js +import WebSocket, { WebSocketServer } from 'ws'; + +const wss = new WebSocketServer({ port: 8080 }); + +wss.on('connection', function connection(ws) { + ws.on('message', function message(data, isBinary) { + wss.clients.forEach(function each(client) { + if (client.readyState === WebSocket.OPEN) { + client.send(data, { binary: isBinary }); + } + }); + }); +}); +``` + +A client WebSocket broadcasting to every other connected WebSocket clients, +excluding itself. + +```js +import WebSocket, { WebSocketServer } from 'ws'; + +const wss = new WebSocketServer({ port: 8080 }); + +wss.on('connection', function connection(ws) { + ws.on('message', function message(data, isBinary) { + wss.clients.forEach(function each(client) { + if (client !== ws && client.readyState === WebSocket.OPEN) { + client.send(data, { binary: isBinary }); + } + }); + }); +}); +``` + +### Round-trip time + +```js +import WebSocket from 'ws'; + +const ws = new WebSocket('wss://websocket-echo.com/'); + +ws.on('open', function open() { + console.log('connected'); + ws.send(Date.now()); +}); + +ws.on('close', function close() { + console.log('disconnected'); +}); + +ws.on('message', function message(data) { + console.log(`Round-trip time: ${Date.now() - data} ms`); + + setTimeout(function timeout() { + ws.send(Date.now()); + }, 500); +}); +``` + +### Use the Node.js streams API + +```js +import WebSocket, { createWebSocketStream } from 'ws'; + +const ws = new WebSocket('wss://websocket-echo.com/'); + +const duplex = createWebSocketStream(ws, { encoding: 'utf8' }); + +duplex.pipe(process.stdout); +process.stdin.pipe(duplex); +``` + +### Other examples + +For a full example with a browser client communicating with a ws server, see the +examples folder. + +Otherwise, see the test cases. + +## FAQ + +### How to get the IP address of the client? + +The remote IP address can be obtained from the raw socket. + +```js +import { WebSocketServer } from 'ws'; + +const wss = new WebSocketServer({ port: 8080 }); + +wss.on('connection', function connection(ws, req) { + const ip = req.socket.remoteAddress; +}); +``` + +When the server runs behind a proxy like NGINX, the de-facto standard is to use +the `X-Forwarded-For` header. + +```js +wss.on('connection', function connection(ws, req) { + const ip = req.headers['x-forwarded-for'].split(',')[0].trim(); +}); +``` + +### How to detect and close broken connections? + +Sometimes the link between the server and the client can be interrupted in a way +that keeps both the server and the client unaware of the broken state of the +connection (e.g. when pulling the cord). + +In these cases ping messages can be used as a means to verify that the remote +endpoint is still responsive. + +```js +import { WebSocketServer } from 'ws'; + +function heartbeat() { + this.isAlive = true; +} + +const wss = new WebSocketServer({ port: 8080 }); + +wss.on('connection', function connection(ws) { + ws.isAlive = true; + ws.on('pong', heartbeat); +}); + +const interval = setInterval(function ping() { + wss.clients.forEach(function each(ws) { + if (ws.isAlive === false) return ws.terminate(); + + ws.isAlive = false; + ws.ping(); + }); +}, 30000); + +wss.on('close', function close() { + clearInterval(interval); +}); +``` + +Pong messages are automatically sent in response to ping messages as required by +the spec. + +Just like the server example above your clients might as well lose connection +without knowing it. You might want to add a ping listener on your clients to +prevent that. A simple implementation would be: + +```js +import WebSocket from 'ws'; + +function heartbeat() { + clearTimeout(this.pingTimeout); + + // Use `WebSocket#terminate()`, which immediately destroys the connection, + // instead of `WebSocket#close()`, which waits for the close timer. + // Delay should be equal to the interval at which your server + // sends out pings plus a conservative assumption of the latency. + this.pingTimeout = setTimeout(() => { + this.terminate(); + }, 30000 + 1000); +} + +const client = new WebSocket('wss://websocket-echo.com/'); + +client.on('open', heartbeat); +client.on('ping', heartbeat); +client.on('close', function clear() { + clearTimeout(this.pingTimeout); +}); +``` + +### How to connect via a proxy? + +Use a custom `http.Agent` implementation like [https-proxy-agent][] or +[socks-proxy-agent][]. + +## Changelog + +We're using the GitHub [releases][changelog] for changelog entries. + +## License + +[MIT](LICENSE) + +[changelog]: https://github.com/websockets/ws/releases +[client-report]: http://websockets.github.io/ws/autobahn/clients/ +[https-proxy-agent]: https://github.com/TooTallNate/node-https-proxy-agent +[node-zlib-bug]: https://github.com/nodejs/node/issues/8871 +[node-zlib-deflaterawdocs]: + https://nodejs.org/api/zlib.html#zlib_zlib_createdeflateraw_options +[permessage-deflate]: https://tools.ietf.org/html/rfc7692 +[server-report]: http://websockets.github.io/ws/autobahn/servers/ +[session-parse-example]: ./examples/express-session-parse +[socks-proxy-agent]: https://github.com/TooTallNate/node-socks-proxy-agent +[ws-server-options]: ./doc/ws.md#new-websocketserveroptions-callback diff --git a/examples/axum-echo/node_modules/ws/browser.js b/examples/axum-echo/node_modules/ws/browser.js new file mode 100644 index 00000000..ca4f628a --- /dev/null +++ b/examples/axum-echo/node_modules/ws/browser.js @@ -0,0 +1,8 @@ +'use strict'; + +module.exports = function () { + throw new Error( + 'ws does not work in the browser. Browser clients must use the native ' + + 'WebSocket object' + ); +}; diff --git a/examples/axum-echo/node_modules/ws/index.js b/examples/axum-echo/node_modules/ws/index.js new file mode 100644 index 00000000..41edb3b8 --- /dev/null +++ b/examples/axum-echo/node_modules/ws/index.js @@ -0,0 +1,13 @@ +'use strict'; + +const WebSocket = require('./lib/websocket'); + +WebSocket.createWebSocketStream = require('./lib/stream'); +WebSocket.Server = require('./lib/websocket-server'); +WebSocket.Receiver = require('./lib/receiver'); +WebSocket.Sender = require('./lib/sender'); + +WebSocket.WebSocket = WebSocket; +WebSocket.WebSocketServer = WebSocket.Server; + +module.exports = WebSocket; diff --git a/examples/axum-echo/node_modules/ws/lib/buffer-util.js b/examples/axum-echo/node_modules/ws/lib/buffer-util.js new file mode 100644 index 00000000..df759554 --- /dev/null +++ b/examples/axum-echo/node_modules/ws/lib/buffer-util.js @@ -0,0 +1,127 @@ +'use strict'; + +const { EMPTY_BUFFER } = require('./constants'); + +/** + * Merges an array of buffers into a new buffer. + * + * @param {Buffer[]} list The array of buffers to concat + * @param {Number} totalLength The total length of buffers in the list + * @return {Buffer} The resulting buffer + * @public + */ +function concat(list, totalLength) { + if (list.length === 0) return EMPTY_BUFFER; + if (list.length === 1) return list[0]; + + const target = Buffer.allocUnsafe(totalLength); + let offset = 0; + + for (let i = 0; i < list.length; i++) { + const buf = list[i]; + target.set(buf, offset); + offset += buf.length; + } + + if (offset < totalLength) return target.slice(0, offset); + + return target; +} + +/** + * Masks a buffer using the given mask. + * + * @param {Buffer} source The buffer to mask + * @param {Buffer} mask The mask to use + * @param {Buffer} output The buffer where to store the result + * @param {Number} offset The offset at which to start writing + * @param {Number} length The number of bytes to mask. + * @public + */ +function _mask(source, mask, output, offset, length) { + for (let i = 0; i < length; i++) { + output[offset + i] = source[i] ^ mask[i & 3]; + } +} + +/** + * Unmasks a buffer using the given mask. + * + * @param {Buffer} buffer The buffer to unmask + * @param {Buffer} mask The mask to use + * @public + */ +function _unmask(buffer, mask) { + for (let i = 0; i < buffer.length; i++) { + buffer[i] ^= mask[i & 3]; + } +} + +/** + * Converts a buffer to an `ArrayBuffer`. + * + * @param {Buffer} buf The buffer to convert + * @return {ArrayBuffer} Converted buffer + * @public + */ +function toArrayBuffer(buf) { + if (buf.byteLength === buf.buffer.byteLength) { + return buf.buffer; + } + + return buf.buffer.slice(buf.byteOffset, buf.byteOffset + buf.byteLength); +} + +/** + * Converts `data` to a `Buffer`. + * + * @param {*} data The data to convert + * @return {Buffer} The buffer + * @throws {TypeError} + * @public + */ +function toBuffer(data) { + toBuffer.readOnly = true; + + if (Buffer.isBuffer(data)) return data; + + let buf; + + if (data instanceof ArrayBuffer) { + buf = Buffer.from(data); + } else if (ArrayBuffer.isView(data)) { + buf = Buffer.from(data.buffer, data.byteOffset, data.byteLength); + } else { + buf = Buffer.from(data); + toBuffer.readOnly = false; + } + + return buf; +} + +module.exports = { + concat, + mask: _mask, + toArrayBuffer, + toBuffer, + unmask: _unmask +}; + +/* istanbul ignore else */ +if (!process.env.WS_NO_BUFFER_UTIL) { + try { + const bufferUtil = require('bufferutil'); + + module.exports.mask = function (source, mask, output, offset, length) { + if (length < 48) _mask(source, mask, output, offset, length); + else bufferUtil.mask(source, mask, output, offset, length); + }; + + module.exports.unmask = function (buffer, mask) { + if (buffer.length < 32) _unmask(buffer, mask); + else bufferUtil.unmask(buffer, mask); + }; + } catch (e) { + // Continue regardless of the error. + } +} diff --git a/examples/axum-echo/node_modules/ws/lib/constants.js b/examples/axum-echo/node_modules/ws/lib/constants.js new file mode 100644 index 00000000..d691b30a --- /dev/null +++ b/examples/axum-echo/node_modules/ws/lib/constants.js @@ -0,0 +1,12 @@ +'use strict'; + +module.exports = { + BINARY_TYPES: ['nodebuffer', 'arraybuffer', 'fragments'], + EMPTY_BUFFER: Buffer.alloc(0), + GUID: '258EAFA5-E914-47DA-95CA-C5AB0DC85B11', + kForOnEventAttribute: Symbol('kIsForOnEventAttribute'), + kListener: Symbol('kListener'), + kStatusCode: Symbol('status-code'), + kWebSocket: Symbol('websocket'), + NOOP: () => {} +}; diff --git a/examples/axum-echo/node_modules/ws/lib/event-target.js b/examples/axum-echo/node_modules/ws/lib/event-target.js new file mode 100644 index 00000000..fea4cbc5 --- /dev/null +++ b/examples/axum-echo/node_modules/ws/lib/event-target.js @@ -0,0 +1,292 @@ +'use strict'; + +const { kForOnEventAttribute, kListener } = require('./constants'); + +const kCode = Symbol('kCode'); +const kData = Symbol('kData'); +const kError = Symbol('kError'); +const kMessage = Symbol('kMessage'); +const kReason = Symbol('kReason'); +const kTarget = Symbol('kTarget'); +const kType = Symbol('kType'); +const kWasClean = Symbol('kWasClean'); + +/** + * Class representing an event. + */ +class Event { + /** + * Create a new `Event`. + * + * @param {String} type The name of the event + * @throws {TypeError} If the `type` argument is not specified + */ + constructor(type) { + this[kTarget] = null; + this[kType] = type; + } + + /** + * @type {*} + */ + get target() { + return this[kTarget]; + } + + /** + * @type {String} + */ + get type() { + return this[kType]; + } +} + +Object.defineProperty(Event.prototype, 'target', { enumerable: true }); +Object.defineProperty(Event.prototype, 'type', { enumerable: true }); + +/** + * Class representing a close event. + * + * @extends Event + */ +class CloseEvent extends Event { + /** + * Create a new `CloseEvent`. + * + * @param {String} type The name of the event + * @param {Object} [options] A dictionary object that allows for setting + * attributes via object members of the same name + * @param {Number} [options.code=0] The status code explaining why the + * connection was closed + * @param {String} [options.reason=''] A human-readable string explaining why + * the connection was closed + * @param {Boolean} [options.wasClean=false] Indicates whether or not the + * connection was cleanly closed + */ + constructor(type, options = {}) { + super(type); + + this[kCode] = options.code === undefined ? 0 : options.code; + this[kReason] = options.reason === undefined ? '' : options.reason; + this[kWasClean] = options.wasClean === undefined ? false : options.wasClean; + } + + /** + * @type {Number} + */ + get code() { + return this[kCode]; + } + + /** + * @type {String} + */ + get reason() { + return this[kReason]; + } + + /** + * @type {Boolean} + */ + get wasClean() { + return this[kWasClean]; + } +} + +Object.defineProperty(CloseEvent.prototype, 'code', { enumerable: true }); +Object.defineProperty(CloseEvent.prototype, 'reason', { enumerable: true }); +Object.defineProperty(CloseEvent.prototype, 'wasClean', { enumerable: true }); + +/** + * Class representing an error event. + * + * @extends Event + */ +class ErrorEvent extends Event { + /** + * Create a new `ErrorEvent`. + * + * @param {String} type The name of the event + * @param {Object} [options] A dictionary object that allows for setting + * attributes via object members of the same name + * @param {*} [options.error=null] The error that generated this event + * @param {String} [options.message=''] The error message + */ + constructor(type, options = {}) { + super(type); + + this[kError] = options.error === undefined ? null : options.error; + this[kMessage] = options.message === undefined ? '' : options.message; + } + + /** + * @type {*} + */ + get error() { + return this[kError]; + } + + /** + * @type {String} + */ + get message() { + return this[kMessage]; + } +} + +Object.defineProperty(ErrorEvent.prototype, 'error', { enumerable: true }); +Object.defineProperty(ErrorEvent.prototype, 'message', { enumerable: true }); + +/** + * Class representing a message event. + * + * @extends Event + */ +class MessageEvent extends Event { + /** + * Create a new `MessageEvent`. + * + * @param {String} type The name of the event + * @param {Object} [options] A dictionary object that allows for setting + * attributes via object members of the same name + * @param {*} [options.data=null] The message content + */ + constructor(type, options = {}) { + super(type); + + this[kData] = options.data === undefined ? null : options.data; + } + + /** + * @type {*} + */ + get data() { + return this[kData]; + } +} + +Object.defineProperty(MessageEvent.prototype, 'data', { enumerable: true }); + +/** + * This provides methods for emulating the `EventTarget` interface. It's not + * meant to be used directly. + * + * @mixin + */ +const EventTarget = { + /** + * Register an event listener. + * + * @param {String} type A string representing the event type to listen for + * @param {(Function|Object)} handler The listener to add + * @param {Object} [options] An options object specifies characteristics about + * the event listener + * @param {Boolean} [options.once=false] A `Boolean` indicating that the + * listener should be invoked at most once after being added. If `true`, + * the listener would be automatically removed when invoked. + * @public + */ + addEventListener(type, handler, options = {}) { + for (const listener of this.listeners(type)) { + if ( + !options[kForOnEventAttribute] && + listener[kListener] === handler && + !listener[kForOnEventAttribute] + ) { + return; + } + } + + let wrapper; + + if (type === 'message') { + wrapper = function onMessage(data, isBinary) { + const event = new MessageEvent('message', { + data: isBinary ? data : data.toString() + }); + + event[kTarget] = this; + callListener(handler, this, event); + }; + } else if (type === 'close') { + wrapper = function onClose(code, message) { + const event = new CloseEvent('close', { + code, + reason: message.toString(), + wasClean: this._closeFrameReceived && this._closeFrameSent + }); + + event[kTarget] = this; + callListener(handler, this, event); + }; + } else if (type === 'error') { + wrapper = function onError(error) { + const event = new ErrorEvent('error', { + error, + message: error.message + }); + + event[kTarget] = this; + callListener(handler, this, event); + }; + } else if (type === 'open') { + wrapper = function onOpen() { + const event = new Event('open'); + + event[kTarget] = this; + callListener(handler, this, event); + }; + } else { + return; + } + + wrapper[kForOnEventAttribute] = !!options[kForOnEventAttribute]; + wrapper[kListener] = handler; + + if (options.once) { + this.once(type, wrapper); + } else { + this.on(type, wrapper); + } + }, + + /** + * Remove an event listener. + * + * @param {String} type A string representing the event type to remove + * @param {(Function|Object)} handler The listener to remove + * @public + */ + removeEventListener(type, handler) { + for (const listener of this.listeners(type)) { + if (listener[kListener] === handler && !listener[kForOnEventAttribute]) { + this.removeListener(type, listener); + break; + } + } + } +}; + +module.exports = { + CloseEvent, + ErrorEvent, + Event, + EventTarget, + MessageEvent +}; + +/** + * Call an event listener + * + * @param {(Function|Object)} listener The listener to call + * @param {*} thisArg The value to use as `this`` when calling the listener + * @param {Event} event The event to pass to the listener + * @private + */ +function callListener(listener, thisArg, event) { + if (typeof listener === 'object' && listener.handleEvent) { + listener.handleEvent.call(listener, event); + } else { + listener.call(thisArg, event); + } +} diff --git a/examples/axum-echo/node_modules/ws/lib/extension.js b/examples/axum-echo/node_modules/ws/lib/extension.js new file mode 100644 index 00000000..3d7895c1 --- /dev/null +++ b/examples/axum-echo/node_modules/ws/lib/extension.js @@ -0,0 +1,203 @@ +'use strict'; + +const { tokenChars } = require('./validation'); + +/** + * Adds an offer to the map of extension offers or a parameter to the map of + * parameters. + * + * @param {Object} dest The map of extension offers or parameters + * @param {String} name The extension or parameter name + * @param {(Object|Boolean|String)} elem The extension parameters or the + * parameter value + * @private + */ +function push(dest, name, elem) { + if (dest[name] === undefined) dest[name] = [elem]; + else dest[name].push(elem); +} + +/** + * Parses the `Sec-WebSocket-Extensions` header into an object. + * + * @param {String} header The field value of the header + * @return {Object} The parsed object + * @public + */ +function parse(header) { + const offers = Object.create(null); + let params = Object.create(null); + let mustUnescape = false; + let isEscaping = false; + let inQuotes = false; + let extensionName; + let paramName; + let start = -1; + let code = -1; + let end = -1; + let i = 0; + + for (; i < header.length; i++) { + code = header.charCodeAt(i); + + if (extensionName === undefined) { + if (end === -1 && tokenChars[code] === 1) { + if (start === -1) start = i; + } else if ( + i !== 0 && + (code === 0x20 /* ' ' */ || code === 0x09) /* '\t' */ + ) { + if (end === -1 && start !== -1) end = i; + } else if (code === 0x3b /* ';' */ || code === 0x2c /* ',' */) { + if (start === -1) { + throw new SyntaxError(`Unexpected character at index ${i}`); + } + + if (end === -1) end = i; + const name = header.slice(start, end); + if (code === 0x2c) { + push(offers, name, params); + params = Object.create(null); + } else { + extensionName = name; + } + + start = end = -1; + } else { + throw new SyntaxError(`Unexpected character at index ${i}`); + } + } else if (paramName === undefined) { + if (end === -1 && tokenChars[code] === 1) { + if (start === -1) start = i; + } else if (code === 0x20 || code === 0x09) { + if (end === -1 && start !== -1) end = i; + } else if (code === 0x3b || code === 0x2c) { + if (start === -1) { + throw new SyntaxError(`Unexpected character at index ${i}`); + } + + if (end === -1) end = i; + push(params, header.slice(start, end), true); + if (code === 0x2c) { + push(offers, extensionName, params); + params = Object.create(null); + extensionName = undefined; + } + + start = end = -1; + } else if (code === 0x3d /* '=' */ && start !== -1 && end === -1) { + paramName = header.slice(start, i); + start = end = -1; + } else { + throw new SyntaxError(`Unexpected character at index ${i}`); + } + } else { + // + // The value of a quoted-string after unescaping must conform to the + // token ABNF, so only token characters are valid. + // Ref: https://tools.ietf.org/html/rfc6455#section-9.1 + // + if (isEscaping) { + if (tokenChars[code] !== 1) { + throw new SyntaxError(`Unexpected character at index ${i}`); + } + if (start === -1) start = i; + else if (!mustUnescape) mustUnescape = true; + isEscaping = false; + } else if (inQuotes) { + if (tokenChars[code] === 1) { + if (start === -1) start = i; + } else if (code === 0x22 /* '"' */ && start !== -1) { + inQuotes = false; + end = i; + } else if (code === 0x5c /* '\' */) { + isEscaping = true; + } else { + throw new SyntaxError(`Unexpected character at index ${i}`); + } + } else if (code === 0x22 && header.charCodeAt(i - 1) === 0x3d) { + inQuotes = true; + } else if (end === -1 && tokenChars[code] === 1) { + if (start === -1) start = i; + } else if (start !== -1 && (code === 0x20 || code === 0x09)) { + if (end === -1) end = i; + } else if (code === 0x3b || code === 0x2c) { + if (start === -1) { + throw new SyntaxError(`Unexpected character at index ${i}`); + } + + if (end === -1) end = i; + let value = header.slice(start, end); + if (mustUnescape) { + value = value.replace(/\\/g, ''); + mustUnescape = false; + } + push(params, paramName, value); + if (code === 0x2c) { + push(offers, extensionName, params); + params = Object.create(null); + extensionName = undefined; + } + + paramName = undefined; + start = end = -1; + } else { + throw new SyntaxError(`Unexpected character at index ${i}`); + } + } + } + + if (start === -1 || inQuotes || code === 0x20 || code === 0x09) { + throw new SyntaxError('Unexpected end of input'); + } + + if (end === -1) end = i; + const token = header.slice(start, end); + if (extensionName === undefined) { + push(offers, token, params); + } else { + if (paramName === undefined) { + push(params, token, true); + } else if (mustUnescape) { + push(params, paramName, token.replace(/\\/g, '')); + } else { + push(params, paramName, token); + } + push(offers, extensionName, params); + } + + return offers; +} + +/** + * Builds the `Sec-WebSocket-Extensions` header field value. + * + * @param {Object} extensions The map of extensions and parameters to format + * @return {String} A string representing the given object + * @public + */ +function format(extensions) { + return Object.keys(extensions) + .map((extension) => { + let configurations = extensions[extension]; + if (!Array.isArray(configurations)) configurations = [configurations]; + return configurations + .map((params) => { + return [extension] + .concat( + Object.keys(params).map((k) => { + let values = params[k]; + if (!Array.isArray(values)) values = [values]; + return values + .map((v) => (v === true ? k : `${k}=${v}`)) + .join('; '); + }) + ) + .join('; '); + }) + .join(', '); + }) + .join(', '); +} + +module.exports = { format, parse }; diff --git a/examples/axum-echo/node_modules/ws/lib/limiter.js b/examples/axum-echo/node_modules/ws/lib/limiter.js new file mode 100644 index 00000000..3fd35784 --- /dev/null +++ b/examples/axum-echo/node_modules/ws/lib/limiter.js @@ -0,0 +1,55 @@ +'use strict'; + +const kDone = Symbol('kDone'); +const kRun = Symbol('kRun'); + +/** + * A very simple job queue with adjustable concurrency. Adapted from + * https://github.com/STRML/async-limiter + */ +class Limiter { + /** + * Creates a new `Limiter`. + * + * @param {Number} [concurrency=Infinity] The maximum number of jobs allowed + * to run concurrently + */ + constructor(concurrency) { + this[kDone] = () => { + this.pending--; + this[kRun](); + }; + this.concurrency = concurrency || Infinity; + this.jobs = []; + this.pending = 0; + } + + /** + * Adds a job to the queue. + * + * @param {Function} job The job to run + * @public + */ + add(job) { + this.jobs.push(job); + this[kRun](); + } + + /** + * Removes a job from the queue and runs it if possible. + * + * @private + */ + [kRun]() { + if (this.pending === this.concurrency) return; + + if (this.jobs.length) { + const job = this.jobs.shift(); + + this.pending++; + job(this[kDone]); + } + } +} + +module.exports = Limiter; diff --git a/examples/axum-echo/node_modules/ws/lib/permessage-deflate.js b/examples/axum-echo/node_modules/ws/lib/permessage-deflate.js new file mode 100644 index 00000000..94603c98 --- /dev/null +++ b/examples/axum-echo/node_modules/ws/lib/permessage-deflate.js @@ -0,0 +1,511 @@ +'use strict'; + +const zlib = require('zlib'); + +const bufferUtil = require('./buffer-util'); +const Limiter = require('./limiter'); +const { kStatusCode } = require('./constants'); + +const TRAILER = Buffer.from([0x00, 0x00, 0xff, 0xff]); +const kPerMessageDeflate = Symbol('permessage-deflate'); +const kTotalLength = Symbol('total-length'); +const kCallback = Symbol('callback'); +const kBuffers = Symbol('buffers'); +const kError = Symbol('error'); + +// +// We limit zlib concurrency, which prevents severe memory fragmentation +// as documented in https://github.com/nodejs/node/issues/8871#issuecomment-250915913 +// and https://github.com/websockets/ws/issues/1202 +// +// Intentionally global; it's the global thread pool that's an issue. +// +let zlibLimiter; + +/** + * permessage-deflate implementation. + */ +class PerMessageDeflate { + /** + * Creates a PerMessageDeflate instance. + * + * @param {Object} [options] Configuration options + * @param {(Boolean|Number)} [options.clientMaxWindowBits] Advertise support + * for, or request, a custom client window size + * @param {Boolean} [options.clientNoContextTakeover=false] Advertise/ + * acknowledge disabling of client context takeover + * @param {Number} [options.concurrencyLimit=10] The number of concurrent + * calls to zlib + * @param {(Boolean|Number)} [options.serverMaxWindowBits] Request/confirm the + * use of a custom server window size + * @param {Boolean} [options.serverNoContextTakeover=false] Request/accept + * disabling of server context takeover + * @param {Number} [options.threshold=1024] Size (in bytes) below which + * messages should not be compressed if context takeover is disabled + * @param {Object} [options.zlibDeflateOptions] Options to pass to zlib on + * deflate + * @param {Object} [options.zlibInflateOptions] Options to pass to zlib on + * inflate + * @param {Boolean} [isServer=false] Create the instance in either server or + * client mode + * @param {Number} [maxPayload=0] The maximum allowed message length + */ + constructor(options, isServer, maxPayload) { + this._maxPayload = maxPayload | 0; + this._options = options || {}; + this._threshold = + this._options.threshold !== undefined ? this._options.threshold : 1024; + this._isServer = !!isServer; + this._deflate = null; + this._inflate = null; + + this.params = null; + + if (!zlibLimiter) { + const concurrency = + this._options.concurrencyLimit !== undefined + ? this._options.concurrencyLimit + : 10; + zlibLimiter = new Limiter(concurrency); + } + } + + /** + * @type {String} + */ + static get extensionName() { + return 'permessage-deflate'; + } + + /** + * Create an extension negotiation offer. + * + * @return {Object} Extension parameters + * @public + */ + offer() { + const params = {}; + + if (this._options.serverNoContextTakeover) { + params.server_no_context_takeover = true; + } + if (this._options.clientNoContextTakeover) { + params.client_no_context_takeover = true; + } + if (this._options.serverMaxWindowBits) { + params.server_max_window_bits = this._options.serverMaxWindowBits; + } + if (this._options.clientMaxWindowBits) { + params.client_max_window_bits = this._options.clientMaxWindowBits; + } else if (this._options.clientMaxWindowBits == null) { + params.client_max_window_bits = true; + } + + return params; + } + + /** + * Accept an extension negotiation offer/response. + * + * @param {Array} configurations The extension negotiation offers/reponse + * @return {Object} Accepted configuration + * @public + */ + accept(configurations) { + configurations = this.normalizeParams(configurations); + + this.params = this._isServer + ? this.acceptAsServer(configurations) + : this.acceptAsClient(configurations); + + return this.params; + } + + /** + * Releases all resources used by the extension. + * + * @public + */ + cleanup() { + if (this._inflate) { + this._inflate.close(); + this._inflate = null; + } + + if (this._deflate) { + const callback = this._deflate[kCallback]; + + this._deflate.close(); + this._deflate = null; + + if (callback) { + callback( + new Error( + 'The deflate stream was closed while data was being processed' + ) + ); + } + } + } + + /** + * Accept an extension negotiation offer. + * + * @param {Array} offers The extension negotiation offers + * @return {Object} Accepted configuration + * @private + */ + acceptAsServer(offers) { + const opts = this._options; + const accepted = offers.find((params) => { + if ( + (opts.serverNoContextTakeover === false && + params.server_no_context_takeover) || + (params.server_max_window_bits && + (opts.serverMaxWindowBits === false || + (typeof opts.serverMaxWindowBits === 'number' && + opts.serverMaxWindowBits > params.server_max_window_bits))) || + (typeof opts.clientMaxWindowBits === 'number' && + !params.client_max_window_bits) + ) { + return false; + } + + return true; + }); + + if (!accepted) { + throw new Error('None of the extension offers can be accepted'); + } + + if (opts.serverNoContextTakeover) { + accepted.server_no_context_takeover = true; + } + if (opts.clientNoContextTakeover) { + accepted.client_no_context_takeover = true; + } + if (typeof opts.serverMaxWindowBits === 'number') { + accepted.server_max_window_bits = opts.serverMaxWindowBits; + } + if (typeof opts.clientMaxWindowBits === 'number') { + accepted.client_max_window_bits = opts.clientMaxWindowBits; + } else if ( + accepted.client_max_window_bits === true || + opts.clientMaxWindowBits === false + ) { + delete accepted.client_max_window_bits; + } + + return accepted; + } + + /** + * Accept the extension negotiation response. + * + * @param {Array} response The extension negotiation response + * @return {Object} Accepted configuration + * @private + */ + acceptAsClient(response) { + const params = response[0]; + + if ( + this._options.clientNoContextTakeover === false && + params.client_no_context_takeover + ) { + throw new Error('Unexpected parameter "client_no_context_takeover"'); + } + + if (!params.client_max_window_bits) { + if (typeof this._options.clientMaxWindowBits === 'number') { + params.client_max_window_bits = this._options.clientMaxWindowBits; + } + } else if ( + this._options.clientMaxWindowBits === false || + (typeof this._options.clientMaxWindowBits === 'number' && + params.client_max_window_bits > this._options.clientMaxWindowBits) + ) { + throw new Error( + 'Unexpected or invalid parameter "client_max_window_bits"' + ); + } + + return params; + } + + /** + * Normalize parameters. + * + * @param {Array} configurations The extension negotiation offers/reponse + * @return {Array} The offers/response with normalized parameters + * @private + */ + normalizeParams(configurations) { + configurations.forEach((params) => { + Object.keys(params).forEach((key) => { + let value = params[key]; + + if (value.length > 1) { + throw new Error(`Parameter "${key}" must have only a single value`); + } + + value = value[0]; + + if (key === 'client_max_window_bits') { + if (value !== true) { + const num = +value; + if (!Number.isInteger(num) || num < 8 || num > 15) { + throw new TypeError( + `Invalid value for parameter "${key}": ${value}` + ); + } + value = num; + } else if (!this._isServer) { + throw new TypeError( + `Invalid value for parameter "${key}": ${value}` + ); + } + } else if (key === 'server_max_window_bits') { + const num = +value; + if (!Number.isInteger(num) || num < 8 || num > 15) { + throw new TypeError( + `Invalid value for parameter "${key}": ${value}` + ); + } + value = num; + } else if ( + key === 'client_no_context_takeover' || + key === 'server_no_context_takeover' + ) { + if (value !== true) { + throw new TypeError( + `Invalid value for parameter "${key}": ${value}` + ); + } + } else { + throw new Error(`Unknown parameter "${key}"`); + } + + params[key] = value; + }); + }); + + return configurations; + } + + /** + * Decompress data. Concurrency limited. + * + * @param {Buffer} data Compressed data + * @param {Boolean} fin Specifies whether or not this is the last fragment + * @param {Function} callback Callback + * @public + */ + decompress(data, fin, callback) { + zlibLimiter.add((done) => { + this._decompress(data, fin, (err, result) => { + done(); + callback(err, result); + }); + }); + } + + /** + * Compress data. Concurrency limited. + * + * @param {(Buffer|String)} data Data to compress + * @param {Boolean} fin Specifies whether or not this is the last fragment + * @param {Function} callback Callback + * @public + */ + compress(data, fin, callback) { + zlibLimiter.add((done) => { + this._compress(data, fin, (err, result) => { + done(); + callback(err, result); + }); + }); + } + + /** + * Decompress data. + * + * @param {Buffer} data Compressed data + * @param {Boolean} fin Specifies whether or not this is the last fragment + * @param {Function} callback Callback + * @private + */ + _decompress(data, fin, callback) { + const endpoint = this._isServer ? 'client' : 'server'; + + if (!this._inflate) { + const key = `${endpoint}_max_window_bits`; + const windowBits = + typeof this.params[key] !== 'number' + ? zlib.Z_DEFAULT_WINDOWBITS + : this.params[key]; + + this._inflate = zlib.createInflateRaw({ + ...this._options.zlibInflateOptions, + windowBits + }); + this._inflate[kPerMessageDeflate] = this; + this._inflate[kTotalLength] = 0; + this._inflate[kBuffers] = []; + this._inflate.on('error', inflateOnError); + this._inflate.on('data', inflateOnData); + } + + this._inflate[kCallback] = callback; + + this._inflate.write(data); + if (fin) this._inflate.write(TRAILER); + + this._inflate.flush(() => { + const err = this._inflate[kError]; + + if (err) { + this._inflate.close(); + this._inflate = null; + callback(err); + return; + } + + const data = bufferUtil.concat( + this._inflate[kBuffers], + this._inflate[kTotalLength] + ); + + if (this._inflate._readableState.endEmitted) { + this._inflate.close(); + this._inflate = null; + } else { + this._inflate[kTotalLength] = 0; + this._inflate[kBuffers] = []; + + if (fin && this.params[`${endpoint}_no_context_takeover`]) { + this._inflate.reset(); + } + } + + callback(null, data); + }); + } + + /** + * Compress data. + * + * @param {(Buffer|String)} data Data to compress + * @param {Boolean} fin Specifies whether or not this is the last fragment + * @param {Function} callback Callback + * @private + */ + _compress(data, fin, callback) { + const endpoint = this._isServer ? 'server' : 'client'; + + if (!this._deflate) { + const key = `${endpoint}_max_window_bits`; + const windowBits = + typeof this.params[key] !== 'number' + ? zlib.Z_DEFAULT_WINDOWBITS + : this.params[key]; + + this._deflate = zlib.createDeflateRaw({ + ...this._options.zlibDeflateOptions, + windowBits + }); + + this._deflate[kTotalLength] = 0; + this._deflate[kBuffers] = []; + + this._deflate.on('data', deflateOnData); + } + + this._deflate[kCallback] = callback; + + this._deflate.write(data); + this._deflate.flush(zlib.Z_SYNC_FLUSH, () => { + if (!this._deflate) { + // + // The deflate stream was closed while data was being processed. + // + return; + } + + let data = bufferUtil.concat( + this._deflate[kBuffers], + this._deflate[kTotalLength] + ); + + if (fin) data = data.slice(0, data.length - 4); + + // + // Ensure that the callback will not be called again in + // `PerMessageDeflate#cleanup()`. + // + this._deflate[kCallback] = null; + + this._deflate[kTotalLength] = 0; + this._deflate[kBuffers] = []; + + if (fin && this.params[`${endpoint}_no_context_takeover`]) { + this._deflate.reset(); + } + + callback(null, data); + }); + } +} + +module.exports = PerMessageDeflate; + +/** + * The listener of the `zlib.DeflateRaw` stream `'data'` event. + * + * @param {Buffer} chunk A chunk of data + * @private + */ +function deflateOnData(chunk) { + this[kBuffers].push(chunk); + this[kTotalLength] += chunk.length; +} + +/** + * The listener of the `zlib.InflateRaw` stream `'data'` event. + * + * @param {Buffer} chunk A chunk of data + * @private + */ +function inflateOnData(chunk) { + this[kTotalLength] += chunk.length; + + if ( + this[kPerMessageDeflate]._maxPayload < 1 || + this[kTotalLength] <= this[kPerMessageDeflate]._maxPayload + ) { + this[kBuffers].push(chunk); + return; + } + + this[kError] = new RangeError('Max payload size exceeded'); + this[kError].code = 'WS_ERR_UNSUPPORTED_MESSAGE_LENGTH'; + this[kError][kStatusCode] = 1009; + this.removeListener('data', inflateOnData); + this.reset(); +} + +/** + * The listener of the `zlib.InflateRaw` stream `'error'` event. + * + * @param {Error} err The emitted error + * @private + */ +function inflateOnError(err) { + // + // There is no need to call `Zlib#close()` as the handle is automatically + // closed when an error is emitted. + // + this[kPerMessageDeflate]._inflate = null; + err[kStatusCode] = 1007; + this[kCallback](err); +} diff --git a/examples/axum-echo/node_modules/ws/lib/receiver.js b/examples/axum-echo/node_modules/ws/lib/receiver.js new file mode 100644 index 00000000..2d29d62b --- /dev/null +++ b/examples/axum-echo/node_modules/ws/lib/receiver.js @@ -0,0 +1,618 @@ +'use strict'; + +const { Writable } = require('stream'); + +const PerMessageDeflate = require('./permessage-deflate'); +const { + BINARY_TYPES, + EMPTY_BUFFER, + kStatusCode, + kWebSocket +} = require('./constants'); +const { concat, toArrayBuffer, unmask } = require('./buffer-util'); +const { isValidStatusCode, isValidUTF8 } = require('./validation'); + +const GET_INFO = 0; +const GET_PAYLOAD_LENGTH_16 = 1; +const GET_PAYLOAD_LENGTH_64 = 2; +const GET_MASK = 3; +const GET_DATA = 4; +const INFLATING = 5; + +/** + * HyBi Receiver implementation. + * + * @extends Writable + */ +class Receiver extends Writable { + /** + * Creates a Receiver instance. + * + * @param {Object} [options] Options object + * @param {String} [options.binaryType=nodebuffer] The type for binary data + * @param {Object} [options.extensions] An object containing the negotiated + * extensions + * @param {Boolean} [options.isServer=false] Specifies whether to operate in + * client or server mode + * @param {Number} [options.maxPayload=0] The maximum allowed message length + * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or + * not to skip UTF-8 validation for text and close messages + */ + constructor(options = {}) { + super(); + + this._binaryType = options.binaryType || BINARY_TYPES[0]; + this._extensions = options.extensions || {}; + this._isServer = !!options.isServer; + this._maxPayload = options.maxPayload | 0; + this._skipUTF8Validation = !!options.skipUTF8Validation; + this[kWebSocket] = undefined; + + this._bufferedBytes = 0; + this._buffers = []; + + this._compressed = false; + this._payloadLength = 0; + this._mask = undefined; + this._fragmented = 0; + this._masked = false; + this._fin = false; + this._opcode = 0; + + this._totalPayloadLength = 0; + this._messageLength = 0; + this._fragments = []; + + this._state = GET_INFO; + this._loop = false; + } + + /** + * Implements `Writable.prototype._write()`. + * + * @param {Buffer} chunk The chunk of data to write + * @param {String} encoding The character encoding of `chunk` + * @param {Function} cb Callback + * @private + */ + _write(chunk, encoding, cb) { + if (this._opcode === 0x08 && this._state == GET_INFO) return cb(); + + this._bufferedBytes += chunk.length; + this._buffers.push(chunk); + this.startLoop(cb); + } + + /** + * Consumes `n` bytes from the buffered data. + * + * @param {Number} n The number of bytes to consume + * @return {Buffer} The consumed bytes + * @private + */ + consume(n) { + this._bufferedBytes -= n; + + if (n === this._buffers[0].length) return this._buffers.shift(); + + if (n < this._buffers[0].length) { + const buf = this._buffers[0]; + this._buffers[0] = buf.slice(n); + return buf.slice(0, n); + } + + const dst = Buffer.allocUnsafe(n); + + do { + const buf = this._buffers[0]; + const offset = dst.length - n; + + if (n >= buf.length) { + dst.set(this._buffers.shift(), offset); + } else { + dst.set(new Uint8Array(buf.buffer, buf.byteOffset, n), offset); + this._buffers[0] = buf.slice(n); + } + + n -= buf.length; + } while (n > 0); + + return dst; + } + + /** + * Starts the parsing loop. + * + * @param {Function} cb Callback + * @private + */ + startLoop(cb) { + let err; + this._loop = true; + + do { + switch (this._state) { + case GET_INFO: + err = this.getInfo(); + break; + case GET_PAYLOAD_LENGTH_16: + err = this.getPayloadLength16(); + break; + case GET_PAYLOAD_LENGTH_64: + err = this.getPayloadLength64(); + break; + case GET_MASK: + this.getMask(); + break; + case GET_DATA: + err = this.getData(cb); + break; + default: + // `INFLATING` + this._loop = false; + return; + } + } while (this._loop); + + cb(err); + } + + /** + * Reads the first two bytes of a frame. + * + * @return {(RangeError|undefined)} A possible error + * @private + */ + getInfo() { + if (this._bufferedBytes < 2) { + this._loop = false; + return; + } + + const buf = this.consume(2); + + if ((buf[0] & 0x30) !== 0x00) { + this._loop = false; + return error( + RangeError, + 'RSV2 and RSV3 must be clear', + true, + 1002, + 'WS_ERR_UNEXPECTED_RSV_2_3' + ); + } + + const compressed = (buf[0] & 0x40) === 0x40; + + if (compressed && !this._extensions[PerMessageDeflate.extensionName]) { + this._loop = false; + return error( + RangeError, + 'RSV1 must be clear', + true, + 1002, + 'WS_ERR_UNEXPECTED_RSV_1' + ); + } + + this._fin = (buf[0] & 0x80) === 0x80; + this._opcode = buf[0] & 0x0f; + this._payloadLength = buf[1] & 0x7f; + + if (this._opcode === 0x00) { + if (compressed) { + this._loop = false; + return error( + RangeError, + 'RSV1 must be clear', + true, + 1002, + 'WS_ERR_UNEXPECTED_RSV_1' + ); + } + + if (!this._fragmented) { + this._loop = false; + return error( + RangeError, + 'invalid opcode 0', + true, + 1002, + 'WS_ERR_INVALID_OPCODE' + ); + } + + this._opcode = this._fragmented; + } else if (this._opcode === 0x01 || this._opcode === 0x02) { + if (this._fragmented) { + this._loop = false; + return error( + RangeError, + `invalid opcode ${this._opcode}`, + true, + 1002, + 'WS_ERR_INVALID_OPCODE' + ); + } + + this._compressed = compressed; + } else if (this._opcode > 0x07 && this._opcode < 0x0b) { + if (!this._fin) { + this._loop = false; + return error( + RangeError, + 'FIN must be set', + true, + 1002, + 'WS_ERR_EXPECTED_FIN' + ); + } + + if (compressed) { + this._loop = false; + return error( + RangeError, + 'RSV1 must be clear', + true, + 1002, + 'WS_ERR_UNEXPECTED_RSV_1' + ); + } + + if (this._payloadLength > 0x7d) { + this._loop = false; + return error( + RangeError, + `invalid payload length ${this._payloadLength}`, + true, + 1002, + 'WS_ERR_INVALID_CONTROL_PAYLOAD_LENGTH' + ); + } + } else { + this._loop = false; + return error( + RangeError, + `invalid opcode ${this._opcode}`, + true, + 1002, + 'WS_ERR_INVALID_OPCODE' + ); + } + + if (!this._fin && !this._fragmented) this._fragmented = this._opcode; + this._masked = (buf[1] & 0x80) === 0x80; + + if (this._isServer) { + if (!this._masked) { + this._loop = false; + return error( + RangeError, + 'MASK must be set', + true, + 1002, + 'WS_ERR_EXPECTED_MASK' + ); + } + } else if (this._masked) { + this._loop = false; + return error( + RangeError, + 'MASK must be clear', + true, + 1002, + 'WS_ERR_UNEXPECTED_MASK' + ); + } + + if (this._payloadLength === 126) this._state = GET_PAYLOAD_LENGTH_16; + else if (this._payloadLength === 127) this._state = GET_PAYLOAD_LENGTH_64; + else return this.haveLength(); + } + + /** + * Gets extended payload length (7+16). + * + * @return {(RangeError|undefined)} A possible error + * @private + */ + getPayloadLength16() { + if (this._bufferedBytes < 2) { + this._loop = false; + return; + } + + this._payloadLength = this.consume(2).readUInt16BE(0); + return this.haveLength(); + } + + /** + * Gets extended payload length (7+64). + * + * @return {(RangeError|undefined)} A possible error + * @private + */ + getPayloadLength64() { + if (this._bufferedBytes < 8) { + this._loop = false; + return; + } + + const buf = this.consume(8); + const num = buf.readUInt32BE(0); + + // + // The maximum safe integer in JavaScript is 2^53 - 1. An error is returned + // if payload length is greater than this number. + // + if (num > Math.pow(2, 53 - 32) - 1) { + this._loop = false; + return error( + RangeError, + 'Unsupported WebSocket frame: payload length > 2^53 - 1', + false, + 1009, + 'WS_ERR_UNSUPPORTED_DATA_PAYLOAD_LENGTH' + ); + } + + this._payloadLength = num * Math.pow(2, 32) + buf.readUInt32BE(4); + return this.haveLength(); + } + + /** + * Payload length has been read. + * + * @return {(RangeError|undefined)} A possible error + * @private + */ + haveLength() { + if (this._payloadLength && this._opcode < 0x08) { + this._totalPayloadLength += this._payloadLength; + if (this._totalPayloadLength > this._maxPayload && this._maxPayload > 0) { + this._loop = false; + return error( + RangeError, + 'Max payload size exceeded', + false, + 1009, + 'WS_ERR_UNSUPPORTED_MESSAGE_LENGTH' + ); + } + } + + if (this._masked) this._state = GET_MASK; + else this._state = GET_DATA; + } + + /** + * Reads mask bytes. + * + * @private + */ + getMask() { + if (this._bufferedBytes < 4) { + this._loop = false; + return; + } + + this._mask = this.consume(4); + this._state = GET_DATA; + } + + /** + * Reads data bytes. + * + * @param {Function} cb Callback + * @return {(Error|RangeError|undefined)} A possible error + * @private + */ + getData(cb) { + let data = EMPTY_BUFFER; + + if (this._payloadLength) { + if (this._bufferedBytes < this._payloadLength) { + this._loop = false; + return; + } + + data = this.consume(this._payloadLength); + + if ( + this._masked && + (this._mask[0] | this._mask[1] | this._mask[2] | this._mask[3]) !== 0 + ) { + unmask(data, this._mask); + } + } + + if (this._opcode > 0x07) return this.controlMessage(data); + + if (this._compressed) { + this._state = INFLATING; + this.decompress(data, cb); + return; + } + + if (data.length) { + // + // This message is not compressed so its length is the sum of the payload + // length of all fragments. + // + this._messageLength = this._totalPayloadLength; + this._fragments.push(data); + } + + return this.dataMessage(); + } + + /** + * Decompresses data. + * + * @param {Buffer} data Compressed data + * @param {Function} cb Callback + * @private + */ + decompress(data, cb) { + const perMessageDeflate = this._extensions[PerMessageDeflate.extensionName]; + + perMessageDeflate.decompress(data, this._fin, (err, buf) => { + if (err) return cb(err); + + if (buf.length) { + this._messageLength += buf.length; + if (this._messageLength > this._maxPayload && this._maxPayload > 0) { + return cb( + error( + RangeError, + 'Max payload size exceeded', + false, + 1009, + 'WS_ERR_UNSUPPORTED_MESSAGE_LENGTH' + ) + ); + } + + this._fragments.push(buf); + } + + const er = this.dataMessage(); + if (er) return cb(er); + + this.startLoop(cb); + }); + } + + /** + * Handles a data message. + * + * @return {(Error|undefined)} A possible error + * @private + */ + dataMessage() { + if (this._fin) { + const messageLength = this._messageLength; + const fragments = this._fragments; + + this._totalPayloadLength = 0; + this._messageLength = 0; + this._fragmented = 0; + this._fragments = []; + + if (this._opcode === 2) { + let data; + + if (this._binaryType === 'nodebuffer') { + data = concat(fragments, messageLength); + } else if (this._binaryType === 'arraybuffer') { + data = toArrayBuffer(concat(fragments, messageLength)); + } else { + data = fragments; + } + + this.emit('message', data, true); + } else { + const buf = concat(fragments, messageLength); + + if (!this._skipUTF8Validation && !isValidUTF8(buf)) { + this._loop = false; + return error( + Error, + 'invalid UTF-8 sequence', + true, + 1007, + 'WS_ERR_INVALID_UTF8' + ); + } + + this.emit('message', buf, false); + } + } + + this._state = GET_INFO; + } + + /** + * Handles a control message. + * + * @param {Buffer} data Data to handle + * @return {(Error|RangeError|undefined)} A possible error + * @private + */ + controlMessage(data) { + if (this._opcode === 0x08) { + this._loop = false; + + if (data.length === 0) { + this.emit('conclude', 1005, EMPTY_BUFFER); + this.end(); + } else if (data.length === 1) { + return error( + RangeError, + 'invalid payload length 1', + true, + 1002, + 'WS_ERR_INVALID_CONTROL_PAYLOAD_LENGTH' + ); + } else { + const code = data.readUInt16BE(0); + + if (!isValidStatusCode(code)) { + return error( + RangeError, + `invalid status code ${code}`, + true, + 1002, + 'WS_ERR_INVALID_CLOSE_CODE' + ); + } + + const buf = data.slice(2); + + if (!this._skipUTF8Validation && !isValidUTF8(buf)) { + return error( + Error, + 'invalid UTF-8 sequence', + true, + 1007, + 'WS_ERR_INVALID_UTF8' + ); + } + + this.emit('conclude', code, buf); + this.end(); + } + } else if (this._opcode === 0x09) { + this.emit('ping', data); + } else { + this.emit('pong', data); + } + + this._state = GET_INFO; + } +} + +module.exports = Receiver; + +/** + * Builds an error object. + * + * @param {function(new:Error|RangeError)} ErrorCtor The error constructor + * @param {String} message The error message + * @param {Boolean} prefix Specifies whether or not to add a default prefix to + * `message` + * @param {Number} statusCode The status code + * @param {String} errorCode The exposed error code + * @return {(Error|RangeError)} The error + * @private + */ +function error(ErrorCtor, message, prefix, statusCode, errorCode) { + const err = new ErrorCtor( + prefix ? `Invalid WebSocket frame: ${message}` : message + ); + + Error.captureStackTrace(err, error); + err.code = errorCode; + err[kStatusCode] = statusCode; + return err; +} diff --git a/examples/axum-echo/node_modules/ws/lib/sender.js b/examples/axum-echo/node_modules/ws/lib/sender.js new file mode 100644 index 00000000..c8488536 --- /dev/null +++ b/examples/axum-echo/node_modules/ws/lib/sender.js @@ -0,0 +1,478 @@ +/* eslint no-unused-vars: ["error", { "varsIgnorePattern": "^net|tls$" }] */ + +'use strict'; + +const net = require('net'); +const tls = require('tls'); +const { randomFillSync } = require('crypto'); + +const PerMessageDeflate = require('./permessage-deflate'); +const { EMPTY_BUFFER } = require('./constants'); +const { isValidStatusCode } = require('./validation'); +const { mask: applyMask, toBuffer } = require('./buffer-util'); + +const kByteLength = Symbol('kByteLength'); +const maskBuffer = Buffer.alloc(4); + +/** + * HyBi Sender implementation. + */ +class Sender { + /** + * Creates a Sender instance. + * + * @param {(net.Socket|tls.Socket)} socket The connection socket + * @param {Object} [extensions] An object containing the negotiated extensions + * @param {Function} [generateMask] The function used to generate the masking + * key + */ + constructor(socket, extensions, generateMask) { + this._extensions = extensions || {}; + + if (generateMask) { + this._generateMask = generateMask; + this._maskBuffer = Buffer.alloc(4); + } + + this._socket = socket; + + this._firstFragment = true; + this._compress = false; + + this._bufferedBytes = 0; + this._deflating = false; + this._queue = []; + } + + /** + * Frames a piece of data according to the HyBi WebSocket protocol. + * + * @param {(Buffer|String)} data The data to frame + * @param {Object} options Options object + * @param {Boolean} [options.fin=false] Specifies whether or not to set the + * FIN bit + * @param {Function} [options.generateMask] The function used to generate the + * masking key + * @param {Boolean} [options.mask=false] Specifies whether or not to mask + * `data` + * @param {Buffer} [options.maskBuffer] The buffer used to store the masking + * key + * @param {Number} options.opcode The opcode + * @param {Boolean} [options.readOnly=false] Specifies whether `data` can be + * modified + * @param {Boolean} [options.rsv1=false] Specifies whether or not to set the + * RSV1 bit + * @return {(Buffer|String)[]} The framed data + * @public + */ + static frame(data, options) { + let mask; + let merge = false; + let offset = 2; + let skipMasking = false; + + if (options.mask) { + mask = options.maskBuffer || maskBuffer; + + if (options.generateMask) { + options.generateMask(mask); + } else { + randomFillSync(mask, 0, 4); + } + + skipMasking = (mask[0] | mask[1] | mask[2] | mask[3]) === 0; + offset = 6; + } + + let dataLength; + + if (typeof data === 'string') { + if ( + (!options.mask || skipMasking) && + options[kByteLength] !== undefined + ) { + dataLength = options[kByteLength]; + } else { + data = Buffer.from(data); + dataLength = data.length; + } + } else { + dataLength = data.length; + merge = options.mask && options.readOnly && !skipMasking; + } + + let payloadLength = dataLength; + + if (dataLength >= 65536) { + offset += 8; + payloadLength = 127; + } else if (dataLength > 125) { + offset += 2; + payloadLength = 126; + } + + const target = Buffer.allocUnsafe(merge ? dataLength + offset : offset); + + target[0] = options.fin ? options.opcode | 0x80 : options.opcode; + if (options.rsv1) target[0] |= 0x40; + + target[1] = payloadLength; + + if (payloadLength === 126) { + target.writeUInt16BE(dataLength, 2); + } else if (payloadLength === 127) { + target[2] = target[3] = 0; + target.writeUIntBE(dataLength, 4, 6); + } + + if (!options.mask) return [target, data]; + + target[1] |= 0x80; + target[offset - 4] = mask[0]; + target[offset - 3] = mask[1]; + target[offset - 2] = mask[2]; + target[offset - 1] = mask[3]; + + if (skipMasking) return [target, data]; + + if (merge) { + applyMask(data, mask, target, offset, dataLength); + return [target]; + } + + applyMask(data, mask, data, 0, dataLength); + return [target, data]; + } + + /** + * Sends a close message to the other peer. + * + * @param {Number} [code] The status code component of the body + * @param {(String|Buffer)} [data] The message component of the body + * @param {Boolean} [mask=false] Specifies whether or not to mask the message + * @param {Function} [cb] Callback + * @public + */ + close(code, data, mask, cb) { + let buf; + + if (code === undefined) { + buf = EMPTY_BUFFER; + } else if (typeof code !== 'number' || !isValidStatusCode(code)) { + throw new TypeError('First argument must be a valid error code number'); + } else if (data === undefined || !data.length) { + buf = Buffer.allocUnsafe(2); + buf.writeUInt16BE(code, 0); + } else { + const length = Buffer.byteLength(data); + + if (length > 123) { + throw new RangeError('The message must not be greater than 123 bytes'); + } + + buf = Buffer.allocUnsafe(2 + length); + buf.writeUInt16BE(code, 0); + + if (typeof data === 'string') { + buf.write(data, 2); + } else { + buf.set(data, 2); + } + } + + const options = { + [kByteLength]: buf.length, + fin: true, + generateMask: this._generateMask, + mask, + maskBuffer: this._maskBuffer, + opcode: 0x08, + readOnly: false, + rsv1: false + }; + + if (this._deflating) { + this.enqueue([this.dispatch, buf, false, options, cb]); + } else { + this.sendFrame(Sender.frame(buf, options), cb); + } + } + + /** + * Sends a ping message to the other peer. + * + * @param {*} data The message to send + * @param {Boolean} [mask=false] Specifies whether or not to mask `data` + * @param {Function} [cb] Callback + * @public + */ + ping(data, mask, cb) { + let byteLength; + let readOnly; + + if (typeof data === 'string') { + byteLength = Buffer.byteLength(data); + readOnly = false; + } else { + data = toBuffer(data); + byteLength = data.length; + readOnly = toBuffer.readOnly; + } + + if (byteLength > 125) { + throw new RangeError('The data size must not be greater than 125 bytes'); + } + + const options = { + [kByteLength]: byteLength, + fin: true, + generateMask: this._generateMask, + mask, + maskBuffer: this._maskBuffer, + opcode: 0x09, + readOnly, + rsv1: false + }; + + if (this._deflating) { + this.enqueue([this.dispatch, data, false, options, cb]); + } else { + this.sendFrame(Sender.frame(data, options), cb); + } + } + + /** + * Sends a pong message to the other peer. + * + * @param {*} data The message to send + * @param {Boolean} [mask=false] Specifies whether or not to mask `data` + * @param {Function} [cb] Callback + * @public + */ + pong(data, mask, cb) { + let byteLength; + let readOnly; + + if (typeof data === 'string') { + byteLength = Buffer.byteLength(data); + readOnly = false; + } else { + data = toBuffer(data); + byteLength = data.length; + readOnly = toBuffer.readOnly; + } + + if (byteLength > 125) { + throw new RangeError('The data size must not be greater than 125 bytes'); + } + + const options = { + [kByteLength]: byteLength, + fin: true, + generateMask: this._generateMask, + mask, + maskBuffer: this._maskBuffer, + opcode: 0x0a, + readOnly, + rsv1: false + }; + + if (this._deflating) { + this.enqueue([this.dispatch, data, false, options, cb]); + } else { + this.sendFrame(Sender.frame(data, options), cb); + } + } + + /** + * Sends a data message to the other peer. + * + * @param {*} data The message to send + * @param {Object} options Options object + * @param {Boolean} [options.binary=false] Specifies whether `data` is binary + * or text + * @param {Boolean} [options.compress=false] Specifies whether or not to + * compress `data` + * @param {Boolean} [options.fin=false] Specifies whether the fragment is the + * last one + * @param {Boolean} [options.mask=false] Specifies whether or not to mask + * `data` + * @param {Function} [cb] Callback + * @public + */ + send(data, options, cb) { + const perMessageDeflate = this._extensions[PerMessageDeflate.extensionName]; + let opcode = options.binary ? 2 : 1; + let rsv1 = options.compress; + + let byteLength; + let readOnly; + + if (typeof data === 'string') { + byteLength = Buffer.byteLength(data); + readOnly = false; + } else { + data = toBuffer(data); + byteLength = data.length; + readOnly = toBuffer.readOnly; + } + + if (this._firstFragment) { + this._firstFragment = false; + if ( + rsv1 && + perMessageDeflate && + perMessageDeflate.params[ + perMessageDeflate._isServer + ? 'server_no_context_takeover' + : 'client_no_context_takeover' + ] + ) { + rsv1 = byteLength >= perMessageDeflate._threshold; + } + this._compress = rsv1; + } else { + rsv1 = false; + opcode = 0; + } + + if (options.fin) this._firstFragment = true; + + if (perMessageDeflate) { + const opts = { + [kByteLength]: byteLength, + fin: options.fin, + generateMask: this._generateMask, + mask: options.mask, + maskBuffer: this._maskBuffer, + opcode, + readOnly, + rsv1 + }; + + if (this._deflating) { + this.enqueue([this.dispatch, data, this._compress, opts, cb]); + } else { + this.dispatch(data, this._compress, opts, cb); + } + } else { + this.sendFrame( + Sender.frame(data, { + [kByteLength]: byteLength, + fin: options.fin, + generateMask: this._generateMask, + mask: options.mask, + maskBuffer: this._maskBuffer, + opcode, + readOnly, + rsv1: false + }), + cb + ); + } + } + + /** + * Dispatches a message. + * + * @param {(Buffer|String)} data The message to send + * @param {Boolean} [compress=false] Specifies whether or not to compress + * `data` + * @param {Object} options Options object + * @param {Boolean} [options.fin=false] Specifies whether or not to set the + * FIN bit + * @param {Function} [options.generateMask] The function used to generate the + * masking key + * @param {Boolean} [options.mask=false] Specifies whether or not to mask + * `data` + * @param {Buffer} [options.maskBuffer] The buffer used to store the masking + * key + * @param {Number} options.opcode The opcode + * @param {Boolean} [options.readOnly=false] Specifies whether `data` can be + * modified + * @param {Boolean} [options.rsv1=false] Specifies whether or not to set the + * RSV1 bit + * @param {Function} [cb] Callback + * @private + */ + dispatch(data, compress, options, cb) { + if (!compress) { + this.sendFrame(Sender.frame(data, options), cb); + return; + } + + const perMessageDeflate = this._extensions[PerMessageDeflate.extensionName]; + + this._bufferedBytes += options[kByteLength]; + this._deflating = true; + perMessageDeflate.compress(data, options.fin, (_, buf) => { + if (this._socket.destroyed) { + const err = new Error( + 'The socket was closed while data was being compressed' + ); + + if (typeof cb === 'function') cb(err); + + for (let i = 0; i < this._queue.length; i++) { + const params = this._queue[i]; + const callback = params[params.length - 1]; + + if (typeof callback === 'function') callback(err); + } + + return; + } + + this._bufferedBytes -= options[kByteLength]; + this._deflating = false; + options.readOnly = false; + this.sendFrame(Sender.frame(buf, options), cb); + this.dequeue(); + }); + } + + /** + * Executes queued send operations. + * + * @private + */ + dequeue() { + while (!this._deflating && this._queue.length) { + const params = this._queue.shift(); + + this._bufferedBytes -= params[3][kByteLength]; + Reflect.apply(params[0], this, params.slice(1)); + } + } + + /** + * Enqueues a send operation. + * + * @param {Array} params Send operation parameters. + * @private + */ + enqueue(params) { + this._bufferedBytes += params[3][kByteLength]; + this._queue.push(params); + } + + /** + * Sends a frame. + * + * @param {Buffer[]} list The frame to send + * @param {Function} [cb] Callback + * @private + */ + sendFrame(list, cb) { + if (list.length === 2) { + this._socket.cork(); + this._socket.write(list[0]); + this._socket.write(list[1], cb); + this._socket.uncork(); + } else { + this._socket.write(list[0], cb); + } + } +} + +module.exports = Sender; diff --git a/examples/axum-echo/node_modules/ws/lib/stream.js b/examples/axum-echo/node_modules/ws/lib/stream.js new file mode 100644 index 00000000..230734b7 --- /dev/null +++ b/examples/axum-echo/node_modules/ws/lib/stream.js @@ -0,0 +1,159 @@ +'use strict'; + +const { Duplex } = require('stream'); + +/** + * Emits the `'close'` event on a stream. + * + * @param {Duplex} stream The stream. + * @private + */ +function emitClose(stream) { + stream.emit('close'); +} + +/** + * The listener of the `'end'` event. + * + * @private + */ +function duplexOnEnd() { + if (!this.destroyed && this._writableState.finished) { + this.destroy(); + } +} + +/** + * The listener of the `'error'` event. + * + * @param {Error} err The error + * @private + */ +function duplexOnError(err) { + this.removeListener('error', duplexOnError); + this.destroy(); + if (this.listenerCount('error') === 0) { + // Do not suppress the throwing behavior. + this.emit('error', err); + } +} + +/** + * Wraps a `WebSocket` in a duplex stream. + * + * @param {WebSocket} ws The `WebSocket` to wrap + * @param {Object} [options] The options for the `Duplex` constructor + * @return {Duplex} The duplex stream + * @public + */ +function createWebSocketStream(ws, options) { + let terminateOnDestroy = true; + + const duplex = new Duplex({ + ...options, + autoDestroy: false, + emitClose: false, + objectMode: false, + writableObjectMode: false + }); + + ws.on('message', function message(msg, isBinary) { + const data = + !isBinary && duplex._readableState.objectMode ? msg.toString() : msg; + + if (!duplex.push(data)) ws.pause(); + }); + + ws.once('error', function error(err) { + if (duplex.destroyed) return; + + // Prevent `ws.terminate()` from being called by `duplex._destroy()`. + // + // - If the `'error'` event is emitted before the `'open'` event, then + // `ws.terminate()` is a noop as no socket is assigned. + // - Otherwise, the error is re-emitted by the listener of the `'error'` + // event of the `Receiver` object. The listener already closes the + // connection by calling `ws.close()`. This allows a close frame to be + // sent to the other peer. If `ws.terminate()` is called right after this, + // then the close frame might not be sent. + terminateOnDestroy = false; + duplex.destroy(err); + }); + + ws.once('close', function close() { + if (duplex.destroyed) return; + + duplex.push(null); + }); + + duplex._destroy = function (err, callback) { + if (ws.readyState === ws.CLOSED) { + callback(err); + process.nextTick(emitClose, duplex); + return; + } + + let called = false; + + ws.once('error', function error(err) { + called = true; + callback(err); + }); + + ws.once('close', function close() { + if (!called) callback(err); + process.nextTick(emitClose, duplex); + }); + + if (terminateOnDestroy) ws.terminate(); + }; + + duplex._final = function (callback) { + if (ws.readyState === ws.CONNECTING) { + ws.once('open', function open() { + duplex._final(callback); + }); + return; + } + + // If the value of the `_socket` property is `null` it means that `ws` is a + // client websocket and the handshake failed. In fact, when this happens, a + // socket is never assigned to the websocket. Wait for the `'error'` event + // that will be emitted by the websocket. + if (ws._socket === null) return; + + if (ws._socket._writableState.finished) { + callback(); + if (duplex._readableState.endEmitted) duplex.destroy(); + } else { + ws._socket.once('finish', function finish() { + // `duplex` is not destroyed here because the `'end'` event will be + // emitted on `duplex` after this `'finish'` event. The EOF signaling + // `null` chunk is, in fact, pushed when the websocket emits `'close'`. + callback(); + }); + ws.close(); + } + }; + + duplex._read = function () { + if (ws.isPaused) ws.resume(); + }; + + duplex._write = function (chunk, encoding, callback) { + if (ws.readyState === ws.CONNECTING) { + ws.once('open', function open() { + duplex._write(chunk, encoding, callback); + }); + return; + } + + ws.send(chunk, callback); + }; + + duplex.on('end', duplexOnEnd); + duplex.on('error', duplexOnError); + return duplex; +} + +module.exports = createWebSocketStream; diff --git a/examples/axum-echo/node_modules/ws/lib/subprotocol.js b/examples/axum-echo/node_modules/ws/lib/subprotocol.js new file mode 100644 index 00000000..d4381e88 --- /dev/null +++ b/examples/axum-echo/node_modules/ws/lib/subprotocol.js @@ -0,0 +1,62 @@ +'use strict'; + +const { tokenChars } = require('./validation'); + +/** + * Parses the `Sec-WebSocket-Protocol` header into a set of subprotocol names. + * + * @param {String} header The field value of the header + * @return {Set} The subprotocol names + * @public + */ +function parse(header) { + const protocols = new Set(); + let start = -1; + let end = -1; + let i = 0; + + for (i; i < header.length; i++) { + const code = header.charCodeAt(i); + + if (end === -1 && tokenChars[code] === 1) { + if (start === -1) start = i; + } else if ( + i !== 0 && + (code === 0x20 /* ' ' */ || code === 0x09) /* '\t' */ + ) { + if (end === -1 && start !== -1) end = i; + } else if (code === 0x2c /* ',' */) { + if (start === -1) { + throw new SyntaxError(`Unexpected character at index ${i}`); + } + + if (end === -1) end = i; + + const protocol = header.slice(start, end); + + if (protocols.has(protocol)) { + throw new SyntaxError(`The "${protocol}" subprotocol is duplicated`); + } + + protocols.add(protocol); + start = end = -1; + } else { + throw new SyntaxError(`Unexpected character at index ${i}`); + } + } + + if (start === -1 || end !== -1) { + throw new SyntaxError('Unexpected end of input'); + } + + const protocol = header.slice(start, i); + + if (protocols.has(protocol)) { + throw new SyntaxError(`The "${protocol}" subprotocol is duplicated`); + } + + protocols.add(protocol); + return protocols; +} + +module.exports = { parse }; diff --git a/examples/axum-echo/node_modules/ws/lib/validation.js b/examples/axum-echo/node_modules/ws/lib/validation.js new file mode 100644 index 00000000..44fc2029 --- /dev/null +++ b/examples/axum-echo/node_modules/ws/lib/validation.js @@ -0,0 +1,125 @@ +'use strict'; + +// +// Allowed token characters: +// +// '!', '#', '$', '%', '&', ''', '*', '+', '-', +// '.', 0-9, A-Z, '^', '_', '`', a-z, '|', '~' +// +// tokenChars[32] === 0 // ' ' +// tokenChars[33] === 1 // '!' +// tokenChars[34] === 0 // '"' +// ... +// +// prettier-ignore +const tokenChars = [ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0 - 15 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 16 - 31 + 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, // 32 - 47 + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, // 48 - 63 + 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 64 - 79 + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, // 80 - 95 + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 96 - 111 + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0 // 112 - 127 +]; + +/** + * Checks if a status code is allowed in a close frame. + * + * @param {Number} code The status code + * @return {Boolean} `true` if the status code is valid, else `false` + * @public + */ +function isValidStatusCode(code) { + return ( + (code >= 1000 && + code <= 1014 && + code !== 1004 && + code !== 1005 && + code !== 1006) || + (code >= 3000 && code <= 4999) + ); +} + +/** + * Checks if a given buffer contains only correct UTF-8. + * Ported from https://www.cl.cam.ac.uk/%7Emgk25/ucs/utf8_check.c by + * Markus Kuhn. + * + * @param {Buffer} buf The buffer to check + * @return {Boolean} `true` if `buf` contains only correct UTF-8, else `false` + * @public + */ +function _isValidUTF8(buf) { + const len = buf.length; + let i = 0; + + while (i < len) { + if ((buf[i] & 0x80) === 0) { + // 0xxxxxxx + i++; + } else if ((buf[i] & 0xe0) === 0xc0) { + // 110xxxxx 10xxxxxx + if ( + i + 1 === len || + (buf[i + 1] & 0xc0) !== 0x80 || + (buf[i] & 0xfe) === 0xc0 // Overlong + ) { + return false; + } + + i += 2; + } else if ((buf[i] & 0xf0) === 0xe0) { + // 1110xxxx 10xxxxxx 10xxxxxx + if ( + i + 2 >= len || + (buf[i + 1] & 0xc0) !== 0x80 || + (buf[i + 2] & 0xc0) !== 0x80 || + (buf[i] === 0xe0 && (buf[i + 1] & 0xe0) === 0x80) || // Overlong + (buf[i] === 0xed && (buf[i + 1] & 0xe0) === 0xa0) // Surrogate (U+D800 - U+DFFF) + ) { + return false; + } + + i += 3; + } else if ((buf[i] & 0xf8) === 0xf0) { + // 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx + if ( + i + 3 >= len || + (buf[i + 1] & 0xc0) !== 0x80 || + (buf[i + 2] & 0xc0) !== 0x80 || + (buf[i + 3] & 0xc0) !== 0x80 || + (buf[i] === 0xf0 && (buf[i + 1] & 0xf0) === 0x80) || // Overlong + (buf[i] === 0xf4 && buf[i + 1] > 0x8f) || + buf[i] > 0xf4 // > U+10FFFF + ) { + return false; + } + + i += 4; + } else { + return false; + } + } + + return true; +} + +module.exports = { + isValidStatusCode, + isValidUTF8: _isValidUTF8, + tokenChars +}; + +/* istanbul ignore else */ +if (!process.env.WS_NO_UTF_8_VALIDATE) { + try { + const isValidUTF8 = require('utf-8-validate'); + + module.exports.isValidUTF8 = function (buf) { + return buf.length < 150 ? _isValidUTF8(buf) : isValidUTF8(buf); + }; + } catch (e) { + // Continue regardless of the error. + } +} diff --git a/examples/axum-echo/node_modules/ws/lib/websocket-server.js b/examples/axum-echo/node_modules/ws/lib/websocket-server.js new file mode 100644 index 00000000..bac30eb3 --- /dev/null +++ b/examples/axum-echo/node_modules/ws/lib/websocket-server.js @@ -0,0 +1,535 @@ +/* eslint no-unused-vars: ["error", { "varsIgnorePattern": "^net|tls|https$" }] */ + +'use strict'; + +const EventEmitter = require('events'); +const http = require('http'); +const https = require('https'); +const net = require('net'); +const tls = require('tls'); +const { createHash } = require('crypto'); + +const extension = require('./extension'); +const PerMessageDeflate = require('./permessage-deflate'); +const subprotocol = require('./subprotocol'); +const WebSocket = require('./websocket'); +const { GUID, kWebSocket } = require('./constants'); + +const keyRegex = /^[+/0-9A-Za-z]{22}==$/; + +const RUNNING = 0; +const CLOSING = 1; +const CLOSED = 2; + +/** + * Class representing a WebSocket server. + * + * @extends EventEmitter + */ +class WebSocketServer extends EventEmitter { + /** + * Create a `WebSocketServer` instance. + * + * @param {Object} options Configuration options + * @param {Number} [options.backlog=511] The maximum length of the queue of + * pending connections + * @param {Boolean} [options.clientTracking=true] Specifies whether or not to + * track clients + * @param {Function} [options.handleProtocols] A hook to handle protocols + * @param {String} [options.host] The hostname where to bind the server + * @param {Number} [options.maxPayload=104857600] The maximum allowed message + * size + * @param {Boolean} [options.noServer=false] Enable no server mode + * @param {String} [options.path] Accept only connections matching this path + * @param {(Boolean|Object)} [options.perMessageDeflate=false] Enable/disable + * permessage-deflate + * @param {Number} [options.port] The port where to bind the server + * @param {(http.Server|https.Server)} [options.server] A pre-created HTTP/S + * server to use + * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or + * not to skip UTF-8 validation for text and close messages + * @param {Function} [options.verifyClient] A hook to reject connections + * @param {Function} [options.WebSocket=WebSocket] Specifies the `WebSocket` + * class to use. It must be the `WebSocket` class or class that extends it + * @param {Function} [callback] A listener for the `listening` event + */ + constructor(options, callback) { + super(); + + options = { + maxPayload: 100 * 1024 * 1024, + skipUTF8Validation: false, + perMessageDeflate: false, + handleProtocols: null, + clientTracking: true, + verifyClient: null, + noServer: false, + backlog: null, // use default (511 as implemented in net.js) + server: null, + host: null, + path: null, + port: null, + WebSocket, + ...options + }; + + if ( + (options.port == null && !options.server && !options.noServer) || + (options.port != null && (options.server || options.noServer)) || + (options.server && options.noServer) + ) { + throw new TypeError( + 'One and only one of the "port", "server", or "noServer" options ' + + 'must be specified' + ); + } + + if (options.port != null) { + this._server = http.createServer((req, res) => { + const body = http.STATUS_CODES[426]; + + res.writeHead(426, { + 'Content-Length': body.length, + 'Content-Type': 'text/plain' + }); + res.end(body); + }); + this._server.listen( + options.port, + options.host, + options.backlog, + callback + ); + } else if (options.server) { + this._server = options.server; + } + + if (this._server) { + const emitConnection = this.emit.bind(this, 'connection'); + + this._removeListeners = addListeners(this._server, { + listening: this.emit.bind(this, 'listening'), + error: this.emit.bind(this, 'error'), + upgrade: (req, socket, head) => { + this.handleUpgrade(req, socket, head, emitConnection); + } + }); + } + + if (options.perMessageDeflate === true) options.perMessageDeflate = {}; + if (options.clientTracking) { + this.clients = new Set(); + this._shouldEmitClose = false; + } + + this.options = options; + this._state = RUNNING; + } + + /** + * Returns the bound address, the address family name, and port of the server + * as reported by the operating system if listening on an IP socket. + * If the server is listening on a pipe or UNIX domain socket, the name is + * returned as a string. + * + * @return {(Object|String|null)} The address of the server + * @public + */ + address() { + if (this.options.noServer) { + throw new Error('The server is operating in "noServer" mode'); + } + + if (!this._server) return null; + return this._server.address(); + } + + /** + * Stop the server from accepting new connections and emit the `'close'` event + * when all existing connections are closed. + * + * @param {Function} [cb] A one-time listener for the `'close'` event + * @public + */ + close(cb) { + if (this._state === CLOSED) { + if (cb) { + this.once('close', () => { + cb(new Error('The server is not running')); + }); + } + + process.nextTick(emitClose, this); + return; + } + + if (cb) this.once('close', cb); + + if (this._state === CLOSING) return; + this._state = CLOSING; + + if (this.options.noServer || this.options.server) { + if (this._server) { + this._removeListeners(); + this._removeListeners = this._server = null; + } + + if (this.clients) { + if (!this.clients.size) { + process.nextTick(emitClose, this); + } else { + this._shouldEmitClose = true; + } + } else { + process.nextTick(emitClose, this); + } + } else { + const server = this._server; + + this._removeListeners(); + this._removeListeners = this._server = null; + + // + // The HTTP/S server was created internally. Close it, and rely on its + // `'close'` event. + // + server.close(() => { + emitClose(this); + }); + } + } + + /** + * See if a given request should be handled by this server instance. + * + * @param {http.IncomingMessage} req Request object to inspect + * @return {Boolean} `true` if the request is valid, else `false` + * @public + */ + shouldHandle(req) { + if (this.options.path) { + const index = req.url.indexOf('?'); + const pathname = index !== -1 ? req.url.slice(0, index) : req.url; + + if (pathname !== this.options.path) return false; + } + + return true; + } + + /** + * Handle a HTTP Upgrade request. + * + * @param {http.IncomingMessage} req The request object + * @param {(net.Socket|tls.Socket)} socket The network socket between the + * server and client + * @param {Buffer} head The first packet of the upgraded stream + * @param {Function} cb Callback + * @public + */ + handleUpgrade(req, socket, head, cb) { + socket.on('error', socketOnError); + + const key = req.headers['sec-websocket-key']; + const version = +req.headers['sec-websocket-version']; + + if (req.method !== 'GET') { + const message = 'Invalid HTTP method'; + abortHandshakeOrEmitwsClientError(this, req, socket, 405, message); + return; + } + + if (req.headers.upgrade.toLowerCase() !== 'websocket') { + const message = 'Invalid Upgrade header'; + abortHandshakeOrEmitwsClientError(this, req, socket, 400, message); + return; + } + + if (!key || !keyRegex.test(key)) { + const message = 'Missing or invalid Sec-WebSocket-Key header'; + abortHandshakeOrEmitwsClientError(this, req, socket, 400, message); + return; + } + + if (version !== 8 && version !== 13) { + const message = 'Missing or invalid Sec-WebSocket-Version header'; + abortHandshakeOrEmitwsClientError(this, req, socket, 400, message); + return; + } + + if (!this.shouldHandle(req)) { + abortHandshake(socket, 400); + return; + } + + const secWebSocketProtocol = req.headers['sec-websocket-protocol']; + let protocols = new Set(); + + if (secWebSocketProtocol !== undefined) { + try { + protocols = subprotocol.parse(secWebSocketProtocol); + } catch (err) { + const message = 'Invalid Sec-WebSocket-Protocol header'; + abortHandshakeOrEmitwsClientError(this, req, socket, 400, message); + return; + } + } + + const secWebSocketExtensions = req.headers['sec-websocket-extensions']; + const extensions = {}; + + if ( + this.options.perMessageDeflate && + secWebSocketExtensions !== undefined + ) { + const perMessageDeflate = new PerMessageDeflate( + this.options.perMessageDeflate, + true, + this.options.maxPayload + ); + + try { + const offers = extension.parse(secWebSocketExtensions); + + if (offers[PerMessageDeflate.extensionName]) { + perMessageDeflate.accept(offers[PerMessageDeflate.extensionName]); + extensions[PerMessageDeflate.extensionName] = perMessageDeflate; + } + } catch (err) { + const message = + 'Invalid or unacceptable Sec-WebSocket-Extensions header'; + abortHandshakeOrEmitwsClientError(this, req, socket, 400, message); + return; + } + } + + // + // Optionally call external client verification handler. + // + if (this.options.verifyClient) { + const info = { + origin: + req.headers[`${version === 8 ? 'sec-websocket-origin' : 'origin'}`], + secure: !!(req.socket.authorized || req.socket.encrypted), + req + }; + + if (this.options.verifyClient.length === 2) { + this.options.verifyClient(info, (verified, code, message, headers) => { + if (!verified) { + return abortHandshake(socket, code || 401, message, headers); + } + + this.completeUpgrade( + extensions, + key, + protocols, + req, + socket, + head, + cb + ); + }); + return; + } + + if (!this.options.verifyClient(info)) return abortHandshake(socket, 401); + } + + this.completeUpgrade(extensions, key, protocols, req, socket, head, cb); + } + + /** + * Upgrade the connection to WebSocket. + * + * @param {Object} extensions The accepted extensions + * @param {String} key The value of the `Sec-WebSocket-Key` header + * @param {Set} protocols The subprotocols + * @param {http.IncomingMessage} req The request object + * @param {(net.Socket|tls.Socket)} socket The network socket between the + * server and client + * @param {Buffer} head The first packet of the upgraded stream + * @param {Function} cb Callback + * @throws {Error} If called more than once with the same socket + * @private + */ + completeUpgrade(extensions, key, protocols, req, socket, head, cb) { + // + // Destroy the socket if the client has already sent a FIN packet. + // + if (!socket.readable || !socket.writable) return socket.destroy(); + + if (socket[kWebSocket]) { + throw new Error( + 'server.handleUpgrade() was called more than once with the same ' + + 'socket, possibly due to a misconfiguration' + ); + } + + if (this._state > RUNNING) return abortHandshake(socket, 503); + + const digest = createHash('sha1') + .update(key + GUID) + .digest('base64'); + + const headers = [ + 'HTTP/1.1 101 Switching Protocols', + 'Upgrade: websocket', + 'Connection: Upgrade', + `Sec-WebSocket-Accept: ${digest}` + ]; + + const ws = new this.options.WebSocket(null); + + if (protocols.size) { + // + // Optionally call external protocol selection handler. + // + const protocol = this.options.handleProtocols + ? this.options.handleProtocols(protocols, req) + : protocols.values().next().value; + + if (protocol) { + headers.push(`Sec-WebSocket-Protocol: ${protocol}`); + ws._protocol = protocol; + } + } + + if (extensions[PerMessageDeflate.extensionName]) { + const params = extensions[PerMessageDeflate.extensionName].params; + const value = extension.format({ + [PerMessageDeflate.extensionName]: [params] + }); + headers.push(`Sec-WebSocket-Extensions: ${value}`); + ws._extensions = extensions; + } + + // + // Allow external modification/inspection of handshake headers. + // + this.emit('headers', headers, req); + + socket.write(headers.concat('\r\n').join('\r\n')); + socket.removeListener('error', socketOnError); + + ws.setSocket(socket, head, { + maxPayload: this.options.maxPayload, + skipUTF8Validation: this.options.skipUTF8Validation + }); + + if (this.clients) { + this.clients.add(ws); + ws.on('close', () => { + this.clients.delete(ws); + + if (this._shouldEmitClose && !this.clients.size) { + process.nextTick(emitClose, this); + } + }); + } + + cb(ws, req); + } +} + +module.exports = WebSocketServer; + +/** + * Add event listeners on an `EventEmitter` using a map of + * pairs. + * + * @param {EventEmitter} server The event emitter + * @param {Object.} map The listeners to add + * @return {Function} A function that will remove the added listeners when + * called + * @private + */ +function addListeners(server, map) { + for (const event of Object.keys(map)) server.on(event, map[event]); + + return function removeListeners() { + for (const event of Object.keys(map)) { + server.removeListener(event, map[event]); + } + }; +} + +/** + * Emit a `'close'` event on an `EventEmitter`. + * + * @param {EventEmitter} server The event emitter + * @private + */ +function emitClose(server) { + server._state = CLOSED; + server.emit('close'); +} + +/** + * Handle socket errors. + * + * @private + */ +function socketOnError() { + this.destroy(); +} + +/** + * Close the connection when preconditions are not fulfilled. + * + * @param {(net.Socket|tls.Socket)} socket The socket of the upgrade request + * @param {Number} code The HTTP response status code + * @param {String} [message] The HTTP response body + * @param {Object} [headers] Additional HTTP response headers + * @private + */ +function abortHandshake(socket, code, message, headers) { + // + // The socket is writable unless the user destroyed or ended it before calling + // `server.handleUpgrade()` or in the `verifyClient` function, which is a user + // error. Handling this does not make much sense as the worst that can happen + // is that some of the data written by the user might be discarded due to the + // call to `socket.end()` below, which triggers an `'error'` event that in + // turn causes the socket to be destroyed. + // + message = message || http.STATUS_CODES[code]; + headers = { + Connection: 'close', + 'Content-Type': 'text/html', + 'Content-Length': Buffer.byteLength(message), + ...headers + }; + + socket.once('finish', socket.destroy); + + socket.end( + `HTTP/1.1 ${code} ${http.STATUS_CODES[code]}\r\n` + + Object.keys(headers) + .map((h) => `${h}: ${headers[h]}`) + .join('\r\n') + + '\r\n\r\n' + + message + ); +} + +/** + * Emit a `'wsClientError'` event on a `WebSocketServer` if there is at least + * one listener for it, otherwise call `abortHandshake()`. + * + * @param {WebSocketServer} server The WebSocket server + * @param {http.IncomingMessage} req The request object + * @param {(net.Socket|tls.Socket)} socket The socket of the upgrade request + * @param {Number} code The HTTP response status code + * @param {String} message The HTTP response body + * @private + */ +function abortHandshakeOrEmitwsClientError(server, req, socket, code, message) { + if (server.listenerCount('wsClientError')) { + const err = new Error(message); + Error.captureStackTrace(err, abortHandshakeOrEmitwsClientError); + + server.emit('wsClientError', err, socket, req); + } else { + abortHandshake(socket, code, message); + } +} diff --git a/examples/axum-echo/node_modules/ws/lib/websocket.js b/examples/axum-echo/node_modules/ws/lib/websocket.js new file mode 100644 index 00000000..4391c73a --- /dev/null +++ b/examples/axum-echo/node_modules/ws/lib/websocket.js @@ -0,0 +1,1305 @@ +/* eslint no-unused-vars: ["error", { "varsIgnorePattern": "^Readable$" }] */ + +'use strict'; + +const EventEmitter = require('events'); +const https = require('https'); +const http = require('http'); +const net = require('net'); +const tls = require('tls'); +const { randomBytes, createHash } = require('crypto'); +const { Readable } = require('stream'); +const { URL } = require('url'); + +const PerMessageDeflate = require('./permessage-deflate'); +const Receiver = require('./receiver'); +const Sender = require('./sender'); +const { + BINARY_TYPES, + EMPTY_BUFFER, + GUID, + kForOnEventAttribute, + kListener, + kStatusCode, + kWebSocket, + NOOP +} = require('./constants'); +const { + EventTarget: { addEventListener, removeEventListener } +} = require('./event-target'); +const { format, parse } = require('./extension'); +const { toBuffer } = require('./buffer-util'); + +const closeTimeout = 30 * 1000; +const kAborted = Symbol('kAborted'); +const protocolVersions = [8, 13]; +const readyStates = ['CONNECTING', 'OPEN', 'CLOSING', 'CLOSED']; +const subprotocolRegex = /^[!#$%&'*+\-.0-9A-Z^_`|a-z~]+$/; + +/** + * Class representing a WebSocket. + * + * @extends EventEmitter + */ +class WebSocket extends EventEmitter { + /** + * Create a new `WebSocket`. + * + * @param {(String|URL)} address The URL to which to connect + * @param {(String|String[])} [protocols] The subprotocols + * @param {Object} [options] Connection options + */ + constructor(address, protocols, options) { + super(); + + this._binaryType = BINARY_TYPES[0]; + this._closeCode = 1006; + this._closeFrameReceived = false; + this._closeFrameSent = false; + this._closeMessage = EMPTY_BUFFER; + this._closeTimer = null; + this._extensions = {}; + this._paused = false; + this._protocol = ''; + this._readyState = WebSocket.CONNECTING; + this._receiver = null; + this._sender = null; + this._socket = null; + + if (address !== null) { + this._bufferedAmount = 0; + this._isServer = false; + this._redirects = 0; + + if (protocols === undefined) { + protocols = []; + } else if (!Array.isArray(protocols)) { + if (typeof protocols === 'object' && protocols !== null) { + options = protocols; + protocols = []; + } else { + protocols = [protocols]; + } + } + + initAsClient(this, address, protocols, options); + } else { + this._isServer = true; + } + } + + /** + * This deviates from the WHATWG interface since ws doesn't support the + * required default "blob" type (instead we define a custom "nodebuffer" + * type). + * + * @type {String} + */ + get binaryType() { + return this._binaryType; + } + + set binaryType(type) { + if (!BINARY_TYPES.includes(type)) return; + + this._binaryType = type; + + // + // Allow to change `binaryType` on the fly. + // + if (this._receiver) this._receiver._binaryType = type; + } + + /** + * @type {Number} + */ + get bufferedAmount() { + if (!this._socket) return this._bufferedAmount; + + return this._socket._writableState.length + this._sender._bufferedBytes; + } + + /** + * @type {String} + */ + get extensions() { + return Object.keys(this._extensions).join(); + } + + /** + * @type {Boolean} + */ + get isPaused() { + return this._paused; + } + + /** + * @type {Function} + */ + /* istanbul ignore next */ + get onclose() { + return null; + } + + /** + * @type {Function} + */ + /* istanbul ignore next */ + get onerror() { + return null; + } + + /** + * @type {Function} + */ + /* istanbul ignore next */ + get onopen() { + return null; + } + + /** + * @type {Function} + */ + /* istanbul ignore next */ + get onmessage() { + return null; + } + + /** + * @type {String} + */ + get protocol() { + return this._protocol; + } + + /** + * @type {Number} + */ + get readyState() { + return this._readyState; + } + + /** + * @type {String} + */ + get url() { + return this._url; + } + + /** + * Set up the socket and the internal resources. + * + * @param {(net.Socket|tls.Socket)} socket The network socket between the + * server and client + * @param {Buffer} head The first packet of the upgraded stream + * @param {Object} options Options object + * @param {Function} [options.generateMask] The function used to generate the + * masking key + * @param {Number} [options.maxPayload=0] The maximum allowed message size + * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or + * not to skip UTF-8 validation for text and close messages + * @private + */ + setSocket(socket, head, options) { + const receiver = new Receiver({ + binaryType: this.binaryType, + extensions: this._extensions, + isServer: this._isServer, + maxPayload: options.maxPayload, + skipUTF8Validation: options.skipUTF8Validation + }); + + this._sender = new Sender(socket, this._extensions, options.generateMask); + this._receiver = receiver; + this._socket = socket; + + receiver[kWebSocket] = this; + socket[kWebSocket] = this; + + receiver.on('conclude', receiverOnConclude); + receiver.on('drain', receiverOnDrain); + receiver.on('error', receiverOnError); + receiver.on('message', receiverOnMessage); + receiver.on('ping', receiverOnPing); + receiver.on('pong', receiverOnPong); + + socket.setTimeout(0); + socket.setNoDelay(); + + if (head.length > 0) socket.unshift(head); + + socket.on('close', socketOnClose); + socket.on('data', socketOnData); + socket.on('end', socketOnEnd); + socket.on('error', socketOnError); + + this._readyState = WebSocket.OPEN; + this.emit('open'); + } + + /** + * Emit the `'close'` event. + * + * @private + */ + emitClose() { + if (!this._socket) { + this._readyState = WebSocket.CLOSED; + this.emit('close', this._closeCode, this._closeMessage); + return; + } + + if (this._extensions[PerMessageDeflate.extensionName]) { + this._extensions[PerMessageDeflate.extensionName].cleanup(); + } + + this._receiver.removeAllListeners(); + this._readyState = WebSocket.CLOSED; + this.emit('close', this._closeCode, this._closeMessage); + } + + /** + * Start a closing handshake. + * + * +----------+ +-----------+ +----------+ + * - - -|ws.close()|-->|close frame|-->|ws.close()|- - - + * | +----------+ +-----------+ +----------+ | + * +----------+ +-----------+ | + * CLOSING |ws.close()|<--|close frame|<--+-----+ CLOSING + * +----------+ +-----------+ | + * | | | +---+ | + * +------------------------+-->|fin| - - - - + * | +---+ | +---+ + * - - - - -|fin|<---------------------+ + * +---+ + * + * @param {Number} [code] Status code explaining why the connection is closing + * @param {(String|Buffer)} [data] The reason why the connection is + * closing + * @public + */ + close(code, data) { + if (this.readyState === WebSocket.CLOSED) return; + if (this.readyState === WebSocket.CONNECTING) { + const msg = 'WebSocket was closed before the connection was established'; + return abortHandshake(this, this._req, msg); + } + + if (this.readyState === WebSocket.CLOSING) { + if ( + this._closeFrameSent && + (this._closeFrameReceived || this._receiver._writableState.errorEmitted) + ) { + this._socket.end(); + } + + return; + } + + this._readyState = WebSocket.CLOSING; + this._sender.close(code, data, !this._isServer, (err) => { + // + // This error is handled by the `'error'` listener on the socket. We only + // want to know if the close frame has been sent here. + // + if (err) return; + + this._closeFrameSent = true; + + if ( + this._closeFrameReceived || + this._receiver._writableState.errorEmitted + ) { + this._socket.end(); + } + }); + + // + // Specify a timeout for the closing handshake to complete. + // + this._closeTimer = setTimeout( + this._socket.destroy.bind(this._socket), + closeTimeout + ); + } + + /** + * Pause the socket. + * + * @public + */ + pause() { + if ( + this.readyState === WebSocket.CONNECTING || + this.readyState === WebSocket.CLOSED + ) { + return; + } + + this._paused = true; + this._socket.pause(); + } + + /** + * Send a ping. + * + * @param {*} [data] The data to send + * @param {Boolean} [mask] Indicates whether or not to mask `data` + * @param {Function} [cb] Callback which is executed when the ping is sent + * @public + */ + ping(data, mask, cb) { + if (this.readyState === WebSocket.CONNECTING) { + throw new Error('WebSocket is not open: readyState 0 (CONNECTING)'); + } + + if (typeof data === 'function') { + cb = data; + data = mask = undefined; + } else if (typeof mask === 'function') { + cb = mask; + mask = undefined; + } + + if (typeof data === 'number') data = data.toString(); + + if (this.readyState !== WebSocket.OPEN) { + sendAfterClose(this, data, cb); + return; + } + + if (mask === undefined) mask = !this._isServer; + this._sender.ping(data || EMPTY_BUFFER, mask, cb); + } + + /** + * Send a pong. + * + * @param {*} [data] The data to send + * @param {Boolean} [mask] Indicates whether or not to mask `data` + * @param {Function} [cb] Callback which is executed when the pong is sent + * @public + */ + pong(data, mask, cb) { + if (this.readyState === WebSocket.CONNECTING) { + throw new Error('WebSocket is not open: readyState 0 (CONNECTING)'); + } + + if (typeof data === 'function') { + cb = data; + data = mask = undefined; + } else if (typeof mask === 'function') { + cb = mask; + mask = undefined; + } + + if (typeof data === 'number') data = data.toString(); + + if (this.readyState !== WebSocket.OPEN) { + sendAfterClose(this, data, cb); + return; + } + + if (mask === undefined) mask = !this._isServer; + this._sender.pong(data || EMPTY_BUFFER, mask, cb); + } + + /** + * Resume the socket. + * + * @public + */ + resume() { + if ( + this.readyState === WebSocket.CONNECTING || + this.readyState === WebSocket.CLOSED + ) { + return; + } + + this._paused = false; + if (!this._receiver._writableState.needDrain) this._socket.resume(); + } + + /** + * Send a data message. + * + * @param {*} data The message to send + * @param {Object} [options] Options object + * @param {Boolean} [options.binary] Specifies whether `data` is binary or + * text + * @param {Boolean} [options.compress] Specifies whether or not to compress + * `data` + * @param {Boolean} [options.fin=true] Specifies whether the fragment is the + * last one + * @param {Boolean} [options.mask] Specifies whether or not to mask `data` + * @param {Function} [cb] Callback which is executed when data is written out + * @public + */ + send(data, options, cb) { + if (this.readyState === WebSocket.CONNECTING) { + throw new Error('WebSocket is not open: readyState 0 (CONNECTING)'); + } + + if (typeof options === 'function') { + cb = options; + options = {}; + } + + if (typeof data === 'number') data = data.toString(); + + if (this.readyState !== WebSocket.OPEN) { + sendAfterClose(this, data, cb); + return; + } + + const opts = { + binary: typeof data !== 'string', + mask: !this._isServer, + compress: true, + fin: true, + ...options + }; + + if (!this._extensions[PerMessageDeflate.extensionName]) { + opts.compress = false; + } + + this._sender.send(data || EMPTY_BUFFER, opts, cb); + } + + /** + * Forcibly close the connection. + * + * @public + */ + terminate() { + if (this.readyState === WebSocket.CLOSED) return; + if (this.readyState === WebSocket.CONNECTING) { + const msg = 'WebSocket was closed before the connection was established'; + return abortHandshake(this, this._req, msg); + } + + if (this._socket) { + this._readyState = WebSocket.CLOSING; + this._socket.destroy(); + } + } +} + +/** + * @constant {Number} CONNECTING + * @memberof WebSocket + */ +Object.defineProperty(WebSocket, 'CONNECTING', { + enumerable: true, + value: readyStates.indexOf('CONNECTING') +}); + +/** + * @constant {Number} CONNECTING + * @memberof WebSocket.prototype + */ +Object.defineProperty(WebSocket.prototype, 'CONNECTING', { + enumerable: true, + value: readyStates.indexOf('CONNECTING') +}); + +/** + * @constant {Number} OPEN + * @memberof WebSocket + */ +Object.defineProperty(WebSocket, 'OPEN', { + enumerable: true, + value: readyStates.indexOf('OPEN') +}); + +/** + * @constant {Number} OPEN + * @memberof WebSocket.prototype + */ +Object.defineProperty(WebSocket.prototype, 'OPEN', { + enumerable: true, + value: readyStates.indexOf('OPEN') +}); + +/** + * @constant {Number} CLOSING + * @memberof WebSocket + */ +Object.defineProperty(WebSocket, 'CLOSING', { + enumerable: true, + value: readyStates.indexOf('CLOSING') +}); + +/** + * @constant {Number} CLOSING + * @memberof WebSocket.prototype + */ +Object.defineProperty(WebSocket.prototype, 'CLOSING', { + enumerable: true, + value: readyStates.indexOf('CLOSING') +}); + +/** + * @constant {Number} CLOSED + * @memberof WebSocket + */ +Object.defineProperty(WebSocket, 'CLOSED', { + enumerable: true, + value: readyStates.indexOf('CLOSED') +}); + +/** + * @constant {Number} CLOSED + * @memberof WebSocket.prototype + */ +Object.defineProperty(WebSocket.prototype, 'CLOSED', { + enumerable: true, + value: readyStates.indexOf('CLOSED') +}); + +[ + 'binaryType', + 'bufferedAmount', + 'extensions', + 'isPaused', + 'protocol', + 'readyState', + 'url' +].forEach((property) => { + Object.defineProperty(WebSocket.prototype, property, { enumerable: true }); +}); + +// +// Add the `onopen`, `onerror`, `onclose`, and `onmessage` attributes. +// See https://html.spec.whatwg.org/multipage/comms.html#the-websocket-interface +// +['open', 'error', 'close', 'message'].forEach((method) => { + Object.defineProperty(WebSocket.prototype, `on${method}`, { + enumerable: true, + get() { + for (const listener of this.listeners(method)) { + if (listener[kForOnEventAttribute]) return listener[kListener]; + } + + return null; + }, + set(handler) { + for (const listener of this.listeners(method)) { + if (listener[kForOnEventAttribute]) { + this.removeListener(method, listener); + break; + } + } + + if (typeof handler !== 'function') return; + + this.addEventListener(method, handler, { + [kForOnEventAttribute]: true + }); + } + }); +}); + +WebSocket.prototype.addEventListener = addEventListener; +WebSocket.prototype.removeEventListener = removeEventListener; + +module.exports = WebSocket; + +/** + * Initialize a WebSocket client. + * + * @param {WebSocket} websocket The client to initialize + * @param {(String|URL)} address The URL to which to connect + * @param {Array} protocols The subprotocols + * @param {Object} [options] Connection options + * @param {Boolean} [options.followRedirects=false] Whether or not to follow + * redirects + * @param {Function} [options.generateMask] The function used to generate the + * masking key + * @param {Number} [options.handshakeTimeout] Timeout in milliseconds for the + * handshake request + * @param {Number} [options.maxPayload=104857600] The maximum allowed message + * size + * @param {Number} [options.maxRedirects=10] The maximum number of redirects + * allowed + * @param {String} [options.origin] Value of the `Origin` or + * `Sec-WebSocket-Origin` header + * @param {(Boolean|Object)} [options.perMessageDeflate=true] Enable/disable + * permessage-deflate + * @param {Number} [options.protocolVersion=13] Value of the + * `Sec-WebSocket-Version` header + * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or + * not to skip UTF-8 validation for text and close messages + * @private + */ +function initAsClient(websocket, address, protocols, options) { + const opts = { + protocolVersion: protocolVersions[1], + maxPayload: 100 * 1024 * 1024, + skipUTF8Validation: false, + perMessageDeflate: true, + followRedirects: false, + maxRedirects: 10, + ...options, + createConnection: undefined, + socketPath: undefined, + hostname: undefined, + protocol: undefined, + timeout: undefined, + method: 'GET', + host: undefined, + path: undefined, + port: undefined + }; + + if (!protocolVersions.includes(opts.protocolVersion)) { + throw new RangeError( + `Unsupported protocol version: ${opts.protocolVersion} ` + + `(supported versions: ${protocolVersions.join(', ')})` + ); + } + + let parsedUrl; + + if (address instanceof URL) { + parsedUrl = address; + websocket._url = address.href; + } else { + try { + parsedUrl = new URL(address); + } catch (e) { + throw new SyntaxError(`Invalid URL: ${address}`); + } + + websocket._url = address; + } + + const isSecure = parsedUrl.protocol === 'wss:'; + const isIpcUrl = parsedUrl.protocol === 'ws+unix:'; + let invalidUrlMessage; + + if (parsedUrl.protocol !== 'ws:' && !isSecure && !isIpcUrl) { + invalidUrlMessage = + 'The URL\'s protocol must be one of "ws:", "wss:", or "ws+unix:"'; + } else if (isIpcUrl && !parsedUrl.pathname) { + invalidUrlMessage = "The URL's pathname is empty"; + } else if (parsedUrl.hash) { + invalidUrlMessage = 'The URL contains a fragment identifier'; + } + + if (invalidUrlMessage) { + const err = new SyntaxError(invalidUrlMessage); + + if (websocket._redirects === 0) { + throw err; + } else { + emitErrorAndClose(websocket, err); + return; + } + } + + const defaultPort = isSecure ? 443 : 80; + const key = randomBytes(16).toString('base64'); + const request = isSecure ? https.request : http.request; + const protocolSet = new Set(); + let perMessageDeflate; + + opts.createConnection = isSecure ? tlsConnect : netConnect; + opts.defaultPort = opts.defaultPort || defaultPort; + opts.port = parsedUrl.port || defaultPort; + opts.host = parsedUrl.hostname.startsWith('[') + ? parsedUrl.hostname.slice(1, -1) + : parsedUrl.hostname; + opts.headers = { + ...opts.headers, + 'Sec-WebSocket-Version': opts.protocolVersion, + 'Sec-WebSocket-Key': key, + Connection: 'Upgrade', + Upgrade: 'websocket' + }; + opts.path = parsedUrl.pathname + parsedUrl.search; + opts.timeout = opts.handshakeTimeout; + + if (opts.perMessageDeflate) { + perMessageDeflate = new PerMessageDeflate( + opts.perMessageDeflate !== true ? opts.perMessageDeflate : {}, + false, + opts.maxPayload + ); + opts.headers['Sec-WebSocket-Extensions'] = format({ + [PerMessageDeflate.extensionName]: perMessageDeflate.offer() + }); + } + if (protocols.length) { + for (const protocol of protocols) { + if ( + typeof protocol !== 'string' || + !subprotocolRegex.test(protocol) || + protocolSet.has(protocol) + ) { + throw new SyntaxError( + 'An invalid or duplicated subprotocol was specified' + ); + } + + protocolSet.add(protocol); + } + + opts.headers['Sec-WebSocket-Protocol'] = protocols.join(','); + } + if (opts.origin) { + if (opts.protocolVersion < 13) { + opts.headers['Sec-WebSocket-Origin'] = opts.origin; + } else { + opts.headers.Origin = opts.origin; + } + } + if (parsedUrl.username || parsedUrl.password) { + opts.auth = `${parsedUrl.username}:${parsedUrl.password}`; + } + + if (isIpcUrl) { + const parts = opts.path.split(':'); + + opts.socketPath = parts[0]; + opts.path = parts[1]; + } + + let req; + + if (opts.followRedirects) { + if (websocket._redirects === 0) { + websocket._originalIpc = isIpcUrl; + websocket._originalSecure = isSecure; + websocket._originalHostOrSocketPath = isIpcUrl + ? opts.socketPath + : parsedUrl.host; + + const headers = options && options.headers; + + // + // Shallow copy the user provided options so that headers can be changed + // without mutating the original object. + // + options = { ...options, headers: {} }; + + if (headers) { + for (const [key, value] of Object.entries(headers)) { + options.headers[key.toLowerCase()] = value; + } + } + } else if (websocket.listenerCount('redirect') === 0) { + const isSameHost = isIpcUrl + ? websocket._originalIpc + ? opts.socketPath === websocket._originalHostOrSocketPath + : false + : websocket._originalIpc + ? false + : parsedUrl.host === websocket._originalHostOrSocketPath; + + if (!isSameHost || (websocket._originalSecure && !isSecure)) { + // + // Match curl 7.77.0 behavior and drop the following headers. These + // headers are also dropped when following a redirect to a subdomain. + // + delete opts.headers.authorization; + delete opts.headers.cookie; + + if (!isSameHost) delete opts.headers.host; + + opts.auth = undefined; + } + } + + // + // Match curl 7.77.0 behavior and make the first `Authorization` header win. + // If the `Authorization` header is set, then there is nothing to do as it + // will take precedence. + // + if (opts.auth && !options.headers.authorization) { + options.headers.authorization = + 'Basic ' + Buffer.from(opts.auth).toString('base64'); + } + + req = websocket._req = request(opts); + + if (websocket._redirects) { + // + // Unlike what is done for the `'upgrade'` event, no early exit is + // triggered here if the user calls `websocket.close()` or + // `websocket.terminate()` from a listener of the `'redirect'` event. This + // is because the user can also call `request.destroy()` with an error + // before calling `websocket.close()` or `websocket.terminate()` and this + // would result in an error being emitted on the `request` object with no + // `'error'` event listeners attached. + // + websocket.emit('redirect', websocket.url, req); + } + } else { + req = websocket._req = request(opts); + } + + if (opts.timeout) { + req.on('timeout', () => { + abortHandshake(websocket, req, 'Opening handshake has timed out'); + }); + } + + req.on('error', (err) => { + if (req === null || req[kAborted]) return; + + req = websocket._req = null; + emitErrorAndClose(websocket, err); + }); + + req.on('response', (res) => { + const location = res.headers.location; + const statusCode = res.statusCode; + + if ( + location && + opts.followRedirects && + statusCode >= 300 && + statusCode < 400 + ) { + if (++websocket._redirects > opts.maxRedirects) { + abortHandshake(websocket, req, 'Maximum redirects exceeded'); + return; + } + + req.abort(); + + let addr; + + try { + addr = new URL(location, address); + } catch (e) { + const err = new SyntaxError(`Invalid URL: ${location}`); + emitErrorAndClose(websocket, err); + return; + } + + initAsClient(websocket, addr, protocols, options); + } else if (!websocket.emit('unexpected-response', req, res)) { + abortHandshake( + websocket, + req, + `Unexpected server response: ${res.statusCode}` + ); + } + }); + + req.on('upgrade', (res, socket, head) => { + websocket.emit('upgrade', res); + + // + // The user may have closed the connection from a listener of the + // `'upgrade'` event. + // + if (websocket.readyState !== WebSocket.CONNECTING) return; + + req = websocket._req = null; + + if (res.headers.upgrade.toLowerCase() !== 'websocket') { + abortHandshake(websocket, socket, 'Invalid Upgrade header'); + return; + } + + const digest = createHash('sha1') + .update(key + GUID) + .digest('base64'); + + if (res.headers['sec-websocket-accept'] !== digest) { + abortHandshake(websocket, socket, 'Invalid Sec-WebSocket-Accept header'); + return; + } + + const serverProt = res.headers['sec-websocket-protocol']; + let protError; + + if (serverProt !== undefined) { + if (!protocolSet.size) { + protError = 'Server sent a subprotocol but none was requested'; + } else if (!protocolSet.has(serverProt)) { + protError = 'Server sent an invalid subprotocol'; + } + } else if (protocolSet.size) { + protError = 'Server sent no subprotocol'; + } + + if (protError) { + abortHandshake(websocket, socket, protError); + return; + } + + if (serverProt) websocket._protocol = serverProt; + + const secWebSocketExtensions = res.headers['sec-websocket-extensions']; + + if (secWebSocketExtensions !== undefined) { + if (!perMessageDeflate) { + const message = + 'Server sent a Sec-WebSocket-Extensions header but no extension ' + + 'was requested'; + abortHandshake(websocket, socket, message); + return; + } + + let extensions; + + try { + extensions = parse(secWebSocketExtensions); + } catch (err) { + const message = 'Invalid Sec-WebSocket-Extensions header'; + abortHandshake(websocket, socket, message); + return; + } + + const extensionNames = Object.keys(extensions); + + if ( + extensionNames.length !== 1 || + extensionNames[0] !== PerMessageDeflate.extensionName + ) { + const message = 'Server indicated an extension that was not requested'; + abortHandshake(websocket, socket, message); + return; + } + + try { + perMessageDeflate.accept(extensions[PerMessageDeflate.extensionName]); + } catch (err) { + const message = 'Invalid Sec-WebSocket-Extensions header'; + abortHandshake(websocket, socket, message); + return; + } + + websocket._extensions[PerMessageDeflate.extensionName] = + perMessageDeflate; + } + + websocket.setSocket(socket, head, { + generateMask: opts.generateMask, + maxPayload: opts.maxPayload, + skipUTF8Validation: opts.skipUTF8Validation + }); + }); + + req.end(); +} + +/** + * Emit the `'error'` and `'close'` events. + * + * @param {WebSocket} websocket The WebSocket instance + * @param {Error} The error to emit + * @private + */ +function emitErrorAndClose(websocket, err) { + websocket._readyState = WebSocket.CLOSING; + websocket.emit('error', err); + websocket.emitClose(); +} + +/** + * Create a `net.Socket` and initiate a connection. + * + * @param {Object} options Connection options + * @return {net.Socket} The newly created socket used to start the connection + * @private + */ +function netConnect(options) { + options.path = options.socketPath; + return net.connect(options); +} + +/** + * Create a `tls.TLSSocket` and initiate a connection. + * + * @param {Object} options Connection options + * @return {tls.TLSSocket} The newly created socket used to start the connection + * @private + */ +function tlsConnect(options) { + options.path = undefined; + + if (!options.servername && options.servername !== '') { + options.servername = net.isIP(options.host) ? '' : options.host; + } + + return tls.connect(options); +} + +/** + * Abort the handshake and emit an error. + * + * @param {WebSocket} websocket The WebSocket instance + * @param {(http.ClientRequest|net.Socket|tls.Socket)} stream The request to + * abort or the socket to destroy + * @param {String} message The error message + * @private + */ +function abortHandshake(websocket, stream, message) { + websocket._readyState = WebSocket.CLOSING; + + const err = new Error(message); + Error.captureStackTrace(err, abortHandshake); + + if (stream.setHeader) { + stream[kAborted] = true; + stream.abort(); + + if (stream.socket && !stream.socket.destroyed) { + // + // On Node.js >= 14.3.0 `request.abort()` does not destroy the socket if + // called after the request completed. See + // https://github.com/websockets/ws/issues/1869. + // + stream.socket.destroy(); + } + + process.nextTick(emitErrorAndClose, websocket, err); + } else { + stream.destroy(err); + stream.once('error', websocket.emit.bind(websocket, 'error')); + stream.once('close', websocket.emitClose.bind(websocket)); + } +} + +/** + * Handle cases where the `ping()`, `pong()`, or `send()` methods are called + * when the `readyState` attribute is `CLOSING` or `CLOSED`. + * + * @param {WebSocket} websocket The WebSocket instance + * @param {*} [data] The data to send + * @param {Function} [cb] Callback + * @private + */ +function sendAfterClose(websocket, data, cb) { + if (data) { + const length = toBuffer(data).length; + + // + // The `_bufferedAmount` property is used only when the peer is a client and + // the opening handshake fails. Under these circumstances, in fact, the + // `setSocket()` method is not called, so the `_socket` and `_sender` + // properties are set to `null`. + // + if (websocket._socket) websocket._sender._bufferedBytes += length; + else websocket._bufferedAmount += length; + } + + if (cb) { + const err = new Error( + `WebSocket is not open: readyState ${websocket.readyState} ` + + `(${readyStates[websocket.readyState]})` + ); + cb(err); + } +} + +/** + * The listener of the `Receiver` `'conclude'` event. + * + * @param {Number} code The status code + * @param {Buffer} reason The reason for closing + * @private + */ +function receiverOnConclude(code, reason) { + const websocket = this[kWebSocket]; + + websocket._closeFrameReceived = true; + websocket._closeMessage = reason; + websocket._closeCode = code; + + if (websocket._socket[kWebSocket] === undefined) return; + + websocket._socket.removeListener('data', socketOnData); + process.nextTick(resume, websocket._socket); + + if (code === 1005) websocket.close(); + else websocket.close(code, reason); +} + +/** + * The listener of the `Receiver` `'drain'` event. + * + * @private + */ +function receiverOnDrain() { + const websocket = this[kWebSocket]; + + if (!websocket.isPaused) websocket._socket.resume(); +} + +/** + * The listener of the `Receiver` `'error'` event. + * + * @param {(RangeError|Error)} err The emitted error + * @private + */ +function receiverOnError(err) { + const websocket = this[kWebSocket]; + + if (websocket._socket[kWebSocket] !== undefined) { + websocket._socket.removeListener('data', socketOnData); + + // + // On Node.js < 14.0.0 the `'error'` event is emitted synchronously. See + // https://github.com/websockets/ws/issues/1940. + // + process.nextTick(resume, websocket._socket); + + websocket.close(err[kStatusCode]); + } + + websocket.emit('error', err); +} + +/** + * The listener of the `Receiver` `'finish'` event. + * + * @private + */ +function receiverOnFinish() { + this[kWebSocket].emitClose(); +} + +/** + * The listener of the `Receiver` `'message'` event. + * + * @param {Buffer|ArrayBuffer|Buffer[])} data The message + * @param {Boolean} isBinary Specifies whether the message is binary or not + * @private + */ +function receiverOnMessage(data, isBinary) { + this[kWebSocket].emit('message', data, isBinary); +} + +/** + * The listener of the `Receiver` `'ping'` event. + * + * @param {Buffer} data The data included in the ping frame + * @private + */ +function receiverOnPing(data) { + const websocket = this[kWebSocket]; + + websocket.pong(data, !websocket._isServer, NOOP); + websocket.emit('ping', data); +} + +/** + * The listener of the `Receiver` `'pong'` event. + * + * @param {Buffer} data The data included in the pong frame + * @private + */ +function receiverOnPong(data) { + this[kWebSocket].emit('pong', data); +} + +/** + * Resume a readable stream + * + * @param {Readable} stream The readable stream + * @private + */ +function resume(stream) { + stream.resume(); +} + +/** + * The listener of the `net.Socket` `'close'` event. + * + * @private + */ +function socketOnClose() { + const websocket = this[kWebSocket]; + + this.removeListener('close', socketOnClose); + this.removeListener('data', socketOnData); + this.removeListener('end', socketOnEnd); + + websocket._readyState = WebSocket.CLOSING; + + let chunk; + + // + // The close frame might not have been received or the `'end'` event emitted, + // for example, if the socket was destroyed due to an error. Ensure that the + // `receiver` stream is closed after writing any remaining buffered data to + // it. If the readable side of the socket is in flowing mode then there is no + // buffered data as everything has been already written and `readable.read()` + // will return `null`. If instead, the socket is paused, any possible buffered + // data will be read as a single chunk. + // + if ( + !this._readableState.endEmitted && + !websocket._closeFrameReceived && + !websocket._receiver._writableState.errorEmitted && + (chunk = websocket._socket.read()) !== null + ) { + websocket._receiver.write(chunk); + } + + websocket._receiver.end(); + + this[kWebSocket] = undefined; + + clearTimeout(websocket._closeTimer); + + if ( + websocket._receiver._writableState.finished || + websocket._receiver._writableState.errorEmitted + ) { + websocket.emitClose(); + } else { + websocket._receiver.on('error', receiverOnFinish); + websocket._receiver.on('finish', receiverOnFinish); + } +} + +/** + * The listener of the `net.Socket` `'data'` event. + * + * @param {Buffer} chunk A chunk of data + * @private + */ +function socketOnData(chunk) { + if (!this[kWebSocket]._receiver.write(chunk)) { + this.pause(); + } +} + +/** + * The listener of the `net.Socket` `'end'` event. + * + * @private + */ +function socketOnEnd() { + const websocket = this[kWebSocket]; + + websocket._readyState = WebSocket.CLOSING; + websocket._receiver.end(); + this.end(); +} + +/** + * The listener of the `net.Socket` `'error'` event. + * + * @private + */ +function socketOnError() { + const websocket = this[kWebSocket]; + + this.removeListener('error', socketOnError); + this.on('error', NOOP); + + if (websocket) { + websocket._readyState = WebSocket.CLOSING; + this.destroy(); + } +} diff --git a/examples/axum-echo/node_modules/ws/package.json b/examples/axum-echo/node_modules/ws/package.json new file mode 100644 index 00000000..24ffdc55 --- /dev/null +++ b/examples/axum-echo/node_modules/ws/package.json @@ -0,0 +1,64 @@ +{ + "name": "ws", + "version": "8.11.0", + "description": "Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js", + "keywords": [ + "HyBi", + "Push", + "RFC-6455", + "WebSocket", + "WebSockets", + "real-time" + ], + "homepage": "https://github.com/websockets/ws", + "bugs": "https://github.com/websockets/ws/issues", + "repository": "websockets/ws", + "author": "Einar Otto Stangvik (http://2x.io)", + "license": "MIT", + "main": "index.js", + "exports": { + ".": { + "import": "./wrapper.mjs", + "require": "./index.js" + }, + "./package.json": "./package.json" + }, + "browser": "browser.js", + "engines": { + "node": ">=10.0.0" + }, + "files": [ + "browser.js", + "index.js", + "lib/*.js", + "wrapper.mjs" + ], + "scripts": { + "test": "nyc --reporter=lcov --reporter=text mocha --throw-deprecation test/*.test.js", + "integration": "mocha --throw-deprecation test/*.integration.js", + "lint": "eslint --ignore-path .gitignore . && prettier --check --ignore-path .gitignore \"**/*.{json,md,yaml,yml}\"" + }, + "peerDependencies": { + "bufferutil": "^4.0.1", + "utf-8-validate": "^5.0.2" + }, + "peerDependenciesMeta": { + "bufferutil": { + "optional": true + }, + "utf-8-validate": { + "optional": true + } + }, + "devDependencies": { + "benchmark": "^2.1.4", + "bufferutil": "^4.0.1", + "eslint": "^8.0.0", + "eslint-config-prettier": "^8.1.0", + "eslint-plugin-prettier": "^4.0.0", + "mocha": "^8.4.0", + "nyc": "^15.0.0", + "prettier": "^2.0.5", + "utf-8-validate": "^5.0.2" + } +} diff --git a/examples/axum-echo/node_modules/ws/wrapper.mjs b/examples/axum-echo/node_modules/ws/wrapper.mjs new file mode 100644 index 00000000..7245ad15 --- /dev/null +++ b/examples/axum-echo/node_modules/ws/wrapper.mjs @@ -0,0 +1,8 @@ +import createWebSocketStream from './lib/stream.js'; +import Receiver from './lib/receiver.js'; +import Sender from './lib/sender.js'; +import WebSocket from './lib/websocket.js'; +import WebSocketServer from './lib/websocket-server.js'; + +export { createWebSocketStream, Receiver, Sender, WebSocket, WebSocketServer }; +export default WebSocket; diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/LICENSE b/examples/axum-echo/node_modules/xmlhttprequest-ssl/LICENSE new file mode 100644 index 00000000..1c63271b --- /dev/null +++ b/examples/axum-echo/node_modules/xmlhttprequest-ssl/LICENSE @@ -0,0 +1,22 @@ + Copyright (c) 2010 passive.ly LLC + + Permission is hereby granted, free of charge, to any person + obtaining a copy of this software and associated documentation + files (the "Software"), to deal in the Software without + restriction, including without limitation the rights to use, + copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the + Software is furnished to do so, subject to the following + conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/README.md b/examples/axum-echo/node_modules/xmlhttprequest-ssl/README.md new file mode 100644 index 00000000..7e09b949 --- /dev/null +++ b/examples/axum-echo/node_modules/xmlhttprequest-ssl/README.md @@ -0,0 +1,67 @@ +# node-XMLHttpRequest # + +Fork of [node-XMLHttpRequest](https://github.com/driverdan/node-XMLHttpRequest) by [driverdan](http://driverdan.com). Forked and published to npm because a [pull request](https://github.com/rase-/node-XMLHttpRequest/commit/a6b6f296e0a8278165c2d0270d9840b54d5eeadd) is not being created and merged. Changes made by [rase-](https://github.com/rase-/node-XMLHttpRequest/tree/add/ssl-support) are needed for [engine.io-client](https://github.com/Automattic/engine.io-client). + +## Usage ## + +Here's how to include the module in your project and use as the browser-based +XHR object. + + var XMLHttpRequest = require("xmlhttprequest-ssl").XMLHttpRequest; + var xhr = new XMLHttpRequest(); + +Note: use the lowercase string "xmlhttprequest-ssl" in your require(). On +case-sensitive systems (eg Linux) using uppercase letters won't work. +# Original README # + +## Usage ## + +Here's how to include the module in your project and use as the browser-based +XHR object. + + var XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest; + var xhr = new XMLHttpRequest(); + +Note: use the lowercase string "xmlhttprequest" in your require(). On +case-sensitive systems (eg Linux) using uppercase letters won't work. + +## Versions ## + +Version 2.0.0 introduces a potentially breaking change concerning local file system requests. +If these requests fail this library now returns the `errno` (or -1) as the response status code instead of +returning status code 0. + +Prior to 1.4.0 version numbers were arbitrary. From 1.4.0 on they conform to +the standard major.minor.bugfix. 1.x shouldn't necessarily be considered +stable just because it's above 0.x. + +Since the XMLHttpRequest API is stable this library's API is stable as +well. Major version numbers indicate significant core code changes. +Minor versions indicate minor core code changes or better conformity to +the W3C spec. + +## License ## + +MIT license. See LICENSE for full details. + +## Supports ## + +* Async and synchronous requests +* GET, POST, PUT, and DELETE requests +* All spec methods (open, send, abort, getRequestHeader, + getAllRequestHeaders, event methods) +* Requests to all domains + +## Known Issues / Missing Features ## + +For a list of open issues or to report your own visit the [github issues +page](https://github.com/driverdan/node-XMLHttpRequest/issues). + +* Local file access may have unexpected results for non-UTF8 files +* Synchronous requests don't set headers properly +* Synchronous requests freeze node while waiting for response (But that's what you want, right? Stick with async!). +* Some events are missing, such as abort +* getRequestHeader is case-sensitive +* Cookies aren't persisted between requests +* Missing XML support +* Missing basic auth diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/autotest.watchr b/examples/axum-echo/node_modules/xmlhttprequest-ssl/autotest.watchr new file mode 100644 index 00000000..5324db6c --- /dev/null +++ b/examples/axum-echo/node_modules/xmlhttprequest-ssl/autotest.watchr @@ -0,0 +1,8 @@ +def run_all_tests + puts `clear` + puts `node tests/test-constants.js` + puts `node tests/test-headers.js` + puts `node tests/test-request.js` +end +watch('.*.js') { run_all_tests } +run_all_tests diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/example/demo.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/example/demo.js new file mode 100644 index 00000000..1872ab54 --- /dev/null +++ b/examples/axum-echo/node_modules/xmlhttprequest-ssl/example/demo.js @@ -0,0 +1,16 @@ +var sys = require('util'); +var XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest; + +var xhr = new XMLHttpRequest(); + +xhr.onreadystatechange = function() { + console.log("State: " + this.readyState); + + if (this.readyState == 4) { + console.log("Complete.\nBody length: " + this.responseText.length); + console.log("Body:\n" + this.responseText); + } +}; + +xhr.open("GET", "http://driverdan.com"); +xhr.send(); diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/lib/XMLHttpRequest.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/lib/XMLHttpRequest.js new file mode 100644 index 00000000..c0da822c --- /dev/null +++ b/examples/axum-echo/node_modules/xmlhttprequest-ssl/lib/XMLHttpRequest.js @@ -0,0 +1,673 @@ +/** + * Wrapper for built-in http.js to emulate the browser XMLHttpRequest object. + * + * This can be used with JS designed for browsers to improve reuse of code and + * allow the use of existing libraries. + * + * Usage: include("XMLHttpRequest.js") and use XMLHttpRequest per W3C specs. + * + * @author Dan DeFelippi + * @contributor David Ellis + * @license MIT + */ + +var fs = require('fs'); +var Url = require('url'); +var spawn = require('child_process').spawn; + +/** + * Module exports. + */ + +module.exports = XMLHttpRequest; + +// backwards-compat +XMLHttpRequest.XMLHttpRequest = XMLHttpRequest; + +/** + * `XMLHttpRequest` constructor. + * + * Supported options for the `opts` object are: + * + * - `agent`: An http.Agent instance; http.globalAgent may be used; if 'undefined', agent usage is disabled + * + * @param {Object} opts optional "options" object + */ + +function XMLHttpRequest(opts) { + "use strict"; + + opts = opts || {}; + + /** + * Private variables + */ + var self = this; + var http = require('http'); + var https = require('https'); + + // Holds http.js objects + var request; + var response; + + // Request settings + var settings = {}; + + // Disable header blacklist. + // Not part of XHR specs. + var disableHeaderCheck = false; + + // Set some default headers + var defaultHeaders = { + "User-Agent": "node-XMLHttpRequest", + "Accept": "*/*" + }; + + var headers = Object.assign({}, defaultHeaders); + + // These headers are not user setable. + // The following are allowed but banned in the spec: + // * user-agent + var forbiddenRequestHeaders = [ + "accept-charset", + "accept-encoding", + "access-control-request-headers", + "access-control-request-method", + "connection", + "content-length", + "content-transfer-encoding", + "cookie", + "cookie2", + "date", + "expect", + "host", + "keep-alive", + "origin", + "referer", + "te", + "trailer", + "transfer-encoding", + "upgrade", + "via" + ]; + + // These request methods are not allowed + var forbiddenRequestMethods = [ + "TRACE", + "TRACK", + "CONNECT" + ]; + + // Send flag + var sendFlag = false; + // Error flag, used when errors occur or abort is called + var errorFlag = false; + var abortedFlag = false; + + // Event listeners + var listeners = {}; + + /** + * Constants + */ + + this.UNSENT = 0; + this.OPENED = 1; + this.HEADERS_RECEIVED = 2; + this.LOADING = 3; + this.DONE = 4; + + /** + * Public vars + */ + + // Current state + this.readyState = this.UNSENT; + + // default ready state change handler in case one is not set or is set late + this.onreadystatechange = null; + + // Result & response + this.responseText = ""; + this.responseXML = ""; + this.status = null; + this.statusText = null; + + /** + * Private methods + */ + + /** + * Check if the specified header is allowed. + * + * @param string header Header to validate + * @return boolean False if not allowed, otherwise true + */ + var isAllowedHttpHeader = function(header) { + return disableHeaderCheck || (header && forbiddenRequestHeaders.indexOf(header.toLowerCase()) === -1); + }; + + /** + * Check if the specified method is allowed. + * + * @param string method Request method to validate + * @return boolean False if not allowed, otherwise true + */ + var isAllowedHttpMethod = function(method) { + return (method && forbiddenRequestMethods.indexOf(method) === -1); + }; + + /** + * Public methods + */ + + /** + * Open the connection. Currently supports local server requests. + * + * @param string method Connection method (eg GET, POST) + * @param string url URL for the connection. + * @param boolean async Asynchronous connection. Default is true. + * @param string user Username for basic authentication (optional) + * @param string password Password for basic authentication (optional) + */ + this.open = function(method, url, async, user, password) { + this.abort(); + errorFlag = false; + abortedFlag = false; + + // Check for valid request method + if (!isAllowedHttpMethod(method)) { + throw new Error("SecurityError: Request method not allowed"); + } + + settings = { + "method": method, + "url": url.toString(), + "async": (typeof async !== "boolean" ? true : async), + "user": user || null, + "password": password || null + }; + + setState(this.OPENED); + }; + + /** + * Disables or enables isAllowedHttpHeader() check the request. Enabled by default. + * This does not conform to the W3C spec. + * + * @param boolean state Enable or disable header checking. + */ + this.setDisableHeaderCheck = function(state) { + disableHeaderCheck = state; + }; + + /** + * Sets a header for the request. + * + * @param string header Header name + * @param string value Header value + * @return boolean Header added + */ + this.setRequestHeader = function(header, value) { + if (this.readyState != this.OPENED) { + throw new Error("INVALID_STATE_ERR: setRequestHeader can only be called when state is OPEN"); + } + if (!isAllowedHttpHeader(header)) { + console.warn('Refused to set unsafe header "' + header + '"'); + return false; + } + if (sendFlag) { + throw new Error("INVALID_STATE_ERR: send flag is true"); + } + headers[header] = value; + return true; + }; + + /** + * Gets a header from the server response. + * + * @param string header Name of header to get. + * @return string Text of the header or null if it doesn't exist. + */ + this.getResponseHeader = function(header) { + if (typeof header === "string" + && this.readyState > this.OPENED + && response.headers[header.toLowerCase()] + && !errorFlag + ) { + return response.headers[header.toLowerCase()]; + } + + return null; + }; + + /** + * Gets all the response headers. + * + * @return string A string with all response headers separated by CR+LF + */ + this.getAllResponseHeaders = function() { + if (this.readyState < this.HEADERS_RECEIVED || errorFlag) { + return ""; + } + var result = ""; + + for (var i in response.headers) { + // Cookie headers are excluded + if (i !== "set-cookie" && i !== "set-cookie2") { + result += i + ": " + response.headers[i] + "\r\n"; + } + } + return result.substr(0, result.length - 2); + }; + + /** + * Gets a request header + * + * @param string name Name of header to get + * @return string Returns the request header or empty string if not set + */ + this.getRequestHeader = function(name) { + // @TODO Make this case insensitive + if (typeof name === "string" && headers[name]) { + return headers[name]; + } + + return ""; + }; + + /** + * Sends the request to the server. + * + * @param string data Optional data to send as request body. + */ + this.send = function(data) { + if (this.readyState != this.OPENED) { + throw new Error("INVALID_STATE_ERR: connection must be opened before send() is called"); + } + + if (sendFlag) { + throw new Error("INVALID_STATE_ERR: send has already been called"); + } + + var ssl = false, local = false; + var url = Url.parse(settings.url); + var host; + // Determine the server + switch (url.protocol) { + case 'https:': + ssl = true; + // SSL & non-SSL both need host, no break here. + case 'http:': + host = url.hostname; + break; + + case 'file:': + local = true; + break; + + case undefined: + case '': + host = "localhost"; + break; + + default: + throw new Error("Protocol not supported."); + } + + // Load files off the local filesystem (file://) + if (local) { + if (settings.method !== "GET") { + throw new Error("XMLHttpRequest: Only GET method is supported"); + } + + if (settings.async) { + fs.readFile(unescape(url.pathname), 'utf8', function(error, data) { + if (error) { + self.handleError(error, error.errno || -1); + } else { + self.status = 200; + self.responseText = data; + setState(self.DONE); + } + }); + } else { + try { + this.responseText = fs.readFileSync(unescape(url.pathname), 'utf8'); + this.status = 200; + setState(self.DONE); + } catch(e) { + this.handleError(e, e.errno || -1); + } + } + + return; + } + + // Default to port 80. If accessing localhost on another port be sure + // to use http://localhost:port/path + var port = url.port || (ssl ? 443 : 80); + // Add query string if one is used + var uri = url.pathname + (url.search ? url.search : ''); + + // Set the Host header or the server may reject the request + headers["Host"] = host; + if (!((ssl && port === 443) || port === 80)) { + headers["Host"] += ':' + url.port; + } + + // Set Basic Auth if necessary + if (settings.user) { + if (typeof settings.password == "undefined") { + settings.password = ""; + } + var authBuf = new Buffer(settings.user + ":" + settings.password); + headers["Authorization"] = "Basic " + authBuf.toString("base64"); + } + + // Set content length header + if (settings.method === "GET" || settings.method === "HEAD") { + data = null; + } else if (data) { + headers["Content-Length"] = Buffer.isBuffer(data) ? data.length : Buffer.byteLength(data); + + if (!headers["Content-Type"]) { + headers["Content-Type"] = "text/plain;charset=UTF-8"; + } + } else if (settings.method === "POST") { + // For a post with no data set Content-Length: 0. + // This is required by buggy servers that don't meet the specs. + headers["Content-Length"] = 0; + } + + var agent = opts.agent || false; + var options = { + host: host, + port: port, + path: uri, + method: settings.method, + headers: headers, + agent: agent + }; + + if (ssl) { + options.pfx = opts.pfx; + options.key = opts.key; + options.passphrase = opts.passphrase; + options.cert = opts.cert; + options.ca = opts.ca; + options.ciphers = opts.ciphers; + options.rejectUnauthorized = opts.rejectUnauthorized === false ? false : true; + } + + // Reset error flag + errorFlag = false; + // Handle async requests + if (settings.async) { + // Use the proper protocol + var doRequest = ssl ? https.request : http.request; + + // Request is being sent, set send flag + sendFlag = true; + + // As per spec, this is called here for historical reasons. + self.dispatchEvent("readystatechange"); + + // Handler for the response + var responseHandler = function(resp) { + // Set response var to the response we got back + // This is so it remains accessable outside this scope + response = resp; + // Check for redirect + // @TODO Prevent looped redirects + if (response.statusCode === 302 || response.statusCode === 303 || response.statusCode === 307) { + // Change URL to the redirect location + settings.url = response.headers.location; + var url = Url.parse(settings.url); + // Set host var in case it's used later + host = url.hostname; + // Options for the new request + var newOptions = { + hostname: url.hostname, + port: url.port, + path: url.path, + method: response.statusCode === 303 ? 'GET' : settings.method, + headers: headers + }; + + if (ssl) { + newOptions.pfx = opts.pfx; + newOptions.key = opts.key; + newOptions.passphrase = opts.passphrase; + newOptions.cert = opts.cert; + newOptions.ca = opts.ca; + newOptions.ciphers = opts.ciphers; + newOptions.rejectUnauthorized = opts.rejectUnauthorized === false ? false : true; + } + + // Issue the new request + request = doRequest(newOptions, responseHandler).on('error', errorHandler); + request.end(); + // @TODO Check if an XHR event needs to be fired here + return; + } + + if (response && response.setEncoding) { + response.setEncoding("utf8"); + } + + setState(self.HEADERS_RECEIVED); + self.status = response.statusCode; + + response.on('data', function(chunk) { + // Make sure there's some data + if (chunk) { + self.responseText += chunk; + } + // Don't emit state changes if the connection has been aborted. + if (sendFlag) { + setState(self.LOADING); + } + }); + + response.on('end', function() { + if (sendFlag) { + // The sendFlag needs to be set before setState is called. Otherwise if we are chaining callbacks + // there can be a timing issue (the callback is called and a new call is made before the flag is reset). + sendFlag = false; + // Discard the 'end' event if the connection has been aborted + setState(self.DONE); + } + }); + + response.on('error', function(error) { + self.handleError(error); + }); + } + + // Error handler for the request + var errorHandler = function(error) { + self.handleError(error); + } + + // Create the request + request = doRequest(options, responseHandler).on('error', errorHandler); + + if (opts.autoUnref) { + request.on('socket', (socket) => { + socket.unref(); + }); + } + + // Node 0.4 and later won't accept empty data. Make sure it's needed. + if (data) { + request.write(data); + } + + request.end(); + + self.dispatchEvent("loadstart"); + } else { // Synchronous + // Create a temporary file for communication with the other Node process + var contentFile = ".node-xmlhttprequest-content-" + process.pid; + var syncFile = ".node-xmlhttprequest-sync-" + process.pid; + fs.writeFileSync(syncFile, "", "utf8"); + // The async request the other Node process executes + var execString = "var http = require('http'), https = require('https'), fs = require('fs');" + + "var doRequest = http" + (ssl ? "s" : "") + ".request;" + + "var options = " + JSON.stringify(options) + ";" + + "var responseText = '';" + + "var req = doRequest(options, function(response) {" + + "response.setEncoding('utf8');" + + "response.on('data', function(chunk) {" + + " responseText += chunk;" + + "});" + + "response.on('end', function() {" + + "fs.writeFileSync('" + contentFile + "', 'NODE-XMLHTTPREQUEST-STATUS:' + response.statusCode + ',' + responseText, 'utf8');" + + "fs.unlinkSync('" + syncFile + "');" + + "});" + + "response.on('error', function(error) {" + + "fs.writeFileSync('" + contentFile + "', 'NODE-XMLHTTPREQUEST-ERROR:' + JSON.stringify(error), 'utf8');" + + "fs.unlinkSync('" + syncFile + "');" + + "});" + + "}).on('error', function(error) {" + + "fs.writeFileSync('" + contentFile + "', 'NODE-XMLHTTPREQUEST-ERROR:' + JSON.stringify(error), 'utf8');" + + "fs.unlinkSync('" + syncFile + "');" + + "});" + + (data ? "req.write('" + JSON.stringify(data).slice(1,-1).replace(/'/g, "\\'") + "');":"") + + "req.end();"; + // Start the other Node Process, executing this string + var syncProc = spawn(process.argv[0], ["-e", execString]); + var statusText; + while(fs.existsSync(syncFile)) { + // Wait while the sync file is empty + } + self.responseText = fs.readFileSync(contentFile, 'utf8'); + // Kill the child process once the file has data + syncProc.stdin.end(); + // Remove the temporary file + fs.unlinkSync(contentFile); + if (self.responseText.match(/^NODE-XMLHTTPREQUEST-ERROR:/)) { + // If the file returned an error, handle it + var errorObj = self.responseText.replace(/^NODE-XMLHTTPREQUEST-ERROR:/, ""); + self.handleError(errorObj, 503); + } else { + // If the file returned okay, parse its data and move to the DONE state + self.status = self.responseText.replace(/^NODE-XMLHTTPREQUEST-STATUS:([0-9]*),.*/, "$1"); + self.responseText = self.responseText.replace(/^NODE-XMLHTTPREQUEST-STATUS:[0-9]*,(.*)/, "$1"); + setState(self.DONE); + } + } + }; + + /** + * Called when an error is encountered to deal with it. + * @param status {number} HTTP status code to use rather than the default (0) for XHR errors. + */ + this.handleError = function(error, status) { + this.status = status || 0; + this.statusText = error; + this.responseText = error.stack; + errorFlag = true; + setState(this.DONE); + }; + + /** + * Aborts a request. + */ + this.abort = function() { + if (request) { + request.abort(); + request = null; + } + + headers = Object.assign({}, defaultHeaders); + this.responseText = ""; + this.responseXML = ""; + + errorFlag = abortedFlag = true + if (this.readyState !== this.UNSENT + && (this.readyState !== this.OPENED || sendFlag) + && this.readyState !== this.DONE) { + sendFlag = false; + setState(this.DONE); + } + this.readyState = this.UNSENT; + }; + + /** + * Adds an event listener. Preferred method of binding to events. + */ + this.addEventListener = function(event, callback) { + if (!(event in listeners)) { + listeners[event] = []; + } + // Currently allows duplicate callbacks. Should it? + listeners[event].push(callback); + }; + + /** + * Remove an event callback that has already been bound. + * Only works on the matching funciton, cannot be a copy. + */ + this.removeEventListener = function(event, callback) { + if (event in listeners) { + // Filter will return a new array with the callback removed + listeners[event] = listeners[event].filter(function(ev) { + return ev !== callback; + }); + } + }; + + /** + * Dispatch any events, including both "on" methods and events attached using addEventListener. + */ + this.dispatchEvent = function(event) { + if (typeof self["on" + event] === "function") { + if (this.readyState === this.DONE) + setImmediate(function() { self["on" + event]() }) + else + self["on" + event]() + } + if (event in listeners) { + for (let i = 0, len = listeners[event].length; i < len; i++) { + if (this.readyState === this.DONE) + setImmediate(function() { listeners[event][i].call(self) }) + else + listeners[event][i].call(self) + } + } + }; + + /** + * Changes readyState and calls onreadystatechange. + * + * @param int state New state + */ + var setState = function(state) { + if ((self.readyState === state) || (self.readyState === self.UNSENT && abortedFlag)) + return + + self.readyState = state; + + if (settings.async || self.readyState < self.OPENED || self.readyState === self.DONE) { + self.dispatchEvent("readystatechange"); + } + + if (self.readyState === self.DONE) { + let fire + + if (abortedFlag) + fire = "abort" + else if (errorFlag) + fire = "error" + else + fire = "load" + + self.dispatchEvent(fire) + + // @TODO figure out InspectorInstrumentation::didLoadXHR(cookie) + self.dispatchEvent("loadend"); + } + }; +}; diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/package.json b/examples/axum-echo/node_modules/xmlhttprequest-ssl/package.json new file mode 100644 index 00000000..ba87b858 --- /dev/null +++ b/examples/axum-echo/node_modules/xmlhttprequest-ssl/package.json @@ -0,0 +1,35 @@ +{ + "name": "xmlhttprequest-ssl", + "description": "XMLHttpRequest for Node", + "version": "2.0.0", + "author": { + "name": "Michael de Wit" + }, + "keywords": [ + "xhr", + "ajax" + ], + "licenses": [ + { + "type": "MIT", + "url": "http://creativecommons.org/licenses/MIT/" + } + ], + "repository": { + "type": "git", + "url": "git://github.com/mjwwit/node-XMLHttpRequest.git" + }, + "bugs": "http://github.com/mjwwit/node-XMLHttpRequest/issues", + "engines": { + "node": ">=0.4.0" + }, + "scripts": { + "test": "cd ./tests && node test-constants.js && node test-events.js && node test-exceptions.js && node test-headers.js && node test-redirect-302.js && node test-redirect-303.js && node test-redirect-307.js && node test-request-methods.js && node test-request-protocols.js" + }, + "directories": { + "lib": "./lib", + "example": "./example" + }, + "main": "./lib/XMLHttpRequest.js", + "dependencies": {} +} diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-constants.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-constants.js new file mode 100644 index 00000000..4c697e21 --- /dev/null +++ b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-constants.js @@ -0,0 +1,13 @@ +var sys = require("util") + , assert = require("assert") + , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest + , xhr = new XMLHttpRequest(); + +// Test constant values +assert.equal(0, xhr.UNSENT); +assert.equal(1, xhr.OPENED); +assert.equal(2, xhr.HEADERS_RECEIVED); +assert.equal(3, xhr.LOADING); +assert.equal(4, xhr.DONE); + +console.log("done"); diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-events.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-events.js new file mode 100644 index 00000000..3296f8b3 --- /dev/null +++ b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-events.js @@ -0,0 +1,50 @@ +var sys = require("util") + , assert = require("assert") + , http = require("http") + , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest + , xhr; + +// Test server +var server = http.createServer(function (req, res) { + var body = (req.method != "HEAD" ? "Hello World" : ""); + + res.writeHead(200, { + "Content-Type": "text/plain", + "Content-Length": Buffer.byteLength(body) + }); + // HEAD has no body + if (req.method != "HEAD") { + res.write(body); + } + res.end(); + assert.equal(onreadystatechange, true); + assert.equal(readystatechange, true); + assert.equal(removed, true); + console.log("done"); + this.close(); +}).listen(8000); + +xhr = new XMLHttpRequest(); + +// Track event calls +var onreadystatechange = false; +var readystatechange = false; +var removed = true; +var removedEvent = function() { + removed = false; +}; + +xhr.onreadystatechange = function() { + onreadystatechange = true; +}; + +xhr.addEventListener("readystatechange", function() { + readystatechange = true; +}); + +// This isn't perfect, won't guarantee it was added in the first place +xhr.addEventListener("readystatechange", removedEvent); +xhr.removeEventListener("readystatechange", removedEvent); + +xhr.open("GET", "http://localhost:8000"); +xhr.send(); diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-exceptions.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-exceptions.js new file mode 100644 index 00000000..10eaea2d --- /dev/null +++ b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-exceptions.js @@ -0,0 +1,59 @@ +var sys = require("util") + , assert = require("assert") + , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest + , xhr = new XMLHttpRequest(); + +// Test request methods that aren't allowed +try { + xhr.open("TRACK", "http://localhost:8000/"); + console.log("ERROR: TRACK should have thrown exception"); +} catch(e) {} +try { + xhr.open("TRACE", "http://localhost:8000/"); + console.log("ERROR: TRACE should have thrown exception"); +} catch(e) {} +try { + xhr.open("CONNECT", "http://localhost:8000/"); + console.log("ERROR: CONNECT should have thrown exception"); +} catch(e) {} +// Test valid request method +try { + xhr.open("GET", "http://localhost:8000/"); +} catch(e) { + console.log("ERROR: Invalid exception for GET", e); +} + +// Test forbidden headers +var forbiddenRequestHeaders = [ + "accept-charset", + "accept-encoding", + "access-control-request-headers", + "access-control-request-method", + "connection", + "content-length", + "content-transfer-encoding", + "cookie", + "cookie2", + "date", + "expect", + "host", + "keep-alive", + "origin", + "referer", + "te", + "trailer", + "transfer-encoding", + "upgrade", + "via" +]; + +for (var i in forbiddenRequestHeaders) { + if(xhr.setRequestHeader(forbiddenRequestHeaders[i], "Test") !== false) { + console.log("ERROR: " + forbiddenRequestHeaders[i] + " should have thrown exception"); + } +} + +// Try valid header +xhr.setRequestHeader("X-Foobar", "Test"); + +console.log("Done"); diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-headers.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-headers.js new file mode 100644 index 00000000..27ecc255 --- /dev/null +++ b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-headers.js @@ -0,0 +1,76 @@ +var sys = require("util") + , assert = require("assert") + , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest + , xhr = new XMLHttpRequest() + , http = require("http"); + +// Test server +var server = http.createServer(function (req, res) { + // Test setRequestHeader + assert.equal("Foobar", req.headers["x-test"]); + // Test non-conforming allowed header + assert.equal("node-XMLHttpRequest-test", req.headers["user-agent"]); + // Test header set with blacklist disabled + assert.equal("http://github.com", req.headers["referer"]); + + var body = "Hello World"; + res.writeHead(200, { + "Content-Type": "text/plain", + "Content-Length": Buffer.byteLength(body), + // Set cookie headers to see if they're correctly suppressed + // Actual values don't matter + "Set-Cookie": "foo=bar", + "Set-Cookie2": "bar=baz", + "Date": "Thu, 30 Aug 2012 18:17:53 GMT", + "Connection": "close" + }); + res.write("Hello World"); + res.end(); + + this.close(); +}).listen(8000); + +xhr.onreadystatechange = function() { + if (this.readyState == 4) { + // Test getAllResponseHeaders() + var headers = "content-type: text/plain\r\ncontent-length: 11\r\ndate: Thu, 30 Aug 2012 18:17:53 GMT\r\nconnection: close"; + assert.equal(headers, this.getAllResponseHeaders()); + + // Test case insensitivity + assert.equal('text/plain', this.getResponseHeader('Content-Type')); + assert.equal('text/plain', this.getResponseHeader('Content-type')); + assert.equal('text/plain', this.getResponseHeader('content-Type')); + assert.equal('text/plain', this.getResponseHeader('content-type')); + + // Test aborted getAllResponseHeaders + this.abort(); + assert.equal("", this.getAllResponseHeaders()); + assert.equal(null, this.getResponseHeader("Connection")); + + console.log("done"); + } +}; + +assert.equal(null, xhr.getResponseHeader("Content-Type")); +try { + xhr.open("GET", "http://localhost:8000/"); + // Valid header + xhr.setRequestHeader("X-Test", "Foobar"); + // Invalid header + xhr.setRequestHeader("Content-Length", 0); + // Allowed header outside of specs + xhr.setRequestHeader("user-agent", "node-XMLHttpRequest-test"); + // Test getRequestHeader + assert.equal("Foobar", xhr.getRequestHeader("X-Test")); + // Test invalid header + assert.equal("", xhr.getRequestHeader("Content-Length")); + + // Test allowing all headers + xhr.setDisableHeaderCheck(true); + xhr.setRequestHeader("Referer", "http://github.com"); + assert.equal("http://github.com", xhr.getRequestHeader("Referer")); + + xhr.send(); +} catch(e) { + console.log("ERROR: Exception raised", e); +} diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-302.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-302.js new file mode 100644 index 00000000..0b87192b --- /dev/null +++ b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-302.js @@ -0,0 +1,41 @@ +var sys = require("util") + , assert = require("assert") + , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest + , xhr = new XMLHttpRequest() + , http = require("http"); + +// Test server +var server = http.createServer(function (req, res) { + if (req.url === '/redirectingResource') { + res.writeHead(302, {'Location': 'http://localhost:8000/'}); + res.end(); + return; + } + + var body = "Hello World"; + res.writeHead(200, { + "Content-Type": "text/plain", + "Content-Length": Buffer.byteLength(body), + "Date": "Thu, 30 Aug 2012 18:17:53 GMT", + "Connection": "close" + }); + res.write("Hello World"); + res.end(); + + this.close(); +}).listen(8000); + +xhr.onreadystatechange = function() { + if (this.readyState == 4) { + assert.equal(xhr.getRequestHeader('Location'), ''); + assert.equal(xhr.responseText, "Hello World"); + console.log("done"); + } +}; + +try { + xhr.open("GET", "http://localhost:8000/redirectingResource"); + xhr.send(); +} catch(e) { + console.log("ERROR: Exception raised", e); +} diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-303.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-303.js new file mode 100644 index 00000000..aa85b2dc --- /dev/null +++ b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-303.js @@ -0,0 +1,41 @@ +var sys = require("util") + , assert = require("assert") + , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest + , xhr = new XMLHttpRequest() + , http = require("http"); + +// Test server +var server = http.createServer(function (req, res) { + if (req.url === '/redirectingResource') { + res.writeHead(303, {'Location': 'http://localhost:8000/'}); + res.end(); + return; + } + + var body = "Hello World"; + res.writeHead(200, { + "Content-Type": "text/plain", + "Content-Length": Buffer.byteLength(body), + "Date": "Thu, 30 Aug 2012 18:17:53 GMT", + "Connection": "close" + }); + res.write("Hello World"); + res.end(); + + this.close(); +}).listen(8000); + +xhr.onreadystatechange = function() { + if (this.readyState == 4) { + assert.equal(xhr.getRequestHeader('Location'), ''); + assert.equal(xhr.responseText, "Hello World"); + console.log("done"); + } +}; + +try { + xhr.open("POST", "http://localhost:8000/redirectingResource"); + xhr.send(); +} catch(e) { + console.log("ERROR: Exception raised", e); +} diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-307.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-307.js new file mode 100644 index 00000000..a73819fd --- /dev/null +++ b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-307.js @@ -0,0 +1,43 @@ +var sys = require("util") + , assert = require("assert") + , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest + , xhr = new XMLHttpRequest() + , http = require("http"); + +// Test server +var server = http.createServer(function (req, res) { + if (req.url === '/redirectingResource') { + res.writeHead(307, {'Location': 'http://localhost:8000/'}); + res.end(); + return; + } + + assert.equal(req.method, 'POST'); + + var body = "Hello World"; + res.writeHead(200, { + "Content-Type": "text/plain", + "Content-Length": Buffer.byteLength(body), + "Date": "Thu, 30 Aug 2012 18:17:53 GMT", + "Connection": "close" + }); + res.write("Hello World"); + res.end(); + + this.close(); +}).listen(8000); + +xhr.onreadystatechange = function() { + if (this.readyState == 4) { + assert.equal(xhr.getRequestHeader('Location'), ''); + assert.equal(xhr.responseText, "Hello World"); + console.log("done"); + } +}; + +try { + xhr.open("POST", "http://localhost:8000/redirectingResource"); + xhr.send(); +} catch(e) { + console.log("ERROR: Exception raised", e); +} diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-request-methods.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-request-methods.js new file mode 100644 index 00000000..f8d66d80 --- /dev/null +++ b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-request-methods.js @@ -0,0 +1,62 @@ +var sys = require("util") + , assert = require("assert") + , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest + , http = require("http") + , xhr; + +// Test server +var server = http.createServer(function (req, res) { + // Check request method and URL + assert.equal(methods[curMethod], req.method); + assert.equal("/" + methods[curMethod], req.url); + + var body = (req.method != "HEAD" ? "Hello World" : ""); + + res.writeHead(200, { + "Content-Type": "text/plain", + "Content-Length": Buffer.byteLength(body) + }); + // HEAD has no body + if (req.method != "HEAD") { + res.write(body); + } + res.end(); + + if (curMethod == methods.length - 1) { + this.close(); + console.log("done"); + } +}).listen(8000); + +// Test standard methods +var methods = ["GET", "POST", "HEAD", "PUT", "DELETE"]; +var curMethod = 0; + +function start(method) { + // Reset each time + xhr = new XMLHttpRequest(); + + xhr.onreadystatechange = function() { + if (this.readyState == 4) { + if (method == "HEAD") { + assert.equal("", this.responseText); + } else { + assert.equal("Hello World", this.responseText); + } + + curMethod++; + + if (curMethod < methods.length) { + console.log("Testing " + methods[curMethod]); + start(methods[curMethod]); + } + } + }; + + var url = "http://localhost:8000/" + method; + xhr.open(method, url); + xhr.send(); +} + +console.log("Testing " + methods[curMethod]); +start(methods[curMethod]); diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-request-protocols.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-request-protocols.js new file mode 100644 index 00000000..f745cb82 --- /dev/null +++ b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-request-protocols.js @@ -0,0 +1,32 @@ +var sys = require("util") + , assert = require("assert") + , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest + , xhr; + +xhr = new XMLHttpRequest(); + +xhr.onreadystatechange = function() { + if (this.readyState == 4) { + assert.equal("Hello World", this.responseText); + runSync(); + } +}; + +// Async +var url = "file://" + __dirname + "/testdata.txt"; +xhr.open("GET", url); +xhr.send(); + +// Sync +var runSync = function() { + xhr = new XMLHttpRequest(); + + xhr.onreadystatechange = function() { + if (this.readyState == 4) { + assert.equal("Hello World", this.responseText); + console.log("done"); + } + }; + xhr.open("GET", url, false); + xhr.send(); +} diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/testdata.txt b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/testdata.txt new file mode 100644 index 00000000..5e1c309d --- /dev/null +++ b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/testdata.txt @@ -0,0 +1 @@ +Hello World \ No newline at end of file diff --git a/examples/axum-echo/package-lock.json b/examples/axum-echo/package-lock.json new file mode 100644 index 00000000..67bf531d --- /dev/null +++ b/examples/axum-echo/package-lock.json @@ -0,0 +1,116 @@ +{ + "name": "axum-echo", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "axum-echo", + "version": "1.0.0", + "license": "ISC", + "dependencies": { + "socket.io-client": "^4.7.4" + } + }, + "node_modules/@socket.io/component-emitter": { + "version": "3.1.0", + "resolved": "https://registry.npmjs.org/@socket.io/component-emitter/-/component-emitter-3.1.0.tgz", + "integrity": "sha512-+9jVqKhRSpsc591z5vX+X5Yyw+he/HCB4iQ/RYxw35CEPaY1gnsNE43nf9n9AaYjAQrTiI/mOwKUKdUs9vf7Xg==" + }, + "node_modules/debug": { + "version": "4.3.4", + "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz", + "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==", + "dependencies": { + "ms": "2.1.2" + }, + "engines": { + "node": ">=6.0" + }, + "peerDependenciesMeta": { + "supports-color": { + "optional": true + } + } + }, + "node_modules/engine.io-client": { + "version": "6.5.3", + "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-6.5.3.tgz", + "integrity": "sha512-9Z0qLB0NIisTRt1DZ/8U2k12RJn8yls/nXMZLn+/N8hANT3TcYjKFKcwbw5zFQiN4NTde3TSY9zb79e1ij6j9Q==", + "dependencies": { + "@socket.io/component-emitter": "~3.1.0", + "debug": "~4.3.1", + "engine.io-parser": "~5.2.1", + "ws": "~8.11.0", + "xmlhttprequest-ssl": "~2.0.0" + } + }, + "node_modules/engine.io-parser": { + "version": "5.2.1", + "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.2.1.tgz", + "integrity": "sha512-9JktcM3u18nU9N2Lz3bWeBgxVgOKpw7yhRaoxQA3FUDZzzw+9WlA6p4G4u0RixNkg14fH7EfEc/RhpurtiROTQ==", + "engines": { + "node": ">=10.0.0" + } + }, + "node_modules/ms": { + "version": "2.1.2", + "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz", + "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==" + }, + "node_modules/socket.io-client": { + "version": "4.7.4", + "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.7.4.tgz", + "integrity": "sha512-wh+OkeF0rAVCrABWQBaEjLfb7DVPotMbu0cgWgyR0v6eA4EoVnAwcIeIbcdTE3GT/H3kbdLl7OoH2+asoDRIIg==", + "dependencies": { + "@socket.io/component-emitter": "~3.1.0", + "debug": "~4.3.2", + "engine.io-client": "~6.5.2", + "socket.io-parser": "~4.2.4" + }, + "engines": { + "node": ">=10.0.0" + } + }, + "node_modules/socket.io-parser": { + "version": "4.2.4", + "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.4.tgz", + "integrity": "sha512-/GbIKmo8ioc+NIWIhwdecY0ge+qVBSMdgxGygevmdHj24bsfgtCmcUUcQ5ZzcylGFHsN3k4HB4Cgkl96KVnuew==", + "dependencies": { + "@socket.io/component-emitter": "~3.1.0", + "debug": "~4.3.1" + }, + "engines": { + "node": ">=10.0.0" + } + }, + "node_modules/ws": { + "version": "8.11.0", + "resolved": "https://registry.npmjs.org/ws/-/ws-8.11.0.tgz", + "integrity": "sha512-HPG3wQd9sNQoT9xHyNCXoDUa+Xw/VevmY9FoHyQ+g+rrMn4j6FB4np7Z0OhdTgjx6MgQLK7jwSy1YecU1+4Asg==", + "engines": { + "node": ">=10.0.0" + }, + "peerDependencies": { + "bufferutil": "^4.0.1", + "utf-8-validate": "^5.0.2" + }, + "peerDependenciesMeta": { + "bufferutil": { + "optional": true + }, + "utf-8-validate": { + "optional": true + } + } + }, + "node_modules/xmlhttprequest-ssl": { + "version": "2.0.0", + "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-2.0.0.tgz", + "integrity": "sha512-QKxVRxiRACQcVuQEYFsI1hhkrMlrXHPegbbd1yn9UHOmRxY+si12nQYzri3vbzt8VdTTRviqcKxcyllFas5z2A==", + "engines": { + "node": ">=0.4.0" + } + } + } +} diff --git a/examples/axum-echo/package.json b/examples/axum-echo/package.json new file mode 100644 index 00000000..8926ac5a --- /dev/null +++ b/examples/axum-echo/package.json @@ -0,0 +1,16 @@ +{ + "name": "axum-echo", + "version": "1.0.0", + "description": "", + "main": "index.js", + "scripts": { + "test": "echo \"Error: no test specified\" && exit 1", + "start": "node index.js" + }, + "type": "module", + "author": "", + "license": "ISC", + "dependencies": { + "socket.io-client": "^4.7.4" + } +} diff --git a/examples/axum-echo/parser.js b/examples/axum-echo/parser.js new file mode 100644 index 00000000..299d04cb --- /dev/null +++ b/examples/axum-echo/parser.js @@ -0,0 +1,20 @@ +import { Encoder as SioEncoder, Decoder as SioDecoder } from "socket.io-parser"; + +class Encoder extends SioEncoder { + encode(packet) { + // const packets = super.encode(packet); + // console.log("->", packets) + // return packets; + + return ['51-["baz",{"_placeholder":true,"num":0}]', new Uint8Array([0,1,2,3,4,5,7,8,5,3]).buffer] + } +} + +class Decoder extends SioDecoder { + add(obj) { + console.log("<-", obj); + return super.add(obj); + } +} + +export default { Encoder, Decoder } \ No newline at end of file diff --git a/examples/chat/src/main.rs b/examples/chat/src/main.rs index 909194a4..b609990b 100644 --- a/examples/chat/src/main.rs +++ b/examples/chat/src/main.rs @@ -1,14 +1,12 @@ use std::sync::atomic::AtomicUsize; use serde::{Deserialize, Serialize}; -use socketioxide::{ - extract::{Data, SocketRef, State}, - SocketIo, -}; +use socketioxide::{extract::{Data, SocketRef, State}, SocketIo}; use tower::ServiceBuilder; use tower_http::{cors::CorsLayer, services::ServeDir}; use tracing::info; use tracing_subscriber::FmtSubscriber; +use socketioxide::parser::DefaultParser; #[derive(Deserialize, Serialize, Debug, Clone)] #[serde(transparent)] @@ -56,7 +54,10 @@ async fn main() -> Result<(), Box> { info!("Starting server"); - let (layer, io) = SocketIo::builder().with_state(UserCnt::new()).build_layer(); + let (layer, io) = SocketIo::builder() + .with_state(UserCnt::new()) + .with_parser(DefaultParser::default()) + .build_layer(); io.ns("/", |s: SocketRef| { s.on("new message", |s: SocketRef, Data::(msg)| { diff --git a/socketioxide/Cargo.toml b/socketioxide/Cargo.toml index 4900dcc5..1872f46f 100644 --- a/socketioxide/Cargo.toml +++ b/socketioxide/Cargo.toml @@ -26,6 +26,7 @@ thiserror.workspace = true itoa.workspace = true hyper.workspace = true pin-project-lite.workspace = true +dyn-clone = "1.0.16" # Extensions dashmap = { version = "5.4.0", optional = true } diff --git a/socketioxide/src/client.rs b/socketioxide/src/client.rs index 57b932cc..61e032d1 100644 --- a/socketioxide/src/client.rs +++ b/socketioxide/src/client.rs @@ -195,6 +195,7 @@ impl EngineIoHandler for Client { } fn on_message(&self, msg: String, socket: Arc>) { + println!("on_message '{:?}'", msg); #[cfg(feature = "tracing")] tracing::debug!("Received message: {:?}", msg); let packet = match Packet::try_from(msg) { @@ -242,6 +243,7 @@ impl EngineIoHandler for Client { /// /// If the packet is complete, it is propagated to the namespace fn on_binary(&self, data: Vec, socket: Arc>) { + println!("on_binary '{:X?}'", data); if apply_payload_on_packet(data, &socket) { if let Some(packet) = socket.data.partial_bin_packet.lock().unwrap().take() { if let Err(ref err) = self.sock_propagate_packet(packet, socket.id) { diff --git a/socketioxide/src/io.rs b/socketioxide/src/io.rs index 7cf367db..50546ffb 100644 --- a/socketioxide/src/io.rs +++ b/socketioxide/src/io.rs @@ -18,6 +18,7 @@ use crate::{ service::SocketIoService, BroadcastError, DisconnectError, }; +use crate::parser::{DefaultParser, Parser}; /// Configuration for Socket.IO & Engine.IO #[derive(Debug, Clone)] @@ -34,6 +35,9 @@ pub struct SocketIoConfig { /// /// Defaults to 45 seconds. pub connect_timeout: Duration, + + /// A custom parser that encodes and decodes packets + pub parser: Box } impl Default for SocketIoConfig { @@ -45,6 +49,7 @@ impl Default for SocketIoConfig { }, ack_timeout: Duration::from_secs(5), connect_timeout: Duration::from_secs(45), + parser: Box::new(DefaultParser::default()) } } } @@ -56,6 +61,7 @@ pub struct SocketIoBuilder { config: SocketIoConfig, engine_config_builder: EngineIoConfigBuilder, adapter: std::marker::PhantomData, + parser: Box, } impl SocketIoBuilder { @@ -65,6 +71,7 @@ impl SocketIoBuilder { config: SocketIoConfig::default(), engine_config_builder: EngineIoConfigBuilder::new().req_path("/socket.io".to_string()), adapter: std::marker::PhantomData, + parser: Box::new(DefaultParser::default()) } } @@ -152,12 +159,20 @@ impl SocketIoBuilder { self } + /// Sets a custom [`Parser`] for encoding and decoding packets for this [`SocketIoBuilder`]. + /// Can be used to implement a custom protocol. + pub fn with_parser

(mut self, parser: P) -> Self { + self.parser = Box::new(parser); + self + } + /// Sets a custom [`Adapter`] for this [`SocketIoBuilder`] pub fn with_adapter(self) -> SocketIoBuilder { SocketIoBuilder { config: self.config, engine_config_builder: self.engine_config_builder, adapter: std::marker::PhantomData, + parser: self.parser, } } diff --git a/socketioxide/src/lib.rs b/socketioxide/src/lib.rs index 3bee608b..9865addd 100644 --- a/socketioxide/src/lib.rs +++ b/socketioxide/src/lib.rs @@ -264,6 +264,7 @@ pub mod operators; pub mod packet; pub mod service; pub mod socket; +pub mod parser; pub use engineioxide::TransportType; pub use errors::{AckError, AdapterError, BroadcastError, DisconnectError, SendError, SocketError}; diff --git a/socketioxide/src/operators.rs b/socketioxide/src/operators.rs index f6198cc0..8693e30b 100644 --- a/socketioxide/src/operators.rs +++ b/socketioxide/src/operators.rs @@ -463,7 +463,7 @@ impl Operators { } } -#[cfg(feature = "test-utils")] +// #[cfg(feature = "test-utils")] impl Operators { #[allow(dead_code)] pub(crate) fn is_broadcast(&self) -> bool { diff --git a/socketioxide/src/packet.rs b/socketioxide/src/packet.rs index d2b31b72..954f1cf9 100644 --- a/socketioxide/src/packet.rs +++ b/socketioxide/src/packet.rs @@ -118,54 +118,6 @@ impl<'a> Packet<'a> { ns: Cow::Borrowed(ns), } } - - /// Get the max size the packet could have when serialized - /// This is used to pre-allocate a buffer for the packet - /// - /// #### Disclaimer: The size does not include serialized `Value` size - fn get_size_hint(&self) -> usize { - use PacketData::*; - const PACKET_INDEX_SIZE: usize = 1; - const BINARY_PUNCTUATION_SIZE: usize = 2; - const ACK_PUNCTUATION_SIZE: usize = 1; - const NS_PUNCTUATION_SIZE: usize = 1; - - let data_size = match &self.inner { - Connect(Some(data)) => data.len(), - Connect(None) => 0, - Disconnect => 0, - Event(_, _, Some(ack)) => { - ack.checked_ilog10().unwrap_or(0) as usize + ACK_PUNCTUATION_SIZE - } - Event(_, _, None) => 0, - BinaryEvent(_, bin, None) => { - bin.payload_count.checked_ilog10().unwrap_or(0) as usize + BINARY_PUNCTUATION_SIZE - } - BinaryEvent(_, bin, Some(ack)) => { - ack.checked_ilog10().unwrap_or(0) as usize - + bin.payload_count.checked_ilog10().unwrap_or(0) as usize - + ACK_PUNCTUATION_SIZE - + BINARY_PUNCTUATION_SIZE - } - EventAck(_, ack) => ack.checked_ilog10().unwrap_or(0) as usize + ACK_PUNCTUATION_SIZE, - BinaryAck(bin, ack) => { - ack.checked_ilog10().unwrap_or(0) as usize - + bin.payload_count.checked_ilog10().unwrap_or(0) as usize - + ACK_PUNCTUATION_SIZE - + BINARY_PUNCTUATION_SIZE - } - ConnectError => 31, - }; - - let nsp_size = if self.ns == "/" { - 0 - } else if self.ns.starts_with('/') { - self.ns.len() + NS_PUNCTUATION_SIZE - } else { - self.ns.len() + NS_PUNCTUATION_SIZE + 1 // (1 for the leading slash) - }; - data_size + nsp_size + PACKET_INDEX_SIZE - } } /// | Type | ID | Usage | @@ -304,96 +256,7 @@ impl<'a> From> for String { fn from(mut packet: Packet<'a>) -> String { use PacketData::*; - // Serialize the data if there is any - // pre-serializing allows to preallocate the buffer - let data = match &mut packet.inner { - Event(e, data, _) | BinaryEvent(e, BinaryPacket { data, .. }, _) => { - // Expand the packet if it is an array with data -> ["event", ...data] - let packet = match data { - Value::Array(ref mut v) if !v.is_empty() => { - v.insert(0, Value::String((*e).to_string())); - serde_json::to_string(&v) - } - Value::Array(_) => serde_json::to_string::<(_, [(); 0])>(&(e, [])), - _ => serde_json::to_string(&(e, data)), - } - .unwrap(); - Some(packet) - } - EventAck(data, _) | BinaryAck(BinaryPacket { data, .. }, _) => { - // Enforce that the packet is an array -> [data] - let packet = match data { - Value::Array(_) => serde_json::to_string(&data), - Value::Null => Ok("[]".to_string()), - _ => serde_json::to_string(&[data]), - } - .unwrap(); - Some(packet) - } - _ => None, - }; - - let capacity = packet.get_size_hint() + data.as_ref().map(|d| d.len()).unwrap_or(0); - let mut res = String::with_capacity(capacity); - res.push(packet.inner.index()); - - // Add the ns if it is not the default one and the packet is not binary - // In case of bin packet, we should first add the payload count before ns - let push_nsp = |res: &mut String| { - if !packet.ns.is_empty() && packet.ns != "/" { - if !packet.ns.starts_with('/') { - res.push('/'); - } - res.push_str(&packet.ns); - res.push(','); - } - }; - - if !packet.inner.is_binary() { - push_nsp(&mut res); - } - - let mut itoa_buf = itoa::Buffer::new(); - - match packet.inner { - PacketData::Connect(Some(data)) => res.push_str(&data), - PacketData::Disconnect | PacketData::Connect(None) => (), - PacketData::Event(_, _, ack) => { - if let Some(ack) = ack { - res.push_str(itoa_buf.format(ack)); - } - - res.push_str(&data.unwrap()) - } - PacketData::EventAck(_, ack) => { - res.push_str(itoa_buf.format(ack)); - res.push_str(&data.unwrap()) - } - PacketData::ConnectError => res.push_str("{\"message\":\"Invalid namespace\"}"), - PacketData::BinaryEvent(_, bin, ack) => { - res.push_str(itoa_buf.format(bin.payload_count)); - res.push('-'); - - push_nsp(&mut res); - - if let Some(ack) = ack { - res.push_str(itoa_buf.format(ack)); - } - - res.push_str(&data.unwrap()) - } - PacketData::BinaryAck(packet, ack) => { - res.push_str(itoa_buf.format(packet.payload_count)); - res.push('-'); - - push_nsp(&mut res); - - res.push_str(itoa_buf.format(ack)); - res.push_str(&data.unwrap()) - } - }; - - res + "".to_string() } } diff --git a/socketioxide/src/parser.rs b/socketioxide/src/parser.rs new file mode 100644 index 00000000..1ecb172a --- /dev/null +++ b/socketioxide/src/parser.rs @@ -0,0 +1,194 @@ +use std::fmt::{Debug, Formatter}; +use dyn_clone::DynClone; +use futures::AsyncReadExt; +use serde_json::Value; +use crate::packet::{BinaryPacket, Packet, PacketData}; +use crate::packet::PacketData::{BinaryAck, BinaryEvent, ConnectError, Disconnect, Event, EventAck}; + +pub enum Emittable { + String(String), + Binary(Vec) +} + +pub trait Parser: DynClone + Send + Sync + 'static { + fn encode(&self, packet: Packet) -> Vec; + fn decode_msg(&self, msg: String); + fn decode_bin(&self, bin: Vec); +} + +dyn_clone::clone_trait_object!(Parser); + +impl Debug for dyn Parser { + fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result { + write!(f, "Parser()") + } +} + +#[derive(Clone, Default)] +pub struct DefaultParser; + +impl DefaultParser { + /// Get the max size the packet could have when serialized + /// This is used to pre-allocate a buffer for the packet + /// + /// #### Disclaimer: The size does not include serialized `Value` size + fn get_size_hint(packet: &Packet) -> usize { + use PacketData::*; + const PACKET_INDEX_SIZE: usize = 1; + const BINARY_PUNCTUATION_SIZE: usize = 2; + const ACK_PUNCTUATION_SIZE: usize = 1; + const NS_PUNCTUATION_SIZE: usize = 1; + + let data_size = match &packet.inner { + Connect(Some(data)) => data.len(), + Connect(None) => 0, + Disconnect => 0, + Event(_, _, Some(ack)) => { + ack.checked_ilog10().unwrap_or(0) as usize + ACK_PUNCTUATION_SIZE + } + Event(_, _, None) => 0, + BinaryEvent(_, bin, None) => { + bin.payload_count.checked_ilog10().unwrap_or(0) as usize + BINARY_PUNCTUATION_SIZE + } + BinaryEvent(_, bin, Some(ack)) => { + ack.checked_ilog10().unwrap_or(0) as usize + + bin.payload_count.checked_ilog10().unwrap_or(0) as usize + + ACK_PUNCTUATION_SIZE + + BINARY_PUNCTUATION_SIZE + } + EventAck(_, ack) => ack.checked_ilog10().unwrap_or(0) as usize + ACK_PUNCTUATION_SIZE, + BinaryAck(bin, ack) => { + ack.checked_ilog10().unwrap_or(0) as usize + + bin.payload_count.checked_ilog10().unwrap_or(0) as usize + + ACK_PUNCTUATION_SIZE + + BINARY_PUNCTUATION_SIZE + } + ConnectError => 31, + }; + + let nsp_size = if packet.ns == "/" { + 0 + } else if packet.ns.starts_with('/') { + packet.ns.len() + NS_PUNCTUATION_SIZE + } else { + packet.ns.len() + NS_PUNCTUATION_SIZE + 1 // (1 for the leading slash) + }; + data_size + nsp_size + PACKET_INDEX_SIZE + } +} + +impl Parser for DefaultParser { + fn encode(&self, mut packet: Packet) -> Vec { + let bin_payloads = match packet.inner { + PacketData::BinaryEvent(_, ref mut bin, _) | PacketData::BinaryAck(ref mut bin, _) => { + std::mem::take(&mut bin.bin) + } + _ => vec![], + }; + + let bin_payloads = bin_payloads.iter() + .map(|payload| Emittable::Binary(payload.clone())) + .collect::>(); + + // Serialize the data if there is any + // pre-serializing allows to preallocate the buffer + let data = match &mut packet.inner { + Event(e, data, _) | BinaryEvent(e, BinaryPacket { data, .. }, _) => { + // Expand the packet if it is an array with data -> ["event", ...data] + let packet = match data { + Value::Array(ref mut v) if !v.is_empty() => { + v.insert(0, Value::String((*e).to_string())); + serde_json::to_string(&v) + } + Value::Array(_) => serde_json::to_string::<(_, [(); 0])>(&(e, [])), + _ => serde_json::to_string(&(e, data)), + } + .unwrap(); + Some(packet) + } + EventAck(data, _) | BinaryAck(BinaryPacket { data, .. }, _) => { + // Enforce that the packet is an array -> [data] + let packet = match data { + Value::Array(_) => serde_json::to_string(&data), + Value::Null => Ok("[]".to_string()), + _ => serde_json::to_string(&[data]), + } + .unwrap(); + Some(packet) + } + _ => None, + }; + + let capacity = packet.get_size_hint() + data.as_ref().map(|d| d.len()).unwrap_or(0); + let mut res = String::with_capacity(capacity); + res.push(packet.inner.index()); + + // Add the ns if it is not the default one and the packet is not binary + // In case of bin packet, we should first add the payload count before ns + let push_nsp = |res: &mut String| { + if !packet.ns.is_empty() && packet.ns != "/" { + if !packet.ns.starts_with('/') { + res.push('/'); + } + res.push_str(&packet.ns); + res.push(','); + } + }; + + if !packet.inner.is_binary() { + push_nsp(&mut res); + } + + let mut itoa_buf = itoa::Buffer::new(); + + match packet.inner { + PacketData::Connect(Some(data)) => res.push_str(&data), + PacketData::Disconnect | PacketData::Connect(None) => (), + PacketData::Event(_, _, ack) => { + if let Some(ack) = ack { + res.push_str(itoa_buf.format(ack)); + } + + res.push_str(&data.unwrap()) + } + PacketData::EventAck(_, ack) => { + res.push_str(itoa_buf.format(ack)); + res.push_str(&data.unwrap()) + } + PacketData::ConnectError => res.push_str("{\"message\":\"Invalid namespace\"}"), + PacketData::BinaryEvent(_, bin, ack) => { + res.push_str(itoa_buf.format(bin.payload_count)); + res.push('-'); + + push_nsp(&mut res); + + if let Some(ack) = ack { + res.push_str(itoa_buf.format(ack)); + } + + res.push_str(&data.unwrap()) + } + PacketData::BinaryAck(packet, ack) => { + res.push_str(itoa_buf.format(packet.payload_count)); + res.push('-'); + + push_nsp(&mut res); + + res.push_str(itoa_buf.format(ack)); + res.push_str(&data.unwrap()) + } + }; + + return vec![Emittable::String(res)].into_iter() + .chain(bin_payloads.into_iter()) + .collect(); + } + + fn decode_msg(&self, msg: String) { + + } + + fn decode_bin(&self, bin: Vec) { + + } +} \ No newline at end of file diff --git a/socketioxide/src/socket.rs b/socketioxide/src/socket.rs index 46f511c2..4eca930c 100644 --- a/socketioxide/src/socket.rs +++ b/socketioxide/src/socket.rs @@ -39,6 +39,7 @@ use crate::{ }; pub use engineioxide::sid::Sid; +use crate::parser::Emittable; /// All the possible reasons for a [`Socket`] to be disconnected from a namespace. /// @@ -573,18 +574,14 @@ impl Socket { } pub(crate) fn send(&self, mut packet: Packet<'_>) -> Result<(), SocketError> { - let bin_payloads = match packet.inner { - PacketData::BinaryEvent(_, ref mut bin, _) | PacketData::BinaryAck(ref mut bin, _) => { - Some(std::mem::take(&mut bin.bin)) - } - _ => None, - }; + let config = &self.config.parser; + + let packets = config.encode(packet); - let msg = packet.into(); - self.esocket.emit(msg)?; - if let Some(bin_payloads) = bin_payloads { - for bin in bin_payloads { - self.esocket.emit_binary(bin)?; + for packet in packets { + match packet { + Emittable::String(msg) => { self.esocket.emit(msg); } + Emittable::Binary(bin) => { self.esocket.emit_binary(bin); } } } From 7710d6ef6af44c6b038c876ea34bb4842aabd6a7 Mon Sep 17 00:00:00 2001 From: Fabian Hummel Date: Tue, 16 Jan 2024 10:34:53 +0100 Subject: [PATCH 2/4] finished first prototype of custom packet paring --- .idea/workspace.xml | 127 ++++--- examples/axum-echo/axum_echo.rs | 10 +- examples/axum-echo/index.js | 2 +- socketioxide/src/client.rs | 39 +-- socketioxide/src/io.rs | 5 +- socketioxide/src/packet.rs | 519 +--------------------------- socketioxide/src/parser.rs | 589 +++++++++++++++++++++++++++++++- 7 files changed, 684 insertions(+), 607 deletions(-) diff --git a/.idea/workspace.xml b/.idea/workspace.xml index c0ba5417..ccfbabce 100644 --- a/.idea/workspace.xml +++ b/.idea/workspace.xml @@ -15,21 +15,13 @@ - - - - - - - - - + + + - - - + - { - "keyToString": { - "ASKED_ADD_EXTERNAL_FILES": "true", - "ASKED_SHARE_PROJECT_CONFIGURATION_FILES": "true", - "Cargo.Build `Run socketio-chat`.executor": "Run", - "Cargo.Build `Test socketioxide`.executor": "Run", - "Cargo.Run angular-todomvc.executor": "Run", - "Cargo.Run axum-echo.executor": "Run", - "Cargo.Run basic-crud-application.executor": "Run", - "Cargo.Run socketio-chat.executor": "Run", - "Cargo.Test packet::test::packet_decode_connect.executor": "Run", - "Cargo.Test socketioxide.executor": "Run", - "RunOnceActivity.OpenProjectViewOnStart": "true", - "RunOnceActivity.ShowReadmeOnStart": "true", - "ShowUsagesActions.previewPropertyKey": "true", - "git-widget-placeholder": "ft-custom-parser", - "last_opened_file_path": "/Users/fabian/Documents/Projects/Rust/socketioxide/socketioxide/src", - "node.js.detected.package.eslint": "true", - "node.js.detected.package.tslint": "true", - "node.js.selected.package.eslint": "(autodetect)", - "node.js.selected.package.tslint": "(autodetect)", - "nodejs_package_manager_path": "npm", - "org.rust.cargo.project.model.PROJECT_DISCOVERY": "true", - "ts.external.directory.path": "/Users/fabian/Applications/RustRover.app/Contents/plugins/javascript-impl/jsLanguageServicesImpl/external", - "vue.rearranger.settings.migration": "true" + +}]]> @@ -339,6 +334,57 @@ diff --git a/examples/axum-echo/axum_echo.rs b/examples/axum-echo/axum_echo.rs index 449275d8..f66bba69 100644 --- a/examples/axum-echo/axum_echo.rs +++ b/examples/axum-echo/axum_echo.rs @@ -1,11 +1,9 @@ use axum::routing::get; use serde_json::Value; -use socketioxide::{ - extract::{AckSender, Bin, Data, SocketRef}, - SocketIo, -}; +use socketioxide::{extract::{AckSender, Bin, Data, SocketRef}, SocketIo, SocketIoBuilder}; use tracing::info; use tracing_subscriber::FmtSubscriber; +use socketioxide::parser::MsgpackParser; fn on_connect(socket: SocketRef, Data(data): Data) { info!("Socket.IO connected: {:?} {:?}", socket.ns(), socket.id); @@ -32,7 +30,9 @@ fn on_connect(socket: SocketRef, Data(data): Data) { async fn main() -> Result<(), Box> { tracing::subscriber::set_global_default(FmtSubscriber::default())?; - let (layer, io) = SocketIo::new_layer(); + let (layer, io) = SocketIoBuilder::new() + .with_parser(MsgpackParser::default()) + .build_layer(); io.ns("/", on_connect); io.ns("/custom", on_connect); diff --git a/examples/axum-echo/index.js b/examples/axum-echo/index.js index 78c83e4a..d6f5f31c 100644 --- a/examples/axum-echo/index.js +++ b/examples/axum-echo/index.js @@ -3,7 +3,7 @@ import parser from "./parser.js"; const enc = new TextEncoder(); const socket = io(`ws://127.0.0.1:3000/`, { - // parser: parser + parser: parser }); socket.on("connect", () => { diff --git a/socketioxide/src/client.rs b/socketioxide/src/client.rs index 61e032d1..b946c89c 100644 --- a/socketioxide/src/client.rs +++ b/socketioxide/src/client.rs @@ -195,10 +195,9 @@ impl EngineIoHandler for Client { } fn on_message(&self, msg: String, socket: Arc>) { - println!("on_message '{:?}'", msg); #[cfg(feature = "tracing")] tracing::debug!("Received message: {:?}", msg); - let packet = match Packet::try_from(msg) { + let packet = match self.config.parser.decode_msg(msg, socket.clone()) { Ok(packet) => packet, Err(_e) => { #[cfg(feature = "tracing")] @@ -243,43 +242,19 @@ impl EngineIoHandler for Client { /// /// If the packet is complete, it is propagated to the namespace fn on_binary(&self, data: Vec, socket: Arc>) { - println!("on_binary '{:X?}'", data); - if apply_payload_on_packet(data, &socket) { - if let Some(packet) = socket.data.partial_bin_packet.lock().unwrap().take() { - if let Err(ref err) = self.sock_propagate_packet(packet, socket.id) { - #[cfg(feature = "tracing")] - tracing::debug!( + if let Some(packet) = self.config.parser.decode_bin(data, socket.clone()) { + if let Err(ref err) = self.sock_propagate_packet(packet, socket.id) { + #[cfg(feature = "tracing")] + tracing::debug!( "error while propagating packet to socket {}: {}", socket.id, err ); - if let Some(reason) = err.into() { - socket.close(reason); - } + if let Some(reason) = err.into() { + socket.close(reason); } } } } } -/// Utility that applies an incoming binary payload to a partial binary packet -/// waiting to be filled with all the payloads -/// -/// Returns true if the packet is complete and should be processed -fn apply_payload_on_packet(data: Vec, socket: &EIoSocket) -> bool { - #[cfg(feature = "tracing")] - tracing::debug!("[sid={}] applying payload on packet", socket.id); - if let Some(ref mut packet) = *socket.data.partial_bin_packet.lock().unwrap() { - match packet.inner { - PacketData::BinaryEvent(_, ref mut bin, _) | PacketData::BinaryAck(ref mut bin, _) => { - bin.add_payload(data); - bin.is_complete() - } - _ => unreachable!("partial_bin_packet should only be set for binary packets"), - } - } else { - #[cfg(feature = "tracing")] - tracing::debug!("[sid={}] socket received unexpected bin data", socket.id); - false - } -} diff --git a/socketioxide/src/io.rs b/socketioxide/src/io.rs index 50546ffb..94c91507 100644 --- a/socketioxide/src/io.rs +++ b/socketioxide/src/io.rs @@ -61,7 +61,6 @@ pub struct SocketIoBuilder { config: SocketIoConfig, engine_config_builder: EngineIoConfigBuilder, adapter: std::marker::PhantomData, - parser: Box, } impl SocketIoBuilder { @@ -71,7 +70,6 @@ impl SocketIoBuilder { config: SocketIoConfig::default(), engine_config_builder: EngineIoConfigBuilder::new().req_path("/socket.io".to_string()), adapter: std::marker::PhantomData, - parser: Box::new(DefaultParser::default()) } } @@ -162,7 +160,7 @@ impl SocketIoBuilder { /// Sets a custom [`Parser`] for encoding and decoding packets for this [`SocketIoBuilder`]. /// Can be used to implement a custom protocol. pub fn with_parser

(mut self, parser: P) -> Self { - self.parser = Box::new(parser); + self.config.parser = Box::new(parser); self } @@ -172,7 +170,6 @@ impl SocketIoBuilder { config: self.config, engine_config_builder: self.engine_config_builder, adapter: std::marker::PhantomData, - parser: self.parser, } } diff --git a/socketioxide/src/packet.rs b/socketioxide/src/packet.rs index 954f1cf9..0d32e538 100644 --- a/socketioxide/src/packet.rs +++ b/socketioxide/src/packet.rs @@ -155,22 +155,10 @@ pub struct BinaryPacket { /// Binary payload pub bin: Vec>, /// The number of expected payloads (used when receiving data) - payload_count: usize, + /* todo: remove pub */ pub payload_count: usize, } impl<'a> PacketData<'a> { - fn index(&self) -> char { - match self { - PacketData::Connect(_) => '0', - PacketData::Disconnect => '1', - PacketData::Event(_, _, _) => '2', - PacketData::EventAck(_, _) => '3', - PacketData::ConnectError => '4', - PacketData::BinaryEvent(_, _, _) => '5', - PacketData::BinaryAck(_, _) => '6', - } - } - /// Set the ack id for the packet /// It will only set the ack id for the packets that support it pub(crate) fn set_ack_id(&mut self, ack_id: i64) { @@ -260,511 +248,8 @@ impl<'a> From> for String { } } -/// Deserialize an event packet from a string, formated as: -/// ```text -/// ["", ...] -/// ``` -fn deserialize_event_packet(data: &str) -> Result<(String, Value), Error> { - #[cfg(feature = "tracing")] - tracing::debug!("Deserializing event packet: {:?}", data); - let packet = match serde_json::from_str::(data)? { - Value::Array(packet) => packet, - _ => return Err(Error::InvalidEventName), - }; - - let event = packet - .first() - .ok_or(Error::InvalidEventName)? - .as_str() - .ok_or(Error::InvalidEventName)? - .to_string(); - let payload = Value::from_iter(packet.into_iter().skip(1)); - Ok((event, payload)) -} - -fn deserialize_packet(data: &str) -> Result, serde_json::Error> { - #[cfg(feature = "tracing")] - tracing::debug!("Deserializing packet: {:?}", data); - let packet = if data.is_empty() { - None - } else { - Some(serde_json::from_str(data)?) - }; - Ok(packet) -} - -/// Deserialize a packet from a string -/// The string should be in the format of: -/// ```text -/// [<# of binary attachments>-][,][][JSON-stringified payload without binary] -/// + binary attachments extracted -/// ``` -impl<'a> TryFrom for Packet<'a> { - type Error = Error; - - fn try_from(value: String) -> Result { - // It is possible to parse the packet from a byte slice because separators are only ASCII - let chars = value.as_bytes(); - let mut i = 1; - let index = (b'0'..=b'6') - .contains(&chars[0]) - .then_some(chars[0]) - .ok_or(Error::InvalidPacketType)?; - - // Move the cursor to skip the payload count if it is a binary packet - if index == b'5' || index == b'6' { - while chars.get(i) != Some(&b'-') { - i += 1; - } - i += 1; - } - - let start_index = i; - // Custom nsps will start with a slash - let ns = if chars.get(i) == Some(&b'/') { - loop { - match chars.get(i) { - Some(b',') => { - i += 1; - break Cow::Owned(value[start_index..i - 1].to_string()); - } - // It maybe possible depending on clients that ns does not end with a comma - // if it is the end of the packet - // e.g `1/custom` - None => { - break Cow::Owned(value[start_index..i].to_string()); - } - Some(_) => i += 1, - } - } - } else { - Cow::Borrowed("/") - }; - - let start_index = i; - let ack: Option = loop { - match chars.get(i) { - Some(c) if c.is_ascii_digit() => i += 1, - Some(b'[' | b'{') if i > start_index => break value[start_index..i].parse().ok(), - _ => break None, - } - }; - - let data = &value[i..]; - let inner = match index { - b'0' => PacketData::Connect((!data.is_empty()).then(|| data.to_string())), - b'1' => PacketData::Disconnect, - b'2' => { - let (event, payload) = deserialize_event_packet(data)?; - PacketData::Event(event.into(), payload, ack) - } - b'3' => { - let packet = deserialize_packet(data)?.ok_or(Error::InvalidPacketType)?; - PacketData::EventAck(packet, ack.ok_or(Error::InvalidPacketType)?) - } - b'5' => { - let (event, payload) = deserialize_event_packet(data)?; - PacketData::BinaryEvent(event.into(), BinaryPacket::incoming(payload), ack) - } - b'6' => { - let packet = deserialize_packet(data)?.ok_or(Error::InvalidPacketType)?; - PacketData::BinaryAck( - BinaryPacket::incoming(packet), - ack.ok_or(Error::InvalidPacketType)?, - ) - } - _ => return Err(Error::InvalidPacketType), - }; - - Ok(Self { inner, ns }) - } -} - /// Connect packet sent by the client #[derive(Debug, Clone, Serialize, Deserialize)] pub struct ConnectPacket { - sid: Sid, -} - -#[cfg(test)] -mod test { - use serde_json::json; - - use super::*; - - #[test] - fn packet_decode_connect() { - let sid = Sid::new(); - let payload = format!("0{}", json!({ "sid": sid })); - let packet = Packet::try_from(payload).unwrap(); - - assert_eq!(Packet::connect("/", sid, ProtocolVersion::V5), packet); - - let payload = format!("0/admin™,{}", json!({ "sid": sid })); - let packet = Packet::try_from(payload).unwrap(); - - assert_eq!(Packet::connect("/admin™", sid, ProtocolVersion::V5), packet); - } - - #[test] - fn packet_encode_connect() { - let sid = Sid::new(); - let payload = format!("0{}", json!({ "sid": sid })); - let packet: String = Packet::connect("/", sid, ProtocolVersion::V5) - .try_into() - .unwrap(); - assert_eq!(packet, payload); - - let payload = format!("0/admin™,{}", json!({ "sid": sid })); - let packet: String = Packet::connect("/admin™", sid, ProtocolVersion::V5) - .try_into() - .unwrap(); - assert_eq!(packet, payload); - } - - // Disconnect, - - #[test] - fn packet_decode_disconnect() { - let payload = "1".to_string(); - let packet = Packet::try_from(payload).unwrap(); - assert_eq!(Packet::disconnect("/"), packet); - - let payload = "1/admin™,".to_string(); - let packet = Packet::try_from(payload).unwrap(); - assert_eq!(Packet::disconnect("/admin™"), packet); - } - - #[test] - fn packet_encode_disconnect() { - let payload = "1".to_string(); - let packet: String = Packet::disconnect("/").try_into().unwrap(); - assert_eq!(packet, payload); - - let payload = "1/admin™,".to_string(); - let packet: String = Packet::disconnect("/admin™").try_into().unwrap(); - assert_eq!(packet, payload); - } - - // Event(String, Value, Option), - #[test] - fn packet_decode_event() { - let payload = format!("2{}", json!(["event", { "data": "value" }])); - let packet = Packet::try_from(payload).unwrap(); - - assert_eq!( - Packet::event("/", "event", json!([{"data": "value"}])), - packet - ); - - // Check with ack ID - let payload = format!("21{}", json!(["event", { "data": "value" }])); - let packet = Packet::try_from(payload).unwrap(); - - let mut comparison_packet = Packet::event("/", "event", json!([{"data": "value"}])); - comparison_packet.inner.set_ack_id(1); - assert_eq!(packet, comparison_packet); - - // Check with NS - let payload = format!("2/admin™,{}", json!(["event", { "data": "value™" }])); - let packet = Packet::try_from(payload).unwrap(); - - assert_eq!( - Packet::event("/admin™", "event", json!([{"data": "value™"}])), - packet - ); - - // Check with ack ID and NS - let payload = format!("2/admin™,1{}", json!(["event", { "data": "value™" }])); - let mut packet = Packet::try_from(payload).unwrap(); - packet.inner.set_ack_id(1); - - let mut comparison_packet = Packet::event("/admin™", "event", json!([{"data": "value™"}])); - comparison_packet.inner.set_ack_id(1); - - assert_eq!(packet, comparison_packet); - } - - #[test] - fn packet_encode_event() { - let payload = format!("2{}", json!(["event", { "data": "value™" }])); - let packet: String = Packet::event("/", "event", json!({ "data": "value™" })) - .try_into() - .unwrap(); - - assert_eq!(packet, payload); - - // Encode empty data - let payload = format!("2{}", json!(["event", []])); - let packet: String = Packet::event("/", "event", json!([])).try_into().unwrap(); - - assert_eq!(packet, payload); - - // Encode with ack ID - let payload = format!("21{}", json!(["event", { "data": "value™" }])); - let mut packet = Packet::event("/", "event", json!({ "data": "value™" })); - packet.inner.set_ack_id(1); - let packet: String = packet.try_into().unwrap(); - - assert_eq!(packet, payload); - - // Encode with NS - let payload = format!("2/admin™,{}", json!(["event", { "data": "value™" }])); - let packet: String = Packet::event("/admin™", "event", json!({"data": "value™"})) - .try_into() - .unwrap(); - - assert_eq!(packet, payload); - - // Encode with NS and ack ID - let payload = format!("2/admin™,1{}", json!(["event", { "data": "value™" }])); - let mut packet = Packet::event("/admin™", "event", json!([{"data": "value™"}])); - packet.inner.set_ack_id(1); - let packet: String = packet.try_into().unwrap(); - assert_eq!(packet, payload); - } - - // EventAck(Value, i64), - #[test] - fn packet_decode_event_ack() { - let payload = "354[\"data\"]".to_string(); - let packet = Packet::try_from(payload).unwrap(); - - assert_eq!(Packet::ack("/", json!(["data"]), 54), packet); - - let payload = "3/admin™,54[\"data\"]".to_string(); - let packet = Packet::try_from(payload).unwrap(); - - assert_eq!(Packet::ack("/admin™", json!(["data"]), 54), packet); - } - - #[test] - fn packet_encode_event_ack() { - let payload = "354[\"data\"]".to_string(); - let packet: String = Packet::ack("/", json!("data"), 54).try_into().unwrap(); - assert_eq!(packet, payload); - - let payload = "3/admin™,54[\"data\"]".to_string(); - let packet: String = Packet::ack("/admin™", json!("data"), 54) - .try_into() - .unwrap(); - assert_eq!(packet, payload); - } - - #[test] - fn packet_encode_connect_error() { - let payload = format!("4{}", json!({ "message": "Invalid namespace" })); - let packet: String = Packet::invalid_namespace("/").try_into().unwrap(); - assert_eq!(packet, payload); - - let payload = format!("4/admin™,{}", json!({ "message": "Invalid namespace" })); - let packet: String = Packet::invalid_namespace("/admin™").try_into().unwrap(); - assert_eq!(packet, payload); - } - - // BinaryEvent(String, BinaryPacket, Option), - #[test] - fn packet_encode_binary_event() { - let json = json!(["event", { "data": "value™" }, { "_placeholder": true, "num": 0}]); - - let payload = format!("51-{}", json); - let packet: String = - Packet::bin_event("/", "event", json!({ "data": "value™" }), vec![vec![1]]) - .try_into() - .unwrap(); - - assert_eq!(packet, payload); - - // Encode with ack ID - let payload = format!("51-254{}", json); - let mut packet = - Packet::bin_event("/", "event", json!({ "data": "value™" }), vec![vec![1]]); - packet.inner.set_ack_id(254); - let packet: String = packet.try_into().unwrap(); - - assert_eq!(packet, payload); - - // Encode with NS - let payload = format!("51-/admin™,{}", json); - let packet: String = Packet::bin_event( - "/admin™", - "event", - json!([{"data": "value™"}]), - vec![vec![1]], - ) - .try_into() - .unwrap(); - - assert_eq!(packet, payload); - - // Encode with NS and ack ID - let payload = format!("51-/admin™,254{}", json); - let mut packet = Packet::bin_event( - "/admin™", - "event", - json!([{"data": "value™"}]), - vec![vec![1]], - ); - packet.inner.set_ack_id(254); - let packet: String = packet.try_into().unwrap(); - assert_eq!(packet, payload); - } - - #[test] - fn packet_decode_binary_event() { - let json = json!(["event", { "data": "value™" }, { "_placeholder": true, "num": 0}]); - let comparison_packet = |ack, ns: &'static str| Packet { - inner: PacketData::BinaryEvent( - "event".into(), - BinaryPacket { - bin: vec![vec![1]], - data: json!([{"data": "value™"}]), - payload_count: 1, - }, - ack, - ), - ns: ns.into(), - }; - - let payload = format!("51-{}", json); - let mut packet = Packet::try_from(payload).unwrap(); - match packet.inner { - PacketData::BinaryEvent(_, ref mut bin, _) => bin.add_payload(vec![1]), - _ => (), - } - - assert_eq!(packet, comparison_packet(None, "/")); - - // Check with ack ID - let payload = format!("51-254{}", json); - let mut packet = Packet::try_from(payload).unwrap(); - match packet.inner { - PacketData::BinaryEvent(_, ref mut bin, _) => bin.add_payload(vec![1]), - _ => (), - } - - assert_eq!(packet, comparison_packet(Some(254), "/")); - - // Check with NS - let payload = format!("51-/admin™,{}", json); - let mut packet = Packet::try_from(payload).unwrap(); - match packet.inner { - PacketData::BinaryEvent(_, ref mut bin, _) => bin.add_payload(vec![1]), - _ => (), - } - - assert_eq!(packet, comparison_packet(None, "/admin™")); - - // Check with ack ID and NS - let payload = format!("51-/admin™,254{}", json); - let mut packet = Packet::try_from(payload).unwrap(); - match packet.inner { - PacketData::BinaryEvent(_, ref mut bin, _) => bin.add_payload(vec![1]), - _ => (), - } - assert_eq!(packet, comparison_packet(Some(254), "/admin™")); - } - - // BinaryAck(BinaryPacket, i64), - #[test] - fn packet_encode_binary_ack() { - let json = json!([{ "data": "value™" }, { "_placeholder": true, "num": 0}]); - - let payload = format!("61-54{}", json); - let packet: String = Packet::bin_ack("/", json!({ "data": "value™" }), vec![vec![1]], 54) - .try_into() - .unwrap(); - - assert_eq!(packet, payload); - - // Encode with NS - let payload = format!("61-/admin™,54{}", json); - let packet: String = - Packet::bin_ack("/admin™", json!({ "data": "value™" }), vec![vec![1]], 54) - .try_into() - .unwrap(); - - assert_eq!(packet, payload); - } - - #[test] - fn packet_decode_binary_ack() { - let json = json!([{ "data": "value™" }, { "_placeholder": true, "num": 0}]); - let comparison_packet = |ack, ns: &'static str| Packet { - inner: PacketData::BinaryAck( - BinaryPacket { - bin: vec![vec![1]], - data: json!([{"data": "value™"}]), - payload_count: 1, - }, - ack, - ), - ns: ns.into(), - }; - - let payload = format!("61-54{}", json); - let mut packet = Packet::try_from(payload).unwrap(); - match packet.inner { - PacketData::BinaryAck(ref mut bin, _) => bin.add_payload(vec![1]), - _ => (), - } - - assert_eq!(packet, comparison_packet(54, "/")); - - // Check with NS - let payload = format!("61-/admin™,54{}", json); - let mut packet = Packet::try_from(payload).unwrap(); - match packet.inner { - PacketData::BinaryAck(ref mut bin, _) => bin.add_payload(vec![1]), - _ => (), - } - - assert_eq!(packet, comparison_packet(54, "/admin™")); - } - - #[test] - fn packet_size_hint() { - let sid = Sid::new(); - let len = serde_json::to_string(&ConnectPacket { sid }).unwrap().len(); - let packet = Packet::connect("/", sid, ProtocolVersion::V5); - assert_eq!(packet.get_size_hint(), len + 1); - - let packet = Packet::connect("/admin", sid, ProtocolVersion::V5); - assert_eq!(packet.get_size_hint(), len + 8); - - let packet = Packet::connect("admin", sid, ProtocolVersion::V4); - assert_eq!(packet.get_size_hint(), 8); - - let packet = Packet::disconnect("/"); - assert_eq!(packet.get_size_hint(), 1); - - let packet = Packet::disconnect("/admin"); - assert_eq!(packet.get_size_hint(), 8); - - let packet = Packet::event("/", "event", json!({ "data": "value™" })); - assert_eq!(packet.get_size_hint(), 1); - - let packet = Packet::event("/admin", "event", json!({ "data": "value™" })); - assert_eq!(packet.get_size_hint(), 8); - - let packet = Packet::ack("/", json!("data"), 54); - assert_eq!(packet.get_size_hint(), 3); - - let packet = Packet::ack("/admin", json!("data"), 54); - assert_eq!(packet.get_size_hint(), 10); - - let packet = Packet::bin_event("/", "event", json!({ "data": "value™" }), vec![vec![1]]); - assert_eq!(packet.get_size_hint(), 3); - - let packet = Packet::bin_event( - "/admin", - "event", - json!({ "data": "value™" }), - vec![vec![1]], - ); - assert_eq!(packet.get_size_hint(), 10); - - let packet = Packet::bin_ack("/", json!("data"), vec![vec![1]], 54); - assert_eq!(packet.get_size_hint(), 5); - } + pub sid: Sid, } diff --git a/socketioxide/src/parser.rs b/socketioxide/src/parser.rs index 1ecb172a..29a51a48 100644 --- a/socketioxide/src/parser.rs +++ b/socketioxide/src/parser.rs @@ -1,9 +1,17 @@ +use std::borrow::Cow; use std::fmt::{Debug, Formatter}; +use std::sync::Arc; use dyn_clone::DynClone; use futures::AsyncReadExt; +use serde::de::DeserializeOwned; use serde_json::Value; -use crate::packet::{BinaryPacket, Packet, PacketData}; +use engineioxide::sid::Sid; +use engineioxide::Socket as EIoSocket; +use crate::client::SocketData; +use crate::errors::Error; +use crate::packet::{BinaryPacket, ConnectPacket, Packet, PacketData}; use crate::packet::PacketData::{BinaryAck, BinaryEvent, ConnectError, Disconnect, Event, EventAck}; +use crate::ProtocolVersion; pub enum Emittable { String(String), @@ -12,8 +20,16 @@ pub enum Emittable { pub trait Parser: DynClone + Send + Sync + 'static { fn encode(&self, packet: Packet) -> Vec; - fn decode_msg(&self, msg: String); - fn decode_bin(&self, bin: Vec); + /// Decodes a string packet into its general form [`Packet`]. + /// # Returns + /// If [`Ok(Packet)`] is returned, it will be further processed and passed to the receiving namespace if it is a text packet. + /// If [`Err()`] is returned, a serialization error will be thrown and the packet is lost. + fn decode_msg<'a>(&self, msg: String, socket: Arc>) -> Result, Error>; + /// Decodes a binary packet into its general form [`Packet`]. + /// # Returns + /// If [`Some(Packet)`] is returned, it will be immediately passed down to the receiving namespace as a binary packet. + /// If [`None`] is returned, nothing happens, and the logic for e.g. collecting all binary packets need to be implemented in this function. + fn decode_bin<'a>(&self, bin: Vec, socket: Arc>) -> Option>; } dyn_clone::clone_trait_object!(Parser); @@ -32,7 +48,7 @@ impl DefaultParser { /// This is used to pre-allocate a buffer for the packet /// /// #### Disclaimer: The size does not include serialized `Value` size - fn get_size_hint(packet: &Packet) -> usize { + pub(crate) fn get_size_hint(packet: &Packet) -> usize { use PacketData::*; const PACKET_INDEX_SIZE: usize = 1; const BINARY_PUNCTUATION_SIZE: usize = 2; @@ -75,6 +91,52 @@ impl DefaultParser { }; data_size + nsp_size + PACKET_INDEX_SIZE } + + fn index(packet: &PacketData) -> char { + match packet { + PacketData::Connect(_) => '0', + PacketData::Disconnect => '1', + PacketData::Event(_, _, _) => '2', + PacketData::EventAck(_, _) => '3', + PacketData::ConnectError => '4', + PacketData::BinaryEvent(_, _, _) => '5', + PacketData::BinaryAck(_, _) => '6', + } + } + + + /// Deserialize an event packet from a string, formated as: + /// ```text + /// ["", ...] + /// ``` + fn deserialize_event_packet(data: &str) -> Result<(String, Value), Error> { + #[cfg(feature = "tracing")] + tracing::debug!("Deserializing event packet: {:?}", data); + let packet = match serde_json::from_str::(data)? { + Value::Array(packet) => packet, + _ => return Err(Error::InvalidEventName), + }; + + let event = packet + .first() + .ok_or(Error::InvalidEventName)? + .as_str() + .ok_or(Error::InvalidEventName)? + .to_string(); + let payload = Value::from_iter(packet.into_iter().skip(1)); + Ok((event, payload)) + } + + fn deserialize_packet(data: &str) -> Result, serde_json::Error> { + #[cfg(feature = "tracing")] + tracing::debug!("Deserializing packet: {:?}", data); + let packet = if data.is_empty() { + None + } else { + Some(serde_json::from_str(data)?) + }; + Ok(packet) + } } impl Parser for DefaultParser { @@ -119,9 +181,9 @@ impl Parser for DefaultParser { _ => None, }; - let capacity = packet.get_size_hint() + data.as_ref().map(|d| d.len()).unwrap_or(0); + let capacity = Self::get_size_hint(&packet) + data.as_ref().map(|d| d.len()).unwrap_or(0); let mut res = String::with_capacity(capacity); - res.push(packet.inner.index()); + res.push(Self::index(&packet.inner)); // Add the ns if it is not the default one and the packet is not binary // In case of bin packet, we should first add the payload count before ns @@ -184,11 +246,520 @@ impl Parser for DefaultParser { .collect(); } - fn decode_msg(&self, msg: String) { + fn decode_msg<'a>(&self, msg: String, socket: Arc>) -> Result, Error> { + // It is possible to parse the packet from a byte slice because separators are only ASCII + let chars = msg.as_bytes(); + let mut i = 1; + let index = (b'0'..=b'6') + .contains(&chars[0]) + .then_some(chars[0]) + .ok_or(Error::InvalidPacketType)?; + + // Move the cursor to skip the payload count if it is a binary packet + if index == b'5' || index == b'6' { + while chars.get(i) != Some(&b'-') { + i += 1; + } + i += 1; + } + + let start_index = i; + // Custom nsps will start with a slash + let ns = if chars.get(i) == Some(&b'/') { + loop { + match chars.get(i) { + Some(b',') => { + i += 1; + break Cow::Owned(msg[start_index..i - 1].to_string()); + } + // It maybe possible depending on clients that ns does not end with a comma + // if it is the end of the packet + // e.g `1/custom` + None => { + break Cow::Owned(msg[start_index..i].to_string()); + } + Some(_) => i += 1, + } + } + } else { + Cow::Borrowed("/") + }; + + let start_index = i; + let ack: Option = loop { + match chars.get(i) { + Some(c) if c.is_ascii_digit() => i += 1, + Some(b'[' | b'{') if i > start_index => break msg[start_index..i].parse().ok(), + _ => break None, + } + }; + + let data = &msg[i..]; + let inner = match index { + b'0' => PacketData::Connect((!data.is_empty()).then(|| data.to_string())), + b'1' => PacketData::Disconnect, + b'2' => { + let (event, payload) = Self::deserialize_event_packet(data)?; + PacketData::Event(event.into(), payload, ack) + } + b'3' => { + let packet = Self::deserialize_packet(data)?.ok_or(Error::InvalidPacketType)?; + PacketData::EventAck(packet, ack.ok_or(Error::InvalidPacketType)?) + } + b'5' => { + let (event, payload) = Self::deserialize_event_packet(data)?; + PacketData::BinaryEvent(event.into(), BinaryPacket::incoming(payload), ack) + } + b'6' => { + let packet = Self::deserialize_packet(data)?.ok_or(Error::InvalidPacketType)?; + PacketData::BinaryAck( + BinaryPacket::incoming(packet), + ack.ok_or(Error::InvalidPacketType)?, + ) + } + _ => return Err(Error::InvalidPacketType), + }; + + Ok(Packet { inner, ns }) + } + + fn decode_bin<'a>(&self, bin: Vec, socket: Arc>) -> Option> { + #[cfg(feature = "tracing")] + tracing::debug!("[sid={}] applying payload on packet", socket.id); + let is_complete = if let Some(ref mut packet) = *socket.data.partial_bin_packet.lock().unwrap() { + match packet.inner { + PacketData::BinaryEvent(_, ref mut bin_packet, _) | PacketData::BinaryAck(ref mut bin_packet, _) => { + bin_packet.add_payload(bin); + bin_packet.is_complete() + } + _ => unreachable!("partial_bin_packet should only be set for binary packets"), + } + } else { + #[cfg(feature = "tracing")] + tracing::debug!("[sid={}] socket received unexpected bin data", socket.id); + false + }; + + if is_complete { + return socket.data.partial_bin_packet.lock().unwrap().take(); + } + None + } +} + +#[derive(Clone, Default)] +pub struct MsgpackParser; + +impl MsgpackParser { + +} + +impl Parser for MsgpackParser { + fn encode(&self, packet: Packet) -> Vec { + return vec![ + Emittable::Binary(vec![1,2,3,4,5,6]) + ]; + } + + fn decode_msg<'a>(&self, msg: String, socket: Arc>) -> Result, Error> { + println!("rec msg {:?}", msg); + todo!() + } + + fn decode_bin<'a>(&self, bin: Vec, socket: Arc>) -> Option> { + println!("rec bin {:X?}", bin); + todo!() + } +} + +/* +#[cfg(test)] +mod test { + use serde_json::json; + + use super::*; + + #[test] + fn packet_decode_connect() { + let parser = DefaultParser::default(); + let sid = Sid::new(); + let payload = format!("0{}", json!({ "sid": sid })); + let packet = parser.decode_msg(payload).unwrap(); + + assert_eq!(Packet::connect("/", sid, ProtocolVersion::V5), packet); + + let payload = format!("0/admin™,{}", json!({ "sid": sid })); + let packet = parser.decode_msg(payload).unwrap(); + assert_eq!(Packet::connect("/admin™", sid, ProtocolVersion::V5), packet); } - fn decode_bin(&self, bin: Vec) { + #[test] + fn packet_encode_connect() { + let sid = Sid::new(); + let payload = format!("0{}", json!({ "sid": sid })); + let packet: String = Packet::connect("/", sid, ProtocolVersion::V5) + .try_into() + .unwrap(); + assert_eq!(packet, payload); + let payload = format!("0/admin™,{}", json!({ "sid": sid })); + let packet: String = Packet::connect("/admin™", sid, ProtocolVersion::V5) + .try_into() + .unwrap(); + assert_eq!(packet, payload); } -} \ No newline at end of file + + // Disconnect, + + #[test] + fn packet_decode_disconnect() { + let parser = DefaultParser::default(); + let payload = "1".to_string(); + let packet = parser.decode_msg(payload).unwrap(); + assert_eq!(Packet::disconnect("/"), packet); + + let payload = "1/admin™,".to_string(); + let packet = parser.decode_msg(payload).unwrap(); + assert_eq!(Packet::disconnect("/admin™"), packet); + } + + #[test] + fn packet_encode_disconnect() { + let payload = "1".to_string(); + let packet: String = Packet::disconnect("/").try_into().unwrap(); + assert_eq!(packet, payload); + + let payload = "1/admin™,".to_string(); + let packet: String = Packet::disconnect("/admin™").try_into().unwrap(); + assert_eq!(packet, payload); + } + + // Event(String, Value, Option), + #[test] + fn packet_decode_event() { + let parser = DefaultParser::default(); + let payload = format!("2{}", json!(["event", { "data": "value" }])); + let packet = parser.decode_msg(payload).unwrap(); + + assert_eq!( + Packet::event("/", "event", json!([{"data": "value"}])), + packet + ); + + // Check with ack ID + let payload = format!("21{}", json!(["event", { "data": "value" }])); + let packet = parser.decode_msg(payload).unwrap(); + + let mut comparison_packet = Packet::event("/", "event", json!([{"data": "value"}])); + comparison_packet.inner.set_ack_id(1); + assert_eq!(packet, comparison_packet); + + // Check with NS + let payload = format!("2/admin™,{}", json!(["event", { "data": "value™" }])); + let packet = parser.decode_msg(payload).unwrap(); + + assert_eq!( + Packet::event("/admin™", "event", json!([{"data": "value™"}])), + packet + ); + + // Check with ack ID and NS + let payload = format!("2/admin™,1{}", json!(["event", { "data": "value™" }])); + let mut packet = parser.decode_msg(payload).unwrap(); + packet.inner.set_ack_id(1); + + let mut comparison_packet = Packet::event("/admin™", "event", json!([{"data": "value™"}])); + comparison_packet.inner.set_ack_id(1); + + assert_eq!(packet, comparison_packet); + } + + #[test] + fn packet_encode_event() { + let payload = format!("2{}", json!(["event", { "data": "value™" }])); + let packet: String = Packet::event("/", "event", json!({ "data": "value™" })) + .try_into() + .unwrap(); + + assert_eq!(packet, payload); + + // Encode empty data + let payload = format!("2{}", json!(["event", []])); + let packet: String = Packet::event("/", "event", json!([])).try_into().unwrap(); + + assert_eq!(packet, payload); + + // Encode with ack ID + let payload = format!("21{}", json!(["event", { "data": "value™" }])); + let mut packet = Packet::event("/", "event", json!({ "data": "value™" })); + packet.inner.set_ack_id(1); + let packet: String = packet.try_into().unwrap(); + + assert_eq!(packet, payload); + + // Encode with NS + let payload = format!("2/admin™,{}", json!(["event", { "data": "value™" }])); + let packet: String = Packet::event("/admin™", "event", json!({"data": "value™"})) + .try_into() + .unwrap(); + + assert_eq!(packet, payload); + + // Encode with NS and ack ID + let payload = format!("2/admin™,1{}", json!(["event", { "data": "value™" }])); + let mut packet = Packet::event("/admin™", "event", json!([{"data": "value™"}])); + packet.inner.set_ack_id(1); + let packet: String = packet.try_into().unwrap(); + assert_eq!(packet, payload); + } + + // EventAck(Value, i64), + #[test] + fn packet_decode_event_ack() { + let parser = DefaultParser::default(); + let payload = "354[\"data\"]".to_string(); + let packet = parser.decode_msg(payload).unwrap(); + + assert_eq!(Packet::ack("/", json!(["data"]), 54), packet); + + let payload = "3/admin™,54[\"data\"]".to_string(); + let packet = parser.decode_msg(payload).unwrap(); + + assert_eq!(Packet::ack("/admin™", json!(["data"]), 54), packet); + } + + #[test] + fn packet_encode_event_ack() { + let payload = "354[\"data\"]".to_string(); + let packet: String = Packet::ack("/", json!("data"), 54).try_into().unwrap(); + assert_eq!(packet, payload); + + let payload = "3/admin™,54[\"data\"]".to_string(); + let packet: String = Packet::ack("/admin™", json!("data"), 54) + .try_into() + .unwrap(); + assert_eq!(packet, payload); + } + + #[test] + fn packet_encode_connect_error() { + let payload = format!("4{}", json!({ "message": "Invalid namespace" })); + let packet: String = Packet::invalid_namespace("/").try_into().unwrap(); + assert_eq!(packet, payload); + + let payload = format!("4/admin™,{}", json!({ "message": "Invalid namespace" })); + let packet: String = Packet::invalid_namespace("/admin™").try_into().unwrap(); + assert_eq!(packet, payload); + } + + // BinaryEvent(String, BinaryPacket, Option), + #[test] + fn packet_encode_binary_event() { + let json = json!(["event", { "data": "value™" }, { "_placeholder": true, "num": 0}]); + + let payload = format!("51-{}", json); + let packet: String = + Packet::bin_event("/", "event", json!({ "data": "value™" }), vec![vec![1]]) + .try_into() + .unwrap(); + + assert_eq!(packet, payload); + + // Encode with ack ID + let payload = format!("51-254{}", json); + let mut packet = + Packet::bin_event("/", "event", json!({ "data": "value™" }), vec![vec![1]]); + packet.inner.set_ack_id(254); + let packet: String = packet.try_into().unwrap(); + + assert_eq!(packet, payload); + + // Encode with NS + let payload = format!("51-/admin™,{}", json); + let packet: String = Packet::bin_event( + "/admin™", + "event", + json!([{"data": "value™"}]), + vec![vec![1]], + ) + .try_into() + .unwrap(); + + assert_eq!(packet, payload); + + // Encode with NS and ack ID + let payload = format!("51-/admin™,254{}", json); + let mut packet = Packet::bin_event( + "/admin™", + "event", + json!([{"data": "value™"}]), + vec![vec![1]], + ); + packet.inner.set_ack_id(254); + let packet: String = packet.try_into().unwrap(); + assert_eq!(packet, payload); + } + + #[test] + fn packet_decode_binary_event() { + let parser = DefaultParser::default(); + let json = json!(["event", { "data": "value™" }, { "_placeholder": true, "num": 0}]); + let comparison_packet = |ack, ns: &'static str| Packet { + inner: PacketData::BinaryEvent( + "event".into(), + BinaryPacket { + bin: vec![vec![1]], + data: json!([{"data": "value™"}]), + payload_count: 1, + }, + ack, + ), + ns: ns.into(), + }; + + let payload = format!("51-{}", json); + let mut packet = parser.decode_msg(payload).unwrap(); + match packet.inner { + PacketData::BinaryEvent(_, ref mut bin, _) => bin.add_payload(vec![1]), + _ => (), + } + + assert_eq!(packet, comparison_packet(None, "/")); + + // Check with ack ID + let payload = format!("51-254{}", json); + let mut packet = parser.decode_msg(payload).unwrap(); + match packet.inner { + PacketData::BinaryEvent(_, ref mut bin, _) => bin.add_payload(vec![1]), + _ => (), + } + + assert_eq!(packet, comparison_packet(Some(254), "/")); + + // Check with NS + let payload = format!("51-/admin™,{}", json); + let mut packet = parser.decode_msg(payload).unwrap(); + match packet.inner { + PacketData::BinaryEvent(_, ref mut bin, _) => bin.add_payload(vec![1]), + _ => (), + } + + assert_eq!(packet, comparison_packet(None, "/admin™")); + + // Check with ack ID and NS + let payload = format!("51-/admin™,254{}", json); + let mut packet = parser.decode_msg(payload).unwrap(); + match packet.inner { + PacketData::BinaryEvent(_, ref mut bin, _) => bin.add_payload(vec![1]), + _ => (), + } + assert_eq!(packet, comparison_packet(Some(254), "/admin™")); + } + + // BinaryAck(BinaryPacket, i64), + #[test] + fn packet_encode_binary_ack() { + let parser = DefaultParser::default(); + let json = json!([{ "data": "value™" }, { "_placeholder": true, "num": 0}]); + + let payload = format!("61-54{}", json); + let packet: String = Packet::bin_ack("/", json!({ "data": "value™" }), vec![vec![1]], 54) + .try_into() + .unwrap(); + + assert_eq!(packet, payload); + + // Encode with NS + let payload = format!("61-/admin™,54{}", json); + let packet: String = + Packet::bin_ack("/admin™", json!({ "data": "value™" }), vec![vec![1]], 54) + .try_into() + .unwrap(); + + assert_eq!(packet, payload); + } + + #[test] + fn packet_decode_binary_ack() { + let parser = DefaultParser::default(); + let json = json!([{ "data": "value™" }, { "_placeholder": true, "num": 0}]); + let comparison_packet = |ack, ns: &'static str| Packet { + inner: PacketData::BinaryAck( + BinaryPacket { + bin: vec![vec![1]], + data: json!([{"data": "value™"}]), + payload_count: 1, + }, + ack, + ), + ns: ns.into(), + }; + + let payload = format!("61-54{}", json); + let mut packet = parser.decode_msg(payload).unwrap(); + match packet.inner { + PacketData::BinaryAck(ref mut bin, _) => bin.add_payload(vec![1]), + _ => (), + } + + assert_eq!(packet, comparison_packet(54, "/")); + + // Check with NS + let payload = format!("61-/admin™,54{}", json); + let mut packet = parser.decode_msg(payload).unwrap(); + match packet.inner { + PacketData::BinaryAck(ref mut bin, _) => bin.add_payload(vec![1]), + _ => (), + } + + assert_eq!(packet, comparison_packet(54, "/admin™")); + } + + #[test] + fn packet_size_hint() { + let sid = Sid::new(); + let len = serde_json::to_string(&ConnectPacket { sid }).unwrap().len(); + let packet = Packet::connect("/", sid, ProtocolVersion::V5); + assert_eq!(DefaultParser::get_size_hint(&packet), len + 1); + + let packet = Packet::connect("/admin", sid, ProtocolVersion::V5); + assert_eq!(DefaultParser::get_size_hint(&packet), len + 8); + + let packet = Packet::connect("admin", sid, ProtocolVersion::V4); + assert_eq!(DefaultParser::get_size_hint(&packet), 8); + + let packet = Packet::disconnect("/"); + assert_eq!(DefaultParser::get_size_hint(&packet), 1); + + let packet = Packet::disconnect("/admin"); + assert_eq!(DefaultParser::get_size_hint(&packet), 8); + + let packet = Packet::event("/", "event", json!({ "data": "value™" })); + assert_eq!(DefaultParser::get_size_hint(&packet), 1); + + let packet = Packet::event("/admin", "event", json!({ "data": "value™" })); + assert_eq!(DefaultParser::get_size_hint(&packet), 8); + + let packet = Packet::ack("/", json!("data"), 54); + assert_eq!(DefaultParser::get_size_hint(&packet), 3); + + let packet = Packet::ack("/admin", json!("data"), 54); + assert_eq!(DefaultParser::get_size_hint(&packet), 10); + + let packet = Packet::bin_event("/", "event", json!({ "data": "value™" }), vec![vec![1]]); + assert_eq!(DefaultParser::get_size_hint(&packet), 3); + + let packet = Packet::bin_event( + "/admin", + "event", + json!({ "data": "value™" }), + vec![vec![1]], + ); + assert_eq!(DefaultParser::get_size_hint(&packet), 10); + + let packet = Packet::bin_ack("/", json!("data"), vec![vec![1]], 54); + assert_eq!(DefaultParser::get_size_hint(&packet), 5); + } +} +*/ \ No newline at end of file From db42afa7202b34adb4780f3cc7febbfcb1e0aef4 Mon Sep 17 00:00:00 2001 From: Fabian Hummel Date: Tue, 16 Jan 2024 11:30:51 +0100 Subject: [PATCH 3/4] Removed irrelevant files --- .idea/workspace.xml | 121 +- examples/angular-todomvc/Cargo.toml | 2 +- examples/axum-echo/Cargo.toml | 2 +- examples/axum-echo/index.js | 2 +- .../axum-echo/node_modules/.package-lock.json | 108 - .../@socket.io/component-emitter/LICENSE | 24 - .../@socket.io/component-emitter/Readme.md | 74 - .../@socket.io/component-emitter/index.d.ts | 179 - .../@socket.io/component-emitter/index.js | 176 - 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--git a/.idea/workspace.xml b/.idea/workspace.xml index ccfbabce..e04be8dc 100644 --- a/.idea/workspace.xml +++ b/.idea/workspace.xml @@ -14,15 +14,7 @@ - - - - - - - - - + - { + "keyToString": { + "ASKED_ADD_EXTERNAL_FILES": "true", + "ASKED_SHARE_PROJECT_CONFIGURATION_FILES": "true", + "Cargo.Build `Run socketio-chat`.executor": "Run", + "Cargo.Build `Test socketioxide`.executor": "Run", + "Cargo.Run angular-todomvc.executor": "Run", + "Cargo.Run axum-echo.executor": "Run", + "Cargo.Run basic-crud-application.executor": "Run", + "Cargo.Run socketio-chat.executor": "Run", + "Cargo.Test packet::test::packet_decode_connect.executor": "Run", + "Cargo.Test socketioxide.executor": "Run", + "RunOnceActivity.OpenProjectViewOnStart": "true", + "RunOnceActivity.ShowReadmeOnStart": "true", + "ShowUsagesActions.previewPropertyKey": "true", + "git-widget-placeholder": "ft-custom-parser", + "last_opened_file_path": "/Users/fabian/Documents/Projects/Rust/socketioxide/socketioxide/src", + "node.js.detected.package.eslint": "true", + "node.js.detected.package.tslint": "true", + "node.js.selected.package.eslint": "(autodetect)", + "node.js.selected.package.tslint": "(autodetect)", + "nodejs_package_manager_path": "npm", + "org.rust.cargo.project.model.PROJECT_DISCOVERY": "true", + "ts.external.directory.path": "/Users/fabian/Applications/RustRover.app/Contents/plugins/javascript-impl/jsLanguageServicesImpl/external", + "vue.rearranger.settings.migration": "true" } -}]]> +} @@ -334,57 +323,6 @@ diff --git a/examples/angular-todomvc/Cargo.toml b/examples/angular-todomvc/Cargo.toml index 07269f49..f33864f4 100644 --- a/examples/angular-todomvc/Cargo.toml +++ b/examples/angular-todomvc/Cargo.toml @@ -5,7 +5,7 @@ edition.workspace = true [dependencies] -socketioxide = { path = "../../socketioxide", features = ["state", "tracing"] } +socketioxide = { path = "../../socketioxide", features = ["state"] } axum.workspace = true tokio = { workspace = true, features = ["rt-multi-thread", "macros"] } tower-http = { version = "0.5.0", features = ["cors", "fs"] } diff --git a/examples/axum-echo/Cargo.toml b/examples/axum-echo/Cargo.toml index 2cf53788..0a4b4f00 100644 --- a/examples/axum-echo/Cargo.toml +++ b/examples/axum-echo/Cargo.toml @@ -4,7 +4,7 @@ version.workspace = true edition.workspace = true [dependencies] -socketioxide = { path = "../../socketioxide" , features = ["tracing"] } +socketioxide = { path = "../../socketioxide" } axum.workspace = true tokio = { workspace = true, features = ["rt-multi-thread", "macros"] } tracing-subscriber.workspace = true diff --git a/examples/axum-echo/index.js b/examples/axum-echo/index.js index d6f5f31c..78c83e4a 100644 --- a/examples/axum-echo/index.js +++ b/examples/axum-echo/index.js @@ -3,7 +3,7 @@ import parser from "./parser.js"; const enc = new TextEncoder(); const socket = io(`ws://127.0.0.1:3000/`, { - parser: parser + // parser: parser }); socket.on("connect", () => { diff --git a/examples/axum-echo/node_modules/.package-lock.json b/examples/axum-echo/node_modules/.package-lock.json deleted file mode 100644 index d87f9ba0..00000000 --- a/examples/axum-echo/node_modules/.package-lock.json +++ /dev/null @@ -1,108 +0,0 @@ -{ - "name": "axum-echo", - "version": "1.0.0", - "lockfileVersion": 3, - "requires": true, - "packages": { - "node_modules/@socket.io/component-emitter": { - "version": "3.1.0", - "resolved": "https://registry.npmjs.org/@socket.io/component-emitter/-/component-emitter-3.1.0.tgz", - "integrity": "sha512-+9jVqKhRSpsc591z5vX+X5Yyw+he/HCB4iQ/RYxw35CEPaY1gnsNE43nf9n9AaYjAQrTiI/mOwKUKdUs9vf7Xg==" - }, - "node_modules/debug": { - "version": "4.3.4", - "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz", - "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==", - "dependencies": { - "ms": "2.1.2" - }, - "engines": { - "node": ">=6.0" - }, - "peerDependenciesMeta": { - 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a/examples/axum-echo/node_modules/@socket.io/component-emitter/LICENSE +++ /dev/null @@ -1,24 +0,0 @@ -(The MIT License) - -Copyright (c) 2014 Component contributors - -Permission is hereby granted, free of charge, to any person -obtaining a copy of this software and associated documentation -files (the "Software"), to deal in the Software without -restriction, including without limitation the rights to use, -copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the -Software is furnished to do so, subject to the following -conditions: - -The above copyright notice and this permission notice shall be -included in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES -OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND -NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT -HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, -WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING -FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -OTHER DEALINGS IN THE SOFTWARE. diff --git a/examples/axum-echo/node_modules/@socket.io/component-emitter/Readme.md b/examples/axum-echo/node_modules/@socket.io/component-emitter/Readme.md deleted file mode 100644 index 0f3f9b9f..00000000 --- a/examples/axum-echo/node_modules/@socket.io/component-emitter/Readme.md +++ /dev/null @@ -1,74 +0,0 @@ -# Emitter [![Build Status](https://travis-ci.org/component/emitter.png)](https://travis-ci.org/component/emitter) - - Event emitter component. - -## Installation - -``` -$ component install component/emitter -``` - -## API - -### Emitter(obj) - - The `Emitter` may also be used as a mixin. For example - a "plain" object may become an emitter, or you may - extend an existing prototype. - - As an `Emitter` instance: - -```js -var Emitter = require('emitter'); -var emitter = new Emitter; -emitter.emit('something'); -``` - - As a mixin: - -```js -var Emitter = require('emitter'); -var user = { name: 'tobi' }; -Emitter(user); - -user.emit('im a user'); -``` - - As a prototype mixin: - -```js -var Emitter = require('emitter'); -Emitter(User.prototype); -``` - -### Emitter#on(event, fn) - - Register an `event` handler `fn`. - -### Emitter#once(event, fn) - - Register a single-shot `event` handler `fn`, - removed immediately after it is invoked the - first time. - -### Emitter#off(event, fn) - - * Pass `event` and `fn` to remove a listener. - * Pass `event` to remove all listeners on that event. - * Pass nothing to remove all listeners on all events. - -### Emitter#emit(event, ...) - - Emit an `event` with variable option args. - -### Emitter#listeners(event) - - Return an array of callbacks, or an empty array. - -### Emitter#hasListeners(event) - - Check if this emitter has `event` handlers. - -## License - -MIT diff --git a/examples/axum-echo/node_modules/@socket.io/component-emitter/index.d.ts b/examples/axum-echo/node_modules/@socket.io/component-emitter/index.d.ts deleted file mode 100644 index 49a74e14..00000000 --- a/examples/axum-echo/node_modules/@socket.io/component-emitter/index.d.ts +++ /dev/null @@ -1,179 +0,0 @@ -/** - * An events map is an interface that maps event names to their value, which - * represents the type of the `on` listener. - */ -export interface EventsMap { - [event: string]: any; -} - -/** - * The default events map, used if no EventsMap is given. Using this EventsMap - * is equivalent to accepting all event names, and any data. - */ -export interface DefaultEventsMap { - [event: string]: (...args: any[]) => void; -} - -/** - * Returns a union type containing all the keys of an event map. - */ -export type EventNames = keyof Map & (string | symbol); - -/** The tuple type representing the parameters of an event listener */ -export type EventParams< - Map extends EventsMap, - Ev extends EventNames - > = Parameters; - -/** - * The event names that are either in ReservedEvents or in UserEvents - */ -export type ReservedOrUserEventNames< - ReservedEventsMap extends EventsMap, - UserEvents extends EventsMap - > = EventNames | EventNames; - -/** - * Type of a listener of a user event or a reserved event. If `Ev` is in - * `ReservedEvents`, the reserved event listener is returned. - */ -export type ReservedOrUserListener< - ReservedEvents extends EventsMap, - UserEvents extends EventsMap, - Ev extends ReservedOrUserEventNames - > = FallbackToUntypedListener< - Ev extends EventNames - ? ReservedEvents[Ev] - : Ev extends EventNames - ? UserEvents[Ev] - : never - >; - -/** - * Returns an untyped listener type if `T` is `never`; otherwise, returns `T`. - * - * This is a hack to mitigate https://github.com/socketio/socket.io/issues/3833. - * Needed because of https://github.com/microsoft/TypeScript/issues/41778 - */ -type FallbackToUntypedListener = [T] extends [never] - ? (...args: any[]) => void | Promise - : T; - -/** - * Strictly typed version of an `EventEmitter`. A `TypedEventEmitter` takes type - * parameters for mappings of event names to event data types, and strictly - * types method calls to the `EventEmitter` according to these event maps. - * - * @typeParam ListenEvents - `EventsMap` of user-defined events that can be - * listened to with `on` or `once` - * @typeParam EmitEvents - `EventsMap` of user-defined events that can be - * emitted with `emit` - * @typeParam ReservedEvents - `EventsMap` of reserved events, that can be - * emitted by socket.io with `emitReserved`, and can be listened to with - * `listen`. - */ -export class Emitter< - ListenEvents extends EventsMap, - EmitEvents extends EventsMap, - ReservedEvents extends EventsMap = {} - > { - /** - * Adds the `listener` function as an event listener for `ev`. - * - * @param ev Name of the event - * @param listener Callback function - */ - on>( - ev: Ev, - listener: ReservedOrUserListener - ): this; - - /** - * Adds a one-time `listener` function as an event listener for `ev`. - * - * @param ev Name of the event - * @param listener Callback function - */ - once>( - ev: Ev, - listener: ReservedOrUserListener - ): this; - - /** - * Removes the `listener` function as an event listener for `ev`. - * - * @param ev Name of the event - * @param listener Callback function - */ - off>( - ev?: Ev, - listener?: ReservedOrUserListener - ): this; - - /** - * Emits an event. - * - * @param ev Name of the event - * @param args Values to send to listeners of this event - */ - emit>( - ev: Ev, - ...args: EventParams - ): this; - - /** - * Emits a reserved event. - * - * This method is `protected`, so that only a class extending - * `StrictEventEmitter` can emit its own reserved events. - * - * @param ev Reserved event name - * @param args Arguments to emit along with the event - */ - protected emitReserved>( - ev: Ev, - ...args: EventParams - ): this; - - /** - * Returns the listeners listening to an event. - * - * @param event Event name - * @returns Array of listeners subscribed to `event` - */ - listeners>( - event: Ev - ): ReservedOrUserListener[]; - - /** - * Returns true if there is a listener for this event. - * - * @param event Event name - * @returns boolean - */ - hasListeners< - Ev extends ReservedOrUserEventNames - >(event: Ev): boolean; - - /** - * Removes the `listener` function as an event listener for `ev`. - * - * @param ev Name of the event - * @param listener Callback function - */ - removeListener< - Ev extends ReservedOrUserEventNames - >( - ev?: Ev, - listener?: ReservedOrUserListener - ): this; - - /** - * Removes all `listener` function as an event listener for `ev`. - * - * @param ev Name of the event - */ - removeAllListeners< - Ev extends ReservedOrUserEventNames - >(ev?: Ev): this; -} diff --git a/examples/axum-echo/node_modules/@socket.io/component-emitter/index.js b/examples/axum-echo/node_modules/@socket.io/component-emitter/index.js deleted file mode 100644 index e0d54979..00000000 --- a/examples/axum-echo/node_modules/@socket.io/component-emitter/index.js +++ /dev/null @@ -1,176 +0,0 @@ - -/** - * Expose `Emitter`. - */ - -exports.Emitter = Emitter; - -/** - * Initialize a new `Emitter`. - * - * @api public - */ - -function Emitter(obj) { - if (obj) return mixin(obj); -} - -/** - * Mixin the emitter properties. - * - * @param {Object} obj - * @return {Object} - * @api private - */ - -function mixin(obj) { - for (var key in Emitter.prototype) { - obj[key] = Emitter.prototype[key]; - } - return obj; -} - -/** - * Listen on the given `event` with `fn`. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ - -Emitter.prototype.on = -Emitter.prototype.addEventListener = function(event, fn){ - this._callbacks = this._callbacks || {}; - (this._callbacks['$' + event] = this._callbacks['$' + event] || []) - .push(fn); - return this; -}; - -/** - * Adds an `event` listener that will be invoked a single - * time then automatically removed. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ - -Emitter.prototype.once = function(event, fn){ - function on() { - this.off(event, on); - fn.apply(this, arguments); - } - - on.fn = fn; - this.on(event, on); - return this; -}; - -/** - * Remove the given callback for `event` or all - * registered callbacks. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ - -Emitter.prototype.off = -Emitter.prototype.removeListener = -Emitter.prototype.removeAllListeners = -Emitter.prototype.removeEventListener = function(event, fn){ - this._callbacks = this._callbacks || {}; - - // all - if (0 == arguments.length) { - this._callbacks = {}; - return this; - } - - // specific event - var callbacks = this._callbacks['$' + event]; - if (!callbacks) return this; - - // remove all handlers - if (1 == arguments.length) { - delete this._callbacks['$' + event]; - return this; - } - - // remove specific handler - var cb; - for (var i = 0; i < callbacks.length; i++) { - cb = callbacks[i]; - if (cb === fn || cb.fn === fn) { - callbacks.splice(i, 1); - break; - } - } - - // Remove event specific arrays for event types that no - // one is subscribed for to avoid memory leak. - if (callbacks.length === 0) { - delete this._callbacks['$' + event]; - } - - return this; -}; - -/** - * Emit `event` with the given args. - * - * @param {String} event - * @param {Mixed} ... - * @return {Emitter} - */ - -Emitter.prototype.emit = function(event){ - this._callbacks = this._callbacks || {}; - - var args = new Array(arguments.length - 1) - , callbacks = this._callbacks['$' + event]; - - for (var i = 1; i < arguments.length; i++) { - args[i - 1] = arguments[i]; - } - - if (callbacks) { - callbacks = callbacks.slice(0); - for (var i = 0, len = callbacks.length; i < len; ++i) { - callbacks[i].apply(this, args); - } - } - - return this; -}; - -// alias used for reserved events (protected method) -Emitter.prototype.emitReserved = Emitter.prototype.emit; - -/** - * Return array of callbacks for `event`. - * - * @param {String} event - * @return {Array} - * @api public - */ - -Emitter.prototype.listeners = function(event){ - this._callbacks = this._callbacks || {}; - return this._callbacks['$' + event] || []; -}; - -/** - * Check if this emitter has `event` handlers. - * - * @param {String} event - * @return {Boolean} - * @api public - */ - -Emitter.prototype.hasListeners = function(event){ - return !! this.listeners(event).length; -}; diff --git a/examples/axum-echo/node_modules/@socket.io/component-emitter/index.mjs b/examples/axum-echo/node_modules/@socket.io/component-emitter/index.mjs deleted file mode 100644 index b2e5c3f0..00000000 --- a/examples/axum-echo/node_modules/@socket.io/component-emitter/index.mjs +++ /dev/null @@ -1,169 +0,0 @@ -/** - * Initialize a new `Emitter`. - * - * @api public - */ - -export function Emitter(obj) { - if (obj) return mixin(obj); -} - -/** - * Mixin the emitter properties. - * - * @param {Object} obj - * @return {Object} - * @api private - */ - -function mixin(obj) { - for (var key in Emitter.prototype) { - obj[key] = Emitter.prototype[key]; - } - return obj; -} - -/** - * Listen on the given `event` with `fn`. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ - -Emitter.prototype.on = -Emitter.prototype.addEventListener = function(event, fn){ - this._callbacks = this._callbacks || {}; - (this._callbacks['$' + event] = this._callbacks['$' + event] || []) - .push(fn); - return this; -}; - -/** - * Adds an `event` listener that will be invoked a single - * time then automatically removed. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ - -Emitter.prototype.once = function(event, fn){ - function on() { - this.off(event, on); - fn.apply(this, arguments); - } - - on.fn = fn; - this.on(event, on); - return this; -}; - -/** - * Remove the given callback for `event` or all - * registered callbacks. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ - -Emitter.prototype.off = -Emitter.prototype.removeListener = -Emitter.prototype.removeAllListeners = -Emitter.prototype.removeEventListener = function(event, fn){ - this._callbacks = this._callbacks || {}; - - // all - if (0 == arguments.length) { - this._callbacks = {}; - return this; - } - - // specific event - var callbacks = this._callbacks['$' + event]; - if (!callbacks) return this; - - // remove all handlers - if (1 == arguments.length) { - delete this._callbacks['$' + event]; - return this; - } - - // remove specific handler - var cb; - for (var i = 0; i < callbacks.length; i++) { - cb = callbacks[i]; - if (cb === fn || cb.fn === fn) { - callbacks.splice(i, 1); - break; - } - } - - // Remove event specific arrays for event types that no - // one is subscribed for to avoid memory leak. - if (callbacks.length === 0) { - delete this._callbacks['$' + event]; - } - - return this; -}; - -/** - * Emit `event` with the given args. - * - * @param {String} event - * @param {Mixed} ... - * @return {Emitter} - */ - -Emitter.prototype.emit = function(event){ - this._callbacks = this._callbacks || {}; - - var args = new Array(arguments.length - 1) - , callbacks = this._callbacks['$' + event]; - - for (var i = 1; i < arguments.length; i++) { - args[i - 1] = arguments[i]; - } - - if (callbacks) { - callbacks = callbacks.slice(0); - for (var i = 0, len = callbacks.length; i < len; ++i) { - callbacks[i].apply(this, args); - } - } - - return this; -}; - -// alias used for reserved events (protected method) -Emitter.prototype.emitReserved = Emitter.prototype.emit; - -/** - * Return array of callbacks for `event`. - * - * @param {String} event - * @return {Array} - * @api public - */ - -Emitter.prototype.listeners = function(event){ - this._callbacks = this._callbacks || {}; - return this._callbacks['$' + event] || []; -}; - -/** - * Check if this emitter has `event` handlers. - * - * @param {String} event - * @return {Boolean} - * @api public - */ - -Emitter.prototype.hasListeners = function(event){ - return !! this.listeners(event).length; -}; diff --git a/examples/axum-echo/node_modules/@socket.io/component-emitter/package.json b/examples/axum-echo/node_modules/@socket.io/component-emitter/package.json deleted file mode 100644 index c73c23da..00000000 --- a/examples/axum-echo/node_modules/@socket.io/component-emitter/package.json +++ /dev/null @@ -1,31 +0,0 @@ -{ - "name": "@socket.io/component-emitter", - "description": "Event emitter", - "version": "3.1.0", - "license": "MIT", - "devDependencies": { - "mocha": "*", - "should": "*" - }, - "component": { - "scripts": { - "emitter/index.js": "index.js" - } - }, - "main": "index.js", - "module": "index.mjs", - "types": "index.d.ts", - "repository": { - "type": "git", - "url": "https://github.com/socketio/emitter.git" - }, - "scripts": { - "test": "make test" - }, - "files": [ - "index.js", - "index.mjs", - "index.d.ts", - "LICENSE" - ] -} diff --git a/examples/axum-echo/node_modules/debug/LICENSE b/examples/axum-echo/node_modules/debug/LICENSE deleted file mode 100644 index 1a9820e2..00000000 --- a/examples/axum-echo/node_modules/debug/LICENSE +++ /dev/null @@ -1,20 +0,0 @@ -(The MIT License) - -Copyright (c) 2014-2017 TJ Holowaychuk -Copyright (c) 2018-2021 Josh Junon - -Permission is hereby granted, free of charge, to any person obtaining a copy of this software -and associated documentation files (the 'Software'), to deal in the Software without restriction, -including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, -and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, -subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all copies or substantial -portions of the Software. - -THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT -LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, -WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE -SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - diff --git a/examples/axum-echo/node_modules/debug/README.md b/examples/axum-echo/node_modules/debug/README.md deleted file mode 100644 index e9c3e047..00000000 --- a/examples/axum-echo/node_modules/debug/README.md +++ /dev/null @@ -1,481 +0,0 @@ -# debug -[![Build Status](https://travis-ci.org/debug-js/debug.svg?branch=master)](https://travis-ci.org/debug-js/debug) [![Coverage Status](https://coveralls.io/repos/github/debug-js/debug/badge.svg?branch=master)](https://coveralls.io/github/debug-js/debug?branch=master) [![Slack](https://visionmedia-community-slackin.now.sh/badge.svg)](https://visionmedia-community-slackin.now.sh/) [![OpenCollective](https://opencollective.com/debug/backers/badge.svg)](#backers) -[![OpenCollective](https://opencollective.com/debug/sponsors/badge.svg)](#sponsors) - - - -A tiny JavaScript debugging utility modelled after Node.js core's debugging -technique. Works in Node.js and web browsers. - -## Installation - -```bash -$ npm install debug -``` - -## Usage - -`debug` exposes a function; simply pass this function the name of your module, and it will return a decorated version of `console.error` for you to pass debug statements to. This will allow you to toggle the debug output for different parts of your module as well as the module as a whole. - -Example [_app.js_](./examples/node/app.js): - -```js -var debug = require('debug')('http') - , http = require('http') - , name = 'My App'; - -// fake app - -debug('booting %o', name); - -http.createServer(function(req, res){ - debug(req.method + ' ' + req.url); - res.end('hello\n'); -}).listen(3000, function(){ - debug('listening'); -}); - -// fake worker of some kind - -require('./worker'); -``` - -Example [_worker.js_](./examples/node/worker.js): - -```js -var a = require('debug')('worker:a') - , b = require('debug')('worker:b'); - -function work() { - a('doing lots of uninteresting work'); - setTimeout(work, Math.random() * 1000); -} - -work(); - -function workb() { - b('doing some work'); - setTimeout(workb, Math.random() * 2000); -} - -workb(); -``` - -The `DEBUG` environment variable is then used to enable these based on space or -comma-delimited names. - -Here are some examples: - -screen shot 2017-08-08 at 12 53 04 pm -screen shot 2017-08-08 at 12 53 38 pm -screen shot 2017-08-08 at 12 53 25 pm - -#### Windows command prompt notes - -##### CMD - -On Windows the environment variable is set using the `set` command. - -```cmd -set DEBUG=*,-not_this -``` - -Example: - -```cmd -set DEBUG=* & node app.js -``` - -##### PowerShell (VS Code default) - -PowerShell uses different syntax to set environment variables. - -```cmd -$env:DEBUG = "*,-not_this" -``` - -Example: - -```cmd -$env:DEBUG='app';node app.js -``` - -Then, run the program to be debugged as usual. - -npm script example: -```js - "windowsDebug": "@powershell -Command $env:DEBUG='*';node app.js", -``` - -## Namespace Colors - -Every debug instance has a color generated for it based on its namespace name. -This helps when visually parsing the debug output to identify which debug instance -a debug line belongs to. - -#### Node.js - -In Node.js, colors are enabled when stderr is a TTY. You also _should_ install -the [`supports-color`](https://npmjs.org/supports-color) module alongside debug, -otherwise debug will only use a small handful of basic colors. - - - -#### Web Browser - -Colors are also enabled on "Web Inspectors" that understand the `%c` formatting -option. These are WebKit web inspectors, Firefox ([since version -31](https://hacks.mozilla.org/2014/05/editable-box-model-multiple-selection-sublime-text-keys-much-more-firefox-developer-tools-episode-31/)) -and the Firebug plugin for Firefox (any version). - - - - -## Millisecond diff - -When actively developing an application it can be useful to see when the time spent between one `debug()` call and the next. Suppose for example you invoke `debug()` before requesting a resource, and after as well, the "+NNNms" will show you how much time was spent between calls. - - - -When stdout is not a TTY, `Date#toISOString()` is used, making it more useful for logging the debug information as shown below: - - - - -## Conventions - -If you're using this in one or more of your libraries, you _should_ use the name of your library so that developers may toggle debugging as desired without guessing names. If you have more than one debuggers you _should_ prefix them with your library name and use ":" to separate features. For example "bodyParser" from Connect would then be "connect:bodyParser". If you append a "*" to the end of your name, it will always be enabled regardless of the setting of the DEBUG environment variable. You can then use it for normal output as well as debug output. - -## Wildcards - -The `*` character may be used as a wildcard. Suppose for example your library has -debuggers named "connect:bodyParser", "connect:compress", "connect:session", -instead of listing all three with -`DEBUG=connect:bodyParser,connect:compress,connect:session`, you may simply do -`DEBUG=connect:*`, or to run everything using this module simply use `DEBUG=*`. - -You can also exclude specific debuggers by prefixing them with a "-" character. -For example, `DEBUG=*,-connect:*` would include all debuggers except those -starting with "connect:". - -## Environment Variables - -When running through Node.js, you can set a few environment variables that will -change the behavior of the debug logging: - -| Name | Purpose | -|-----------|-------------------------------------------------| -| `DEBUG` | Enables/disables specific debugging namespaces. | -| `DEBUG_HIDE_DATE` | Hide date from debug output (non-TTY). | -| `DEBUG_COLORS`| Whether or not to use colors in the debug output. | -| `DEBUG_DEPTH` | Object inspection depth. | -| `DEBUG_SHOW_HIDDEN` | Shows hidden properties on inspected objects. | - - -__Note:__ The environment variables beginning with `DEBUG_` end up being -converted into an Options object that gets used with `%o`/`%O` formatters. -See the Node.js documentation for -[`util.inspect()`](https://nodejs.org/api/util.html#util_util_inspect_object_options) -for the complete list. - -## Formatters - -Debug uses [printf-style](https://wikipedia.org/wiki/Printf_format_string) formatting. -Below are the officially supported formatters: - -| Formatter | Representation | -|-----------|----------------| -| `%O` | Pretty-print an Object on multiple lines. | -| `%o` | Pretty-print an Object all on a single line. | -| `%s` | String. | -| `%d` | Number (both integer and float). | -| `%j` | JSON. Replaced with the string '[Circular]' if the argument contains circular references. | -| `%%` | Single percent sign ('%'). This does not consume an argument. | - - -### Custom formatters - -You can add custom formatters by extending the `debug.formatters` object. -For example, if you wanted to add support for rendering a Buffer as hex with -`%h`, you could do something like: - -```js -const createDebug = require('debug') -createDebug.formatters.h = (v) => { - return v.toString('hex') -} - -// …elsewhere -const debug = createDebug('foo') -debug('this is hex: %h', new Buffer('hello world')) -// foo this is hex: 68656c6c6f20776f726c6421 +0ms -``` - - -## Browser Support - -You can build a browser-ready script using [browserify](https://github.com/substack/node-browserify), -or just use the [browserify-as-a-service](https://wzrd.in/) [build](https://wzrd.in/standalone/debug@latest), -if you don't want to build it yourself. - -Debug's enable state is currently persisted by `localStorage`. -Consider the situation shown below where you have `worker:a` and `worker:b`, -and wish to debug both. You can enable this using `localStorage.debug`: - -```js -localStorage.debug = 'worker:*' -``` - -And then refresh the page. - -```js -a = debug('worker:a'); -b = debug('worker:b'); - -setInterval(function(){ - a('doing some work'); -}, 1000); - -setInterval(function(){ - b('doing some work'); -}, 1200); -``` - -In Chromium-based web browsers (e.g. Brave, Chrome, and Electron), the JavaScript console will—by default—only show messages logged by `debug` if the "Verbose" log level is _enabled_. - - - -## Output streams - - By default `debug` will log to stderr, however this can be configured per-namespace by overriding the `log` method: - -Example [_stdout.js_](./examples/node/stdout.js): - -```js -var debug = require('debug'); -var error = debug('app:error'); - -// by default stderr is used -error('goes to stderr!'); - -var log = debug('app:log'); -// set this namespace to log via console.log -log.log = console.log.bind(console); // don't forget to bind to console! -log('goes to stdout'); -error('still goes to stderr!'); - -// set all output to go via console.info -// overrides all per-namespace log settings -debug.log = console.info.bind(console); -error('now goes to stdout via console.info'); -log('still goes to stdout, but via console.info now'); -``` - -## Extend -You can simply extend debugger -```js -const log = require('debug')('auth'); - -//creates new debug instance with extended namespace -const logSign = log.extend('sign'); -const logLogin = log.extend('login'); - -log('hello'); // auth hello -logSign('hello'); //auth:sign hello -logLogin('hello'); //auth:login hello -``` - -## Set dynamically - -You can also enable debug dynamically by calling the `enable()` method : - -```js -let debug = require('debug'); - -console.log(1, debug.enabled('test')); - -debug.enable('test'); -console.log(2, debug.enabled('test')); - -debug.disable(); -console.log(3, debug.enabled('test')); - -``` - -print : -``` -1 false -2 true -3 false -``` - -Usage : -`enable(namespaces)` -`namespaces` can include modes separated by a colon and wildcards. - -Note that calling `enable()` completely overrides previously set DEBUG variable : - -``` -$ DEBUG=foo node -e 'var dbg = require("debug"); dbg.enable("bar"); console.log(dbg.enabled("foo"))' -=> false -``` - -`disable()` - -Will disable all namespaces. The functions returns the namespaces currently -enabled (and skipped). This can be useful if you want to disable debugging -temporarily without knowing what was enabled to begin with. - -For example: - -```js -let debug = require('debug'); -debug.enable('foo:*,-foo:bar'); -let namespaces = debug.disable(); -debug.enable(namespaces); -``` - -Note: There is no guarantee that the string will be identical to the initial -enable string, but semantically they will be identical. - -## Checking whether a debug target is enabled - -After you've created a debug instance, you can determine whether or not it is -enabled by checking the `enabled` property: - -```javascript -const debug = require('debug')('http'); - -if (debug.enabled) { - // do stuff... -} -``` - -You can also manually toggle this property to force the debug instance to be -enabled or disabled. - -## Usage in child processes - -Due to the way `debug` detects if the output is a TTY or not, colors are not shown in child processes when `stderr` is piped. A solution is to pass the `DEBUG_COLORS=1` environment variable to the child process. -For example: - -```javascript -worker = fork(WORKER_WRAP_PATH, [workerPath], { - stdio: [ - /* stdin: */ 0, - /* stdout: */ 'pipe', - /* stderr: */ 'pipe', - 'ipc', - ], - env: Object.assign({}, process.env, { - DEBUG_COLORS: 1 // without this settings, colors won't be shown - }), -}); - -worker.stderr.pipe(process.stderr, { end: false }); -``` - - -## Authors - - - TJ Holowaychuk - - Nathan Rajlich - - Andrew Rhyne - - Josh Junon - -## Backers - -Support us with a monthly donation and help us continue our activities. [[Become a backer](https://opencollective.com/debug#backer)] - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -## Sponsors - -Become a sponsor and get your logo on our README on Github with a link to your site. [[Become a sponsor](https://opencollective.com/debug#sponsor)] - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -## License - -(The MIT License) - -Copyright (c) 2014-2017 TJ Holowaychuk <tj@vision-media.ca> -Copyright (c) 2018-2021 Josh Junon - -Permission is hereby granted, free of charge, to any person obtaining -a copy of this software and associated documentation files (the -'Software'), to deal in the Software without restriction, including -without limitation the rights to use, copy, modify, merge, publish, -distribute, sublicense, and/or sell copies of the Software, and to -permit persons to whom the Software is furnished to do so, subject to -the following conditions: - -The above copyright notice and this permission notice shall be -included in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, -EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY -CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE -SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/examples/axum-echo/node_modules/debug/package.json b/examples/axum-echo/node_modules/debug/package.json deleted file mode 100644 index 3bcdc242..00000000 --- a/examples/axum-echo/node_modules/debug/package.json +++ /dev/null @@ -1,59 +0,0 @@ -{ - "name": "debug", - "version": "4.3.4", - "repository": { - "type": "git", - "url": "git://github.com/debug-js/debug.git" - }, - "description": "Lightweight debugging utility for Node.js and the browser", - "keywords": [ - "debug", - "log", - "debugger" - ], - "files": [ - "src", - "LICENSE", - "README.md" - ], - "author": "Josh Junon ", - "contributors": [ - "TJ Holowaychuk ", - "Nathan Rajlich (http://n8.io)", - "Andrew Rhyne " - ], - "license": "MIT", - "scripts": { - "lint": "xo", - "test": "npm run test:node && npm run test:browser && npm run lint", - "test:node": "istanbul cover _mocha -- test.js", - "test:browser": "karma start --single-run", - "test:coverage": "cat ./coverage/lcov.info | coveralls" - }, - "dependencies": { - "ms": "2.1.2" - }, - "devDependencies": { - "brfs": "^2.0.1", - "browserify": "^16.2.3", - "coveralls": "^3.0.2", - "istanbul": "^0.4.5", - "karma": "^3.1.4", - "karma-browserify": "^6.0.0", - "karma-chrome-launcher": "^2.2.0", - "karma-mocha": "^1.3.0", - "mocha": "^5.2.0", - "mocha-lcov-reporter": "^1.2.0", - "xo": "^0.23.0" - }, - "peerDependenciesMeta": { - "supports-color": { - "optional": true - } - }, - "main": "./src/index.js", - "browser": "./src/browser.js", - "engines": { - "node": ">=6.0" - } -} diff --git a/examples/axum-echo/node_modules/debug/src/browser.js b/examples/axum-echo/node_modules/debug/src/browser.js deleted file mode 100644 index cd0fc35d..00000000 --- a/examples/axum-echo/node_modules/debug/src/browser.js +++ /dev/null @@ -1,269 +0,0 @@ -/* eslint-env browser */ - -/** - * This is the web browser implementation of `debug()`. - */ - -exports.formatArgs = formatArgs; -exports.save = save; -exports.load = load; -exports.useColors = useColors; -exports.storage = localstorage(); -exports.destroy = (() => { - let warned = false; - - return () => { - if (!warned) { - warned = true; - console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.'); - } - }; -})(); - -/** - * Colors. - */ - -exports.colors = [ - '#0000CC', - '#0000FF', - '#0033CC', - '#0033FF', - '#0066CC', - '#0066FF', - '#0099CC', - '#0099FF', - '#00CC00', - '#00CC33', - '#00CC66', - '#00CC99', - '#00CCCC', - '#00CCFF', - '#3300CC', - '#3300FF', - '#3333CC', - '#3333FF', - '#3366CC', - '#3366FF', - '#3399CC', - '#3399FF', - '#33CC00', - '#33CC33', - '#33CC66', - '#33CC99', - '#33CCCC', - '#33CCFF', - '#6600CC', - '#6600FF', - '#6633CC', - '#6633FF', - '#66CC00', - '#66CC33', - '#9900CC', - '#9900FF', - '#9933CC', - '#9933FF', - '#99CC00', - '#99CC33', - '#CC0000', - '#CC0033', - '#CC0066', - '#CC0099', - '#CC00CC', - '#CC00FF', - '#CC3300', - '#CC3333', - '#CC3366', - '#CC3399', - '#CC33CC', - '#CC33FF', - '#CC6600', - '#CC6633', - '#CC9900', - '#CC9933', - '#CCCC00', - '#CCCC33', - '#FF0000', - '#FF0033', - '#FF0066', - '#FF0099', - '#FF00CC', - '#FF00FF', - '#FF3300', - '#FF3333', - '#FF3366', - '#FF3399', - '#FF33CC', - '#FF33FF', - '#FF6600', - '#FF6633', - '#FF9900', - '#FF9933', - '#FFCC00', - '#FFCC33' -]; - -/** - * Currently only WebKit-based Web Inspectors, Firefox >= v31, - * and the Firebug extension (any Firefox version) are known - * to support "%c" CSS customizations. - * - * TODO: add a `localStorage` variable to explicitly enable/disable colors - */ - -// eslint-disable-next-line complexity -function useColors() { - // NB: In an Electron preload script, document will be defined but not fully - // initialized. Since we know we're in Chrome, we'll just detect this case - // explicitly - if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) { - return true; - } - - // Internet Explorer and Edge do not support colors. - if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) { - return false; - } - - // Is webkit? http://stackoverflow.com/a/16459606/376773 - // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632 - return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) || - // Is firebug? http://stackoverflow.com/a/398120/376773 - (typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) || - // Is firefox >= v31? - // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages - (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) || - // Double check webkit in userAgent just in case we are in a worker - (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/)); -} - -/** - * Colorize log arguments if enabled. - * - * @api public - */ - -function formatArgs(args) { - args[0] = (this.useColors ? '%c' : '') + - this.namespace + - (this.useColors ? ' %c' : ' ') + - args[0] + - (this.useColors ? '%c ' : ' ') + - '+' + module.exports.humanize(this.diff); - - if (!this.useColors) { - return; - } - - const c = 'color: ' + this.color; - args.splice(1, 0, c, 'color: inherit'); - - // The final "%c" is somewhat tricky, because there could be other - // arguments passed either before or after the %c, so we need to - // figure out the correct index to insert the CSS into - let index = 0; - let lastC = 0; - args[0].replace(/%[a-zA-Z%]/g, match => { - if (match === '%%') { - return; - } - index++; - if (match === '%c') { - // We only are interested in the *last* %c - // (the user may have provided their own) - lastC = index; - } - }); - - args.splice(lastC, 0, c); -} - -/** - * Invokes `console.debug()` when available. - * No-op when `console.debug` is not a "function". - * If `console.debug` is not available, falls back - * to `console.log`. - * - * @api public - */ -exports.log = console.debug || console.log || (() => {}); - -/** - * Save `namespaces`. - * - * @param {String} namespaces - * @api private - */ -function save(namespaces) { - try { - if (namespaces) { - exports.storage.setItem('debug', namespaces); - } else { - exports.storage.removeItem('debug'); - } - } catch (error) { - // Swallow - // XXX (@Qix-) should we be logging these? - } -} - -/** - * Load `namespaces`. - * - * @return {String} returns the previously persisted debug modes - * @api private - */ -function load() { - let r; - try { - r = exports.storage.getItem('debug'); - } catch (error) { - // Swallow - // XXX (@Qix-) should we be logging these? - } - - // If debug isn't set in LS, and we're in Electron, try to load $DEBUG - if (!r && typeof process !== 'undefined' && 'env' in process) { - r = process.env.DEBUG; - } - - return r; -} - -/** - * Localstorage attempts to return the localstorage. - * - * This is necessary because safari throws - * when a user disables cookies/localstorage - * and you attempt to access it. - * - * @return {LocalStorage} - * @api private - */ - -function localstorage() { - try { - // TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context - // The Browser also has localStorage in the global context. - return localStorage; - } catch (error) { - // Swallow - // XXX (@Qix-) should we be logging these? - } -} - -module.exports = require('./common')(exports); - -const {formatters} = module.exports; - -/** - * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default. - */ - -formatters.j = function (v) { - try { - return JSON.stringify(v); - } catch (error) { - return '[UnexpectedJSONParseError]: ' + error.message; - } -}; diff --git a/examples/axum-echo/node_modules/debug/src/common.js b/examples/axum-echo/node_modules/debug/src/common.js deleted file mode 100644 index e3291b20..00000000 --- a/examples/axum-echo/node_modules/debug/src/common.js +++ /dev/null @@ -1,274 +0,0 @@ - -/** - * This is the common logic for both the Node.js and web browser - * implementations of `debug()`. - */ - -function setup(env) { - createDebug.debug = createDebug; - createDebug.default = createDebug; - createDebug.coerce = coerce; - createDebug.disable = disable; - createDebug.enable = enable; - createDebug.enabled = enabled; - createDebug.humanize = require('ms'); - createDebug.destroy = destroy; - - Object.keys(env).forEach(key => { - createDebug[key] = env[key]; - }); - - /** - * The currently active debug mode names, and names to skip. - */ - - createDebug.names = []; - createDebug.skips = []; - - /** - * Map of special "%n" handling functions, for the debug "format" argument. - * - * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N". - */ - createDebug.formatters = {}; - - /** - * Selects a color for a debug namespace - * @param {String} namespace The namespace string for the debug instance to be colored - * @return {Number|String} An ANSI color code for the given namespace - * @api private - */ - function selectColor(namespace) { - let hash = 0; - - for (let i = 0; i < namespace.length; i++) { - hash = ((hash << 5) - hash) + namespace.charCodeAt(i); - hash |= 0; // Convert to 32bit integer - } - - return createDebug.colors[Math.abs(hash) % createDebug.colors.length]; - } - createDebug.selectColor = selectColor; - - /** - * Create a debugger with the given `namespace`. - * - * @param {String} namespace - * @return {Function} - * @api public - */ - function createDebug(namespace) { - let prevTime; - let enableOverride = null; - let namespacesCache; - let enabledCache; - - function debug(...args) { - // Disabled? - if (!debug.enabled) { - return; - } - - const self = debug; - - // Set `diff` timestamp - const curr = Number(new Date()); - const ms = curr - (prevTime || curr); - self.diff = ms; - self.prev = prevTime; - self.curr = curr; - prevTime = curr; - - args[0] = createDebug.coerce(args[0]); - - if (typeof args[0] !== 'string') { - // Anything else let's inspect with %O - args.unshift('%O'); - } - - // Apply any `formatters` transformations - let index = 0; - args[0] = args[0].replace(/%([a-zA-Z%])/g, (match, format) => { - // If we encounter an escaped % then don't increase the array index - if (match === '%%') { - return '%'; - } - index++; - const formatter = createDebug.formatters[format]; - if (typeof formatter === 'function') { - const val = args[index]; - match = formatter.call(self, val); - - // Now we need to remove `args[index]` since it's inlined in the `format` - args.splice(index, 1); - index--; - } - return match; - }); - - // Apply env-specific formatting (colors, etc.) - createDebug.formatArgs.call(self, args); - - const logFn = self.log || createDebug.log; - logFn.apply(self, args); - } - - debug.namespace = namespace; - debug.useColors = createDebug.useColors(); - debug.color = createDebug.selectColor(namespace); - debug.extend = extend; - debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release. - - Object.defineProperty(debug, 'enabled', { - enumerable: true, - configurable: false, - get: () => { - if (enableOverride !== null) { - return enableOverride; - } - if (namespacesCache !== createDebug.namespaces) { - namespacesCache = createDebug.namespaces; - enabledCache = createDebug.enabled(namespace); - } - - return enabledCache; - }, - set: v => { - enableOverride = v; - } - }); - - // Env-specific initialization logic for debug instances - if (typeof createDebug.init === 'function') { - createDebug.init(debug); - } - - return debug; - } - - function extend(namespace, delimiter) { - const newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace); - newDebug.log = this.log; - return newDebug; - } - - /** - * Enables a debug mode by namespaces. This can include modes - * separated by a colon and wildcards. - * - * @param {String} namespaces - * @api public - */ - function enable(namespaces) { - createDebug.save(namespaces); - createDebug.namespaces = namespaces; - - createDebug.names = []; - createDebug.skips = []; - - let i; - const split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/); - const len = split.length; - - for (i = 0; i < len; i++) { - if (!split[i]) { - // ignore empty strings - continue; - } - - namespaces = split[i].replace(/\*/g, '.*?'); - - if (namespaces[0] === '-') { - createDebug.skips.push(new RegExp('^' + namespaces.slice(1) + '$')); - } else { - createDebug.names.push(new RegExp('^' + namespaces + '$')); - } - } - } - - /** - * Disable debug output. - * - * @return {String} namespaces - * @api public - */ - function disable() { - const namespaces = [ - ...createDebug.names.map(toNamespace), - ...createDebug.skips.map(toNamespace).map(namespace => '-' + namespace) - ].join(','); - createDebug.enable(''); - return namespaces; - } - - /** - * Returns true if the given mode name is enabled, false otherwise. - * - * @param {String} name - * @return {Boolean} - * @api public - */ - function enabled(name) { - if (name[name.length - 1] === '*') { - return true; - } - - let i; - let len; - - for (i = 0, len = createDebug.skips.length; i < len; i++) { - if (createDebug.skips[i].test(name)) { - return false; - } - } - - for (i = 0, len = createDebug.names.length; i < len; i++) { - if (createDebug.names[i].test(name)) { - return true; - } - } - - return false; - } - - /** - * Convert regexp to namespace - * - * @param {RegExp} regxep - * @return {String} namespace - * @api private - */ - function toNamespace(regexp) { - return regexp.toString() - .substring(2, regexp.toString().length - 2) - .replace(/\.\*\?$/, '*'); - } - - /** - * Coerce `val`. - * - * @param {Mixed} val - * @return {Mixed} - * @api private - */ - function coerce(val) { - if (val instanceof Error) { - return val.stack || val.message; - } - return val; - } - - /** - * XXX DO NOT USE. This is a temporary stub function. - * XXX It WILL be removed in the next major release. - */ - function destroy() { - console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.'); - } - - createDebug.enable(createDebug.load()); - - return createDebug; -} - -module.exports = setup; diff --git a/examples/axum-echo/node_modules/debug/src/index.js b/examples/axum-echo/node_modules/debug/src/index.js deleted file mode 100644 index bf4c57f2..00000000 --- a/examples/axum-echo/node_modules/debug/src/index.js +++ /dev/null @@ -1,10 +0,0 @@ -/** - * Detect Electron renderer / nwjs process, which is node, but we should - * treat as a browser. - */ - -if (typeof process === 'undefined' || process.type === 'renderer' || process.browser === true || process.__nwjs) { - module.exports = require('./browser.js'); -} else { - module.exports = require('./node.js'); -} diff --git a/examples/axum-echo/node_modules/debug/src/node.js b/examples/axum-echo/node_modules/debug/src/node.js deleted file mode 100644 index 79bc085c..00000000 --- a/examples/axum-echo/node_modules/debug/src/node.js +++ /dev/null @@ -1,263 +0,0 @@ -/** - * Module dependencies. - */ - -const tty = require('tty'); -const util = require('util'); - -/** - * This is the Node.js implementation of `debug()`. - */ - -exports.init = init; -exports.log = log; -exports.formatArgs = formatArgs; -exports.save = save; -exports.load = load; -exports.useColors = useColors; -exports.destroy = util.deprecate( - () => {}, - 'Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.' -); - -/** - * Colors. - */ - -exports.colors = [6, 2, 3, 4, 5, 1]; - -try { - // Optional dependency (as in, doesn't need to be installed, NOT like optionalDependencies in package.json) - // eslint-disable-next-line import/no-extraneous-dependencies - const supportsColor = require('supports-color'); - - if (supportsColor && (supportsColor.stderr || supportsColor).level >= 2) { - exports.colors = [ - 20, - 21, - 26, - 27, - 32, - 33, - 38, - 39, - 40, - 41, - 42, - 43, - 44, - 45, - 56, - 57, - 62, - 63, - 68, - 69, - 74, - 75, - 76, - 77, - 78, - 79, - 80, - 81, - 92, - 93, - 98, - 99, - 112, - 113, - 128, - 129, - 134, - 135, - 148, - 149, - 160, - 161, - 162, - 163, - 164, - 165, - 166, - 167, - 168, - 169, - 170, - 171, - 172, - 173, - 178, - 179, - 184, - 185, - 196, - 197, - 198, - 199, - 200, - 201, - 202, - 203, - 204, - 205, - 206, - 207, - 208, - 209, - 214, - 215, - 220, - 221 - ]; - } -} catch (error) { - // Swallow - we only care if `supports-color` is available; it doesn't have to be. -} - -/** - * Build up the default `inspectOpts` object from the environment variables. - * - * $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js - */ - -exports.inspectOpts = Object.keys(process.env).filter(key => { - return /^debug_/i.test(key); -}).reduce((obj, key) => { - // Camel-case - const prop = key - .substring(6) - .toLowerCase() - .replace(/_([a-z])/g, (_, k) => { - return k.toUpperCase(); - }); - - // Coerce string value into JS value - let val = process.env[key]; - if (/^(yes|on|true|enabled)$/i.test(val)) { - val = true; - } else if (/^(no|off|false|disabled)$/i.test(val)) { - val = false; - } else if (val === 'null') { - val = null; - } else { - val = Number(val); - } - - obj[prop] = val; - return obj; -}, {}); - -/** - * Is stdout a TTY? Colored output is enabled when `true`. - */ - -function useColors() { - return 'colors' in exports.inspectOpts ? - Boolean(exports.inspectOpts.colors) : - tty.isatty(process.stderr.fd); -} - -/** - * Adds ANSI color escape codes if enabled. - * - * @api public - */ - -function formatArgs(args) { - const {namespace: name, useColors} = this; - - if (useColors) { - const c = this.color; - const colorCode = '\u001B[3' + (c < 8 ? c : '8;5;' + c); - const prefix = ` ${colorCode};1m${name} \u001B[0m`; - - args[0] = prefix + args[0].split('\n').join('\n' + prefix); - args.push(colorCode + 'm+' + module.exports.humanize(this.diff) + '\u001B[0m'); - } else { - args[0] = getDate() + name + ' ' + args[0]; - } -} - -function getDate() { - if (exports.inspectOpts.hideDate) { - return ''; - } - return new Date().toISOString() + ' '; -} - -/** - * Invokes `util.format()` with the specified arguments and writes to stderr. - */ - -function log(...args) { - return process.stderr.write(util.format(...args) + '\n'); -} - -/** - * Save `namespaces`. - * - * @param {String} namespaces - * @api private - */ -function save(namespaces) { - if (namespaces) { - process.env.DEBUG = namespaces; - } else { - // If you set a process.env field to null or undefined, it gets cast to the - // string 'null' or 'undefined'. Just delete instead. - delete process.env.DEBUG; - } -} - -/** - * Load `namespaces`. - * - * @return {String} returns the previously persisted debug modes - * @api private - */ - -function load() { - return process.env.DEBUG; -} - -/** - * Init logic for `debug` instances. - * - * Create a new `inspectOpts` object in case `useColors` is set - * differently for a particular `debug` instance. - */ - -function init(debug) { - debug.inspectOpts = {}; - - const keys = Object.keys(exports.inspectOpts); - for (let i = 0; i < keys.length; i++) { - debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]]; - } -} - -module.exports = require('./common')(exports); - -const {formatters} = module.exports; - -/** - * Map %o to `util.inspect()`, all on a single line. - */ - -formatters.o = function (v) { - this.inspectOpts.colors = this.useColors; - return util.inspect(v, this.inspectOpts) - .split('\n') - .map(str => str.trim()) - .join(' '); -}; - -/** - * Map %O to `util.inspect()`, allowing multiple lines if needed. - */ - -formatters.O = function (v) { - this.inspectOpts.colors = this.useColors; - return util.inspect(v, this.inspectOpts); -}; diff --git a/examples/axum-echo/node_modules/engine.io-client/LICENSE b/examples/axum-echo/node_modules/engine.io-client/LICENSE deleted file mode 100644 index b248ba1b..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/LICENSE +++ /dev/null @@ -1,22 +0,0 @@ -(The MIT License) - -Copyright (c) 2014-2015 Automattic - -Permission is hereby granted, free of charge, to any person obtaining -a copy of this software and associated documentation files (the -'Software'), to deal in the Software without restriction, including -without limitation the rights to use, copy, modify, merge, publish, -distribute, sublicense, and/or sell copies of the Software, and to -permit persons to whom the Software is furnished to do so, subject to -the following conditions: - -The above copyright notice and this permission notice shall be -included in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, -EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY -CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE -SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/examples/axum-echo/node_modules/engine.io-client/README.md b/examples/axum-echo/node_modules/engine.io-client/README.md deleted file mode 100644 index 1954bae8..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/README.md +++ /dev/null @@ -1,333 +0,0 @@ - -# Engine.IO client - -[![Build Status](https://github.com/socketio/engine.io-client/workflows/CI/badge.svg?branch=main)](https://github.com/socketio/engine.io-client/actions) -[![NPM version](https://badge.fury.io/js/engine.io-client.svg)](http://badge.fury.io/js/engine.io-client) - -This is the client for [Engine.IO](http://github.com/socketio/engine.io), -the implementation of transport-based cross-browser/cross-device -bi-directional communication layer for [Socket.IO](http://github.com/socketio/socket.io). - -## How to use - -### Standalone - -You can find an `engine.io.js` file in this repository, which is a -standalone build you can use as follows: - -```html - - -``` - -### With browserify - -Engine.IO is a commonjs module, which means you can include it by using -`require` on the browser and package using [browserify](http://browserify.org/): - -1. install the client package - - ```bash - $ npm install engine.io-client - ``` - -1. write your app code - - ```js - const { Socket } = require('engine.io-client'); - const socket = new Socket('ws://localhost'); - socket.on('open', () => { - socket.on('message', (data) => {}); - socket.on('close', () => {}); - }); - ``` - -1. build your app bundle - - ```bash - $ browserify app.js > bundle.js - ``` - -1. include on your page - - ```html - - ``` - -### Sending and receiving binary - -```html - - -``` - -### Node.JS - -Add `engine.io-client` to your `package.json` and then: - -```js -const { Socket } = require('engine.io-client'); -const socket = new Socket('ws://localhost'); -socket.on('open', () => { - socket.on('message', (data) => {}); - socket.on('close', () => {}); -}); -``` - -### Node.js with certificates -```js -const opts = { - key: fs.readFileSync('test/fixtures/client.key'), - cert: fs.readFileSync('test/fixtures/client.crt'), - ca: fs.readFileSync('test/fixtures/ca.crt') -}; - -const { Socket } = require('engine.io-client'); -const socket = new Socket('ws://localhost', opts); -socket.on('open', () => { - socket.on('message', (data) => {}); - socket.on('close', () => {}); -}); -``` - -### Node.js with extraHeaders -```js -const opts = { - extraHeaders: { - 'X-Custom-Header-For-My-Project': 'my-secret-access-token', - 'Cookie': 'user_session=NI2JlCKF90aE0sJZD9ZzujtdsUqNYSBYxzlTsvdSUe35ZzdtVRGqYFr0kdGxbfc5gUOkR9RGp20GVKza; path=/; expires=Tue, 07-Apr-2015 18:18:08 GMT; secure; HttpOnly' - } -}; - -const { Socket } = require('engine.io-client'); -const socket = new Socket('ws://localhost', opts); -socket.on('open', () => { - socket.on('message', (data) => {}); - socket.on('close', () => {}); -}); -``` - -In the browser, the [WebSocket](https://developer.mozilla.org/en-US/docs/Web/API/WebSocket) object does not support additional headers. -In case you want to add some headers as part of some authentication mechanism, you can use the `transportOptions` attribute. -Please note that in this case the headers won't be sent in the WebSocket upgrade request. - -```js -// WILL NOT WORK in the browser -const socket = new Socket('http://localhost', { - extraHeaders: { - 'X-Custom-Header-For-My-Project': 'will not be sent' - } -}); -// WILL NOT WORK -const socket = new Socket('http://localhost', { - transports: ['websocket'], // polling is disabled - transportOptions: { - polling: { - extraHeaders: { - 'X-Custom-Header-For-My-Project': 'will not be sent' - } - } - } -}); -// WILL WORK -const socket = new Socket('http://localhost', { - transports: ['polling', 'websocket'], - transportOptions: { - polling: { - extraHeaders: { - 'X-Custom-Header-For-My-Project': 'will be used' - } - } - } -}); -``` - -## Features - -- Lightweight -- Runs on browser and node.js seamlessly -- Transports are independent of `Engine` - - Easy to debug - - Easy to unit test -- Runs inside HTML5 WebWorker -- Can send and receive binary data - - Receives as ArrayBuffer or Blob when in browser, and Buffer or ArrayBuffer - in Node - - When XHR2 or WebSockets are used, binary is emitted directly. Otherwise - binary is encoded into base64 strings, and decoded when binary types are - supported. - - With browsers that don't support ArrayBuffer, an object { base64: true, - data: dataAsBase64String } is emitted on the `message` event. - -## API - -### Socket - -The client class. Mixes in [Emitter](http://github.com/component/emitter). -Exposed as `eio` in the browser standalone build. - -#### Properties - -- `protocol` _(Number)_: protocol revision number -- `binaryType` _(String)_ : can be set to 'arraybuffer' or 'blob' in browsers, - and `buffer` or `arraybuffer` in Node. Blob is only used in browser if it's - supported. - -#### Events - -- `open` - - Fired upon successful connection. -- `message` - - Fired when data is received from the server. - - **Arguments** - - `String` | `ArrayBuffer`: utf-8 encoded data or ArrayBuffer containing - binary data -- `close` - - Fired upon disconnection. In compliance with the WebSocket API spec, this event may be - fired even if the `open` event does not occur (i.e. due to connection error or `close()`). -- `error` - - Fired when an error occurs. -- `flush` - - Fired upon completing a buffer flush -- `drain` - - Fired after `drain` event of transport if writeBuffer is empty -- `upgradeError` - - Fired if an error occurs with a transport we're trying to upgrade to. -- `upgrade` - - Fired upon upgrade success, after the new transport is set -- `ping` - - Fired upon receiving a ping packet. -- `pong` - - Fired upon _flushing_ a pong packet (ie: actual packet write out) - -#### Methods - -- **constructor** - - Initializes the client - - **Parameters** - - `String` uri - - `Object`: optional, options object - - **Options** - - `agent` (`http.Agent`): `http.Agent` to use, defaults to `false` (NodeJS only) - - `upgrade` (`Boolean`): defaults to true, whether the client should try - to upgrade the transport from long-polling to something better. - - `forceBase64` (`Boolean`): forces base 64 encoding for polling transport even when XHR2 responseType is available and WebSocket even if the used standard supports binary. - - `withCredentials` (`Boolean`): defaults to `false`, whether to include credentials (cookies, authorization headers, TLS client certificates, etc.) with cross-origin XHR polling requests. - - `timestampRequests` (`Boolean`): whether to add the timestamp with each - transport request. Note: polling requests are always stamped unless this - option is explicitly set to `false` (`false`) - - `timestampParam` (`String`): timestamp parameter (`t`) - - `path` (`String`): path to connect to, default is `/engine.io` - - `transports` (`Array`): a list of transports to try (in order). - Defaults to `['polling', 'websocket', 'webtransport']`. `Engine` - always attempts to connect directly with the first one, provided the - feature detection test for it passes. - - `transportOptions` (`Object`): hash of options, indexed by transport name, overriding the common options for the given transport - - `rememberUpgrade` (`Boolean`): defaults to false. - If true and if the previous websocket connection to the server succeeded, - the connection attempt will bypass the normal upgrade process and will initially - try websocket. A connection attempt following a transport error will use the - normal upgrade process. It is recommended you turn this on only when using - SSL/TLS connections, or if you know that your network does not block websockets. - - `pfx` (`String`|`Buffer`): Certificate, Private key and CA certificates to use for SSL. Can be used in Node.js client environment to manually specify certificate information. - - `key` (`String`): Private key to use for SSL. Can be used in Node.js client environment to manually specify certificate information. - - `passphrase` (`String`): A string of passphrase for the private key or pfx. Can be used in Node.js client environment to manually specify certificate information. - - `cert` (`String`): Public x509 certificate to use. Can be used in Node.js client environment to manually specify certificate information. - - `ca` (`String`|`Array`): An authority certificate or array of authority certificates to check the remote host against.. Can be used in Node.js client environment to manually specify certificate information. - - `ciphers` (`String`): A string describing the ciphers to use or exclude. Consult the [cipher format list](http://www.openssl.org/docs/apps/ciphers.html#CIPHER_LIST_FORMAT) for details on the format. Can be used in Node.js client environment to manually specify certificate information. - - `rejectUnauthorized` (`Boolean`): If true, the server certificate is verified against the list of supplied CAs. An 'error' event is emitted if verification fails. Verification happens at the connection level, before the HTTP request is sent. Can be used in Node.js client environment to manually specify certificate information. - - `perMessageDeflate` (`Object|Boolean`): parameters of the WebSocket permessage-deflate extension - (see [ws module](https://github.com/einaros/ws) api docs). Set to `false` to disable. (`true`) - - `threshold` (`Number`): data is compressed only if the byte size is above this value. This option is ignored on the browser. (`1024`) - - `extraHeaders` (`Object`): Headers that will be passed for each request to the server (via xhr-polling and via websockets). These values then can be used during handshake or for special proxies. Can only be used in Node.js client environment. - - `onlyBinaryUpgrades` (`Boolean`): whether transport upgrades should be restricted to transports supporting binary data (`false`) - - `forceNode` (`Boolean`): Uses NodeJS implementation for websockets - even if there is a native Browser-Websocket available, which is preferred by default over the NodeJS implementation. (This is useful when using hybrid platforms like nw.js or electron) (`false`, NodeJS only) - - `localAddress` (`String`): the local IP address to connect to - - `autoUnref` (`Boolean`): whether the transport should be `unref`'d upon creation. This calls `unref` on the underlying timers and sockets so that the program is allowed to exit if they are the only timers/sockets in the event system (Node.js only) - - `useNativeTimers` (`Boolean`): Whether to always use the native timeouts. This allows the client to reconnect when the native timeout functions are overridden, such as when mock clocks are installed with [`@sinonjs/fake-timers`](https://github.com/sinonjs/fake-timers). - - **Polling-only options** - - `requestTimeout` (`Number`): Timeout for xhr-polling requests in milliseconds (`0`) - - **Websocket-only options** - - `protocols` (`Array`): a list of subprotocols (see [MDN reference](https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#Subprotocols)) - - `closeOnBeforeunload` (`Boolean`): whether to silently close the connection when the [`beforeunload`](https://developer.mozilla.org/en-US/docs/Web/API/Window/beforeunload_event) event is emitted in the browser (defaults to `false`) -- `send` - - Sends a message to the server - - **Parameters** - - `String` | `ArrayBuffer` | `ArrayBufferView` | `Blob`: data to send - - `Object`: optional, options object - - `Function`: optional, callback upon `drain` - - **Options** - - `compress` (`Boolean`): whether to compress sending data. This option is ignored and forced to be `true` on the browser. (`true`) -- `close` - - Disconnects the client. - -### Transport - -The transport class. Private. _Inherits from EventEmitter_. - -#### Events - -- `poll`: emitted by polling transports upon starting a new request -- `pollComplete`: emitted by polling transports upon completing a request -- `drain`: emitted by polling transports upon a buffer drain - -## Tests - -`engine.io-client` is used to test -[engine](http://github.com/socketio/engine.io). Running the `engine.io` -test suite ensures the client works and vice-versa. - -Browser tests are run using [zuul](https://github.com/defunctzombie/zuul). You can -run the tests locally using the following command. - -``` -./node_modules/.bin/zuul --local 8080 -- test/index.js -``` - -Additionally, `engine.io-client` has a standalone test suite you can run -with `make test` which will run node.js and browser tests. You must have zuul setup with -a saucelabs account. - -## Support - -The support channels for `engine.io-client` are the same as `socket.io`: - - irc.freenode.net **#socket.io** - - [Google Groups](http://groups.google.com/group/socket_io) - - [Website](http://socket.io) - -## Development - -To contribute patches, run tests or benchmarks, make sure to clone the -repository: - -```bash -git clone git://github.com/socketio/engine.io-client.git -``` - -Then: - -```bash -cd engine.io-client -npm install -``` - -See the `Tests` section above for how to run tests before submitting any patches. - -## License - -MIT - Copyright (c) 2014 Automattic, Inc. diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/browser-entrypoint.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/browser-entrypoint.d.ts deleted file mode 100644 index 66bff7b2..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/browser-entrypoint.d.ts +++ /dev/null @@ -1,3 +0,0 @@ -import { Socket } from "./socket.js"; -declare const _default: (uri: any, opts: any) => Socket; -export default _default; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/browser-entrypoint.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/browser-entrypoint.js deleted file mode 100644 index 9b84dee0..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/browser-entrypoint.js +++ /dev/null @@ -1,4 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -const socket_js_1 = require("./socket.js"); -exports.default = (uri, opts) => new socket_js_1.Socket(uri, opts); diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/has-cors.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/has-cors.d.ts deleted file mode 100644 index 346b0a5c..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/has-cors.d.ts +++ /dev/null @@ -1 +0,0 @@ -export declare const hasCORS: boolean; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/has-cors.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/has-cors.js deleted file mode 100644 index 8221e27c..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/has-cors.js +++ /dev/null @@ -1,14 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.hasCORS = void 0; -// imported from https://github.com/component/has-cors -let value = false; -try { - value = typeof XMLHttpRequest !== 'undefined' && - 'withCredentials' in new XMLHttpRequest(); -} -catch (err) { - // if XMLHttp support is disabled in IE then it will throw - // when trying to create -} -exports.hasCORS = value; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseqs.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseqs.d.ts deleted file mode 100644 index 528aab11..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseqs.d.ts +++ /dev/null @@ -1,15 +0,0 @@ -/** - * Compiles a querystring - * Returns string representation of the object - * - * @param {Object} - * @api private - */ -export declare function encode(obj: any): string; -/** - * Parses a simple querystring into an object - * - * @param {String} qs - * @api private - */ -export declare function decode(qs: any): {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseqs.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseqs.js deleted file mode 100644 index c2359d5c..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseqs.js +++ /dev/null @@ -1,39 +0,0 @@ -"use strict"; -// imported from https://github.com/galkn/querystring -/** - * Compiles a querystring - * Returns string representation of the object - * - * @param {Object} - * @api private - */ -Object.defineProperty(exports, "__esModule", { value: true }); -exports.decode = exports.encode = void 0; -function encode(obj) { - let str = ''; - for (let i in obj) { - if (obj.hasOwnProperty(i)) { - if (str.length) - str += '&'; - str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]); - } - } - return str; -} -exports.encode = encode; -/** - * Parses a simple querystring into an object - * - * @param {String} qs - * @api private - */ -function decode(qs) { - let qry = {}; - let pairs = qs.split('&'); - for (let i = 0, l = pairs.length; i < l; i++) { - let pair = pairs[i].split('='); - qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]); - } - return qry; -} -exports.decode = decode; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseuri.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseuri.d.ts deleted file mode 100644 index 9a7a14ae..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseuri.d.ts +++ /dev/null @@ -1 +0,0 @@ -export declare function parse(str: string): any; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseuri.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseuri.js deleted file mode 100644 index 100c7f1a..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/parseuri.js +++ /dev/null @@ -1,68 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.parse = void 0; -// imported from https://github.com/galkn/parseuri -/** - * Parses a URI - * - * Note: we could also have used the built-in URL object, but it isn't supported on all platforms. - * - * See: - * - https://developer.mozilla.org/en-US/docs/Web/API/URL - * - https://caniuse.com/url - * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B - * - * History of the parse() method: - * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c - * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3 - * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242 - * - * @author Steven Levithan (MIT license) - * @api private - */ -const re = /^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/; -const parts = [ - 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor' -]; -function parse(str) { - if (str.length > 2000) { - throw "URI too long"; - } - const src = str, b = str.indexOf('['), e = str.indexOf(']'); - if (b != -1 && e != -1) { - str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length); - } - let m = re.exec(str || ''), uri = {}, i = 14; - while (i--) { - uri[parts[i]] = m[i] || ''; - } - if (b != -1 && e != -1) { - uri.source = src; - uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':'); - uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':'); - uri.ipv6uri = true; - } - uri.pathNames = pathNames(uri, uri['path']); - uri.queryKey = queryKey(uri, uri['query']); - return uri; -} -exports.parse = parse; -function pathNames(obj, path) { - const regx = /\/{2,9}/g, names = path.replace(regx, "/").split("/"); - if (path.slice(0, 1) == '/' || path.length === 0) { - names.splice(0, 1); - } - if (path.slice(-1) == '/') { - names.splice(names.length - 1, 1); - } - return names; -} -function queryKey(uri, query) { - const data = {}; - query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) { - if ($1) { - data[$1] = $2; - } - }); - return data; -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/yeast.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/yeast.d.ts deleted file mode 100644 index 29b5b45e..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/yeast.d.ts +++ /dev/null @@ -1,23 +0,0 @@ -/** - * Return a string representing the specified number. - * - * @param {Number} num The number to convert. - * @returns {String} The string representation of the number. - * @api public - */ -export declare function encode(num: any): string; -/** - * Return the integer value specified by the given string. - * - * @param {String} str The string to convert. - * @returns {Number} The integer value represented by the string. - * @api public - */ -export declare function decode(str: any): number; -/** - * Yeast: A tiny growing id generator. - * - * @returns {String} A unique id. - * @api public - */ -export declare function yeast(): string; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/yeast.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/yeast.js deleted file mode 100644 index 93577055..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/contrib/yeast.js +++ /dev/null @@ -1,55 +0,0 @@ -// imported from https://github.com/unshiftio/yeast -'use strict'; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.yeast = exports.decode = exports.encode = void 0; -const alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {}; -let seed = 0, i = 0, prev; -/** - * Return a string representing the specified number. - * - * @param {Number} num The number to convert. - * @returns {String} The string representation of the number. - * @api public - */ -function encode(num) { - let encoded = ''; - do { - encoded = alphabet[num % length] + encoded; - num = Math.floor(num / length); - } while (num > 0); - return encoded; -} -exports.encode = encode; -/** - * Return the integer value specified by the given string. - * - * @param {String} str The string to convert. - * @returns {Number} The integer value represented by the string. - * @api public - */ -function decode(str) { - let decoded = 0; - for (i = 0; i < str.length; i++) { - decoded = decoded * length + map[str.charAt(i)]; - } - return decoded; -} -exports.decode = decode; -/** - * Yeast: A tiny growing id generator. - * - * @returns {String} A unique id. - * @api public - */ -function yeast() { - const now = encode(+new Date()); - if (now !== prev) - return seed = 0, prev = now; - return now + '.' + encode(seed++); -} -exports.yeast = yeast; -// -// Map each character to its index. -// -for (; i < length; i++) - map[alphabet[i]] = i; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.browser.d.ts deleted file mode 100644 index 28d0a7c5..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.browser.d.ts +++ /dev/null @@ -1 +0,0 @@ -export declare const globalThisShim: any; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.browser.js deleted file mode 100644 index 4e548de0..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.browser.js +++ /dev/null @@ -1,14 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.globalThisShim = void 0; -exports.globalThisShim = (() => { - if (typeof self !== "undefined") { - return self; - } - else if (typeof window !== "undefined") { - return window; - } - else { - return Function("return this")(); - } -})(); diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.d.ts deleted file mode 100644 index 4b9b90ff..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.d.ts +++ /dev/null @@ -1 +0,0 @@ -export declare const globalThisShim: typeof globalThis; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.js deleted file mode 100644 index 23fd5164..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/globalThis.js +++ /dev/null @@ -1,4 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.globalThisShim = void 0; -exports.globalThisShim = global; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/index.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/index.d.ts deleted file mode 100644 index 9e2dbd3c..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/index.d.ts +++ /dev/null @@ -1,9 +0,0 @@ -import { Socket } from "./socket.js"; -export { Socket }; -export { SocketOptions } from "./socket.js"; -export declare const protocol: number; -export { Transport, TransportError } from "./transport.js"; -export { transports } from "./transports/index.js"; -export { installTimerFunctions } from "./util.js"; -export { parse } from "./contrib/parseuri.js"; -export { nextTick } from "./transports/websocket-constructor.js"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/index.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/index.js deleted file mode 100644 index 6d8446bc..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/index.js +++ /dev/null @@ -1,17 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.nextTick = exports.parse = exports.installTimerFunctions = exports.transports = exports.TransportError = exports.Transport = exports.protocol = exports.Socket = void 0; -const socket_js_1 = require("./socket.js"); -Object.defineProperty(exports, "Socket", { enumerable: true, get: function () { return socket_js_1.Socket; } }); -exports.protocol = socket_js_1.Socket.protocol; -var transport_js_1 = require("./transport.js"); -Object.defineProperty(exports, "Transport", { enumerable: true, get: function () { return transport_js_1.Transport; } }); -Object.defineProperty(exports, "TransportError", { enumerable: true, get: function () { return transport_js_1.TransportError; } }); -var index_js_1 = require("./transports/index.js"); -Object.defineProperty(exports, "transports", { enumerable: true, get: function () { return index_js_1.transports; } }); -var util_js_1 = require("./util.js"); -Object.defineProperty(exports, "installTimerFunctions", { enumerable: true, get: function () { return util_js_1.installTimerFunctions; } }); -var parseuri_js_1 = require("./contrib/parseuri.js"); -Object.defineProperty(exports, "parse", { enumerable: true, get: function () { return parseuri_js_1.parse; } }); -var websocket_constructor_js_1 = require("./transports/websocket-constructor.js"); -Object.defineProperty(exports, "nextTick", { enumerable: true, get: function () { return websocket_constructor_js_1.nextTick; } }); diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/package.json b/examples/axum-echo/node_modules/engine.io-client/build/cjs/package.json deleted file mode 100644 index 9cf26e4d..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/package.json +++ /dev/null @@ -1,10 +0,0 @@ -{ - "name": "engine.io-client", - "type": "commonjs", - "browser": { - "ws": false, - "./transports/xmlhttprequest.js": "./transports/xmlhttprequest.browser.js", - "./transports/websocket-constructor.js": "./transports/websocket-constructor.browser.js", - "./globalThis.js": "./globalThis.browser.js" - } -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/socket.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/socket.d.ts deleted file mode 100644 index 027a0e37..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/socket.d.ts +++ /dev/null @@ -1,362 +0,0 @@ -import { Emitter } from "@socket.io/component-emitter"; -import type { Packet, BinaryType, RawData } from "engine.io-parser"; -import { CloseDetails, Transport } from "./transport.js"; -export interface SocketOptions { - /** - * The host that we're connecting to. Set from the URI passed when connecting - */ - host: string; - /** - * The hostname for our connection. Set from the URI passed when connecting - */ - hostname: string; - /** - * If this is a secure connection. Set from the URI passed when connecting - */ - secure: boolean; - /** - * The port for our connection. Set from the URI passed when connecting - */ - port: string | number; - /** - * Any query parameters in our uri. Set from the URI passed when connecting - */ - query: { - [key: string]: any; - }; - /** - * `http.Agent` to use, defaults to `false` (NodeJS only) - * - * Note: the type should be "undefined | http.Agent | https.Agent | false", but this would break browser-only clients. - * - * @see https://nodejs.org/api/http.html#httprequestoptions-callback - */ - agent: string | boolean; - /** - * Whether the client should try to upgrade the transport from - * long-polling to something better. - * @default true - */ - upgrade: boolean; - /** - * Forces base 64 encoding for polling transport even when XHR2 - * responseType is available and WebSocket even if the used standard - * supports binary. - */ - forceBase64: boolean; - /** - * The param name to use as our timestamp key - * @default 't' - */ - timestampParam: string; - /** - * Whether to add the timestamp with each transport request. Note: this - * is ignored if the browser is IE or Android, in which case requests - * are always stamped - * @default false - */ - timestampRequests: boolean; - /** - * A list of transports to try (in order). Engine.io always attempts to - * connect directly with the first one, provided the feature detection test - * for it passes. - * - * @default ['polling','websocket', 'webtransport'] - */ - transports: string[]; - /** - * If true and if the previous websocket connection to the server succeeded, - * the connection attempt will bypass the normal upgrade process and will - * initially try websocket. A connection attempt following a transport error - * will use the normal upgrade process. It is recommended you turn this on - * only when using SSL/TLS connections, or if you know that your network does - * not block websockets. - * @default false - */ - rememberUpgrade: boolean; - /** - * Are we only interested in transports that support binary? - */ - onlyBinaryUpgrades: boolean; - /** - * Timeout for xhr-polling requests in milliseconds (0) (only for polling transport) - */ - requestTimeout: number; - /** - * Transport options for Node.js client (headers etc) - */ - transportOptions: Object; - /** - * (SSL) Certificate, Private key and CA certificates to use for SSL. - * Can be used in Node.js client environment to manually specify - * certificate information. - */ - pfx: string; - /** - * (SSL) Private key to use for SSL. Can be used in Node.js client - * environment to manually specify certificate information. - */ - key: string; - /** - * (SSL) A string or passphrase for the private key or pfx. Can be - * used in Node.js client environment to manually specify certificate - * information. - */ - passphrase: string; - /** - * (SSL) Public x509 certificate to use. Can be used in Node.js client - * environment to manually specify certificate information. - */ - cert: string; - /** - * (SSL) An authority certificate or array of authority certificates to - * check the remote host against.. Can be used in Node.js client - * environment to manually specify certificate information. - */ - ca: string | string[]; - /** - * (SSL) A string describing the ciphers to use or exclude. Consult the - * [cipher format list] - * (http://www.openssl.org/docs/apps/ciphers.html#CIPHER_LIST_FORMAT) for - * details on the format.. Can be used in Node.js client environment to - * manually specify certificate information. - */ - ciphers: string; - /** - * (SSL) If true, the server certificate is verified against the list of - * supplied CAs. An 'error' event is emitted if verification fails. - * Verification happens at the connection level, before the HTTP request - * is sent. Can be used in Node.js client environment to manually specify - * certificate information. - */ - rejectUnauthorized: boolean; - /** - * Headers that will be passed for each request to the server (via xhr-polling and via websockets). - * These values then can be used during handshake or for special proxies. - */ - extraHeaders?: { - [header: string]: string; - }; - /** - * Whether to include credentials (cookies, authorization headers, TLS - * client certificates, etc.) with cross-origin XHR polling requests - * @default false - */ - withCredentials: boolean; - /** - * Whether to automatically close the connection whenever the beforeunload event is received. - * @default false - */ - closeOnBeforeunload: boolean; - /** - * Whether to always use the native timeouts. This allows the client to - * reconnect when the native timeout functions are overridden, such as when - * mock clocks are installed. - * @default false - */ - useNativeTimers: boolean; - /** - * weather we should unref the reconnect timer when it is - * create automatically - * @default false - */ - autoUnref: boolean; - /** - * parameters of the WebSocket permessage-deflate extension (see ws module api docs). Set to false to disable. - * @default false - */ - perMessageDeflate: { - threshold: number; - }; - /** - * The path to get our client file from, in the case of the server - * serving it - * @default '/engine.io' - */ - path: string; - /** - * Whether we should add a trailing slash to the request path. - * @default true - */ - addTrailingSlash: boolean; - /** - * Either a single protocol string or an array of protocol strings. These strings are used to indicate sub-protocols, - * so that a single server can implement multiple WebSocket sub-protocols (for example, you might want one server to - * be able to handle different types of interactions depending on the specified protocol) - * @default [] - */ - protocols: string | string[]; -} -interface HandshakeData { - sid: string; - upgrades: string[]; - pingInterval: number; - pingTimeout: number; - maxPayload: number; -} -interface SocketReservedEvents { - open: () => void; - handshake: (data: HandshakeData) => void; - packet: (packet: Packet) => void; - packetCreate: (packet: Packet) => void; - data: (data: any) => void; - message: (data: any) => void; - drain: () => void; - flush: () => void; - heartbeat: () => void; - ping: () => void; - pong: () => void; - error: (err: string | Error) => void; - upgrading: (transport: any) => void; - upgrade: (transport: any) => void; - upgradeError: (err: Error) => void; - close: (reason: string, description?: CloseDetails | Error) => void; -} -type SocketState = "opening" | "open" | "closing" | "closed"; -export declare class Socket extends Emitter, Record, SocketReservedEvents> { - id: string; - transport: Transport; - binaryType: BinaryType; - readyState: SocketState; - writeBuffer: Packet[]; - private prevBufferLen; - private upgrades; - private pingInterval; - private pingTimeout; - private pingTimeoutTimer; - private setTimeoutFn; - private clearTimeoutFn; - private readonly beforeunloadEventListener; - private readonly offlineEventListener; - private upgrading; - private maxPayload?; - private readonly opts; - private readonly secure; - private readonly hostname; - private readonly port; - private readonly transports; - static priorWebsocketSuccess: boolean; - static protocol: number; - /** - * Socket constructor. - * - * @param {String|Object} uri - uri or options - * @param {Object} opts - options - */ - constructor(uri: any, opts?: Partial); - /** - * Creates transport of the given type. - * - * @param {String} name - transport name - * @return {Transport} - * @private - */ - private createTransport; - /** - * Initializes transport to use and starts probe. - * - * @private - */ - private open; - /** - * Sets the current transport. Disables the existing one (if any). - * - * @private - */ - private setTransport; - /** - * Probes a transport. - * - * @param {String} name - transport name - * @private - */ - private probe; - /** - * Called when connection is deemed open. - * - * @private - */ - private onOpen; - /** - * Handles a packet. - * - * @private - */ - private onPacket; - /** - * Called upon handshake completion. - * - * @param {Object} data - handshake obj - * @private - */ - private onHandshake; - /** - * Sets and resets ping timeout timer based on server pings. - * - * @private - */ - private resetPingTimeout; - /** - * Called on `drain` event - * - * @private - */ - private onDrain; - /** - * Flush write buffers. - * - * @private - */ - private flush; - /** - * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP - * long-polling) - * - * @private - */ - private getWritablePackets; - /** - * Sends a message. - * - * @param {String} msg - message. - * @param {Object} options. - * @param {Function} callback function. - * @return {Socket} for chaining. - */ - write(msg: RawData, options?: any, fn?: any): this; - send(msg: RawData, options?: any, fn?: any): this; - /** - * Sends a packet. - * - * @param {String} type: packet type. - * @param {String} data. - * @param {Object} options. - * @param {Function} fn - callback function. - * @private - */ - private sendPacket; - /** - * Closes the connection. - */ - close(): this; - /** - * Called upon transport error - * - * @private - */ - private onError; - /** - * Called upon transport close. - * - * @private - */ - private onClose; - /** - * Filters upgrades, returning only those matching client transports. - * - * @param {Array} upgrades - server upgrades - * @private - */ - private filterUpgrades; -} -export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/socket.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/socket.js deleted file mode 100644 index 7ef82f8d..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/socket.js +++ /dev/null @@ -1,626 +0,0 @@ -"use strict"; -var __importDefault = (this && this.__importDefault) || function (mod) { - return (mod && mod.__esModule) ? mod : { "default": mod }; -}; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.Socket = void 0; -const index_js_1 = require("./transports/index.js"); -const util_js_1 = require("./util.js"); -const parseqs_js_1 = require("./contrib/parseqs.js"); -const parseuri_js_1 = require("./contrib/parseuri.js"); -const debug_1 = __importDefault(require("debug")); // debug() -const component_emitter_1 = require("@socket.io/component-emitter"); -const engine_io_parser_1 = require("engine.io-parser"); -const websocket_constructor_js_1 = require("./transports/websocket-constructor.js"); -const debug = (0, debug_1.default)("engine.io-client:socket"); // debug() -class Socket extends component_emitter_1.Emitter { - /** - * Socket constructor. - * - * @param {String|Object} uri - uri or options - * @param {Object} opts - options - */ - constructor(uri, opts = {}) { - super(); - this.binaryType = websocket_constructor_js_1.defaultBinaryType; - this.writeBuffer = []; - if (uri && "object" === typeof uri) { - opts = uri; - uri = null; - } - if (uri) { - uri = (0, parseuri_js_1.parse)(uri); - opts.hostname = uri.host; - opts.secure = uri.protocol === "https" || uri.protocol === "wss"; - opts.port = uri.port; - if (uri.query) - opts.query = uri.query; - } - else if (opts.host) { - opts.hostname = (0, parseuri_js_1.parse)(opts.host).host; - } - (0, util_js_1.installTimerFunctions)(this, opts); - this.secure = - null != opts.secure - ? opts.secure - : typeof location !== "undefined" && "https:" === location.protocol; - if (opts.hostname && !opts.port) { - // if no port is specified manually, use the protocol default - opts.port = this.secure ? "443" : "80"; - } - this.hostname = - opts.hostname || - (typeof location !== "undefined" ? location.hostname : "localhost"); - this.port = - opts.port || - (typeof location !== "undefined" && location.port - ? location.port - : this.secure - ? "443" - : "80"); - this.transports = opts.transports || [ - "polling", - "websocket", - "webtransport", - ]; - this.writeBuffer = []; - this.prevBufferLen = 0; - this.opts = Object.assign({ - path: "/engine.io", - agent: false, - withCredentials: false, - upgrade: true, - timestampParam: "t", - rememberUpgrade: false, - addTrailingSlash: true, - rejectUnauthorized: true, - perMessageDeflate: { - threshold: 1024, - }, - transportOptions: {}, - closeOnBeforeunload: false, - }, opts); - this.opts.path = - this.opts.path.replace(/\/$/, "") + - (this.opts.addTrailingSlash ? "/" : ""); - if (typeof this.opts.query === "string") { - this.opts.query = (0, parseqs_js_1.decode)(this.opts.query); - } - // set on handshake - this.id = null; - this.upgrades = null; - this.pingInterval = null; - this.pingTimeout = null; - // set on heartbeat - this.pingTimeoutTimer = null; - if (typeof addEventListener === "function") { - if (this.opts.closeOnBeforeunload) { - // Firefox closes the connection when the "beforeunload" event is emitted but not Chrome. This event listener - // ensures every browser behaves the same (no "disconnect" event at the Socket.IO level when the page is - // closed/reloaded) - this.beforeunloadEventListener = () => { - if (this.transport) { - // silently close the transport - this.transport.removeAllListeners(); - this.transport.close(); - } - }; - addEventListener("beforeunload", this.beforeunloadEventListener, false); - } - if (this.hostname !== "localhost") { - this.offlineEventListener = () => { - this.onClose("transport close", { - description: "network connection lost", - }); - }; - addEventListener("offline", this.offlineEventListener, false); - } - } - this.open(); - } - /** - * Creates transport of the given type. - * - * @param {String} name - transport name - * @return {Transport} - * @private - */ - createTransport(name) { - debug('creating transport "%s"', name); - const query = Object.assign({}, this.opts.query); - // append engine.io protocol identifier - query.EIO = engine_io_parser_1.protocol; - // transport name - query.transport = name; - // session id if we already have one - if (this.id) - query.sid = this.id; - const opts = Object.assign({}, this.opts, { - query, - socket: this, - hostname: this.hostname, - secure: this.secure, - port: this.port, - }, this.opts.transportOptions[name]); - debug("options: %j", opts); - return new index_js_1.transports[name](opts); - } - /** - * Initializes transport to use and starts probe. - * - * @private - */ - open() { - let transport; - if (this.opts.rememberUpgrade && - Socket.priorWebsocketSuccess && - this.transports.indexOf("websocket") !== -1) { - transport = "websocket"; - } - else if (0 === this.transports.length) { - // Emit error on next tick so it can be listened to - this.setTimeoutFn(() => { - this.emitReserved("error", "No transports available"); - }, 0); - return; - } - else { - transport = this.transports[0]; - } - this.readyState = "opening"; - // Retry with the next transport if the transport is disabled (jsonp: false) - try { - transport = this.createTransport(transport); - } - catch (e) { - debug("error while creating transport: %s", e); - this.transports.shift(); - this.open(); - return; - } - transport.open(); - this.setTransport(transport); - } - /** - * Sets the current transport. Disables the existing one (if any). - * - * @private - */ - setTransport(transport) { - debug("setting transport %s", transport.name); - if (this.transport) { - debug("clearing existing transport %s", this.transport.name); - this.transport.removeAllListeners(); - } - // set up transport - this.transport = transport; - // set up transport listeners - transport - .on("drain", this.onDrain.bind(this)) - .on("packet", this.onPacket.bind(this)) - .on("error", this.onError.bind(this)) - .on("close", (reason) => this.onClose("transport close", reason)); - } - /** - * Probes a transport. - * - * @param {String} name - transport name - * @private - */ - probe(name) { - debug('probing transport "%s"', name); - let transport = this.createTransport(name); - let failed = false; - Socket.priorWebsocketSuccess = false; - const onTransportOpen = () => { - if (failed) - return; - debug('probe transport "%s" opened', name); - transport.send([{ type: "ping", data: "probe" }]); - transport.once("packet", (msg) => { - if (failed) - return; - if ("pong" === msg.type && "probe" === msg.data) { - debug('probe transport "%s" pong', name); - this.upgrading = true; - this.emitReserved("upgrading", transport); - if (!transport) - return; - Socket.priorWebsocketSuccess = "websocket" === transport.name; - debug('pausing current transport "%s"', this.transport.name); - this.transport.pause(() => { - if (failed) - return; - if ("closed" === this.readyState) - return; - debug("changing transport and sending upgrade packet"); - cleanup(); - this.setTransport(transport); - transport.send([{ type: "upgrade" }]); - this.emitReserved("upgrade", transport); - transport = null; - this.upgrading = false; - this.flush(); - }); - } - else { - debug('probe transport "%s" failed', name); - const err = new Error("probe error"); - // @ts-ignore - err.transport = transport.name; - this.emitReserved("upgradeError", err); - } - }); - }; - function freezeTransport() { - if (failed) - return; - // Any callback called by transport should be ignored since now - failed = true; - cleanup(); - transport.close(); - transport = null; - } - // Handle any error that happens while probing - const onerror = (err) => { - const error = new Error("probe error: " + err); - // @ts-ignore - error.transport = transport.name; - freezeTransport(); - debug('probe transport "%s" failed because of error: %s', name, err); - this.emitReserved("upgradeError", error); - }; - function onTransportClose() { - onerror("transport closed"); - } - // When the socket is closed while we're probing - function onclose() { - onerror("socket closed"); - } - // When the socket is upgraded while we're probing - function onupgrade(to) { - if (transport && to.name !== transport.name) { - debug('"%s" works - aborting "%s"', to.name, transport.name); - freezeTransport(); - } - } - // Remove all listeners on the transport and on self - const cleanup = () => { - transport.removeListener("open", onTransportOpen); - transport.removeListener("error", onerror); - transport.removeListener("close", onTransportClose); - this.off("close", onclose); - this.off("upgrading", onupgrade); - }; - transport.once("open", onTransportOpen); - transport.once("error", onerror); - transport.once("close", onTransportClose); - this.once("close", onclose); - this.once("upgrading", onupgrade); - if (this.upgrades.indexOf("webtransport") !== -1 && - name !== "webtransport") { - // favor WebTransport - this.setTimeoutFn(() => { - if (!failed) { - transport.open(); - } - }, 200); - } - else { - transport.open(); - } - } - /** - * Called when connection is deemed open. - * - * @private - */ - onOpen() { - debug("socket open"); - this.readyState = "open"; - Socket.priorWebsocketSuccess = "websocket" === this.transport.name; - this.emitReserved("open"); - this.flush(); - // we check for `readyState` in case an `open` - // listener already closed the socket - if ("open" === this.readyState && this.opts.upgrade) { - debug("starting upgrade probes"); - let i = 0; - const l = this.upgrades.length; - for (; i < l; i++) { - this.probe(this.upgrades[i]); - } - } - } - /** - * Handles a packet. - * - * @private - */ - onPacket(packet) { - if ("opening" === this.readyState || - "open" === this.readyState || - "closing" === this.readyState) { - debug('socket receive: type "%s", data "%s"', packet.type, packet.data); - this.emitReserved("packet", packet); - // Socket is live - any packet counts - this.emitReserved("heartbeat"); - this.resetPingTimeout(); - switch (packet.type) { - case "open": - this.onHandshake(JSON.parse(packet.data)); - break; - case "ping": - this.sendPacket("pong"); - this.emitReserved("ping"); - this.emitReserved("pong"); - break; - case "error": - const err = new Error("server error"); - // @ts-ignore - err.code = packet.data; - this.onError(err); - break; - case "message": - this.emitReserved("data", packet.data); - this.emitReserved("message", packet.data); - break; - } - } - else { - debug('packet received with socket readyState "%s"', this.readyState); - } - } - /** - * Called upon handshake completion. - * - * @param {Object} data - handshake obj - * @private - */ - onHandshake(data) { - this.emitReserved("handshake", data); - this.id = data.sid; - this.transport.query.sid = data.sid; - this.upgrades = this.filterUpgrades(data.upgrades); - this.pingInterval = data.pingInterval; - this.pingTimeout = data.pingTimeout; - this.maxPayload = data.maxPayload; - this.onOpen(); - // In case open handler closes socket - if ("closed" === this.readyState) - return; - this.resetPingTimeout(); - } - /** - * Sets and resets ping timeout timer based on server pings. - * - * @private - */ - resetPingTimeout() { - this.clearTimeoutFn(this.pingTimeoutTimer); - this.pingTimeoutTimer = this.setTimeoutFn(() => { - this.onClose("ping timeout"); - }, this.pingInterval + this.pingTimeout); - if (this.opts.autoUnref) { - this.pingTimeoutTimer.unref(); - } - } - /** - * Called on `drain` event - * - * @private - */ - onDrain() { - this.writeBuffer.splice(0, this.prevBufferLen); - // setting prevBufferLen = 0 is very important - // for example, when upgrading, upgrade packet is sent over, - // and a nonzero prevBufferLen could cause problems on `drain` - this.prevBufferLen = 0; - if (0 === this.writeBuffer.length) { - this.emitReserved("drain"); - } - else { - this.flush(); - } - } - /** - * Flush write buffers. - * - * @private - */ - flush() { - if ("closed" !== this.readyState && - this.transport.writable && - !this.upgrading && - this.writeBuffer.length) { - const packets = this.getWritablePackets(); - debug("flushing %d packets in socket", packets.length); - this.transport.send(packets); - // keep track of current length of writeBuffer - // splice writeBuffer and callbackBuffer on `drain` - this.prevBufferLen = packets.length; - this.emitReserved("flush"); - } - } - /** - * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP - * long-polling) - * - * @private - */ - getWritablePackets() { - const shouldCheckPayloadSize = this.maxPayload && - this.transport.name === "polling" && - this.writeBuffer.length > 1; - if (!shouldCheckPayloadSize) { - return this.writeBuffer; - } - let payloadSize = 1; // first packet type - for (let i = 0; i < this.writeBuffer.length; i++) { - const data = this.writeBuffer[i].data; - if (data) { - payloadSize += (0, util_js_1.byteLength)(data); - } - if (i > 0 && payloadSize > this.maxPayload) { - debug("only send %d out of %d packets", i, this.writeBuffer.length); - return this.writeBuffer.slice(0, i); - } - payloadSize += 2; // separator + packet type - } - debug("payload size is %d (max: %d)", payloadSize, this.maxPayload); - return this.writeBuffer; - } - /** - * Sends a message. - * - * @param {String} msg - message. - * @param {Object} options. - * @param {Function} callback function. - * @return {Socket} for chaining. - */ - write(msg, options, fn) { - this.sendPacket("message", msg, options, fn); - return this; - } - send(msg, options, fn) { - this.sendPacket("message", msg, options, fn); - return this; - } - /** - * Sends a packet. - * - * @param {String} type: packet type. - * @param {String} data. - * @param {Object} options. - * @param {Function} fn - callback function. - * @private - */ - sendPacket(type, data, options, fn) { - if ("function" === typeof data) { - fn = data; - data = undefined; - } - if ("function" === typeof options) { - fn = options; - options = null; - } - if ("closing" === this.readyState || "closed" === this.readyState) { - return; - } - options = options || {}; - options.compress = false !== options.compress; - const packet = { - type: type, - data: data, - options: options, - }; - this.emitReserved("packetCreate", packet); - this.writeBuffer.push(packet); - if (fn) - this.once("flush", fn); - this.flush(); - } - /** - * Closes the connection. - */ - close() { - const close = () => { - this.onClose("forced close"); - debug("socket closing - telling transport to close"); - this.transport.close(); - }; - const cleanupAndClose = () => { - this.off("upgrade", cleanupAndClose); - this.off("upgradeError", cleanupAndClose); - close(); - }; - const waitForUpgrade = () => { - // wait for upgrade to finish since we can't send packets while pausing a transport - this.once("upgrade", cleanupAndClose); - this.once("upgradeError", cleanupAndClose); - }; - if ("opening" === this.readyState || "open" === this.readyState) { - this.readyState = "closing"; - if (this.writeBuffer.length) { - this.once("drain", () => { - if (this.upgrading) { - waitForUpgrade(); - } - else { - close(); - } - }); - } - else if (this.upgrading) { - waitForUpgrade(); - } - else { - close(); - } - } - return this; - } - /** - * Called upon transport error - * - * @private - */ - onError(err) { - debug("socket error %j", err); - Socket.priorWebsocketSuccess = false; - this.emitReserved("error", err); - this.onClose("transport error", err); - } - /** - * Called upon transport close. - * - * @private - */ - onClose(reason, description) { - if ("opening" === this.readyState || - "open" === this.readyState || - "closing" === this.readyState) { - debug('socket close with reason: "%s"', reason); - // clear timers - this.clearTimeoutFn(this.pingTimeoutTimer); - // stop event from firing again for transport - this.transport.removeAllListeners("close"); - // ensure transport won't stay open - this.transport.close(); - // ignore further transport communication - this.transport.removeAllListeners(); - if (typeof removeEventListener === "function") { - removeEventListener("beforeunload", this.beforeunloadEventListener, false); - removeEventListener("offline", this.offlineEventListener, false); - } - // set ready state - this.readyState = "closed"; - // clear session id - this.id = null; - // emit close event - this.emitReserved("close", reason, description); - // clean buffers after, so users can still - // grab the buffers on `close` event - this.writeBuffer = []; - this.prevBufferLen = 0; - } - } - /** - * Filters upgrades, returning only those matching client transports. - * - * @param {Array} upgrades - server upgrades - * @private - */ - filterUpgrades(upgrades) { - const filteredUpgrades = []; - let i = 0; - const j = upgrades.length; - for (; i < j; i++) { - if (~this.transports.indexOf(upgrades[i])) - filteredUpgrades.push(upgrades[i]); - } - return filteredUpgrades; - } -} -exports.Socket = Socket; -Socket.protocol = engine_io_parser_1.protocol; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transport.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transport.d.ts deleted file mode 100644 index 6ef488b9..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transport.d.ts +++ /dev/null @@ -1,106 +0,0 @@ -import type { Packet, RawData } from "engine.io-parser"; -import { Emitter } from "@socket.io/component-emitter"; -import { SocketOptions } from "./socket.js"; -export declare class TransportError extends Error { - readonly description: any; - readonly context: any; - readonly type = "TransportError"; - constructor(reason: string, description: any, context: any); -} -export interface CloseDetails { - description: string; - context?: unknown; -} -interface TransportReservedEvents { - open: () => void; - error: (err: TransportError) => void; - packet: (packet: Packet) => void; - close: (details?: CloseDetails) => void; - poll: () => void; - pollComplete: () => void; - drain: () => void; -} -type TransportState = "opening" | "open" | "closed" | "pausing" | "paused"; -export declare abstract class Transport extends Emitter, Record, TransportReservedEvents> { - query: Record; - writable: boolean; - protected opts: SocketOptions; - protected supportsBinary: boolean; - protected readyState: TransportState; - protected socket: any; - protected setTimeoutFn: typeof setTimeout; - /** - * Transport abstract constructor. - * - * @param {Object} opts - options - * @protected - */ - constructor(opts: any); - /** - * Emits an error. - * - * @param {String} reason - * @param description - * @param context - the error context - * @return {Transport} for chaining - * @protected - */ - protected onError(reason: string, description: any, context?: any): this; - /** - * Opens the transport. - */ - open(): this; - /** - * Closes the transport. - */ - close(): this; - /** - * Sends multiple packets. - * - * @param {Array} packets - */ - send(packets: any): void; - /** - * Called upon open - * - * @protected - */ - protected onOpen(): void; - /** - * Called with data. - * - * @param {String} data - * @protected - */ - protected onData(data: RawData): void; - /** - * Called with a decoded packet. - * - * @protected - */ - protected onPacket(packet: Packet): void; - /** - * Called upon close. - * - * @protected - */ - protected onClose(details?: CloseDetails): void; - /** - * The name of the transport - */ - abstract get name(): string; - /** - * Pauses the transport, in order not to lose packets during an upgrade. - * - * @param onPause - */ - pause(onPause: () => void): void; - protected createUri(schema: string, query?: Record): string; - private _hostname; - private _port; - private _query; - protected abstract doOpen(): any; - protected abstract doClose(): any; - protected abstract write(packets: Packet[]): any; -} -export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transport.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transport.js deleted file mode 100644 index e999479f..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transport.js +++ /dev/null @@ -1,152 +0,0 @@ -"use strict"; -var __importDefault = (this && this.__importDefault) || function (mod) { - return (mod && mod.__esModule) ? mod : { "default": mod }; -}; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.Transport = exports.TransportError = void 0; -const engine_io_parser_1 = require("engine.io-parser"); -const component_emitter_1 = require("@socket.io/component-emitter"); -const util_js_1 = require("./util.js"); -const debug_1 = __importDefault(require("debug")); // debug() -const parseqs_js_1 = require("./contrib/parseqs.js"); -const debug = (0, debug_1.default)("engine.io-client:transport"); // debug() -class TransportError extends Error { - constructor(reason, description, context) { - super(reason); - this.description = description; - this.context = context; - this.type = "TransportError"; - } -} -exports.TransportError = TransportError; -class Transport extends component_emitter_1.Emitter { - /** - * Transport abstract constructor. - * - * @param {Object} opts - options - * @protected - */ - constructor(opts) { - super(); - this.writable = false; - (0, util_js_1.installTimerFunctions)(this, opts); - this.opts = opts; - this.query = opts.query; - this.socket = opts.socket; - } - /** - * Emits an error. - * - * @param {String} reason - * @param description - * @param context - the error context - * @return {Transport} for chaining - * @protected - */ - onError(reason, description, context) { - super.emitReserved("error", new TransportError(reason, description, context)); - return this; - } - /** - * Opens the transport. - */ - open() { - this.readyState = "opening"; - this.doOpen(); - return this; - } - /** - * Closes the transport. - */ - close() { - if (this.readyState === "opening" || this.readyState === "open") { - this.doClose(); - this.onClose(); - } - return this; - } - /** - * Sends multiple packets. - * - * @param {Array} packets - */ - send(packets) { - if (this.readyState === "open") { - this.write(packets); - } - else { - // this might happen if the transport was silently closed in the beforeunload event handler - debug("transport is not open, discarding packets"); - } - } - /** - * Called upon open - * - * @protected - */ - onOpen() { - this.readyState = "open"; - this.writable = true; - super.emitReserved("open"); - } - /** - * Called with data. - * - * @param {String} data - * @protected - */ - onData(data) { - const packet = (0, engine_io_parser_1.decodePacket)(data, this.socket.binaryType); - this.onPacket(packet); - } - /** - * Called with a decoded packet. - * - * @protected - */ - onPacket(packet) { - super.emitReserved("packet", packet); - } - /** - * Called upon close. - * - * @protected - */ - onClose(details) { - this.readyState = "closed"; - super.emitReserved("close", details); - } - /** - * Pauses the transport, in order not to lose packets during an upgrade. - * - * @param onPause - */ - pause(onPause) { } - createUri(schema, query = {}) { - return (schema + - "://" + - this._hostname() + - this._port() + - this.opts.path + - this._query(query)); - } - _hostname() { - const hostname = this.opts.hostname; - return hostname.indexOf(":") === -1 ? hostname : "[" + hostname + "]"; - } - _port() { - if (this.opts.port && - ((this.opts.secure && Number(this.opts.port !== 443)) || - (!this.opts.secure && Number(this.opts.port) !== 80))) { - return ":" + this.opts.port; - } - else { - return ""; - } - } - _query(query) { - const encodedQuery = (0, parseqs_js_1.encode)(query); - return encodedQuery.length ? "?" + encodedQuery : ""; - } -} -exports.Transport = Transport; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/index.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/index.d.ts deleted file mode 100644 index 6617f8ce..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/index.d.ts +++ /dev/null @@ -1,8 +0,0 @@ -import { Polling } from "./polling.js"; -import { WS } from "./websocket.js"; -import { WT } from "./webtransport.js"; -export declare const transports: { - websocket: typeof WS; - webtransport: typeof WT; - polling: typeof Polling; -}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/index.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/index.js deleted file mode 100644 index 4c34a888..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/index.js +++ /dev/null @@ -1,11 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.transports = void 0; -const polling_js_1 = require("./polling.js"); -const websocket_js_1 = require("./websocket.js"); -const webtransport_js_1 = require("./webtransport.js"); -exports.transports = { - websocket: websocket_js_1.WS, - webtransport: webtransport_js_1.WT, - polling: polling_js_1.Polling, -}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/polling.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/polling.d.ts deleted file mode 100644 index 176ce57a..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/polling.d.ts +++ /dev/null @@ -1,137 +0,0 @@ -import { Transport } from "../transport.js"; -import { RawData } from "engine.io-parser"; -import { Emitter } from "@socket.io/component-emitter"; -export declare class Polling extends Transport { - private readonly xd; - private polling; - private pollXhr; - private cookieJar?; - /** - * XHR Polling constructor. - * - * @param {Object} opts - * @package - */ - constructor(opts: any); - get name(): string; - /** - * Opens the socket (triggers polling). We write a PING message to determine - * when the transport is open. - * - * @protected - */ - doOpen(): void; - /** - * Pauses polling. - * - * @param {Function} onPause - callback upon buffers are flushed and transport is paused - * @package - */ - pause(onPause: any): void; - /** - * Starts polling cycle. - * - * @private - */ - poll(): void; - /** - * Overloads onData to detect payloads. - * - * @protected - */ - onData(data: any): void; - /** - * For polling, send a close packet. - * - * @protected - */ - doClose(): void; - /** - * Writes a packets payload. - * - * @param {Array} packets - data packets - * @protected - */ - write(packets: any): void; - /** - * Generates uri for connection. - * - * @private - */ - private uri; - /** - * Creates a request. - * - * @param {String} method - * @private - */ - request(opts?: {}): Request; - /** - * Sends data. - * - * @param {String} data to send. - * @param {Function} called upon flush. - * @private - */ - private doWrite; - /** - * Starts a poll cycle. - * - * @private - */ - private doPoll; -} -interface RequestReservedEvents { - success: () => void; - data: (data: RawData) => void; - error: (err: number | Error, context: unknown) => void; -} -export declare class Request extends Emitter<{}, {}, RequestReservedEvents> { - private readonly opts; - private readonly method; - private readonly uri; - private readonly data; - private xhr; - private setTimeoutFn; - private index; - static requestsCount: number; - static requests: {}; - /** - * Request constructor - * - * @param {Object} options - * @package - */ - constructor(uri: any, opts: any); - /** - * Creates the XHR object and sends the request. - * - * @private - */ - private create; - /** - * Called upon error. - * - * @private - */ - private onError; - /** - * Cleans up house. - * - * @private - */ - private cleanup; - /** - * Called upon load. - * - * @private - */ - private onLoad; - /** - * Aborts the request. - * - * @package - */ - abort(): void; -} -export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/polling.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/polling.js deleted file mode 100644 index e69c7a70..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/polling.js +++ /dev/null @@ -1,414 +0,0 @@ -"use strict"; -var __importDefault = (this && this.__importDefault) || function (mod) { - return (mod && mod.__esModule) ? mod : { "default": mod }; -}; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.Request = exports.Polling = void 0; -const transport_js_1 = require("../transport.js"); -const debug_1 = __importDefault(require("debug")); // debug() -const yeast_js_1 = require("../contrib/yeast.js"); -const engine_io_parser_1 = require("engine.io-parser"); -const xmlhttprequest_js_1 = require("./xmlhttprequest.js"); -const component_emitter_1 = require("@socket.io/component-emitter"); -const util_js_1 = require("../util.js"); -const globalThis_js_1 = require("../globalThis.js"); -const debug = (0, debug_1.default)("engine.io-client:polling"); // debug() -function empty() { } -const hasXHR2 = (function () { - const xhr = new xmlhttprequest_js_1.XHR({ - xdomain: false, - }); - return null != xhr.responseType; -})(); -class Polling extends transport_js_1.Transport { - /** - * XHR Polling constructor. - * - * @param {Object} opts - * @package - */ - constructor(opts) { - super(opts); - this.polling = false; - if (typeof location !== "undefined") { - const isSSL = "https:" === location.protocol; - let port = location.port; - // some user agents have empty `location.port` - if (!port) { - port = isSSL ? "443" : "80"; - } - this.xd = - (typeof location !== "undefined" && - opts.hostname !== location.hostname) || - port !== opts.port; - } - /** - * XHR supports binary - */ - const forceBase64 = opts && opts.forceBase64; - this.supportsBinary = hasXHR2 && !forceBase64; - if (this.opts.withCredentials) { - this.cookieJar = (0, xmlhttprequest_js_1.createCookieJar)(); - } - } - get name() { - return "polling"; - } - /** - * Opens the socket (triggers polling). We write a PING message to determine - * when the transport is open. - * - * @protected - */ - doOpen() { - this.poll(); - } - /** - * Pauses polling. - * - * @param {Function} onPause - callback upon buffers are flushed and transport is paused - * @package - */ - pause(onPause) { - this.readyState = "pausing"; - const pause = () => { - debug("paused"); - this.readyState = "paused"; - onPause(); - }; - if (this.polling || !this.writable) { - let total = 0; - if (this.polling) { - debug("we are currently polling - waiting to pause"); - total++; - this.once("pollComplete", function () { - debug("pre-pause polling complete"); - --total || pause(); - }); - } - if (!this.writable) { - debug("we are currently writing - waiting to pause"); - total++; - this.once("drain", function () { - debug("pre-pause writing complete"); - --total || pause(); - }); - } - } - else { - pause(); - } - } - /** - * Starts polling cycle. - * - * @private - */ - poll() { - debug("polling"); - this.polling = true; - this.doPoll(); - this.emitReserved("poll"); - } - /** - * Overloads onData to detect payloads. - * - * @protected - */ - onData(data) { - debug("polling got data %s", data); - const callback = (packet) => { - // if its the first message we consider the transport open - if ("opening" === this.readyState && packet.type === "open") { - this.onOpen(); - } - // if its a close packet, we close the ongoing requests - if ("close" === packet.type) { - this.onClose({ description: "transport closed by the server" }); - return false; - } - // otherwise bypass onData and handle the message - this.onPacket(packet); - }; - // decode payload - (0, engine_io_parser_1.decodePayload)(data, this.socket.binaryType).forEach(callback); - // if an event did not trigger closing - if ("closed" !== this.readyState) { - // if we got data we're not polling - this.polling = false; - this.emitReserved("pollComplete"); - if ("open" === this.readyState) { - this.poll(); - } - else { - debug('ignoring poll - transport state "%s"', this.readyState); - } - } - } - /** - * For polling, send a close packet. - * - * @protected - */ - doClose() { - const close = () => { - debug("writing close packet"); - this.write([{ type: "close" }]); - }; - if ("open" === this.readyState) { - debug("transport open - closing"); - close(); - } - else { - // in case we're trying to close while - // handshaking is in progress (GH-164) - debug("transport not open - deferring close"); - this.once("open", close); - } - } - /** - * Writes a packets payload. - * - * @param {Array} packets - data packets - * @protected - */ - write(packets) { - this.writable = false; - (0, engine_io_parser_1.encodePayload)(packets, (data) => { - this.doWrite(data, () => { - this.writable = true; - this.emitReserved("drain"); - }); - }); - } - /** - * Generates uri for connection. - * - * @private - */ - uri() { - const schema = this.opts.secure ? "https" : "http"; - const query = this.query || {}; - // cache busting is forced - if (false !== this.opts.timestampRequests) { - query[this.opts.timestampParam] = (0, yeast_js_1.yeast)(); - } - if (!this.supportsBinary && !query.sid) { - query.b64 = 1; - } - return this.createUri(schema, query); - } - /** - * Creates a request. - * - * @param {String} method - * @private - */ - request(opts = {}) { - Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts); - return new Request(this.uri(), opts); - } - /** - * Sends data. - * - * @param {String} data to send. - * @param {Function} called upon flush. - * @private - */ - doWrite(data, fn) { - const req = this.request({ - method: "POST", - data: data, - }); - req.on("success", fn); - req.on("error", (xhrStatus, context) => { - this.onError("xhr post error", xhrStatus, context); - }); - } - /** - * Starts a poll cycle. - * - * @private - */ - doPoll() { - debug("xhr poll"); - const req = this.request(); - req.on("data", this.onData.bind(this)); - req.on("error", (xhrStatus, context) => { - this.onError("xhr poll error", xhrStatus, context); - }); - this.pollXhr = req; - } -} -exports.Polling = Polling; -class Request extends component_emitter_1.Emitter { - /** - * Request constructor - * - * @param {Object} options - * @package - */ - constructor(uri, opts) { - super(); - (0, util_js_1.installTimerFunctions)(this, opts); - this.opts = opts; - this.method = opts.method || "GET"; - this.uri = uri; - this.data = undefined !== opts.data ? opts.data : null; - this.create(); - } - /** - * Creates the XHR object and sends the request. - * - * @private - */ - create() { - var _a; - const opts = (0, util_js_1.pick)(this.opts, "agent", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "autoUnref"); - opts.xdomain = !!this.opts.xd; - const xhr = (this.xhr = new xmlhttprequest_js_1.XHR(opts)); - try { - debug("xhr open %s: %s", this.method, this.uri); - xhr.open(this.method, this.uri, true); - try { - if (this.opts.extraHeaders) { - xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true); - for (let i in this.opts.extraHeaders) { - if (this.opts.extraHeaders.hasOwnProperty(i)) { - xhr.setRequestHeader(i, this.opts.extraHeaders[i]); - } - } - } - } - catch (e) { } - if ("POST" === this.method) { - try { - xhr.setRequestHeader("Content-type", "text/plain;charset=UTF-8"); - } - catch (e) { } - } - try { - xhr.setRequestHeader("Accept", "*/*"); - } - catch (e) { } - (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr); - // ie6 check - if ("withCredentials" in xhr) { - xhr.withCredentials = this.opts.withCredentials; - } - if (this.opts.requestTimeout) { - xhr.timeout = this.opts.requestTimeout; - } - xhr.onreadystatechange = () => { - var _a; - if (xhr.readyState === 3) { - (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr); - } - if (4 !== xhr.readyState) - return; - if (200 === xhr.status || 1223 === xhr.status) { - this.onLoad(); - } - else { - // make sure the `error` event handler that's user-set - // does not throw in the same tick and gets caught here - this.setTimeoutFn(() => { - this.onError(typeof xhr.status === "number" ? xhr.status : 0); - }, 0); - } - }; - debug("xhr data %s", this.data); - xhr.send(this.data); - } - catch (e) { - // Need to defer since .create() is called directly from the constructor - // and thus the 'error' event can only be only bound *after* this exception - // occurs. Therefore, also, we cannot throw here at all. - this.setTimeoutFn(() => { - this.onError(e); - }, 0); - return; - } - if (typeof document !== "undefined") { - this.index = Request.requestsCount++; - Request.requests[this.index] = this; - } - } - /** - * Called upon error. - * - * @private - */ - onError(err) { - this.emitReserved("error", err, this.xhr); - this.cleanup(true); - } - /** - * Cleans up house. - * - * @private - */ - cleanup(fromError) { - if ("undefined" === typeof this.xhr || null === this.xhr) { - return; - } - this.xhr.onreadystatechange = empty; - if (fromError) { - try { - this.xhr.abort(); - } - catch (e) { } - } - if (typeof document !== "undefined") { - delete Request.requests[this.index]; - } - this.xhr = null; - } - /** - * Called upon load. - * - * @private - */ - onLoad() { - const data = this.xhr.responseText; - if (data !== null) { - this.emitReserved("data", data); - this.emitReserved("success"); - this.cleanup(); - } - } - /** - * Aborts the request. - * - * @package - */ - abort() { - this.cleanup(); - } -} -exports.Request = Request; -Request.requestsCount = 0; -Request.requests = {}; -/** - * Aborts pending requests when unloading the window. This is needed to prevent - * memory leaks (e.g. when using IE) and to ensure that no spurious error is - * emitted. - */ -if (typeof document !== "undefined") { - // @ts-ignore - if (typeof attachEvent === "function") { - // @ts-ignore - attachEvent("onunload", unloadHandler); - } - else if (typeof addEventListener === "function") { - const terminationEvent = "onpagehide" in globalThis_js_1.globalThisShim ? "pagehide" : "unload"; - addEventListener(terminationEvent, unloadHandler, false); - } -} -function unloadHandler() { - for (let i in Request.requests) { - if (Request.requests.hasOwnProperty(i)) { - Request.requests[i].abort(); - } - } -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.browser.d.ts deleted file mode 100644 index 4f1b60e9..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.browser.d.ts +++ /dev/null @@ -1,4 +0,0 @@ -export declare const nextTick: (cb: any, setTimeoutFn: any) => any; -export declare const WebSocket: any; -export declare const usingBrowserWebSocket = true; -export declare const defaultBinaryType = "arraybuffer"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.browser.js deleted file mode 100644 index d7e10a7c..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.browser.js +++ /dev/null @@ -1,16 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.defaultBinaryType = exports.usingBrowserWebSocket = exports.WebSocket = exports.nextTick = void 0; -const globalThis_js_1 = require("../globalThis.js"); -exports.nextTick = (() => { - const isPromiseAvailable = typeof Promise === "function" && typeof Promise.resolve === "function"; - if (isPromiseAvailable) { - return (cb) => Promise.resolve().then(cb); - } - else { - return (cb, setTimeoutFn) => setTimeoutFn(cb, 0); - } -})(); -exports.WebSocket = globalThis_js_1.globalThisShim.WebSocket || globalThis_js_1.globalThisShim.MozWebSocket; -exports.usingBrowserWebSocket = true; -exports.defaultBinaryType = "arraybuffer"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.d.ts deleted file mode 100644 index 55095005..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.d.ts +++ /dev/null @@ -1,4 +0,0 @@ -export declare const WebSocket: any; -export declare const usingBrowserWebSocket = false; -export declare const defaultBinaryType = "nodebuffer"; -export declare const nextTick: (callback: Function, ...args: any[]) => void; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.js deleted file mode 100644 index 6ebda117..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket-constructor.js +++ /dev/null @@ -1,11 +0,0 @@ -"use strict"; -var __importDefault = (this && this.__importDefault) || function (mod) { - return (mod && mod.__esModule) ? mod : { "default": mod }; -}; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.nextTick = exports.defaultBinaryType = exports.usingBrowserWebSocket = exports.WebSocket = void 0; -const ws_1 = __importDefault(require("ws")); -exports.WebSocket = ws_1.default; -exports.usingBrowserWebSocket = false; -exports.defaultBinaryType = "nodebuffer"; -exports.nextTick = process.nextTick; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket.d.ts deleted file mode 100644 index 30dfe291..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket.d.ts +++ /dev/null @@ -1,34 +0,0 @@ -import { Transport } from "../transport.js"; -export declare class WS extends Transport { - private ws; - /** - * WebSocket transport constructor. - * - * @param {Object} opts - connection options - * @protected - */ - constructor(opts: any); - get name(): string; - doOpen(): this; - /** - * Adds event listeners to the socket - * - * @private - */ - private addEventListeners; - write(packets: any): void; - doClose(): void; - /** - * Generates uri for connection. - * - * @private - */ - private uri; - /** - * Feature detection for WebSocket. - * - * @return {Boolean} whether this transport is available. - * @private - */ - private check; -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket.js deleted file mode 100644 index 0c6be50a..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/websocket.js +++ /dev/null @@ -1,162 +0,0 @@ -"use strict"; -var __importDefault = (this && this.__importDefault) || function (mod) { - return (mod && mod.__esModule) ? mod : { "default": mod }; -}; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.WS = void 0; -const transport_js_1 = require("../transport.js"); -const yeast_js_1 = require("../contrib/yeast.js"); -const util_js_1 = require("../util.js"); -const websocket_constructor_js_1 = require("./websocket-constructor.js"); -const debug_1 = __importDefault(require("debug")); // debug() -const engine_io_parser_1 = require("engine.io-parser"); -const debug = (0, debug_1.default)("engine.io-client:websocket"); // debug() -// detect ReactNative environment -const isReactNative = typeof navigator !== "undefined" && - typeof navigator.product === "string" && - navigator.product.toLowerCase() === "reactnative"; -class WS extends transport_js_1.Transport { - /** - * WebSocket transport constructor. - * - * @param {Object} opts - connection options - * @protected - */ - constructor(opts) { - super(opts); - this.supportsBinary = !opts.forceBase64; - } - get name() { - return "websocket"; - } - doOpen() { - if (!this.check()) { - // let probe timeout - return; - } - const uri = this.uri(); - const protocols = this.opts.protocols; - // React Native only supports the 'headers' option, and will print a warning if anything else is passed - const opts = isReactNative - ? {} - : (0, util_js_1.pick)(this.opts, "agent", "perMessageDeflate", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "localAddress", "protocolVersion", "origin", "maxPayload", "family", "checkServerIdentity"); - if (this.opts.extraHeaders) { - opts.headers = this.opts.extraHeaders; - } - try { - this.ws = - websocket_constructor_js_1.usingBrowserWebSocket && !isReactNative - ? protocols - ? new websocket_constructor_js_1.WebSocket(uri, protocols) - : new websocket_constructor_js_1.WebSocket(uri) - : new websocket_constructor_js_1.WebSocket(uri, protocols, opts); - } - catch (err) { - return this.emitReserved("error", err); - } - this.ws.binaryType = this.socket.binaryType; - this.addEventListeners(); - } - /** - * Adds event listeners to the socket - * - * @private - */ - addEventListeners() { - this.ws.onopen = () => { - if (this.opts.autoUnref) { - this.ws._socket.unref(); - } - this.onOpen(); - }; - this.ws.onclose = (closeEvent) => this.onClose({ - description: "websocket connection closed", - context: closeEvent, - }); - this.ws.onmessage = (ev) => this.onData(ev.data); - this.ws.onerror = (e) => this.onError("websocket error", e); - } - write(packets) { - this.writable = false; - // encodePacket efficient as it uses WS framing - // no need for encodePayload - for (let i = 0; i < packets.length; i++) { - const packet = packets[i]; - const lastPacket = i === packets.length - 1; - (0, engine_io_parser_1.encodePacket)(packet, this.supportsBinary, (data) => { - // always create a new object (GH-437) - const opts = {}; - if (!websocket_constructor_js_1.usingBrowserWebSocket) { - if (packet.options) { - opts.compress = packet.options.compress; - } - if (this.opts.perMessageDeflate) { - const len = - // @ts-ignore - "string" === typeof data ? Buffer.byteLength(data) : data.length; - if (len < this.opts.perMessageDeflate.threshold) { - opts.compress = false; - } - } - } - // Sometimes the websocket has already been closed but the browser didn't - // have a chance of informing us about it yet, in that case send will - // throw an error - try { - if (websocket_constructor_js_1.usingBrowserWebSocket) { - // TypeError is thrown when passing the second argument on Safari - this.ws.send(data); - } - else { - this.ws.send(data, opts); - } - } - catch (e) { - debug("websocket closed before onclose event"); - } - if (lastPacket) { - // fake drain - // defer to next tick to allow Socket to clear writeBuffer - (0, websocket_constructor_js_1.nextTick)(() => { - this.writable = true; - this.emitReserved("drain"); - }, this.setTimeoutFn); - } - }); - } - } - doClose() { - if (typeof this.ws !== "undefined") { - this.ws.close(); - this.ws = null; - } - } - /** - * Generates uri for connection. - * - * @private - */ - uri() { - const schema = this.opts.secure ? "wss" : "ws"; - const query = this.query || {}; - // append timestamp to URI - if (this.opts.timestampRequests) { - query[this.opts.timestampParam] = (0, yeast_js_1.yeast)(); - } - // communicate binary support capabilities - if (!this.supportsBinary) { - query.b64 = 1; - } - return this.createUri(schema, query); - } - /** - * Feature detection for WebSocket. - * - * @return {Boolean} whether this transport is available. - * @private - */ - check() { - return !!websocket_constructor_js_1.WebSocket; - } -} -exports.WS = WS; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/webtransport.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/webtransport.d.ts deleted file mode 100644 index 093d6605..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/webtransport.d.ts +++ /dev/null @@ -1,10 +0,0 @@ -import { Transport } from "../transport.js"; -import { Packet } from "engine.io-parser"; -export declare class WT extends Transport { - private transport; - private writer; - get name(): string; - protected doOpen(): void; - protected write(packets: Packet[]): void; - protected doClose(): void; -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/webtransport.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/webtransport.js deleted file mode 100644 index b9e9b6a7..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/webtransport.js +++ /dev/null @@ -1,85 +0,0 @@ -"use strict"; -var __importDefault = (this && this.__importDefault) || function (mod) { - return (mod && mod.__esModule) ? mod : { "default": mod }; -}; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.WT = void 0; -const transport_js_1 = require("../transport.js"); -const websocket_constructor_js_1 = require("./websocket-constructor.js"); -const engine_io_parser_1 = require("engine.io-parser"); -const debug_1 = __importDefault(require("debug")); // debug() -const debug = (0, debug_1.default)("engine.io-client:webtransport"); // debug() -class WT extends transport_js_1.Transport { - get name() { - return "webtransport"; - } - doOpen() { - // @ts-ignore - if (typeof WebTransport !== "function") { - return; - } - // @ts-ignore - this.transport = new WebTransport(this.createUri("https"), this.opts.transportOptions[this.name]); - this.transport.closed - .then(() => { - debug("transport closed gracefully"); - this.onClose(); - }) - .catch((err) => { - debug("transport closed due to %s", err); - this.onError("webtransport error", err); - }); - // note: we could have used async/await, but that would require some additional polyfills - this.transport.ready.then(() => { - this.transport.createBidirectionalStream().then((stream) => { - const decoderStream = (0, engine_io_parser_1.createPacketDecoderStream)(Number.MAX_SAFE_INTEGER, this.socket.binaryType); - const reader = stream.readable.pipeThrough(decoderStream).getReader(); - const encoderStream = (0, engine_io_parser_1.createPacketEncoderStream)(); - encoderStream.readable.pipeTo(stream.writable); - this.writer = encoderStream.writable.getWriter(); - const read = () => { - reader - .read() - .then(({ done, value }) => { - if (done) { - debug("session is closed"); - return; - } - debug("received chunk: %o", value); - this.onPacket(value); - read(); - }) - .catch((err) => { - debug("an error occurred while reading: %s", err); - }); - }; - read(); - const packet = { type: "open" }; - if (this.query.sid) { - packet.data = `{"sid":"${this.query.sid}"}`; - } - this.writer.write(packet).then(() => this.onOpen()); - }); - }); - } - write(packets) { - this.writable = false; - for (let i = 0; i < packets.length; i++) { - const packet = packets[i]; - const lastPacket = i === packets.length - 1; - this.writer.write(packet).then(() => { - if (lastPacket) { - (0, websocket_constructor_js_1.nextTick)(() => { - this.writable = true; - this.emitReserved("drain"); - }, this.setTimeoutFn); - } - }); - } - } - doClose() { - var _a; - (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close(); - } -} -exports.WT = WT; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.browser.d.ts deleted file mode 100644 index cb475422..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.browser.d.ts +++ /dev/null @@ -1,2 +0,0 @@ -export declare function XHR(opts: any): any; -export declare function createCookieJar(): void; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.browser.js deleted file mode 100644 index cf1d8081..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.browser.js +++ /dev/null @@ -1,25 +0,0 @@ -"use strict"; -// browser shim for xmlhttprequest module -Object.defineProperty(exports, "__esModule", { value: true }); -exports.createCookieJar = exports.XHR = void 0; -const has_cors_js_1 = require("../contrib/has-cors.js"); -const globalThis_js_1 = require("../globalThis.js"); -function XHR(opts) { - const xdomain = opts.xdomain; - // XMLHttpRequest can be disabled on IE - try { - if ("undefined" !== typeof XMLHttpRequest && (!xdomain || has_cors_js_1.hasCORS)) { - return new XMLHttpRequest(); - } - } - catch (e) { } - if (!xdomain) { - try { - return new globalThis_js_1.globalThisShim[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP"); - } - catch (e) { } - } -} -exports.XHR = XHR; -function createCookieJar() { } -exports.createCookieJar = createCookieJar; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.d.ts deleted file mode 100644 index f2af011a..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.d.ts +++ /dev/null @@ -1,17 +0,0 @@ -export declare const XHR: any; -export declare function createCookieJar(): CookieJar; -interface Cookie { - name: string; - value: string; - expires?: Date; -} -/** - * @see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie - */ -export declare function parse(setCookieString: string): Cookie; -export declare class CookieJar { - private cookies; - parseCookies(xhr: any): void; - addCookies(xhr: any): void; -} -export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.js deleted file mode 100644 index 42d62db3..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/transports/xmlhttprequest.js +++ /dev/null @@ -1,111 +0,0 @@ -"use strict"; -var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { - if (k2 === undefined) k2 = k; - var desc = Object.getOwnPropertyDescriptor(m, k); - if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { - desc = { enumerable: true, get: function() { return m[k]; } }; - } - Object.defineProperty(o, k2, desc); -}) : (function(o, m, k, k2) { - if (k2 === undefined) k2 = k; - o[k2] = m[k]; -})); -var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) { - Object.defineProperty(o, "default", { enumerable: true, value: v }); -}) : function(o, v) { - o["default"] = v; -}); -var __importStar = (this && this.__importStar) || function (mod) { - if (mod && mod.__esModule) return mod; - var result = {}; - if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k); - __setModuleDefault(result, mod); - return result; -}; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.CookieJar = exports.parse = exports.createCookieJar = exports.XHR = void 0; -const XMLHttpRequestModule = __importStar(require("xmlhttprequest-ssl")); -exports.XHR = XMLHttpRequestModule.default || XMLHttpRequestModule; -function createCookieJar() { - return new CookieJar(); -} -exports.createCookieJar = createCookieJar; -/** - * @see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie - */ -function parse(setCookieString) { - const parts = setCookieString.split("; "); - const i = parts[0].indexOf("="); - if (i === -1) { - return; - } - const name = parts[0].substring(0, i).trim(); - if (!name.length) { - return; - } - let value = parts[0].substring(i + 1).trim(); - if (value.charCodeAt(0) === 0x22) { - // remove double quotes - value = value.slice(1, -1); - } - const cookie = { - name, - value, - }; - for (let j = 1; j < parts.length; j++) { - const subParts = parts[j].split("="); - if (subParts.length !== 2) { - continue; - } - const key = subParts[0].trim(); - const value = subParts[1].trim(); - switch (key) { - case "Expires": - cookie.expires = new Date(value); - break; - case "Max-Age": - const expiration = new Date(); - expiration.setUTCSeconds(expiration.getUTCSeconds() + parseInt(value, 10)); - cookie.expires = expiration; - break; - default: - // ignore other keys - } - } - return cookie; -} -exports.parse = parse; -class CookieJar { - constructor() { - this.cookies = new Map(); - } - parseCookies(xhr) { - const values = xhr.getResponseHeader("set-cookie"); - if (!values) { - return; - } - values.forEach((value) => { - const parsed = parse(value); - if (parsed) { - this.cookies.set(parsed.name, parsed); - } - }); - } - addCookies(xhr) { - const cookies = []; - this.cookies.forEach((cookie, name) => { - var _a; - if (((_a = cookie.expires) === null || _a === void 0 ? void 0 : _a.getTime()) < Date.now()) { - this.cookies.delete(name); - } - else { - cookies.push(`${name}=${cookie.value}`); - } - }); - if (cookies.length) { - xhr.setDisableHeaderCheck(true); - xhr.setRequestHeader("cookie", cookies.join("; ")); - } - } -} -exports.CookieJar = CookieJar; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/util.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/cjs/util.d.ts deleted file mode 100644 index 5921b7b7..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/util.d.ts +++ /dev/null @@ -1,3 +0,0 @@ -export declare function pick(obj: any, ...attr: any[]): any; -export declare function installTimerFunctions(obj: any, opts: any): void; -export declare function byteLength(obj: any): number; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/cjs/util.js b/examples/axum-echo/node_modules/engine.io-client/build/cjs/util.js deleted file mode 100644 index cadd450d..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/cjs/util.js +++ /dev/null @@ -1,58 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.byteLength = exports.installTimerFunctions = exports.pick = void 0; -const globalThis_js_1 = require("./globalThis.js"); -function pick(obj, ...attr) { - return attr.reduce((acc, k) => { - if (obj.hasOwnProperty(k)) { - acc[k] = obj[k]; - } - return acc; - }, {}); -} -exports.pick = pick; -// Keep a reference to the real timeout functions so they can be used when overridden -const NATIVE_SET_TIMEOUT = globalThis_js_1.globalThisShim.setTimeout; -const NATIVE_CLEAR_TIMEOUT = globalThis_js_1.globalThisShim.clearTimeout; -function installTimerFunctions(obj, opts) { - if (opts.useNativeTimers) { - obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis_js_1.globalThisShim); - obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis_js_1.globalThisShim); - } - else { - obj.setTimeoutFn = globalThis_js_1.globalThisShim.setTimeout.bind(globalThis_js_1.globalThisShim); - obj.clearTimeoutFn = globalThis_js_1.globalThisShim.clearTimeout.bind(globalThis_js_1.globalThisShim); - } -} -exports.installTimerFunctions = installTimerFunctions; -// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64) -const BASE64_OVERHEAD = 1.33; -// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9 -function byteLength(obj) { - if (typeof obj === "string") { - return utf8Length(obj); - } - // arraybuffer or blob - return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD); -} -exports.byteLength = byteLength; -function utf8Length(str) { - let c = 0, length = 0; - for (let i = 0, l = str.length; i < l; i++) { - c = str.charCodeAt(i); - if (c < 0x80) { - length += 1; - } - else if (c < 0x800) { - length += 2; - } - else if (c < 0xd800 || c >= 0xe000) { - length += 3; - } - else { - i++; - length += 4; - } - } - return length; -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/browser-entrypoint.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/browser-entrypoint.d.ts deleted file mode 100644 index 66bff7b2..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/browser-entrypoint.d.ts +++ /dev/null @@ -1,3 +0,0 @@ -import { Socket } from "./socket.js"; -declare const _default: (uri: any, opts: any) => Socket; -export default _default; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/browser-entrypoint.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/browser-entrypoint.js deleted file mode 100644 index ca62e3e4..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/browser-entrypoint.js +++ /dev/null @@ -1,2 +0,0 @@ -import { Socket } from "./socket.js"; -export default (uri, opts) => new Socket(uri, opts); diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/has-cors.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/has-cors.d.ts deleted file mode 100644 index 346b0a5c..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/has-cors.d.ts +++ /dev/null @@ -1 +0,0 @@ -export declare const hasCORS: boolean; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/has-cors.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/has-cors.js deleted file mode 100644 index 4e3edf45..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/has-cors.js +++ /dev/null @@ -1,11 +0,0 @@ -// imported from https://github.com/component/has-cors -let value = false; -try { - value = typeof XMLHttpRequest !== 'undefined' && - 'withCredentials' in new XMLHttpRequest(); -} -catch (err) { - // if XMLHttp support is disabled in IE then it will throw - // when trying to create -} -export const hasCORS = value; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseqs.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseqs.d.ts deleted file mode 100644 index 528aab11..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseqs.d.ts +++ /dev/null @@ -1,15 +0,0 @@ -/** - * Compiles a querystring - * Returns string representation of the object - * - * @param {Object} - * @api private - */ -export declare function encode(obj: any): string; -/** - * Parses a simple querystring into an object - * - * @param {String} qs - * @api private - */ -export declare function decode(qs: any): {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseqs.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseqs.js deleted file mode 100644 index aea0f7b8..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseqs.js +++ /dev/null @@ -1,34 +0,0 @@ -// imported from https://github.com/galkn/querystring -/** - * Compiles a querystring - * Returns string representation of the object - * - * @param {Object} - * @api private - */ -export function encode(obj) { - let str = ''; - for (let i in obj) { - if (obj.hasOwnProperty(i)) { - if (str.length) - str += '&'; - str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]); - } - } - return str; -} -/** - * Parses a simple querystring into an object - * - * @param {String} qs - * @api private - */ -export function decode(qs) { - let qry = {}; - let pairs = qs.split('&'); - for (let i = 0, l = pairs.length; i < l; i++) { - let pair = pairs[i].split('='); - qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]); - } - return qry; -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseuri.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseuri.d.ts deleted file mode 100644 index 9a7a14ae..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseuri.d.ts +++ /dev/null @@ -1 +0,0 @@ -export declare function parse(str: string): any; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseuri.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseuri.js deleted file mode 100644 index fa0106fb..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/parseuri.js +++ /dev/null @@ -1,64 +0,0 @@ -// imported from https://github.com/galkn/parseuri -/** - * Parses a URI - * - * Note: we could also have used the built-in URL object, but it isn't supported on all platforms. - * - * See: - * - https://developer.mozilla.org/en-US/docs/Web/API/URL - * - https://caniuse.com/url - * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B - * - * History of the parse() method: - * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c - * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3 - * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242 - * - * @author Steven Levithan (MIT license) - * @api private - */ -const re = /^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/; -const parts = [ - 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor' -]; -export function parse(str) { - if (str.length > 2000) { - throw "URI too long"; - } - const src = str, b = str.indexOf('['), e = str.indexOf(']'); - if (b != -1 && e != -1) { - str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length); - } - let m = re.exec(str || ''), uri = {}, i = 14; - while (i--) { - uri[parts[i]] = m[i] || ''; - } - if (b != -1 && e != -1) { - uri.source = src; - uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':'); - uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':'); - uri.ipv6uri = true; - } - uri.pathNames = pathNames(uri, uri['path']); - uri.queryKey = queryKey(uri, uri['query']); - return uri; -} -function pathNames(obj, path) { - const regx = /\/{2,9}/g, names = path.replace(regx, "/").split("/"); - if (path.slice(0, 1) == '/' || path.length === 0) { - names.splice(0, 1); - } - if (path.slice(-1) == '/') { - names.splice(names.length - 1, 1); - } - return names; -} -function queryKey(uri, query) { - const data = {}; - query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) { - if ($1) { - data[$1] = $2; - } - }); - return data; -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/yeast.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/yeast.d.ts deleted file mode 100644 index 29b5b45e..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/yeast.d.ts +++ /dev/null @@ -1,23 +0,0 @@ -/** - * Return a string representing the specified number. - * - * @param {Number} num The number to convert. - * @returns {String} The string representation of the number. - * @api public - */ -export declare function encode(num: any): string; -/** - * Return the integer value specified by the given string. - * - * @param {String} str The string to convert. - * @returns {Number} The integer value represented by the string. - * @api public - */ -export declare function decode(str: any): number; -/** - * Yeast: A tiny growing id generator. - * - * @returns {String} A unique id. - * @api public - */ -export declare function yeast(): string; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/yeast.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/yeast.js deleted file mode 100644 index e0910321..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/contrib/yeast.js +++ /dev/null @@ -1,50 +0,0 @@ -// imported from https://github.com/unshiftio/yeast -'use strict'; -const alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {}; -let seed = 0, i = 0, prev; -/** - * Return a string representing the specified number. - * - * @param {Number} num The number to convert. - * @returns {String} The string representation of the number. - * @api public - */ -export function encode(num) { - let encoded = ''; - do { - encoded = alphabet[num % length] + encoded; - num = Math.floor(num / length); - } while (num > 0); - return encoded; -} -/** - * Return the integer value specified by the given string. - * - * @param {String} str The string to convert. - * @returns {Number} The integer value represented by the string. - * @api public - */ -export function decode(str) { - let decoded = 0; - for (i = 0; i < str.length; i++) { - decoded = decoded * length + map[str.charAt(i)]; - } - return decoded; -} -/** - * Yeast: A tiny growing id generator. - * - * @returns {String} A unique id. - * @api public - */ -export function yeast() { - const now = encode(+new Date()); - if (now !== prev) - return seed = 0, prev = now; - return now + '.' + encode(seed++); -} -// -// Map each character to its index. -// -for (; i < length; i++) - map[alphabet[i]] = i; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.browser.d.ts deleted file mode 100644 index 28d0a7c5..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.browser.d.ts +++ /dev/null @@ -1 +0,0 @@ -export declare const globalThisShim: any; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.browser.js deleted file mode 100644 index ac268995..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.browser.js +++ /dev/null @@ -1,11 +0,0 @@ -export const globalThisShim = (() => { - if (typeof self !== "undefined") { - return self; - } - else if (typeof window !== "undefined") { - return window; - } - else { - return Function("return this")(); - } -})(); diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.d.ts deleted file mode 100644 index 4b9b90ff..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.d.ts +++ /dev/null @@ -1 +0,0 @@ -export declare const globalThisShim: typeof globalThis; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.js deleted file mode 100644 index 27a616bd..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/globalThis.js +++ /dev/null @@ -1 +0,0 @@ -export const globalThisShim = global; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/index.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/index.d.ts deleted file mode 100644 index 9e2dbd3c..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/index.d.ts +++ /dev/null @@ -1,9 +0,0 @@ -import { Socket } from "./socket.js"; -export { Socket }; -export { SocketOptions } from "./socket.js"; -export declare const protocol: number; -export { Transport, TransportError } from "./transport.js"; -export { transports } from "./transports/index.js"; -export { installTimerFunctions } from "./util.js"; -export { parse } from "./contrib/parseuri.js"; -export { nextTick } from "./transports/websocket-constructor.js"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/index.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/index.js deleted file mode 100644 index 532e15ac..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/index.js +++ /dev/null @@ -1,8 +0,0 @@ -import { Socket } from "./socket.js"; -export { Socket }; -export const protocol = Socket.protocol; -export { Transport, TransportError } from "./transport.js"; -export { transports } from "./transports/index.js"; -export { installTimerFunctions } from "./util.js"; -export { parse } from "./contrib/parseuri.js"; -export { nextTick } from "./transports/websocket-constructor.js"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/package.json b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/package.json deleted file mode 100644 index 89498b3d..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/package.json +++ /dev/null @@ -1,10 +0,0 @@ -{ - "name": "engine.io-client", - "type": "module", - "browser": { - "ws": false, - "./transports/xmlhttprequest.js": "./transports/xmlhttprequest.browser.js", - "./transports/websocket-constructor.js": "./transports/websocket-constructor.browser.js", - "./globalThis.js": "./globalThis.browser.js" - } -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/socket.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/socket.d.ts deleted file mode 100644 index 027a0e37..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/socket.d.ts +++ /dev/null @@ -1,362 +0,0 @@ -import { Emitter } from "@socket.io/component-emitter"; -import type { Packet, BinaryType, RawData } from "engine.io-parser"; -import { CloseDetails, Transport } from "./transport.js"; -export interface SocketOptions { - /** - * The host that we're connecting to. Set from the URI passed when connecting - */ - host: string; - /** - * The hostname for our connection. Set from the URI passed when connecting - */ - hostname: string; - /** - * If this is a secure connection. Set from the URI passed when connecting - */ - secure: boolean; - /** - * The port for our connection. Set from the URI passed when connecting - */ - port: string | number; - /** - * Any query parameters in our uri. Set from the URI passed when connecting - */ - query: { - [key: string]: any; - }; - /** - * `http.Agent` to use, defaults to `false` (NodeJS only) - * - * Note: the type should be "undefined | http.Agent | https.Agent | false", but this would break browser-only clients. - * - * @see https://nodejs.org/api/http.html#httprequestoptions-callback - */ - agent: string | boolean; - /** - * Whether the client should try to upgrade the transport from - * long-polling to something better. - * @default true - */ - upgrade: boolean; - /** - * Forces base 64 encoding for polling transport even when XHR2 - * responseType is available and WebSocket even if the used standard - * supports binary. - */ - forceBase64: boolean; - /** - * The param name to use as our timestamp key - * @default 't' - */ - timestampParam: string; - /** - * Whether to add the timestamp with each transport request. Note: this - * is ignored if the browser is IE or Android, in which case requests - * are always stamped - * @default false - */ - timestampRequests: boolean; - /** - * A list of transports to try (in order). Engine.io always attempts to - * connect directly with the first one, provided the feature detection test - * for it passes. - * - * @default ['polling','websocket', 'webtransport'] - */ - transports: string[]; - /** - * If true and if the previous websocket connection to the server succeeded, - * the connection attempt will bypass the normal upgrade process and will - * initially try websocket. A connection attempt following a transport error - * will use the normal upgrade process. It is recommended you turn this on - * only when using SSL/TLS connections, or if you know that your network does - * not block websockets. - * @default false - */ - rememberUpgrade: boolean; - /** - * Are we only interested in transports that support binary? - */ - onlyBinaryUpgrades: boolean; - /** - * Timeout for xhr-polling requests in milliseconds (0) (only for polling transport) - */ - requestTimeout: number; - /** - * Transport options for Node.js client (headers etc) - */ - transportOptions: Object; - /** - * (SSL) Certificate, Private key and CA certificates to use for SSL. - * Can be used in Node.js client environment to manually specify - * certificate information. - */ - pfx: string; - /** - * (SSL) Private key to use for SSL. Can be used in Node.js client - * environment to manually specify certificate information. - */ - key: string; - /** - * (SSL) A string or passphrase for the private key or pfx. Can be - * used in Node.js client environment to manually specify certificate - * information. - */ - passphrase: string; - /** - * (SSL) Public x509 certificate to use. Can be used in Node.js client - * environment to manually specify certificate information. - */ - cert: string; - /** - * (SSL) An authority certificate or array of authority certificates to - * check the remote host against.. Can be used in Node.js client - * environment to manually specify certificate information. - */ - ca: string | string[]; - /** - * (SSL) A string describing the ciphers to use or exclude. Consult the - * [cipher format list] - * (http://www.openssl.org/docs/apps/ciphers.html#CIPHER_LIST_FORMAT) for - * details on the format.. Can be used in Node.js client environment to - * manually specify certificate information. - */ - ciphers: string; - /** - * (SSL) If true, the server certificate is verified against the list of - * supplied CAs. An 'error' event is emitted if verification fails. - * Verification happens at the connection level, before the HTTP request - * is sent. Can be used in Node.js client environment to manually specify - * certificate information. - */ - rejectUnauthorized: boolean; - /** - * Headers that will be passed for each request to the server (via xhr-polling and via websockets). - * These values then can be used during handshake or for special proxies. - */ - extraHeaders?: { - [header: string]: string; - }; - /** - * Whether to include credentials (cookies, authorization headers, TLS - * client certificates, etc.) with cross-origin XHR polling requests - * @default false - */ - withCredentials: boolean; - /** - * Whether to automatically close the connection whenever the beforeunload event is received. - * @default false - */ - closeOnBeforeunload: boolean; - /** - * Whether to always use the native timeouts. This allows the client to - * reconnect when the native timeout functions are overridden, such as when - * mock clocks are installed. - * @default false - */ - useNativeTimers: boolean; - /** - * weather we should unref the reconnect timer when it is - * create automatically - * @default false - */ - autoUnref: boolean; - /** - * parameters of the WebSocket permessage-deflate extension (see ws module api docs). Set to false to disable. - * @default false - */ - perMessageDeflate: { - threshold: number; - }; - /** - * The path to get our client file from, in the case of the server - * serving it - * @default '/engine.io' - */ - path: string; - /** - * Whether we should add a trailing slash to the request path. - * @default true - */ - addTrailingSlash: boolean; - /** - * Either a single protocol string or an array of protocol strings. These strings are used to indicate sub-protocols, - * so that a single server can implement multiple WebSocket sub-protocols (for example, you might want one server to - * be able to handle different types of interactions depending on the specified protocol) - * @default [] - */ - protocols: string | string[]; -} -interface HandshakeData { - sid: string; - upgrades: string[]; - pingInterval: number; - pingTimeout: number; - maxPayload: number; -} -interface SocketReservedEvents { - open: () => void; - handshake: (data: HandshakeData) => void; - packet: (packet: Packet) => void; - packetCreate: (packet: Packet) => void; - data: (data: any) => void; - message: (data: any) => void; - drain: () => void; - flush: () => void; - heartbeat: () => void; - ping: () => void; - pong: () => void; - error: (err: string | Error) => void; - upgrading: (transport: any) => void; - upgrade: (transport: any) => void; - upgradeError: (err: Error) => void; - close: (reason: string, description?: CloseDetails | Error) => void; -} -type SocketState = "opening" | "open" | "closing" | "closed"; -export declare class Socket extends Emitter, Record, SocketReservedEvents> { - id: string; - transport: Transport; - binaryType: BinaryType; - readyState: SocketState; - writeBuffer: Packet[]; - private prevBufferLen; - private upgrades; - private pingInterval; - private pingTimeout; - private pingTimeoutTimer; - private setTimeoutFn; - private clearTimeoutFn; - private readonly beforeunloadEventListener; - private readonly offlineEventListener; - private upgrading; - private maxPayload?; - private readonly opts; - private readonly secure; - private readonly hostname; - private readonly port; - private readonly transports; - static priorWebsocketSuccess: boolean; - static protocol: number; - /** - * Socket constructor. - * - * @param {String|Object} uri - uri or options - * @param {Object} opts - options - */ - constructor(uri: any, opts?: Partial); - /** - * Creates transport of the given type. - * - * @param {String} name - transport name - * @return {Transport} - * @private - */ - private createTransport; - /** - * Initializes transport to use and starts probe. - * - * @private - */ - private open; - /** - * Sets the current transport. Disables the existing one (if any). - * - * @private - */ - private setTransport; - /** - * Probes a transport. - * - * @param {String} name - transport name - * @private - */ - private probe; - /** - * Called when connection is deemed open. - * - * @private - */ - private onOpen; - /** - * Handles a packet. - * - * @private - */ - private onPacket; - /** - * Called upon handshake completion. - * - * @param {Object} data - handshake obj - * @private - */ - private onHandshake; - /** - * Sets and resets ping timeout timer based on server pings. - * - * @private - */ - private resetPingTimeout; - /** - * Called on `drain` event - * - * @private - */ - private onDrain; - /** - * Flush write buffers. - * - * @private - */ - private flush; - /** - * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP - * long-polling) - * - * @private - */ - private getWritablePackets; - /** - * Sends a message. - * - * @param {String} msg - message. - * @param {Object} options. - * @param {Function} callback function. - * @return {Socket} for chaining. - */ - write(msg: RawData, options?: any, fn?: any): this; - send(msg: RawData, options?: any, fn?: any): this; - /** - * Sends a packet. - * - * @param {String} type: packet type. - * @param {String} data. - * @param {Object} options. - * @param {Function} fn - callback function. - * @private - */ - private sendPacket; - /** - * Closes the connection. - */ - close(): this; - /** - * Called upon transport error - * - * @private - */ - private onError; - /** - * Called upon transport close. - * - * @private - */ - private onClose; - /** - * Filters upgrades, returning only those matching client transports. - * - * @param {Array} upgrades - server upgrades - * @private - */ - private filterUpgrades; -} -export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/socket.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/socket.js deleted file mode 100644 index e04aebca..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/socket.js +++ /dev/null @@ -1,619 +0,0 @@ -import { transports } from "./transports/index.js"; -import { installTimerFunctions, byteLength } from "./util.js"; -import { decode } from "./contrib/parseqs.js"; -import { parse } from "./contrib/parseuri.js"; -import debugModule from "debug"; // debug() -import { Emitter } from "@socket.io/component-emitter"; -import { protocol } from "engine.io-parser"; -import { defaultBinaryType } from "./transports/websocket-constructor.js"; -const debug = debugModule("engine.io-client:socket"); // debug() -export class Socket extends Emitter { - /** - * Socket constructor. - * - * @param {String|Object} uri - uri or options - * @param {Object} opts - options - */ - constructor(uri, opts = {}) { - super(); - this.binaryType = defaultBinaryType; - this.writeBuffer = []; - if (uri && "object" === typeof uri) { - opts = uri; - uri = null; - } - if (uri) { - uri = parse(uri); - opts.hostname = uri.host; - opts.secure = uri.protocol === "https" || uri.protocol === "wss"; - opts.port = uri.port; - if (uri.query) - opts.query = uri.query; - } - else if (opts.host) { - opts.hostname = parse(opts.host).host; - } - installTimerFunctions(this, opts); - this.secure = - null != opts.secure - ? opts.secure - : typeof location !== "undefined" && "https:" === location.protocol; - if (opts.hostname && !opts.port) { - // if no port is specified manually, use the protocol default - opts.port = this.secure ? "443" : "80"; - } - this.hostname = - opts.hostname || - (typeof location !== "undefined" ? location.hostname : "localhost"); - this.port = - opts.port || - (typeof location !== "undefined" && location.port - ? location.port - : this.secure - ? "443" - : "80"); - this.transports = opts.transports || [ - "polling", - "websocket", - "webtransport", - ]; - this.writeBuffer = []; - this.prevBufferLen = 0; - this.opts = Object.assign({ - path: "/engine.io", - agent: false, - withCredentials: false, - upgrade: true, - timestampParam: "t", - rememberUpgrade: false, - addTrailingSlash: true, - rejectUnauthorized: true, - perMessageDeflate: { - threshold: 1024, - }, - transportOptions: {}, - closeOnBeforeunload: false, - }, opts); - this.opts.path = - this.opts.path.replace(/\/$/, "") + - (this.opts.addTrailingSlash ? "/" : ""); - if (typeof this.opts.query === "string") { - this.opts.query = decode(this.opts.query); - } - // set on handshake - this.id = null; - this.upgrades = null; - this.pingInterval = null; - this.pingTimeout = null; - // set on heartbeat - this.pingTimeoutTimer = null; - if (typeof addEventListener === "function") { - if (this.opts.closeOnBeforeunload) { - // Firefox closes the connection when the "beforeunload" event is emitted but not Chrome. This event listener - // ensures every browser behaves the same (no "disconnect" event at the Socket.IO level when the page is - // closed/reloaded) - this.beforeunloadEventListener = () => { - if (this.transport) { - // silently close the transport - this.transport.removeAllListeners(); - this.transport.close(); - } - }; - addEventListener("beforeunload", this.beforeunloadEventListener, false); - } - if (this.hostname !== "localhost") { - this.offlineEventListener = () => { - this.onClose("transport close", { - description: "network connection lost", - }); - }; - addEventListener("offline", this.offlineEventListener, false); - } - } - this.open(); - } - /** - * Creates transport of the given type. - * - * @param {String} name - transport name - * @return {Transport} - * @private - */ - createTransport(name) { - debug('creating transport "%s"', name); - const query = Object.assign({}, this.opts.query); - // append engine.io protocol identifier - query.EIO = protocol; - // transport name - query.transport = name; - // session id if we already have one - if (this.id) - query.sid = this.id; - const opts = Object.assign({}, this.opts, { - query, - socket: this, - hostname: this.hostname, - secure: this.secure, - port: this.port, - }, this.opts.transportOptions[name]); - debug("options: %j", opts); - return new transports[name](opts); - } - /** - * Initializes transport to use and starts probe. - * - * @private - */ - open() { - let transport; - if (this.opts.rememberUpgrade && - Socket.priorWebsocketSuccess && - this.transports.indexOf("websocket") !== -1) { - transport = "websocket"; - } - else if (0 === this.transports.length) { - // Emit error on next tick so it can be listened to - this.setTimeoutFn(() => { - this.emitReserved("error", "No transports available"); - }, 0); - return; - } - else { - transport = this.transports[0]; - } - this.readyState = "opening"; - // Retry with the next transport if the transport is disabled (jsonp: false) - try { - transport = this.createTransport(transport); - } - catch (e) { - debug("error while creating transport: %s", e); - this.transports.shift(); - this.open(); - return; - } - transport.open(); - this.setTransport(transport); - } - /** - * Sets the current transport. Disables the existing one (if any). - * - * @private - */ - setTransport(transport) { - debug("setting transport %s", transport.name); - if (this.transport) { - debug("clearing existing transport %s", this.transport.name); - this.transport.removeAllListeners(); - } - // set up transport - this.transport = transport; - // set up transport listeners - transport - .on("drain", this.onDrain.bind(this)) - .on("packet", this.onPacket.bind(this)) - .on("error", this.onError.bind(this)) - .on("close", (reason) => this.onClose("transport close", reason)); - } - /** - * Probes a transport. - * - * @param {String} name - transport name - * @private - */ - probe(name) { - debug('probing transport "%s"', name); - let transport = this.createTransport(name); - let failed = false; - Socket.priorWebsocketSuccess = false; - const onTransportOpen = () => { - if (failed) - return; - debug('probe transport "%s" opened', name); - transport.send([{ type: "ping", data: "probe" }]); - transport.once("packet", (msg) => { - if (failed) - return; - if ("pong" === msg.type && "probe" === msg.data) { - debug('probe transport "%s" pong', name); - this.upgrading = true; - this.emitReserved("upgrading", transport); - if (!transport) - return; - Socket.priorWebsocketSuccess = "websocket" === transport.name; - debug('pausing current transport "%s"', this.transport.name); - this.transport.pause(() => { - if (failed) - return; - if ("closed" === this.readyState) - return; - debug("changing transport and sending upgrade packet"); - cleanup(); - this.setTransport(transport); - transport.send([{ type: "upgrade" }]); - this.emitReserved("upgrade", transport); - transport = null; - this.upgrading = false; - this.flush(); - }); - } - else { - debug('probe transport "%s" failed', name); - const err = new Error("probe error"); - // @ts-ignore - err.transport = transport.name; - this.emitReserved("upgradeError", err); - } - }); - }; - function freezeTransport() { - if (failed) - return; - // Any callback called by transport should be ignored since now - failed = true; - cleanup(); - transport.close(); - transport = null; - } - // Handle any error that happens while probing - const onerror = (err) => { - const error = new Error("probe error: " + err); - // @ts-ignore - error.transport = transport.name; - freezeTransport(); - debug('probe transport "%s" failed because of error: %s', name, err); - this.emitReserved("upgradeError", error); - }; - function onTransportClose() { - onerror("transport closed"); - } - // When the socket is closed while we're probing - function onclose() { - onerror("socket closed"); - } - // When the socket is upgraded while we're probing - function onupgrade(to) { - if (transport && to.name !== transport.name) { - debug('"%s" works - aborting "%s"', to.name, transport.name); - freezeTransport(); - } - } - // Remove all listeners on the transport and on self - const cleanup = () => { - transport.removeListener("open", onTransportOpen); - transport.removeListener("error", onerror); - transport.removeListener("close", onTransportClose); - this.off("close", onclose); - this.off("upgrading", onupgrade); - }; - transport.once("open", onTransportOpen); - transport.once("error", onerror); - transport.once("close", onTransportClose); - this.once("close", onclose); - this.once("upgrading", onupgrade); - if (this.upgrades.indexOf("webtransport") !== -1 && - name !== "webtransport") { - // favor WebTransport - this.setTimeoutFn(() => { - if (!failed) { - transport.open(); - } - }, 200); - } - else { - transport.open(); - } - } - /** - * Called when connection is deemed open. - * - * @private - */ - onOpen() { - debug("socket open"); - this.readyState = "open"; - Socket.priorWebsocketSuccess = "websocket" === this.transport.name; - this.emitReserved("open"); - this.flush(); - // we check for `readyState` in case an `open` - // listener already closed the socket - if ("open" === this.readyState && this.opts.upgrade) { - debug("starting upgrade probes"); - let i = 0; - const l = this.upgrades.length; - for (; i < l; i++) { - this.probe(this.upgrades[i]); - } - } - } - /** - * Handles a packet. - * - * @private - */ - onPacket(packet) { - if ("opening" === this.readyState || - "open" === this.readyState || - "closing" === this.readyState) { - debug('socket receive: type "%s", data "%s"', packet.type, packet.data); - this.emitReserved("packet", packet); - // Socket is live - any packet counts - this.emitReserved("heartbeat"); - this.resetPingTimeout(); - switch (packet.type) { - case "open": - this.onHandshake(JSON.parse(packet.data)); - break; - case "ping": - this.sendPacket("pong"); - this.emitReserved("ping"); - this.emitReserved("pong"); - break; - case "error": - const err = new Error("server error"); - // @ts-ignore - err.code = packet.data; - this.onError(err); - break; - case "message": - this.emitReserved("data", packet.data); - this.emitReserved("message", packet.data); - break; - } - } - else { - debug('packet received with socket readyState "%s"', this.readyState); - } - } - /** - * Called upon handshake completion. - * - * @param {Object} data - handshake obj - * @private - */ - onHandshake(data) { - this.emitReserved("handshake", data); - this.id = data.sid; - this.transport.query.sid = data.sid; - this.upgrades = this.filterUpgrades(data.upgrades); - this.pingInterval = data.pingInterval; - this.pingTimeout = data.pingTimeout; - this.maxPayload = data.maxPayload; - this.onOpen(); - // In case open handler closes socket - if ("closed" === this.readyState) - return; - this.resetPingTimeout(); - } - /** - * Sets and resets ping timeout timer based on server pings. - * - * @private - */ - resetPingTimeout() { - this.clearTimeoutFn(this.pingTimeoutTimer); - this.pingTimeoutTimer = this.setTimeoutFn(() => { - this.onClose("ping timeout"); - }, this.pingInterval + this.pingTimeout); - if (this.opts.autoUnref) { - this.pingTimeoutTimer.unref(); - } - } - /** - * Called on `drain` event - * - * @private - */ - onDrain() { - this.writeBuffer.splice(0, this.prevBufferLen); - // setting prevBufferLen = 0 is very important - // for example, when upgrading, upgrade packet is sent over, - // and a nonzero prevBufferLen could cause problems on `drain` - this.prevBufferLen = 0; - if (0 === this.writeBuffer.length) { - this.emitReserved("drain"); - } - else { - this.flush(); - } - } - /** - * Flush write buffers. - * - * @private - */ - flush() { - if ("closed" !== this.readyState && - this.transport.writable && - !this.upgrading && - this.writeBuffer.length) { - const packets = this.getWritablePackets(); - debug("flushing %d packets in socket", packets.length); - this.transport.send(packets); - // keep track of current length of writeBuffer - // splice writeBuffer and callbackBuffer on `drain` - this.prevBufferLen = packets.length; - this.emitReserved("flush"); - } - } - /** - * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP - * long-polling) - * - * @private - */ - getWritablePackets() { - const shouldCheckPayloadSize = this.maxPayload && - this.transport.name === "polling" && - this.writeBuffer.length > 1; - if (!shouldCheckPayloadSize) { - return this.writeBuffer; - } - let payloadSize = 1; // first packet type - for (let i = 0; i < this.writeBuffer.length; i++) { - const data = this.writeBuffer[i].data; - if (data) { - payloadSize += byteLength(data); - } - if (i > 0 && payloadSize > this.maxPayload) { - debug("only send %d out of %d packets", i, this.writeBuffer.length); - return this.writeBuffer.slice(0, i); - } - payloadSize += 2; // separator + packet type - } - debug("payload size is %d (max: %d)", payloadSize, this.maxPayload); - return this.writeBuffer; - } - /** - * Sends a message. - * - * @param {String} msg - message. - * @param {Object} options. - * @param {Function} callback function. - * @return {Socket} for chaining. - */ - write(msg, options, fn) { - this.sendPacket("message", msg, options, fn); - return this; - } - send(msg, options, fn) { - this.sendPacket("message", msg, options, fn); - return this; - } - /** - * Sends a packet. - * - * @param {String} type: packet type. - * @param {String} data. - * @param {Object} options. - * @param {Function} fn - callback function. - * @private - */ - sendPacket(type, data, options, fn) { - if ("function" === typeof data) { - fn = data; - data = undefined; - } - if ("function" === typeof options) { - fn = options; - options = null; - } - if ("closing" === this.readyState || "closed" === this.readyState) { - return; - } - options = options || {}; - options.compress = false !== options.compress; - const packet = { - type: type, - data: data, - options: options, - }; - this.emitReserved("packetCreate", packet); - this.writeBuffer.push(packet); - if (fn) - this.once("flush", fn); - this.flush(); - } - /** - * Closes the connection. - */ - close() { - const close = () => { - this.onClose("forced close"); - debug("socket closing - telling transport to close"); - this.transport.close(); - }; - const cleanupAndClose = () => { - this.off("upgrade", cleanupAndClose); - this.off("upgradeError", cleanupAndClose); - close(); - }; - const waitForUpgrade = () => { - // wait for upgrade to finish since we can't send packets while pausing a transport - this.once("upgrade", cleanupAndClose); - this.once("upgradeError", cleanupAndClose); - }; - if ("opening" === this.readyState || "open" === this.readyState) { - this.readyState = "closing"; - if (this.writeBuffer.length) { - this.once("drain", () => { - if (this.upgrading) { - waitForUpgrade(); - } - else { - close(); - } - }); - } - else if (this.upgrading) { - waitForUpgrade(); - } - else { - close(); - } - } - return this; - } - /** - * Called upon transport error - * - * @private - */ - onError(err) { - debug("socket error %j", err); - Socket.priorWebsocketSuccess = false; - this.emitReserved("error", err); - this.onClose("transport error", err); - } - /** - * Called upon transport close. - * - * @private - */ - onClose(reason, description) { - if ("opening" === this.readyState || - "open" === this.readyState || - "closing" === this.readyState) { - debug('socket close with reason: "%s"', reason); - // clear timers - this.clearTimeoutFn(this.pingTimeoutTimer); - // stop event from firing again for transport - this.transport.removeAllListeners("close"); - // ensure transport won't stay open - this.transport.close(); - // ignore further transport communication - this.transport.removeAllListeners(); - if (typeof removeEventListener === "function") { - removeEventListener("beforeunload", this.beforeunloadEventListener, false); - removeEventListener("offline", this.offlineEventListener, false); - } - // set ready state - this.readyState = "closed"; - // clear session id - this.id = null; - // emit close event - this.emitReserved("close", reason, description); - // clean buffers after, so users can still - // grab the buffers on `close` event - this.writeBuffer = []; - this.prevBufferLen = 0; - } - } - /** - * Filters upgrades, returning only those matching client transports. - * - * @param {Array} upgrades - server upgrades - * @private - */ - filterUpgrades(upgrades) { - const filteredUpgrades = []; - let i = 0; - const j = upgrades.length; - for (; i < j; i++) { - if (~this.transports.indexOf(upgrades[i])) - filteredUpgrades.push(upgrades[i]); - } - return filteredUpgrades; - } -} -Socket.protocol = protocol; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transport.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transport.d.ts deleted file mode 100644 index 6ef488b9..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transport.d.ts +++ /dev/null @@ -1,106 +0,0 @@ -import type { Packet, RawData } from "engine.io-parser"; -import { Emitter } from "@socket.io/component-emitter"; -import { SocketOptions } from "./socket.js"; -export declare class TransportError extends Error { - readonly description: any; - readonly context: any; - readonly type = "TransportError"; - constructor(reason: string, description: any, context: any); -} -export interface CloseDetails { - description: string; - context?: unknown; -} -interface TransportReservedEvents { - open: () => void; - error: (err: TransportError) => void; - packet: (packet: Packet) => void; - close: (details?: CloseDetails) => void; - poll: () => void; - pollComplete: () => void; - drain: () => void; -} -type TransportState = "opening" | "open" | "closed" | "pausing" | "paused"; -export declare abstract class Transport extends Emitter, Record, TransportReservedEvents> { - query: Record; - writable: boolean; - protected opts: SocketOptions; - protected supportsBinary: boolean; - protected readyState: TransportState; - protected socket: any; - protected setTimeoutFn: typeof setTimeout; - /** - * Transport abstract constructor. - * - * @param {Object} opts - options - * @protected - */ - constructor(opts: any); - /** - * Emits an error. - * - * @param {String} reason - * @param description - * @param context - the error context - * @return {Transport} for chaining - * @protected - */ - protected onError(reason: string, description: any, context?: any): this; - /** - * Opens the transport. - */ - open(): this; - /** - * Closes the transport. - */ - close(): this; - /** - * Sends multiple packets. - * - * @param {Array} packets - */ - send(packets: any): void; - /** - * Called upon open - * - * @protected - */ - protected onOpen(): void; - /** - * Called with data. - * - * @param {String} data - * @protected - */ - protected onData(data: RawData): void; - /** - * Called with a decoded packet. - * - * @protected - */ - protected onPacket(packet: Packet): void; - /** - * Called upon close. - * - * @protected - */ - protected onClose(details?: CloseDetails): void; - /** - * The name of the transport - */ - abstract get name(): string; - /** - * Pauses the transport, in order not to lose packets during an upgrade. - * - * @param onPause - */ - pause(onPause: () => void): void; - protected createUri(schema: string, query?: Record): string; - private _hostname; - private _port; - private _query; - protected abstract doOpen(): any; - protected abstract doClose(): any; - protected abstract write(packets: Packet[]): any; -} -export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transport.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transport.js deleted file mode 100644 index 26b3d35a..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transport.js +++ /dev/null @@ -1,144 +0,0 @@ -import { decodePacket } from "engine.io-parser"; -import { Emitter } from "@socket.io/component-emitter"; -import { installTimerFunctions } from "./util.js"; -import debugModule from "debug"; // debug() -import { encode } from "./contrib/parseqs.js"; -const debug = debugModule("engine.io-client:transport"); // debug() -export class TransportError extends Error { - constructor(reason, description, context) { - super(reason); - this.description = description; - this.context = context; - this.type = "TransportError"; - } -} -export class Transport extends Emitter { - /** - * Transport abstract constructor. - * - * @param {Object} opts - options - * @protected - */ - constructor(opts) { - super(); - this.writable = false; - installTimerFunctions(this, opts); - this.opts = opts; - this.query = opts.query; - this.socket = opts.socket; - } - /** - * Emits an error. - * - * @param {String} reason - * @param description - * @param context - the error context - * @return {Transport} for chaining - * @protected - */ - onError(reason, description, context) { - super.emitReserved("error", new TransportError(reason, description, context)); - return this; - } - /** - * Opens the transport. - */ - open() { - this.readyState = "opening"; - this.doOpen(); - return this; - } - /** - * Closes the transport. - */ - close() { - if (this.readyState === "opening" || this.readyState === "open") { - this.doClose(); - this.onClose(); - } - return this; - } - /** - * Sends multiple packets. - * - * @param {Array} packets - */ - send(packets) { - if (this.readyState === "open") { - this.write(packets); - } - else { - // this might happen if the transport was silently closed in the beforeunload event handler - debug("transport is not open, discarding packets"); - } - } - /** - * Called upon open - * - * @protected - */ - onOpen() { - this.readyState = "open"; - this.writable = true; - super.emitReserved("open"); - } - /** - * Called with data. - * - * @param {String} data - * @protected - */ - onData(data) { - const packet = decodePacket(data, this.socket.binaryType); - this.onPacket(packet); - } - /** - * Called with a decoded packet. - * - * @protected - */ - onPacket(packet) { - super.emitReserved("packet", packet); - } - /** - * Called upon close. - * - * @protected - */ - onClose(details) { - this.readyState = "closed"; - super.emitReserved("close", details); - } - /** - * Pauses the transport, in order not to lose packets during an upgrade. - * - * @param onPause - */ - pause(onPause) { } - createUri(schema, query = {}) { - return (schema + - "://" + - this._hostname() + - this._port() + - this.opts.path + - this._query(query)); - } - _hostname() { - const hostname = this.opts.hostname; - return hostname.indexOf(":") === -1 ? hostname : "[" + hostname + "]"; - } - _port() { - if (this.opts.port && - ((this.opts.secure && Number(this.opts.port !== 443)) || - (!this.opts.secure && Number(this.opts.port) !== 80))) { - return ":" + this.opts.port; - } - else { - return ""; - } - } - _query(query) { - const encodedQuery = encode(query); - return encodedQuery.length ? "?" + encodedQuery : ""; - } -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/index.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/index.d.ts deleted file mode 100644 index 6617f8ce..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/index.d.ts +++ /dev/null @@ -1,8 +0,0 @@ -import { Polling } from "./polling.js"; -import { WS } from "./websocket.js"; -import { WT } from "./webtransport.js"; -export declare const transports: { - websocket: typeof WS; - webtransport: typeof WT; - polling: typeof Polling; -}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/index.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/index.js deleted file mode 100644 index c2d59409..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/index.js +++ /dev/null @@ -1,8 +0,0 @@ -import { Polling } from "./polling.js"; -import { WS } from "./websocket.js"; -import { WT } from "./webtransport.js"; -export const transports = { - websocket: WS, - webtransport: WT, - polling: Polling, -}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/polling.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/polling.d.ts deleted file mode 100644 index 176ce57a..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/polling.d.ts +++ /dev/null @@ -1,137 +0,0 @@ -import { Transport } from "../transport.js"; -import { RawData } from "engine.io-parser"; -import { Emitter } from "@socket.io/component-emitter"; -export declare class Polling extends Transport { - private readonly xd; - private polling; - private pollXhr; - private cookieJar?; - /** - * XHR Polling constructor. - * - * @param {Object} opts - * @package - */ - constructor(opts: any); - get name(): string; - /** - * Opens the socket (triggers polling). We write a PING message to determine - * when the transport is open. - * - * @protected - */ - doOpen(): void; - /** - * Pauses polling. - * - * @param {Function} onPause - callback upon buffers are flushed and transport is paused - * @package - */ - pause(onPause: any): void; - /** - * Starts polling cycle. - * - * @private - */ - poll(): void; - /** - * Overloads onData to detect payloads. - * - * @protected - */ - onData(data: any): void; - /** - * For polling, send a close packet. - * - * @protected - */ - doClose(): void; - /** - * Writes a packets payload. - * - * @param {Array} packets - data packets - * @protected - */ - write(packets: any): void; - /** - * Generates uri for connection. - * - * @private - */ - private uri; - /** - * Creates a request. - * - * @param {String} method - * @private - */ - request(opts?: {}): Request; - /** - * Sends data. - * - * @param {String} data to send. - * @param {Function} called upon flush. - * @private - */ - private doWrite; - /** - * Starts a poll cycle. - * - * @private - */ - private doPoll; -} -interface RequestReservedEvents { - success: () => void; - data: (data: RawData) => void; - error: (err: number | Error, context: unknown) => void; -} -export declare class Request extends Emitter<{}, {}, RequestReservedEvents> { - private readonly opts; - private readonly method; - private readonly uri; - private readonly data; - private xhr; - private setTimeoutFn; - private index; - static requestsCount: number; - static requests: {}; - /** - * Request constructor - * - * @param {Object} options - * @package - */ - constructor(uri: any, opts: any); - /** - * Creates the XHR object and sends the request. - * - * @private - */ - private create; - /** - * Called upon error. - * - * @private - */ - private onError; - /** - * Cleans up house. - * - * @private - */ - private cleanup; - /** - * Called upon load. - * - * @private - */ - private onLoad; - /** - * Aborts the request. - * - * @package - */ - abort(): void; -} -export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/polling.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/polling.js deleted file mode 100644 index c52b9015..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/polling.js +++ /dev/null @@ -1,406 +0,0 @@ -import { Transport } from "../transport.js"; -import debugModule from "debug"; // debug() -import { yeast } from "../contrib/yeast.js"; -import { encodePayload, decodePayload } from "engine.io-parser"; -import { createCookieJar, XHR as XMLHttpRequest, } from "./xmlhttprequest.js"; -import { Emitter } from "@socket.io/component-emitter"; -import { installTimerFunctions, pick } from "../util.js"; -import { globalThisShim as globalThis } from "../globalThis.js"; -const debug = debugModule("engine.io-client:polling"); // debug() -function empty() { } -const hasXHR2 = (function () { - const xhr = new XMLHttpRequest({ - xdomain: false, - }); - return null != xhr.responseType; -})(); -export class Polling extends Transport { - /** - * XHR Polling constructor. - * - * @param {Object} opts - * @package - */ - constructor(opts) { - super(opts); - this.polling = false; - if (typeof location !== "undefined") { - const isSSL = "https:" === location.protocol; - let port = location.port; - // some user agents have empty `location.port` - if (!port) { - port = isSSL ? "443" : "80"; - } - this.xd = - (typeof location !== "undefined" && - opts.hostname !== location.hostname) || - port !== opts.port; - } - /** - * XHR supports binary - */ - const forceBase64 = opts && opts.forceBase64; - this.supportsBinary = hasXHR2 && !forceBase64; - if (this.opts.withCredentials) { - this.cookieJar = createCookieJar(); - } - } - get name() { - return "polling"; - } - /** - * Opens the socket (triggers polling). We write a PING message to determine - * when the transport is open. - * - * @protected - */ - doOpen() { - this.poll(); - } - /** - * Pauses polling. - * - * @param {Function} onPause - callback upon buffers are flushed and transport is paused - * @package - */ - pause(onPause) { - this.readyState = "pausing"; - const pause = () => { - debug("paused"); - this.readyState = "paused"; - onPause(); - }; - if (this.polling || !this.writable) { - let total = 0; - if (this.polling) { - debug("we are currently polling - waiting to pause"); - total++; - this.once("pollComplete", function () { - debug("pre-pause polling complete"); - --total || pause(); - }); - } - if (!this.writable) { - debug("we are currently writing - waiting to pause"); - total++; - this.once("drain", function () { - debug("pre-pause writing complete"); - --total || pause(); - }); - } - } - else { - pause(); - } - } - /** - * Starts polling cycle. - * - * @private - */ - poll() { - debug("polling"); - this.polling = true; - this.doPoll(); - this.emitReserved("poll"); - } - /** - * Overloads onData to detect payloads. - * - * @protected - */ - onData(data) { - debug("polling got data %s", data); - const callback = (packet) => { - // if its the first message we consider the transport open - if ("opening" === this.readyState && packet.type === "open") { - this.onOpen(); - } - // if its a close packet, we close the ongoing requests - if ("close" === packet.type) { - this.onClose({ description: "transport closed by the server" }); - return false; - } - // otherwise bypass onData and handle the message - this.onPacket(packet); - }; - // decode payload - decodePayload(data, this.socket.binaryType).forEach(callback); - // if an event did not trigger closing - if ("closed" !== this.readyState) { - // if we got data we're not polling - this.polling = false; - this.emitReserved("pollComplete"); - if ("open" === this.readyState) { - this.poll(); - } - else { - debug('ignoring poll - transport state "%s"', this.readyState); - } - } - } - /** - * For polling, send a close packet. - * - * @protected - */ - doClose() { - const close = () => { - debug("writing close packet"); - this.write([{ type: "close" }]); - }; - if ("open" === this.readyState) { - debug("transport open - closing"); - close(); - } - else { - // in case we're trying to close while - // handshaking is in progress (GH-164) - debug("transport not open - deferring close"); - this.once("open", close); - } - } - /** - * Writes a packets payload. - * - * @param {Array} packets - data packets - * @protected - */ - write(packets) { - this.writable = false; - encodePayload(packets, (data) => { - this.doWrite(data, () => { - this.writable = true; - this.emitReserved("drain"); - }); - }); - } - /** - * Generates uri for connection. - * - * @private - */ - uri() { - const schema = this.opts.secure ? "https" : "http"; - const query = this.query || {}; - // cache busting is forced - if (false !== this.opts.timestampRequests) { - query[this.opts.timestampParam] = yeast(); - } - if (!this.supportsBinary && !query.sid) { - query.b64 = 1; - } - return this.createUri(schema, query); - } - /** - * Creates a request. - * - * @param {String} method - * @private - */ - request(opts = {}) { - Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts); - return new Request(this.uri(), opts); - } - /** - * Sends data. - * - * @param {String} data to send. - * @param {Function} called upon flush. - * @private - */ - doWrite(data, fn) { - const req = this.request({ - method: "POST", - data: data, - }); - req.on("success", fn); - req.on("error", (xhrStatus, context) => { - this.onError("xhr post error", xhrStatus, context); - }); - } - /** - * Starts a poll cycle. - * - * @private - */ - doPoll() { - debug("xhr poll"); - const req = this.request(); - req.on("data", this.onData.bind(this)); - req.on("error", (xhrStatus, context) => { - this.onError("xhr poll error", xhrStatus, context); - }); - this.pollXhr = req; - } -} -export class Request extends Emitter { - /** - * Request constructor - * - * @param {Object} options - * @package - */ - constructor(uri, opts) { - super(); - installTimerFunctions(this, opts); - this.opts = opts; - this.method = opts.method || "GET"; - this.uri = uri; - this.data = undefined !== opts.data ? opts.data : null; - this.create(); - } - /** - * Creates the XHR object and sends the request. - * - * @private - */ - create() { - var _a; - const opts = pick(this.opts, "agent", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "autoUnref"); - opts.xdomain = !!this.opts.xd; - const xhr = (this.xhr = new XMLHttpRequest(opts)); - try { - debug("xhr open %s: %s", this.method, this.uri); - xhr.open(this.method, this.uri, true); - try { - if (this.opts.extraHeaders) { - xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true); - for (let i in this.opts.extraHeaders) { - if (this.opts.extraHeaders.hasOwnProperty(i)) { - xhr.setRequestHeader(i, this.opts.extraHeaders[i]); - } - } - } - } - catch (e) { } - if ("POST" === this.method) { - try { - xhr.setRequestHeader("Content-type", "text/plain;charset=UTF-8"); - } - catch (e) { } - } - try { - xhr.setRequestHeader("Accept", "*/*"); - } - catch (e) { } - (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr); - // ie6 check - if ("withCredentials" in xhr) { - xhr.withCredentials = this.opts.withCredentials; - } - if (this.opts.requestTimeout) { - xhr.timeout = this.opts.requestTimeout; - } - xhr.onreadystatechange = () => { - var _a; - if (xhr.readyState === 3) { - (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr); - } - if (4 !== xhr.readyState) - return; - if (200 === xhr.status || 1223 === xhr.status) { - this.onLoad(); - } - else { - // make sure the `error` event handler that's user-set - // does not throw in the same tick and gets caught here - this.setTimeoutFn(() => { - this.onError(typeof xhr.status === "number" ? xhr.status : 0); - }, 0); - } - }; - debug("xhr data %s", this.data); - xhr.send(this.data); - } - catch (e) { - // Need to defer since .create() is called directly from the constructor - // and thus the 'error' event can only be only bound *after* this exception - // occurs. Therefore, also, we cannot throw here at all. - this.setTimeoutFn(() => { - this.onError(e); - }, 0); - return; - } - if (typeof document !== "undefined") { - this.index = Request.requestsCount++; - Request.requests[this.index] = this; - } - } - /** - * Called upon error. - * - * @private - */ - onError(err) { - this.emitReserved("error", err, this.xhr); - this.cleanup(true); - } - /** - * Cleans up house. - * - * @private - */ - cleanup(fromError) { - if ("undefined" === typeof this.xhr || null === this.xhr) { - return; - } - this.xhr.onreadystatechange = empty; - if (fromError) { - try { - this.xhr.abort(); - } - catch (e) { } - } - if (typeof document !== "undefined") { - delete Request.requests[this.index]; - } - this.xhr = null; - } - /** - * Called upon load. - * - * @private - */ - onLoad() { - const data = this.xhr.responseText; - if (data !== null) { - this.emitReserved("data", data); - this.emitReserved("success"); - this.cleanup(); - } - } - /** - * Aborts the request. - * - * @package - */ - abort() { - this.cleanup(); - } -} -Request.requestsCount = 0; -Request.requests = {}; -/** - * Aborts pending requests when unloading the window. This is needed to prevent - * memory leaks (e.g. when using IE) and to ensure that no spurious error is - * emitted. - */ -if (typeof document !== "undefined") { - // @ts-ignore - if (typeof attachEvent === "function") { - // @ts-ignore - attachEvent("onunload", unloadHandler); - } - else if (typeof addEventListener === "function") { - const terminationEvent = "onpagehide" in globalThis ? "pagehide" : "unload"; - addEventListener(terminationEvent, unloadHandler, false); - } -} -function unloadHandler() { - for (let i in Request.requests) { - if (Request.requests.hasOwnProperty(i)) { - Request.requests[i].abort(); - } - } -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.browser.d.ts deleted file mode 100644 index 4f1b60e9..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.browser.d.ts +++ /dev/null @@ -1,4 +0,0 @@ -export declare const nextTick: (cb: any, setTimeoutFn: any) => any; -export declare const WebSocket: any; -export declare const usingBrowserWebSocket = true; -export declare const defaultBinaryType = "arraybuffer"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.browser.js deleted file mode 100644 index 481fae90..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.browser.js +++ /dev/null @@ -1,13 +0,0 @@ -import { globalThisShim as globalThis } from "../globalThis.js"; -export const nextTick = (() => { - const isPromiseAvailable = typeof Promise === "function" && typeof Promise.resolve === "function"; - if (isPromiseAvailable) { - return (cb) => Promise.resolve().then(cb); - } - else { - return (cb, setTimeoutFn) => setTimeoutFn(cb, 0); - } -})(); -export const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket; -export const usingBrowserWebSocket = true; -export const defaultBinaryType = "arraybuffer"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.d.ts deleted file mode 100644 index 55095005..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.d.ts +++ /dev/null @@ -1,4 +0,0 @@ -export declare const WebSocket: any; -export declare const usingBrowserWebSocket = false; -export declare const defaultBinaryType = "nodebuffer"; -export declare const nextTick: (callback: Function, ...args: any[]) => void; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.js deleted file mode 100644 index fd0f46eb..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket-constructor.js +++ /dev/null @@ -1,5 +0,0 @@ -import ws from "ws"; -export const WebSocket = ws; -export const usingBrowserWebSocket = false; -export const defaultBinaryType = "nodebuffer"; -export const nextTick = process.nextTick; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket.d.ts deleted file mode 100644 index 30dfe291..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket.d.ts +++ /dev/null @@ -1,34 +0,0 @@ -import { Transport } from "../transport.js"; -export declare class WS extends Transport { - private ws; - /** - * WebSocket transport constructor. - * - * @param {Object} opts - connection options - * @protected - */ - constructor(opts: any); - get name(): string; - doOpen(): this; - /** - * Adds event listeners to the socket - * - * @private - */ - private addEventListeners; - write(packets: any): void; - doClose(): void; - /** - * Generates uri for connection. - * - * @private - */ - private uri; - /** - * Feature detection for WebSocket. - * - * @return {Boolean} whether this transport is available. - * @private - */ - private check; -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket.js deleted file mode 100644 index afca3747..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/websocket.js +++ /dev/null @@ -1,155 +0,0 @@ -import { Transport } from "../transport.js"; -import { yeast } from "../contrib/yeast.js"; -import { pick } from "../util.js"; -import { nextTick, usingBrowserWebSocket, WebSocket, } from "./websocket-constructor.js"; -import debugModule from "debug"; // debug() -import { encodePacket } from "engine.io-parser"; -const debug = debugModule("engine.io-client:websocket"); // debug() -// detect ReactNative environment -const isReactNative = typeof navigator !== "undefined" && - typeof navigator.product === "string" && - navigator.product.toLowerCase() === "reactnative"; -export class WS extends Transport { - /** - * WebSocket transport constructor. - * - * @param {Object} opts - connection options - * @protected - */ - constructor(opts) { - super(opts); - this.supportsBinary = !opts.forceBase64; - } - get name() { - return "websocket"; - } - doOpen() { - if (!this.check()) { - // let probe timeout - return; - } - const uri = this.uri(); - const protocols = this.opts.protocols; - // React Native only supports the 'headers' option, and will print a warning if anything else is passed - const opts = isReactNative - ? {} - : pick(this.opts, "agent", "perMessageDeflate", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "localAddress", "protocolVersion", "origin", "maxPayload", "family", "checkServerIdentity"); - if (this.opts.extraHeaders) { - opts.headers = this.opts.extraHeaders; - } - try { - this.ws = - usingBrowserWebSocket && !isReactNative - ? protocols - ? new WebSocket(uri, protocols) - : new WebSocket(uri) - : new WebSocket(uri, protocols, opts); - } - catch (err) { - return this.emitReserved("error", err); - } - this.ws.binaryType = this.socket.binaryType; - this.addEventListeners(); - } - /** - * Adds event listeners to the socket - * - * @private - */ - addEventListeners() { - this.ws.onopen = () => { - if (this.opts.autoUnref) { - this.ws._socket.unref(); - } - this.onOpen(); - }; - this.ws.onclose = (closeEvent) => this.onClose({ - description: "websocket connection closed", - context: closeEvent, - }); - this.ws.onmessage = (ev) => this.onData(ev.data); - this.ws.onerror = (e) => this.onError("websocket error", e); - } - write(packets) { - this.writable = false; - // encodePacket efficient as it uses WS framing - // no need for encodePayload - for (let i = 0; i < packets.length; i++) { - const packet = packets[i]; - const lastPacket = i === packets.length - 1; - encodePacket(packet, this.supportsBinary, (data) => { - // always create a new object (GH-437) - const opts = {}; - if (!usingBrowserWebSocket) { - if (packet.options) { - opts.compress = packet.options.compress; - } - if (this.opts.perMessageDeflate) { - const len = - // @ts-ignore - "string" === typeof data ? Buffer.byteLength(data) : data.length; - if (len < this.opts.perMessageDeflate.threshold) { - opts.compress = false; - } - } - } - // Sometimes the websocket has already been closed but the browser didn't - // have a chance of informing us about it yet, in that case send will - // throw an error - try { - if (usingBrowserWebSocket) { - // TypeError is thrown when passing the second argument on Safari - this.ws.send(data); - } - else { - this.ws.send(data, opts); - } - } - catch (e) { - debug("websocket closed before onclose event"); - } - if (lastPacket) { - // fake drain - // defer to next tick to allow Socket to clear writeBuffer - nextTick(() => { - this.writable = true; - this.emitReserved("drain"); - }, this.setTimeoutFn); - } - }); - } - } - doClose() { - if (typeof this.ws !== "undefined") { - this.ws.close(); - this.ws = null; - } - } - /** - * Generates uri for connection. - * - * @private - */ - uri() { - const schema = this.opts.secure ? "wss" : "ws"; - const query = this.query || {}; - // append timestamp to URI - if (this.opts.timestampRequests) { - query[this.opts.timestampParam] = yeast(); - } - // communicate binary support capabilities - if (!this.supportsBinary) { - query.b64 = 1; - } - return this.createUri(schema, query); - } - /** - * Feature detection for WebSocket. - * - * @return {Boolean} whether this transport is available. - * @private - */ - check() { - return !!WebSocket; - } -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/webtransport.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/webtransport.d.ts deleted file mode 100644 index 093d6605..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/webtransport.d.ts +++ /dev/null @@ -1,10 +0,0 @@ -import { Transport } from "../transport.js"; -import { Packet } from "engine.io-parser"; -export declare class WT extends Transport { - private transport; - private writer; - get name(): string; - protected doOpen(): void; - protected write(packets: Packet[]): void; - protected doClose(): void; -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/webtransport.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/webtransport.js deleted file mode 100644 index db9235e4..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/webtransport.js +++ /dev/null @@ -1,78 +0,0 @@ -import { Transport } from "../transport.js"; -import { nextTick } from "./websocket-constructor.js"; -import { createPacketDecoderStream, createPacketEncoderStream, } from "engine.io-parser"; -import debugModule from "debug"; // debug() -const debug = debugModule("engine.io-client:webtransport"); // debug() -export class WT extends Transport { - get name() { - return "webtransport"; - } - doOpen() { - // @ts-ignore - if (typeof WebTransport !== "function") { - return; - } - // @ts-ignore - this.transport = new WebTransport(this.createUri("https"), this.opts.transportOptions[this.name]); - this.transport.closed - .then(() => { - debug("transport closed gracefully"); - this.onClose(); - }) - .catch((err) => { - debug("transport closed due to %s", err); - this.onError("webtransport error", err); - }); - // note: we could have used async/await, but that would require some additional polyfills - this.transport.ready.then(() => { - this.transport.createBidirectionalStream().then((stream) => { - const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType); - const reader = stream.readable.pipeThrough(decoderStream).getReader(); - const encoderStream = createPacketEncoderStream(); - encoderStream.readable.pipeTo(stream.writable); - this.writer = encoderStream.writable.getWriter(); - const read = () => { - reader - .read() - .then(({ done, value }) => { - if (done) { - debug("session is closed"); - return; - } - debug("received chunk: %o", value); - this.onPacket(value); - read(); - }) - .catch((err) => { - debug("an error occurred while reading: %s", err); - }); - }; - read(); - const packet = { type: "open" }; - if (this.query.sid) { - packet.data = `{"sid":"${this.query.sid}"}`; - } - this.writer.write(packet).then(() => this.onOpen()); - }); - }); - } - write(packets) { - this.writable = false; - for (let i = 0; i < packets.length; i++) { - const packet = packets[i]; - const lastPacket = i === packets.length - 1; - this.writer.write(packet).then(() => { - if (lastPacket) { - nextTick(() => { - this.writable = true; - this.emitReserved("drain"); - }, this.setTimeoutFn); - } - }); - } - } - doClose() { - var _a; - (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close(); - } -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.browser.d.ts deleted file mode 100644 index cb475422..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.browser.d.ts +++ /dev/null @@ -1,2 +0,0 @@ -export declare function XHR(opts: any): any; -export declare function createCookieJar(): void; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.browser.js deleted file mode 100644 index 8c54fc86..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.browser.js +++ /dev/null @@ -1,20 +0,0 @@ -// browser shim for xmlhttprequest module -import { hasCORS } from "../contrib/has-cors.js"; -import { globalThisShim as globalThis } from "../globalThis.js"; -export function XHR(opts) { - const xdomain = opts.xdomain; - // XMLHttpRequest can be disabled on IE - try { - if ("undefined" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) { - return new XMLHttpRequest(); - } - } - catch (e) { } - if (!xdomain) { - try { - return new globalThis[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP"); - } - catch (e) { } - } -} -export function createCookieJar() { } diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.d.ts deleted file mode 100644 index f2af011a..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.d.ts +++ /dev/null @@ -1,17 +0,0 @@ -export declare const XHR: any; -export declare function createCookieJar(): CookieJar; -interface Cookie { - name: string; - value: string; - expires?: Date; -} -/** - * @see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie - */ -export declare function parse(setCookieString: string): Cookie; -export declare class CookieJar { - private cookies; - parseCookies(xhr: any): void; - addCookies(xhr: any): void; -} -export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.js deleted file mode 100644 index 590c2680..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/transports/xmlhttprequest.js +++ /dev/null @@ -1,82 +0,0 @@ -import * as XMLHttpRequestModule from "xmlhttprequest-ssl"; -export const XHR = XMLHttpRequestModule.default || XMLHttpRequestModule; -export function createCookieJar() { - return new CookieJar(); -} -/** - * @see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie - */ -export function parse(setCookieString) { - const parts = setCookieString.split("; "); - const i = parts[0].indexOf("="); - if (i === -1) { - return; - } - const name = parts[0].substring(0, i).trim(); - if (!name.length) { - return; - } - let value = parts[0].substring(i + 1).trim(); - if (value.charCodeAt(0) === 0x22) { - // remove double quotes - value = value.slice(1, -1); - } - const cookie = { - name, - value, - }; - for (let j = 1; j < parts.length; j++) { - const subParts = parts[j].split("="); - if (subParts.length !== 2) { - continue; - } - const key = subParts[0].trim(); - const value = subParts[1].trim(); - switch (key) { - case "Expires": - cookie.expires = new Date(value); - break; - case "Max-Age": - const expiration = new Date(); - expiration.setUTCSeconds(expiration.getUTCSeconds() + parseInt(value, 10)); - cookie.expires = expiration; - break; - default: - // ignore other keys - } - } - return cookie; -} -export class CookieJar { - constructor() { - this.cookies = new Map(); - } - parseCookies(xhr) { - const values = xhr.getResponseHeader("set-cookie"); - if (!values) { - return; - } - values.forEach((value) => { - const parsed = parse(value); - if (parsed) { - this.cookies.set(parsed.name, parsed); - } - }); - } - addCookies(xhr) { - const cookies = []; - this.cookies.forEach((cookie, name) => { - var _a; - if (((_a = cookie.expires) === null || _a === void 0 ? void 0 : _a.getTime()) < Date.now()) { - this.cookies.delete(name); - } - else { - cookies.push(`${name}=${cookie.value}`); - } - }); - if (cookies.length) { - xhr.setDisableHeaderCheck(true); - xhr.setRequestHeader("cookie", cookies.join("; ")); - } - } -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/util.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/util.d.ts deleted file mode 100644 index 5921b7b7..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/util.d.ts +++ /dev/null @@ -1,3 +0,0 @@ -export declare function pick(obj: any, ...attr: any[]): any; -export declare function installTimerFunctions(obj: any, opts: any): void; -export declare function byteLength(obj: any): number; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/util.js b/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/util.js deleted file mode 100644 index 243af585..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm-debug/util.js +++ /dev/null @@ -1,52 +0,0 @@ -import { globalThisShim as globalThis } from "./globalThis.js"; -export function pick(obj, ...attr) { - return attr.reduce((acc, k) => { - if (obj.hasOwnProperty(k)) { - acc[k] = obj[k]; - } - return acc; - }, {}); -} -// Keep a reference to the real timeout functions so they can be used when overridden -const NATIVE_SET_TIMEOUT = globalThis.setTimeout; -const NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout; -export function installTimerFunctions(obj, opts) { - if (opts.useNativeTimers) { - obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis); - obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis); - } - else { - obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis); - obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis); - } -} -// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64) -const BASE64_OVERHEAD = 1.33; -// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9 -export function byteLength(obj) { - if (typeof obj === "string") { - return utf8Length(obj); - } - // arraybuffer or blob - return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD); -} -function utf8Length(str) { - let c = 0, length = 0; - for (let i = 0, l = str.length; i < l; i++) { - c = str.charCodeAt(i); - if (c < 0x80) { - length += 1; - } - else if (c < 0x800) { - length += 2; - } - else if (c < 0xd800 || c >= 0xe000) { - length += 3; - } - else { - i++; - length += 4; - } - } - return length; -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/browser-entrypoint.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/browser-entrypoint.d.ts deleted file mode 100644 index 66bff7b2..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/browser-entrypoint.d.ts +++ /dev/null @@ -1,3 +0,0 @@ -import { Socket } from "./socket.js"; -declare const _default: (uri: any, opts: any) => Socket; -export default _default; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/browser-entrypoint.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/browser-entrypoint.js deleted file mode 100644 index ca62e3e4..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/browser-entrypoint.js +++ /dev/null @@ -1,2 +0,0 @@ -import { Socket } from "./socket.js"; -export default (uri, opts) => new Socket(uri, opts); diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/has-cors.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/has-cors.d.ts deleted file mode 100644 index 346b0a5c..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/has-cors.d.ts +++ /dev/null @@ -1 +0,0 @@ -export declare const hasCORS: boolean; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/has-cors.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/has-cors.js deleted file mode 100644 index 4e3edf45..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/has-cors.js +++ /dev/null @@ -1,11 +0,0 @@ -// imported from https://github.com/component/has-cors -let value = false; -try { - value = typeof XMLHttpRequest !== 'undefined' && - 'withCredentials' in new XMLHttpRequest(); -} -catch (err) { - // if XMLHttp support is disabled in IE then it will throw - // when trying to create -} -export const hasCORS = value; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseqs.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseqs.d.ts deleted file mode 100644 index 528aab11..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseqs.d.ts +++ /dev/null @@ -1,15 +0,0 @@ -/** - * Compiles a querystring - * Returns string representation of the object - * - * @param {Object} - * @api private - */ -export declare function encode(obj: any): string; -/** - * Parses a simple querystring into an object - * - * @param {String} qs - * @api private - */ -export declare function decode(qs: any): {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseqs.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseqs.js deleted file mode 100644 index aea0f7b8..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseqs.js +++ /dev/null @@ -1,34 +0,0 @@ -// imported from https://github.com/galkn/querystring -/** - * Compiles a querystring - * Returns string representation of the object - * - * @param {Object} - * @api private - */ -export function encode(obj) { - let str = ''; - for (let i in obj) { - if (obj.hasOwnProperty(i)) { - if (str.length) - str += '&'; - str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]); - } - } - return str; -} -/** - * Parses a simple querystring into an object - * - * @param {String} qs - * @api private - */ -export function decode(qs) { - let qry = {}; - let pairs = qs.split('&'); - for (let i = 0, l = pairs.length; i < l; i++) { - let pair = pairs[i].split('='); - qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]); - } - return qry; -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseuri.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseuri.d.ts deleted file mode 100644 index 9a7a14ae..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseuri.d.ts +++ /dev/null @@ -1 +0,0 @@ -export declare function parse(str: string): any; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseuri.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseuri.js deleted file mode 100644 index fa0106fb..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/parseuri.js +++ /dev/null @@ -1,64 +0,0 @@ -// imported from https://github.com/galkn/parseuri -/** - * Parses a URI - * - * Note: we could also have used the built-in URL object, but it isn't supported on all platforms. - * - * See: - * - https://developer.mozilla.org/en-US/docs/Web/API/URL - * - https://caniuse.com/url - * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B - * - * History of the parse() method: - * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c - * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3 - * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242 - * - * @author Steven Levithan (MIT license) - * @api private - */ -const re = /^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/; -const parts = [ - 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor' -]; -export function parse(str) { - if (str.length > 2000) { - throw "URI too long"; - } - const src = str, b = str.indexOf('['), e = str.indexOf(']'); - if (b != -1 && e != -1) { - str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length); - } - let m = re.exec(str || ''), uri = {}, i = 14; - while (i--) { - uri[parts[i]] = m[i] || ''; - } - if (b != -1 && e != -1) { - uri.source = src; - uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':'); - uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':'); - uri.ipv6uri = true; - } - uri.pathNames = pathNames(uri, uri['path']); - uri.queryKey = queryKey(uri, uri['query']); - return uri; -} -function pathNames(obj, path) { - const regx = /\/{2,9}/g, names = path.replace(regx, "/").split("/"); - if (path.slice(0, 1) == '/' || path.length === 0) { - names.splice(0, 1); - } - if (path.slice(-1) == '/') { - names.splice(names.length - 1, 1); - } - return names; -} -function queryKey(uri, query) { - const data = {}; - query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) { - if ($1) { - data[$1] = $2; - } - }); - return data; -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/yeast.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/yeast.d.ts deleted file mode 100644 index 29b5b45e..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/yeast.d.ts +++ /dev/null @@ -1,23 +0,0 @@ -/** - * Return a string representing the specified number. - * - * @param {Number} num The number to convert. - * @returns {String} The string representation of the number. - * @api public - */ -export declare function encode(num: any): string; -/** - * Return the integer value specified by the given string. - * - * @param {String} str The string to convert. - * @returns {Number} The integer value represented by the string. - * @api public - */ -export declare function decode(str: any): number; -/** - * Yeast: A tiny growing id generator. - * - * @returns {String} A unique id. - * @api public - */ -export declare function yeast(): string; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/yeast.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/yeast.js deleted file mode 100644 index e0910321..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/contrib/yeast.js +++ /dev/null @@ -1,50 +0,0 @@ -// imported from https://github.com/unshiftio/yeast -'use strict'; -const alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {}; -let seed = 0, i = 0, prev; -/** - * Return a string representing the specified number. - * - * @param {Number} num The number to convert. - * @returns {String} The string representation of the number. - * @api public - */ -export function encode(num) { - let encoded = ''; - do { - encoded = alphabet[num % length] + encoded; - num = Math.floor(num / length); - } while (num > 0); - return encoded; -} -/** - * Return the integer value specified by the given string. - * - * @param {String} str The string to convert. - * @returns {Number} The integer value represented by the string. - * @api public - */ -export function decode(str) { - let decoded = 0; - for (i = 0; i < str.length; i++) { - decoded = decoded * length + map[str.charAt(i)]; - } - return decoded; -} -/** - * Yeast: A tiny growing id generator. - * - * @returns {String} A unique id. - * @api public - */ -export function yeast() { - const now = encode(+new Date()); - if (now !== prev) - return seed = 0, prev = now; - return now + '.' + encode(seed++); -} -// -// Map each character to its index. -// -for (; i < length; i++) - map[alphabet[i]] = i; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.browser.d.ts deleted file mode 100644 index 28d0a7c5..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.browser.d.ts +++ /dev/null @@ -1 +0,0 @@ -export declare const globalThisShim: any; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.browser.js deleted file mode 100644 index ac268995..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.browser.js +++ /dev/null @@ -1,11 +0,0 @@ -export const globalThisShim = (() => { - if (typeof self !== "undefined") { - return self; - } - else if (typeof window !== "undefined") { - return window; - } - else { - return Function("return this")(); - } -})(); diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.d.ts deleted file mode 100644 index 4b9b90ff..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.d.ts +++ /dev/null @@ -1 +0,0 @@ -export declare const globalThisShim: typeof globalThis; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.js deleted file mode 100644 index 27a616bd..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/globalThis.js +++ /dev/null @@ -1 +0,0 @@ -export const globalThisShim = global; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/index.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/index.d.ts deleted file mode 100644 index 9e2dbd3c..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/index.d.ts +++ /dev/null @@ -1,9 +0,0 @@ -import { Socket } from "./socket.js"; -export { Socket }; -export { SocketOptions } from "./socket.js"; -export declare const protocol: number; -export { Transport, TransportError } from "./transport.js"; -export { transports } from "./transports/index.js"; -export { installTimerFunctions } from "./util.js"; -export { parse } from "./contrib/parseuri.js"; -export { nextTick } from "./transports/websocket-constructor.js"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/index.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/index.js deleted file mode 100644 index 532e15ac..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/index.js +++ /dev/null @@ -1,8 +0,0 @@ -import { Socket } from "./socket.js"; -export { Socket }; -export const protocol = Socket.protocol; -export { Transport, TransportError } from "./transport.js"; -export { transports } from "./transports/index.js"; -export { installTimerFunctions } from "./util.js"; -export { parse } from "./contrib/parseuri.js"; -export { nextTick } from "./transports/websocket-constructor.js"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/package.json b/examples/axum-echo/node_modules/engine.io-client/build/esm/package.json deleted file mode 100644 index 89498b3d..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/package.json +++ /dev/null @@ -1,10 +0,0 @@ -{ - "name": "engine.io-client", - "type": "module", - "browser": { - "ws": false, - "./transports/xmlhttprequest.js": "./transports/xmlhttprequest.browser.js", - "./transports/websocket-constructor.js": "./transports/websocket-constructor.browser.js", - "./globalThis.js": "./globalThis.browser.js" - } -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/socket.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/socket.d.ts deleted file mode 100644 index 027a0e37..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/socket.d.ts +++ /dev/null @@ -1,362 +0,0 @@ -import { Emitter } from "@socket.io/component-emitter"; -import type { Packet, BinaryType, RawData } from "engine.io-parser"; -import { CloseDetails, Transport } from "./transport.js"; -export interface SocketOptions { - /** - * The host that we're connecting to. Set from the URI passed when connecting - */ - host: string; - /** - * The hostname for our connection. Set from the URI passed when connecting - */ - hostname: string; - /** - * If this is a secure connection. Set from the URI passed when connecting - */ - secure: boolean; - /** - * The port for our connection. Set from the URI passed when connecting - */ - port: string | number; - /** - * Any query parameters in our uri. Set from the URI passed when connecting - */ - query: { - [key: string]: any; - }; - /** - * `http.Agent` to use, defaults to `false` (NodeJS only) - * - * Note: the type should be "undefined | http.Agent | https.Agent | false", but this would break browser-only clients. - * - * @see https://nodejs.org/api/http.html#httprequestoptions-callback - */ - agent: string | boolean; - /** - * Whether the client should try to upgrade the transport from - * long-polling to something better. - * @default true - */ - upgrade: boolean; - /** - * Forces base 64 encoding for polling transport even when XHR2 - * responseType is available and WebSocket even if the used standard - * supports binary. - */ - forceBase64: boolean; - /** - * The param name to use as our timestamp key - * @default 't' - */ - timestampParam: string; - /** - * Whether to add the timestamp with each transport request. Note: this - * is ignored if the browser is IE or Android, in which case requests - * are always stamped - * @default false - */ - timestampRequests: boolean; - /** - * A list of transports to try (in order). Engine.io always attempts to - * connect directly with the first one, provided the feature detection test - * for it passes. - * - * @default ['polling','websocket', 'webtransport'] - */ - transports: string[]; - /** - * If true and if the previous websocket connection to the server succeeded, - * the connection attempt will bypass the normal upgrade process and will - * initially try websocket. A connection attempt following a transport error - * will use the normal upgrade process. It is recommended you turn this on - * only when using SSL/TLS connections, or if you know that your network does - * not block websockets. - * @default false - */ - rememberUpgrade: boolean; - /** - * Are we only interested in transports that support binary? - */ - onlyBinaryUpgrades: boolean; - /** - * Timeout for xhr-polling requests in milliseconds (0) (only for polling transport) - */ - requestTimeout: number; - /** - * Transport options for Node.js client (headers etc) - */ - transportOptions: Object; - /** - * (SSL) Certificate, Private key and CA certificates to use for SSL. - * Can be used in Node.js client environment to manually specify - * certificate information. - */ - pfx: string; - /** - * (SSL) Private key to use for SSL. Can be used in Node.js client - * environment to manually specify certificate information. - */ - key: string; - /** - * (SSL) A string or passphrase for the private key or pfx. Can be - * used in Node.js client environment to manually specify certificate - * information. - */ - passphrase: string; - /** - * (SSL) Public x509 certificate to use. Can be used in Node.js client - * environment to manually specify certificate information. - */ - cert: string; - /** - * (SSL) An authority certificate or array of authority certificates to - * check the remote host against.. Can be used in Node.js client - * environment to manually specify certificate information. - */ - ca: string | string[]; - /** - * (SSL) A string describing the ciphers to use or exclude. Consult the - * [cipher format list] - * (http://www.openssl.org/docs/apps/ciphers.html#CIPHER_LIST_FORMAT) for - * details on the format.. Can be used in Node.js client environment to - * manually specify certificate information. - */ - ciphers: string; - /** - * (SSL) If true, the server certificate is verified against the list of - * supplied CAs. An 'error' event is emitted if verification fails. - * Verification happens at the connection level, before the HTTP request - * is sent. Can be used in Node.js client environment to manually specify - * certificate information. - */ - rejectUnauthorized: boolean; - /** - * Headers that will be passed for each request to the server (via xhr-polling and via websockets). - * These values then can be used during handshake or for special proxies. - */ - extraHeaders?: { - [header: string]: string; - }; - /** - * Whether to include credentials (cookies, authorization headers, TLS - * client certificates, etc.) with cross-origin XHR polling requests - * @default false - */ - withCredentials: boolean; - /** - * Whether to automatically close the connection whenever the beforeunload event is received. - * @default false - */ - closeOnBeforeunload: boolean; - /** - * Whether to always use the native timeouts. This allows the client to - * reconnect when the native timeout functions are overridden, such as when - * mock clocks are installed. - * @default false - */ - useNativeTimers: boolean; - /** - * weather we should unref the reconnect timer when it is - * create automatically - * @default false - */ - autoUnref: boolean; - /** - * parameters of the WebSocket permessage-deflate extension (see ws module api docs). Set to false to disable. - * @default false - */ - perMessageDeflate: { - threshold: number; - }; - /** - * The path to get our client file from, in the case of the server - * serving it - * @default '/engine.io' - */ - path: string; - /** - * Whether we should add a trailing slash to the request path. - * @default true - */ - addTrailingSlash: boolean; - /** - * Either a single protocol string or an array of protocol strings. These strings are used to indicate sub-protocols, - * so that a single server can implement multiple WebSocket sub-protocols (for example, you might want one server to - * be able to handle different types of interactions depending on the specified protocol) - * @default [] - */ - protocols: string | string[]; -} -interface HandshakeData { - sid: string; - upgrades: string[]; - pingInterval: number; - pingTimeout: number; - maxPayload: number; -} -interface SocketReservedEvents { - open: () => void; - handshake: (data: HandshakeData) => void; - packet: (packet: Packet) => void; - packetCreate: (packet: Packet) => void; - data: (data: any) => void; - message: (data: any) => void; - drain: () => void; - flush: () => void; - heartbeat: () => void; - ping: () => void; - pong: () => void; - error: (err: string | Error) => void; - upgrading: (transport: any) => void; - upgrade: (transport: any) => void; - upgradeError: (err: Error) => void; - close: (reason: string, description?: CloseDetails | Error) => void; -} -type SocketState = "opening" | "open" | "closing" | "closed"; -export declare class Socket extends Emitter, Record, SocketReservedEvents> { - id: string; - transport: Transport; - binaryType: BinaryType; - readyState: SocketState; - writeBuffer: Packet[]; - private prevBufferLen; - private upgrades; - private pingInterval; - private pingTimeout; - private pingTimeoutTimer; - private setTimeoutFn; - private clearTimeoutFn; - private readonly beforeunloadEventListener; - private readonly offlineEventListener; - private upgrading; - private maxPayload?; - private readonly opts; - private readonly secure; - private readonly hostname; - private readonly port; - private readonly transports; - static priorWebsocketSuccess: boolean; - static protocol: number; - /** - * Socket constructor. - * - * @param {String|Object} uri - uri or options - * @param {Object} opts - options - */ - constructor(uri: any, opts?: Partial); - /** - * Creates transport of the given type. - * - * @param {String} name - transport name - * @return {Transport} - * @private - */ - private createTransport; - /** - * Initializes transport to use and starts probe. - * - * @private - */ - private open; - /** - * Sets the current transport. Disables the existing one (if any). - * - * @private - */ - private setTransport; - /** - * Probes a transport. - * - * @param {String} name - transport name - * @private - */ - private probe; - /** - * Called when connection is deemed open. - * - * @private - */ - private onOpen; - /** - * Handles a packet. - * - * @private - */ - private onPacket; - /** - * Called upon handshake completion. - * - * @param {Object} data - handshake obj - * @private - */ - private onHandshake; - /** - * Sets and resets ping timeout timer based on server pings. - * - * @private - */ - private resetPingTimeout; - /** - * Called on `drain` event - * - * @private - */ - private onDrain; - /** - * Flush write buffers. - * - * @private - */ - private flush; - /** - * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP - * long-polling) - * - * @private - */ - private getWritablePackets; - /** - * Sends a message. - * - * @param {String} msg - message. - * @param {Object} options. - * @param {Function} callback function. - * @return {Socket} for chaining. - */ - write(msg: RawData, options?: any, fn?: any): this; - send(msg: RawData, options?: any, fn?: any): this; - /** - * Sends a packet. - * - * @param {String} type: packet type. - * @param {String} data. - * @param {Object} options. - * @param {Function} fn - callback function. - * @private - */ - private sendPacket; - /** - * Closes the connection. - */ - close(): this; - /** - * Called upon transport error - * - * @private - */ - private onError; - /** - * Called upon transport close. - * - * @private - */ - private onClose; - /** - * Filters upgrades, returning only those matching client transports. - * - * @param {Array} upgrades - server upgrades - * @private - */ - private filterUpgrades; -} -export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/socket.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/socket.js deleted file mode 100644 index 47187fbe..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/socket.js +++ /dev/null @@ -1,594 +0,0 @@ -import { transports } from "./transports/index.js"; -import { installTimerFunctions, byteLength } from "./util.js"; -import { decode } from "./contrib/parseqs.js"; -import { parse } from "./contrib/parseuri.js"; -import { Emitter } from "@socket.io/component-emitter"; -import { protocol } from "engine.io-parser"; -import { defaultBinaryType } from "./transports/websocket-constructor.js"; -export class Socket extends Emitter { - /** - * Socket constructor. - * - * @param {String|Object} uri - uri or options - * @param {Object} opts - options - */ - constructor(uri, opts = {}) { - super(); - this.binaryType = defaultBinaryType; - this.writeBuffer = []; - if (uri && "object" === typeof uri) { - opts = uri; - uri = null; - } - if (uri) { - uri = parse(uri); - opts.hostname = uri.host; - opts.secure = uri.protocol === "https" || uri.protocol === "wss"; - opts.port = uri.port; - if (uri.query) - opts.query = uri.query; - } - else if (opts.host) { - opts.hostname = parse(opts.host).host; - } - installTimerFunctions(this, opts); - this.secure = - null != opts.secure - ? opts.secure - : typeof location !== "undefined" && "https:" === location.protocol; - if (opts.hostname && !opts.port) { - // if no port is specified manually, use the protocol default - opts.port = this.secure ? "443" : "80"; - } - this.hostname = - opts.hostname || - (typeof location !== "undefined" ? location.hostname : "localhost"); - this.port = - opts.port || - (typeof location !== "undefined" && location.port - ? location.port - : this.secure - ? "443" - : "80"); - this.transports = opts.transports || [ - "polling", - "websocket", - "webtransport", - ]; - this.writeBuffer = []; - this.prevBufferLen = 0; - this.opts = Object.assign({ - path: "/engine.io", - agent: false, - withCredentials: false, - upgrade: true, - timestampParam: "t", - rememberUpgrade: false, - addTrailingSlash: true, - rejectUnauthorized: true, - perMessageDeflate: { - threshold: 1024, - }, - transportOptions: {}, - closeOnBeforeunload: false, - }, opts); - this.opts.path = - this.opts.path.replace(/\/$/, "") + - (this.opts.addTrailingSlash ? "/" : ""); - if (typeof this.opts.query === "string") { - this.opts.query = decode(this.opts.query); - } - // set on handshake - this.id = null; - this.upgrades = null; - this.pingInterval = null; - this.pingTimeout = null; - // set on heartbeat - this.pingTimeoutTimer = null; - if (typeof addEventListener === "function") { - if (this.opts.closeOnBeforeunload) { - // Firefox closes the connection when the "beforeunload" event is emitted but not Chrome. This event listener - // ensures every browser behaves the same (no "disconnect" event at the Socket.IO level when the page is - // closed/reloaded) - this.beforeunloadEventListener = () => { - if (this.transport) { - // silently close the transport - this.transport.removeAllListeners(); - this.transport.close(); - } - }; - addEventListener("beforeunload", this.beforeunloadEventListener, false); - } - if (this.hostname !== "localhost") { - this.offlineEventListener = () => { - this.onClose("transport close", { - description: "network connection lost", - }); - }; - addEventListener("offline", this.offlineEventListener, false); - } - } - this.open(); - } - /** - * Creates transport of the given type. - * - * @param {String} name - transport name - * @return {Transport} - * @private - */ - createTransport(name) { - const query = Object.assign({}, this.opts.query); - // append engine.io protocol identifier - query.EIO = protocol; - // transport name - query.transport = name; - // session id if we already have one - if (this.id) - query.sid = this.id; - const opts = Object.assign({}, this.opts, { - query, - socket: this, - hostname: this.hostname, - secure: this.secure, - port: this.port, - }, this.opts.transportOptions[name]); - return new transports[name](opts); - } - /** - * Initializes transport to use and starts probe. - * - * @private - */ - open() { - let transport; - if (this.opts.rememberUpgrade && - Socket.priorWebsocketSuccess && - this.transports.indexOf("websocket") !== -1) { - transport = "websocket"; - } - else if (0 === this.transports.length) { - // Emit error on next tick so it can be listened to - this.setTimeoutFn(() => { - this.emitReserved("error", "No transports available"); - }, 0); - return; - } - else { - transport = this.transports[0]; - } - this.readyState = "opening"; - // Retry with the next transport if the transport is disabled (jsonp: false) - try { - transport = this.createTransport(transport); - } - catch (e) { - this.transports.shift(); - this.open(); - return; - } - transport.open(); - this.setTransport(transport); - } - /** - * Sets the current transport. Disables the existing one (if any). - * - * @private - */ - setTransport(transport) { - if (this.transport) { - this.transport.removeAllListeners(); - } - // set up transport - this.transport = transport; - // set up transport listeners - transport - .on("drain", this.onDrain.bind(this)) - .on("packet", this.onPacket.bind(this)) - .on("error", this.onError.bind(this)) - .on("close", (reason) => this.onClose("transport close", reason)); - } - /** - * Probes a transport. - * - * @param {String} name - transport name - * @private - */ - probe(name) { - let transport = this.createTransport(name); - let failed = false; - Socket.priorWebsocketSuccess = false; - const onTransportOpen = () => { - if (failed) - return; - transport.send([{ type: "ping", data: "probe" }]); - transport.once("packet", (msg) => { - if (failed) - return; - if ("pong" === msg.type && "probe" === msg.data) { - this.upgrading = true; - this.emitReserved("upgrading", transport); - if (!transport) - return; - Socket.priorWebsocketSuccess = "websocket" === transport.name; - this.transport.pause(() => { - if (failed) - return; - if ("closed" === this.readyState) - return; - cleanup(); - this.setTransport(transport); - transport.send([{ type: "upgrade" }]); - this.emitReserved("upgrade", transport); - transport = null; - this.upgrading = false; - this.flush(); - }); - } - else { - const err = new Error("probe error"); - // @ts-ignore - err.transport = transport.name; - this.emitReserved("upgradeError", err); - } - }); - }; - function freezeTransport() { - if (failed) - return; - // Any callback called by transport should be ignored since now - failed = true; - cleanup(); - transport.close(); - transport = null; - } - // Handle any error that happens while probing - const onerror = (err) => { - const error = new Error("probe error: " + err); - // @ts-ignore - error.transport = transport.name; - freezeTransport(); - this.emitReserved("upgradeError", error); - }; - function onTransportClose() { - onerror("transport closed"); - } - // When the socket is closed while we're probing - function onclose() { - onerror("socket closed"); - } - // When the socket is upgraded while we're probing - function onupgrade(to) { - if (transport && to.name !== transport.name) { - freezeTransport(); - } - } - // Remove all listeners on the transport and on self - const cleanup = () => { - transport.removeListener("open", onTransportOpen); - transport.removeListener("error", onerror); - transport.removeListener("close", onTransportClose); - this.off("close", onclose); - this.off("upgrading", onupgrade); - }; - transport.once("open", onTransportOpen); - transport.once("error", onerror); - transport.once("close", onTransportClose); - this.once("close", onclose); - this.once("upgrading", onupgrade); - if (this.upgrades.indexOf("webtransport") !== -1 && - name !== "webtransport") { - // favor WebTransport - this.setTimeoutFn(() => { - if (!failed) { - transport.open(); - } - }, 200); - } - else { - transport.open(); - } - } - /** - * Called when connection is deemed open. - * - * @private - */ - onOpen() { - this.readyState = "open"; - Socket.priorWebsocketSuccess = "websocket" === this.transport.name; - this.emitReserved("open"); - this.flush(); - // we check for `readyState` in case an `open` - // listener already closed the socket - if ("open" === this.readyState && this.opts.upgrade) { - let i = 0; - const l = this.upgrades.length; - for (; i < l; i++) { - this.probe(this.upgrades[i]); - } - } - } - /** - * Handles a packet. - * - * @private - */ - onPacket(packet) { - if ("opening" === this.readyState || - "open" === this.readyState || - "closing" === this.readyState) { - this.emitReserved("packet", packet); - // Socket is live - any packet counts - this.emitReserved("heartbeat"); - this.resetPingTimeout(); - switch (packet.type) { - case "open": - this.onHandshake(JSON.parse(packet.data)); - break; - case "ping": - this.sendPacket("pong"); - this.emitReserved("ping"); - this.emitReserved("pong"); - break; - case "error": - const err = new Error("server error"); - // @ts-ignore - err.code = packet.data; - this.onError(err); - break; - case "message": - this.emitReserved("data", packet.data); - this.emitReserved("message", packet.data); - break; - } - } - else { - } - } - /** - * Called upon handshake completion. - * - * @param {Object} data - handshake obj - * @private - */ - onHandshake(data) { - this.emitReserved("handshake", data); - this.id = data.sid; - this.transport.query.sid = data.sid; - this.upgrades = this.filterUpgrades(data.upgrades); - this.pingInterval = data.pingInterval; - this.pingTimeout = data.pingTimeout; - this.maxPayload = data.maxPayload; - this.onOpen(); - // In case open handler closes socket - if ("closed" === this.readyState) - return; - this.resetPingTimeout(); - } - /** - * Sets and resets ping timeout timer based on server pings. - * - * @private - */ - resetPingTimeout() { - this.clearTimeoutFn(this.pingTimeoutTimer); - this.pingTimeoutTimer = this.setTimeoutFn(() => { - this.onClose("ping timeout"); - }, this.pingInterval + this.pingTimeout); - if (this.opts.autoUnref) { - this.pingTimeoutTimer.unref(); - } - } - /** - * Called on `drain` event - * - * @private - */ - onDrain() { - this.writeBuffer.splice(0, this.prevBufferLen); - // setting prevBufferLen = 0 is very important - // for example, when upgrading, upgrade packet is sent over, - // and a nonzero prevBufferLen could cause problems on `drain` - this.prevBufferLen = 0; - if (0 === this.writeBuffer.length) { - this.emitReserved("drain"); - } - else { - this.flush(); - } - } - /** - * Flush write buffers. - * - * @private - */ - flush() { - if ("closed" !== this.readyState && - this.transport.writable && - !this.upgrading && - this.writeBuffer.length) { - const packets = this.getWritablePackets(); - this.transport.send(packets); - // keep track of current length of writeBuffer - // splice writeBuffer and callbackBuffer on `drain` - this.prevBufferLen = packets.length; - this.emitReserved("flush"); - } - } - /** - * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP - * long-polling) - * - * @private - */ - getWritablePackets() { - const shouldCheckPayloadSize = this.maxPayload && - this.transport.name === "polling" && - this.writeBuffer.length > 1; - if (!shouldCheckPayloadSize) { - return this.writeBuffer; - } - let payloadSize = 1; // first packet type - for (let i = 0; i < this.writeBuffer.length; i++) { - const data = this.writeBuffer[i].data; - if (data) { - payloadSize += byteLength(data); - } - if (i > 0 && payloadSize > this.maxPayload) { - return this.writeBuffer.slice(0, i); - } - payloadSize += 2; // separator + packet type - } - return this.writeBuffer; - } - /** - * Sends a message. - * - * @param {String} msg - message. - * @param {Object} options. - * @param {Function} callback function. - * @return {Socket} for chaining. - */ - write(msg, options, fn) { - this.sendPacket("message", msg, options, fn); - return this; - } - send(msg, options, fn) { - this.sendPacket("message", msg, options, fn); - return this; - } - /** - * Sends a packet. - * - * @param {String} type: packet type. - * @param {String} data. - * @param {Object} options. - * @param {Function} fn - callback function. - * @private - */ - sendPacket(type, data, options, fn) { - if ("function" === typeof data) { - fn = data; - data = undefined; - } - if ("function" === typeof options) { - fn = options; - options = null; - } - if ("closing" === this.readyState || "closed" === this.readyState) { - return; - } - options = options || {}; - options.compress = false !== options.compress; - const packet = { - type: type, - data: data, - options: options, - }; - this.emitReserved("packetCreate", packet); - this.writeBuffer.push(packet); - if (fn) - this.once("flush", fn); - this.flush(); - } - /** - * Closes the connection. - */ - close() { - const close = () => { - this.onClose("forced close"); - this.transport.close(); - }; - const cleanupAndClose = () => { - this.off("upgrade", cleanupAndClose); - this.off("upgradeError", cleanupAndClose); - close(); - }; - const waitForUpgrade = () => { - // wait for upgrade to finish since we can't send packets while pausing a transport - this.once("upgrade", cleanupAndClose); - this.once("upgradeError", cleanupAndClose); - }; - if ("opening" === this.readyState || "open" === this.readyState) { - this.readyState = "closing"; - if (this.writeBuffer.length) { - this.once("drain", () => { - if (this.upgrading) { - waitForUpgrade(); - } - else { - close(); - } - }); - } - else if (this.upgrading) { - waitForUpgrade(); - } - else { - close(); - } - } - return this; - } - /** - * Called upon transport error - * - * @private - */ - onError(err) { - Socket.priorWebsocketSuccess = false; - this.emitReserved("error", err); - this.onClose("transport error", err); - } - /** - * Called upon transport close. - * - * @private - */ - onClose(reason, description) { - if ("opening" === this.readyState || - "open" === this.readyState || - "closing" === this.readyState) { - // clear timers - this.clearTimeoutFn(this.pingTimeoutTimer); - // stop event from firing again for transport - this.transport.removeAllListeners("close"); - // ensure transport won't stay open - this.transport.close(); - // ignore further transport communication - this.transport.removeAllListeners(); - if (typeof removeEventListener === "function") { - removeEventListener("beforeunload", this.beforeunloadEventListener, false); - removeEventListener("offline", this.offlineEventListener, false); - } - // set ready state - this.readyState = "closed"; - // clear session id - this.id = null; - // emit close event - this.emitReserved("close", reason, description); - // clean buffers after, so users can still - // grab the buffers on `close` event - this.writeBuffer = []; - this.prevBufferLen = 0; - } - } - /** - * Filters upgrades, returning only those matching client transports. - * - * @param {Array} upgrades - server upgrades - * @private - */ - filterUpgrades(upgrades) { - const filteredUpgrades = []; - let i = 0; - const j = upgrades.length; - for (; i < j; i++) { - if (~this.transports.indexOf(upgrades[i])) - filteredUpgrades.push(upgrades[i]); - } - return filteredUpgrades; - } -} -Socket.protocol = protocol; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transport.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transport.d.ts deleted file mode 100644 index 6ef488b9..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transport.d.ts +++ /dev/null @@ -1,106 +0,0 @@ -import type { Packet, RawData } from "engine.io-parser"; -import { Emitter } from "@socket.io/component-emitter"; -import { SocketOptions } from "./socket.js"; -export declare class TransportError extends Error { - readonly description: any; - readonly context: any; - readonly type = "TransportError"; - constructor(reason: string, description: any, context: any); -} -export interface CloseDetails { - description: string; - context?: unknown; -} -interface TransportReservedEvents { - open: () => void; - error: (err: TransportError) => void; - packet: (packet: Packet) => void; - close: (details?: CloseDetails) => void; - poll: () => void; - pollComplete: () => void; - drain: () => void; -} -type TransportState = "opening" | "open" | "closed" | "pausing" | "paused"; -export declare abstract class Transport extends Emitter, Record, TransportReservedEvents> { - query: Record; - writable: boolean; - protected opts: SocketOptions; - protected supportsBinary: boolean; - protected readyState: TransportState; - protected socket: any; - protected setTimeoutFn: typeof setTimeout; - /** - * Transport abstract constructor. - * - * @param {Object} opts - options - * @protected - */ - constructor(opts: any); - /** - * Emits an error. - * - * @param {String} reason - * @param description - * @param context - the error context - * @return {Transport} for chaining - * @protected - */ - protected onError(reason: string, description: any, context?: any): this; - /** - * Opens the transport. - */ - open(): this; - /** - * Closes the transport. - */ - close(): this; - /** - * Sends multiple packets. - * - * @param {Array} packets - */ - send(packets: any): void; - /** - * Called upon open - * - * @protected - */ - protected onOpen(): void; - /** - * Called with data. - * - * @param {String} data - * @protected - */ - protected onData(data: RawData): void; - /** - * Called with a decoded packet. - * - * @protected - */ - protected onPacket(packet: Packet): void; - /** - * Called upon close. - * - * @protected - */ - protected onClose(details?: CloseDetails): void; - /** - * The name of the transport - */ - abstract get name(): string; - /** - * Pauses the transport, in order not to lose packets during an upgrade. - * - * @param onPause - */ - pause(onPause: () => void): void; - protected createUri(schema: string, query?: Record): string; - private _hostname; - private _port; - private _query; - protected abstract doOpen(): any; - protected abstract doClose(): any; - protected abstract write(packets: Packet[]): any; -} -export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transport.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transport.js deleted file mode 100644 index d0553658..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transport.js +++ /dev/null @@ -1,141 +0,0 @@ -import { decodePacket } from "engine.io-parser"; -import { Emitter } from "@socket.io/component-emitter"; -import { installTimerFunctions } from "./util.js"; -import { encode } from "./contrib/parseqs.js"; -export class TransportError extends Error { - constructor(reason, description, context) { - super(reason); - this.description = description; - this.context = context; - this.type = "TransportError"; - } -} -export class Transport extends Emitter { - /** - * Transport abstract constructor. - * - * @param {Object} opts - options - * @protected - */ - constructor(opts) { - super(); - this.writable = false; - installTimerFunctions(this, opts); - this.opts = opts; - this.query = opts.query; - this.socket = opts.socket; - } - /** - * Emits an error. - * - * @param {String} reason - * @param description - * @param context - the error context - * @return {Transport} for chaining - * @protected - */ - onError(reason, description, context) { - super.emitReserved("error", new TransportError(reason, description, context)); - return this; - } - /** - * Opens the transport. - */ - open() { - this.readyState = "opening"; - this.doOpen(); - return this; - } - /** - * Closes the transport. - */ - close() { - if (this.readyState === "opening" || this.readyState === "open") { - this.doClose(); - this.onClose(); - } - return this; - } - /** - * Sends multiple packets. - * - * @param {Array} packets - */ - send(packets) { - if (this.readyState === "open") { - this.write(packets); - } - else { - // this might happen if the transport was silently closed in the beforeunload event handler - } - } - /** - * Called upon open - * - * @protected - */ - onOpen() { - this.readyState = "open"; - this.writable = true; - super.emitReserved("open"); - } - /** - * Called with data. - * - * @param {String} data - * @protected - */ - onData(data) { - const packet = decodePacket(data, this.socket.binaryType); - this.onPacket(packet); - } - /** - * Called with a decoded packet. - * - * @protected - */ - onPacket(packet) { - super.emitReserved("packet", packet); - } - /** - * Called upon close. - * - * @protected - */ - onClose(details) { - this.readyState = "closed"; - super.emitReserved("close", details); - } - /** - * Pauses the transport, in order not to lose packets during an upgrade. - * - * @param onPause - */ - pause(onPause) { } - createUri(schema, query = {}) { - return (schema + - "://" + - this._hostname() + - this._port() + - this.opts.path + - this._query(query)); - } - _hostname() { - const hostname = this.opts.hostname; - return hostname.indexOf(":") === -1 ? hostname : "[" + hostname + "]"; - } - _port() { - if (this.opts.port && - ((this.opts.secure && Number(this.opts.port !== 443)) || - (!this.opts.secure && Number(this.opts.port) !== 80))) { - return ":" + this.opts.port; - } - else { - return ""; - } - } - _query(query) { - const encodedQuery = encode(query); - return encodedQuery.length ? "?" + encodedQuery : ""; - } -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/index.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/index.d.ts deleted file mode 100644 index 6617f8ce..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/index.d.ts +++ /dev/null @@ -1,8 +0,0 @@ -import { Polling } from "./polling.js"; -import { WS } from "./websocket.js"; -import { WT } from "./webtransport.js"; -export declare const transports: { - websocket: typeof WS; - webtransport: typeof WT; - polling: typeof Polling; -}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/index.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/index.js deleted file mode 100644 index c2d59409..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/index.js +++ /dev/null @@ -1,8 +0,0 @@ -import { Polling } from "./polling.js"; -import { WS } from "./websocket.js"; -import { WT } from "./webtransport.js"; -export const transports = { - websocket: WS, - webtransport: WT, - polling: Polling, -}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/polling.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/polling.d.ts deleted file mode 100644 index 176ce57a..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/polling.d.ts +++ /dev/null @@ -1,137 +0,0 @@ -import { Transport } from "../transport.js"; -import { RawData } from "engine.io-parser"; -import { Emitter } from "@socket.io/component-emitter"; -export declare class Polling extends Transport { - private readonly xd; - private polling; - private pollXhr; - private cookieJar?; - /** - * XHR Polling constructor. - * - * @param {Object} opts - * @package - */ - constructor(opts: any); - get name(): string; - /** - * Opens the socket (triggers polling). We write a PING message to determine - * when the transport is open. - * - * @protected - */ - doOpen(): void; - /** - * Pauses polling. - * - * @param {Function} onPause - callback upon buffers are flushed and transport is paused - * @package - */ - pause(onPause: any): void; - /** - * Starts polling cycle. - * - * @private - */ - poll(): void; - /** - * Overloads onData to detect payloads. - * - * @protected - */ - onData(data: any): void; - /** - * For polling, send a close packet. - * - * @protected - */ - doClose(): void; - /** - * Writes a packets payload. - * - * @param {Array} packets - data packets - * @protected - */ - write(packets: any): void; - /** - * Generates uri for connection. - * - * @private - */ - private uri; - /** - * Creates a request. - * - * @param {String} method - * @private - */ - request(opts?: {}): Request; - /** - * Sends data. - * - * @param {String} data to send. - * @param {Function} called upon flush. - * @private - */ - private doWrite; - /** - * Starts a poll cycle. - * - * @private - */ - private doPoll; -} -interface RequestReservedEvents { - success: () => void; - data: (data: RawData) => void; - error: (err: number | Error, context: unknown) => void; -} -export declare class Request extends Emitter<{}, {}, RequestReservedEvents> { - private readonly opts; - private readonly method; - private readonly uri; - private readonly data; - private xhr; - private setTimeoutFn; - private index; - static requestsCount: number; - static requests: {}; - /** - * Request constructor - * - * @param {Object} options - * @package - */ - constructor(uri: any, opts: any); - /** - * Creates the XHR object and sends the request. - * - * @private - */ - private create; - /** - * Called upon error. - * - * @private - */ - private onError; - /** - * Cleans up house. - * - * @private - */ - private cleanup; - /** - * Called upon load. - * - * @private - */ - private onLoad; - /** - * Aborts the request. - * - * @package - */ - abort(): void; -} -export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/polling.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/polling.js deleted file mode 100644 index dd07f156..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/polling.js +++ /dev/null @@ -1,390 +0,0 @@ -import { Transport } from "../transport.js"; -import { yeast } from "../contrib/yeast.js"; -import { encodePayload, decodePayload } from "engine.io-parser"; -import { createCookieJar, XHR as XMLHttpRequest, } from "./xmlhttprequest.js"; -import { Emitter } from "@socket.io/component-emitter"; -import { installTimerFunctions, pick } from "../util.js"; -import { globalThisShim as globalThis } from "../globalThis.js"; -function empty() { } -const hasXHR2 = (function () { - const xhr = new XMLHttpRequest({ - xdomain: false, - }); - return null != xhr.responseType; -})(); -export class Polling extends Transport { - /** - * XHR Polling constructor. - * - * @param {Object} opts - * @package - */ - constructor(opts) { - super(opts); - this.polling = false; - if (typeof location !== "undefined") { - const isSSL = "https:" === location.protocol; - let port = location.port; - // some user agents have empty `location.port` - if (!port) { - port = isSSL ? "443" : "80"; - } - this.xd = - (typeof location !== "undefined" && - opts.hostname !== location.hostname) || - port !== opts.port; - } - /** - * XHR supports binary - */ - const forceBase64 = opts && opts.forceBase64; - this.supportsBinary = hasXHR2 && !forceBase64; - if (this.opts.withCredentials) { - this.cookieJar = createCookieJar(); - } - } - get name() { - return "polling"; - } - /** - * Opens the socket (triggers polling). We write a PING message to determine - * when the transport is open. - * - * @protected - */ - doOpen() { - this.poll(); - } - /** - * Pauses polling. - * - * @param {Function} onPause - callback upon buffers are flushed and transport is paused - * @package - */ - pause(onPause) { - this.readyState = "pausing"; - const pause = () => { - this.readyState = "paused"; - onPause(); - }; - if (this.polling || !this.writable) { - let total = 0; - if (this.polling) { - total++; - this.once("pollComplete", function () { - --total || pause(); - }); - } - if (!this.writable) { - total++; - this.once("drain", function () { - --total || pause(); - }); - } - } - else { - pause(); - } - } - /** - * Starts polling cycle. - * - * @private - */ - poll() { - this.polling = true; - this.doPoll(); - this.emitReserved("poll"); - } - /** - * Overloads onData to detect payloads. - * - * @protected - */ - onData(data) { - const callback = (packet) => { - // if its the first message we consider the transport open - if ("opening" === this.readyState && packet.type === "open") { - this.onOpen(); - } - // if its a close packet, we close the ongoing requests - if ("close" === packet.type) { - this.onClose({ description: "transport closed by the server" }); - return false; - } - // otherwise bypass onData and handle the message - this.onPacket(packet); - }; - // decode payload - decodePayload(data, this.socket.binaryType).forEach(callback); - // if an event did not trigger closing - if ("closed" !== this.readyState) { - // if we got data we're not polling - this.polling = false; - this.emitReserved("pollComplete"); - if ("open" === this.readyState) { - this.poll(); - } - else { - } - } - } - /** - * For polling, send a close packet. - * - * @protected - */ - doClose() { - const close = () => { - this.write([{ type: "close" }]); - }; - if ("open" === this.readyState) { - close(); - } - else { - // in case we're trying to close while - // handshaking is in progress (GH-164) - this.once("open", close); - } - } - /** - * Writes a packets payload. - * - * @param {Array} packets - data packets - * @protected - */ - write(packets) { - this.writable = false; - encodePayload(packets, (data) => { - this.doWrite(data, () => { - this.writable = true; - this.emitReserved("drain"); - }); - }); - } - /** - * Generates uri for connection. - * - * @private - */ - uri() { - const schema = this.opts.secure ? "https" : "http"; - const query = this.query || {}; - // cache busting is forced - if (false !== this.opts.timestampRequests) { - query[this.opts.timestampParam] = yeast(); - } - if (!this.supportsBinary && !query.sid) { - query.b64 = 1; - } - return this.createUri(schema, query); - } - /** - * Creates a request. - * - * @param {String} method - * @private - */ - request(opts = {}) { - Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts); - return new Request(this.uri(), opts); - } - /** - * Sends data. - * - * @param {String} data to send. - * @param {Function} called upon flush. - * @private - */ - doWrite(data, fn) { - const req = this.request({ - method: "POST", - data: data, - }); - req.on("success", fn); - req.on("error", (xhrStatus, context) => { - this.onError("xhr post error", xhrStatus, context); - }); - } - /** - * Starts a poll cycle. - * - * @private - */ - doPoll() { - const req = this.request(); - req.on("data", this.onData.bind(this)); - req.on("error", (xhrStatus, context) => { - this.onError("xhr poll error", xhrStatus, context); - }); - this.pollXhr = req; - } -} -export class Request extends Emitter { - /** - * Request constructor - * - * @param {Object} options - * @package - */ - constructor(uri, opts) { - super(); - installTimerFunctions(this, opts); - this.opts = opts; - this.method = opts.method || "GET"; - this.uri = uri; - this.data = undefined !== opts.data ? opts.data : null; - this.create(); - } - /** - * Creates the XHR object and sends the request. - * - * @private - */ - create() { - var _a; - const opts = pick(this.opts, "agent", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "autoUnref"); - opts.xdomain = !!this.opts.xd; - const xhr = (this.xhr = new XMLHttpRequest(opts)); - try { - xhr.open(this.method, this.uri, true); - try { - if (this.opts.extraHeaders) { - xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true); - for (let i in this.opts.extraHeaders) { - if (this.opts.extraHeaders.hasOwnProperty(i)) { - xhr.setRequestHeader(i, this.opts.extraHeaders[i]); - } - } - } - } - catch (e) { } - if ("POST" === this.method) { - try { - xhr.setRequestHeader("Content-type", "text/plain;charset=UTF-8"); - } - catch (e) { } - } - try { - xhr.setRequestHeader("Accept", "*/*"); - } - catch (e) { } - (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr); - // ie6 check - if ("withCredentials" in xhr) { - xhr.withCredentials = this.opts.withCredentials; - } - if (this.opts.requestTimeout) { - xhr.timeout = this.opts.requestTimeout; - } - xhr.onreadystatechange = () => { - var _a; - if (xhr.readyState === 3) { - (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr); - } - if (4 !== xhr.readyState) - return; - if (200 === xhr.status || 1223 === xhr.status) { - this.onLoad(); - } - else { - // make sure the `error` event handler that's user-set - // does not throw in the same tick and gets caught here - this.setTimeoutFn(() => { - this.onError(typeof xhr.status === "number" ? xhr.status : 0); - }, 0); - } - }; - xhr.send(this.data); - } - catch (e) { - // Need to defer since .create() is called directly from the constructor - // and thus the 'error' event can only be only bound *after* this exception - // occurs. Therefore, also, we cannot throw here at all. - this.setTimeoutFn(() => { - this.onError(e); - }, 0); - return; - } - if (typeof document !== "undefined") { - this.index = Request.requestsCount++; - Request.requests[this.index] = this; - } - } - /** - * Called upon error. - * - * @private - */ - onError(err) { - this.emitReserved("error", err, this.xhr); - this.cleanup(true); - } - /** - * Cleans up house. - * - * @private - */ - cleanup(fromError) { - if ("undefined" === typeof this.xhr || null === this.xhr) { - return; - } - this.xhr.onreadystatechange = empty; - if (fromError) { - try { - this.xhr.abort(); - } - catch (e) { } - } - if (typeof document !== "undefined") { - delete Request.requests[this.index]; - } - this.xhr = null; - } - /** - * Called upon load. - * - * @private - */ - onLoad() { - const data = this.xhr.responseText; - if (data !== null) { - this.emitReserved("data", data); - this.emitReserved("success"); - this.cleanup(); - } - } - /** - * Aborts the request. - * - * @package - */ - abort() { - this.cleanup(); - } -} -Request.requestsCount = 0; -Request.requests = {}; -/** - * Aborts pending requests when unloading the window. This is needed to prevent - * memory leaks (e.g. when using IE) and to ensure that no spurious error is - * emitted. - */ -if (typeof document !== "undefined") { - // @ts-ignore - if (typeof attachEvent === "function") { - // @ts-ignore - attachEvent("onunload", unloadHandler); - } - else if (typeof addEventListener === "function") { - const terminationEvent = "onpagehide" in globalThis ? "pagehide" : "unload"; - addEventListener(terminationEvent, unloadHandler, false); - } -} -function unloadHandler() { - for (let i in Request.requests) { - if (Request.requests.hasOwnProperty(i)) { - Request.requests[i].abort(); - } - } -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.d.ts deleted file mode 100644 index 4f1b60e9..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.d.ts +++ /dev/null @@ -1,4 +0,0 @@ -export declare const nextTick: (cb: any, setTimeoutFn: any) => any; -export declare const WebSocket: any; -export declare const usingBrowserWebSocket = true; -export declare const defaultBinaryType = "arraybuffer"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.js deleted file mode 100644 index 481fae90..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.js +++ /dev/null @@ -1,13 +0,0 @@ -import { globalThisShim as globalThis } from "../globalThis.js"; -export const nextTick = (() => { - const isPromiseAvailable = typeof Promise === "function" && typeof Promise.resolve === "function"; - if (isPromiseAvailable) { - return (cb) => Promise.resolve().then(cb); - } - else { - return (cb, setTimeoutFn) => setTimeoutFn(cb, 0); - } -})(); -export const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket; -export const usingBrowserWebSocket = true; -export const defaultBinaryType = "arraybuffer"; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.d.ts deleted file mode 100644 index 55095005..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.d.ts +++ /dev/null @@ -1,4 +0,0 @@ -export declare const WebSocket: any; -export declare const usingBrowserWebSocket = false; -export declare const defaultBinaryType = "nodebuffer"; -export declare const nextTick: (callback: Function, ...args: any[]) => void; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.js deleted file mode 100644 index fd0f46eb..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket-constructor.js +++ /dev/null @@ -1,5 +0,0 @@ -import ws from "ws"; -export const WebSocket = ws; -export const usingBrowserWebSocket = false; -export const defaultBinaryType = "nodebuffer"; -export const nextTick = process.nextTick; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket.d.ts deleted file mode 100644 index 30dfe291..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket.d.ts +++ /dev/null @@ -1,34 +0,0 @@ -import { Transport } from "../transport.js"; -export declare class WS extends Transport { - private ws; - /** - * WebSocket transport constructor. - * - * @param {Object} opts - connection options - * @protected - */ - constructor(opts: any); - get name(): string; - doOpen(): this; - /** - * Adds event listeners to the socket - * - * @private - */ - private addEventListeners; - write(packets: any): void; - doClose(): void; - /** - * Generates uri for connection. - * - * @private - */ - private uri; - /** - * Feature detection for WebSocket. - * - * @return {Boolean} whether this transport is available. - * @private - */ - private check; -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket.js deleted file mode 100644 index a707f0a3..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/websocket.js +++ /dev/null @@ -1,152 +0,0 @@ -import { Transport } from "../transport.js"; -import { yeast } from "../contrib/yeast.js"; -import { pick } from "../util.js"; -import { nextTick, usingBrowserWebSocket, WebSocket, } from "./websocket-constructor.js"; -import { encodePacket } from "engine.io-parser"; -// detect ReactNative environment -const isReactNative = typeof navigator !== "undefined" && - typeof navigator.product === "string" && - navigator.product.toLowerCase() === "reactnative"; -export class WS extends Transport { - /** - * WebSocket transport constructor. - * - * @param {Object} opts - connection options - * @protected - */ - constructor(opts) { - super(opts); - this.supportsBinary = !opts.forceBase64; - } - get name() { - return "websocket"; - } - doOpen() { - if (!this.check()) { - // let probe timeout - return; - } - const uri = this.uri(); - const protocols = this.opts.protocols; - // React Native only supports the 'headers' option, and will print a warning if anything else is passed - const opts = isReactNative - ? {} - : pick(this.opts, "agent", "perMessageDeflate", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "localAddress", "protocolVersion", "origin", "maxPayload", "family", "checkServerIdentity"); - if (this.opts.extraHeaders) { - opts.headers = this.opts.extraHeaders; - } - try { - this.ws = - usingBrowserWebSocket && !isReactNative - ? protocols - ? new WebSocket(uri, protocols) - : new WebSocket(uri) - : new WebSocket(uri, protocols, opts); - } - catch (err) { - return this.emitReserved("error", err); - } - this.ws.binaryType = this.socket.binaryType; - this.addEventListeners(); - } - /** - * Adds event listeners to the socket - * - * @private - */ - addEventListeners() { - this.ws.onopen = () => { - if (this.opts.autoUnref) { - this.ws._socket.unref(); - } - this.onOpen(); - }; - this.ws.onclose = (closeEvent) => this.onClose({ - description: "websocket connection closed", - context: closeEvent, - }); - this.ws.onmessage = (ev) => this.onData(ev.data); - this.ws.onerror = (e) => this.onError("websocket error", e); - } - write(packets) { - this.writable = false; - // encodePacket efficient as it uses WS framing - // no need for encodePayload - for (let i = 0; i < packets.length; i++) { - const packet = packets[i]; - const lastPacket = i === packets.length - 1; - encodePacket(packet, this.supportsBinary, (data) => { - // always create a new object (GH-437) - const opts = {}; - if (!usingBrowserWebSocket) { - if (packet.options) { - opts.compress = packet.options.compress; - } - if (this.opts.perMessageDeflate) { - const len = - // @ts-ignore - "string" === typeof data ? Buffer.byteLength(data) : data.length; - if (len < this.opts.perMessageDeflate.threshold) { - opts.compress = false; - } - } - } - // Sometimes the websocket has already been closed but the browser didn't - // have a chance of informing us about it yet, in that case send will - // throw an error - try { - if (usingBrowserWebSocket) { - // TypeError is thrown when passing the second argument on Safari - this.ws.send(data); - } - else { - this.ws.send(data, opts); - } - } - catch (e) { - } - if (lastPacket) { - // fake drain - // defer to next tick to allow Socket to clear writeBuffer - nextTick(() => { - this.writable = true; - this.emitReserved("drain"); - }, this.setTimeoutFn); - } - }); - } - } - doClose() { - if (typeof this.ws !== "undefined") { - this.ws.close(); - this.ws = null; - } - } - /** - * Generates uri for connection. - * - * @private - */ - uri() { - const schema = this.opts.secure ? "wss" : "ws"; - const query = this.query || {}; - // append timestamp to URI - if (this.opts.timestampRequests) { - query[this.opts.timestampParam] = yeast(); - } - // communicate binary support capabilities - if (!this.supportsBinary) { - query.b64 = 1; - } - return this.createUri(schema, query); - } - /** - * Feature detection for WebSocket. - * - * @return {Boolean} whether this transport is available. - * @private - */ - check() { - return !!WebSocket; - } -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/webtransport.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/webtransport.d.ts deleted file mode 100644 index 093d6605..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/webtransport.d.ts +++ /dev/null @@ -1,10 +0,0 @@ -import { Transport } from "../transport.js"; -import { Packet } from "engine.io-parser"; -export declare class WT extends Transport { - private transport; - private writer; - get name(): string; - protected doOpen(): void; - protected write(packets: Packet[]): void; - protected doClose(): void; -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/webtransport.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/webtransport.js deleted file mode 100644 index c64b1f36..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/webtransport.js +++ /dev/null @@ -1,71 +0,0 @@ -import { Transport } from "../transport.js"; -import { nextTick } from "./websocket-constructor.js"; -import { createPacketDecoderStream, createPacketEncoderStream, } from "engine.io-parser"; -export class WT extends Transport { - get name() { - return "webtransport"; - } - doOpen() { - // @ts-ignore - if (typeof WebTransport !== "function") { - return; - } - // @ts-ignore - this.transport = new WebTransport(this.createUri("https"), this.opts.transportOptions[this.name]); - this.transport.closed - .then(() => { - this.onClose(); - }) - .catch((err) => { - this.onError("webtransport error", err); - }); - // note: we could have used async/await, but that would require some additional polyfills - this.transport.ready.then(() => { - this.transport.createBidirectionalStream().then((stream) => { - const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType); - const reader = stream.readable.pipeThrough(decoderStream).getReader(); - const encoderStream = createPacketEncoderStream(); - encoderStream.readable.pipeTo(stream.writable); - this.writer = encoderStream.writable.getWriter(); - const read = () => { - reader - .read() - .then(({ done, value }) => { - if (done) { - return; - } - this.onPacket(value); - read(); - }) - .catch((err) => { - }); - }; - read(); - const packet = { type: "open" }; - if (this.query.sid) { - packet.data = `{"sid":"${this.query.sid}"}`; - } - this.writer.write(packet).then(() => this.onOpen()); - }); - }); - } - write(packets) { - this.writable = false; - for (let i = 0; i < packets.length; i++) { - const packet = packets[i]; - const lastPacket = i === packets.length - 1; - this.writer.write(packet).then(() => { - if (lastPacket) { - nextTick(() => { - this.writable = true; - this.emitReserved("drain"); - }, this.setTimeoutFn); - } - }); - } - } - doClose() { - var _a; - (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close(); - } -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.d.ts deleted file mode 100644 index cb475422..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.d.ts +++ /dev/null @@ -1,2 +0,0 @@ -export declare function XHR(opts: any): any; -export declare function createCookieJar(): void; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.js deleted file mode 100644 index 8c54fc86..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.js +++ /dev/null @@ -1,20 +0,0 @@ -// browser shim for xmlhttprequest module -import { hasCORS } from "../contrib/has-cors.js"; -import { globalThisShim as globalThis } from "../globalThis.js"; -export function XHR(opts) { - const xdomain = opts.xdomain; - // XMLHttpRequest can be disabled on IE - try { - if ("undefined" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) { - return new XMLHttpRequest(); - } - } - catch (e) { } - if (!xdomain) { - try { - return new globalThis[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP"); - } - catch (e) { } - } -} -export function createCookieJar() { } diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.d.ts deleted file mode 100644 index f2af011a..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.d.ts +++ /dev/null @@ -1,17 +0,0 @@ -export declare const XHR: any; -export declare function createCookieJar(): CookieJar; -interface Cookie { - name: string; - value: string; - expires?: Date; -} -/** - * @see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie - */ -export declare function parse(setCookieString: string): Cookie; -export declare class CookieJar { - private cookies; - parseCookies(xhr: any): void; - addCookies(xhr: any): void; -} -export {}; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.js deleted file mode 100644 index 590c2680..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/transports/xmlhttprequest.js +++ /dev/null @@ -1,82 +0,0 @@ -import * as XMLHttpRequestModule from "xmlhttprequest-ssl"; -export const XHR = XMLHttpRequestModule.default || XMLHttpRequestModule; -export function createCookieJar() { - return new CookieJar(); -} -/** - * @see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie - */ -export function parse(setCookieString) { - const parts = setCookieString.split("; "); - const i = parts[0].indexOf("="); - if (i === -1) { - return; - } - const name = parts[0].substring(0, i).trim(); - if (!name.length) { - return; - } - let value = parts[0].substring(i + 1).trim(); - if (value.charCodeAt(0) === 0x22) { - // remove double quotes - value = value.slice(1, -1); - } - const cookie = { - name, - value, - }; - for (let j = 1; j < parts.length; j++) { - const subParts = parts[j].split("="); - if (subParts.length !== 2) { - continue; - } - const key = subParts[0].trim(); - const value = subParts[1].trim(); - switch (key) { - case "Expires": - cookie.expires = new Date(value); - break; - case "Max-Age": - const expiration = new Date(); - expiration.setUTCSeconds(expiration.getUTCSeconds() + parseInt(value, 10)); - cookie.expires = expiration; - break; - default: - // ignore other keys - } - } - return cookie; -} -export class CookieJar { - constructor() { - this.cookies = new Map(); - } - parseCookies(xhr) { - const values = xhr.getResponseHeader("set-cookie"); - if (!values) { - return; - } - values.forEach((value) => { - const parsed = parse(value); - if (parsed) { - this.cookies.set(parsed.name, parsed); - } - }); - } - addCookies(xhr) { - const cookies = []; - this.cookies.forEach((cookie, name) => { - var _a; - if (((_a = cookie.expires) === null || _a === void 0 ? void 0 : _a.getTime()) < Date.now()) { - this.cookies.delete(name); - } - else { - cookies.push(`${name}=${cookie.value}`); - } - }); - if (cookies.length) { - xhr.setDisableHeaderCheck(true); - xhr.setRequestHeader("cookie", cookies.join("; ")); - } - } -} diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/util.d.ts b/examples/axum-echo/node_modules/engine.io-client/build/esm/util.d.ts deleted file mode 100644 index 5921b7b7..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/util.d.ts +++ /dev/null @@ -1,3 +0,0 @@ -export declare function pick(obj: any, ...attr: any[]): any; -export declare function installTimerFunctions(obj: any, opts: any): void; -export declare function byteLength(obj: any): number; diff --git a/examples/axum-echo/node_modules/engine.io-client/build/esm/util.js b/examples/axum-echo/node_modules/engine.io-client/build/esm/util.js deleted file mode 100644 index 243af585..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/build/esm/util.js +++ /dev/null @@ -1,52 +0,0 @@ -import { globalThisShim as globalThis } from "./globalThis.js"; -export function pick(obj, ...attr) { - return attr.reduce((acc, k) => { - if (obj.hasOwnProperty(k)) { - acc[k] = obj[k]; - } - return acc; - }, {}); -} -// Keep a reference to the real timeout functions so they can be used when overridden -const NATIVE_SET_TIMEOUT = globalThis.setTimeout; -const NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout; -export function installTimerFunctions(obj, opts) { - if (opts.useNativeTimers) { - obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis); - obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis); - } - else { - obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis); - obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis); - } -} -// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64) -const BASE64_OVERHEAD = 1.33; -// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9 -export function byteLength(obj) { - if (typeof obj === "string") { - return utf8Length(obj); - } - // arraybuffer or blob - return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD); -} -function utf8Length(str) { - let c = 0, length = 0; - for (let i = 0, l = str.length; i < l; i++) { - c = str.charCodeAt(i); - if (c < 0x80) { - length += 1; - } - else if (c < 0x800) { - length += 2; - } - else if (c < 0xd800 || c >= 0xe000) { - length += 3; - } - else { - i++; - length += 4; - } - } - return length; -} diff --git a/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.esm.min.js b/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.esm.min.js deleted file mode 100644 index 98f9619e..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.esm.min.js +++ /dev/null @@ -1,7 +0,0 @@ -/*! - * Engine.IO v6.5.3 - * (c) 2014-2023 Guillermo Rauch - * Released under the MIT License. - */ -const t=Object.create(null);t.open="0",t.close="1",t.ping="2",t.pong="3",t.message="4",t.upgrade="5",t.noop="6";const 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location){const e="https:"===location.protocol;let s=location.port;s||(s=e?"443":"80"),this.xd="undefined"!=typeof location&&t.hostname!==location.hostname||s!==t.port}const e=t&&t.forceBase64;this.supportsBinary=I&&!e,this.opts.withCredentials&&(this.cookieJar=void 0)}get name(){return"polling"}doOpen(){this.poll()}pause(t){this.readyState="pausing";const e=()=>{this.readyState="paused",t()};if(this.polling||!this.writable){let t=0;this.polling&&(t++,this.once("pollComplete",(function(){--t||e()}))),this.writable||(t++,this.once("drain",(function(){--t||e()})))}else e()}poll(){this.polling=!0,this.doPoll(),this.emitReserved("poll")}onData(t){((t,e)=>{const s=t.split(g),r=[];for(let t=0;t{if("opening"===this.readyState&&"open"===t.type&&this.onOpen(),"close"===t.type)return this.onClose({description:"transport closed by the server"}),!1;this.onPacket(t)})),"closed"!==this.readyState&&(this.polling=!1,this.emitReserved("pollComplete"),"open"===this.readyState&&this.poll())}doClose(){const t=()=>{this.write([{type:"close"}])};"open"===this.readyState?t():this.once("open",t)}write(t){this.writable=!1,((t,e)=>{const s=t.length,r=new Array(s);let i=0;t.forEach(((t,o)=>{n(t,!1,(t=>{r[o]=t,++i===s&&e(r.join(g))}))}))})(t,(t=>{this.doWrite(t,(()=>{this.writable=!0,this.emitReserved("drain")}))}))}uri(){const t=this.opts.secure?"https":"http",e=this.query||{};return!1!==this.opts.timestampRequests&&(e[this.opts.timestampParam]=_()),this.supportsBinary||e.sid||(e.b64=1),this.createUri(t,e)}request(t={}){return Object.assign(t,{xd:this.xd,cookieJar:this.cookieJar},this.opts),new M(this.uri(),t)}doWrite(t,e){const s=this.request({method:"POST",data:t});s.on("success",e),s.on("error",((t,e)=>{this.onError("xhr post error",t,e)}))}doPoll(){const t=this.request();t.on("data",this.onData.bind(this)),t.on("error",((t,e)=>{this.onError("xhr poll error",t,e)})),this.pollXhr=t}}},J=/^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,z=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];function G(t){if(t.length>2e3)throw"URI too long";const e=t,s=t.indexOf("["),r=t.indexOf("]");-1!=s&&-1!=r&&(t=t.substring(0,s)+t.substring(s,r).replace(/:/g,";")+t.substring(r,t.length));let i=J.exec(t||""),o={},n=14;for(;n--;)o[z[n]]=i[n]||"";return-1!=s&&-1!=r&&(o.source=e,o.host=o.host.substring(1,o.host.length-1).replace(/;/g,":"),o.authority=o.authority.replace("[","").replace("]","").replace(/;/g,":"),o.ipv6uri=!0),o.pathNames=function(t,e){const s=/\/{2,9}/g,r=e.replace(s,"/").split("/");"/"!=e.slice(0,1)&&0!==e.length||r.splice(0,1);"/"==e.slice(-1)&&r.splice(r.length-1,1);return r}(0,o.path),o.queryKey=function(t,e){const s={};return e.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,(function(t,e,r){e&&(s[e]=r)})),s}(0,o.query),o}class K extends k{constructor(t,e={}){super(),this.binaryType="arraybuffer",this.writeBuffer=[],t&&"object"==typeof t&&(e=t,t=null),t?(t=G(t),e.hostname=t.host,e.secure="https"===t.protocol||"wss"===t.protocol,e.port=t.port,t.query&&(e.query=t.query)):e.host&&(e.hostname=G(e.host).host),R(this,e),this.secure=null!=e.secure?e.secure:"undefined"!=typeof location&&"https:"===location.protocol,e.hostname&&!e.port&&(e.port=this.secure?"443":"80"),this.hostname=e.hostname||("undefined"!=typeof location?location.hostname:"localhost"),this.port=e.port||("undefined"!=typeof location&&location.port?location.port:this.secure?"443":"80"),this.transports=e.transports||["polling","websocket","webtransport"],this.writeBuffer=[],this.prevBufferLen=0,this.opts=Object.assign({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,addTrailingSlash:!0,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!1},e),this.opts.path=this.opts.path.replace(/\/$/,"")+(this.opts.addTrailingSlash?"/":""),"string"==typeof this.opts.query&&(this.opts.query=function(t){let e={},s=t.split("&");for(let t=0,r=s.length;t{this.transport&&(this.transport.removeAllListeners(),this.transport.close())},addEventListener("beforeunload",this.beforeunloadEventListener,!1)),"localhost"!==this.hostname&&(this.offlineEventListener=()=>{this.onClose("transport close",{description:"network connection lost"})},addEventListener("offline",this.offlineEventListener,!1))),this.open()}createTransport(t){const e=Object.assign({},this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);const s=Object.assign({},this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port},this.opts.transportOptions[t]);return new $[t](s)}open(){let t;if(this.opts.rememberUpgrade&&K.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((()=>{this.emitReserved("error","No transports available")}),0);t=this.transports[0]}this.readyState="opening";try{t=this.createTransport(t)}catch(t){return this.transports.shift(),void this.open()}t.open(),this.setTransport(t)}setTransport(t){this.transport&&this.transport.removeAllListeners(),this.transport=t,t.on("drain",this.onDrain.bind(this)).on("packet",this.onPacket.bind(this)).on("error",this.onError.bind(this)).on("close",(t=>this.onClose("transport close",t)))}probe(t){let e=this.createTransport(t),s=!1;K.priorWebsocketSuccess=!1;const r=()=>{s||(e.send([{type:"ping",data:"probe"}]),e.once("packet",(t=>{if(!s)if("pong"===t.type&&"probe"===t.data){if(this.upgrading=!0,this.emitReserved("upgrading",e),!e)return;K.priorWebsocketSuccess="websocket"===e.name,this.transport.pause((()=>{s||"closed"!==this.readyState&&(c(),this.setTransport(e),e.send([{type:"upgrade"}]),this.emitReserved("upgrade",e),e=null,this.upgrading=!1,this.flush())}))}else{const t=new Error("probe error");t.transport=e.name,this.emitReserved("upgradeError",t)}})))};function i(){s||(s=!0,c(),e.close(),e=null)}const o=t=>{const s=new Error("probe error: "+t);s.transport=e.name,i(),this.emitReserved("upgradeError",s)};function n(){o("transport closed")}function a(){o("socket closed")}function h(t){e&&t.name!==e.name&&i()}const c=()=>{e.removeListener("open",r),e.removeListener("error",o),e.removeListener("close",n),this.off("close",a),this.off("upgrading",h)};e.once("open",r),e.once("error",o),e.once("close",n),this.once("close",a),this.once("upgrading",h),-1!==this.upgrades.indexOf("webtransport")&&"webtransport"!==t?this.setTimeoutFn((()=>{s||e.open()}),200):e.open()}onOpen(){if(this.readyState="open",K.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade){let t=0;const e=this.upgrades.length;for(;t{this.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}onDrain(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}flush(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){const t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}getWritablePackets(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;let t=1;for(let s=0;s=57344?s+=3:(r++,s+=4);return s}(e):Math.ceil(1.33*(e.byteLength||e.size))),s>0&&t>this.maxPayload)return this.writeBuffer.slice(0,s);t+=2}var e;return this.writeBuffer}write(t,e,s){return this.sendPacket("message",t,e,s),this}send(t,e,s){return this.sendPacket("message",t,e,s),this}sendPacket(t,e,s,r){if("function"==typeof e&&(r=e,e=void 0),"function"==typeof s&&(r=s,s=null),"closing"===this.readyState||"closed"===this.readyState)return;(s=s||{}).compress=!1!==s.compress;const i={type:t,data:e,options:s};this.emitReserved("packetCreate",i),this.writeBuffer.push(i),r&&this.once("flush",r),this.flush()}close(){const t=()=>{this.onClose("forced close"),this.transport.close()},e=()=>{this.off("upgrade",e),this.off("upgradeError",e),t()},s=()=>{this.once("upgrade",e),this.once("upgradeError",e)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(()=>{this.upgrading?s():t()})):this.upgrading?s():t()),this}onError(t){K.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}onClose(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),"function"==typeof removeEventListener&&(removeEventListener("beforeunload",this.beforeunloadEventListener,!1),removeEventListener("offline",this.offlineEventListener,!1)),this.readyState="closed",this.id=null,this.emitReserved("close",t,e),this.writeBuffer=[],this.prevBufferLen=0)}filterUpgrades(t){const e=[];let s=0;const r=t.length;for(;s {\n PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;\n});\nconst ERROR_PACKET = { type: \"error\", data: \"parser error\" };\nexport { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET };\n","import { PACKET_TYPES } from \"./commons.js\";\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n Object.prototype.toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\n// ArrayBuffer.isView method is not defined in IE10\nconst isView = obj => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj && obj.buffer instanceof ArrayBuffer;\n};\nconst encodePacket = ({ type, data }, supportsBinary, callback) => {\n if (withNativeBlob && data instanceof Blob) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(data, callback);\n }\n }\n else if (withNativeArrayBuffer &&\n (data instanceof ArrayBuffer || isView(data))) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(new Blob([data]), callback);\n }\n }\n // plain string\n return callback(PACKET_TYPES[type] + (data || \"\"));\n};\nconst encodeBlobAsBase64 = (data, callback) => {\n const fileReader = new FileReader();\n fileReader.onload = function () {\n const content = fileReader.result.split(\",\")[1];\n callback(\"b\" + (content || \"\"));\n };\n return fileReader.readAsDataURL(data);\n};\nfunction toArray(data) {\n if (data instanceof Uint8Array) {\n return data;\n }\n else if (data instanceof ArrayBuffer) {\n return new Uint8Array(data);\n }\n else {\n return new Uint8Array(data.buffer, data.byteOffset, data.byteLength);\n }\n}\nlet TEXT_ENCODER;\nexport function encodePacketToBinary(packet, callback) {\n if (withNativeBlob && packet.data instanceof Blob) {\n return packet.data\n .arrayBuffer()\n .then(toArray)\n .then(callback);\n }\n else if (withNativeArrayBuffer &&\n (packet.data instanceof ArrayBuffer || isView(packet.data))) {\n return callback(toArray(packet.data));\n }\n encodePacket(packet, false, encoded => {\n if (!TEXT_ENCODER) {\n TEXT_ENCODER = new TextEncoder();\n }\n callback(TEXT_ENCODER.encode(encoded));\n });\n}\nexport { encodePacket };\n","// imported from https://github.com/socketio/base64-arraybuffer\nconst chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\n// Use a lookup table to find the index.\nconst lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256);\nfor (let i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n}\nexport const encode = (arraybuffer) => {\n let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = '';\n for (i = 0; i < len; i += 3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n if (len % 3 === 2) {\n base64 = base64.substring(0, base64.length - 1) + '=';\n }\n else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + '==';\n }\n return base64;\n};\nexport const decode = (base64) => {\n let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;\n if (base64[base64.length - 1] === '=') {\n bufferLength--;\n if (base64[base64.length - 2] === '=') {\n bufferLength--;\n }\n }\n const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);\n for (i = 0; i < len; i += 4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i + 1)];\n encoded3 = lookup[base64.charCodeAt(i + 2)];\n encoded4 = lookup[base64.charCodeAt(i + 3)];\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n return arraybuffer;\n};\n","import { ERROR_PACKET, PACKET_TYPES_REVERSE } from \"./commons.js\";\nimport { decode } from \"./contrib/base64-arraybuffer.js\";\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nexport const decodePacket = (encodedPacket, binaryType) => {\n if (typeof encodedPacket !== \"string\") {\n return {\n type: \"message\",\n data: mapBinary(encodedPacket, binaryType)\n };\n }\n const type = encodedPacket.charAt(0);\n if (type === \"b\") {\n return {\n type: \"message\",\n data: decodeBase64Packet(encodedPacket.substring(1), binaryType)\n };\n }\n const packetType = PACKET_TYPES_REVERSE[type];\n if (!packetType) {\n return ERROR_PACKET;\n }\n return encodedPacket.length > 1\n ? {\n type: PACKET_TYPES_REVERSE[type],\n data: encodedPacket.substring(1)\n }\n : {\n type: PACKET_TYPES_REVERSE[type]\n };\n};\nconst decodeBase64Packet = (data, binaryType) => {\n if (withNativeArrayBuffer) {\n const decoded = decode(data);\n return mapBinary(decoded, binaryType);\n }\n else {\n return { base64: true, data }; // fallback for old browsers\n }\n};\nconst mapBinary = (data, binaryType) => {\n switch (binaryType) {\n case \"blob\":\n if (data instanceof Blob) {\n // from WebSocket + binaryType \"blob\"\n return data;\n }\n else {\n // from HTTP long-polling or WebTransport\n return new Blob([data]);\n }\n case \"arraybuffer\":\n default:\n if (data instanceof ArrayBuffer) {\n // from HTTP long-polling (base64) or WebSocket + binaryType \"arraybuffer\"\n return data;\n }\n else {\n // from WebTransport (Uint8Array)\n return data.buffer;\n }\n }\n};\n","import { encodePacket, encodePacketToBinary } from \"./encodePacket.js\";\nimport { decodePacket } from \"./decodePacket.js\";\nimport { ERROR_PACKET } from \"./commons.js\";\nconst SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text\nconst encodePayload = (packets, callback) => {\n // some packets may be added to the array while encoding, so the initial length must be saved\n const length = packets.length;\n const encodedPackets = new Array(length);\n let count = 0;\n packets.forEach((packet, i) => {\n // force base64 encoding for binary packets\n encodePacket(packet, false, encodedPacket => {\n encodedPackets[i] = encodedPacket;\n if (++count === length) {\n callback(encodedPackets.join(SEPARATOR));\n }\n });\n });\n};\nconst decodePayload = (encodedPayload, binaryType) => {\n const encodedPackets = encodedPayload.split(SEPARATOR);\n const packets = [];\n for (let i = 0; i < encodedPackets.length; i++) {\n const decodedPacket = decodePacket(encodedPackets[i], binaryType);\n packets.push(decodedPacket);\n if (decodedPacket.type === \"error\") {\n break;\n }\n }\n return packets;\n};\nexport function createPacketEncoderStream() {\n return new TransformStream({\n transform(packet, controller) {\n encodePacketToBinary(packet, encodedPacket => {\n const payloadLength = encodedPacket.length;\n let header;\n // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length\n if (payloadLength < 126) {\n header = new Uint8Array(1);\n new DataView(header.buffer).setUint8(0, payloadLength);\n }\n else if (payloadLength < 65536) {\n header = new Uint8Array(3);\n const view = new DataView(header.buffer);\n view.setUint8(0, 126);\n view.setUint16(1, payloadLength);\n }\n else {\n header = new Uint8Array(9);\n const view = new DataView(header.buffer);\n view.setUint8(0, 127);\n view.setBigUint64(1, BigInt(payloadLength));\n }\n // first bit indicates whether the payload is plain text (0) or binary (1)\n if (packet.data && typeof packet.data !== \"string\") {\n header[0] |= 0x80;\n }\n controller.enqueue(header);\n controller.enqueue(encodedPacket);\n });\n }\n });\n}\nlet TEXT_DECODER;\nfunction totalLength(chunks) {\n return chunks.reduce((acc, chunk) => acc + chunk.length, 0);\n}\nfunction concatChunks(chunks, size) {\n if (chunks[0].length === size) {\n return chunks.shift();\n }\n const buffer = new Uint8Array(size);\n let j = 0;\n for (let i = 0; i < size; i++) {\n buffer[i] = chunks[0][j++];\n if (j === chunks[0].length) {\n chunks.shift();\n j = 0;\n }\n }\n if (chunks.length && j < chunks[0].length) {\n chunks[0] = chunks[0].slice(j);\n }\n return buffer;\n}\nexport function createPacketDecoderStream(maxPayload, binaryType) {\n if (!TEXT_DECODER) {\n TEXT_DECODER = new TextDecoder();\n }\n const chunks = [];\n let state = 0 /* READ_HEADER */;\n let expectedLength = -1;\n let isBinary = false;\n return new TransformStream({\n transform(chunk, controller) {\n chunks.push(chunk);\n while (true) {\n if (state === 0 /* READ_HEADER */) {\n if (totalLength(chunks) < 1) {\n break;\n }\n const header = concatChunks(chunks, 1);\n isBinary = (header[0] & 0x80) === 0x80;\n expectedLength = header[0] & 0x7f;\n if (expectedLength < 126) {\n state = 3 /* READ_PAYLOAD */;\n }\n else if (expectedLength === 126) {\n state = 1 /* READ_EXTENDED_LENGTH_16 */;\n }\n else {\n state = 2 /* READ_EXTENDED_LENGTH_64 */;\n }\n }\n else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) {\n if (totalLength(chunks) < 2) {\n break;\n }\n const headerArray = concatChunks(chunks, 2);\n expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0);\n state = 3 /* READ_PAYLOAD */;\n }\n else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) {\n if (totalLength(chunks) < 8) {\n break;\n }\n const headerArray = concatChunks(chunks, 8);\n const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length);\n const n = view.getUint32(0);\n if (n > Math.pow(2, 53 - 32) - 1) {\n // the maximum safe integer in JavaScript is 2^53 - 1\n controller.enqueue(ERROR_PACKET);\n break;\n }\n expectedLength = n * Math.pow(2, 32) + view.getUint32(4);\n state = 3 /* READ_PAYLOAD */;\n }\n else {\n if (totalLength(chunks) < expectedLength) {\n break;\n }\n const data = concatChunks(chunks, expectedLength);\n controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType));\n state = 0 /* READ_HEADER */;\n }\n if (expectedLength === 0 || expectedLength > maxPayload) {\n controller.enqueue(ERROR_PACKET);\n break;\n }\n }\n }\n });\n}\nexport const protocol = 4;\nexport { encodePacket, encodePayload, decodePacket, decodePayload };\n","/**\n * Initialize a new `Emitter`.\n *\n * @api public\n */\n\nexport function Emitter(obj) {\n if (obj) return mixin(obj);\n}\n\n/**\n * Mixin the emitter properties.\n *\n * @param {Object} obj\n * @return {Object}\n * @api private\n */\n\nfunction mixin(obj) {\n for (var key in Emitter.prototype) {\n obj[key] = Emitter.prototype[key];\n }\n return obj;\n}\n\n/**\n * Listen on the given `event` with `fn`.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.on =\nEmitter.prototype.addEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\n .push(fn);\n return this;\n};\n\n/**\n * Adds an `event` listener that will be invoked a single\n * time then automatically removed.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.once = function(event, fn){\n function on() {\n this.off(event, on);\n fn.apply(this, arguments);\n }\n\n on.fn = fn;\n this.on(event, on);\n return this;\n};\n\n/**\n * Remove the given callback for `event` or all\n * registered callbacks.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.off =\nEmitter.prototype.removeListener =\nEmitter.prototype.removeAllListeners =\nEmitter.prototype.removeEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n\n // all\n if (0 == arguments.length) {\n this._callbacks = {};\n return this;\n }\n\n // specific event\n var callbacks = this._callbacks['$' + event];\n if (!callbacks) return this;\n\n // remove all handlers\n if (1 == arguments.length) {\n delete this._callbacks['$' + event];\n return this;\n }\n\n // remove specific handler\n var cb;\n for (var i = 0; i < callbacks.length; i++) {\n cb = callbacks[i];\n if (cb === fn || cb.fn === fn) {\n callbacks.splice(i, 1);\n break;\n }\n }\n\n // Remove event specific arrays for event types that no\n // one is subscribed for to avoid memory leak.\n if (callbacks.length === 0) {\n delete this._callbacks['$' + event];\n }\n\n return this;\n};\n\n/**\n * Emit `event` with the given args.\n *\n * @param {String} event\n * @param {Mixed} ...\n * @return {Emitter}\n */\n\nEmitter.prototype.emit = function(event){\n this._callbacks = this._callbacks || {};\n\n var args = new Array(arguments.length - 1)\n , callbacks = this._callbacks['$' + event];\n\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n\n if (callbacks) {\n callbacks = callbacks.slice(0);\n for (var i = 0, len = callbacks.length; i < len; ++i) {\n callbacks[i].apply(this, args);\n }\n }\n\n return this;\n};\n\n// alias used for reserved events (protected method)\nEmitter.prototype.emitReserved = Emitter.prototype.emit;\n\n/**\n * Return array of callbacks for `event`.\n *\n * @param {String} event\n * @return {Array}\n * @api public\n */\n\nEmitter.prototype.listeners = function(event){\n this._callbacks = this._callbacks || {};\n return this._callbacks['$' + event] || [];\n};\n\n/**\n * Check if this emitter has `event` handlers.\n *\n * @param {String} event\n * @return {Boolean}\n * @api public\n */\n\nEmitter.prototype.hasListeners = function(event){\n return !! this.listeners(event).length;\n};\n","export const globalThisShim = (() => {\n if (typeof self !== \"undefined\") {\n return self;\n }\n else if (typeof window !== \"undefined\") {\n return window;\n }\n else {\n return Function(\"return this\")();\n }\n})();\n","import { globalThisShim as globalThis } from \"./globalThis.js\";\nexport function pick(obj, ...attr) {\n return attr.reduce((acc, k) => {\n if (obj.hasOwnProperty(k)) {\n acc[k] = obj[k];\n }\n return acc;\n }, {});\n}\n// Keep a reference to the real timeout functions so they can be used when overridden\nconst NATIVE_SET_TIMEOUT = globalThis.setTimeout;\nconst NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout;\nexport function installTimerFunctions(obj, opts) {\n if (opts.useNativeTimers) {\n obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis);\n obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis);\n }\n else {\n obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis);\n obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis);\n }\n}\n// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64)\nconst BASE64_OVERHEAD = 1.33;\n// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9\nexport function byteLength(obj) {\n if (typeof obj === \"string\") {\n return utf8Length(obj);\n }\n // arraybuffer or blob\n return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD);\n}\nfunction utf8Length(str) {\n let c = 0, length = 0;\n for (let i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n length += 1;\n }\n else if (c < 0x800) {\n length += 2;\n }\n else if (c < 0xd800 || c >= 0xe000) {\n length += 3;\n }\n else {\n i++;\n length += 4;\n }\n }\n return length;\n}\n","import { decodePacket } from \"engine.io-parser\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions } from \"./util.js\";\nimport { encode } from \"./contrib/parseqs.js\";\nexport class TransportError extends Error {\n constructor(reason, description, context) {\n super(reason);\n this.description = description;\n this.context = context;\n this.type = \"TransportError\";\n }\n}\nexport class Transport extends Emitter {\n /**\n * Transport abstract constructor.\n *\n * @param {Object} opts - options\n * @protected\n */\n constructor(opts) {\n super();\n this.writable = false;\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.query = opts.query;\n this.socket = opts.socket;\n }\n /**\n * Emits an error.\n *\n * @param {String} reason\n * @param description\n * @param context - the error context\n * @return {Transport} for chaining\n * @protected\n */\n onError(reason, description, context) {\n super.emitReserved(\"error\", new TransportError(reason, description, context));\n return this;\n }\n /**\n * Opens the transport.\n */\n open() {\n this.readyState = \"opening\";\n this.doOpen();\n return this;\n }\n /**\n * Closes the transport.\n */\n close() {\n if (this.readyState === \"opening\" || this.readyState === \"open\") {\n this.doClose();\n this.onClose();\n }\n return this;\n }\n /**\n * Sends multiple packets.\n *\n * @param {Array} packets\n */\n send(packets) {\n if (this.readyState === \"open\") {\n this.write(packets);\n }\n else {\n // this might happen if the transport was silently closed in the beforeunload event handler\n }\n }\n /**\n * Called upon open\n *\n * @protected\n */\n onOpen() {\n this.readyState = \"open\";\n this.writable = true;\n super.emitReserved(\"open\");\n }\n /**\n * Called with data.\n *\n * @param {String} data\n * @protected\n */\n onData(data) {\n const packet = decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n }\n /**\n * Called with a decoded packet.\n *\n * @protected\n */\n onPacket(packet) {\n super.emitReserved(\"packet\", packet);\n }\n /**\n * Called upon close.\n *\n * @protected\n */\n onClose(details) {\n this.readyState = \"closed\";\n super.emitReserved(\"close\", details);\n }\n /**\n * Pauses the transport, in order not to lose packets during an upgrade.\n *\n * @param onPause\n */\n pause(onPause) { }\n createUri(schema, query = {}) {\n return (schema +\n \"://\" +\n this._hostname() +\n this._port() +\n this.opts.path +\n this._query(query));\n }\n _hostname() {\n const hostname = this.opts.hostname;\n return hostname.indexOf(\":\") === -1 ? hostname : \"[\" + hostname + \"]\";\n }\n _port() {\n if (this.opts.port &&\n ((this.opts.secure && Number(this.opts.port !== 443)) ||\n (!this.opts.secure && Number(this.opts.port) !== 80))) {\n return \":\" + this.opts.port;\n }\n else {\n return \"\";\n }\n }\n _query(query) {\n const encodedQuery = encode(query);\n return encodedQuery.length ? \"?\" + encodedQuery : \"\";\n }\n}\n","// imported from https://github.com/galkn/querystring\n/**\n * Compiles a querystring\n * Returns string representation of the object\n *\n * @param {Object}\n * @api private\n */\nexport function encode(obj) {\n let str = '';\n for (let i in obj) {\n if (obj.hasOwnProperty(i)) {\n if (str.length)\n str += '&';\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\n }\n }\n return str;\n}\n/**\n * Parses a simple querystring into an object\n *\n * @param {String} qs\n * @api private\n */\nexport function decode(qs) {\n let qry = {};\n let pairs = qs.split('&');\n for (let i = 0, l = pairs.length; i < l; i++) {\n let pair = pairs[i].split('=');\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n }\n return qry;\n}\n","// imported from https://github.com/unshiftio/yeast\n'use strict';\nconst alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {};\nlet seed = 0, i = 0, prev;\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nexport function encode(num) {\n let encoded = '';\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n return encoded;\n}\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nexport function decode(str) {\n let decoded = 0;\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n return decoded;\n}\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nexport function yeast() {\n const now = encode(+new Date());\n if (now !== prev)\n return seed = 0, prev = now;\n return now + '.' + encode(seed++);\n}\n//\n// Map each character to its index.\n//\nfor (; i < length; i++)\n map[alphabet[i]] = i;\n","// imported from https://github.com/component/has-cors\nlet value = false;\ntry {\n value = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n}\ncatch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n}\nexport const hasCORS = value;\n","// browser shim for xmlhttprequest module\nimport { hasCORS } from \"../contrib/has-cors.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nexport function XHR(opts) {\n const xdomain = opts.xdomain;\n // XMLHttpRequest can be disabled on IE\n try {\n if (\"undefined\" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n }\n catch (e) { }\n if (!xdomain) {\n try {\n return new globalThis[[\"Active\"].concat(\"Object\").join(\"X\")](\"Microsoft.XMLHTTP\");\n }\n catch (e) { }\n }\n}\nexport function createCookieJar() { }\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { encodePayload, decodePayload } from \"engine.io-parser\";\nimport { createCookieJar, XHR as XMLHttpRequest, } from \"./xmlhttprequest.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions, pick } from \"../util.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nfunction empty() { }\nconst hasXHR2 = (function () {\n const xhr = new XMLHttpRequest({\n xdomain: false,\n });\n return null != xhr.responseType;\n})();\nexport class Polling extends Transport {\n /**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @package\n */\n constructor(opts) {\n super(opts);\n this.polling = false;\n if (typeof location !== \"undefined\") {\n const isSSL = \"https:\" === location.protocol;\n let port = location.port;\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? \"443\" : \"80\";\n }\n this.xd =\n (typeof location !== \"undefined\" &&\n opts.hostname !== location.hostname) ||\n port !== opts.port;\n }\n /**\n * XHR supports binary\n */\n const forceBase64 = opts && opts.forceBase64;\n this.supportsBinary = hasXHR2 && !forceBase64;\n if (this.opts.withCredentials) {\n this.cookieJar = createCookieJar();\n }\n }\n get name() {\n return \"polling\";\n }\n /**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @protected\n */\n doOpen() {\n this.poll();\n }\n /**\n * Pauses polling.\n *\n * @param {Function} onPause - callback upon buffers are flushed and transport is paused\n * @package\n */\n pause(onPause) {\n this.readyState = \"pausing\";\n const pause = () => {\n this.readyState = \"paused\";\n onPause();\n };\n if (this.polling || !this.writable) {\n let total = 0;\n if (this.polling) {\n total++;\n this.once(\"pollComplete\", function () {\n --total || pause();\n });\n }\n if (!this.writable) {\n total++;\n this.once(\"drain\", function () {\n --total || pause();\n });\n }\n }\n else {\n pause();\n }\n }\n /**\n * Starts polling cycle.\n *\n * @private\n */\n poll() {\n this.polling = true;\n this.doPoll();\n this.emitReserved(\"poll\");\n }\n /**\n * Overloads onData to detect payloads.\n *\n * @protected\n */\n onData(data) {\n const callback = (packet) => {\n // if its the first message we consider the transport open\n if (\"opening\" === this.readyState && packet.type === \"open\") {\n this.onOpen();\n }\n // if its a close packet, we close the ongoing requests\n if (\"close\" === packet.type) {\n this.onClose({ description: \"transport closed by the server\" });\n return false;\n }\n // otherwise bypass onData and handle the message\n this.onPacket(packet);\n };\n // decode payload\n decodePayload(data, this.socket.binaryType).forEach(callback);\n // if an event did not trigger closing\n if (\"closed\" !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emitReserved(\"pollComplete\");\n if (\"open\" === this.readyState) {\n this.poll();\n }\n else {\n }\n }\n }\n /**\n * For polling, send a close packet.\n *\n * @protected\n */\n doClose() {\n const close = () => {\n this.write([{ type: \"close\" }]);\n };\n if (\"open\" === this.readyState) {\n close();\n }\n else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n this.once(\"open\", close);\n }\n }\n /**\n * Writes a packets payload.\n *\n * @param {Array} packets - data packets\n * @protected\n */\n write(packets) {\n this.writable = false;\n encodePayload(packets, (data) => {\n this.doWrite(data, () => {\n this.writable = true;\n this.emitReserved(\"drain\");\n });\n });\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"https\" : \"http\";\n const query = this.query || {};\n // cache busting is forced\n if (false !== this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Creates a request.\n *\n * @param {String} method\n * @private\n */\n request(opts = {}) {\n Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts);\n return new Request(this.uri(), opts);\n }\n /**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @private\n */\n doWrite(data, fn) {\n const req = this.request({\n method: \"POST\",\n data: data,\n });\n req.on(\"success\", fn);\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr post error\", xhrStatus, context);\n });\n }\n /**\n * Starts a poll cycle.\n *\n * @private\n */\n doPoll() {\n const req = this.request();\n req.on(\"data\", this.onData.bind(this));\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr poll error\", xhrStatus, context);\n });\n this.pollXhr = req;\n }\n}\nexport class Request extends Emitter {\n /**\n * Request constructor\n *\n * @param {Object} options\n * @package\n */\n constructor(uri, opts) {\n super();\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.method = opts.method || \"GET\";\n this.uri = uri;\n this.data = undefined !== opts.data ? opts.data : null;\n this.create();\n }\n /**\n * Creates the XHR object and sends the request.\n *\n * @private\n */\n create() {\n var _a;\n const opts = pick(this.opts, \"agent\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"autoUnref\");\n opts.xdomain = !!this.opts.xd;\n const xhr = (this.xhr = new XMLHttpRequest(opts));\n try {\n xhr.open(this.method, this.uri, true);\n try {\n if (this.opts.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (let i in this.opts.extraHeaders) {\n if (this.opts.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.opts.extraHeaders[i]);\n }\n }\n }\n }\n catch (e) { }\n if (\"POST\" === this.method) {\n try {\n xhr.setRequestHeader(\"Content-type\", \"text/plain;charset=UTF-8\");\n }\n catch (e) { }\n }\n try {\n xhr.setRequestHeader(\"Accept\", \"*/*\");\n }\n catch (e) { }\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr);\n // ie6 check\n if (\"withCredentials\" in xhr) {\n xhr.withCredentials = this.opts.withCredentials;\n }\n if (this.opts.requestTimeout) {\n xhr.timeout = this.opts.requestTimeout;\n }\n xhr.onreadystatechange = () => {\n var _a;\n if (xhr.readyState === 3) {\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr);\n }\n if (4 !== xhr.readyState)\n return;\n if (200 === xhr.status || 1223 === xhr.status) {\n this.onLoad();\n }\n else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n this.setTimeoutFn(() => {\n this.onError(typeof xhr.status === \"number\" ? xhr.status : 0);\n }, 0);\n }\n };\n xhr.send(this.data);\n }\n catch (e) {\n // Need to defer since .create() is called directly from the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n this.setTimeoutFn(() => {\n this.onError(e);\n }, 0);\n return;\n }\n if (typeof document !== \"undefined\") {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n }\n /**\n * Called upon error.\n *\n * @private\n */\n onError(err) {\n this.emitReserved(\"error\", err, this.xhr);\n this.cleanup(true);\n }\n /**\n * Cleans up house.\n *\n * @private\n */\n cleanup(fromError) {\n if (\"undefined\" === typeof this.xhr || null === this.xhr) {\n return;\n }\n this.xhr.onreadystatechange = empty;\n if (fromError) {\n try {\n this.xhr.abort();\n }\n catch (e) { }\n }\n if (typeof document !== \"undefined\") {\n delete Request.requests[this.index];\n }\n this.xhr = null;\n }\n /**\n * Called upon load.\n *\n * @private\n */\n onLoad() {\n const data = this.xhr.responseText;\n if (data !== null) {\n this.emitReserved(\"data\", data);\n this.emitReserved(\"success\");\n this.cleanup();\n }\n }\n /**\n * Aborts the request.\n *\n * @package\n */\n abort() {\n this.cleanup();\n }\n}\nRequest.requestsCount = 0;\nRequest.requests = {};\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\nif (typeof document !== \"undefined\") {\n // @ts-ignore\n if (typeof attachEvent === \"function\") {\n // @ts-ignore\n attachEvent(\"onunload\", unloadHandler);\n }\n else if (typeof addEventListener === \"function\") {\n const terminationEvent = \"onpagehide\" in globalThis ? \"pagehide\" : \"unload\";\n addEventListener(terminationEvent, unloadHandler, false);\n }\n}\nfunction unloadHandler() {\n for (let i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n","import { globalThisShim as globalThis } from \"../globalThis.js\";\nexport const nextTick = (() => {\n const isPromiseAvailable = typeof Promise === \"function\" && typeof Promise.resolve === \"function\";\n if (isPromiseAvailable) {\n return (cb) => Promise.resolve().then(cb);\n }\n else {\n return (cb, setTimeoutFn) => setTimeoutFn(cb, 0);\n }\n})();\nexport const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket;\nexport const usingBrowserWebSocket = true;\nexport const defaultBinaryType = \"arraybuffer\";\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { pick } from \"../util.js\";\nimport { nextTick, usingBrowserWebSocket, WebSocket, } from \"./websocket-constructor.js\";\nimport { encodePacket } from \"engine.io-parser\";\n// detect ReactNative environment\nconst isReactNative = typeof navigator !== \"undefined\" &&\n typeof navigator.product === \"string\" &&\n navigator.product.toLowerCase() === \"reactnative\";\nexport class WS extends Transport {\n /**\n * WebSocket transport constructor.\n *\n * @param {Object} opts - connection options\n * @protected\n */\n constructor(opts) {\n super(opts);\n this.supportsBinary = !opts.forceBase64;\n }\n get name() {\n return \"websocket\";\n }\n doOpen() {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n const uri = this.uri();\n const protocols = this.opts.protocols;\n // React Native only supports the 'headers' option, and will print a warning if anything else is passed\n const opts = isReactNative\n ? {}\n : pick(this.opts, \"agent\", \"perMessageDeflate\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"localAddress\", \"protocolVersion\", \"origin\", \"maxPayload\", \"family\", \"checkServerIdentity\");\n if (this.opts.extraHeaders) {\n opts.headers = this.opts.extraHeaders;\n }\n try {\n this.ws =\n usingBrowserWebSocket && !isReactNative\n ? protocols\n ? new WebSocket(uri, protocols)\n : new WebSocket(uri)\n : new WebSocket(uri, protocols, opts);\n }\n catch (err) {\n return this.emitReserved(\"error\", err);\n }\n this.ws.binaryType = this.socket.binaryType;\n this.addEventListeners();\n }\n /**\n * Adds event listeners to the socket\n *\n * @private\n */\n addEventListeners() {\n this.ws.onopen = () => {\n if (this.opts.autoUnref) {\n this.ws._socket.unref();\n }\n this.onOpen();\n };\n this.ws.onclose = (closeEvent) => this.onClose({\n description: \"websocket connection closed\",\n context: closeEvent,\n });\n this.ws.onmessage = (ev) => this.onData(ev.data);\n this.ws.onerror = (e) => this.onError(\"websocket error\", e);\n }\n write(packets) {\n this.writable = false;\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n encodePacket(packet, this.supportsBinary, (data) => {\n // always create a new object (GH-437)\n const opts = {};\n if (!usingBrowserWebSocket) {\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n if (this.opts.perMessageDeflate) {\n const len = \n // @ts-ignore\n \"string\" === typeof data ? Buffer.byteLength(data) : data.length;\n if (len < this.opts.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n this.ws.send(data);\n }\n else {\n this.ws.send(data, opts);\n }\n }\n catch (e) {\n }\n if (lastPacket) {\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n if (typeof this.ws !== \"undefined\") {\n this.ws.close();\n this.ws = null;\n }\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"wss\" : \"ws\";\n const query = this.query || {};\n // append timestamp to URI\n if (this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @private\n */\n check() {\n return !!WebSocket;\n }\n}\n","import { Polling } from \"./polling.js\";\nimport { WS } from \"./websocket.js\";\nimport { WT } from \"./webtransport.js\";\nexport const transports = {\n websocket: WS,\n webtransport: WT,\n polling: Polling,\n};\n","import { Transport } from \"../transport.js\";\nimport { nextTick } from \"./websocket-constructor.js\";\nimport { createPacketDecoderStream, createPacketEncoderStream, } from \"engine.io-parser\";\nexport class WT extends Transport {\n get name() {\n return \"webtransport\";\n }\n doOpen() {\n // @ts-ignore\n if (typeof WebTransport !== \"function\") {\n return;\n }\n // @ts-ignore\n this.transport = new WebTransport(this.createUri(\"https\"), this.opts.transportOptions[this.name]);\n this.transport.closed\n .then(() => {\n this.onClose();\n })\n .catch((err) => {\n this.onError(\"webtransport error\", err);\n });\n // note: we could have used async/await, but that would require some additional polyfills\n this.transport.ready.then(() => {\n this.transport.createBidirectionalStream().then((stream) => {\n const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType);\n const reader = stream.readable.pipeThrough(decoderStream).getReader();\n const encoderStream = createPacketEncoderStream();\n encoderStream.readable.pipeTo(stream.writable);\n this.writer = encoderStream.writable.getWriter();\n const read = () => {\n reader\n .read()\n .then(({ done, value }) => {\n if (done) {\n return;\n }\n this.onPacket(value);\n read();\n })\n .catch((err) => {\n });\n };\n read();\n const packet = { type: \"open\" };\n if (this.query.sid) {\n packet.data = `{\"sid\":\"${this.query.sid}\"}`;\n }\n this.writer.write(packet).then(() => this.onOpen());\n });\n });\n }\n write(packets) {\n this.writable = false;\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n this.writer.write(packet).then(() => {\n if (lastPacket) {\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n var _a;\n (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close();\n }\n}\n","// imported from https://github.com/galkn/parseuri\n/**\n * Parses a URI\n *\n * Note: we could also have used the built-in URL object, but it isn't supported on all platforms.\n *\n * See:\n * - https://developer.mozilla.org/en-US/docs/Web/API/URL\n * - https://caniuse.com/url\n * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B\n *\n * History of the parse() method:\n * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c\n * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3\n * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242\n *\n * @author Steven Levithan (MIT license)\n * @api private\n */\nconst re = /^(?:(?![^:@\\/?#]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@\\/?#]*)(?::([^:@\\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\nconst parts = [\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\n];\nexport function parse(str) {\n if (str.length > 2000) {\n throw \"URI too long\";\n }\n const src = str, b = str.indexOf('['), e = str.indexOf(']');\n if (b != -1 && e != -1) {\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\n }\n let m = re.exec(str || ''), uri = {}, i = 14;\n while (i--) {\n uri[parts[i]] = m[i] || '';\n }\n if (b != -1 && e != -1) {\n uri.source = src;\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\n uri.ipv6uri = true;\n }\n uri.pathNames = pathNames(uri, uri['path']);\n uri.queryKey = queryKey(uri, uri['query']);\n return uri;\n}\nfunction pathNames(obj, path) {\n const regx = /\\/{2,9}/g, names = path.replace(regx, \"/\").split(\"/\");\n if (path.slice(0, 1) == '/' || path.length === 0) {\n names.splice(0, 1);\n }\n if (path.slice(-1) == '/') {\n names.splice(names.length - 1, 1);\n }\n return names;\n}\nfunction queryKey(uri, query) {\n const data = {};\n query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {\n if ($1) {\n data[$1] = $2;\n }\n });\n return data;\n}\n","import { transports } from \"./transports/index.js\";\nimport { installTimerFunctions, byteLength } from \"./util.js\";\nimport { decode } from \"./contrib/parseqs.js\";\nimport { parse } from \"./contrib/parseuri.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { protocol } from \"engine.io-parser\";\nimport { defaultBinaryType } from \"./transports/websocket-constructor.js\";\nexport class Socket extends Emitter {\n /**\n * Socket constructor.\n *\n * @param {String|Object} uri - uri or options\n * @param {Object} opts - options\n */\n constructor(uri, opts = {}) {\n super();\n this.binaryType = defaultBinaryType;\n this.writeBuffer = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = null;\n }\n if (uri) {\n uri = parse(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === \"https\" || uri.protocol === \"wss\";\n opts.port = uri.port;\n if (uri.query)\n opts.query = uri.query;\n }\n else if (opts.host) {\n opts.hostname = parse(opts.host).host;\n }\n installTimerFunctions(this, opts);\n this.secure =\n null != opts.secure\n ? opts.secure\n : typeof location !== \"undefined\" && \"https:\" === location.protocol;\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? \"443\" : \"80\";\n }\n this.hostname =\n opts.hostname ||\n (typeof location !== \"undefined\" ? location.hostname : \"localhost\");\n this.port =\n opts.port ||\n (typeof location !== \"undefined\" && location.port\n ? location.port\n : this.secure\n ? \"443\"\n : \"80\");\n this.transports = opts.transports || [\n \"polling\",\n \"websocket\",\n \"webtransport\",\n ];\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.opts = Object.assign({\n path: \"/engine.io\",\n agent: false,\n withCredentials: false,\n upgrade: true,\n timestampParam: \"t\",\n rememberUpgrade: false,\n addTrailingSlash: true,\n rejectUnauthorized: true,\n perMessageDeflate: {\n threshold: 1024,\n },\n transportOptions: {},\n closeOnBeforeunload: false,\n }, opts);\n this.opts.path =\n this.opts.path.replace(/\\/$/, \"\") +\n (this.opts.addTrailingSlash ? \"/\" : \"\");\n if (typeof this.opts.query === \"string\") {\n this.opts.query = decode(this.opts.query);\n }\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n // set on heartbeat\n this.pingTimeoutTimer = null;\n if (typeof addEventListener === \"function\") {\n if (this.opts.closeOnBeforeunload) {\n // Firefox closes the connection when the \"beforeunload\" event is emitted but not Chrome. This event listener\n // ensures every browser behaves the same (no \"disconnect\" event at the Socket.IO level when the page is\n // closed/reloaded)\n this.beforeunloadEventListener = () => {\n if (this.transport) {\n // silently close the transport\n this.transport.removeAllListeners();\n this.transport.close();\n }\n };\n addEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n }\n if (this.hostname !== \"localhost\") {\n this.offlineEventListener = () => {\n this.onClose(\"transport close\", {\n description: \"network connection lost\",\n });\n };\n addEventListener(\"offline\", this.offlineEventListener, false);\n }\n }\n this.open();\n }\n /**\n * Creates transport of the given type.\n *\n * @param {String} name - transport name\n * @return {Transport}\n * @private\n */\n createTransport(name) {\n const query = Object.assign({}, this.opts.query);\n // append engine.io protocol identifier\n query.EIO = protocol;\n // transport name\n query.transport = name;\n // session id if we already have one\n if (this.id)\n query.sid = this.id;\n const opts = Object.assign({}, this.opts, {\n query,\n socket: this,\n hostname: this.hostname,\n secure: this.secure,\n port: this.port,\n }, this.opts.transportOptions[name]);\n return new transports[name](opts);\n }\n /**\n * Initializes transport to use and starts probe.\n *\n * @private\n */\n open() {\n let transport;\n if (this.opts.rememberUpgrade &&\n Socket.priorWebsocketSuccess &&\n this.transports.indexOf(\"websocket\") !== -1) {\n transport = \"websocket\";\n }\n else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n this.setTimeoutFn(() => {\n this.emitReserved(\"error\", \"No transports available\");\n }, 0);\n return;\n }\n else {\n transport = this.transports[0];\n }\n this.readyState = \"opening\";\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n }\n catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n transport.open();\n this.setTransport(transport);\n }\n /**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @private\n */\n setTransport(transport) {\n if (this.transport) {\n this.transport.removeAllListeners();\n }\n // set up transport\n this.transport = transport;\n // set up transport listeners\n transport\n .on(\"drain\", this.onDrain.bind(this))\n .on(\"packet\", this.onPacket.bind(this))\n .on(\"error\", this.onError.bind(this))\n .on(\"close\", (reason) => this.onClose(\"transport close\", reason));\n }\n /**\n * Probes a transport.\n *\n * @param {String} name - transport name\n * @private\n */\n probe(name) {\n let transport = this.createTransport(name);\n let failed = false;\n Socket.priorWebsocketSuccess = false;\n const onTransportOpen = () => {\n if (failed)\n return;\n transport.send([{ type: \"ping\", data: \"probe\" }]);\n transport.once(\"packet\", (msg) => {\n if (failed)\n return;\n if (\"pong\" === msg.type && \"probe\" === msg.data) {\n this.upgrading = true;\n this.emitReserved(\"upgrading\", transport);\n if (!transport)\n return;\n Socket.priorWebsocketSuccess = \"websocket\" === transport.name;\n this.transport.pause(() => {\n if (failed)\n return;\n if (\"closed\" === this.readyState)\n return;\n cleanup();\n this.setTransport(transport);\n transport.send([{ type: \"upgrade\" }]);\n this.emitReserved(\"upgrade\", transport);\n transport = null;\n this.upgrading = false;\n this.flush();\n });\n }\n else {\n const err = new Error(\"probe error\");\n // @ts-ignore\n err.transport = transport.name;\n this.emitReserved(\"upgradeError\", err);\n }\n });\n };\n function freezeTransport() {\n if (failed)\n return;\n // Any callback called by transport should be ignored since now\n failed = true;\n cleanup();\n transport.close();\n transport = null;\n }\n // Handle any error that happens while probing\n const onerror = (err) => {\n const error = new Error(\"probe error: \" + err);\n // @ts-ignore\n error.transport = transport.name;\n freezeTransport();\n this.emitReserved(\"upgradeError\", error);\n };\n function onTransportClose() {\n onerror(\"transport closed\");\n }\n // When the socket is closed while we're probing\n function onclose() {\n onerror(\"socket closed\");\n }\n // When the socket is upgraded while we're probing\n function onupgrade(to) {\n if (transport && to.name !== transport.name) {\n freezeTransport();\n }\n }\n // Remove all listeners on the transport and on self\n const cleanup = () => {\n transport.removeListener(\"open\", onTransportOpen);\n transport.removeListener(\"error\", onerror);\n transport.removeListener(\"close\", onTransportClose);\n this.off(\"close\", onclose);\n this.off(\"upgrading\", onupgrade);\n };\n transport.once(\"open\", onTransportOpen);\n transport.once(\"error\", onerror);\n transport.once(\"close\", onTransportClose);\n this.once(\"close\", onclose);\n this.once(\"upgrading\", onupgrade);\n if (this.upgrades.indexOf(\"webtransport\") !== -1 &&\n name !== \"webtransport\") {\n // favor WebTransport\n this.setTimeoutFn(() => {\n if (!failed) {\n transport.open();\n }\n }, 200);\n }\n else {\n transport.open();\n }\n }\n /**\n * Called when connection is deemed open.\n *\n * @private\n */\n onOpen() {\n this.readyState = \"open\";\n Socket.priorWebsocketSuccess = \"websocket\" === this.transport.name;\n this.emitReserved(\"open\");\n this.flush();\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if (\"open\" === this.readyState && this.opts.upgrade) {\n let i = 0;\n const l = this.upgrades.length;\n for (; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n }\n /**\n * Handles a packet.\n *\n * @private\n */\n onPacket(packet) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n this.emitReserved(\"packet\", packet);\n // Socket is live - any packet counts\n this.emitReserved(\"heartbeat\");\n this.resetPingTimeout();\n switch (packet.type) {\n case \"open\":\n this.onHandshake(JSON.parse(packet.data));\n break;\n case \"ping\":\n this.sendPacket(\"pong\");\n this.emitReserved(\"ping\");\n this.emitReserved(\"pong\");\n break;\n case \"error\":\n const err = new Error(\"server error\");\n // @ts-ignore\n err.code = packet.data;\n this.onError(err);\n break;\n case \"message\":\n this.emitReserved(\"data\", packet.data);\n this.emitReserved(\"message\", packet.data);\n break;\n }\n }\n else {\n }\n }\n /**\n * Called upon handshake completion.\n *\n * @param {Object} data - handshake obj\n * @private\n */\n onHandshake(data) {\n this.emitReserved(\"handshake\", data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.maxPayload = data.maxPayload;\n this.onOpen();\n // In case open handler closes socket\n if (\"closed\" === this.readyState)\n return;\n this.resetPingTimeout();\n }\n /**\n * Sets and resets ping timeout timer based on server pings.\n *\n * @private\n */\n resetPingTimeout() {\n this.clearTimeoutFn(this.pingTimeoutTimer);\n this.pingTimeoutTimer = this.setTimeoutFn(() => {\n this.onClose(\"ping timeout\");\n }, this.pingInterval + this.pingTimeout);\n if (this.opts.autoUnref) {\n this.pingTimeoutTimer.unref();\n }\n }\n /**\n * Called on `drain` event\n *\n * @private\n */\n onDrain() {\n this.writeBuffer.splice(0, this.prevBufferLen);\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n if (0 === this.writeBuffer.length) {\n this.emitReserved(\"drain\");\n }\n else {\n this.flush();\n }\n }\n /**\n * Flush write buffers.\n *\n * @private\n */\n flush() {\n if (\"closed\" !== this.readyState &&\n this.transport.writable &&\n !this.upgrading &&\n this.writeBuffer.length) {\n const packets = this.getWritablePackets();\n this.transport.send(packets);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = packets.length;\n this.emitReserved(\"flush\");\n }\n }\n /**\n * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP\n * long-polling)\n *\n * @private\n */\n getWritablePackets() {\n const shouldCheckPayloadSize = this.maxPayload &&\n this.transport.name === \"polling\" &&\n this.writeBuffer.length > 1;\n if (!shouldCheckPayloadSize) {\n return this.writeBuffer;\n }\n let payloadSize = 1; // first packet type\n for (let i = 0; i < this.writeBuffer.length; i++) {\n const data = this.writeBuffer[i].data;\n if (data) {\n payloadSize += byteLength(data);\n }\n if (i > 0 && payloadSize > this.maxPayload) {\n return this.writeBuffer.slice(0, i);\n }\n payloadSize += 2; // separator + packet type\n }\n return this.writeBuffer;\n }\n /**\n * Sends a message.\n *\n * @param {String} msg - message.\n * @param {Object} options.\n * @param {Function} callback function.\n * @return {Socket} for chaining.\n */\n write(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n send(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n /**\n * Sends a packet.\n *\n * @param {String} type: packet type.\n * @param {String} data.\n * @param {Object} options.\n * @param {Function} fn - callback function.\n * @private\n */\n sendPacket(type, data, options, fn) {\n if (\"function\" === typeof data) {\n fn = data;\n data = undefined;\n }\n if (\"function\" === typeof options) {\n fn = options;\n options = null;\n }\n if (\"closing\" === this.readyState || \"closed\" === this.readyState) {\n return;\n }\n options = options || {};\n options.compress = false !== options.compress;\n const packet = {\n type: type,\n data: data,\n options: options,\n };\n this.emitReserved(\"packetCreate\", packet);\n this.writeBuffer.push(packet);\n if (fn)\n 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\ No newline at end of file diff --git a/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.js b/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.js deleted file mode 100644 index 335b8ca9..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.js +++ /dev/null @@ -1,2357 +0,0 @@ -/*! - * Engine.IO v6.5.3 - * (c) 2014-2023 Guillermo Rauch - * Released under the MIT License. - */ -(function (global, factory) { - typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : - typeof define === 'function' && define.amd ? define(factory) : - (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.eio = factory()); -})(this, (function () { 'use strict'; - - function _typeof(obj) { - "@babel/helpers - typeof"; - - if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { - _typeof = function (obj) { - return typeof obj; - }; - } else { - _typeof = function (obj) { - return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; - }; - } - return _typeof(obj); - } - function _classCallCheck(instance, Constructor) { - if (!(instance instanceof Constructor)) { - throw new TypeError("Cannot call a class as a function"); - } - } - function _defineProperties(target, props) { - for (var i = 0; i < props.length; i++) { - var descriptor = props[i]; - descriptor.enumerable = descriptor.enumerable || false; - descriptor.configurable = true; - if ("value" in descriptor) descriptor.writable = true; - Object.defineProperty(target, descriptor.key, descriptor); - } - } - function _createClass(Constructor, protoProps, staticProps) { - if (protoProps) _defineProperties(Constructor.prototype, protoProps); - if (staticProps) _defineProperties(Constructor, staticProps); - return Constructor; - } - function _extends() { - _extends = Object.assign || function (target) { - for (var i = 1; i < arguments.length; i++) { - var source = arguments[i]; - for (var key in source) { - if (Object.prototype.hasOwnProperty.call(source, key)) { - target[key] = source[key]; - } - } - } - return target; - }; - return _extends.apply(this, arguments); - } - function _inherits(subClass, superClass) { - if (typeof superClass !== "function" && superClass !== null) { - throw new TypeError("Super expression must either be null or a function"); - } - subClass.prototype = Object.create(superClass && superClass.prototype, { - constructor: { - value: subClass, - writable: true, - configurable: true - } - }); - if (superClass) _setPrototypeOf(subClass, superClass); - } - function _getPrototypeOf(o) { - _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { - return o.__proto__ || Object.getPrototypeOf(o); - }; - return _getPrototypeOf(o); - } - function _setPrototypeOf(o, p) { - _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { - o.__proto__ = p; - return o; - }; - return _setPrototypeOf(o, p); - } - function _isNativeReflectConstruct() { - if (typeof Reflect === "undefined" || !Reflect.construct) return false; - if (Reflect.construct.sham) return false; - if (typeof Proxy === "function") return true; - try { - Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); - return true; - } catch (e) { - return false; - } - } - function _construct(Parent, args, Class) { - if (_isNativeReflectConstruct()) { - _construct = Reflect.construct; - } else { - _construct = function _construct(Parent, args, Class) { - var a = [null]; - a.push.apply(a, args); - var Constructor = Function.bind.apply(Parent, a); - var instance = new Constructor(); - if (Class) _setPrototypeOf(instance, Class.prototype); - return instance; - }; - } - return _construct.apply(null, arguments); - } - function _isNativeFunction(fn) { - return Function.toString.call(fn).indexOf("[native code]") !== -1; - } - function _wrapNativeSuper(Class) { - var _cache = typeof Map === "function" ? new Map() : undefined; - _wrapNativeSuper = function _wrapNativeSuper(Class) { - if (Class === null || !_isNativeFunction(Class)) return Class; - if (typeof Class !== "function") { - throw new TypeError("Super expression must either be null or a function"); - } - if (typeof _cache !== "undefined") { - if (_cache.has(Class)) return _cache.get(Class); - _cache.set(Class, Wrapper); - } - function Wrapper() { - return _construct(Class, arguments, _getPrototypeOf(this).constructor); - } - Wrapper.prototype = Object.create(Class.prototype, { - constructor: { - value: Wrapper, - enumerable: false, - writable: true, - configurable: true - } - }); - return _setPrototypeOf(Wrapper, Class); - }; - return _wrapNativeSuper(Class); - } - function _assertThisInitialized(self) { - if (self === void 0) { - throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); - } - return self; - } - function _possibleConstructorReturn(self, call) { - if (call && (typeof call === "object" || typeof call === "function")) { - return call; - } - return _assertThisInitialized(self); - } - function _createSuper(Derived) { - var hasNativeReflectConstruct = _isNativeReflectConstruct(); - return function _createSuperInternal() { - var Super = _getPrototypeOf(Derived), - result; - if (hasNativeReflectConstruct) { - var NewTarget = _getPrototypeOf(this).constructor; - result = Reflect.construct(Super, arguments, NewTarget); - } else { - result = Super.apply(this, arguments); - } - return _possibleConstructorReturn(this, result); - }; - } - function _superPropBase(object, property) { - while (!Object.prototype.hasOwnProperty.call(object, property)) { - object = _getPrototypeOf(object); - if (object === null) break; - } - return object; - } - function _get(target, property, receiver) { - if (typeof Reflect !== "undefined" && Reflect.get) { - _get = Reflect.get; - } else { - _get = function _get(target, property, receiver) { - var base = _superPropBase(target, property); - if (!base) return; - var desc = Object.getOwnPropertyDescriptor(base, property); - if (desc.get) { - return desc.get.call(receiver); - } - return desc.value; - }; - } - return _get(target, property, receiver || target); - } - - var PACKET_TYPES = Object.create(null); // no Map = no polyfill - PACKET_TYPES["open"] = "0"; - PACKET_TYPES["close"] = "1"; - PACKET_TYPES["ping"] = "2"; - PACKET_TYPES["pong"] = "3"; - PACKET_TYPES["message"] = "4"; - PACKET_TYPES["upgrade"] = "5"; - PACKET_TYPES["noop"] = "6"; - var PACKET_TYPES_REVERSE = Object.create(null); - Object.keys(PACKET_TYPES).forEach(function (key) { - PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key; - }); - var ERROR_PACKET = { - type: "error", - data: "parser error" - }; - - var withNativeBlob = typeof Blob === "function" || typeof Blob !== "undefined" && Object.prototype.toString.call(Blob) === "[object BlobConstructor]"; - var withNativeArrayBuffer$1 = typeof ArrayBuffer === "function"; - // ArrayBuffer.isView method is not defined in IE10 - var isView = function isView(obj) { - return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj && obj.buffer instanceof ArrayBuffer; - }; - var encodePacket = function encodePacket(_ref, supportsBinary, callback) { - var type = _ref.type, - data = _ref.data; - if (withNativeBlob && data instanceof Blob) { - if (supportsBinary) { - return callback(data); - } else { - return encodeBlobAsBase64(data, callback); - } - } else if (withNativeArrayBuffer$1 && (data instanceof ArrayBuffer || isView(data))) { - if (supportsBinary) { - return callback(data); - } else { - return encodeBlobAsBase64(new Blob([data]), callback); - } - } - // plain string - return callback(PACKET_TYPES[type] + (data || "")); - }; - var encodeBlobAsBase64 = function encodeBlobAsBase64(data, callback) { - var fileReader = new FileReader(); - fileReader.onload = function () { - var content = fileReader.result.split(",")[1]; - callback("b" + (content || "")); - }; - return fileReader.readAsDataURL(data); - }; - function toArray(data) { - if (data instanceof Uint8Array) { - return data; - } else if (data instanceof ArrayBuffer) { - return new Uint8Array(data); - } else { - return new Uint8Array(data.buffer, data.byteOffset, data.byteLength); - } - } - var TEXT_ENCODER; - function encodePacketToBinary(packet, callback) { - if (withNativeBlob && packet.data instanceof Blob) { - return packet.data.arrayBuffer().then(toArray).then(callback); - } else if (withNativeArrayBuffer$1 && (packet.data instanceof ArrayBuffer || isView(packet.data))) { - return callback(toArray(packet.data)); - } - encodePacket(packet, false, function (encoded) { - if (!TEXT_ENCODER) { - TEXT_ENCODER = new TextEncoder(); - } - callback(TEXT_ENCODER.encode(encoded)); - }); - } - - // imported from https://github.com/socketio/base64-arraybuffer - var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; - // Use a lookup table to find the index. - var lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256); - for (var i$1 = 0; i$1 < chars.length; i$1++) { - lookup[chars.charCodeAt(i$1)] = i$1; - } - var decode$1 = function decode(base64) { - var bufferLength = base64.length * 0.75, - len = base64.length, - i, - p = 0, - encoded1, - encoded2, - encoded3, - encoded4; - if (base64[base64.length - 1] === '=') { - bufferLength--; - if (base64[base64.length - 2] === '=') { - bufferLength--; - } - } - var arraybuffer = new ArrayBuffer(bufferLength), - bytes = new Uint8Array(arraybuffer); - for (i = 0; i < len; i += 4) { - encoded1 = lookup[base64.charCodeAt(i)]; - encoded2 = lookup[base64.charCodeAt(i + 1)]; - encoded3 = lookup[base64.charCodeAt(i + 2)]; - encoded4 = lookup[base64.charCodeAt(i + 3)]; - bytes[p++] = encoded1 << 2 | encoded2 >> 4; - bytes[p++] = (encoded2 & 15) << 4 | encoded3 >> 2; - bytes[p++] = (encoded3 & 3) << 6 | encoded4 & 63; - } - return arraybuffer; - }; - - var withNativeArrayBuffer = typeof ArrayBuffer === "function"; - var decodePacket = function decodePacket(encodedPacket, binaryType) { - if (typeof encodedPacket !== "string") { - return { - type: "message", - data: mapBinary(encodedPacket, binaryType) - }; - } - var type = encodedPacket.charAt(0); - if (type === "b") { - return { - type: "message", - data: decodeBase64Packet(encodedPacket.substring(1), binaryType) - }; - } - var packetType = PACKET_TYPES_REVERSE[type]; - if (!packetType) { - return ERROR_PACKET; - } - return encodedPacket.length > 1 ? { - type: PACKET_TYPES_REVERSE[type], - data: encodedPacket.substring(1) - } : { - type: PACKET_TYPES_REVERSE[type] - }; - }; - var decodeBase64Packet = function decodeBase64Packet(data, binaryType) { - if (withNativeArrayBuffer) { - var decoded = decode$1(data); - return mapBinary(decoded, binaryType); - } else { - return { - base64: true, - data: data - }; // fallback for old browsers - } - }; - - var mapBinary = function mapBinary(data, binaryType) { - switch (binaryType) { - case "blob": - if (data instanceof Blob) { - // from WebSocket + binaryType "blob" - return data; - } else { - // from HTTP long-polling or WebTransport - return new Blob([data]); - } - case "arraybuffer": - default: - if (data instanceof ArrayBuffer) { - // from HTTP long-polling (base64) or WebSocket + binaryType "arraybuffer" - return data; - } else { - // from WebTransport (Uint8Array) - return data.buffer; - } - } - }; - - var SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text - var encodePayload = function encodePayload(packets, callback) { - // some packets may be added to the array while encoding, so the initial length must be saved - var length = packets.length; - var encodedPackets = new Array(length); - var count = 0; - packets.forEach(function (packet, i) { - // force base64 encoding for binary packets - encodePacket(packet, false, function (encodedPacket) { - encodedPackets[i] = encodedPacket; - if (++count === length) { - callback(encodedPackets.join(SEPARATOR)); - } - }); - }); - }; - var decodePayload = function decodePayload(encodedPayload, binaryType) { - var encodedPackets = encodedPayload.split(SEPARATOR); - var packets = []; - for (var i = 0; i < encodedPackets.length; i++) { - var decodedPacket = decodePacket(encodedPackets[i], binaryType); - packets.push(decodedPacket); - if (decodedPacket.type === "error") { - break; - } - } - return packets; - }; - function createPacketEncoderStream() { - return new TransformStream({ - transform: function transform(packet, controller) { - encodePacketToBinary(packet, function (encodedPacket) { - var payloadLength = encodedPacket.length; - var header; - // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length - if (payloadLength < 126) { - header = new Uint8Array(1); - new DataView(header.buffer).setUint8(0, payloadLength); - } else if (payloadLength < 65536) { - header = new Uint8Array(3); - var view = new DataView(header.buffer); - view.setUint8(0, 126); - view.setUint16(1, payloadLength); - } else { - header = new Uint8Array(9); - var _view = new DataView(header.buffer); - _view.setUint8(0, 127); - _view.setBigUint64(1, BigInt(payloadLength)); - } - // first bit indicates whether the payload is plain text (0) or binary (1) - if (packet.data && typeof packet.data !== "string") { - header[0] |= 0x80; - } - controller.enqueue(header); - controller.enqueue(encodedPacket); - }); - } - }); - } - var TEXT_DECODER; - function totalLength(chunks) { - return chunks.reduce(function (acc, chunk) { - return acc + chunk.length; - }, 0); - } - function concatChunks(chunks, size) { - if (chunks[0].length === size) { - return chunks.shift(); - } - var buffer = new Uint8Array(size); - var j = 0; - for (var i = 0; i < size; i++) { - buffer[i] = chunks[0][j++]; - if (j === chunks[0].length) { - chunks.shift(); - j = 0; - } - } - if (chunks.length && j < chunks[0].length) { - chunks[0] = chunks[0].slice(j); - } - return buffer; - } - function createPacketDecoderStream(maxPayload, binaryType) { - if (!TEXT_DECODER) { - TEXT_DECODER = new TextDecoder(); - } - var chunks = []; - var state = 0 /* READ_HEADER */; - var expectedLength = -1; - var isBinary = false; - return new TransformStream({ - transform: function transform(chunk, controller) { - chunks.push(chunk); - while (true) { - if (state === 0 /* READ_HEADER */) { - if (totalLength(chunks) < 1) { - break; - } - var header = concatChunks(chunks, 1); - isBinary = (header[0] & 0x80) === 0x80; - expectedLength = header[0] & 0x7f; - if (expectedLength < 126) { - state = 3 /* READ_PAYLOAD */; - } else if (expectedLength === 126) { - state = 1 /* READ_EXTENDED_LENGTH_16 */; - } else { - state = 2 /* READ_EXTENDED_LENGTH_64 */; - } - } else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) { - if (totalLength(chunks) < 2) { - break; - } - var headerArray = concatChunks(chunks, 2); - expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0); - state = 3 /* READ_PAYLOAD */; - } else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) { - if (totalLength(chunks) < 8) { - break; - } - var _headerArray = concatChunks(chunks, 8); - var view = new DataView(_headerArray.buffer, _headerArray.byteOffset, _headerArray.length); - var n = view.getUint32(0); - if (n > Math.pow(2, 53 - 32) - 1) { - // the maximum safe integer in JavaScript is 2^53 - 1 - controller.enqueue(ERROR_PACKET); - break; - } - expectedLength = n * Math.pow(2, 32) + view.getUint32(4); - state = 3 /* READ_PAYLOAD */; - } else { - if (totalLength(chunks) < expectedLength) { - break; - } - var data = concatChunks(chunks, expectedLength); - controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType)); - state = 0 /* READ_HEADER */; - } - - if (expectedLength === 0 || expectedLength > maxPayload) { - controller.enqueue(ERROR_PACKET); - break; - } - } - } - }); - } - var protocol = 4; - - /** - * Initialize a new `Emitter`. - * - * @api public - */ - - function Emitter(obj) { - if (obj) return mixin(obj); - } - - /** - * Mixin the emitter properties. - * - * @param {Object} obj - * @return {Object} - * @api private - */ - - function mixin(obj) { - for (var key in Emitter.prototype) { - obj[key] = Emitter.prototype[key]; - } - return obj; - } - - /** - * Listen on the given `event` with `fn`. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ - - Emitter.prototype.on = Emitter.prototype.addEventListener = function (event, fn) { - this._callbacks = this._callbacks || {}; - (this._callbacks['$' + event] = this._callbacks['$' + event] || []).push(fn); - return this; - }; - - /** - * Adds an `event` listener that will be invoked a single - * time then automatically removed. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ - - Emitter.prototype.once = function (event, fn) { - function on() { - this.off(event, on); - fn.apply(this, arguments); - } - on.fn = fn; - this.on(event, on); - return this; - }; - - /** - * Remove the given callback for `event` or all - * registered callbacks. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ - - Emitter.prototype.off = Emitter.prototype.removeListener = Emitter.prototype.removeAllListeners = Emitter.prototype.removeEventListener = function (event, fn) { - this._callbacks = this._callbacks || {}; - - // all - if (0 == arguments.length) { - this._callbacks = {}; - return this; - } - - // specific event - var callbacks = this._callbacks['$' + event]; - if (!callbacks) return this; - - // remove all handlers - if (1 == arguments.length) { - delete this._callbacks['$' + event]; - return this; - } - - // remove specific handler - var cb; - for (var i = 0; i < callbacks.length; i++) { - cb = callbacks[i]; - if (cb === fn || cb.fn === fn) { - callbacks.splice(i, 1); - break; - } - } - - // Remove event specific arrays for event types that no - // one is subscribed for to avoid memory leak. - if (callbacks.length === 0) { - delete this._callbacks['$' + event]; - } - return this; - }; - - /** - * Emit `event` with the given args. - * - * @param {String} event - * @param {Mixed} ... - * @return {Emitter} - */ - - Emitter.prototype.emit = function (event) { - this._callbacks = this._callbacks || {}; - var args = new Array(arguments.length - 1), - callbacks = this._callbacks['$' + event]; - for (var i = 1; i < arguments.length; i++) { - args[i - 1] = arguments[i]; - } - if (callbacks) { - callbacks = callbacks.slice(0); - for (var i = 0, len = callbacks.length; i < len; ++i) { - callbacks[i].apply(this, args); - } - } - return this; - }; - - // alias used for reserved events (protected method) - Emitter.prototype.emitReserved = Emitter.prototype.emit; - - /** - * Return array of callbacks for `event`. - * - * @param {String} event - * @return {Array} - * @api public - */ - - Emitter.prototype.listeners = function (event) { - this._callbacks = this._callbacks || {}; - return this._callbacks['$' + event] || []; - }; - - /** - * Check if this emitter has `event` handlers. - * - * @param {String} event - * @return {Boolean} - * @api public - */ - - Emitter.prototype.hasListeners = function (event) { - return !!this.listeners(event).length; - }; - - var globalThisShim = function () { - if (typeof self !== "undefined") { - return self; - } else if (typeof window !== "undefined") { - return window; - } else { - return Function("return this")(); - } - }(); - - function pick(obj) { - for (var _len = arguments.length, attr = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { - attr[_key - 1] = arguments[_key]; - } - return attr.reduce(function (acc, k) { - if (obj.hasOwnProperty(k)) { - acc[k] = obj[k]; - } - return acc; - }, {}); - } - // Keep a reference to the real timeout functions so they can be used when overridden - var NATIVE_SET_TIMEOUT = globalThisShim.setTimeout; - var NATIVE_CLEAR_TIMEOUT = globalThisShim.clearTimeout; - function installTimerFunctions(obj, opts) { - if (opts.useNativeTimers) { - obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThisShim); - obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThisShim); - } else { - obj.setTimeoutFn = globalThisShim.setTimeout.bind(globalThisShim); - obj.clearTimeoutFn = globalThisShim.clearTimeout.bind(globalThisShim); - } - } - // base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64) - var BASE64_OVERHEAD = 1.33; - // we could also have used `new Blob([obj]).size`, but it isn't supported in IE9 - function byteLength(obj) { - if (typeof obj === "string") { - return utf8Length(obj); - } - // arraybuffer or blob - return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD); - } - function utf8Length(str) { - var c = 0, - length = 0; - for (var i = 0, l = str.length; i < l; i++) { - c = str.charCodeAt(i); - if (c < 0x80) { - length += 1; - } else if (c < 0x800) { - length += 2; - } else if (c < 0xd800 || c >= 0xe000) { - length += 3; - } else { - i++; - length += 4; - } - } - return length; - } - - // imported from https://github.com/galkn/querystring - /** - * Compiles a querystring - * Returns string representation of the object - * - * @param {Object} - * @api private - */ - function encode$1(obj) { - var str = ''; - for (var i in obj) { - if (obj.hasOwnProperty(i)) { - if (str.length) str += '&'; - str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]); - } - } - return str; - } - /** - * Parses a simple querystring into an object - * - * @param {String} qs - * @api private - */ - function decode(qs) { - var qry = {}; - var pairs = qs.split('&'); - for (var i = 0, l = pairs.length; i < l; i++) { - var pair = pairs[i].split('='); - qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]); - } - return qry; - } - - var TransportError = /*#__PURE__*/function (_Error) { - _inherits(TransportError, _Error); - var _super = _createSuper(TransportError); - function TransportError(reason, description, context) { - var _this; - _classCallCheck(this, TransportError); - _this = _super.call(this, reason); - _this.description = description; - _this.context = context; - _this.type = "TransportError"; - return _this; - } - return TransportError; - }( /*#__PURE__*/_wrapNativeSuper(Error)); - var Transport = /*#__PURE__*/function (_Emitter) { - _inherits(Transport, _Emitter); - var _super2 = _createSuper(Transport); - /** - * Transport abstract constructor. - * - * @param {Object} opts - options - * @protected - */ - function Transport(opts) { - var _this2; - _classCallCheck(this, Transport); - _this2 = _super2.call(this); - _this2.writable = false; - installTimerFunctions(_assertThisInitialized(_this2), opts); - _this2.opts = opts; - _this2.query = opts.query; - _this2.socket = opts.socket; - return _this2; - } - /** - * Emits an error. - * - * @param {String} reason - * @param description - * @param context - the error context - * @return {Transport} for chaining - * @protected - */ - _createClass(Transport, [{ - key: "onError", - value: function onError(reason, description, context) { - _get(_getPrototypeOf(Transport.prototype), "emitReserved", this).call(this, "error", new TransportError(reason, description, context)); - return this; - } - /** - * Opens the transport. - */ - }, { - key: "open", - value: function open() { - this.readyState = "opening"; - this.doOpen(); - return this; - } - /** - * Closes the transport. - */ - }, { - key: "close", - value: function close() { - if (this.readyState === "opening" || this.readyState === "open") { - this.doClose(); - this.onClose(); - } - return this; - } - /** - * Sends multiple packets. - * - * @param {Array} packets - */ - }, { - key: "send", - value: function send(packets) { - if (this.readyState === "open") { - this.write(packets); - } - } - /** - * Called upon open - * - * @protected - */ - }, { - key: "onOpen", - value: function onOpen() { - this.readyState = "open"; - this.writable = true; - _get(_getPrototypeOf(Transport.prototype), "emitReserved", this).call(this, "open"); - } - /** - * Called with data. - * - * @param {String} data - * @protected - */ - }, { - key: "onData", - value: function onData(data) { - var packet = decodePacket(data, this.socket.binaryType); - this.onPacket(packet); - } - /** - * Called with a decoded packet. - * - * @protected - */ - }, { - key: "onPacket", - value: function onPacket(packet) { - _get(_getPrototypeOf(Transport.prototype), "emitReserved", this).call(this, "packet", packet); - } - /** - * Called upon close. - * - * @protected - */ - }, { - key: "onClose", - value: function onClose(details) { - this.readyState = "closed"; - _get(_getPrototypeOf(Transport.prototype), "emitReserved", this).call(this, "close", details); - } - /** - * Pauses the transport, in order not to lose packets during an upgrade. - * - * @param onPause - */ - }, { - key: "pause", - value: function pause(onPause) {} - }, { - key: "createUri", - value: function createUri(schema) { - var query = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; - return schema + "://" + this._hostname() + this._port() + this.opts.path + this._query(query); - } - }, { - key: "_hostname", - value: function _hostname() { - var hostname = this.opts.hostname; - return hostname.indexOf(":") === -1 ? hostname : "[" + hostname + "]"; - } - }, { - key: "_port", - value: function _port() { - if (this.opts.port && (this.opts.secure && Number(this.opts.port !== 443) || !this.opts.secure && Number(this.opts.port) !== 80)) { - return ":" + this.opts.port; - } else { - return ""; - } - } - }, { - key: "_query", - value: function _query(query) { - var encodedQuery = encode$1(query); - return encodedQuery.length ? "?" + encodedQuery : ""; - } - }]); - return Transport; - }(Emitter); - - // imported from https://github.com/unshiftio/yeast - - var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), - length = 64, - map = {}; - var seed = 0, - i = 0, - prev; - /** - * Return a string representing the specified number. - * - * @param {Number} num The number to convert. - * @returns {String} The string representation of the number. - * @api public - */ - function encode(num) { - var encoded = ''; - do { - encoded = alphabet[num % length] + encoded; - num = Math.floor(num / length); - } while (num > 0); - return encoded; - } - /** - * Yeast: A tiny growing id generator. - * - * @returns {String} A unique id. - * @api public - */ - function yeast() { - var now = encode(+new Date()); - if (now !== prev) return seed = 0, prev = now; - return now + '.' + encode(seed++); - } - // - // Map each character to its index. - // - for (; i < length; i++) { - map[alphabet[i]] = i; - } - - // imported from https://github.com/component/has-cors - var value = false; - try { - value = typeof XMLHttpRequest !== 'undefined' && 'withCredentials' in new XMLHttpRequest(); - } catch (err) { - // if XMLHttp support is disabled in IE then it will throw - // when trying to create - } - var hasCORS = value; - - // browser shim for xmlhttprequest module - function XHR(opts) { - var xdomain = opts.xdomain; - // XMLHttpRequest can be disabled on IE - try { - if ("undefined" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) { - return new XMLHttpRequest(); - } - } catch (e) {} - if (!xdomain) { - try { - return new globalThisShim[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP"); - } catch (e) {} - } - } - function createCookieJar() {} - - function empty() {} - var hasXHR2 = function () { - var xhr = new XHR({ - xdomain: false - }); - return null != xhr.responseType; - }(); - var Polling = /*#__PURE__*/function (_Transport) { - _inherits(Polling, _Transport); - var _super = _createSuper(Polling); - /** - * XHR Polling constructor. - * - * @param {Object} opts - * @package - */ - function Polling(opts) { - var _this; - _classCallCheck(this, Polling); - _this = _super.call(this, opts); - _this.polling = false; - if (typeof location !== "undefined") { - var isSSL = "https:" === location.protocol; - var port = location.port; - // some user agents have empty `location.port` - if (!port) { - port = isSSL ? "443" : "80"; - } - _this.xd = typeof location !== "undefined" && opts.hostname !== location.hostname || port !== opts.port; - } - /** - * XHR supports binary - */ - var forceBase64 = opts && opts.forceBase64; - _this.supportsBinary = hasXHR2 && !forceBase64; - if (_this.opts.withCredentials) { - _this.cookieJar = createCookieJar(); - } - return _this; - } - _createClass(Polling, [{ - key: "doOpen", - /** - * Opens the socket (triggers polling). We write a PING message to determine - * when the transport is open. - * - * @protected - */ - value: function doOpen() { - this.poll(); - } - /** - * Pauses polling. - * - * @param {Function} onPause - callback upon buffers are flushed and transport is paused - * @package - */ - }, { - key: "pause", - value: function pause(onPause) { - var _this2 = this; - this.readyState = "pausing"; - var pause = function pause() { - _this2.readyState = "paused"; - onPause(); - }; - if (this.polling || !this.writable) { - var total = 0; - if (this.polling) { - total++; - this.once("pollComplete", function () { - --total || pause(); - }); - } - if (!this.writable) { - total++; - this.once("drain", function () { - --total || pause(); - }); - } - } else { - pause(); - } - } - /** - * Starts polling cycle. - * - * @private - */ - }, { - key: "poll", - value: function poll() { - this.polling = true; - this.doPoll(); - this.emitReserved("poll"); - } - /** - * Overloads onData to detect payloads. - * - * @protected - */ - }, { - key: "onData", - value: function onData(data) { - var _this3 = this; - var callback = function callback(packet) { - // if its the first message we consider the transport open - if ("opening" === _this3.readyState && packet.type === "open") { - _this3.onOpen(); - } - // if its a close packet, we close the ongoing requests - if ("close" === packet.type) { - _this3.onClose({ - description: "transport closed by the server" - }); - return false; - } - // otherwise bypass onData and handle the message - _this3.onPacket(packet); - }; - // decode payload - decodePayload(data, this.socket.binaryType).forEach(callback); - // if an event did not trigger closing - if ("closed" !== this.readyState) { - // if we got data we're not polling - this.polling = false; - this.emitReserved("pollComplete"); - if ("open" === this.readyState) { - this.poll(); - } - } - } - /** - * For polling, send a close packet. - * - * @protected - */ - }, { - key: "doClose", - value: function doClose() { - var _this4 = this; - var close = function close() { - _this4.write([{ - type: "close" - }]); - }; - if ("open" === this.readyState) { - close(); - } else { - // in case we're trying to close while - // handshaking is in progress (GH-164) - this.once("open", close); - } - } - /** - * Writes a packets payload. - * - * @param {Array} packets - data packets - * @protected - */ - }, { - key: "write", - value: function write(packets) { - var _this5 = this; - this.writable = false; - encodePayload(packets, function (data) { - _this5.doWrite(data, function () { - _this5.writable = true; - _this5.emitReserved("drain"); - }); - }); - } - /** - * Generates uri for connection. - * - * @private - */ - }, { - key: "uri", - value: function uri() { - var schema = this.opts.secure ? "https" : "http"; - var query = this.query || {}; - // cache busting is forced - if (false !== this.opts.timestampRequests) { - query[this.opts.timestampParam] = yeast(); - } - if (!this.supportsBinary && !query.sid) { - query.b64 = 1; - } - return this.createUri(schema, query); - } - /** - * Creates a request. - * - * @param {String} method - * @private - */ - }, { - key: "request", - value: function request() { - var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; - _extends(opts, { - xd: this.xd, - cookieJar: this.cookieJar - }, this.opts); - return new Request(this.uri(), opts); - } - /** - * Sends data. - * - * @param {String} data to send. - * @param {Function} called upon flush. - * @private - */ - }, { - key: "doWrite", - value: function doWrite(data, fn) { - var _this6 = this; - var req = this.request({ - method: "POST", - data: data - }); - req.on("success", fn); - req.on("error", function (xhrStatus, context) { - _this6.onError("xhr post error", xhrStatus, context); - }); - } - /** - * Starts a poll cycle. - * - * @private - */ - }, { - key: "doPoll", - value: function doPoll() { - var _this7 = this; - var req = this.request(); - req.on("data", this.onData.bind(this)); - req.on("error", function (xhrStatus, context) { - _this7.onError("xhr poll error", xhrStatus, context); - }); - this.pollXhr = req; - } - }, { - key: "name", - get: function get() { - return "polling"; - } - }]); - return Polling; - }(Transport); - var Request = /*#__PURE__*/function (_Emitter) { - _inherits(Request, _Emitter); - var _super2 = _createSuper(Request); - /** - * Request constructor - * - * @param {Object} options - * @package - */ - function Request(uri, opts) { - var _this8; - _classCallCheck(this, Request); - _this8 = _super2.call(this); - installTimerFunctions(_assertThisInitialized(_this8), opts); - _this8.opts = opts; - _this8.method = opts.method || "GET"; - _this8.uri = uri; - _this8.data = undefined !== opts.data ? opts.data : null; - _this8.create(); - return _this8; - } - /** - * Creates the XHR object and sends the request. - * - * @private - */ - _createClass(Request, [{ - key: "create", - value: function create() { - var _this9 = this; - var _a; - var opts = pick(this.opts, "agent", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "autoUnref"); - opts.xdomain = !!this.opts.xd; - var xhr = this.xhr = new XHR(opts); - try { - xhr.open(this.method, this.uri, true); - try { - if (this.opts.extraHeaders) { - xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true); - for (var i in this.opts.extraHeaders) { - if (this.opts.extraHeaders.hasOwnProperty(i)) { - xhr.setRequestHeader(i, this.opts.extraHeaders[i]); - } - } - } - } catch (e) {} - if ("POST" === this.method) { - try { - xhr.setRequestHeader("Content-type", "text/plain;charset=UTF-8"); - } catch (e) {} - } - try { - xhr.setRequestHeader("Accept", "*/*"); - } catch (e) {} - (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr); - // ie6 check - if ("withCredentials" in xhr) { - xhr.withCredentials = this.opts.withCredentials; - } - if (this.opts.requestTimeout) { - xhr.timeout = this.opts.requestTimeout; - } - xhr.onreadystatechange = function () { - var _a; - if (xhr.readyState === 3) { - (_a = _this9.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr); - } - if (4 !== xhr.readyState) return; - if (200 === xhr.status || 1223 === xhr.status) { - _this9.onLoad(); - } else { - // make sure the `error` event handler that's user-set - // does not throw in the same tick and gets caught here - _this9.setTimeoutFn(function () { - _this9.onError(typeof xhr.status === "number" ? xhr.status : 0); - }, 0); - } - }; - xhr.send(this.data); - } catch (e) { - // Need to defer since .create() is called directly from the constructor - // and thus the 'error' event can only be only bound *after* this exception - // occurs. Therefore, also, we cannot throw here at all. - this.setTimeoutFn(function () { - _this9.onError(e); - }, 0); - return; - } - if (typeof document !== "undefined") { - this.index = Request.requestsCount++; - Request.requests[this.index] = this; - } - } - /** - * Called upon error. - * - * @private - */ - }, { - key: "onError", - value: function onError(err) { - this.emitReserved("error", err, this.xhr); - this.cleanup(true); - } - /** - * Cleans up house. - * - * @private - */ - }, { - key: "cleanup", - value: function cleanup(fromError) { - if ("undefined" === typeof this.xhr || null === this.xhr) { - return; - } - this.xhr.onreadystatechange = empty; - if (fromError) { - try { - this.xhr.abort(); - } catch (e) {} - } - if (typeof document !== "undefined") { - delete Request.requests[this.index]; - } - this.xhr = null; - } - /** - * Called upon load. - * - * @private - */ - }, { - key: "onLoad", - value: function onLoad() { - var data = this.xhr.responseText; - if (data !== null) { - this.emitReserved("data", data); - this.emitReserved("success"); - this.cleanup(); - } - } - /** - * Aborts the request. - * - * @package - */ - }, { - key: "abort", - value: function abort() { - this.cleanup(); - } - }]); - return Request; - }(Emitter); - Request.requestsCount = 0; - Request.requests = {}; - /** - * Aborts pending requests when unloading the window. This is needed to prevent - * memory leaks (e.g. when using IE) and to ensure that no spurious error is - * emitted. - */ - if (typeof document !== "undefined") { - // @ts-ignore - if (typeof attachEvent === "function") { - // @ts-ignore - attachEvent("onunload", unloadHandler); - } else if (typeof addEventListener === "function") { - var terminationEvent = "onpagehide" in globalThisShim ? "pagehide" : "unload"; - addEventListener(terminationEvent, unloadHandler, false); - } - } - function unloadHandler() { - for (var i in Request.requests) { - if (Request.requests.hasOwnProperty(i)) { - Request.requests[i].abort(); - } - } - } - - var nextTick = function () { - var isPromiseAvailable = typeof Promise === "function" && typeof Promise.resolve === "function"; - if (isPromiseAvailable) { - return function (cb) { - return Promise.resolve().then(cb); - }; - } else { - return function (cb, setTimeoutFn) { - return setTimeoutFn(cb, 0); - }; - } - }(); - var WebSocket = globalThisShim.WebSocket || globalThisShim.MozWebSocket; - var usingBrowserWebSocket = true; - var defaultBinaryType = "arraybuffer"; - - // detect ReactNative environment - var isReactNative = typeof navigator !== "undefined" && typeof navigator.product === "string" && navigator.product.toLowerCase() === "reactnative"; - var WS = /*#__PURE__*/function (_Transport) { - _inherits(WS, _Transport); - var _super = _createSuper(WS); - /** - * WebSocket transport constructor. - * - * @param {Object} opts - connection options - * @protected - */ - function WS(opts) { - var _this; - _classCallCheck(this, WS); - _this = _super.call(this, opts); - _this.supportsBinary = !opts.forceBase64; - return _this; - } - _createClass(WS, [{ - key: "doOpen", - value: function doOpen() { - if (!this.check()) { - // let probe timeout - return; - } - var uri = this.uri(); - var protocols = this.opts.protocols; - // React Native only supports the 'headers' option, and will print a warning if anything else is passed - var opts = isReactNative ? {} : pick(this.opts, "agent", "perMessageDeflate", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "localAddress", "protocolVersion", "origin", "maxPayload", "family", "checkServerIdentity"); - if (this.opts.extraHeaders) { - opts.headers = this.opts.extraHeaders; - } - try { - this.ws = usingBrowserWebSocket && !isReactNative ? protocols ? new WebSocket(uri, protocols) : new WebSocket(uri) : new WebSocket(uri, protocols, opts); - } catch (err) { - return this.emitReserved("error", err); - } - this.ws.binaryType = this.socket.binaryType; - this.addEventListeners(); - } - /** - * Adds event listeners to the socket - * - * @private - */ - }, { - key: "addEventListeners", - value: function addEventListeners() { - var _this2 = this; - this.ws.onopen = function () { - if (_this2.opts.autoUnref) { - _this2.ws._socket.unref(); - } - _this2.onOpen(); - }; - this.ws.onclose = function (closeEvent) { - return _this2.onClose({ - description: "websocket connection closed", - context: closeEvent - }); - }; - this.ws.onmessage = function (ev) { - return _this2.onData(ev.data); - }; - this.ws.onerror = function (e) { - return _this2.onError("websocket error", e); - }; - } - }, { - key: "write", - value: function write(packets) { - var _this3 = this; - this.writable = false; - // encodePacket efficient as it uses WS framing - // no need for encodePayload - var _loop = function _loop(i) { - var packet = packets[i]; - var lastPacket = i === packets.length - 1; - encodePacket(packet, _this3.supportsBinary, function (data) { - // always create a new object (GH-437) - var opts = {}; - // Sometimes the websocket has already been closed but the browser didn't - // have a chance of informing us about it yet, in that case send will - // throw an error - try { - if (usingBrowserWebSocket) { - // TypeError is thrown when passing the second argument on Safari - _this3.ws.send(data); - } - } catch (e) {} - if (lastPacket) { - // fake drain - // defer to next tick to allow Socket to clear writeBuffer - nextTick(function () { - _this3.writable = true; - _this3.emitReserved("drain"); - }, _this3.setTimeoutFn); - } - }); - }; - for (var i = 0; i < packets.length; i++) { - _loop(i); - } - } - }, { - key: "doClose", - value: function doClose() { - if (typeof this.ws !== "undefined") { - this.ws.close(); - this.ws = null; - } - } - /** - * Generates uri for connection. - * - * @private - */ - }, { - key: "uri", - value: function uri() { - var schema = this.opts.secure ? "wss" : "ws"; - var query = this.query || {}; - // append timestamp to URI - if (this.opts.timestampRequests) { - query[this.opts.timestampParam] = yeast(); - } - // communicate binary support capabilities - if (!this.supportsBinary) { - query.b64 = 1; - } - return this.createUri(schema, query); - } - /** - * Feature detection for WebSocket. - * - * @return {Boolean} whether this transport is available. - * @private - */ - }, { - key: "check", - value: function check() { - return !!WebSocket; - } - }, { - key: "name", - get: function get() { - return "websocket"; - } - }]); - return WS; - }(Transport); - - var WT = /*#__PURE__*/function (_Transport) { - _inherits(WT, _Transport); - var _super = _createSuper(WT); - function WT() { - _classCallCheck(this, WT); - return _super.apply(this, arguments); - } - _createClass(WT, [{ - key: "doOpen", - value: function doOpen() { - var _this = this; - // @ts-ignore - if (typeof WebTransport !== "function") { - return; - } - // @ts-ignore - this.transport = new WebTransport(this.createUri("https"), this.opts.transportOptions[this.name]); - this.transport.closed.then(function () { - _this.onClose(); - })["catch"](function (err) { - _this.onError("webtransport error", err); - }); - // note: we could have used async/await, but that would require some additional polyfills - this.transport.ready.then(function () { - _this.transport.createBidirectionalStream().then(function (stream) { - var decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, _this.socket.binaryType); - var reader = stream.readable.pipeThrough(decoderStream).getReader(); - var encoderStream = createPacketEncoderStream(); - encoderStream.readable.pipeTo(stream.writable); - _this.writer = encoderStream.writable.getWriter(); - var read = function read() { - reader.read().then(function (_ref) { - var done = _ref.done, - value = _ref.value; - if (done) { - return; - } - _this.onPacket(value); - read(); - })["catch"](function (err) {}); - }; - read(); - var packet = { - type: "open" - }; - if (_this.query.sid) { - packet.data = "{\"sid\":\"".concat(_this.query.sid, "\"}"); - } - _this.writer.write(packet).then(function () { - return _this.onOpen(); - }); - }); - }); - } - }, { - key: "write", - value: function write(packets) { - var _this2 = this; - this.writable = false; - var _loop = function _loop(i) { - var packet = packets[i]; - var lastPacket = i === packets.length - 1; - _this2.writer.write(packet).then(function () { - if (lastPacket) { - nextTick(function () { - _this2.writable = true; - _this2.emitReserved("drain"); - }, _this2.setTimeoutFn); - } - }); - }; - for (var i = 0; i < packets.length; i++) { - _loop(i); - } - } - }, { - key: "doClose", - value: function doClose() { - var _a; - (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close(); - } - }, { - key: "name", - get: function get() { - return "webtransport"; - } - }]); - return WT; - }(Transport); - - var transports = { - websocket: WS, - webtransport: WT, - polling: Polling - }; - - // imported from https://github.com/galkn/parseuri - /** - * Parses a URI - * - * Note: we could also have used the built-in URL object, but it isn't supported on all platforms. - * - * See: - * - https://developer.mozilla.org/en-US/docs/Web/API/URL - * - https://caniuse.com/url - * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B - * - * History of the parse() method: - * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c - * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3 - * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242 - * - * @author Steven Levithan (MIT license) - * @api private - */ - var re = /^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/; - var parts = ['source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor']; - function parse(str) { - if (str.length > 2000) { - throw "URI too long"; - } - var src = str, - b = str.indexOf('['), - e = str.indexOf(']'); - if (b != -1 && e != -1) { - str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length); - } - var m = re.exec(str || ''), - uri = {}, - i = 14; - while (i--) { - uri[parts[i]] = m[i] || ''; - } - if (b != -1 && e != -1) { - uri.source = src; - uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':'); - uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':'); - uri.ipv6uri = true; - } - uri.pathNames = pathNames(uri, uri['path']); - uri.queryKey = queryKey(uri, uri['query']); - return uri; - } - function pathNames(obj, path) { - var regx = /\/{2,9}/g, - names = path.replace(regx, "/").split("/"); - if (path.slice(0, 1) == '/' || path.length === 0) { - names.splice(0, 1); - } - if (path.slice(-1) == '/') { - names.splice(names.length - 1, 1); - } - return names; - } - function queryKey(uri, query) { - var data = {}; - query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) { - if ($1) { - data[$1] = $2; - } - }); - return data; - } - - var Socket = /*#__PURE__*/function (_Emitter) { - _inherits(Socket, _Emitter); - var _super = _createSuper(Socket); - /** - * Socket constructor. - * - * @param {String|Object} uri - uri or options - * @param {Object} opts - options - */ - function Socket(uri) { - var _this; - var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; - _classCallCheck(this, Socket); - _this = _super.call(this); - _this.binaryType = defaultBinaryType; - _this.writeBuffer = []; - if (uri && "object" === _typeof(uri)) { - opts = uri; - uri = null; - } - if (uri) { - uri = parse(uri); - opts.hostname = uri.host; - opts.secure = uri.protocol === "https" || uri.protocol === "wss"; - opts.port = uri.port; - if (uri.query) opts.query = uri.query; - } else if (opts.host) { - opts.hostname = parse(opts.host).host; - } - installTimerFunctions(_assertThisInitialized(_this), opts); - _this.secure = null != opts.secure ? opts.secure : typeof location !== "undefined" && "https:" === location.protocol; - if (opts.hostname && !opts.port) { - // if no port is specified manually, use the protocol default - opts.port = _this.secure ? "443" : "80"; - } - _this.hostname = opts.hostname || (typeof location !== "undefined" ? location.hostname : "localhost"); - _this.port = opts.port || (typeof location !== "undefined" && location.port ? location.port : _this.secure ? "443" : "80"); - _this.transports = opts.transports || ["polling", "websocket", "webtransport"]; - _this.writeBuffer = []; - _this.prevBufferLen = 0; - _this.opts = _extends({ - path: "/engine.io", - agent: false, - withCredentials: false, - upgrade: true, - timestampParam: "t", - rememberUpgrade: false, - addTrailingSlash: true, - rejectUnauthorized: true, - perMessageDeflate: { - threshold: 1024 - }, - transportOptions: {}, - closeOnBeforeunload: false - }, opts); - _this.opts.path = _this.opts.path.replace(/\/$/, "") + (_this.opts.addTrailingSlash ? "/" : ""); - if (typeof _this.opts.query === "string") { - _this.opts.query = decode(_this.opts.query); - } - // set on handshake - _this.id = null; - _this.upgrades = null; - _this.pingInterval = null; - _this.pingTimeout = null; - // set on heartbeat - _this.pingTimeoutTimer = null; - if (typeof addEventListener === "function") { - if (_this.opts.closeOnBeforeunload) { - // Firefox closes the connection when the "beforeunload" event is emitted but not Chrome. This event listener - // ensures every browser behaves the same (no "disconnect" event at the Socket.IO level when the page is - // closed/reloaded) - _this.beforeunloadEventListener = function () { - if (_this.transport) { - // silently close the transport - _this.transport.removeAllListeners(); - _this.transport.close(); - } - }; - addEventListener("beforeunload", _this.beforeunloadEventListener, false); - } - if (_this.hostname !== "localhost") { - _this.offlineEventListener = function () { - _this.onClose("transport close", { - description: "network connection lost" - }); - }; - addEventListener("offline", _this.offlineEventListener, false); - } - } - _this.open(); - return _this; - } - /** - * Creates transport of the given type. - * - * @param {String} name - transport name - * @return {Transport} - * @private - */ - _createClass(Socket, [{ - key: "createTransport", - value: function createTransport(name) { - var query = _extends({}, this.opts.query); - // append engine.io protocol identifier - query.EIO = protocol; - // transport name - query.transport = name; - // session id if we already have one - if (this.id) query.sid = this.id; - var opts = _extends({}, this.opts, { - query: query, - socket: this, - hostname: this.hostname, - secure: this.secure, - port: this.port - }, this.opts.transportOptions[name]); - return new transports[name](opts); - } - /** - * Initializes transport to use and starts probe. - * - * @private - */ - }, { - key: "open", - value: function open() { - var _this2 = this; - var transport; - if (this.opts.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf("websocket") !== -1) { - transport = "websocket"; - } else if (0 === this.transports.length) { - // Emit error on next tick so it can be listened to - this.setTimeoutFn(function () { - _this2.emitReserved("error", "No transports available"); - }, 0); - return; - } else { - transport = this.transports[0]; - } - this.readyState = "opening"; - // Retry with the next transport if the transport is disabled (jsonp: false) - try { - transport = this.createTransport(transport); - } catch (e) { - this.transports.shift(); - this.open(); - return; - } - transport.open(); - this.setTransport(transport); - } - /** - * Sets the current transport. Disables the existing one (if any). - * - * @private - */ - }, { - key: "setTransport", - value: function setTransport(transport) { - var _this3 = this; - if (this.transport) { - this.transport.removeAllListeners(); - } - // set up transport - this.transport = transport; - // set up transport listeners - transport.on("drain", this.onDrain.bind(this)).on("packet", this.onPacket.bind(this)).on("error", this.onError.bind(this)).on("close", function (reason) { - return _this3.onClose("transport close", reason); - }); - } - /** - * Probes a transport. - * - * @param {String} name - transport name - * @private - */ - }, { - key: "probe", - value: function probe(name) { - var _this4 = this; - var transport = this.createTransport(name); - var failed = false; - Socket.priorWebsocketSuccess = false; - var onTransportOpen = function onTransportOpen() { - if (failed) return; - transport.send([{ - type: "ping", - data: "probe" - }]); - transport.once("packet", function (msg) { - if (failed) return; - if ("pong" === msg.type && "probe" === msg.data) { - _this4.upgrading = true; - _this4.emitReserved("upgrading", transport); - if (!transport) return; - Socket.priorWebsocketSuccess = "websocket" === transport.name; - _this4.transport.pause(function () { - if (failed) return; - if ("closed" === _this4.readyState) return; - cleanup(); - _this4.setTransport(transport); - transport.send([{ - type: "upgrade" - }]); - _this4.emitReserved("upgrade", transport); - transport = null; - _this4.upgrading = false; - _this4.flush(); - }); - } else { - var err = new Error("probe error"); - // @ts-ignore - err.transport = transport.name; - _this4.emitReserved("upgradeError", err); - } - }); - }; - function freezeTransport() { - if (failed) return; - // Any callback called by transport should be ignored since now - failed = true; - cleanup(); - transport.close(); - transport = null; - } - // Handle any error that happens while probing - var onerror = function onerror(err) { - var error = new Error("probe error: " + err); - // @ts-ignore - error.transport = transport.name; - freezeTransport(); - _this4.emitReserved("upgradeError", error); - }; - function onTransportClose() { - onerror("transport closed"); - } - // When the socket is closed while we're probing - function onclose() { - onerror("socket closed"); - } - // When the socket is upgraded while we're probing - function onupgrade(to) { - if (transport && to.name !== transport.name) { - freezeTransport(); - } - } - // Remove all listeners on the transport and on self - var cleanup = function cleanup() { - transport.removeListener("open", onTransportOpen); - transport.removeListener("error", onerror); - transport.removeListener("close", onTransportClose); - _this4.off("close", onclose); - _this4.off("upgrading", onupgrade); - }; - transport.once("open", onTransportOpen); - transport.once("error", onerror); - transport.once("close", onTransportClose); - this.once("close", onclose); - this.once("upgrading", onupgrade); - if (this.upgrades.indexOf("webtransport") !== -1 && name !== "webtransport") { - // favor WebTransport - this.setTimeoutFn(function () { - if (!failed) { - transport.open(); - } - }, 200); - } else { - transport.open(); - } - } - /** - * Called when connection is deemed open. - * - * @private - */ - }, { - key: "onOpen", - value: function onOpen() { - this.readyState = "open"; - Socket.priorWebsocketSuccess = "websocket" === this.transport.name; - this.emitReserved("open"); - this.flush(); - // we check for `readyState` in case an `open` - // listener already closed the socket - if ("open" === this.readyState && this.opts.upgrade) { - var i = 0; - var l = this.upgrades.length; - for (; i < l; i++) { - this.probe(this.upgrades[i]); - } - } - } - /** - * Handles a packet. - * - * @private - */ - }, { - key: "onPacket", - value: function onPacket(packet) { - if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) { - this.emitReserved("packet", packet); - // Socket is live - any packet counts - this.emitReserved("heartbeat"); - this.resetPingTimeout(); - switch (packet.type) { - case "open": - this.onHandshake(JSON.parse(packet.data)); - break; - case "ping": - this.sendPacket("pong"); - this.emitReserved("ping"); - this.emitReserved("pong"); - break; - case "error": - var err = new Error("server error"); - // @ts-ignore - err.code = packet.data; - this.onError(err); - break; - case "message": - this.emitReserved("data", packet.data); - this.emitReserved("message", packet.data); - break; - } - } - } - /** - * Called upon handshake completion. - * - * @param {Object} data - handshake obj - * @private - */ - }, { - key: "onHandshake", - value: function onHandshake(data) { - this.emitReserved("handshake", data); - this.id = data.sid; - this.transport.query.sid = data.sid; - this.upgrades = this.filterUpgrades(data.upgrades); - this.pingInterval = data.pingInterval; - this.pingTimeout = data.pingTimeout; - this.maxPayload = data.maxPayload; - this.onOpen(); - // In case open handler closes socket - if ("closed" === this.readyState) return; - this.resetPingTimeout(); - } - /** - * Sets and resets ping timeout timer based on server pings. - * - * @private - */ - }, { - key: "resetPingTimeout", - value: function resetPingTimeout() { - var _this5 = this; - this.clearTimeoutFn(this.pingTimeoutTimer); - this.pingTimeoutTimer = this.setTimeoutFn(function () { - _this5.onClose("ping timeout"); - }, this.pingInterval + this.pingTimeout); - if (this.opts.autoUnref) { - this.pingTimeoutTimer.unref(); - } - } - /** - * Called on `drain` event - * - * @private - */ - }, { - key: "onDrain", - value: function onDrain() { - this.writeBuffer.splice(0, this.prevBufferLen); - // setting prevBufferLen = 0 is very important - // for example, when upgrading, upgrade packet is sent over, - // and a nonzero prevBufferLen could cause problems on `drain` - this.prevBufferLen = 0; - if (0 === this.writeBuffer.length) { - this.emitReserved("drain"); - } else { - this.flush(); - } - } - /** - * Flush write buffers. - * - * @private - */ - }, { - key: "flush", - value: function flush() { - if ("closed" !== this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) { - var packets = this.getWritablePackets(); - this.transport.send(packets); - // keep track of current length of writeBuffer - // splice writeBuffer and callbackBuffer on `drain` - this.prevBufferLen = packets.length; - this.emitReserved("flush"); - } - } - /** - * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP - * long-polling) - * - * @private - */ - }, { - key: "getWritablePackets", - value: function getWritablePackets() { - var shouldCheckPayloadSize = this.maxPayload && this.transport.name === "polling" && this.writeBuffer.length > 1; - if (!shouldCheckPayloadSize) { - return this.writeBuffer; - } - var payloadSize = 1; // first packet type - for (var i = 0; i < this.writeBuffer.length; i++) { - var data = this.writeBuffer[i].data; - if (data) { - payloadSize += byteLength(data); - } - if (i > 0 && payloadSize > this.maxPayload) { - return this.writeBuffer.slice(0, i); - } - payloadSize += 2; // separator + packet type - } - - return this.writeBuffer; - } - /** - * Sends a message. - * - * @param {String} msg - message. - * @param {Object} options. - * @param {Function} callback function. - * @return {Socket} for chaining. - */ - }, { - key: "write", - value: function write(msg, options, fn) { - this.sendPacket("message", msg, options, fn); - return this; - } - }, { - key: "send", - value: function send(msg, options, fn) { - this.sendPacket("message", msg, options, fn); - return this; - } - /** - * Sends a packet. - * - * @param {String} type: packet type. - * @param {String} data. - * @param {Object} options. - * @param {Function} fn - callback function. - * @private - */ - }, { - key: "sendPacket", - value: function sendPacket(type, data, options, fn) { - if ("function" === typeof data) { - fn = data; - data = undefined; - } - if ("function" === typeof options) { - fn = options; - options = null; - } - if ("closing" === this.readyState || "closed" === this.readyState) { - return; - } - options = options || {}; - options.compress = false !== options.compress; - var packet = { - type: type, - data: data, - options: options - }; - this.emitReserved("packetCreate", packet); - this.writeBuffer.push(packet); - if (fn) this.once("flush", fn); - this.flush(); - } - /** - * Closes the connection. - */ - }, { - key: "close", - value: function close() { - var _this6 = this; - var close = function close() { - _this6.onClose("forced close"); - _this6.transport.close(); - }; - var cleanupAndClose = function cleanupAndClose() { - _this6.off("upgrade", cleanupAndClose); - _this6.off("upgradeError", cleanupAndClose); - close(); - }; - var waitForUpgrade = function waitForUpgrade() { - // wait for upgrade to finish since we can't send packets while pausing a transport - _this6.once("upgrade", cleanupAndClose); - _this6.once("upgradeError", cleanupAndClose); - }; - if ("opening" === this.readyState || "open" === this.readyState) { - this.readyState = "closing"; - if (this.writeBuffer.length) { - this.once("drain", function () { - if (_this6.upgrading) { - waitForUpgrade(); - } else { - close(); - } - }); - } else if (this.upgrading) { - waitForUpgrade(); - } else { - close(); - } - } - return this; - } - /** - * Called upon transport error - * - * @private - */ - }, { - key: "onError", - value: function onError(err) { - Socket.priorWebsocketSuccess = false; - this.emitReserved("error", err); - this.onClose("transport error", err); - } - /** - * Called upon transport close. - * - * @private - */ - }, { - key: "onClose", - value: function onClose(reason, description) { - if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) { - // clear timers - this.clearTimeoutFn(this.pingTimeoutTimer); - // stop event from firing again for transport - this.transport.removeAllListeners("close"); - // ensure transport won't stay open - this.transport.close(); - // ignore further transport communication - this.transport.removeAllListeners(); - if (typeof removeEventListener === "function") { - removeEventListener("beforeunload", this.beforeunloadEventListener, false); - removeEventListener("offline", this.offlineEventListener, false); - } - // set ready state - this.readyState = "closed"; - // clear session id - this.id = null; - // emit close event - this.emitReserved("close", reason, description); - // clean buffers after, so users can still - // grab the buffers on `close` event - this.writeBuffer = []; - this.prevBufferLen = 0; - } - } - /** - * Filters upgrades, returning only those matching client transports. - * - * @param {Array} upgrades - server upgrades - * @private - */ - }, { - key: "filterUpgrades", - value: function filterUpgrades(upgrades) { - var filteredUpgrades = []; - var i = 0; - var j = upgrades.length; - for (; i < j; i++) { - if (~this.transports.indexOf(upgrades[i])) filteredUpgrades.push(upgrades[i]); - } - return filteredUpgrades; - } - }]); - return Socket; - }(Emitter); - Socket.protocol = protocol; - - var browserEntrypoint = (function (uri, opts) { - return new Socket(uri, opts); - }); - - return browserEntrypoint; - -})); -//# sourceMappingURL=engine.io.js.map diff --git a/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.js.map b/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.js.map deleted file mode 100644 index dc52d206..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/dist/engine.io.js.map +++ /dev/null @@ -1 +0,0 @@ -{"version":3,"file":"engine.io.js","sources":["../node_modules/engine.io-parser/build/esm/commons.js","../node_modules/engine.io-parser/build/esm/encodePacket.browser.js","../node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.js","../node_modules/engine.io-parser/build/esm/decodePacket.browser.js","../node_modules/engine.io-parser/build/esm/index.js","../node_modules/@socket.io/component-emitter/index.mjs","../build/esm/globalThis.browser.js","../build/esm/util.js","../build/esm/contrib/parseqs.js","../build/esm/transport.js","../build/esm/contrib/yeast.js","../build/esm/contrib/has-cors.js","../build/esm/transports/xmlhttprequest.browser.js","../build/esm/transports/polling.js","../build/esm/transports/websocket-constructor.browser.js","../build/esm/transports/websocket.js","../build/esm/transports/webtransport.js","../build/esm/transports/index.js","../build/esm/contrib/parseuri.js","../build/esm/socket.js","../build/esm/browser-entrypoint.js"],"sourcesContent":["const PACKET_TYPES = Object.create(null); // no Map = no polyfill\nPACKET_TYPES[\"open\"] = \"0\";\nPACKET_TYPES[\"close\"] = \"1\";\nPACKET_TYPES[\"ping\"] = \"2\";\nPACKET_TYPES[\"pong\"] = \"3\";\nPACKET_TYPES[\"message\"] = \"4\";\nPACKET_TYPES[\"upgrade\"] = \"5\";\nPACKET_TYPES[\"noop\"] = \"6\";\nconst PACKET_TYPES_REVERSE = Object.create(null);\nObject.keys(PACKET_TYPES).forEach(key => {\n PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;\n});\nconst ERROR_PACKET = { type: \"error\", data: \"parser error\" };\nexport { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET };\n","import { PACKET_TYPES } from \"./commons.js\";\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n Object.prototype.toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\n// ArrayBuffer.isView method is not defined in IE10\nconst isView = obj => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj && obj.buffer instanceof ArrayBuffer;\n};\nconst encodePacket = ({ type, data }, supportsBinary, callback) => {\n if (withNativeBlob && data instanceof Blob) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(data, callback);\n }\n }\n else if (withNativeArrayBuffer &&\n (data instanceof ArrayBuffer || isView(data))) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(new Blob([data]), callback);\n }\n }\n // plain string\n return callback(PACKET_TYPES[type] + (data || \"\"));\n};\nconst encodeBlobAsBase64 = (data, callback) => {\n const fileReader = new FileReader();\n fileReader.onload = function () {\n const content = fileReader.result.split(\",\")[1];\n callback(\"b\" + (content || \"\"));\n };\n return fileReader.readAsDataURL(data);\n};\nfunction toArray(data) {\n if (data instanceof Uint8Array) {\n return data;\n }\n else if (data instanceof ArrayBuffer) {\n return new Uint8Array(data);\n }\n else {\n return new Uint8Array(data.buffer, data.byteOffset, data.byteLength);\n }\n}\nlet TEXT_ENCODER;\nexport function encodePacketToBinary(packet, callback) {\n if (withNativeBlob && packet.data instanceof Blob) {\n return packet.data\n .arrayBuffer()\n .then(toArray)\n .then(callback);\n }\n else if (withNativeArrayBuffer &&\n (packet.data instanceof ArrayBuffer || isView(packet.data))) {\n return callback(toArray(packet.data));\n }\n encodePacket(packet, false, encoded => {\n if (!TEXT_ENCODER) {\n TEXT_ENCODER = new TextEncoder();\n }\n callback(TEXT_ENCODER.encode(encoded));\n });\n}\nexport { encodePacket };\n","// imported from https://github.com/socketio/base64-arraybuffer\nconst chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\n// Use a lookup table to find the index.\nconst lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256);\nfor (let i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n}\nexport const encode = (arraybuffer) => {\n let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = '';\n for (i = 0; i < len; i += 3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n if (len % 3 === 2) {\n base64 = base64.substring(0, base64.length - 1) + '=';\n }\n else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + '==';\n }\n return base64;\n};\nexport const decode = (base64) => {\n let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;\n if (base64[base64.length - 1] === '=') {\n bufferLength--;\n if (base64[base64.length - 2] === '=') {\n bufferLength--;\n }\n }\n const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);\n for (i = 0; i < len; i += 4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i + 1)];\n encoded3 = lookup[base64.charCodeAt(i + 2)];\n encoded4 = lookup[base64.charCodeAt(i + 3)];\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n return arraybuffer;\n};\n","import { ERROR_PACKET, PACKET_TYPES_REVERSE } from \"./commons.js\";\nimport { decode } from \"./contrib/base64-arraybuffer.js\";\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nexport const decodePacket = (encodedPacket, binaryType) => {\n if (typeof encodedPacket !== \"string\") {\n return {\n type: \"message\",\n data: mapBinary(encodedPacket, binaryType)\n };\n }\n const type = encodedPacket.charAt(0);\n if (type === \"b\") {\n return {\n type: \"message\",\n data: decodeBase64Packet(encodedPacket.substring(1), binaryType)\n };\n }\n const packetType = PACKET_TYPES_REVERSE[type];\n if (!packetType) {\n return ERROR_PACKET;\n }\n return encodedPacket.length > 1\n ? {\n type: PACKET_TYPES_REVERSE[type],\n data: encodedPacket.substring(1)\n }\n : {\n type: PACKET_TYPES_REVERSE[type]\n };\n};\nconst decodeBase64Packet = (data, binaryType) => {\n if (withNativeArrayBuffer) {\n const decoded = decode(data);\n return mapBinary(decoded, binaryType);\n }\n else {\n return { base64: true, data }; // fallback for old browsers\n }\n};\nconst mapBinary = (data, binaryType) => {\n switch (binaryType) {\n case \"blob\":\n if (data instanceof Blob) {\n // from WebSocket + binaryType \"blob\"\n return data;\n }\n else {\n // from HTTP long-polling or WebTransport\n return new Blob([data]);\n }\n case \"arraybuffer\":\n default:\n if (data instanceof ArrayBuffer) {\n // from HTTP long-polling (base64) or WebSocket + binaryType \"arraybuffer\"\n return data;\n }\n else {\n // from WebTransport (Uint8Array)\n return data.buffer;\n }\n }\n};\n","import { encodePacket, encodePacketToBinary } from \"./encodePacket.js\";\nimport { decodePacket } from \"./decodePacket.js\";\nimport { ERROR_PACKET } from \"./commons.js\";\nconst SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text\nconst encodePayload = (packets, callback) => {\n // some packets may be added to the array while encoding, so the initial length must be saved\n const length = packets.length;\n const encodedPackets = new Array(length);\n let count = 0;\n packets.forEach((packet, i) => {\n // force base64 encoding for binary packets\n encodePacket(packet, false, encodedPacket => {\n encodedPackets[i] = encodedPacket;\n if (++count === length) {\n callback(encodedPackets.join(SEPARATOR));\n }\n });\n });\n};\nconst decodePayload = (encodedPayload, binaryType) => {\n const encodedPackets = encodedPayload.split(SEPARATOR);\n const packets = [];\n for (let i = 0; i < encodedPackets.length; i++) {\n const decodedPacket = decodePacket(encodedPackets[i], binaryType);\n packets.push(decodedPacket);\n if (decodedPacket.type === \"error\") {\n break;\n }\n }\n return packets;\n};\nexport function createPacketEncoderStream() {\n return new TransformStream({\n transform(packet, controller) {\n encodePacketToBinary(packet, encodedPacket => {\n const payloadLength = encodedPacket.length;\n let header;\n // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length\n if (payloadLength < 126) {\n header = new Uint8Array(1);\n new DataView(header.buffer).setUint8(0, payloadLength);\n }\n else if (payloadLength < 65536) {\n header = new Uint8Array(3);\n const view = new DataView(header.buffer);\n view.setUint8(0, 126);\n view.setUint16(1, payloadLength);\n }\n else {\n header = new Uint8Array(9);\n const view = new DataView(header.buffer);\n view.setUint8(0, 127);\n view.setBigUint64(1, BigInt(payloadLength));\n }\n // first bit indicates whether the payload is plain text (0) or binary (1)\n if (packet.data && typeof packet.data !== \"string\") {\n header[0] |= 0x80;\n }\n controller.enqueue(header);\n controller.enqueue(encodedPacket);\n });\n }\n });\n}\nlet TEXT_DECODER;\nfunction totalLength(chunks) {\n return chunks.reduce((acc, chunk) => acc + chunk.length, 0);\n}\nfunction concatChunks(chunks, size) {\n if (chunks[0].length === size) {\n return chunks.shift();\n }\n const buffer = new Uint8Array(size);\n let j = 0;\n for (let i = 0; i < size; i++) {\n buffer[i] = chunks[0][j++];\n if (j === chunks[0].length) {\n chunks.shift();\n j = 0;\n }\n }\n if (chunks.length && j < chunks[0].length) {\n chunks[0] = chunks[0].slice(j);\n }\n return buffer;\n}\nexport function createPacketDecoderStream(maxPayload, binaryType) {\n if (!TEXT_DECODER) {\n TEXT_DECODER = new TextDecoder();\n }\n const chunks = [];\n let state = 0 /* READ_HEADER */;\n let expectedLength = -1;\n let isBinary = false;\n return new TransformStream({\n transform(chunk, controller) {\n chunks.push(chunk);\n while (true) {\n if (state === 0 /* READ_HEADER */) {\n if (totalLength(chunks) < 1) {\n break;\n }\n const header = concatChunks(chunks, 1);\n isBinary = (header[0] & 0x80) === 0x80;\n expectedLength = header[0] & 0x7f;\n if (expectedLength < 126) {\n state = 3 /* READ_PAYLOAD */;\n }\n else if (expectedLength === 126) {\n state = 1 /* READ_EXTENDED_LENGTH_16 */;\n }\n else {\n state = 2 /* READ_EXTENDED_LENGTH_64 */;\n }\n }\n else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) {\n if (totalLength(chunks) < 2) {\n break;\n }\n const headerArray = concatChunks(chunks, 2);\n expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0);\n state = 3 /* READ_PAYLOAD */;\n }\n else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) {\n if (totalLength(chunks) < 8) {\n break;\n }\n const headerArray = concatChunks(chunks, 8);\n const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length);\n const n = view.getUint32(0);\n if (n > Math.pow(2, 53 - 32) - 1) {\n // the maximum safe integer in JavaScript is 2^53 - 1\n controller.enqueue(ERROR_PACKET);\n break;\n }\n expectedLength = n * Math.pow(2, 32) + view.getUint32(4);\n state = 3 /* READ_PAYLOAD */;\n }\n else {\n if (totalLength(chunks) < expectedLength) {\n break;\n }\n const data = concatChunks(chunks, expectedLength);\n controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType));\n state = 0 /* READ_HEADER */;\n }\n if (expectedLength === 0 || expectedLength > maxPayload) {\n controller.enqueue(ERROR_PACKET);\n break;\n }\n }\n }\n });\n}\nexport const protocol = 4;\nexport { encodePacket, encodePayload, decodePacket, decodePayload };\n","/**\n * Initialize a new `Emitter`.\n *\n * @api public\n */\n\nexport function Emitter(obj) {\n if (obj) return mixin(obj);\n}\n\n/**\n * Mixin the emitter properties.\n *\n * @param {Object} obj\n * @return {Object}\n * @api private\n */\n\nfunction mixin(obj) {\n for (var key in Emitter.prototype) {\n obj[key] = Emitter.prototype[key];\n }\n return obj;\n}\n\n/**\n * Listen on the given `event` with `fn`.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.on =\nEmitter.prototype.addEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\n .push(fn);\n return this;\n};\n\n/**\n * Adds an `event` listener that will be invoked a single\n * time then automatically removed.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.once = function(event, fn){\n function on() {\n this.off(event, on);\n fn.apply(this, arguments);\n }\n\n on.fn = fn;\n this.on(event, on);\n return this;\n};\n\n/**\n * Remove the given callback for `event` or all\n * registered callbacks.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.off =\nEmitter.prototype.removeListener =\nEmitter.prototype.removeAllListeners =\nEmitter.prototype.removeEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n\n // all\n if (0 == arguments.length) {\n this._callbacks = {};\n return this;\n }\n\n // specific event\n var callbacks = this._callbacks['$' + event];\n if (!callbacks) return this;\n\n // remove all handlers\n if (1 == arguments.length) {\n delete this._callbacks['$' + event];\n return this;\n }\n\n // remove specific handler\n var cb;\n for (var i = 0; i < callbacks.length; i++) {\n cb = callbacks[i];\n if (cb === fn || cb.fn === fn) {\n callbacks.splice(i, 1);\n break;\n }\n }\n\n // Remove event specific arrays for event types that no\n // one is subscribed for to avoid memory leak.\n if (callbacks.length === 0) {\n delete this._callbacks['$' + event];\n }\n\n return this;\n};\n\n/**\n * Emit `event` with the given args.\n *\n * @param {String} event\n * @param {Mixed} ...\n * @return {Emitter}\n */\n\nEmitter.prototype.emit = function(event){\n this._callbacks = this._callbacks || {};\n\n var args = new Array(arguments.length - 1)\n , callbacks = this._callbacks['$' + event];\n\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n\n if (callbacks) {\n callbacks = callbacks.slice(0);\n for (var i = 0, len = callbacks.length; i < len; ++i) {\n callbacks[i].apply(this, args);\n }\n }\n\n return this;\n};\n\n// alias used for reserved events (protected method)\nEmitter.prototype.emitReserved = Emitter.prototype.emit;\n\n/**\n * Return array of callbacks for `event`.\n *\n * @param {String} event\n * @return {Array}\n * @api public\n */\n\nEmitter.prototype.listeners = function(event){\n this._callbacks = this._callbacks || {};\n return this._callbacks['$' + event] || [];\n};\n\n/**\n * Check if this emitter has `event` handlers.\n *\n * @param {String} event\n * @return {Boolean}\n * @api public\n */\n\nEmitter.prototype.hasListeners = function(event){\n return !! this.listeners(event).length;\n};\n","export const globalThisShim = (() => {\n if (typeof self !== \"undefined\") {\n return self;\n }\n else if (typeof window !== \"undefined\") {\n return window;\n }\n else {\n return Function(\"return this\")();\n }\n})();\n","import { globalThisShim as globalThis } from \"./globalThis.js\";\nexport function pick(obj, ...attr) {\n return attr.reduce((acc, k) => {\n if (obj.hasOwnProperty(k)) {\n acc[k] = obj[k];\n }\n return acc;\n }, {});\n}\n// Keep a reference to the real timeout functions so they can be used when overridden\nconst NATIVE_SET_TIMEOUT = globalThis.setTimeout;\nconst NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout;\nexport function installTimerFunctions(obj, opts) {\n if (opts.useNativeTimers) {\n obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis);\n obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis);\n }\n else {\n obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis);\n obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis);\n }\n}\n// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64)\nconst BASE64_OVERHEAD = 1.33;\n// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9\nexport function byteLength(obj) {\n if (typeof obj === \"string\") {\n return utf8Length(obj);\n }\n // arraybuffer or blob\n return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD);\n}\nfunction utf8Length(str) {\n let c = 0, length = 0;\n for (let i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n length += 1;\n }\n else if (c < 0x800) {\n length += 2;\n }\n else if (c < 0xd800 || c >= 0xe000) {\n length += 3;\n }\n else {\n i++;\n length += 4;\n }\n }\n return length;\n}\n","// imported from https://github.com/galkn/querystring\n/**\n * Compiles a querystring\n * Returns string representation of the object\n *\n * @param {Object}\n * @api private\n */\nexport function encode(obj) {\n let str = '';\n for (let i in obj) {\n if (obj.hasOwnProperty(i)) {\n if (str.length)\n str += '&';\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\n }\n }\n return str;\n}\n/**\n * Parses a simple querystring into an object\n *\n * @param {String} qs\n * @api private\n */\nexport function decode(qs) {\n let qry = {};\n let pairs = qs.split('&');\n for (let i = 0, l = pairs.length; i < l; i++) {\n let pair = pairs[i].split('=');\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n }\n return qry;\n}\n","import { decodePacket } from \"engine.io-parser\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions } from \"./util.js\";\nimport { encode } from \"./contrib/parseqs.js\";\nexport class TransportError extends Error {\n constructor(reason, description, context) {\n super(reason);\n this.description = description;\n this.context = context;\n this.type = \"TransportError\";\n }\n}\nexport class Transport extends Emitter {\n /**\n * Transport abstract constructor.\n *\n * @param {Object} opts - options\n * @protected\n */\n constructor(opts) {\n super();\n this.writable = false;\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.query = opts.query;\n this.socket = opts.socket;\n }\n /**\n * Emits an error.\n *\n * @param {String} reason\n * @param description\n * @param context - the error context\n * @return {Transport} for chaining\n * @protected\n */\n onError(reason, description, context) {\n super.emitReserved(\"error\", new TransportError(reason, description, context));\n return this;\n }\n /**\n * Opens the transport.\n */\n open() {\n this.readyState = \"opening\";\n this.doOpen();\n return this;\n }\n /**\n * Closes the transport.\n */\n close() {\n if (this.readyState === \"opening\" || this.readyState === \"open\") {\n this.doClose();\n this.onClose();\n }\n return this;\n }\n /**\n * Sends multiple packets.\n *\n * @param {Array} packets\n */\n send(packets) {\n if (this.readyState === \"open\") {\n this.write(packets);\n }\n else {\n // this might happen if the transport was silently closed in the beforeunload event handler\n }\n }\n /**\n * Called upon open\n *\n * @protected\n */\n onOpen() {\n this.readyState = \"open\";\n this.writable = true;\n super.emitReserved(\"open\");\n }\n /**\n * Called with data.\n *\n * @param {String} data\n * @protected\n */\n onData(data) {\n const packet = decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n }\n /**\n * Called with a decoded packet.\n *\n * @protected\n */\n onPacket(packet) {\n super.emitReserved(\"packet\", packet);\n }\n /**\n * Called upon close.\n *\n * @protected\n */\n onClose(details) {\n this.readyState = \"closed\";\n super.emitReserved(\"close\", details);\n }\n /**\n * Pauses the transport, in order not to lose packets during an upgrade.\n *\n * @param onPause\n */\n pause(onPause) { }\n createUri(schema, query = {}) {\n return (schema +\n \"://\" +\n this._hostname() +\n this._port() +\n this.opts.path +\n this._query(query));\n }\n _hostname() {\n const hostname = this.opts.hostname;\n return hostname.indexOf(\":\") === -1 ? hostname : \"[\" + hostname + \"]\";\n }\n _port() {\n if (this.opts.port &&\n ((this.opts.secure && Number(this.opts.port !== 443)) ||\n (!this.opts.secure && Number(this.opts.port) !== 80))) {\n return \":\" + this.opts.port;\n }\n else {\n return \"\";\n }\n }\n _query(query) {\n const encodedQuery = encode(query);\n return encodedQuery.length ? \"?\" + encodedQuery : \"\";\n }\n}\n","// imported from https://github.com/unshiftio/yeast\n'use strict';\nconst alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {};\nlet seed = 0, i = 0, prev;\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nexport function encode(num) {\n let encoded = '';\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n return encoded;\n}\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nexport function decode(str) {\n let decoded = 0;\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n return decoded;\n}\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nexport function yeast() {\n const now = encode(+new Date());\n if (now !== prev)\n return seed = 0, prev = now;\n return now + '.' + encode(seed++);\n}\n//\n// Map each character to its index.\n//\nfor (; i < length; i++)\n map[alphabet[i]] = i;\n","// imported from https://github.com/component/has-cors\nlet value = false;\ntry {\n value = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n}\ncatch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n}\nexport const hasCORS = value;\n","// browser shim for xmlhttprequest module\nimport { hasCORS } from \"../contrib/has-cors.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nexport function XHR(opts) {\n const xdomain = opts.xdomain;\n // XMLHttpRequest can be disabled on IE\n try {\n if (\"undefined\" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n }\n catch (e) { }\n if (!xdomain) {\n try {\n return new globalThis[[\"Active\"].concat(\"Object\").join(\"X\")](\"Microsoft.XMLHTTP\");\n }\n catch (e) { }\n }\n}\nexport function createCookieJar() { }\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { encodePayload, decodePayload } from \"engine.io-parser\";\nimport { createCookieJar, XHR as XMLHttpRequest, } from \"./xmlhttprequest.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions, pick } from \"../util.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nfunction empty() { }\nconst hasXHR2 = (function () {\n const xhr = new XMLHttpRequest({\n xdomain: false,\n });\n return null != xhr.responseType;\n})();\nexport class Polling extends Transport {\n /**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @package\n */\n constructor(opts) {\n super(opts);\n this.polling = false;\n if (typeof location !== \"undefined\") {\n const isSSL = \"https:\" === location.protocol;\n let port = location.port;\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? \"443\" : \"80\";\n }\n this.xd =\n (typeof location !== \"undefined\" &&\n opts.hostname !== location.hostname) ||\n port !== opts.port;\n }\n /**\n * XHR supports binary\n */\n const forceBase64 = opts && opts.forceBase64;\n this.supportsBinary = hasXHR2 && !forceBase64;\n if (this.opts.withCredentials) {\n this.cookieJar = createCookieJar();\n }\n }\n get name() {\n return \"polling\";\n }\n /**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @protected\n */\n doOpen() {\n this.poll();\n }\n /**\n * Pauses polling.\n *\n * @param {Function} onPause - callback upon buffers are flushed and transport is paused\n * @package\n */\n pause(onPause) {\n this.readyState = \"pausing\";\n const pause = () => {\n this.readyState = \"paused\";\n onPause();\n };\n if (this.polling || !this.writable) {\n let total = 0;\n if (this.polling) {\n total++;\n this.once(\"pollComplete\", function () {\n --total || pause();\n });\n }\n if (!this.writable) {\n total++;\n this.once(\"drain\", function () {\n --total || pause();\n });\n }\n }\n else {\n pause();\n }\n }\n /**\n * Starts polling cycle.\n *\n * @private\n */\n poll() {\n this.polling = true;\n this.doPoll();\n this.emitReserved(\"poll\");\n }\n /**\n * Overloads onData to detect payloads.\n *\n * @protected\n */\n onData(data) {\n const callback = (packet) => {\n // if its the first message we consider the transport open\n if (\"opening\" === this.readyState && packet.type === \"open\") {\n this.onOpen();\n }\n // if its a close packet, we close the ongoing requests\n if (\"close\" === packet.type) {\n this.onClose({ description: \"transport closed by the server\" });\n return false;\n }\n // otherwise bypass onData and handle the message\n this.onPacket(packet);\n };\n // decode payload\n decodePayload(data, this.socket.binaryType).forEach(callback);\n // if an event did not trigger closing\n if (\"closed\" !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emitReserved(\"pollComplete\");\n if (\"open\" === this.readyState) {\n this.poll();\n }\n else {\n }\n }\n }\n /**\n * For polling, send a close packet.\n *\n * @protected\n */\n doClose() {\n const close = () => {\n this.write([{ type: \"close\" }]);\n };\n if (\"open\" === this.readyState) {\n close();\n }\n else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n this.once(\"open\", close);\n }\n }\n /**\n * Writes a packets payload.\n *\n * @param {Array} packets - data packets\n * @protected\n */\n write(packets) {\n this.writable = false;\n encodePayload(packets, (data) => {\n this.doWrite(data, () => {\n this.writable = true;\n this.emitReserved(\"drain\");\n });\n });\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"https\" : \"http\";\n const query = this.query || {};\n // cache busting is forced\n if (false !== this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Creates a request.\n *\n * @param {String} method\n * @private\n */\n request(opts = {}) {\n Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts);\n return new Request(this.uri(), opts);\n }\n /**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @private\n */\n doWrite(data, fn) {\n const req = this.request({\n method: \"POST\",\n data: data,\n });\n req.on(\"success\", fn);\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr post error\", xhrStatus, context);\n });\n }\n /**\n * Starts a poll cycle.\n *\n * @private\n */\n doPoll() {\n const req = this.request();\n req.on(\"data\", this.onData.bind(this));\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr poll error\", xhrStatus, context);\n });\n this.pollXhr = req;\n }\n}\nexport class Request extends Emitter {\n /**\n * Request constructor\n *\n * @param {Object} options\n * @package\n */\n constructor(uri, opts) {\n super();\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.method = opts.method || \"GET\";\n this.uri = uri;\n this.data = undefined !== opts.data ? opts.data : null;\n this.create();\n }\n /**\n * Creates the XHR object and sends the request.\n *\n * @private\n */\n create() {\n var _a;\n const opts = pick(this.opts, \"agent\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"autoUnref\");\n opts.xdomain = !!this.opts.xd;\n const xhr = (this.xhr = new XMLHttpRequest(opts));\n try {\n xhr.open(this.method, this.uri, true);\n try {\n if (this.opts.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (let i in this.opts.extraHeaders) {\n if (this.opts.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.opts.extraHeaders[i]);\n }\n }\n }\n }\n catch (e) { }\n if (\"POST\" === this.method) {\n try {\n xhr.setRequestHeader(\"Content-type\", \"text/plain;charset=UTF-8\");\n }\n catch (e) { }\n }\n try {\n xhr.setRequestHeader(\"Accept\", \"*/*\");\n }\n catch (e) { }\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr);\n // ie6 check\n if (\"withCredentials\" in xhr) {\n xhr.withCredentials = this.opts.withCredentials;\n }\n if (this.opts.requestTimeout) {\n xhr.timeout = this.opts.requestTimeout;\n }\n xhr.onreadystatechange = () => {\n var _a;\n if (xhr.readyState === 3) {\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr);\n }\n if (4 !== xhr.readyState)\n return;\n if (200 === xhr.status || 1223 === xhr.status) {\n this.onLoad();\n }\n else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n this.setTimeoutFn(() => {\n this.onError(typeof xhr.status === \"number\" ? xhr.status : 0);\n }, 0);\n }\n };\n xhr.send(this.data);\n }\n catch (e) {\n // Need to defer since .create() is called directly from the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n this.setTimeoutFn(() => {\n this.onError(e);\n }, 0);\n return;\n }\n if (typeof document !== \"undefined\") {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n }\n /**\n * Called upon error.\n *\n * @private\n */\n onError(err) {\n this.emitReserved(\"error\", err, this.xhr);\n this.cleanup(true);\n }\n /**\n * Cleans up house.\n *\n * @private\n */\n cleanup(fromError) {\n if (\"undefined\" === typeof this.xhr || null === this.xhr) {\n return;\n }\n this.xhr.onreadystatechange = empty;\n if (fromError) {\n try {\n this.xhr.abort();\n }\n catch (e) { }\n }\n if (typeof document !== \"undefined\") {\n delete Request.requests[this.index];\n }\n this.xhr = null;\n }\n /**\n * Called upon load.\n *\n * @private\n */\n onLoad() {\n const data = this.xhr.responseText;\n if (data !== null) {\n this.emitReserved(\"data\", data);\n this.emitReserved(\"success\");\n this.cleanup();\n }\n }\n /**\n * Aborts the request.\n *\n * @package\n */\n abort() {\n this.cleanup();\n }\n}\nRequest.requestsCount = 0;\nRequest.requests = {};\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\nif (typeof document !== \"undefined\") {\n // @ts-ignore\n if (typeof attachEvent === \"function\") {\n // @ts-ignore\n attachEvent(\"onunload\", unloadHandler);\n }\n else if (typeof addEventListener === \"function\") {\n const terminationEvent = \"onpagehide\" in globalThis ? \"pagehide\" : \"unload\";\n addEventListener(terminationEvent, unloadHandler, false);\n }\n}\nfunction unloadHandler() {\n for (let i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n","import { globalThisShim as globalThis } from \"../globalThis.js\";\nexport const nextTick = (() => {\n const isPromiseAvailable = typeof Promise === \"function\" && typeof Promise.resolve === \"function\";\n if (isPromiseAvailable) {\n return (cb) => Promise.resolve().then(cb);\n }\n else {\n return (cb, setTimeoutFn) => setTimeoutFn(cb, 0);\n }\n})();\nexport const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket;\nexport const usingBrowserWebSocket = true;\nexport const defaultBinaryType = \"arraybuffer\";\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { pick } from \"../util.js\";\nimport { nextTick, usingBrowserWebSocket, WebSocket, } from \"./websocket-constructor.js\";\nimport { encodePacket } from \"engine.io-parser\";\n// detect ReactNative environment\nconst isReactNative = typeof navigator !== \"undefined\" &&\n typeof navigator.product === \"string\" &&\n navigator.product.toLowerCase() === \"reactnative\";\nexport class WS extends Transport {\n /**\n * WebSocket transport constructor.\n *\n * @param {Object} opts - connection options\n * @protected\n */\n constructor(opts) {\n super(opts);\n this.supportsBinary = !opts.forceBase64;\n }\n get name() {\n return \"websocket\";\n }\n doOpen() {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n const uri = this.uri();\n const protocols = this.opts.protocols;\n // React Native only supports the 'headers' option, and will print a warning if anything else is passed\n const opts = isReactNative\n ? {}\n : pick(this.opts, \"agent\", \"perMessageDeflate\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"localAddress\", \"protocolVersion\", \"origin\", \"maxPayload\", \"family\", \"checkServerIdentity\");\n if (this.opts.extraHeaders) {\n opts.headers = this.opts.extraHeaders;\n }\n try {\n this.ws =\n usingBrowserWebSocket && !isReactNative\n ? protocols\n ? new WebSocket(uri, protocols)\n : new WebSocket(uri)\n : new WebSocket(uri, protocols, opts);\n }\n catch (err) {\n return this.emitReserved(\"error\", err);\n }\n this.ws.binaryType = this.socket.binaryType;\n this.addEventListeners();\n }\n /**\n * Adds event listeners to the socket\n *\n * @private\n */\n addEventListeners() {\n this.ws.onopen = () => {\n if (this.opts.autoUnref) {\n this.ws._socket.unref();\n }\n this.onOpen();\n };\n this.ws.onclose = (closeEvent) => this.onClose({\n description: \"websocket connection closed\",\n context: closeEvent,\n });\n this.ws.onmessage = (ev) => this.onData(ev.data);\n this.ws.onerror = (e) => this.onError(\"websocket error\", e);\n }\n write(packets) {\n this.writable = false;\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n encodePacket(packet, this.supportsBinary, (data) => {\n // always create a new object (GH-437)\n const opts = {};\n if (!usingBrowserWebSocket) {\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n if (this.opts.perMessageDeflate) {\n const len = \n // @ts-ignore\n \"string\" === typeof data ? Buffer.byteLength(data) : data.length;\n if (len < this.opts.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n this.ws.send(data);\n }\n else {\n this.ws.send(data, opts);\n }\n }\n catch (e) {\n }\n if (lastPacket) {\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n if (typeof this.ws !== \"undefined\") {\n this.ws.close();\n this.ws = null;\n }\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"wss\" : \"ws\";\n const query = this.query || {};\n // append timestamp to URI\n if (this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @private\n */\n check() {\n return !!WebSocket;\n }\n}\n","import { Transport } from \"../transport.js\";\nimport { nextTick } from \"./websocket-constructor.js\";\nimport { createPacketDecoderStream, createPacketEncoderStream, } from \"engine.io-parser\";\nexport class WT extends Transport {\n get name() {\n return \"webtransport\";\n }\n doOpen() {\n // @ts-ignore\n if (typeof WebTransport !== \"function\") {\n return;\n }\n // @ts-ignore\n this.transport = new WebTransport(this.createUri(\"https\"), this.opts.transportOptions[this.name]);\n this.transport.closed\n .then(() => {\n this.onClose();\n })\n .catch((err) => {\n this.onError(\"webtransport error\", err);\n });\n // note: we could have used async/await, but that would require some additional polyfills\n this.transport.ready.then(() => {\n this.transport.createBidirectionalStream().then((stream) => {\n const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType);\n const reader = stream.readable.pipeThrough(decoderStream).getReader();\n const encoderStream = createPacketEncoderStream();\n encoderStream.readable.pipeTo(stream.writable);\n this.writer = encoderStream.writable.getWriter();\n const read = () => {\n reader\n .read()\n .then(({ done, value }) => {\n if (done) {\n return;\n }\n this.onPacket(value);\n read();\n })\n .catch((err) => {\n });\n };\n read();\n const packet = { type: \"open\" };\n if (this.query.sid) {\n packet.data = `{\"sid\":\"${this.query.sid}\"}`;\n }\n this.writer.write(packet).then(() => this.onOpen());\n });\n });\n }\n write(packets) {\n this.writable = false;\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n this.writer.write(packet).then(() => {\n if (lastPacket) {\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n var _a;\n (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close();\n }\n}\n","import { Polling } from \"./polling.js\";\nimport { WS } from \"./websocket.js\";\nimport { WT } from \"./webtransport.js\";\nexport const transports = {\n websocket: WS,\n webtransport: WT,\n polling: Polling,\n};\n","// imported from https://github.com/galkn/parseuri\n/**\n * Parses a URI\n *\n * Note: we could also have used the built-in URL object, but it isn't supported on all platforms.\n *\n * See:\n * - https://developer.mozilla.org/en-US/docs/Web/API/URL\n * - https://caniuse.com/url\n * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B\n *\n * History of the parse() method:\n * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c\n * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3\n * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242\n *\n * @author Steven Levithan (MIT license)\n * @api private\n */\nconst re = /^(?:(?![^:@\\/?#]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@\\/?#]*)(?::([^:@\\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\nconst parts = [\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\n];\nexport function parse(str) {\n if (str.length > 2000) {\n throw \"URI too long\";\n }\n const src = str, b = str.indexOf('['), e = str.indexOf(']');\n if (b != -1 && e != -1) {\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\n }\n let m = re.exec(str || ''), uri = {}, i = 14;\n while (i--) {\n uri[parts[i]] = m[i] || '';\n }\n if (b != -1 && e != -1) {\n uri.source = src;\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\n uri.ipv6uri = true;\n }\n uri.pathNames = pathNames(uri, uri['path']);\n uri.queryKey = queryKey(uri, uri['query']);\n return uri;\n}\nfunction pathNames(obj, path) {\n const regx = /\\/{2,9}/g, names = path.replace(regx, \"/\").split(\"/\");\n if (path.slice(0, 1) == '/' || path.length === 0) {\n names.splice(0, 1);\n }\n if (path.slice(-1) == '/') {\n names.splice(names.length - 1, 1);\n }\n return names;\n}\nfunction queryKey(uri, query) {\n const data = {};\n query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {\n if ($1) {\n data[$1] = $2;\n }\n });\n return data;\n}\n","import { transports } from \"./transports/index.js\";\nimport { installTimerFunctions, byteLength } from \"./util.js\";\nimport { decode } from \"./contrib/parseqs.js\";\nimport { parse } from \"./contrib/parseuri.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { protocol } from \"engine.io-parser\";\nimport { defaultBinaryType } from \"./transports/websocket-constructor.js\";\nexport class Socket extends Emitter {\n /**\n * Socket constructor.\n *\n * @param {String|Object} uri - uri or options\n * @param {Object} opts - options\n */\n constructor(uri, opts = {}) {\n super();\n this.binaryType = defaultBinaryType;\n this.writeBuffer = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = null;\n }\n if (uri) {\n uri = parse(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === \"https\" || uri.protocol === \"wss\";\n opts.port = uri.port;\n if (uri.query)\n opts.query = uri.query;\n }\n else if (opts.host) {\n opts.hostname = parse(opts.host).host;\n }\n installTimerFunctions(this, opts);\n this.secure =\n null != opts.secure\n ? opts.secure\n : typeof location !== \"undefined\" && \"https:\" === location.protocol;\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? \"443\" : \"80\";\n }\n this.hostname =\n opts.hostname ||\n (typeof location !== \"undefined\" ? location.hostname : \"localhost\");\n this.port =\n opts.port ||\n (typeof location !== \"undefined\" && location.port\n ? location.port\n : this.secure\n ? \"443\"\n : \"80\");\n this.transports = opts.transports || [\n \"polling\",\n \"websocket\",\n \"webtransport\",\n ];\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.opts = Object.assign({\n path: \"/engine.io\",\n agent: false,\n withCredentials: false,\n upgrade: true,\n timestampParam: \"t\",\n rememberUpgrade: false,\n addTrailingSlash: true,\n rejectUnauthorized: true,\n perMessageDeflate: {\n threshold: 1024,\n },\n transportOptions: {},\n closeOnBeforeunload: false,\n }, opts);\n this.opts.path =\n this.opts.path.replace(/\\/$/, \"\") +\n (this.opts.addTrailingSlash ? \"/\" : \"\");\n if (typeof this.opts.query === \"string\") {\n this.opts.query = decode(this.opts.query);\n }\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n // set on heartbeat\n this.pingTimeoutTimer = null;\n if (typeof addEventListener === \"function\") {\n if (this.opts.closeOnBeforeunload) {\n // Firefox closes the connection when the \"beforeunload\" event is emitted but not Chrome. This event listener\n // ensures every browser behaves the same (no \"disconnect\" event at the Socket.IO level when the page is\n // closed/reloaded)\n this.beforeunloadEventListener = () => {\n if (this.transport) {\n // silently close the transport\n this.transport.removeAllListeners();\n this.transport.close();\n }\n };\n addEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n }\n if (this.hostname !== \"localhost\") {\n this.offlineEventListener = () => {\n this.onClose(\"transport close\", {\n description: \"network connection lost\",\n });\n };\n addEventListener(\"offline\", this.offlineEventListener, false);\n }\n }\n this.open();\n }\n /**\n * Creates transport of the given type.\n *\n * @param {String} name - transport name\n * @return {Transport}\n * @private\n */\n createTransport(name) {\n const query = Object.assign({}, this.opts.query);\n // append engine.io protocol identifier\n query.EIO = protocol;\n // transport name\n query.transport = name;\n // session id if we already have one\n if (this.id)\n query.sid = this.id;\n const opts = Object.assign({}, this.opts, {\n query,\n socket: this,\n hostname: this.hostname,\n secure: this.secure,\n port: this.port,\n }, this.opts.transportOptions[name]);\n return new transports[name](opts);\n }\n /**\n * Initializes transport to use and starts probe.\n *\n * @private\n */\n open() {\n let transport;\n if (this.opts.rememberUpgrade &&\n Socket.priorWebsocketSuccess &&\n this.transports.indexOf(\"websocket\") !== -1) {\n transport = \"websocket\";\n }\n else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n this.setTimeoutFn(() => {\n this.emitReserved(\"error\", \"No transports available\");\n }, 0);\n return;\n }\n else {\n transport = this.transports[0];\n }\n this.readyState = \"opening\";\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n }\n catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n transport.open();\n this.setTransport(transport);\n }\n /**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @private\n */\n setTransport(transport) {\n if (this.transport) {\n this.transport.removeAllListeners();\n }\n // set up transport\n this.transport = transport;\n // set up transport listeners\n transport\n .on(\"drain\", this.onDrain.bind(this))\n .on(\"packet\", this.onPacket.bind(this))\n .on(\"error\", this.onError.bind(this))\n .on(\"close\", (reason) => this.onClose(\"transport close\", reason));\n }\n /**\n * Probes a transport.\n *\n * @param {String} name - transport name\n * @private\n */\n probe(name) {\n let transport = this.createTransport(name);\n let failed = false;\n Socket.priorWebsocketSuccess = false;\n const onTransportOpen = () => {\n if (failed)\n return;\n transport.send([{ type: \"ping\", data: \"probe\" }]);\n transport.once(\"packet\", (msg) => {\n if (failed)\n return;\n if (\"pong\" === msg.type && \"probe\" === msg.data) {\n this.upgrading = true;\n this.emitReserved(\"upgrading\", transport);\n if (!transport)\n return;\n Socket.priorWebsocketSuccess = \"websocket\" === transport.name;\n this.transport.pause(() => {\n if (failed)\n return;\n if (\"closed\" === this.readyState)\n return;\n cleanup();\n this.setTransport(transport);\n transport.send([{ type: \"upgrade\" }]);\n this.emitReserved(\"upgrade\", transport);\n transport = null;\n this.upgrading = false;\n this.flush();\n });\n }\n else {\n const err = new Error(\"probe error\");\n // @ts-ignore\n err.transport = transport.name;\n this.emitReserved(\"upgradeError\", err);\n }\n });\n };\n function freezeTransport() {\n if (failed)\n return;\n // Any callback called by transport should be ignored since now\n failed = true;\n cleanup();\n transport.close();\n transport = null;\n }\n // Handle any error that happens while probing\n const onerror = (err) => {\n const error = new Error(\"probe error: \" + err);\n // @ts-ignore\n error.transport = transport.name;\n freezeTransport();\n this.emitReserved(\"upgradeError\", error);\n };\n function onTransportClose() {\n onerror(\"transport closed\");\n }\n // When the socket is closed while we're probing\n function onclose() {\n onerror(\"socket closed\");\n }\n // When the socket is upgraded while we're probing\n function onupgrade(to) {\n if (transport && to.name !== transport.name) {\n freezeTransport();\n }\n }\n // Remove all listeners on the transport and on self\n const cleanup = () => {\n transport.removeListener(\"open\", onTransportOpen);\n transport.removeListener(\"error\", onerror);\n transport.removeListener(\"close\", onTransportClose);\n this.off(\"close\", onclose);\n this.off(\"upgrading\", onupgrade);\n };\n transport.once(\"open\", onTransportOpen);\n transport.once(\"error\", onerror);\n transport.once(\"close\", onTransportClose);\n this.once(\"close\", onclose);\n this.once(\"upgrading\", onupgrade);\n if (this.upgrades.indexOf(\"webtransport\") !== -1 &&\n name !== \"webtransport\") {\n // favor WebTransport\n this.setTimeoutFn(() => {\n if (!failed) {\n transport.open();\n }\n }, 200);\n }\n else {\n transport.open();\n }\n }\n /**\n * Called when connection is deemed open.\n *\n * @private\n */\n onOpen() {\n this.readyState = \"open\";\n Socket.priorWebsocketSuccess = \"websocket\" === this.transport.name;\n this.emitReserved(\"open\");\n this.flush();\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if (\"open\" === this.readyState && this.opts.upgrade) {\n let i = 0;\n const l = this.upgrades.length;\n for (; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n }\n /**\n * Handles a packet.\n *\n * @private\n */\n onPacket(packet) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n this.emitReserved(\"packet\", packet);\n // Socket is live - any packet counts\n this.emitReserved(\"heartbeat\");\n this.resetPingTimeout();\n switch (packet.type) {\n case \"open\":\n this.onHandshake(JSON.parse(packet.data));\n break;\n case \"ping\":\n this.sendPacket(\"pong\");\n this.emitReserved(\"ping\");\n this.emitReserved(\"pong\");\n break;\n case \"error\":\n const err = new Error(\"server error\");\n // @ts-ignore\n err.code = packet.data;\n this.onError(err);\n break;\n case \"message\":\n this.emitReserved(\"data\", packet.data);\n this.emitReserved(\"message\", packet.data);\n break;\n }\n }\n else {\n }\n }\n /**\n * Called upon handshake completion.\n *\n * @param {Object} data - handshake obj\n * @private\n */\n onHandshake(data) {\n this.emitReserved(\"handshake\", data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.maxPayload = data.maxPayload;\n this.onOpen();\n // In case open handler closes socket\n if (\"closed\" === this.readyState)\n return;\n this.resetPingTimeout();\n }\n /**\n * Sets and resets ping timeout timer based on server pings.\n *\n * @private\n */\n resetPingTimeout() {\n this.clearTimeoutFn(this.pingTimeoutTimer);\n this.pingTimeoutTimer = this.setTimeoutFn(() => {\n this.onClose(\"ping timeout\");\n }, this.pingInterval + this.pingTimeout);\n if (this.opts.autoUnref) {\n this.pingTimeoutTimer.unref();\n }\n }\n /**\n * Called on `drain` event\n *\n * @private\n */\n onDrain() {\n this.writeBuffer.splice(0, this.prevBufferLen);\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n if (0 === this.writeBuffer.length) {\n this.emitReserved(\"drain\");\n }\n else {\n this.flush();\n }\n }\n /**\n * Flush write buffers.\n *\n * @private\n */\n flush() {\n if (\"closed\" !== this.readyState &&\n this.transport.writable &&\n !this.upgrading &&\n this.writeBuffer.length) {\n const packets = this.getWritablePackets();\n this.transport.send(packets);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = packets.length;\n this.emitReserved(\"flush\");\n }\n }\n /**\n * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP\n * long-polling)\n *\n * @private\n */\n getWritablePackets() {\n const shouldCheckPayloadSize = this.maxPayload &&\n this.transport.name === \"polling\" &&\n this.writeBuffer.length > 1;\n if (!shouldCheckPayloadSize) {\n return this.writeBuffer;\n }\n let payloadSize = 1; // first packet type\n for (let i = 0; i < this.writeBuffer.length; i++) {\n const data = this.writeBuffer[i].data;\n if (data) {\n payloadSize += byteLength(data);\n }\n if (i > 0 && payloadSize > this.maxPayload) {\n return this.writeBuffer.slice(0, i);\n }\n payloadSize += 2; // separator + packet type\n }\n return this.writeBuffer;\n }\n /**\n * Sends a message.\n *\n * @param {String} msg - message.\n * @param {Object} 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this.writeBuffer}},{key:"write",value:function(e,t,r){return this.sendPacket("message",e,t,r),this}},{key:"send",value:function(e,t,r){return this.sendPacket("message",e,t,r),this}},{key:"sendPacket",value:function(e,t,r,n){if("function"==typeof t&&(n=t,t=void 0),"function"==typeof r&&(n=r,r=null),"closing"!==this.readyState&&"closed"!==this.readyState){(r=r||{}).compress=!1!==r.compress;var o={type:e,data:t,options:r};this.emitReserved("packetCreate",o),this.writeBuffer.push(o),n&&this.once("flush",n),this.flush()}}},{key:"close",value:function(){var e=this,t=function(){e.onClose("forced close"),e.transport.close()},r=function 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removeEventListener&&(removeEventListener("beforeunload",this.beforeunloadEventListener,!1),removeEventListener("offline",this.offlineEventListener,!1)),this.readyState="closed",this.id=null,this.emitReserved("close",e,t),this.writeBuffer=[],this.prevBufferLen=0)}},{key:"filterUpgrades",value:function(e){for(var t=[],r=0,n=e.length;r {\n PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;\n});\nconst ERROR_PACKET = { type: \"error\", data: \"parser error\" };\nexport { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET };\n","import { PACKET_TYPES } from \"./commons.js\";\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n Object.prototype.toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\n// ArrayBuffer.isView method is not defined in IE10\nconst isView = obj => {\n return typeof ArrayBuffer.isView === \"function\"\n ? 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[] : new Uint8Array(256);\nfor (let i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n}\nexport const encode = (arraybuffer) => {\n let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = '';\n for (i = 0; i < len; i += 3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n if (len % 3 === 2) {\n base64 = base64.substring(0, base64.length - 1) + '=';\n }\n else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + '==';\n }\n return base64;\n};\nexport const decode = (base64) => {\n let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;\n if (base64[base64.length - 1] === '=') {\n bufferLength--;\n if (base64[base64.length - 2] === '=') {\n bufferLength--;\n }\n }\n const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);\n for (i = 0; i < len; i += 4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i + 1)];\n encoded3 = lookup[base64.charCodeAt(i + 2)];\n encoded4 = lookup[base64.charCodeAt(i + 3)];\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n return arraybuffer;\n};\n","import { encodePacket, encodePacketToBinary } from \"./encodePacket.js\";\nimport { decodePacket } from \"./decodePacket.js\";\nimport { ERROR_PACKET } from \"./commons.js\";\nconst SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text\nconst encodePayload = (packets, callback) => {\n // some packets may be added to the array while encoding, so the initial length must be saved\n const length = packets.length;\n const encodedPackets = new Array(length);\n let count = 0;\n packets.forEach((packet, i) => {\n // force base64 encoding for binary packets\n encodePacket(packet, false, encodedPacket => {\n encodedPackets[i] = encodedPacket;\n if (++count === length) {\n callback(encodedPackets.join(SEPARATOR));\n }\n });\n });\n};\nconst decodePayload = (encodedPayload, binaryType) => {\n const encodedPackets = encodedPayload.split(SEPARATOR);\n const packets = [];\n for (let i = 0; i < encodedPackets.length; i++) {\n const decodedPacket = decodePacket(encodedPackets[i], binaryType);\n packets.push(decodedPacket);\n if (decodedPacket.type === \"error\") {\n break;\n }\n }\n return packets;\n};\nexport function createPacketEncoderStream() {\n return new TransformStream({\n transform(packet, controller) {\n encodePacketToBinary(packet, encodedPacket => {\n const payloadLength = encodedPacket.length;\n let header;\n // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length\n if (payloadLength < 126) {\n header = new Uint8Array(1);\n new DataView(header.buffer).setUint8(0, payloadLength);\n }\n else if (payloadLength < 65536) {\n header = new Uint8Array(3);\n const view = new DataView(header.buffer);\n view.setUint8(0, 126);\n view.setUint16(1, payloadLength);\n }\n else {\n header = new Uint8Array(9);\n const view = new DataView(header.buffer);\n view.setUint8(0, 127);\n view.setBigUint64(1, BigInt(payloadLength));\n }\n // first bit indicates whether the payload is plain text (0) or binary (1)\n if (packet.data && typeof packet.data !== \"string\") {\n header[0] |= 0x80;\n }\n controller.enqueue(header);\n controller.enqueue(encodedPacket);\n });\n }\n });\n}\nlet TEXT_DECODER;\nfunction totalLength(chunks) {\n return chunks.reduce((acc, chunk) => acc + chunk.length, 0);\n}\nfunction concatChunks(chunks, size) {\n if (chunks[0].length === size) {\n return chunks.shift();\n }\n const buffer = new Uint8Array(size);\n let j = 0;\n for (let i = 0; i < size; i++) {\n buffer[i] = chunks[0][j++];\n if (j === chunks[0].length) {\n chunks.shift();\n j = 0;\n }\n }\n if (chunks.length && j < chunks[0].length) {\n chunks[0] = chunks[0].slice(j);\n }\n return buffer;\n}\nexport function createPacketDecoderStream(maxPayload, binaryType) {\n if (!TEXT_DECODER) {\n TEXT_DECODER = new TextDecoder();\n }\n const chunks = [];\n let state = 0 /* READ_HEADER */;\n let expectedLength = -1;\n let isBinary = false;\n return new TransformStream({\n transform(chunk, controller) {\n chunks.push(chunk);\n while (true) {\n if (state === 0 /* READ_HEADER */) {\n if (totalLength(chunks) < 1) {\n break;\n }\n const header = concatChunks(chunks, 1);\n isBinary = (header[0] & 0x80) === 0x80;\n expectedLength = header[0] & 0x7f;\n if (expectedLength < 126) {\n state = 3 /* READ_PAYLOAD */;\n }\n else if (expectedLength === 126) {\n state = 1 /* READ_EXTENDED_LENGTH_16 */;\n }\n else {\n state = 2 /* READ_EXTENDED_LENGTH_64 */;\n }\n }\n else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) {\n if (totalLength(chunks) < 2) {\n break;\n }\n const headerArray = concatChunks(chunks, 2);\n expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0);\n state = 3 /* READ_PAYLOAD */;\n }\n else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) {\n if (totalLength(chunks) < 8) {\n break;\n }\n const headerArray = concatChunks(chunks, 8);\n const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length);\n const n = view.getUint32(0);\n if (n > Math.pow(2, 53 - 32) - 1) {\n // the maximum safe integer in JavaScript is 2^53 - 1\n controller.enqueue(ERROR_PACKET);\n break;\n }\n expectedLength = n * Math.pow(2, 32) + view.getUint32(4);\n state = 3 /* READ_PAYLOAD */;\n }\n else {\n if (totalLength(chunks) < expectedLength) {\n break;\n }\n const data = concatChunks(chunks, expectedLength);\n controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType));\n state = 0 /* READ_HEADER */;\n }\n if (expectedLength === 0 || expectedLength > maxPayload) {\n controller.enqueue(ERROR_PACKET);\n break;\n }\n }\n }\n });\n}\nexport const protocol = 4;\nexport { encodePacket, encodePayload, decodePacket, decodePayload };\n","import { ERROR_PACKET, PACKET_TYPES_REVERSE } from \"./commons.js\";\nimport { decode } from \"./contrib/base64-arraybuffer.js\";\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nexport const decodePacket = (encodedPacket, binaryType) => {\n if (typeof encodedPacket !== \"string\") {\n return {\n type: \"message\",\n data: mapBinary(encodedPacket, binaryType)\n };\n }\n const type = encodedPacket.charAt(0);\n if (type === \"b\") {\n return {\n type: \"message\",\n data: decodeBase64Packet(encodedPacket.substring(1), binaryType)\n };\n }\n const packetType = PACKET_TYPES_REVERSE[type];\n if (!packetType) {\n return ERROR_PACKET;\n }\n return encodedPacket.length > 1\n ? {\n type: PACKET_TYPES_REVERSE[type],\n data: encodedPacket.substring(1)\n }\n : {\n type: PACKET_TYPES_REVERSE[type]\n };\n};\nconst decodeBase64Packet = (data, binaryType) => {\n if (withNativeArrayBuffer) {\n const decoded = decode(data);\n return mapBinary(decoded, binaryType);\n }\n else {\n return { base64: true, data }; // fallback for old browsers\n }\n};\nconst mapBinary = (data, binaryType) => {\n switch (binaryType) {\n case \"blob\":\n if (data instanceof Blob) {\n // from WebSocket + binaryType \"blob\"\n return data;\n }\n else {\n // from HTTP long-polling or WebTransport\n return new Blob([data]);\n }\n case \"arraybuffer\":\n default:\n if (data instanceof ArrayBuffer) {\n // from HTTP long-polling (base64) or WebSocket + binaryType \"arraybuffer\"\n return data;\n }\n else {\n // from WebTransport (Uint8Array)\n return data.buffer;\n }\n }\n};\n","/**\n * Initialize a new `Emitter`.\n *\n * @api public\n */\n\nexport function Emitter(obj) {\n if (obj) return mixin(obj);\n}\n\n/**\n * Mixin the emitter properties.\n *\n * @param {Object} obj\n * @return {Object}\n * @api private\n */\n\nfunction mixin(obj) {\n for (var key in Emitter.prototype) {\n obj[key] = Emitter.prototype[key];\n }\n return obj;\n}\n\n/**\n * Listen on the given `event` with `fn`.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.on =\nEmitter.prototype.addEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\n .push(fn);\n return this;\n};\n\n/**\n * Adds an `event` listener that will be invoked a single\n * time then automatically removed.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.once = function(event, fn){\n function on() {\n this.off(event, on);\n fn.apply(this, arguments);\n }\n\n on.fn = fn;\n this.on(event, on);\n return this;\n};\n\n/**\n * Remove the given callback for `event` or all\n * registered callbacks.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.off =\nEmitter.prototype.removeListener =\nEmitter.prototype.removeAllListeners =\nEmitter.prototype.removeEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n\n // all\n if (0 == arguments.length) {\n this._callbacks = {};\n return this;\n }\n\n // specific event\n var callbacks = this._callbacks['$' + event];\n if (!callbacks) return this;\n\n // remove all handlers\n if (1 == arguments.length) {\n delete this._callbacks['$' + event];\n return this;\n }\n\n // remove specific handler\n var cb;\n for (var i = 0; i < callbacks.length; i++) {\n cb = callbacks[i];\n if (cb === fn || cb.fn === fn) {\n callbacks.splice(i, 1);\n break;\n }\n }\n\n // Remove event specific arrays for event types that no\n // one is subscribed for to avoid memory leak.\n if (callbacks.length === 0) {\n delete this._callbacks['$' + event];\n }\n\n return this;\n};\n\n/**\n * Emit `event` with the given args.\n *\n * @param {String} event\n * @param {Mixed} ...\n * @return {Emitter}\n */\n\nEmitter.prototype.emit = function(event){\n this._callbacks = this._callbacks || {};\n\n var args = new Array(arguments.length - 1)\n , callbacks = this._callbacks['$' + event];\n\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n\n if (callbacks) {\n callbacks = callbacks.slice(0);\n for (var i = 0, len = callbacks.length; i < len; ++i) {\n callbacks[i].apply(this, args);\n }\n }\n\n return this;\n};\n\n// alias used for reserved events (protected method)\nEmitter.prototype.emitReserved = Emitter.prototype.emit;\n\n/**\n * Return array of callbacks for `event`.\n *\n * @param {String} event\n * @return {Array}\n * @api public\n */\n\nEmitter.prototype.listeners = function(event){\n this._callbacks = this._callbacks || {};\n return this._callbacks['$' + event] || [];\n};\n\n/**\n * Check if this emitter has `event` handlers.\n *\n * @param {String} event\n * @return {Boolean}\n * @api public\n */\n\nEmitter.prototype.hasListeners = function(event){\n return !! this.listeners(event).length;\n};\n","export const globalThisShim = (() => {\n if (typeof self !== \"undefined\") {\n return self;\n }\n else if (typeof window !== \"undefined\") {\n return window;\n }\n else {\n return Function(\"return this\")();\n }\n})();\n","import { globalThisShim as globalThis } from \"./globalThis.js\";\nexport function pick(obj, ...attr) {\n return attr.reduce((acc, k) => {\n if (obj.hasOwnProperty(k)) {\n acc[k] = obj[k];\n }\n return acc;\n }, {});\n}\n// Keep a reference to the real timeout functions so they can be used when overridden\nconst NATIVE_SET_TIMEOUT = globalThis.setTimeout;\nconst NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout;\nexport function installTimerFunctions(obj, opts) {\n if (opts.useNativeTimers) {\n obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis);\n obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis);\n }\n else {\n obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis);\n obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis);\n }\n}\n// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64)\nconst BASE64_OVERHEAD = 1.33;\n// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9\nexport function byteLength(obj) {\n if (typeof obj === \"string\") {\n return utf8Length(obj);\n }\n // arraybuffer or blob\n return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD);\n}\nfunction utf8Length(str) {\n let c = 0, length = 0;\n for (let i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n length += 1;\n }\n else if (c < 0x800) {\n length += 2;\n }\n else if (c < 0xd800 || c >= 0xe000) {\n length += 3;\n }\n else {\n i++;\n length += 4;\n }\n }\n return length;\n}\n","// imported from https://github.com/galkn/querystring\n/**\n * Compiles a querystring\n * Returns string representation of the object\n *\n * @param {Object}\n * @api private\n */\nexport function encode(obj) {\n let str = '';\n for (let i in obj) {\n if (obj.hasOwnProperty(i)) {\n if (str.length)\n str += '&';\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\n }\n }\n return str;\n}\n/**\n * Parses a simple querystring into an object\n *\n * @param {String} qs\n * @api private\n */\nexport function decode(qs) {\n let qry = {};\n let pairs = qs.split('&');\n for (let i = 0, l = pairs.length; i < l; i++) {\n let pair = pairs[i].split('=');\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n }\n return qry;\n}\n","// imported from https://github.com/unshiftio/yeast\n'use strict';\nconst alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {};\nlet seed = 0, i = 0, prev;\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nexport function encode(num) {\n let encoded = '';\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n return encoded;\n}\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nexport function decode(str) {\n let decoded = 0;\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n return decoded;\n}\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nexport function yeast() {\n const now = encode(+new Date());\n if (now !== prev)\n return seed = 0, prev = now;\n return now + '.' + encode(seed++);\n}\n//\n// Map each character to its index.\n//\nfor (; i < length; i++)\n map[alphabet[i]] = i;\n","import { decodePacket } from \"engine.io-parser\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions } from \"./util.js\";\nimport { encode } from \"./contrib/parseqs.js\";\nexport class TransportError extends Error {\n constructor(reason, description, context) {\n super(reason);\n this.description = description;\n this.context = context;\n this.type = \"TransportError\";\n }\n}\nexport class Transport extends Emitter {\n /**\n * Transport abstract constructor.\n *\n * @param {Object} opts - options\n * @protected\n */\n constructor(opts) {\n super();\n this.writable = false;\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.query = opts.query;\n this.socket = opts.socket;\n }\n /**\n * Emits an error.\n *\n * @param {String} reason\n * @param description\n * @param context - the error context\n * @return {Transport} for chaining\n * @protected\n */\n onError(reason, description, context) {\n super.emitReserved(\"error\", new TransportError(reason, description, context));\n return this;\n }\n /**\n * Opens the transport.\n */\n open() {\n this.readyState = \"opening\";\n this.doOpen();\n return this;\n }\n /**\n * Closes the transport.\n */\n close() {\n if (this.readyState === \"opening\" || this.readyState === \"open\") {\n this.doClose();\n this.onClose();\n }\n return this;\n }\n /**\n * Sends multiple packets.\n *\n * @param {Array} packets\n */\n send(packets) {\n if (this.readyState === \"open\") {\n this.write(packets);\n }\n else {\n // this might happen if the transport was silently closed in the beforeunload event handler\n }\n }\n /**\n * Called upon open\n *\n * @protected\n */\n onOpen() {\n this.readyState = \"open\";\n this.writable = true;\n super.emitReserved(\"open\");\n }\n /**\n * Called with data.\n *\n * @param {String} data\n * @protected\n */\n onData(data) {\n const packet = decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n }\n /**\n * Called with a decoded packet.\n *\n * @protected\n */\n onPacket(packet) {\n super.emitReserved(\"packet\", packet);\n }\n /**\n * Called upon close.\n *\n * @protected\n */\n onClose(details) {\n this.readyState = \"closed\";\n super.emitReserved(\"close\", details);\n }\n /**\n * Pauses the transport, in order not to lose packets during an upgrade.\n *\n * @param onPause\n */\n pause(onPause) { }\n createUri(schema, query = {}) {\n return (schema +\n \"://\" +\n this._hostname() +\n this._port() +\n this.opts.path +\n this._query(query));\n }\n _hostname() {\n const hostname = this.opts.hostname;\n return hostname.indexOf(\":\") === -1 ? hostname : \"[\" + hostname + \"]\";\n }\n _port() {\n if (this.opts.port &&\n ((this.opts.secure && Number(this.opts.port !== 443)) ||\n (!this.opts.secure && Number(this.opts.port) !== 80))) {\n return \":\" + this.opts.port;\n }\n else {\n return \"\";\n }\n }\n _query(query) {\n const encodedQuery = encode(query);\n return encodedQuery.length ? \"?\" + encodedQuery : \"\";\n }\n}\n","// imported from https://github.com/component/has-cors\nlet value = false;\ntry {\n value = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n}\ncatch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n}\nexport const hasCORS = value;\n","// browser shim for xmlhttprequest module\nimport { hasCORS } from \"../contrib/has-cors.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nexport function XHR(opts) {\n const xdomain = opts.xdomain;\n // XMLHttpRequest can be disabled on IE\n try {\n if (\"undefined\" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n }\n catch (e) { }\n if (!xdomain) {\n try {\n return new globalThis[[\"Active\"].concat(\"Object\").join(\"X\")](\"Microsoft.XMLHTTP\");\n }\n catch (e) { }\n }\n}\nexport function createCookieJar() { }\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { encodePayload, decodePayload } from \"engine.io-parser\";\nimport { createCookieJar, XHR as XMLHttpRequest, } from \"./xmlhttprequest.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions, pick } from \"../util.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nfunction empty() { }\nconst hasXHR2 = (function () {\n const xhr = new XMLHttpRequest({\n xdomain: false,\n });\n return null != xhr.responseType;\n})();\nexport class Polling extends Transport {\n /**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @package\n */\n constructor(opts) {\n super(opts);\n this.polling = false;\n if (typeof location !== \"undefined\") {\n const isSSL = \"https:\" === location.protocol;\n let port = location.port;\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? \"443\" : \"80\";\n }\n this.xd =\n (typeof location !== \"undefined\" &&\n opts.hostname !== location.hostname) ||\n port !== opts.port;\n }\n /**\n * XHR supports binary\n */\n const forceBase64 = opts && opts.forceBase64;\n this.supportsBinary = hasXHR2 && !forceBase64;\n if (this.opts.withCredentials) {\n this.cookieJar = createCookieJar();\n }\n }\n get name() {\n return \"polling\";\n }\n /**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @protected\n */\n doOpen() {\n this.poll();\n }\n /**\n * Pauses polling.\n *\n * @param {Function} onPause - callback upon buffers are flushed and transport is paused\n * @package\n */\n pause(onPause) {\n this.readyState = \"pausing\";\n const pause = () => {\n this.readyState = \"paused\";\n onPause();\n };\n if (this.polling || !this.writable) {\n let total = 0;\n if (this.polling) {\n total++;\n this.once(\"pollComplete\", function () {\n --total || pause();\n });\n }\n if (!this.writable) {\n total++;\n this.once(\"drain\", function () {\n --total || pause();\n });\n }\n }\n else {\n pause();\n }\n }\n /**\n * Starts polling cycle.\n *\n * @private\n */\n poll() {\n this.polling = true;\n this.doPoll();\n this.emitReserved(\"poll\");\n }\n /**\n * Overloads onData to detect payloads.\n *\n * @protected\n */\n onData(data) {\n const callback = (packet) => {\n // if its the first message we consider the transport open\n if (\"opening\" === this.readyState && packet.type === \"open\") {\n this.onOpen();\n }\n // if its a close packet, we close the ongoing requests\n if (\"close\" === packet.type) {\n this.onClose({ description: \"transport closed by the server\" });\n return false;\n }\n // otherwise bypass onData and handle the message\n this.onPacket(packet);\n };\n // decode payload\n decodePayload(data, this.socket.binaryType).forEach(callback);\n // if an event did not trigger closing\n if (\"closed\" !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emitReserved(\"pollComplete\");\n if (\"open\" === this.readyState) {\n this.poll();\n }\n else {\n }\n }\n }\n /**\n * For polling, send a close packet.\n *\n * @protected\n */\n doClose() {\n const close = () => {\n this.write([{ type: \"close\" }]);\n };\n if (\"open\" === this.readyState) {\n close();\n }\n else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n this.once(\"open\", close);\n }\n }\n /**\n * Writes a packets payload.\n *\n * @param {Array} packets - data packets\n * @protected\n */\n write(packets) {\n this.writable = false;\n encodePayload(packets, (data) => {\n this.doWrite(data, () => {\n this.writable = true;\n this.emitReserved(\"drain\");\n });\n });\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"https\" : \"http\";\n const query = this.query || {};\n // cache busting is forced\n if (false !== this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Creates a request.\n *\n * @param {String} method\n * @private\n */\n request(opts = {}) {\n Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts);\n return new Request(this.uri(), opts);\n }\n /**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @private\n */\n doWrite(data, fn) {\n const req = this.request({\n method: \"POST\",\n data: data,\n });\n req.on(\"success\", fn);\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr post error\", xhrStatus, context);\n });\n }\n /**\n * Starts a poll cycle.\n *\n * @private\n */\n doPoll() {\n const req = this.request();\n req.on(\"data\", this.onData.bind(this));\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr poll error\", xhrStatus, context);\n });\n this.pollXhr = req;\n }\n}\nexport class Request extends Emitter {\n /**\n * Request constructor\n *\n * @param {Object} options\n * @package\n */\n constructor(uri, opts) {\n super();\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.method = opts.method || \"GET\";\n this.uri = uri;\n this.data = undefined !== opts.data ? opts.data : null;\n this.create();\n }\n /**\n * Creates the XHR object and sends the request.\n *\n * @private\n */\n create() {\n var _a;\n const opts = pick(this.opts, \"agent\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"autoUnref\");\n opts.xdomain = !!this.opts.xd;\n const xhr = (this.xhr = new XMLHttpRequest(opts));\n try {\n xhr.open(this.method, this.uri, true);\n try {\n if (this.opts.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (let i in this.opts.extraHeaders) {\n if (this.opts.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.opts.extraHeaders[i]);\n }\n }\n }\n }\n catch (e) { }\n if (\"POST\" === this.method) {\n try {\n xhr.setRequestHeader(\"Content-type\", \"text/plain;charset=UTF-8\");\n }\n catch (e) { }\n }\n try {\n xhr.setRequestHeader(\"Accept\", \"*/*\");\n }\n catch (e) { }\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr);\n // ie6 check\n if (\"withCredentials\" in xhr) {\n xhr.withCredentials = this.opts.withCredentials;\n }\n if (this.opts.requestTimeout) {\n xhr.timeout = this.opts.requestTimeout;\n }\n xhr.onreadystatechange = () => {\n var _a;\n if (xhr.readyState === 3) {\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr);\n }\n if (4 !== xhr.readyState)\n return;\n if (200 === xhr.status || 1223 === xhr.status) {\n this.onLoad();\n }\n else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n this.setTimeoutFn(() => {\n this.onError(typeof xhr.status === \"number\" ? xhr.status : 0);\n }, 0);\n }\n };\n xhr.send(this.data);\n }\n catch (e) {\n // Need to defer since .create() is called directly from the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n this.setTimeoutFn(() => {\n this.onError(e);\n }, 0);\n return;\n }\n if (typeof document !== \"undefined\") {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n }\n /**\n * Called upon error.\n *\n * @private\n */\n onError(err) {\n this.emitReserved(\"error\", err, this.xhr);\n this.cleanup(true);\n }\n /**\n * Cleans up house.\n *\n * @private\n */\n cleanup(fromError) {\n if (\"undefined\" === typeof this.xhr || null === this.xhr) {\n return;\n }\n this.xhr.onreadystatechange = empty;\n if (fromError) {\n try {\n this.xhr.abort();\n }\n catch (e) { }\n }\n if (typeof document !== \"undefined\") {\n delete Request.requests[this.index];\n }\n this.xhr = null;\n }\n /**\n * Called upon load.\n *\n * @private\n */\n onLoad() {\n const data = this.xhr.responseText;\n if (data !== null) {\n this.emitReserved(\"data\", data);\n this.emitReserved(\"success\");\n this.cleanup();\n }\n }\n /**\n * Aborts the request.\n *\n * @package\n */\n abort() {\n this.cleanup();\n }\n}\nRequest.requestsCount = 0;\nRequest.requests = {};\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\nif (typeof document !== \"undefined\") {\n // @ts-ignore\n if (typeof attachEvent === \"function\") {\n // @ts-ignore\n attachEvent(\"onunload\", unloadHandler);\n }\n else if (typeof addEventListener === \"function\") {\n const terminationEvent = \"onpagehide\" in globalThis ? \"pagehide\" : \"unload\";\n addEventListener(terminationEvent, unloadHandler, false);\n }\n}\nfunction unloadHandler() {\n for (let i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n","import { globalThisShim as globalThis } from \"../globalThis.js\";\nexport const nextTick = (() => {\n const isPromiseAvailable = typeof Promise === \"function\" && typeof Promise.resolve === \"function\";\n if (isPromiseAvailable) {\n return (cb) => Promise.resolve().then(cb);\n }\n else {\n return (cb, setTimeoutFn) => setTimeoutFn(cb, 0);\n }\n})();\nexport const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket;\nexport const usingBrowserWebSocket = true;\nexport const defaultBinaryType = \"arraybuffer\";\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { pick } from \"../util.js\";\nimport { nextTick, usingBrowserWebSocket, WebSocket, } from \"./websocket-constructor.js\";\nimport { encodePacket } from \"engine.io-parser\";\n// detect ReactNative environment\nconst isReactNative = typeof navigator !== \"undefined\" &&\n typeof navigator.product === \"string\" &&\n navigator.product.toLowerCase() === \"reactnative\";\nexport class WS extends Transport {\n /**\n * WebSocket transport constructor.\n *\n * @param {Object} opts - connection options\n * @protected\n */\n constructor(opts) {\n super(opts);\n this.supportsBinary = !opts.forceBase64;\n }\n get name() {\n return \"websocket\";\n }\n doOpen() {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n const uri = this.uri();\n const protocols = this.opts.protocols;\n // React Native only supports the 'headers' option, and will print a warning if anything else is passed\n const opts = isReactNative\n ? {}\n : pick(this.opts, \"agent\", \"perMessageDeflate\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"localAddress\", \"protocolVersion\", \"origin\", \"maxPayload\", \"family\", \"checkServerIdentity\");\n if (this.opts.extraHeaders) {\n opts.headers = this.opts.extraHeaders;\n }\n try {\n this.ws =\n usingBrowserWebSocket && !isReactNative\n ? protocols\n ? new WebSocket(uri, protocols)\n : new WebSocket(uri)\n : new WebSocket(uri, protocols, opts);\n }\n catch (err) {\n return this.emitReserved(\"error\", err);\n }\n this.ws.binaryType = this.socket.binaryType;\n this.addEventListeners();\n }\n /**\n * Adds event listeners to the socket\n *\n * @private\n */\n addEventListeners() {\n this.ws.onopen = () => {\n if (this.opts.autoUnref) {\n this.ws._socket.unref();\n }\n this.onOpen();\n };\n this.ws.onclose = (closeEvent) => this.onClose({\n description: \"websocket connection closed\",\n context: closeEvent,\n });\n this.ws.onmessage = (ev) => this.onData(ev.data);\n this.ws.onerror = (e) => this.onError(\"websocket error\", e);\n }\n write(packets) {\n this.writable = false;\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n encodePacket(packet, this.supportsBinary, (data) => {\n // always create a new object (GH-437)\n const opts = {};\n if (!usingBrowserWebSocket) {\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n if (this.opts.perMessageDeflate) {\n const len = \n // @ts-ignore\n \"string\" === typeof data ? Buffer.byteLength(data) : data.length;\n if (len < this.opts.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n this.ws.send(data);\n }\n else {\n this.ws.send(data, opts);\n }\n }\n catch (e) {\n }\n if (lastPacket) {\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n if (typeof this.ws !== \"undefined\") {\n this.ws.close();\n this.ws = null;\n }\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"wss\" : \"ws\";\n const query = this.query || {};\n // append timestamp to URI\n if (this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @private\n */\n check() {\n return !!WebSocket;\n }\n}\n","import { Transport } from \"../transport.js\";\nimport { nextTick } from \"./websocket-constructor.js\";\nimport { createPacketDecoderStream, createPacketEncoderStream, } from \"engine.io-parser\";\nexport class WT extends Transport {\n get name() {\n return \"webtransport\";\n }\n doOpen() {\n // @ts-ignore\n if (typeof WebTransport !== \"function\") {\n return;\n }\n // @ts-ignore\n this.transport = new WebTransport(this.createUri(\"https\"), this.opts.transportOptions[this.name]);\n this.transport.closed\n .then(() => {\n this.onClose();\n })\n .catch((err) => {\n this.onError(\"webtransport error\", err);\n });\n // note: we could have used async/await, but that would require some additional polyfills\n this.transport.ready.then(() => {\n this.transport.createBidirectionalStream().then((stream) => {\n const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType);\n const reader = stream.readable.pipeThrough(decoderStream).getReader();\n const encoderStream = createPacketEncoderStream();\n encoderStream.readable.pipeTo(stream.writable);\n this.writer = encoderStream.writable.getWriter();\n const read = () => {\n reader\n .read()\n .then(({ done, value }) => {\n if (done) {\n return;\n }\n this.onPacket(value);\n read();\n })\n .catch((err) => {\n });\n };\n read();\n const packet = { type: \"open\" };\n if (this.query.sid) {\n packet.data = `{\"sid\":\"${this.query.sid}\"}`;\n }\n this.writer.write(packet).then(() => this.onOpen());\n });\n });\n }\n write(packets) {\n this.writable = false;\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n this.writer.write(packet).then(() => {\n if (lastPacket) {\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n var _a;\n (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close();\n }\n}\n","import { Polling } from \"./polling.js\";\nimport { WS } from \"./websocket.js\";\nimport { WT } from \"./webtransport.js\";\nexport const transports = {\n websocket: WS,\n webtransport: WT,\n polling: Polling,\n};\n","// imported from https://github.com/galkn/parseuri\n/**\n * Parses a URI\n *\n * Note: we could also have used the built-in URL object, but it isn't supported on all platforms.\n *\n * See:\n * - https://developer.mozilla.org/en-US/docs/Web/API/URL\n * - https://caniuse.com/url\n * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B\n *\n * History of the parse() method:\n * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c\n * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3\n * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242\n *\n * @author Steven Levithan (MIT license)\n * @api private\n */\nconst re = /^(?:(?![^:@\\/?#]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@\\/?#]*)(?::([^:@\\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\nconst parts = [\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\n];\nexport function parse(str) {\n if (str.length > 2000) {\n throw \"URI too long\";\n }\n const src = str, b = str.indexOf('['), e = str.indexOf(']');\n if (b != -1 && e != -1) {\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\n }\n let m = re.exec(str || ''), uri = {}, i = 14;\n while (i--) {\n uri[parts[i]] = m[i] || '';\n }\n if (b != -1 && e != -1) {\n uri.source = src;\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\n uri.ipv6uri = true;\n }\n uri.pathNames = pathNames(uri, uri['path']);\n uri.queryKey = queryKey(uri, uri['query']);\n return uri;\n}\nfunction pathNames(obj, path) {\n const regx = /\\/{2,9}/g, names = path.replace(regx, \"/\").split(\"/\");\n if (path.slice(0, 1) == '/' || path.length === 0) {\n names.splice(0, 1);\n }\n if (path.slice(-1) == '/') {\n names.splice(names.length - 1, 1);\n }\n return names;\n}\nfunction queryKey(uri, query) {\n const data = {};\n query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {\n if ($1) {\n data[$1] = $2;\n }\n });\n return data;\n}\n","import { transports } from \"./transports/index.js\";\nimport { installTimerFunctions, byteLength } from \"./util.js\";\nimport { decode } from \"./contrib/parseqs.js\";\nimport { parse } from \"./contrib/parseuri.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { protocol } from \"engine.io-parser\";\nimport { defaultBinaryType } from \"./transports/websocket-constructor.js\";\nexport class Socket extends Emitter {\n /**\n * Socket constructor.\n *\n * @param {String|Object} uri - uri or options\n * @param {Object} opts - options\n */\n constructor(uri, opts = {}) {\n super();\n this.binaryType = defaultBinaryType;\n this.writeBuffer = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = null;\n }\n if (uri) {\n uri = parse(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === \"https\" || uri.protocol === \"wss\";\n opts.port = uri.port;\n if (uri.query)\n opts.query = uri.query;\n }\n else if (opts.host) {\n opts.hostname = parse(opts.host).host;\n }\n installTimerFunctions(this, opts);\n this.secure =\n null != opts.secure\n ? opts.secure\n : typeof location !== \"undefined\" && \"https:\" === location.protocol;\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? \"443\" : \"80\";\n }\n this.hostname =\n opts.hostname ||\n (typeof location !== \"undefined\" ? location.hostname : \"localhost\");\n this.port =\n opts.port ||\n (typeof location !== \"undefined\" && location.port\n ? location.port\n : this.secure\n ? \"443\"\n : \"80\");\n this.transports = opts.transports || [\n \"polling\",\n \"websocket\",\n \"webtransport\",\n ];\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.opts = Object.assign({\n path: \"/engine.io\",\n agent: false,\n withCredentials: false,\n upgrade: true,\n timestampParam: \"t\",\n rememberUpgrade: false,\n addTrailingSlash: true,\n rejectUnauthorized: true,\n perMessageDeflate: {\n threshold: 1024,\n },\n transportOptions: {},\n closeOnBeforeunload: false,\n }, opts);\n this.opts.path =\n this.opts.path.replace(/\\/$/, \"\") +\n (this.opts.addTrailingSlash ? \"/\" : \"\");\n if (typeof this.opts.query === \"string\") {\n this.opts.query = decode(this.opts.query);\n }\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n // set on heartbeat\n this.pingTimeoutTimer = null;\n if (typeof addEventListener === \"function\") {\n if (this.opts.closeOnBeforeunload) {\n // Firefox closes the connection when the \"beforeunload\" event is emitted but not Chrome. This event listener\n // ensures every browser behaves the same (no \"disconnect\" event at the Socket.IO level when the page is\n // closed/reloaded)\n this.beforeunloadEventListener = () => {\n if (this.transport) {\n // silently close the transport\n this.transport.removeAllListeners();\n this.transport.close();\n }\n };\n addEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n }\n if (this.hostname !== \"localhost\") {\n this.offlineEventListener = () => {\n this.onClose(\"transport close\", {\n description: \"network connection lost\",\n });\n };\n addEventListener(\"offline\", this.offlineEventListener, false);\n }\n }\n this.open();\n }\n /**\n * Creates transport of the given type.\n *\n * @param {String} name - transport name\n * @return {Transport}\n * @private\n */\n createTransport(name) {\n const query = Object.assign({}, this.opts.query);\n // append engine.io protocol identifier\n query.EIO = protocol;\n // transport name\n query.transport = name;\n // session id if we already have one\n if (this.id)\n query.sid = this.id;\n const opts = Object.assign({}, this.opts, {\n query,\n socket: this,\n hostname: this.hostname,\n secure: this.secure,\n port: this.port,\n }, this.opts.transportOptions[name]);\n return new transports[name](opts);\n }\n /**\n * Initializes transport to use and starts probe.\n *\n * @private\n */\n open() {\n let transport;\n if (this.opts.rememberUpgrade &&\n Socket.priorWebsocketSuccess &&\n this.transports.indexOf(\"websocket\") !== -1) {\n transport = \"websocket\";\n }\n else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n this.setTimeoutFn(() => {\n this.emitReserved(\"error\", \"No transports available\");\n }, 0);\n return;\n }\n else {\n transport = this.transports[0];\n }\n this.readyState = \"opening\";\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n }\n catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n transport.open();\n this.setTransport(transport);\n }\n /**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @private\n */\n setTransport(transport) {\n if (this.transport) {\n this.transport.removeAllListeners();\n }\n // set up transport\n this.transport = transport;\n // set up transport listeners\n transport\n .on(\"drain\", this.onDrain.bind(this))\n .on(\"packet\", this.onPacket.bind(this))\n .on(\"error\", this.onError.bind(this))\n .on(\"close\", (reason) => this.onClose(\"transport close\", reason));\n }\n /**\n * Probes a transport.\n *\n * @param {String} name - transport name\n * @private\n */\n probe(name) {\n let transport = this.createTransport(name);\n let failed = false;\n Socket.priorWebsocketSuccess = false;\n const onTransportOpen = () => {\n if (failed)\n return;\n transport.send([{ type: \"ping\", data: \"probe\" }]);\n transport.once(\"packet\", (msg) => {\n if (failed)\n return;\n if (\"pong\" === msg.type && \"probe\" === msg.data) {\n this.upgrading = true;\n this.emitReserved(\"upgrading\", transport);\n if (!transport)\n return;\n Socket.priorWebsocketSuccess = \"websocket\" === transport.name;\n this.transport.pause(() => {\n if (failed)\n return;\n if (\"closed\" === this.readyState)\n return;\n cleanup();\n this.setTransport(transport);\n transport.send([{ type: \"upgrade\" }]);\n this.emitReserved(\"upgrade\", transport);\n transport = null;\n this.upgrading = false;\n this.flush();\n });\n }\n else {\n const err = new Error(\"probe error\");\n // @ts-ignore\n err.transport = transport.name;\n this.emitReserved(\"upgradeError\", err);\n }\n });\n };\n function freezeTransport() {\n if (failed)\n return;\n // Any callback called by transport should be ignored since now\n failed = true;\n cleanup();\n transport.close();\n transport = null;\n }\n // Handle any error that happens while probing\n const onerror = (err) => {\n const error = new Error(\"probe error: \" + err);\n // @ts-ignore\n error.transport = transport.name;\n freezeTransport();\n this.emitReserved(\"upgradeError\", error);\n };\n function onTransportClose() {\n onerror(\"transport closed\");\n }\n // When the socket is closed while we're probing\n function onclose() {\n onerror(\"socket closed\");\n }\n // When the socket is upgraded while we're probing\n function onupgrade(to) {\n if (transport && to.name !== transport.name) {\n freezeTransport();\n }\n }\n // Remove all listeners on the transport and on self\n const cleanup = () => {\n transport.removeListener(\"open\", onTransportOpen);\n transport.removeListener(\"error\", onerror);\n transport.removeListener(\"close\", onTransportClose);\n this.off(\"close\", onclose);\n this.off(\"upgrading\", onupgrade);\n };\n transport.once(\"open\", onTransportOpen);\n transport.once(\"error\", onerror);\n transport.once(\"close\", onTransportClose);\n this.once(\"close\", onclose);\n this.once(\"upgrading\", onupgrade);\n if (this.upgrades.indexOf(\"webtransport\") !== -1 &&\n name !== \"webtransport\") {\n // favor WebTransport\n this.setTimeoutFn(() => {\n if (!failed) {\n transport.open();\n }\n }, 200);\n }\n else {\n transport.open();\n }\n }\n /**\n * Called when connection is deemed open.\n *\n * @private\n */\n onOpen() {\n this.readyState = \"open\";\n Socket.priorWebsocketSuccess = \"websocket\" === this.transport.name;\n this.emitReserved(\"open\");\n this.flush();\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if (\"open\" === this.readyState && this.opts.upgrade) {\n let i = 0;\n const l = this.upgrades.length;\n for (; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n }\n /**\n * Handles a packet.\n *\n * @private\n */\n onPacket(packet) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n this.emitReserved(\"packet\", packet);\n // Socket is live - any packet counts\n this.emitReserved(\"heartbeat\");\n this.resetPingTimeout();\n switch (packet.type) {\n case \"open\":\n this.onHandshake(JSON.parse(packet.data));\n break;\n case \"ping\":\n this.sendPacket(\"pong\");\n this.emitReserved(\"ping\");\n this.emitReserved(\"pong\");\n break;\n case \"error\":\n const err = new Error(\"server error\");\n // @ts-ignore\n err.code = packet.data;\n this.onError(err);\n break;\n case \"message\":\n this.emitReserved(\"data\", packet.data);\n this.emitReserved(\"message\", packet.data);\n break;\n }\n }\n else {\n }\n }\n /**\n * Called upon handshake completion.\n *\n * @param {Object} data - handshake obj\n * @private\n */\n onHandshake(data) {\n this.emitReserved(\"handshake\", data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.maxPayload = data.maxPayload;\n this.onOpen();\n // In case open handler closes socket\n if (\"closed\" === this.readyState)\n return;\n this.resetPingTimeout();\n }\n /**\n * Sets and resets ping timeout timer based on 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\ No newline at end of file diff --git a/examples/axum-echo/node_modules/engine.io-client/package.json b/examples/axum-echo/node_modules/engine.io-client/package.json deleted file mode 100644 index f800ea91..00000000 --- a/examples/axum-echo/node_modules/engine.io-client/package.json +++ /dev/null @@ -1,120 +0,0 @@ -{ - "name": "engine.io-client", - "description": "Client for the realtime Engine", - "license": "MIT", - "version": "6.5.3", - "main": "./build/cjs/index.js", - "module": "./build/esm/index.js", - "exports": { - "./package.json": "./package.json", - "./dist/engine.io.esm.min.js": "./dist/engine.io.esm.min.js", - "./dist/engine.io.js": "./dist/engine.io.js", - "./dist/engine.io.min.js": "./dist/engine.io.min.js", - ".": { - "import": { - "types": "./build/esm/index.d.ts", - "node": "./build/esm-debug/index.js", - "default": "./build/esm/index.js" - }, - "require": { - "types": "./build/cjs/index.d.ts", - "default": "./build/cjs/index.js" - } - }, - "./debug": { - "import": { - "types": "./build/esm/index.d.ts", - "default": "./build/esm-debug/index.js" - }, - "require": { - "types": "./build/cjs/index.d.ts", - "default": "./build/cjs/index.js" - } - } - }, - "types": "build/esm/index.d.ts", - "homepage": "https://github.com/socketio/engine.io-client", - "contributors": [ - { - "name": "Guillermo Rauch", - "email": "rauchg@gmail.com" - }, - { - "name": "Vladimir Dronnikov", - "email": "dronnikov@gmail.com" - }, - { - "name": "Christoph Dorn", - "web": "https://github.com/cadorn" - }, - { - "name": "Mark Mokryn", - "email": "mokesmokes@gmail.com" - } - ], - "dependencies": { - "@socket.io/component-emitter": "~3.1.0", - "debug": "~4.3.1", - "engine.io-parser": "~5.2.1", - "ws": "~8.11.0", - "xmlhttprequest-ssl": "~2.0.0" - }, - "devDependencies": { - "@babel/core": "^7.12.9", - "@babel/plugin-transform-object-assign": "^7.12.1", - "@babel/preset-env": "^7.12.7", - "@fails-components/webtransport": "^0.1.7", - "@rollup/plugin-babel": "^5.3.0", - "@rollup/plugin-commonjs": "^21.0.0", - "@rollup/plugin-node-resolve": "^13.0.5", - "@sinonjs/fake-timers": "^7.1.2", - "@types/mocha": "^9.0.0", - "@types/node": "^16.10.1", - "@types/sinonjs__fake-timers": "^6.0.3", - "babel-loader": "^8.2.2", - "blob": "0.0.5", - "engine.io": "^6.5.2-alpha.1", - "expect.js": "^0.3.1", - "express": "^4.17.1", - "mocha": "^10.2.0", - "node-forge": "^1.3.1", - "prettier": "^2.8.1", - "rollup": "^2.58.0", - "rollup-plugin-terser": "^7.0.2", - "socket.io-browsers": "~1.0.4", - "typescript": "^4.9.5", - "webpack": "^4.44.2", - "webpack-cli": "^3.3.12", - "webpack-remove-debug": "^0.1.0", - "zuul": "~3.11.1", - "zuul-builder-webpack": "^1.2.0", - "zuul-ngrok": "4.0.0" - }, - "scripts": { - "compile": "rimraf ./build && tsc && tsc -p tsconfig.esm.json && ./postcompile.sh", - "test": "npm run format:check && npm run compile && if test \"$BROWSERS\" = \"1\" ; then npm run test:browser; else npm run test:node; fi", - "test:node": "mocha --bail --require test/support/hooks.js test/index.js test/webtransport.mjs", - "test:browser": "zuul test/index.js", - "build": "rollup -c support/rollup.config.umd.js && rollup -c support/rollup.config.esm.js", - "format:check": "prettier --check 'lib/**/*.ts' 'test/**/*.js' 'test/webtransport.mjs' 'support/**/*.js'", - "format:fix": "prettier --write 'lib/**/*.ts' 'test/**/*.js' 'test/webtransport.mjs' 'support/**/*.js'", - "prepack": "npm run compile" - }, - "browser": { - "./test/node.js": false, - "./build/esm/transports/xmlhttprequest.js": "./build/esm/transports/xmlhttprequest.browser.js", - "./build/esm/transports/websocket-constructor.js": "./build/esm/transports/websocket-constructor.browser.js", - "./build/esm/globalThis.js": "./build/esm/globalThis.browser.js", - "./build/cjs/transports/xmlhttprequest.js": "./build/cjs/transports/xmlhttprequest.browser.js", - "./build/cjs/transports/websocket-constructor.js": "./build/cjs/transports/websocket-constructor.browser.js", - "./build/cjs/globalThis.js": "./build/cjs/globalThis.browser.js" - }, - "repository": { - "type": "git", - "url": "https://github.com/socketio/engine.io-client.git" - }, - "files": [ - "build/", - "dist/" - ] -} diff --git a/examples/axum-echo/node_modules/engine.io-parser/LICENSE b/examples/axum-echo/node_modules/engine.io-parser/LICENSE deleted file mode 100644 index d8fdaec3..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/LICENSE +++ /dev/null @@ -1,22 +0,0 @@ -(The MIT License) - -Copyright (c) 2016 Guillermo Rauch (@rauchg) - -Permission is hereby granted, free of charge, to any person obtaining -a copy of this software and associated documentation files (the -'Software'), to deal in the Software without restriction, including -without limitation the rights to use, copy, modify, merge, publish, -distribute, sublicense, and/or sell copies of the Software, and to -permit persons to whom the Software is furnished to do so, subject to -the following conditions: - -The above copyright notice and this permission notice shall be -included in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, -EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY -CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE -SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. \ No newline at end of file diff --git a/examples/axum-echo/node_modules/engine.io-parser/Readme.md b/examples/axum-echo/node_modules/engine.io-parser/Readme.md deleted file mode 100644 index b1096503..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/Readme.md +++ /dev/null @@ -1,158 +0,0 @@ - -# engine.io-parser - -[![Build Status](https://github.com/socketio/engine.io-parser/workflows/CI/badge.svg?branch=main)](https://github.com/socketio/engine.io-parser/actions) -[![NPM version](https://badge.fury.io/js/engine.io-parser.svg)](https://npmjs.com/package/engine.io-parser) - -This is the JavaScript parser for the engine.io protocol encoding, -shared by both -[engine.io-client](https://github.com/socketio/engine.io-client) and -[engine.io](https://github.com/socketio/engine.io). - -## How to use - -### Standalone - -The parser can encode/decode packets, payloads, and payloads as binary -with the following methods: `encodePacket`, `decodePacket`, `encodePayload`, -`decodePayload`. - -Example: - -```js -const parser = require("engine.io-parser"); -const data = Buffer.from([ 1, 2, 3, 4 ]); - -parser.encodePacket({ type: "message", data }, encoded => { - const decodedData = parser.decodePacket(encoded); // decodedData === data -}); -``` - -### With browserify - -Engine.IO Parser is a commonjs module, which means you can include it by using -`require` on the browser and package using [browserify](http://browserify.org/): - -1. install the parser package - - ```shell - npm install engine.io-parser - ``` - -1. write your app code - - ```js - const parser = require("engine.io-parser"); - - const testBuffer = new Int8Array(10); - for (let i = 0; i < testBuffer.length; i++) testBuffer[i] = i; - - const packets = [{ type: "message", data: testBuffer.buffer }, { type: "message", data: "hello" }]; - - parser.encodePayload(packets, encoded => { - parser.decodePayload(encoded, - (packet, index, total) => { - const isLast = index + 1 == total; - if (!isLast) { - const buffer = new Int8Array(packet.data); // testBuffer - } else { - const message = packet.data; // "hello" - } - }); - }); - ``` - -1. build your app bundle - - ```bash - $ browserify app.js > bundle.js - ``` - -1. include on your page - - ```html - - ``` - -## Features - -- Runs on browser and node.js seamlessly -- Runs inside HTML5 WebWorker -- Can encode and decode packets - - Encodes from/to ArrayBuffer or Blob when in browser, and Buffer or ArrayBuffer in Node - -## API - -Note: `cb(type)` means the type is a callback function that contains a parameter of type `type` when called. - -### Node - -- `encodePacket` - - Encodes a packet. - - **Parameters** - - `Object`: the packet to encode, has `type` and `data`. - - `data`: can be a `String`, `Number`, `Buffer`, `ArrayBuffer` - - `Boolean`: binary support - - `Function`: callback, returns the encoded packet (`cb(String)`) -- `decodePacket` - - Decodes a packet. Data also available as an ArrayBuffer if requested. - - Returns data as `String` or (`Blob` on browser, `ArrayBuffer` on Node) - - **Parameters** - - `String` | `ArrayBuffer`: the packet to decode, has `type` and `data` - - `String`: optional, the binary type - -- `encodePayload` - - Encodes multiple messages (payload). - - If any contents are binary, they will be encoded as base64 strings. Base64 - encoded strings are marked with a b before the length specifier - - **Parameters** - - `Array`: an array of packets - - `Function`: callback, returns the encoded payload (`cb(String)`) -- `decodePayload` - - Decodes data when a payload is maybe expected. Possible binary contents are - decoded from their base64 representation. - - **Parameters** - - `String`: the payload - - `Function`: callback, returns (cb(`Object`: packet, `Number`:packet index, `Number`:packet total)) - -## Tests - -Standalone tests can be run with `npm test` which will run the node.js tests. - -Browser tests are run using [zuul](https://github.com/defunctzombie/zuul). -(You must have zuul setup with a saucelabs account.) - -You can run the tests locally using the following command: - -``` -npm run test:browser -``` - -## Support - -The support channels for `engine.io-parser` are the same as `socket.io`: - - irc.freenode.net **#socket.io** - - [Github Discussions](https://github.com/socketio/socket.io/discussions) - - [Website](https://socket.io) - -## Development - -To contribute patches, run tests or benchmarks, make sure to clone the -repository: - -```bash -git clone git://github.com/socketio/engine.io-parser.git -``` - -Then: - -```bash -cd engine.io-parser -npm ci -``` - -See the `Tests` section above for how to run tests before submitting any patches. - -## License - -MIT diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/commons.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/commons.d.ts deleted file mode 100644 index 2eec1ddb..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/commons.d.ts +++ /dev/null @@ -1,14 +0,0 @@ -declare const PACKET_TYPES: any; -declare const PACKET_TYPES_REVERSE: any; -declare const ERROR_PACKET: Packet; -export { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET }; -export declare type PacketType = "open" | "close" | "ping" | "pong" | "message" | "upgrade" | "noop" | "error"; -export declare type RawData = any; -export interface Packet { - type: PacketType; - options?: { - compress: boolean; - }; - data?: RawData; -} -export declare type BinaryType = "nodebuffer" | "arraybuffer" | "blob"; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/commons.js b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/commons.js deleted file mode 100644 index 4a0b629c..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/commons.js +++ /dev/null @@ -1,19 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.ERROR_PACKET = exports.PACKET_TYPES_REVERSE = exports.PACKET_TYPES = void 0; -const PACKET_TYPES = Object.create(null); // no Map = no polyfill -exports.PACKET_TYPES = PACKET_TYPES; -PACKET_TYPES["open"] = "0"; -PACKET_TYPES["close"] = "1"; -PACKET_TYPES["ping"] = "2"; -PACKET_TYPES["pong"] = "3"; -PACKET_TYPES["message"] = "4"; -PACKET_TYPES["upgrade"] = "5"; -PACKET_TYPES["noop"] = "6"; -const PACKET_TYPES_REVERSE = Object.create(null); -exports.PACKET_TYPES_REVERSE = PACKET_TYPES_REVERSE; -Object.keys(PACKET_TYPES).forEach(key => { - PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key; -}); -const ERROR_PACKET = { type: "error", data: "parser error" }; -exports.ERROR_PACKET = ERROR_PACKET; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/contrib/base64-arraybuffer.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/contrib/base64-arraybuffer.d.ts deleted file mode 100644 index 6e0fa6bc..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/contrib/base64-arraybuffer.d.ts +++ /dev/null @@ -1,2 +0,0 @@ -export declare const encode: (arraybuffer: ArrayBuffer) => string; -export declare const decode: (base64: string) => ArrayBuffer; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/contrib/base64-arraybuffer.js b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/contrib/base64-arraybuffer.js deleted file mode 100644 index b92118e5..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/contrib/base64-arraybuffer.js +++ /dev/null @@ -1,48 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.decode = exports.encode = void 0; -// imported from https://github.com/socketio/base64-arraybuffer -const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; -// Use a lookup table to find the index. -const lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256); -for (let i = 0; i < chars.length; i++) { - lookup[chars.charCodeAt(i)] = i; -} -const encode = (arraybuffer) => { - let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = ''; - for (i = 0; i < len; i += 3) { - base64 += chars[bytes[i] >> 2]; - base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)]; - base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)]; - base64 += chars[bytes[i + 2] & 63]; - } - if (len % 3 === 2) { - base64 = base64.substring(0, base64.length - 1) + '='; - } - else if (len % 3 === 1) { - base64 = base64.substring(0, base64.length - 2) + '=='; - } - return base64; -}; -exports.encode = encode; -const decode = (base64) => { - let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4; - if (base64[base64.length - 1] === '=') { - bufferLength--; - if (base64[base64.length - 2] === '=') { - bufferLength--; - } - } - const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer); - for (i = 0; i < len; i += 4) { - encoded1 = lookup[base64.charCodeAt(i)]; - encoded2 = lookup[base64.charCodeAt(i + 1)]; - encoded3 = lookup[base64.charCodeAt(i + 2)]; - encoded4 = lookup[base64.charCodeAt(i + 3)]; - bytes[p++] = (encoded1 << 2) | (encoded2 >> 4); - bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2); - bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63); - } - return arraybuffer; -}; -exports.decode = decode; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.browser.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.browser.d.ts deleted file mode 100644 index 3a38ee52..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.browser.d.ts +++ /dev/null @@ -1,2 +0,0 @@ -import { Packet, BinaryType, RawData } from "./commons.js"; -export declare const decodePacket: (encodedPacket: RawData, binaryType?: BinaryType) => Packet; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.browser.js b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.browser.js deleted file mode 100644 index 6e35ee86..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.browser.js +++ /dev/null @@ -1,66 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.decodePacket = void 0; -const commons_js_1 = require("./commons.js"); -const base64_arraybuffer_js_1 = require("./contrib/base64-arraybuffer.js"); -const withNativeArrayBuffer = typeof ArrayBuffer === "function"; -const decodePacket = (encodedPacket, binaryType) => { - if (typeof encodedPacket !== "string") { - return { - type: "message", - data: mapBinary(encodedPacket, binaryType) - }; - } - const type = encodedPacket.charAt(0); - if (type === "b") { - return { - type: "message", - data: decodeBase64Packet(encodedPacket.substring(1), binaryType) - }; - } - const packetType = commons_js_1.PACKET_TYPES_REVERSE[type]; - if (!packetType) { - return commons_js_1.ERROR_PACKET; - } - return encodedPacket.length > 1 - ? { - type: commons_js_1.PACKET_TYPES_REVERSE[type], - data: encodedPacket.substring(1) - } - : { - type: commons_js_1.PACKET_TYPES_REVERSE[type] - }; -}; -exports.decodePacket = decodePacket; -const decodeBase64Packet = (data, binaryType) => { - if (withNativeArrayBuffer) { - const decoded = (0, base64_arraybuffer_js_1.decode)(data); - return mapBinary(decoded, binaryType); - } - else { - return { base64: true, data }; // fallback for old browsers - } -}; -const mapBinary = (data, binaryType) => { - switch (binaryType) { - case "blob": - if (data instanceof Blob) { - // from WebSocket + binaryType "blob" - return data; - } - else { - // from HTTP long-polling or WebTransport - return new Blob([data]); - } - case "arraybuffer": - default: - if (data instanceof ArrayBuffer) { - // from HTTP long-polling (base64) or WebSocket + binaryType "arraybuffer" - return data; - } - else { - // from WebTransport (Uint8Array) - return data.buffer; - } - } -}; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.d.ts deleted file mode 100644 index 3a38ee52..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.d.ts +++ /dev/null @@ -1,2 +0,0 @@ -import { Packet, BinaryType, RawData } from "./commons.js"; -export declare const decodePacket: (encodedPacket: RawData, binaryType?: BinaryType) => Packet; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.js b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.js deleted file mode 100644 index 71c88723..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/decodePacket.js +++ /dev/null @@ -1,59 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.decodePacket = void 0; -const commons_js_1 = require("./commons.js"); -const decodePacket = (encodedPacket, binaryType) => { - if (typeof encodedPacket !== "string") { - return { - type: "message", - data: mapBinary(encodedPacket, binaryType) - }; - } - const type = encodedPacket.charAt(0); - if (type === "b") { - const buffer = Buffer.from(encodedPacket.substring(1), "base64"); - return { - type: "message", - data: mapBinary(buffer, binaryType) - }; - } - if (!commons_js_1.PACKET_TYPES_REVERSE[type]) { - return commons_js_1.ERROR_PACKET; - } - return encodedPacket.length > 1 - ? { - type: commons_js_1.PACKET_TYPES_REVERSE[type], - data: encodedPacket.substring(1) - } - : { - type: commons_js_1.PACKET_TYPES_REVERSE[type] - }; -}; -exports.decodePacket = decodePacket; -const mapBinary = (data, binaryType) => { - switch (binaryType) { - case "arraybuffer": - if (data instanceof ArrayBuffer) { - // from WebSocket & binaryType "arraybuffer" - return data; - } - else if (Buffer.isBuffer(data)) { - // from HTTP long-polling - return data.buffer.slice(data.byteOffset, data.byteOffset + data.byteLength); - } - else { - // from WebTransport (Uint8Array) - return data.buffer; - } - case "nodebuffer": - default: - if (Buffer.isBuffer(data)) { - // from HTTP long-polling or WebSocket & binaryType "nodebuffer" (default) - return data; - } - else { - // from WebTransport (Uint8Array) - return Buffer.from(data); - } - } -}; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.browser.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.browser.d.ts deleted file mode 100644 index 4a560004..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.browser.d.ts +++ /dev/null @@ -1,4 +0,0 @@ -import { Packet, RawData } from "./commons.js"; -declare const encodePacket: ({ type, data }: Packet, supportsBinary: boolean, callback: (encodedPacket: RawData) => void) => void; -export declare function encodePacketToBinary(packet: Packet, callback: (encodedPacket: RawData) => void): void | Promise; -export { encodePacket }; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.browser.js b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.browser.js deleted file mode 100644 index ae3880a4..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.browser.js +++ /dev/null @@ -1,75 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.encodePacket = exports.encodePacketToBinary = void 0; -const commons_js_1 = require("./commons.js"); -const withNativeBlob = typeof Blob === "function" || - (typeof Blob !== "undefined" && - Object.prototype.toString.call(Blob) === "[object BlobConstructor]"); -const withNativeArrayBuffer = typeof ArrayBuffer === "function"; -// ArrayBuffer.isView method is not defined in IE10 -const isView = obj => { - return typeof ArrayBuffer.isView === "function" - ? ArrayBuffer.isView(obj) - : obj && obj.buffer instanceof ArrayBuffer; -}; -const encodePacket = ({ type, data }, supportsBinary, callback) => { - if (withNativeBlob && data instanceof Blob) { - if (supportsBinary) { - return callback(data); - } - else { - return encodeBlobAsBase64(data, callback); - } - } - else if (withNativeArrayBuffer && - (data instanceof ArrayBuffer || isView(data))) { - if (supportsBinary) { - return callback(data); - } - else { - return encodeBlobAsBase64(new Blob([data]), callback); - } - } - // plain string - return callback(commons_js_1.PACKET_TYPES[type] + (data || "")); -}; -exports.encodePacket = encodePacket; -const encodeBlobAsBase64 = (data, callback) => { - const fileReader = new FileReader(); - fileReader.onload = function () { - const content = fileReader.result.split(",")[1]; - callback("b" + (content || "")); - }; - return fileReader.readAsDataURL(data); -}; -function toArray(data) { - if (data instanceof Uint8Array) { - return data; - } - else if (data instanceof ArrayBuffer) { - return new Uint8Array(data); - } - else { - return new Uint8Array(data.buffer, data.byteOffset, data.byteLength); - } -} -let TEXT_ENCODER; -function encodePacketToBinary(packet, callback) { - if (withNativeBlob && packet.data instanceof Blob) { - return packet.data - .arrayBuffer() - .then(toArray) - .then(callback); - } - else if (withNativeArrayBuffer && - (packet.data instanceof ArrayBuffer || isView(packet.data))) { - return callback(toArray(packet.data)); - } - encodePacket(packet, false, encoded => { - if (!TEXT_ENCODER) { - TEXT_ENCODER = new TextEncoder(); - } - callback(TEXT_ENCODER.encode(encoded)); - }); -} -exports.encodePacketToBinary = encodePacketToBinary; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.d.ts deleted file mode 100644 index 86aec4dc..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.d.ts +++ /dev/null @@ -1,3 +0,0 @@ -import { Packet, RawData } from "./commons.js"; -export declare const encodePacket: ({ type, data }: Packet, supportsBinary: boolean, callback: (encodedPacket: RawData) => void) => void; -export declare function encodePacketToBinary(packet: Packet, callback: (encodedPacket: RawData) => void): void; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.js b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.js deleted file mode 100644 index 8845952d..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/encodePacket.js +++ /dev/null @@ -1,38 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.encodePacketToBinary = exports.encodePacket = void 0; -const commons_js_1 = require("./commons.js"); -const encodePacket = ({ type, data }, supportsBinary, callback) => { - if (data instanceof ArrayBuffer || ArrayBuffer.isView(data)) { - return callback(supportsBinary ? data : "b" + toBuffer(data, true).toString("base64")); - } - // plain string - return callback(commons_js_1.PACKET_TYPES[type] + (data || "")); -}; -exports.encodePacket = encodePacket; -const toBuffer = (data, forceBufferConversion) => { - if (Buffer.isBuffer(data) || - (data instanceof Uint8Array && !forceBufferConversion)) { - return data; - } - else if (data instanceof ArrayBuffer) { - return Buffer.from(data); - } - else { - return Buffer.from(data.buffer, data.byteOffset, data.byteLength); - } -}; -let TEXT_ENCODER; -function encodePacketToBinary(packet, callback) { - if (packet.data instanceof ArrayBuffer || ArrayBuffer.isView(packet.data)) { - return callback(toBuffer(packet.data, false)); - } - (0, exports.encodePacket)(packet, true, encoded => { - if (!TEXT_ENCODER) { - // lazily created for compatibility with Node.js 10 - TEXT_ENCODER = new TextEncoder(); - } - callback(TEXT_ENCODER.encode(encoded)); - }); -} -exports.encodePacketToBinary = encodePacketToBinary; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/index.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/index.d.ts deleted file mode 100644 index 594c4e19..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/index.d.ts +++ /dev/null @@ -1,9 +0,0 @@ -import { encodePacket } from "./encodePacket.js"; -import { decodePacket } from "./decodePacket.js"; -import { Packet, PacketType, RawData, BinaryType } from "./commons.js"; -declare const encodePayload: (packets: Packet[], callback: (encodedPayload: string) => void) => void; -declare const decodePayload: (encodedPayload: string, binaryType?: BinaryType) => Packet[]; -export declare function createPacketEncoderStream(): TransformStream; -export declare function createPacketDecoderStream(maxPayload: number, binaryType: BinaryType): TransformStream; -export declare const protocol = 4; -export { encodePacket, encodePayload, decodePacket, decodePayload, Packet, PacketType, RawData, BinaryType }; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/index.js b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/index.js deleted file mode 100644 index 06504c5d..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/index.js +++ /dev/null @@ -1,164 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.decodePayload = exports.decodePacket = exports.encodePayload = exports.encodePacket = exports.protocol = exports.createPacketDecoderStream = exports.createPacketEncoderStream = void 0; -const encodePacket_js_1 = require("./encodePacket.js"); -Object.defineProperty(exports, "encodePacket", { enumerable: true, get: function () { return encodePacket_js_1.encodePacket; } }); -const decodePacket_js_1 = require("./decodePacket.js"); -Object.defineProperty(exports, "decodePacket", { enumerable: true, get: function () { return decodePacket_js_1.decodePacket; } }); -const commons_js_1 = require("./commons.js"); -const SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text -const encodePayload = (packets, callback) => { - // some packets may be added to the array while encoding, so the initial length must be saved - const length = packets.length; - const encodedPackets = new Array(length); - let count = 0; - packets.forEach((packet, i) => { - // force base64 encoding for binary packets - (0, encodePacket_js_1.encodePacket)(packet, false, encodedPacket => { - encodedPackets[i] = encodedPacket; - if (++count === length) { - callback(encodedPackets.join(SEPARATOR)); - } - }); - }); -}; -exports.encodePayload = encodePayload; -const decodePayload = (encodedPayload, binaryType) => { - const encodedPackets = encodedPayload.split(SEPARATOR); - const packets = []; - for (let i = 0; i < encodedPackets.length; i++) { - const decodedPacket = (0, decodePacket_js_1.decodePacket)(encodedPackets[i], binaryType); - packets.push(decodedPacket); - if (decodedPacket.type === "error") { - break; - } - } - return packets; -}; -exports.decodePayload = decodePayload; -function createPacketEncoderStream() { - return new TransformStream({ - transform(packet, controller) { - (0, encodePacket_js_1.encodePacketToBinary)(packet, encodedPacket => { - const payloadLength = encodedPacket.length; - let header; - // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length - if (payloadLength < 126) { - header = new Uint8Array(1); - new DataView(header.buffer).setUint8(0, payloadLength); - } - else if (payloadLength < 65536) { - header = new Uint8Array(3); - const view = new DataView(header.buffer); - view.setUint8(0, 126); - view.setUint16(1, payloadLength); - } - else { - header = new Uint8Array(9); - const view = new DataView(header.buffer); - view.setUint8(0, 127); - view.setBigUint64(1, BigInt(payloadLength)); - } - // first bit indicates whether the payload is plain text (0) or binary (1) - if (packet.data && typeof packet.data !== "string") { - header[0] |= 0x80; - } - controller.enqueue(header); - controller.enqueue(encodedPacket); - }); - } - }); -} -exports.createPacketEncoderStream = createPacketEncoderStream; -let TEXT_DECODER; -function totalLength(chunks) { - return chunks.reduce((acc, chunk) => acc + chunk.length, 0); -} -function concatChunks(chunks, size) { - if (chunks[0].length === size) { - return chunks.shift(); - } - const buffer = new Uint8Array(size); - let j = 0; - for (let i = 0; i < size; i++) { - buffer[i] = chunks[0][j++]; - if (j === chunks[0].length) { - chunks.shift(); - j = 0; - } - } - if (chunks.length && j < chunks[0].length) { - chunks[0] = chunks[0].slice(j); - } - return buffer; -} -function createPacketDecoderStream(maxPayload, binaryType) { - if (!TEXT_DECODER) { - TEXT_DECODER = new TextDecoder(); - } - const chunks = []; - let state = 0 /* READ_HEADER */; - let expectedLength = -1; - let isBinary = false; - return new TransformStream({ - transform(chunk, controller) { - chunks.push(chunk); - while (true) { - if (state === 0 /* READ_HEADER */) { - if (totalLength(chunks) < 1) { - break; - } - const header = concatChunks(chunks, 1); - isBinary = (header[0] & 0x80) === 0x80; - expectedLength = header[0] & 0x7f; - if (expectedLength < 126) { - state = 3 /* READ_PAYLOAD */; - } - else if (expectedLength === 126) { - state = 1 /* READ_EXTENDED_LENGTH_16 */; - } - else { - state = 2 /* READ_EXTENDED_LENGTH_64 */; - } - } - else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) { - if (totalLength(chunks) < 2) { - break; - } - const headerArray = concatChunks(chunks, 2); - expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0); - state = 3 /* READ_PAYLOAD */; - } - else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) { - if (totalLength(chunks) < 8) { - break; - } - const headerArray = concatChunks(chunks, 8); - const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length); - const n = view.getUint32(0); - if (n > Math.pow(2, 53 - 32) - 1) { - // the maximum safe integer in JavaScript is 2^53 - 1 - controller.enqueue(commons_js_1.ERROR_PACKET); - break; - } - expectedLength = n * Math.pow(2, 32) + view.getUint32(4); - state = 3 /* READ_PAYLOAD */; - } - else { - if (totalLength(chunks) < expectedLength) { - break; - } - const data = concatChunks(chunks, expectedLength); - controller.enqueue((0, decodePacket_js_1.decodePacket)(isBinary ? data : TEXT_DECODER.decode(data), binaryType)); - state = 0 /* READ_HEADER */; - } - if (expectedLength === 0 || expectedLength > maxPayload) { - controller.enqueue(commons_js_1.ERROR_PACKET); - break; - } - } - } - }); -} -exports.createPacketDecoderStream = createPacketDecoderStream; -exports.protocol = 4; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/package.json b/examples/axum-echo/node_modules/engine.io-parser/build/cjs/package.json deleted file mode 100644 index bdc4dbd5..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/cjs/package.json +++ /dev/null @@ -1,8 +0,0 @@ -{ - "name": "engine.io-parser", - "type": "commonjs", - "browser": { - "./encodePacket.js": "./encodePacket.browser.js", - "./decodePacket.js": "./decodePacket.browser.js" - } -} diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/commons.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/esm/commons.d.ts deleted file mode 100644 index 2eec1ddb..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/esm/commons.d.ts +++ /dev/null @@ -1,14 +0,0 @@ -declare const PACKET_TYPES: any; -declare const PACKET_TYPES_REVERSE: any; -declare const ERROR_PACKET: Packet; -export { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET }; -export declare type PacketType = "open" | "close" | "ping" | "pong" | "message" | "upgrade" | "noop" | "error"; -export declare type RawData = any; -export interface Packet { - type: PacketType; - options?: { - compress: boolean; - }; - data?: RawData; -} -export declare type BinaryType = "nodebuffer" | "arraybuffer" | "blob"; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/commons.js b/examples/axum-echo/node_modules/engine.io-parser/build/esm/commons.js deleted file mode 100644 index c003b580..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/esm/commons.js +++ /dev/null @@ -1,14 +0,0 @@ -const PACKET_TYPES = Object.create(null); // no Map = no polyfill -PACKET_TYPES["open"] = "0"; -PACKET_TYPES["close"] = "1"; -PACKET_TYPES["ping"] = "2"; -PACKET_TYPES["pong"] = "3"; -PACKET_TYPES["message"] = "4"; -PACKET_TYPES["upgrade"] = "5"; -PACKET_TYPES["noop"] = "6"; -const PACKET_TYPES_REVERSE = Object.create(null); -Object.keys(PACKET_TYPES).forEach(key => { - PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key; -}); -const ERROR_PACKET = { type: "error", data: "parser error" }; -export { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET }; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.d.ts deleted file mode 100644 index 6e0fa6bc..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.d.ts +++ /dev/null @@ -1,2 +0,0 @@ -export declare const encode: (arraybuffer: ArrayBuffer) => string; -export declare const decode: (base64: string) => ArrayBuffer; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.js b/examples/axum-echo/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.js deleted file mode 100644 index b5443847..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.js +++ /dev/null @@ -1,43 +0,0 @@ -// imported from https://github.com/socketio/base64-arraybuffer -const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; -// Use a lookup table to find the index. -const lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256); -for (let i = 0; i < chars.length; i++) { - lookup[chars.charCodeAt(i)] = i; -} -export const encode = (arraybuffer) => { - let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = ''; - for (i = 0; i < len; i += 3) { - base64 += chars[bytes[i] >> 2]; - base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)]; - base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)]; - base64 += chars[bytes[i + 2] & 63]; - } - if (len % 3 === 2) { - base64 = base64.substring(0, base64.length - 1) + '='; - } - else if (len % 3 === 1) { - base64 = base64.substring(0, base64.length - 2) + '=='; - } - return base64; -}; -export const decode = (base64) => { - let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4; - if (base64[base64.length - 1] === '=') { - bufferLength--; - if (base64[base64.length - 2] === '=') { - bufferLength--; - } - } - const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer); - for (i = 0; i < len; i += 4) { - encoded1 = lookup[base64.charCodeAt(i)]; - encoded2 = lookup[base64.charCodeAt(i + 1)]; - encoded3 = lookup[base64.charCodeAt(i + 2)]; - encoded4 = lookup[base64.charCodeAt(i + 3)]; - bytes[p++] = (encoded1 << 2) | (encoded2 >> 4); - bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2); - bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63); - } - return arraybuffer; -}; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.browser.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.browser.d.ts deleted file mode 100644 index 3a38ee52..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.browser.d.ts +++ /dev/null @@ -1,2 +0,0 @@ -import { Packet, BinaryType, RawData } from "./commons.js"; -export declare const decodePacket: (encodedPacket: RawData, binaryType?: BinaryType) => Packet; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.browser.js b/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.browser.js deleted file mode 100644 index 7e8818e5..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.browser.js +++ /dev/null @@ -1,62 +0,0 @@ -import { ERROR_PACKET, PACKET_TYPES_REVERSE } from "./commons.js"; -import { decode } from "./contrib/base64-arraybuffer.js"; -const withNativeArrayBuffer = typeof ArrayBuffer === "function"; -export const decodePacket = (encodedPacket, binaryType) => { - if (typeof encodedPacket !== "string") { - return { - type: "message", - data: mapBinary(encodedPacket, binaryType) - }; - } - const type = encodedPacket.charAt(0); - if (type === "b") { - return { - type: "message", - data: decodeBase64Packet(encodedPacket.substring(1), binaryType) - }; - } - const packetType = PACKET_TYPES_REVERSE[type]; - if (!packetType) { - return ERROR_PACKET; - } - return encodedPacket.length > 1 - ? { - type: PACKET_TYPES_REVERSE[type], - data: encodedPacket.substring(1) - } - : { - type: PACKET_TYPES_REVERSE[type] - }; -}; -const decodeBase64Packet = (data, binaryType) => { - if (withNativeArrayBuffer) { - const decoded = decode(data); - return mapBinary(decoded, binaryType); - } - else { - return { base64: true, data }; // fallback for old browsers - } -}; -const mapBinary = (data, binaryType) => { - switch (binaryType) { - case "blob": - if (data instanceof Blob) { - // from WebSocket + binaryType "blob" - return data; - } - else { - // from HTTP long-polling or WebTransport - return new Blob([data]); - } - case "arraybuffer": - default: - if (data instanceof ArrayBuffer) { - // from HTTP long-polling (base64) or WebSocket + binaryType "arraybuffer" - return data; - } - else { - // from WebTransport (Uint8Array) - return data.buffer; - } - } -}; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.d.ts deleted file mode 100644 index 3a38ee52..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.d.ts +++ /dev/null @@ -1,2 +0,0 @@ -import { Packet, BinaryType, RawData } from "./commons.js"; -export declare const decodePacket: (encodedPacket: RawData, binaryType?: BinaryType) => Packet; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.js b/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.js deleted file mode 100644 index e899d638..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/esm/decodePacket.js +++ /dev/null @@ -1,55 +0,0 @@ -import { ERROR_PACKET, PACKET_TYPES_REVERSE } from "./commons.js"; -export const decodePacket = (encodedPacket, binaryType) => { - if (typeof encodedPacket !== "string") { - return { - type: "message", - data: mapBinary(encodedPacket, binaryType) - }; - } - const type = encodedPacket.charAt(0); - if (type === "b") { - const buffer = Buffer.from(encodedPacket.substring(1), "base64"); - return { - type: "message", - data: mapBinary(buffer, binaryType) - }; - } - if (!PACKET_TYPES_REVERSE[type]) { - return ERROR_PACKET; - } - return encodedPacket.length > 1 - ? { - type: PACKET_TYPES_REVERSE[type], - data: encodedPacket.substring(1) - } - : { - type: PACKET_TYPES_REVERSE[type] - }; -}; -const mapBinary = (data, binaryType) => { - switch (binaryType) { - case "arraybuffer": - if (data instanceof ArrayBuffer) { - // from WebSocket & binaryType "arraybuffer" - return data; - } - else if (Buffer.isBuffer(data)) { - // from HTTP long-polling - return data.buffer.slice(data.byteOffset, data.byteOffset + data.byteLength); - } - else { - // from WebTransport (Uint8Array) - return data.buffer; - } - case "nodebuffer": - default: - if (Buffer.isBuffer(data)) { - // from HTTP long-polling or WebSocket & binaryType "nodebuffer" (default) - return data; - } - else { - // from WebTransport (Uint8Array) - return Buffer.from(data); - } - } -}; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.browser.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.browser.d.ts deleted file mode 100644 index 4a560004..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.browser.d.ts +++ /dev/null @@ -1,4 +0,0 @@ -import { Packet, RawData } from "./commons.js"; -declare const encodePacket: ({ type, data }: Packet, supportsBinary: boolean, callback: (encodedPacket: RawData) => void) => void; -export declare function encodePacketToBinary(packet: Packet, callback: (encodedPacket: RawData) => void): void | Promise; -export { encodePacket }; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.browser.js b/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.browser.js deleted file mode 100644 index ffb5d0fa..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.browser.js +++ /dev/null @@ -1,71 +0,0 @@ -import { PACKET_TYPES } from "./commons.js"; -const withNativeBlob = typeof Blob === "function" || - (typeof Blob !== "undefined" && - Object.prototype.toString.call(Blob) === "[object BlobConstructor]"); -const withNativeArrayBuffer = typeof ArrayBuffer === "function"; -// ArrayBuffer.isView method is not defined in IE10 -const isView = obj => { - return typeof ArrayBuffer.isView === "function" - ? ArrayBuffer.isView(obj) - : obj && obj.buffer instanceof ArrayBuffer; -}; -const encodePacket = ({ type, data }, supportsBinary, callback) => { - if (withNativeBlob && data instanceof Blob) { - if (supportsBinary) { - return callback(data); - } - else { - return encodeBlobAsBase64(data, callback); - } - } - else if (withNativeArrayBuffer && - (data instanceof ArrayBuffer || isView(data))) { - if (supportsBinary) { - return callback(data); - } - else { - return encodeBlobAsBase64(new Blob([data]), callback); - } - } - // plain string - return callback(PACKET_TYPES[type] + (data || "")); -}; -const encodeBlobAsBase64 = (data, callback) => { - const fileReader = new FileReader(); - fileReader.onload = function () { - const content = fileReader.result.split(",")[1]; - callback("b" + (content || "")); - }; - return fileReader.readAsDataURL(data); -}; -function toArray(data) { - if (data instanceof Uint8Array) { - return data; - } - else if (data instanceof ArrayBuffer) { - return new Uint8Array(data); - } - else { - return new Uint8Array(data.buffer, data.byteOffset, data.byteLength); - } -} -let TEXT_ENCODER; -export function encodePacketToBinary(packet, callback) { - if (withNativeBlob && packet.data instanceof Blob) { - return packet.data - .arrayBuffer() - .then(toArray) - .then(callback); - } - else if (withNativeArrayBuffer && - (packet.data instanceof ArrayBuffer || isView(packet.data))) { - return callback(toArray(packet.data)); - } - encodePacket(packet, false, encoded => { - if (!TEXT_ENCODER) { - TEXT_ENCODER = new TextEncoder(); - } - callback(TEXT_ENCODER.encode(encoded)); - }); -} -export { encodePacket }; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.d.ts deleted file mode 100644 index 86aec4dc..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.d.ts +++ /dev/null @@ -1,3 +0,0 @@ -import { Packet, RawData } from "./commons.js"; -export declare const encodePacket: ({ type, data }: Packet, supportsBinary: boolean, callback: (encodedPacket: RawData) => void) => void; -export declare function encodePacketToBinary(packet: Packet, callback: (encodedPacket: RawData) => void): void; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.js b/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.js deleted file mode 100644 index ecb73412..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/esm/encodePacket.js +++ /dev/null @@ -1,33 +0,0 @@ -import { PACKET_TYPES } from "./commons.js"; -export const encodePacket = ({ type, data }, supportsBinary, callback) => { - if (data instanceof ArrayBuffer || ArrayBuffer.isView(data)) { - return callback(supportsBinary ? data : "b" + toBuffer(data, true).toString("base64")); - } - // plain string - return callback(PACKET_TYPES[type] + (data || "")); -}; -const toBuffer = (data, forceBufferConversion) => { - if (Buffer.isBuffer(data) || - (data instanceof Uint8Array && !forceBufferConversion)) { - return data; - } - else if (data instanceof ArrayBuffer) { - return Buffer.from(data); - } - else { - return Buffer.from(data.buffer, data.byteOffset, data.byteLength); - } -}; -let TEXT_ENCODER; -export function encodePacketToBinary(packet, callback) { - if (packet.data instanceof ArrayBuffer || ArrayBuffer.isView(packet.data)) { - return callback(toBuffer(packet.data, false)); - } - encodePacket(packet, true, encoded => { - if (!TEXT_ENCODER) { - // lazily created for compatibility with Node.js 10 - TEXT_ENCODER = new TextEncoder(); - } - callback(TEXT_ENCODER.encode(encoded)); - }); -} diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/index.d.ts b/examples/axum-echo/node_modules/engine.io-parser/build/esm/index.d.ts deleted file mode 100644 index 594c4e19..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/esm/index.d.ts +++ /dev/null @@ -1,9 +0,0 @@ -import { encodePacket } from "./encodePacket.js"; -import { decodePacket } from "./decodePacket.js"; -import { Packet, PacketType, RawData, BinaryType } from "./commons.js"; -declare const encodePayload: (packets: Packet[], callback: (encodedPayload: string) => void) => void; -declare const decodePayload: (encodedPayload: string, binaryType?: BinaryType) => Packet[]; -export declare function createPacketEncoderStream(): TransformStream; -export declare function createPacketDecoderStream(maxPayload: number, binaryType: BinaryType): TransformStream; -export declare const protocol = 4; -export { encodePacket, encodePayload, decodePacket, decodePayload, Packet, PacketType, RawData, BinaryType }; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/index.js b/examples/axum-echo/node_modules/engine.io-parser/build/esm/index.js deleted file mode 100644 index aa21a645..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/esm/index.js +++ /dev/null @@ -1,156 +0,0 @@ -import { encodePacket, encodePacketToBinary } from "./encodePacket.js"; -import { decodePacket } from "./decodePacket.js"; -import { ERROR_PACKET } from "./commons.js"; -const SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text -const encodePayload = (packets, callback) => { - // some packets may be added to the array while encoding, so the initial length must be saved - const length = packets.length; - const encodedPackets = new Array(length); - let count = 0; - packets.forEach((packet, i) => { - // force base64 encoding for binary packets - encodePacket(packet, false, encodedPacket => { - encodedPackets[i] = encodedPacket; - if (++count === length) { - callback(encodedPackets.join(SEPARATOR)); - } - }); - }); -}; -const decodePayload = (encodedPayload, binaryType) => { - const encodedPackets = encodedPayload.split(SEPARATOR); - const packets = []; - for (let i = 0; i < encodedPackets.length; i++) { - const decodedPacket = decodePacket(encodedPackets[i], binaryType); - packets.push(decodedPacket); - if (decodedPacket.type === "error") { - break; - } - } - return packets; -}; -export function createPacketEncoderStream() { - return new TransformStream({ - transform(packet, controller) { - encodePacketToBinary(packet, encodedPacket => { - const payloadLength = encodedPacket.length; - let header; - // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length - if (payloadLength < 126) { - header = new Uint8Array(1); - new DataView(header.buffer).setUint8(0, payloadLength); - } - else if (payloadLength < 65536) { - header = new Uint8Array(3); - const view = new DataView(header.buffer); - view.setUint8(0, 126); - view.setUint16(1, payloadLength); - } - else { - header = new Uint8Array(9); - const view = new DataView(header.buffer); - view.setUint8(0, 127); - view.setBigUint64(1, BigInt(payloadLength)); - } - // first bit indicates whether the payload is plain text (0) or binary (1) - if (packet.data && typeof packet.data !== "string") { - header[0] |= 0x80; - } - controller.enqueue(header); - controller.enqueue(encodedPacket); - }); - } - }); -} -let TEXT_DECODER; -function totalLength(chunks) { - return chunks.reduce((acc, chunk) => acc + chunk.length, 0); -} -function concatChunks(chunks, size) { - if (chunks[0].length === size) { - return chunks.shift(); - } - const buffer = new Uint8Array(size); - let j = 0; - for (let i = 0; i < size; i++) { - buffer[i] = chunks[0][j++]; - if (j === chunks[0].length) { - chunks.shift(); - j = 0; - } - } - if (chunks.length && j < chunks[0].length) { - chunks[0] = chunks[0].slice(j); - } - return buffer; -} -export function createPacketDecoderStream(maxPayload, binaryType) { - if (!TEXT_DECODER) { - TEXT_DECODER = new TextDecoder(); - } - const chunks = []; - let state = 0 /* READ_HEADER */; - let expectedLength = -1; - let isBinary = false; - return new TransformStream({ - transform(chunk, controller) { - chunks.push(chunk); - while (true) { - if (state === 0 /* READ_HEADER */) { - if (totalLength(chunks) < 1) { - break; - } - const header = concatChunks(chunks, 1); - isBinary = (header[0] & 0x80) === 0x80; - expectedLength = header[0] & 0x7f; - if (expectedLength < 126) { - state = 3 /* READ_PAYLOAD */; - } - else if (expectedLength === 126) { - state = 1 /* READ_EXTENDED_LENGTH_16 */; - } - else { - state = 2 /* READ_EXTENDED_LENGTH_64 */; - } - } - else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) { - if (totalLength(chunks) < 2) { - break; - } - const headerArray = concatChunks(chunks, 2); - expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0); - state = 3 /* READ_PAYLOAD */; - } - else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) { - if (totalLength(chunks) < 8) { - break; - } - const headerArray = concatChunks(chunks, 8); - const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length); - const n = view.getUint32(0); - if (n > Math.pow(2, 53 - 32) - 1) { - // the maximum safe integer in JavaScript is 2^53 - 1 - controller.enqueue(ERROR_PACKET); - break; - } - expectedLength = n * Math.pow(2, 32) + view.getUint32(4); - state = 3 /* READ_PAYLOAD */; - } - else { - if (totalLength(chunks) < expectedLength) { - break; - } - const data = concatChunks(chunks, expectedLength); - controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType)); - state = 0 /* READ_HEADER */; - } - if (expectedLength === 0 || expectedLength > maxPayload) { - controller.enqueue(ERROR_PACKET); - break; - } - } - } - }); -} -export const protocol = 4; -export { encodePacket, encodePayload, decodePacket, decodePayload }; diff --git a/examples/axum-echo/node_modules/engine.io-parser/build/esm/package.json b/examples/axum-echo/node_modules/engine.io-parser/build/esm/package.json deleted file mode 100644 index 6f2c74aa..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/build/esm/package.json +++ /dev/null @@ -1,8 +0,0 @@ -{ - "name": "engine.io-parser", - "type": "module", - "browser": { - "./encodePacket.js": "./encodePacket.browser.js", - "./decodePacket.js": "./decodePacket.browser.js" - } -} diff --git a/examples/axum-echo/node_modules/engine.io-parser/package.json b/examples/axum-echo/node_modules/engine.io-parser/package.json deleted file mode 100644 index ba929925..00000000 --- a/examples/axum-echo/node_modules/engine.io-parser/package.json +++ /dev/null @@ -1,59 +0,0 @@ -{ - "name": "engine.io-parser", - "description": "Parser for the client for the realtime Engine", - "license": "MIT", - "version": "5.2.1", - "main": "./build/cjs/index.js", - "module": "./build/esm/index.js", - "exports": { - "import": "./build/esm/index.js", - "require": "./build/cjs/index.js" - }, - "types": "build/esm/index.d.ts", - "homepage": "https://github.com/socketio/engine.io-parser", - "devDependencies": { - "@babel/core": "~7.9.6", - "@babel/preset-env": "~7.9.6", - "@types/mocha": "^9.0.0", - "@types/node": "^16.9.6", - "babelify": "^10.0.0", - "benchmark": "^2.1.4", - "expect.js": "0.3.1", - "mocha": "^5.2.0", - "nyc": "~15.0.1", - "prettier": "^1.19.1", - "rimraf": "^3.0.2", - "socket.io-browsers": "^1.0.4", - "ts-node": "^10.2.1", - "tsify": "^5.0.4", - "typescript": "^4.4.3", - "zuul": "3.11.1", - "zuul-ngrok": "4.0.0" - }, - "scripts": { - "compile": "rimraf ./build && tsc && tsc -p tsconfig.esm.json && ./postcompile.sh", - "test": "npm run format:check && npm run compile && if test \"$BROWSERS\" = \"1\" ; then npm run test:browser; else npm run test:node; fi", - "test:node": "nyc mocha -r ts-node/register test/index.ts", - "test:browser": "zuul test/index.ts --no-coverage", - "format:check": "prettier --check 'lib/**/*.ts' 'test/**/*.ts'", - "format:fix": "prettier --write 'lib/**/*.ts' 'test/**/*.ts'", - "prepack": "npm run compile" - }, - "repository": { - "type": "git", - "url": "git@github.com:socketio/engine.io-parser.git" - }, - "files": [ - "build/" - ], - "browser": { - "./test/node": "./test/browser", - "./build/esm/encodePacket.js": "./build/esm/encodePacket.browser.js", - "./build/esm/decodePacket.js": "./build/esm/decodePacket.browser.js", - "./build/cjs/encodePacket.js": "./build/cjs/encodePacket.browser.js", - "./build/cjs/decodePacket.js": "./build/cjs/decodePacket.browser.js" - }, - "engines": { - "node": ">=10.0.0" - } -} diff --git a/examples/axum-echo/node_modules/ms/index.js b/examples/axum-echo/node_modules/ms/index.js deleted file mode 100644 index c4498bcc..00000000 --- a/examples/axum-echo/node_modules/ms/index.js +++ /dev/null @@ -1,162 +0,0 @@ -/** - * Helpers. - */ - -var s = 1000; -var m = s * 60; -var h = m * 60; -var d = h * 24; -var w = d * 7; -var y = d * 365.25; - -/** - * Parse or format the given `val`. - * - * Options: - * - * - `long` verbose formatting [false] - * - * @param {String|Number} val - * @param {Object} [options] - * @throws {Error} throw an error if val is not a non-empty string or a number - * @return {String|Number} - * @api public - */ - -module.exports = function(val, options) { - options = options || {}; - var type = typeof val; - if (type === 'string' && val.length > 0) { - return parse(val); - } else if (type === 'number' && isFinite(val)) { - return options.long ? fmtLong(val) : fmtShort(val); - } - throw new Error( - 'val is not a non-empty string or a valid number. val=' + - JSON.stringify(val) - ); -}; - -/** - * Parse the given `str` and return milliseconds. - * - * @param {String} str - * @return {Number} - * @api private - */ - -function parse(str) { - str = String(str); - if (str.length > 100) { - return; - } - var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec( - str - ); - if (!match) { - return; - } - var n = parseFloat(match[1]); - var type = (match[2] || 'ms').toLowerCase(); - switch (type) { - case 'years': - case 'year': - case 'yrs': - case 'yr': - case 'y': - return n * y; - case 'weeks': - case 'week': - case 'w': - return n * w; - case 'days': - case 'day': - case 'd': - return n * d; - case 'hours': - case 'hour': - case 'hrs': - case 'hr': - case 'h': - return n * h; - case 'minutes': - case 'minute': - case 'mins': - case 'min': - case 'm': - return n * m; - case 'seconds': - case 'second': - case 'secs': - case 'sec': - case 's': - return n * s; - case 'milliseconds': - case 'millisecond': - case 'msecs': - case 'msec': - case 'ms': - return n; - default: - return undefined; - } -} - -/** - * Short format for `ms`. - * - * @param {Number} ms - * @return {String} - * @api private - */ - -function fmtShort(ms) { - var msAbs = Math.abs(ms); - if (msAbs >= d) { - return Math.round(ms / d) + 'd'; - } - if (msAbs >= h) { - return Math.round(ms / h) + 'h'; - } - if (msAbs >= m) { - return Math.round(ms / m) + 'm'; - } - if (msAbs >= s) { - return Math.round(ms / s) + 's'; - } - return ms + 'ms'; -} - -/** - * Long format for `ms`. - * - * @param {Number} ms - * @return {String} - * @api private - */ - -function fmtLong(ms) { - var msAbs = Math.abs(ms); - if (msAbs >= d) { - return plural(ms, msAbs, d, 'day'); - } - if (msAbs >= h) { - return plural(ms, msAbs, h, 'hour'); - } - if (msAbs >= m) { - return plural(ms, msAbs, m, 'minute'); - } - if (msAbs >= s) { - return plural(ms, msAbs, s, 'second'); - } - return ms + ' ms'; -} - -/** - * Pluralization helper. - */ - -function plural(ms, msAbs, n, name) { - var isPlural = msAbs >= n * 1.5; - return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : ''); -} diff --git a/examples/axum-echo/node_modules/ms/license.md b/examples/axum-echo/node_modules/ms/license.md deleted file mode 100644 index 69b61253..00000000 --- a/examples/axum-echo/node_modules/ms/license.md +++ /dev/null @@ -1,21 +0,0 @@ -The MIT License (MIT) - -Copyright (c) 2016 Zeit, Inc. - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/examples/axum-echo/node_modules/ms/package.json b/examples/axum-echo/node_modules/ms/package.json deleted file mode 100644 index eea666e1..00000000 --- a/examples/axum-echo/node_modules/ms/package.json +++ /dev/null @@ -1,37 +0,0 @@ -{ - "name": "ms", - "version": "2.1.2", - "description": "Tiny millisecond conversion utility", - "repository": "zeit/ms", - "main": "./index", - "files": [ - "index.js" - ], - "scripts": { - "precommit": "lint-staged", - "lint": "eslint lib/* bin/*", - "test": "mocha tests.js" - }, - "eslintConfig": { - "extends": "eslint:recommended", - "env": { - "node": true, - "es6": true - } - }, - "lint-staged": { - "*.js": [ - "npm run lint", - "prettier --single-quote --write", - "git add" - ] - }, - "license": "MIT", - "devDependencies": { - "eslint": "4.12.1", - "expect.js": "0.3.1", - "husky": "0.14.3", - "lint-staged": "5.0.0", - "mocha": "4.0.1" - } -} diff --git a/examples/axum-echo/node_modules/ms/readme.md b/examples/axum-echo/node_modules/ms/readme.md deleted file mode 100644 index 9a1996b1..00000000 --- a/examples/axum-echo/node_modules/ms/readme.md +++ /dev/null @@ -1,60 +0,0 @@ -# ms - -[![Build Status](https://travis-ci.org/zeit/ms.svg?branch=master)](https://travis-ci.org/zeit/ms) -[![Join the community on Spectrum](https://withspectrum.github.io/badge/badge.svg)](https://spectrum.chat/zeit) - -Use this package to easily convert various time formats to milliseconds. - -## Examples - -```js -ms('2 days') // 172800000 -ms('1d') // 86400000 -ms('10h') // 36000000 -ms('2.5 hrs') // 9000000 -ms('2h') // 7200000 -ms('1m') // 60000 -ms('5s') // 5000 -ms('1y') // 31557600000 -ms('100') // 100 -ms('-3 days') // -259200000 -ms('-1h') // -3600000 -ms('-200') // -200 -``` - -### Convert from Milliseconds - -```js -ms(60000) // "1m" -ms(2 * 60000) // "2m" -ms(-3 * 60000) // "-3m" -ms(ms('10 hours')) // "10h" -``` - -### Time Format Written-Out - -```js -ms(60000, { long: true }) // "1 minute" -ms(2 * 60000, { long: true }) // "2 minutes" -ms(-3 * 60000, { long: true }) // "-3 minutes" -ms(ms('10 hours'), { long: true }) // "10 hours" -``` - -## Features - -- Works both in [Node.js](https://nodejs.org) and in the browser -- If a number is supplied to `ms`, a string with a unit is returned -- If a string that contains the number is supplied, it returns it as a number (e.g.: it returns `100` for `'100'`) -- If you pass a string with a number and a valid unit, the number of equivalent milliseconds is returned - -## Related Packages - -- [ms.macro](https://github.com/knpwrs/ms.macro) - Run `ms` as a macro at build-time. - -## Caught a Bug? - -1. [Fork](https://help.github.com/articles/fork-a-repo/) this repository to your own GitHub account and then [clone](https://help.github.com/articles/cloning-a-repository/) it to your local device -2. Link the package to the global module directory: `npm link` -3. Within the module you want to test your local development instance of ms, just link it to the dependencies: `npm link ms`. Instead of the default one from npm, Node.js will now use your clone of ms! - -As always, you can run the tests using: `npm test` diff --git a/examples/axum-echo/node_modules/socket.io-client/LICENSE b/examples/axum-echo/node_modules/socket.io-client/LICENSE deleted file mode 100644 index 9338df18..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/LICENSE +++ /dev/null @@ -1,22 +0,0 @@ -The MIT License (MIT) - -Copyright (c) 2014 Guillermo Rauch - - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. \ No newline at end of file diff --git a/examples/axum-echo/node_modules/socket.io-client/README.md b/examples/axum-echo/node_modules/socket.io-client/README.md deleted file mode 100644 index b0f199ee..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/README.md +++ /dev/null @@ -1,29 +0,0 @@ - -# socket.io-client - -[![Build Status](https://github.com/socketio/socket.io-client/workflows/CI/badge.svg?branch=main)](https://github.com/socketio/socket.io-client/actions) -[![NPM version](https://badge.fury.io/js/socket.io-client.svg)](https://www.npmjs.com/package/socket.io-client) -![Downloads](http://img.shields.io/npm/dm/socket.io-client.svg?style=flat) -[![](http://slack.socket.io/badge.svg?)](http://slack.socket.io) - -[![Sauce Test Status](https://saucelabs.com/browser-matrix/socket.svg)](https://saucelabs.com/u/socket) - -## Documentation - -Please see the documentation [here](https://socket.io/docs/v4/client-initialization/). - -The source code of the website can be found [here](https://github.com/socketio/socket.io-website). Contributions are welcome! - -## Debug / logging - -In order to see all the client debug output, run the following command on the browser console – including the desired scope – and reload your app page: - -``` -localStorage.debug = '*'; -``` - -And then, filter by the scopes you're interested in. See also: https://socket.io/docs/v4/logging-and-debugging/ - -## License - -[MIT](/LICENSE) diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/browser-entrypoint.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/cjs/browser-entrypoint.d.ts deleted file mode 100644 index 18fe370b..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/cjs/browser-entrypoint.d.ts +++ /dev/null @@ -1,2 +0,0 @@ -import { io } from "./index.js"; -export default io; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/browser-entrypoint.js b/examples/axum-echo/node_modules/socket.io-client/build/cjs/browser-entrypoint.js deleted file mode 100644 index c727722b..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/cjs/browser-entrypoint.js +++ /dev/null @@ -1,4 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -const index_js_1 = require("./index.js"); -exports.default = index_js_1.io; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/contrib/backo2.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/cjs/contrib/backo2.d.ts deleted file mode 100644 index 644c7351..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/cjs/contrib/backo2.d.ts +++ /dev/null @@ -1,12 +0,0 @@ -/** - * Initialize backoff timer with `opts`. - * - * - `min` initial timeout in milliseconds [100] - * - `max` max timeout [10000] - * - `jitter` [0] - * - `factor` [2] - * - * @param {Object} opts - * @api public - */ -export declare function Backoff(opts: any): void; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/contrib/backo2.js b/examples/axum-echo/node_modules/socket.io-client/build/cjs/contrib/backo2.js deleted file mode 100644 index 063fc421..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/cjs/contrib/backo2.js +++ /dev/null @@ -1,70 +0,0 @@ -"use strict"; -/** - * Initialize backoff timer with `opts`. - * - * - `min` initial timeout in milliseconds [100] - * - `max` max timeout [10000] - * - `jitter` [0] - * - `factor` [2] - * - * @param {Object} opts - * @api public - */ -Object.defineProperty(exports, "__esModule", { value: true }); -exports.Backoff = void 0; -function Backoff(opts) { - opts = opts || {}; - this.ms = opts.min || 100; - this.max = opts.max || 10000; - this.factor = opts.factor || 2; - this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0; - this.attempts = 0; -} -exports.Backoff = Backoff; -/** - * Return the backoff duration. - * - * @return {Number} - * @api public - */ -Backoff.prototype.duration = function () { - var ms = this.ms * Math.pow(this.factor, this.attempts++); - if (this.jitter) { - var rand = Math.random(); - var deviation = Math.floor(rand * this.jitter * ms); - ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation; - } - return Math.min(ms, this.max) | 0; -}; -/** - * Reset the number of attempts. - * - * @api public - */ -Backoff.prototype.reset = function () { - this.attempts = 0; -}; -/** - * Set the minimum duration - * - * @api public - */ -Backoff.prototype.setMin = function (min) { - this.ms = min; -}; -/** - * Set the maximum duration - * - * @api public - */ -Backoff.prototype.setMax = function (max) { - this.max = max; -}; -/** - * Set the jitter - * - * @api public - */ -Backoff.prototype.setJitter = function (jitter) { - this.jitter = jitter; -}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/index.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/cjs/index.d.ts deleted file mode 100644 index adfed240..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/cjs/index.d.ts +++ /dev/null @@ -1,28 +0,0 @@ -import { Manager, ManagerOptions } from "./manager.js"; -import { Socket, SocketOptions } from "./socket.js"; -/** - * Looks up an existing `Manager` for multiplexing. - * If the user summons: - * - * `io('http://localhost/a');` - * `io('http://localhost/b');` - * - * We reuse the existing instance based on same scheme/port/host, - * and we initialize sockets for each namespace. - * - * @public - */ -declare function lookup(opts?: Partial): Socket; -declare function lookup(uri: string, opts?: Partial): Socket; -/** - * Protocol version. - * - * @public - */ -export { protocol } from "socket.io-parser"; -/** - * Expose constructors for standalone build. - * - * @public - */ -export { Manager, ManagerOptions, Socket, SocketOptions, lookup as io, lookup as connect, lookup as default, }; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/index.js b/examples/axum-echo/node_modules/socket.io-client/build/cjs/index.js deleted file mode 100644 index 918d6f3e..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/cjs/index.js +++ /dev/null @@ -1,69 +0,0 @@ -"use strict"; -var __importDefault = (this && this.__importDefault) || function (mod) { - return (mod && mod.__esModule) ? mod : { "default": mod }; -}; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.default = exports.connect = exports.io = exports.Socket = exports.Manager = exports.protocol = void 0; -const url_js_1 = require("./url.js"); -const manager_js_1 = require("./manager.js"); -Object.defineProperty(exports, "Manager", { enumerable: true, get: function () { return manager_js_1.Manager; } }); -const socket_js_1 = require("./socket.js"); -Object.defineProperty(exports, "Socket", { enumerable: true, get: function () { return socket_js_1.Socket; } }); -const debug_1 = __importDefault(require("debug")); // debug() -const debug = debug_1.default("socket.io-client"); // debug() -/** - * Managers cache. - */ -const cache = {}; -function lookup(uri, opts) { - if (typeof uri === "object") { - opts = uri; - uri = undefined; - } - opts = opts || {}; - const parsed = url_js_1.url(uri, opts.path || "/socket.io"); - const source = parsed.source; - const id = parsed.id; - const path = parsed.path; - const sameNamespace = cache[id] && path in cache[id]["nsps"]; - const newConnection = opts.forceNew || - opts["force new connection"] || - false === opts.multiplex || - sameNamespace; - let io; - if (newConnection) { - debug("ignoring socket cache for %s", source); - io = new manager_js_1.Manager(source, opts); - } - else { - if (!cache[id]) { - debug("new io instance for %s", source); - cache[id] = new manager_js_1.Manager(source, opts); - } - io = cache[id]; - } - if (parsed.query && !opts.query) { - opts.query = parsed.queryKey; - } - return io.socket(parsed.path, opts); -} -exports.io = lookup; -exports.connect = lookup; -exports.default = lookup; -// so that "lookup" can be used both as a function (e.g. `io(...)`) and as a -// namespace (e.g. `io.connect(...)`), for backward compatibility -Object.assign(lookup, { - Manager: manager_js_1.Manager, - Socket: socket_js_1.Socket, - io: lookup, - connect: lookup, -}); -/** - * Protocol version. - * - * @public - */ -var socket_io_parser_1 = require("socket.io-parser"); -Object.defineProperty(exports, "protocol", { enumerable: true, get: function () { return socket_io_parser_1.protocol; } }); - -module.exports = lookup; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/manager.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/cjs/manager.d.ts deleted file mode 100644 index cb5dbb1e..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/cjs/manager.d.ts +++ /dev/null @@ -1,291 +0,0 @@ -import { Socket as Engine, SocketOptions as EngineOptions } from "engine.io-client"; -import { Socket, SocketOptions, DisconnectDescription } from "./socket.js"; -import { Packet } from "socket.io-parser"; -import { DefaultEventsMap, EventsMap, Emitter } from "@socket.io/component-emitter"; -export interface ManagerOptions extends EngineOptions { - /** - * Should we force a new Manager for this connection? - * @default false - */ - forceNew: boolean; - /** - * Should we multiplex our connection (reuse existing Manager) ? - * @default true - */ - multiplex: boolean; - /** - * The path to get our client file from, in the case of the server - * serving it - * @default '/socket.io' - */ - path: string; - /** - * Should we allow reconnections? - * @default true - */ - reconnection: boolean; - /** - * How many reconnection attempts should we try? - * @default Infinity - */ - reconnectionAttempts: number; - /** - * The time delay in milliseconds between reconnection attempts - * @default 1000 - */ - reconnectionDelay: number; - /** - * The max time delay in milliseconds between reconnection attempts - * @default 5000 - */ - reconnectionDelayMax: number; - /** - * Used in the exponential backoff jitter when reconnecting - * @default 0.5 - */ - randomizationFactor: number; - /** - * The timeout in milliseconds for our connection attempt - * @default 20000 - */ - timeout: number; - /** - * Should we automatically connect? - * @default true - */ - autoConnect: boolean; - /** - * the parser to use. Defaults to an instance of the Parser that ships with socket.io. - */ - parser: any; -} -interface ManagerReservedEvents { - open: () => void; - error: (err: Error) => void; - ping: () => void; - packet: (packet: Packet) => void; - close: (reason: string, description?: DisconnectDescription) => void; - reconnect_failed: () => void; - reconnect_attempt: (attempt: number) => void; - reconnect_error: (err: Error) => void; - reconnect: (attempt: number) => void; -} -export declare class Manager extends Emitter<{}, {}, ManagerReservedEvents> { - /** - * The Engine.IO client instance - * - * @public - */ - engine: Engine; - /** - * @private - */ - _autoConnect: boolean; - /** - * @private - */ - _readyState: "opening" | "open" | "closed"; - /** - * @private - */ - _reconnecting: boolean; - private readonly uri; - opts: Partial; - private nsps; - private subs; - private backoff; - private setTimeoutFn; - private clearTimeoutFn; - private _reconnection; - private _reconnectionAttempts; - private _reconnectionDelay; - private _randomizationFactor; - private _reconnectionDelayMax; - private _timeout; - private encoder; - private decoder; - private skipReconnect; - /** - * `Manager` constructor. - * - * @param uri - engine instance or engine uri/opts - * @param opts - options - * @public - */ - constructor(opts: Partial); - constructor(uri?: string, opts?: Partial); - constructor(uri?: string | Partial, opts?: Partial); - /** - * Sets the `reconnection` config. - * - * @param {Boolean} v - true/false if it should automatically reconnect - * @return {Manager} self or value - * @public - */ - reconnection(v: boolean): this; - reconnection(): boolean; - reconnection(v?: boolean): this | boolean; - /** - * Sets the reconnection attempts config. - * - * @param {Number} v - max reconnection attempts before giving up - * @return {Manager} self or value - * @public - */ - reconnectionAttempts(v: number): this; - reconnectionAttempts(): number; - reconnectionAttempts(v?: number): this | number; - /** - * Sets the delay between reconnections. - * - * @param {Number} v - delay - * @return {Manager} self or value - * @public - */ - reconnectionDelay(v: number): this; - reconnectionDelay(): number; - reconnectionDelay(v?: number): this | number; - /** - * Sets the randomization factor - * - * @param v - the randomization factor - * @return self or value - * @public - */ - randomizationFactor(v: number): this; - randomizationFactor(): number; - randomizationFactor(v?: number): this | number; - /** - * Sets the maximum delay between reconnections. - * - * @param v - delay - * @return self or value - * @public - */ - reconnectionDelayMax(v: number): this; - reconnectionDelayMax(): number; - reconnectionDelayMax(v?: number): this | number; - /** - * Sets the connection timeout. `false` to disable - * - * @param v - connection timeout - * @return self or value - * @public - */ - timeout(v: number | boolean): this; - timeout(): number | boolean; - timeout(v?: number | boolean): this | number | boolean; - /** - * Starts trying to reconnect if reconnection is enabled and we have not - * started reconnecting yet - * - * @private - */ - private maybeReconnectOnOpen; - /** - * Sets the current transport `socket`. - * - * @param {Function} fn - optional, callback - * @return self - * @public - */ - open(fn?: (err?: Error) => void): this; - /** - * Alias for open() - * - * @return self - * @public - */ - connect(fn?: (err?: Error) => void): this; - /** - * Called upon transport open. - * - * @private - */ - private onopen; - /** - * Called upon a ping. - * - * @private - */ - private onping; - /** - * Called with data. - * - * @private - */ - private ondata; - /** - * Called when parser fully decodes a packet. - * - * @private - */ - private ondecoded; - /** - * Called upon socket error. - * - * @private - */ - private onerror; - /** - * Creates a new socket for the given `nsp`. - * - * @return {Socket} - * @public - */ - socket(nsp: string, opts?: Partial): Socket; - /** - * Called upon a socket close. - * - * @param socket - * @private - */ - _destroy(socket: Socket): void; - /** - * Writes a packet. - * - * @param packet - * @private - */ - _packet(packet: Partial): void; - /** - * Clean up transport subscriptions and packet buffer. - * - * @private - */ - private cleanup; - /** - * Close the current socket. - * - * @private - */ - _close(): void; - /** - * Alias for close() - * - * @private - */ - private disconnect; - /** - * Called upon engine close. - * - * @private - */ - private onclose; - /** - * Attempt a reconnection. - * - * @private - */ - private reconnect; - /** - * Called upon successful reconnect. - * - * @private - */ - private onreconnect; -} -export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/manager.js b/examples/axum-echo/node_modules/socket.io-client/build/cjs/manager.js deleted file mode 100644 index 63f811f4..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/cjs/manager.js +++ /dev/null @@ -1,403 +0,0 @@ -"use strict"; -var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { - if (k2 === undefined) k2 = k; - Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); -}) : (function(o, m, k, k2) { - if (k2 === undefined) k2 = k; - o[k2] = m[k]; -})); -var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) { - Object.defineProperty(o, "default", { enumerable: true, value: v }); -}) : function(o, v) { - o["default"] = v; -}); -var __importStar = (this && this.__importStar) || function (mod) { - if (mod && mod.__esModule) return mod; - var result = {}; - if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k); - __setModuleDefault(result, mod); - return result; -}; -var __importDefault = (this && this.__importDefault) || function (mod) { - return (mod && mod.__esModule) ? mod : { "default": mod }; -}; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.Manager = void 0; -const engine_io_client_1 = require("engine.io-client"); -const socket_js_1 = require("./socket.js"); -const parser = __importStar(require("socket.io-parser")); -const on_js_1 = require("./on.js"); -const backo2_js_1 = require("./contrib/backo2.js"); -const component_emitter_1 = require("@socket.io/component-emitter"); -const debug_1 = __importDefault(require("debug")); // debug() -const debug = debug_1.default("socket.io-client:manager"); // debug() -class Manager extends component_emitter_1.Emitter { - constructor(uri, opts) { - var _a; - super(); - this.nsps = {}; - this.subs = []; - if (uri && "object" === typeof uri) { - opts = uri; - uri = undefined; - } - opts = opts || {}; - opts.path = opts.path || "/socket.io"; - this.opts = opts; - engine_io_client_1.installTimerFunctions(this, opts); - this.reconnection(opts.reconnection !== false); - this.reconnectionAttempts(opts.reconnectionAttempts || Infinity); - this.reconnectionDelay(opts.reconnectionDelay || 1000); - this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000); - this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5); - this.backoff = new backo2_js_1.Backoff({ - min: this.reconnectionDelay(), - max: this.reconnectionDelayMax(), - jitter: this.randomizationFactor(), - }); - this.timeout(null == opts.timeout ? 20000 : opts.timeout); - this._readyState = "closed"; - this.uri = uri; - const _parser = opts.parser || parser; - this.encoder = new _parser.Encoder(); - this.decoder = new _parser.Decoder(); - this._autoConnect = opts.autoConnect !== false; - if (this._autoConnect) - this.open(); - } - reconnection(v) { - if (!arguments.length) - return this._reconnection; - this._reconnection = !!v; - return this; - } - reconnectionAttempts(v) { - if (v === undefined) - return this._reconnectionAttempts; - this._reconnectionAttempts = v; - return this; - } - reconnectionDelay(v) { - var _a; - if (v === undefined) - return this._reconnectionDelay; - this._reconnectionDelay = v; - (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v); - return this; - } - randomizationFactor(v) { - var _a; - if (v === undefined) - return this._randomizationFactor; - this._randomizationFactor = v; - (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v); - return this; - } - reconnectionDelayMax(v) { - var _a; - if (v === undefined) - return this._reconnectionDelayMax; - this._reconnectionDelayMax = v; - (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v); - return this; - } - timeout(v) { - if (!arguments.length) - return this._timeout; - this._timeout = v; - return this; - } - /** - * Starts trying to reconnect if reconnection is enabled and we have not - * started reconnecting yet - * - * @private - */ - maybeReconnectOnOpen() { - // Only try to reconnect if it's the first time we're connecting - if (!this._reconnecting && - this._reconnection && - this.backoff.attempts === 0) { - // keeps reconnection from firing twice for the same reconnection loop - this.reconnect(); - } - } - /** - * Sets the current transport `socket`. - * - * @param {Function} fn - optional, callback - * @return self - * @public - */ - open(fn) { - debug("readyState %s", this._readyState); - if (~this._readyState.indexOf("open")) - return this; - debug("opening %s", this.uri); - this.engine = new engine_io_client_1.Socket(this.uri, this.opts); - const socket = this.engine; - const self = this; - this._readyState = "opening"; - this.skipReconnect = false; - // emit `open` - const openSubDestroy = on_js_1.on(socket, "open", function () { - self.onopen(); - fn && fn(); - }); - const onError = (err) => { - debug("error"); - this.cleanup(); - this._readyState = "closed"; - this.emitReserved("error", err); - if (fn) { - fn(err); - } - else { - // Only do this if there is no fn to handle the error - this.maybeReconnectOnOpen(); - } - }; - // emit `error` - const errorSub = on_js_1.on(socket, "error", onError); - if (false !== this._timeout) { - const timeout = this._timeout; - debug("connect attempt will timeout after %d", timeout); - // set timer - const timer = this.setTimeoutFn(() => { - debug("connect attempt timed out after %d", timeout); - openSubDestroy(); - onError(new Error("timeout")); - socket.close(); - }, timeout); - if (this.opts.autoUnref) { - timer.unref(); - } - this.subs.push(() => { - this.clearTimeoutFn(timer); - }); - } - this.subs.push(openSubDestroy); - this.subs.push(errorSub); - return this; - } - /** - * Alias for open() - * - * @return self - * @public - */ - connect(fn) { - return this.open(fn); - } - /** - * Called upon transport open. - * - * @private - */ - onopen() { - debug("open"); - // clear old subs - this.cleanup(); - // mark as open - this._readyState = "open"; - this.emitReserved("open"); - // add new subs - const socket = this.engine; - this.subs.push(on_js_1.on(socket, "ping", this.onping.bind(this)), on_js_1.on(socket, "data", this.ondata.bind(this)), on_js_1.on(socket, "error", this.onerror.bind(this)), on_js_1.on(socket, "close", this.onclose.bind(this)), on_js_1.on(this.decoder, "decoded", this.ondecoded.bind(this))); - } - /** - * Called upon a ping. - * - * @private - */ - onping() { - this.emitReserved("ping"); - } - /** - * Called with data. - * - * @private - */ - ondata(data) { - try { - this.decoder.add(data); - } - catch (e) { - this.onclose("parse error", e); - } - } - /** - * Called when parser fully decodes a packet. - * - * @private - */ - ondecoded(packet) { - // the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a "parse error" - engine_io_client_1.nextTick(() => { - this.emitReserved("packet", packet); - }, this.setTimeoutFn); - } - /** - * Called upon socket error. - * - * @private - */ - onerror(err) { - debug("error", err); - this.emitReserved("error", err); - } - /** - * Creates a new socket for the given `nsp`. - * - * @return {Socket} - * @public - */ - socket(nsp, opts) { - let socket = this.nsps[nsp]; - if (!socket) { - socket = new socket_js_1.Socket(this, nsp, opts); - this.nsps[nsp] = socket; - } - else if (this._autoConnect && !socket.active) { - socket.connect(); - } - return socket; - } - /** - * Called upon a socket close. - * - * @param socket - * @private - */ - _destroy(socket) { - const nsps = Object.keys(this.nsps); - for (const nsp of nsps) { - const socket = this.nsps[nsp]; - if (socket.active) { - debug("socket %s is still active, skipping close", nsp); - return; - } - } - this._close(); - } - /** - * Writes a packet. - * - * @param packet - * @private - */ - _packet(packet) { - debug("writing packet %j", packet); - const encodedPackets = this.encoder.encode(packet); - for (let i = 0; i < encodedPackets.length; i++) { - this.engine.write(encodedPackets[i], packet.options); - } - } - /** - * Clean up transport subscriptions and packet buffer. - * - * @private - */ - cleanup() { - debug("cleanup"); - this.subs.forEach((subDestroy) => subDestroy()); - this.subs.length = 0; - this.decoder.destroy(); - } - /** - * Close the current socket. - * - * @private - */ - _close() { - debug("disconnect"); - this.skipReconnect = true; - this._reconnecting = false; - this.onclose("forced close"); - if (this.engine) - this.engine.close(); - } - /** - * Alias for close() - * - * @private - */ - disconnect() { - return this._close(); - } - /** - * Called upon engine close. - * - * @private - */ - onclose(reason, description) { - debug("closed due to %s", reason); - this.cleanup(); - this.backoff.reset(); - this._readyState = "closed"; - this.emitReserved("close", reason, description); - if (this._reconnection && !this.skipReconnect) { - this.reconnect(); - } - } - /** - * Attempt a reconnection. - * - * @private - */ - reconnect() { - if (this._reconnecting || this.skipReconnect) - return this; - const self = this; - if (this.backoff.attempts >= this._reconnectionAttempts) { - debug("reconnect failed"); - this.backoff.reset(); - this.emitReserved("reconnect_failed"); - this._reconnecting = false; - } - else { - const delay = this.backoff.duration(); - debug("will wait %dms before reconnect attempt", delay); - this._reconnecting = true; - const timer = this.setTimeoutFn(() => { - if (self.skipReconnect) - return; - debug("attempting reconnect"); - this.emitReserved("reconnect_attempt", self.backoff.attempts); - // check again for the case socket closed in above events - if (self.skipReconnect) - return; - self.open((err) => { - if (err) { - debug("reconnect attempt error"); - self._reconnecting = false; - self.reconnect(); - this.emitReserved("reconnect_error", err); - } - else { - debug("reconnect success"); - self.onreconnect(); - } - }); - }, delay); - if (this.opts.autoUnref) { - timer.unref(); - } - this.subs.push(() => { - this.clearTimeoutFn(timer); - }); - } - } - /** - * Called upon successful reconnect. - * - * @private - */ - onreconnect() { - const attempt = this.backoff.attempts; - this._reconnecting = false; - this.backoff.reset(); - this.emitReserved("reconnect", attempt); - } -} -exports.Manager = Manager; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/on.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/cjs/on.d.ts deleted file mode 100644 index 41796347..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/cjs/on.d.ts +++ /dev/null @@ -1,2 +0,0 @@ -import { Emitter } from "@socket.io/component-emitter"; -export declare function on(obj: Emitter, ev: string, fn: (err?: any) => any): VoidFunction; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/on.js b/examples/axum-echo/node_modules/socket.io-client/build/cjs/on.js deleted file mode 100644 index d0dab784..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/cjs/on.js +++ /dev/null @@ -1,10 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.on = void 0; -function on(obj, ev, fn) { - obj.on(ev, fn); - return function subDestroy() { - obj.off(ev, fn); - }; -} -exports.on = on; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/socket.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/cjs/socket.d.ts deleted file mode 100644 index b6137857..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/cjs/socket.d.ts +++ /dev/null @@ -1,563 +0,0 @@ -import { Packet } from "socket.io-parser"; -import { Manager } from "./manager.js"; -import { DefaultEventsMap, EventNames, EventParams, EventsMap, Emitter } from "@socket.io/component-emitter"; -declare type PrependTimeoutError = { - [K in keyof T]: T[K] extends (...args: infer Params) => infer Result ? (err: Error, ...args: Params) => Result : T[K]; -}; -/** - * Utility type to decorate the acknowledgement callbacks with a timeout error. - * - * This is needed because the timeout() flag breaks the symmetry between the sender and the receiver: - * - * @example - * interface Events { - * "my-event": (val: string) => void; - * } - * - * socket.on("my-event", (cb) => { - * cb("123"); // one single argument here - * }); - * - * socket.timeout(1000).emit("my-event", (err, val) => { - * // two arguments there (the "err" argument is not properly typed) - * }); - * - */ -export declare type DecorateAcknowledgements = { - [K in keyof E]: E[K] extends (...args: infer Params) => infer Result ? (...args: PrependTimeoutError) => Result : E[K]; -}; -export declare type Last = T extends [...infer H, infer L] ? L : any; -export declare type AllButLast = T extends [...infer H, infer L] ? H : any[]; -export declare type FirstArg = T extends (arg: infer Param) => infer Result ? Param : any; -export interface SocketOptions { - /** - * the authentication payload sent when connecting to the Namespace - */ - auth?: { - [key: string]: any; - } | ((cb: (data: object) => void) => void); - /** - * The maximum number of retries. Above the limit, the packet will be discarded. - * - * Using `Infinity` means the delivery guarantee is "at-least-once" (instead of "at-most-once" by default), but a - * smaller value like 10 should be sufficient in practice. - */ - retries?: number; - /** - * The default timeout in milliseconds used when waiting for an acknowledgement. - */ - ackTimeout?: number; -} -export declare type DisconnectDescription = Error | { - description: string; - context?: unknown; -}; -interface SocketReservedEvents { - connect: () => void; - connect_error: (err: Error) => void; - disconnect: (reason: Socket.DisconnectReason, description?: DisconnectDescription) => void; -} -/** - * A Socket is the fundamental class for interacting with the server. - * - * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate. - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log("connected"); - * }); - * - * // send an event to the server - * socket.emit("foo", "bar"); - * - * socket.on("foobar", () => { - * // an event was received from the server - * }); - * - * // upon disconnection - * socket.on("disconnect", (reason) => { - * console.log(`disconnected due to ${reason}`); - * }); - */ -export declare class Socket extends Emitter { - readonly io: Manager; - /** - * A unique identifier for the session. `undefined` when the socket is not connected. - * - * @example - * const socket = io(); - * - * console.log(socket.id); // undefined - * - * socket.on("connect", () => { - * console.log(socket.id); // "G5p5..." - * }); - */ - id: string | undefined; - /** - * The session ID used for connection state recovery, which must not be shared (unlike {@link id}). - * - * @private - */ - private _pid; - /** - * The offset of the last received packet, which will be sent upon reconnection to allow for the recovery of the connection state. - * - * @private - */ - private _lastOffset; - /** - * Whether the socket is currently connected to the server. - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log(socket.connected); // true - * }); - * - * socket.on("disconnect", () => { - * console.log(socket.connected); // false - * }); - */ - connected: boolean; - /** - * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will - * be transmitted by the server. - */ - recovered: boolean; - /** - * Credentials that are sent when accessing a namespace. - * - * @example - * const socket = io({ - * auth: { - * token: "abcd" - * } - * }); - * - * // or with a function - * const socket = io({ - * auth: (cb) => { - * cb({ token: localStorage.token }) - * } - * }); - */ - auth: { - [key: string]: any; - } | ((cb: (data: object) => void) => void); - /** - * Buffer for packets received before the CONNECT packet - */ - receiveBuffer: Array>; - /** - * Buffer for packets that will be sent once the socket is connected - */ - sendBuffer: Array; - /** - * The queue of packets to be sent with retry in case of failure. - * - * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order. - * @private - */ - private _queue; - /** - * A sequence to generate the ID of the {@link QueuedPacket}. - * @private - */ - private _queueSeq; - private readonly nsp; - private readonly _opts; - private ids; - private acks; - private flags; - private subs?; - private _anyListeners; - private _anyOutgoingListeners; - /** - * `Socket` constructor. - */ - constructor(io: Manager, nsp: string, opts?: Partial); - /** - * Whether the socket is currently disconnected - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log(socket.disconnected); // false - * }); - * - * socket.on("disconnect", () => { - * console.log(socket.disconnected); // true - * }); - */ - get disconnected(): boolean; - /** - * Subscribe to open, close and packet events - * - * @private - */ - private subEvents; - /** - * Whether the Socket will try to reconnect when its Manager connects or reconnects. - * - * @example - * const socket = io(); - * - * console.log(socket.active); // true - * - * socket.on("disconnect", (reason) => { - * if (reason === "io server disconnect") { - * // the disconnection was initiated by the server, you need to manually reconnect - * console.log(socket.active); // false - * } - * // else the socket will automatically try to reconnect - * console.log(socket.active); // true - * }); - */ - get active(): boolean; - /** - * "Opens" the socket. - * - * @example - * const socket = io({ - * autoConnect: false - * }); - * - * socket.connect(); - */ - connect(): this; - /** - * Alias for {@link connect()}. - */ - open(): this; - /** - * Sends a `message` event. - * - * This method mimics the WebSocket.send() method. - * - * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send - * - * @example - * socket.send("hello"); - * - * // this is equivalent to - * socket.emit("message", "hello"); - * - * @return self - */ - send(...args: any[]): this; - /** - * Override `emit`. - * If the event is in `events`, it's emitted normally. - * - * @example - * socket.emit("hello", "world"); - * - * // all serializable datastructures are supported (no need to call JSON.stringify) - * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) }); - * - * // with an acknowledgement from the server - * socket.emit("hello", "world", (val) => { - * // ... - * }); - * - * @return self - */ - emit>(ev: Ev, ...args: EventParams): this; - /** - * @private - */ - private _registerAckCallback; - /** - * Emits an event and waits for an acknowledgement - * - * @example - * // without timeout - * const response = await socket.emitWithAck("hello", "world"); - * - * // with a specific timeout - * try { - * const response = await socket.timeout(1000).emitWithAck("hello", "world"); - * } catch (err) { - * // the server did not acknowledge the event in the given delay - * } - * - * @return a Promise that will be fulfilled when the server acknowledges the event - */ - emitWithAck>(ev: Ev, ...args: AllButLast>): Promise>>>; - /** - * Add the packet to the queue. - * @param args - * @private - */ - private _addToQueue; - /** - * Send the first packet of the queue, and wait for an acknowledgement from the server. - * @param force - whether to resend a packet that has not been acknowledged yet - * - * @private - */ - private _drainQueue; - /** - * Sends a packet. - * - * @param packet - * @private - */ - private packet; - /** - * Called upon engine `open`. - * - * @private - */ - private onopen; - /** - * Sends a CONNECT packet to initiate the Socket.IO session. - * - * @param data - * @private - */ - private _sendConnectPacket; - /** - * Called upon engine or manager `error`. - * - * @param err - * @private - */ - private onerror; - /** - * Called upon engine `close`. - * - * @param reason - * @param description - * @private - */ - private onclose; - /** - * Called with socket packet. - * - * @param packet - * @private - */ - private onpacket; - /** - * Called upon a server event. - * - * @param packet - * @private - */ - private onevent; - private emitEvent; - /** - * Produces an ack callback to emit with an event. - * - * @private - */ - private ack; - /** - * Called upon a server acknowlegement. - * - * @param packet - * @private - */ - private onack; - /** - * Called upon server connect. - * - * @private - */ - private onconnect; - /** - * Emit buffered events (received and emitted). - * - * @private - */ - private emitBuffered; - /** - * Called upon server disconnect. - * - * @private - */ - private ondisconnect; - /** - * Called upon forced client/server side disconnections, - * this method ensures the manager stops tracking us and - * that reconnections don't get triggered for this. - * - * @private - */ - private destroy; - /** - * Disconnects the socket manually. In that case, the socket will not try to reconnect. - * - * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed. - * - * @example - * const socket = io(); - * - * socket.on("disconnect", (reason) => { - * // console.log(reason); prints "io client disconnect" - * }); - * - * socket.disconnect(); - * - * @return self - */ - disconnect(): this; - /** - * Alias for {@link disconnect()}. - * - * @return self - */ - close(): this; - /** - * Sets the compress flag. - * - * @example - * socket.compress(false).emit("hello"); - * - * @param compress - if `true`, compresses the sending data - * @return self - */ - compress(compress: boolean): this; - /** - * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not - * ready to send messages. - * - * @example - * socket.volatile.emit("hello"); // the server may or may not receive it - * - * @returns self - */ - get volatile(): this; - /** - * Sets a modifier for a subsequent event emission that the callback will be called with an error when the - * given number of milliseconds have elapsed without an acknowledgement from the server: - * - * @example - * socket.timeout(5000).emit("my-event", (err) => { - * if (err) { - * // the server did not acknowledge the event in the given delay - * } - * }); - * - * @returns self - */ - timeout(timeout: number): Socket>; - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. - * - * @example - * socket.onAny((event, ...args) => { - * console.log(`got ${event}`); - * }); - * - * @param listener - */ - onAny(listener: (...args: any[]) => void): this; - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. The listener is added to the beginning of the listeners array. - * - * @example - * socket.prependAny((event, ...args) => { - * console.log(`got event ${event}`); - * }); - * - * @param listener - */ - prependAny(listener: (...args: any[]) => void): this; - /** - * Removes the listener that will be fired when any event is emitted. - * - * @example - * const catchAllListener = (event, ...args) => { - * console.log(`got event ${event}`); - * } - * - * socket.onAny(catchAllListener); - * - * // remove a specific listener - * socket.offAny(catchAllListener); - * - * // or remove all listeners - * socket.offAny(); - * - * @param listener - */ - offAny(listener?: (...args: any[]) => void): this; - /** - * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, - * e.g. to remove listeners. - */ - listenersAny(): ((...args: any[]) => void)[]; - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. - * - * Note: acknowledgements sent to the server are not included. - * - * @example - * socket.onAnyOutgoing((event, ...args) => { - * console.log(`sent event ${event}`); - * }); - * - * @param listener - */ - onAnyOutgoing(listener: (...args: any[]) => void): this; - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. The listener is added to the beginning of the listeners array. - * - * Note: acknowledgements sent to the server are not included. - * - * @example - * socket.prependAnyOutgoing((event, ...args) => { - * console.log(`sent event ${event}`); - * }); - * - * @param listener - */ - prependAnyOutgoing(listener: (...args: any[]) => void): this; - /** - * Removes the listener that will be fired when any event is emitted. - * - * @example - * const catchAllListener = (event, ...args) => { - * console.log(`sent event ${event}`); - * } - * - * socket.onAnyOutgoing(catchAllListener); - * - * // remove a specific listener - * socket.offAnyOutgoing(catchAllListener); - * - * // or remove all listeners - * socket.offAnyOutgoing(); - * - * @param [listener] - the catch-all listener (optional) - */ - offAnyOutgoing(listener?: (...args: any[]) => void): this; - /** - * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, - * e.g. to remove listeners. - */ - listenersAnyOutgoing(): ((...args: any[]) => void)[]; - /** - * Notify the listeners for each packet sent - * - * @param packet - * - * @private - */ - private notifyOutgoingListeners; -} -export declare namespace Socket { - type DisconnectReason = "io server disconnect" | "io client disconnect" | "ping timeout" | "transport close" | "transport error" | "parse error"; -} -export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/socket.js b/examples/axum-echo/node_modules/socket.io-client/build/cjs/socket.js deleted file mode 100644 index d592b46a..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/cjs/socket.js +++ /dev/null @@ -1,866 +0,0 @@ -"use strict"; -var __importDefault = (this && this.__importDefault) || function (mod) { - return (mod && mod.__esModule) ? mod : { "default": mod }; -}; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.Socket = void 0; -const socket_io_parser_1 = require("socket.io-parser"); -const on_js_1 = require("./on.js"); -const component_emitter_1 = require("@socket.io/component-emitter"); -const debug_1 = __importDefault(require("debug")); // debug() -const debug = debug_1.default("socket.io-client:socket"); // debug() -/** - * Internal events. - * These events can't be emitted by the user. - */ -const RESERVED_EVENTS = Object.freeze({ - connect: 1, - connect_error: 1, - disconnect: 1, - disconnecting: 1, - // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener - newListener: 1, - removeListener: 1, -}); -/** - * A Socket is the fundamental class for interacting with the server. - * - * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate. - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log("connected"); - * }); - * - * // send an event to the server - * socket.emit("foo", "bar"); - * - * socket.on("foobar", () => { - * // an event was received from the server - * }); - * - * // upon disconnection - * socket.on("disconnect", (reason) => { - * console.log(`disconnected due to ${reason}`); - * }); - */ -class Socket extends component_emitter_1.Emitter { - /** - * `Socket` constructor. - */ - constructor(io, nsp, opts) { - super(); - /** - * Whether the socket is currently connected to the server. - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log(socket.connected); // true - * }); - * - * socket.on("disconnect", () => { - * console.log(socket.connected); // false - * }); - */ - this.connected = false; - /** - * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will - * be transmitted by the server. - */ - this.recovered = false; - /** - * Buffer for packets received before the CONNECT packet - */ - this.receiveBuffer = []; - /** - * Buffer for packets that will be sent once the socket is connected - */ - this.sendBuffer = []; - /** - * The queue of packets to be sent with retry in case of failure. - * - * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order. - * @private - */ - this._queue = []; - /** - * A sequence to generate the ID of the {@link QueuedPacket}. - * @private - */ - this._queueSeq = 0; - this.ids = 0; - this.acks = {}; - this.flags = {}; - this.io = io; - this.nsp = nsp; - if (opts && opts.auth) { - this.auth = opts.auth; - } - this._opts = Object.assign({}, opts); - if (this.io._autoConnect) - this.open(); - } - /** - * Whether the socket is currently disconnected - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log(socket.disconnected); // false - * }); - * - * socket.on("disconnect", () => { - * console.log(socket.disconnected); // true - * }); - */ - get disconnected() { - return !this.connected; - } - /** - * Subscribe to open, close and packet events - * - * @private - */ - subEvents() { - if (this.subs) - return; - const io = this.io; - this.subs = [ - on_js_1.on(io, "open", this.onopen.bind(this)), - on_js_1.on(io, "packet", this.onpacket.bind(this)), - on_js_1.on(io, "error", this.onerror.bind(this)), - on_js_1.on(io, "close", this.onclose.bind(this)), - ]; - } - /** - * Whether the Socket will try to reconnect when its Manager connects or reconnects. - * - * @example - * const socket = io(); - * - * console.log(socket.active); // true - * - * socket.on("disconnect", (reason) => { - * if (reason === "io server disconnect") { - * // the disconnection was initiated by the server, you need to manually reconnect - * console.log(socket.active); // false - * } - * // else the socket will automatically try to reconnect - * console.log(socket.active); // true - * }); - */ - get active() { - return !!this.subs; - } - /** - * "Opens" the socket. - * - * @example - * const socket = io({ - * autoConnect: false - * }); - * - * socket.connect(); - */ - connect() { - if (this.connected) - return this; - this.subEvents(); - if (!this.io["_reconnecting"]) - this.io.open(); // ensure open - if ("open" === this.io._readyState) - this.onopen(); - return this; - } - /** - * Alias for {@link connect()}. - */ - open() { - return this.connect(); - } - /** - * Sends a `message` event. - * - * This method mimics the WebSocket.send() method. - * - * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send - * - * @example - * socket.send("hello"); - * - * // this is equivalent to - * socket.emit("message", "hello"); - * - * @return self - */ - send(...args) { - args.unshift("message"); - this.emit.apply(this, args); - return this; - } - /** - * Override `emit`. - * If the event is in `events`, it's emitted normally. - * - * @example - * socket.emit("hello", "world"); - * - * // all serializable datastructures are supported (no need to call JSON.stringify) - * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) }); - * - * // with an acknowledgement from the server - * socket.emit("hello", "world", (val) => { - * // ... - * }); - * - * @return self - */ - emit(ev, ...args) { - if (RESERVED_EVENTS.hasOwnProperty(ev)) { - throw new Error('"' + ev.toString() + '" is a reserved event name'); - } - args.unshift(ev); - if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) { - this._addToQueue(args); - return this; - } - const packet = { - type: socket_io_parser_1.PacketType.EVENT, - data: args, - }; - packet.options = {}; - packet.options.compress = this.flags.compress !== false; - // event ack callback - if ("function" === typeof args[args.length - 1]) { - const id = this.ids++; - debug("emitting packet with ack id %d", id); - const ack = args.pop(); - this._registerAckCallback(id, ack); - packet.id = id; - } - const isTransportWritable = this.io.engine && - this.io.engine.transport && - this.io.engine.transport.writable; - const discardPacket = this.flags.volatile && (!isTransportWritable || !this.connected); - if (discardPacket) { - debug("discard packet as the transport is not currently writable"); - } - else if (this.connected) { - this.notifyOutgoingListeners(packet); - this.packet(packet); - } - else { - this.sendBuffer.push(packet); - } - this.flags = {}; - return this; - } - /** - * @private - */ - _registerAckCallback(id, ack) { - var _a; - const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout; - if (timeout === undefined) { - this.acks[id] = ack; - return; - } - // @ts-ignore - const timer = this.io.setTimeoutFn(() => { - delete this.acks[id]; - for (let i = 0; i < this.sendBuffer.length; i++) { - if (this.sendBuffer[i].id === id) { - debug("removing packet with ack id %d from the buffer", id); - this.sendBuffer.splice(i, 1); - } - } - debug("event with ack id %d has timed out after %d ms", id, timeout); - ack.call(this, new Error("operation has timed out")); - }, timeout); - this.acks[id] = (...args) => { - // @ts-ignore - this.io.clearTimeoutFn(timer); - ack.apply(this, [null, ...args]); - }; - } - /** - * Emits an event and waits for an acknowledgement - * - * @example - * // without timeout - * const response = await socket.emitWithAck("hello", "world"); - * - * // with a specific timeout - * try { - * const response = await socket.timeout(1000).emitWithAck("hello", "world"); - * } catch (err) { - * // the server did not acknowledge the event in the given delay - * } - * - * @return a Promise that will be fulfilled when the server acknowledges the event - */ - emitWithAck(ev, ...args) { - // the timeout flag is optional - const withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined; - return new Promise((resolve, reject) => { - args.push((arg1, arg2) => { - if (withErr) { - return arg1 ? reject(arg1) : resolve(arg2); - } - else { - return resolve(arg1); - } - }); - this.emit(ev, ...args); - }); - } - /** - * Add the packet to the queue. - * @param args - * @private - */ - _addToQueue(args) { - let ack; - if (typeof args[args.length - 1] === "function") { - ack = args.pop(); - } - const packet = { - id: this._queueSeq++, - tryCount: 0, - pending: false, - args, - flags: Object.assign({ fromQueue: true }, this.flags), - }; - args.push((err, ...responseArgs) => { - if (packet !== this._queue[0]) { - // the packet has already been acknowledged - return; - } - const hasError = err !== null; - if (hasError) { - if (packet.tryCount > this._opts.retries) { - debug("packet [%d] is discarded after %d tries", packet.id, packet.tryCount); - this._queue.shift(); - if (ack) { - ack(err); - } - } - } - else { - debug("packet [%d] was successfully sent", packet.id); - this._queue.shift(); - if (ack) { - ack(null, ...responseArgs); - } - } - packet.pending = false; - return this._drainQueue(); - }); - this._queue.push(packet); - this._drainQueue(); - } - /** - * Send the first packet of the queue, and wait for an acknowledgement from the server. - * @param force - whether to resend a packet that has not been acknowledged yet - * - * @private - */ - _drainQueue(force = false) { - debug("draining queue"); - if (!this.connected || this._queue.length === 0) { - return; - } - const packet = this._queue[0]; - if (packet.pending && !force) { - debug("packet [%d] has already been sent and is waiting for an ack", packet.id); - return; - } - packet.pending = true; - packet.tryCount++; - debug("sending packet [%d] (try n°%d)", packet.id, packet.tryCount); - this.flags = packet.flags; - this.emit.apply(this, packet.args); - } - /** - * Sends a packet. - * - * @param packet - * @private - */ - packet(packet) { - packet.nsp = this.nsp; - this.io._packet(packet); - } - /** - * Called upon engine `open`. - * - * @private - */ - onopen() { - debug("transport is open - connecting"); - if (typeof this.auth == "function") { - this.auth((data) => { - this._sendConnectPacket(data); - }); - } - else { - this._sendConnectPacket(this.auth); - } - } - /** - * Sends a CONNECT packet to initiate the Socket.IO session. - * - * @param data - * @private - */ - _sendConnectPacket(data) { - this.packet({ - type: socket_io_parser_1.PacketType.CONNECT, - data: this._pid - ? Object.assign({ pid: this._pid, offset: this._lastOffset }, data) - : data, - }); - } - /** - * Called upon engine or manager `error`. - * - * @param err - * @private - */ - onerror(err) { - if (!this.connected) { - this.emitReserved("connect_error", err); - } - } - /** - * Called upon engine `close`. - * - * @param reason - * @param description - * @private - */ - onclose(reason, description) { - debug("close (%s)", reason); - this.connected = false; - delete this.id; - this.emitReserved("disconnect", reason, description); - } - /** - * Called with socket packet. - * - * @param packet - * @private - */ - onpacket(packet) { - const sameNamespace = packet.nsp === this.nsp; - if (!sameNamespace) - return; - switch (packet.type) { - case socket_io_parser_1.PacketType.CONNECT: - if (packet.data && packet.data.sid) { - this.onconnect(packet.data.sid, packet.data.pid); - } - else { - this.emitReserved("connect_error", new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)")); - } - break; - case socket_io_parser_1.PacketType.EVENT: - case socket_io_parser_1.PacketType.BINARY_EVENT: - this.onevent(packet); - break; - case socket_io_parser_1.PacketType.ACK: - case socket_io_parser_1.PacketType.BINARY_ACK: - this.onack(packet); - break; - case socket_io_parser_1.PacketType.DISCONNECT: - this.ondisconnect(); - break; - case socket_io_parser_1.PacketType.CONNECT_ERROR: - this.destroy(); - const err = new Error(packet.data.message); - // @ts-ignore - err.data = packet.data.data; - this.emitReserved("connect_error", err); - break; - } - } - /** - * Called upon a server event. - * - * @param packet - * @private - */ - onevent(packet) { - const args = packet.data || []; - debug("emitting event %j", args); - if (null != packet.id) { - debug("attaching ack callback to event"); - args.push(this.ack(packet.id)); - } - if (this.connected) { - this.emitEvent(args); - } - else { - this.receiveBuffer.push(Object.freeze(args)); - } - } - emitEvent(args) { - if (this._anyListeners && this._anyListeners.length) { - const listeners = this._anyListeners.slice(); - for (const listener of listeners) { - listener.apply(this, args); - } - } - super.emit.apply(this, args); - if (this._pid && args.length && typeof args[args.length - 1] === "string") { - this._lastOffset = args[args.length - 1]; - } - } - /** - * Produces an ack callback to emit with an event. - * - * @private - */ - ack(id) { - const self = this; - let sent = false; - return function (...args) { - // prevent double callbacks - if (sent) - return; - sent = true; - debug("sending ack %j", args); - self.packet({ - type: socket_io_parser_1.PacketType.ACK, - id: id, - data: args, - }); - }; - } - /** - * Called upon a server acknowlegement. - * - * @param packet - * @private - */ - onack(packet) { - const ack = this.acks[packet.id]; - if ("function" === typeof ack) { - debug("calling ack %s with %j", packet.id, packet.data); - ack.apply(this, packet.data); - delete this.acks[packet.id]; - } - else { - debug("bad ack %s", packet.id); - } - } - /** - * Called upon server connect. - * - * @private - */ - onconnect(id, pid) { - debug("socket connected with id %s", id); - this.id = id; - this.recovered = pid && this._pid === pid; - this._pid = pid; // defined only if connection state recovery is enabled - this.connected = true; - this.emitBuffered(); - this.emitReserved("connect"); - this._drainQueue(true); - } - /** - * Emit buffered events (received and emitted). - * - * @private - */ - emitBuffered() { - this.receiveBuffer.forEach((args) => this.emitEvent(args)); - this.receiveBuffer = []; - this.sendBuffer.forEach((packet) => { - this.notifyOutgoingListeners(packet); - this.packet(packet); - }); - this.sendBuffer = []; - } - /** - * Called upon server disconnect. - * - * @private - */ - ondisconnect() { - debug("server disconnect (%s)", this.nsp); - this.destroy(); - this.onclose("io server disconnect"); - } - /** - * Called upon forced client/server side disconnections, - * this method ensures the manager stops tracking us and - * that reconnections don't get triggered for this. - * - * @private - */ - destroy() { - if (this.subs) { - // clean subscriptions to avoid reconnections - this.subs.forEach((subDestroy) => subDestroy()); - this.subs = undefined; - } - this.io["_destroy"](this); - } - /** - * Disconnects the socket manually. In that case, the socket will not try to reconnect. - * - * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed. - * - * @example - * const socket = io(); - * - * socket.on("disconnect", (reason) => { - * // console.log(reason); prints "io client disconnect" - * }); - * - * socket.disconnect(); - * - * @return self - */ - disconnect() { - if (this.connected) { - debug("performing disconnect (%s)", this.nsp); - this.packet({ type: socket_io_parser_1.PacketType.DISCONNECT }); - } - // remove socket from pool - this.destroy(); - if (this.connected) { - // fire events - this.onclose("io client disconnect"); - } - return this; - } - /** - * Alias for {@link disconnect()}. - * - * @return self - */ - close() { - return this.disconnect(); - } - /** - * Sets the compress flag. - * - * @example - * socket.compress(false).emit("hello"); - * - * @param compress - if `true`, compresses the sending data - * @return self - */ - compress(compress) { - this.flags.compress = compress; - return this; - } - /** - * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not - * ready to send messages. - * - * @example - * socket.volatile.emit("hello"); // the server may or may not receive it - * - * @returns self - */ - get volatile() { - this.flags.volatile = true; - return this; - } - /** - * Sets a modifier for a subsequent event emission that the callback will be called with an error when the - * given number of milliseconds have elapsed without an acknowledgement from the server: - * - * @example - * socket.timeout(5000).emit("my-event", (err) => { - * if (err) { - * // the server did not acknowledge the event in the given delay - * } - * }); - * - * @returns self - */ - timeout(timeout) { - this.flags.timeout = timeout; - return this; - } - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. - * - * @example - * socket.onAny((event, ...args) => { - * console.log(`got ${event}`); - * }); - * - * @param listener - */ - onAny(listener) { - this._anyListeners = this._anyListeners || []; - this._anyListeners.push(listener); - return this; - } - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. The listener is added to the beginning of the listeners array. - * - * @example - * socket.prependAny((event, ...args) => { - * console.log(`got event ${event}`); - * }); - * - * @param listener - */ - prependAny(listener) { - this._anyListeners = this._anyListeners || []; - this._anyListeners.unshift(listener); - return this; - } - /** - * Removes the listener that will be fired when any event is emitted. - * - * @example - * const catchAllListener = (event, ...args) => { - * console.log(`got event ${event}`); - * } - * - * socket.onAny(catchAllListener); - * - * // remove a specific listener - * socket.offAny(catchAllListener); - * - * // or remove all listeners - * socket.offAny(); - * - * @param listener - */ - offAny(listener) { - if (!this._anyListeners) { - return this; - } - if (listener) { - const listeners = this._anyListeners; - for (let i = 0; i < listeners.length; i++) { - if (listener === listeners[i]) { - listeners.splice(i, 1); - return this; - } - } - } - else { - this._anyListeners = []; - } - return this; - } - /** - * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, - * e.g. to remove listeners. - */ - listenersAny() { - return this._anyListeners || []; - } - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. - * - * Note: acknowledgements sent to the server are not included. - * - * @example - * socket.onAnyOutgoing((event, ...args) => { - * console.log(`sent event ${event}`); - * }); - * - * @param listener - */ - onAnyOutgoing(listener) { - this._anyOutgoingListeners = this._anyOutgoingListeners || []; - this._anyOutgoingListeners.push(listener); - return this; - } - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. The listener is added to the beginning of the listeners array. - * - * Note: acknowledgements sent to the server are not included. - * - * @example - * socket.prependAnyOutgoing((event, ...args) => { - * console.log(`sent event ${event}`); - * }); - * - * @param listener - */ - prependAnyOutgoing(listener) { - this._anyOutgoingListeners = this._anyOutgoingListeners || []; - this._anyOutgoingListeners.unshift(listener); - return this; - } - /** - * Removes the listener that will be fired when any event is emitted. - * - * @example - * const catchAllListener = (event, ...args) => { - * console.log(`sent event ${event}`); - * } - * - * socket.onAnyOutgoing(catchAllListener); - * - * // remove a specific listener - * socket.offAnyOutgoing(catchAllListener); - * - * // or remove all listeners - * socket.offAnyOutgoing(); - * - * @param [listener] - the catch-all listener (optional) - */ - offAnyOutgoing(listener) { - if (!this._anyOutgoingListeners) { - return this; - } - if (listener) { - const listeners = this._anyOutgoingListeners; - for (let i = 0; i < listeners.length; i++) { - if (listener === listeners[i]) { - listeners.splice(i, 1); - return this; - } - } - } - else { - this._anyOutgoingListeners = []; - } - return this; - } - /** - * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, - * e.g. to remove listeners. - */ - listenersAnyOutgoing() { - return this._anyOutgoingListeners || []; - } - /** - * Notify the listeners for each packet sent - * - * @param packet - * - * @private - */ - notifyOutgoingListeners(packet) { - if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) { - const listeners = this._anyOutgoingListeners.slice(); - for (const listener of listeners) { - listener.apply(this, packet.data); - } - } - } -} -exports.Socket = Socket; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/url.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/cjs/url.d.ts deleted file mode 100644 index d2d669e6..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/cjs/url.d.ts +++ /dev/null @@ -1,33 +0,0 @@ -declare type ParsedUrl = { - source: string; - protocol: string; - authority: string; - userInfo: string; - user: string; - password: string; - host: string; - port: string; - relative: string; - path: string; - directory: string; - file: string; - query: string; - anchor: string; - pathNames: Array; - queryKey: { - [key: string]: string; - }; - id: string; - href: string; -}; -/** - * URL parser. - * - * @param uri - url - * @param path - the request path of the connection - * @param loc - An object meant to mimic window.location. - * Defaults to window.location. - * @public - */ -export declare function url(uri: string | ParsedUrl, path?: string, loc?: Location): ParsedUrl; -export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/cjs/url.js b/examples/axum-echo/node_modules/socket.io-client/build/cjs/url.js deleted file mode 100644 index b763b702..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/cjs/url.js +++ /dev/null @@ -1,70 +0,0 @@ -"use strict"; -var __importDefault = (this && this.__importDefault) || function (mod) { - return (mod && mod.__esModule) ? mod : { "default": mod }; -}; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.url = void 0; -const engine_io_client_1 = require("engine.io-client"); -const debug_1 = __importDefault(require("debug")); // debug() -const debug = debug_1.default("socket.io-client:url"); // debug() -/** - * URL parser. - * - * @param uri - url - * @param path - the request path of the connection - * @param loc - An object meant to mimic window.location. - * Defaults to window.location. - * @public - */ -function url(uri, path = "", loc) { - let obj = uri; - // default to window.location - loc = loc || (typeof location !== "undefined" && location); - if (null == uri) - uri = loc.protocol + "//" + loc.host; - // relative path support - if (typeof uri === "string") { - if ("/" === uri.charAt(0)) { - if ("/" === uri.charAt(1)) { - uri = loc.protocol + uri; - } - else { - uri = loc.host + uri; - } - } - if (!/^(https?|wss?):\/\//.test(uri)) { - debug("protocol-less url %s", uri); - if ("undefined" !== typeof loc) { - uri = loc.protocol + "//" + uri; - } - else { - uri = "https://" + uri; - } - } - // parse - debug("parse %s", uri); - obj = engine_io_client_1.parse(uri); - } - // make sure we treat `localhost:80` and `localhost` equally - if (!obj.port) { - if (/^(http|ws)$/.test(obj.protocol)) { - obj.port = "80"; - } - else if (/^(http|ws)s$/.test(obj.protocol)) { - obj.port = "443"; - } - } - obj.path = obj.path || "/"; - const ipv6 = obj.host.indexOf(":") !== -1; - const host = ipv6 ? "[" + obj.host + "]" : obj.host; - // define unique id - obj.id = obj.protocol + "://" + host + ":" + obj.port + path; - // define href - obj.href = - obj.protocol + - "://" + - host + - (loc && loc.port === obj.port ? "" : ":" + obj.port); - return obj; -} -exports.url = url; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/browser-entrypoint.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/browser-entrypoint.d.ts deleted file mode 100644 index 18fe370b..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/browser-entrypoint.d.ts +++ /dev/null @@ -1,2 +0,0 @@ -import { io } from "./index.js"; -export default io; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/browser-entrypoint.js b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/browser-entrypoint.js deleted file mode 100644 index 18fe370b..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/browser-entrypoint.js +++ /dev/null @@ -1,2 +0,0 @@ -import { io } from "./index.js"; -export default io; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/contrib/backo2.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/contrib/backo2.d.ts deleted file mode 100644 index 644c7351..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/contrib/backo2.d.ts +++ /dev/null @@ -1,12 +0,0 @@ -/** - * Initialize backoff timer with `opts`. - * - * - `min` initial timeout in milliseconds [100] - * - `max` max timeout [10000] - * - `jitter` [0] - * - `factor` [2] - * - * @param {Object} opts - * @api public - */ -export declare function Backoff(opts: any): void; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/contrib/backo2.js b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/contrib/backo2.js deleted file mode 100644 index 8f42c103..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/contrib/backo2.js +++ /dev/null @@ -1,66 +0,0 @@ -/** - * Initialize backoff timer with `opts`. - * - * - `min` initial timeout in milliseconds [100] - * - `max` max timeout [10000] - * - `jitter` [0] - * - `factor` [2] - * - * @param {Object} opts - * @api public - */ -export function Backoff(opts) { - opts = opts || {}; - this.ms = opts.min || 100; - this.max = opts.max || 10000; - this.factor = opts.factor || 2; - this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0; - this.attempts = 0; -} -/** - * Return the backoff duration. - * - * @return {Number} - * @api public - */ -Backoff.prototype.duration = function () { - var ms = this.ms * Math.pow(this.factor, this.attempts++); - if (this.jitter) { - var rand = Math.random(); - var deviation = Math.floor(rand * this.jitter * ms); - ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation; - } - return Math.min(ms, this.max) | 0; -}; -/** - * Reset the number of attempts. - * - * @api public - */ -Backoff.prototype.reset = function () { - this.attempts = 0; -}; -/** - * Set the minimum duration - * - * @api public - */ -Backoff.prototype.setMin = function (min) { - this.ms = min; -}; -/** - * Set the maximum duration - * - * @api public - */ -Backoff.prototype.setMax = function (max) { - this.max = max; -}; -/** - * Set the jitter - * - * @api public - */ -Backoff.prototype.setJitter = function (jitter) { - this.jitter = jitter; -}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/index.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/index.d.ts deleted file mode 100644 index adfed240..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/index.d.ts +++ /dev/null @@ -1,28 +0,0 @@ -import { Manager, ManagerOptions } from "./manager.js"; -import { Socket, SocketOptions } from "./socket.js"; -/** - * Looks up an existing `Manager` for multiplexing. - * If the user summons: - * - * `io('http://localhost/a');` - * `io('http://localhost/b');` - * - * We reuse the existing instance based on same scheme/port/host, - * and we initialize sockets for each namespace. - * - * @public - */ -declare function lookup(opts?: Partial): Socket; -declare function lookup(uri: string, opts?: Partial): Socket; -/** - * Protocol version. - * - * @public - */ -export { protocol } from "socket.io-parser"; -/** - * Expose constructors for standalone build. - * - * @public - */ -export { Manager, ManagerOptions, Socket, SocketOptions, lookup as io, lookup as connect, lookup as default, }; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/index.js b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/index.js deleted file mode 100644 index 6228b087..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/index.js +++ /dev/null @@ -1,61 +0,0 @@ -import { url } from "./url.js"; -import { Manager } from "./manager.js"; -import { Socket } from "./socket.js"; -import debugModule from "debug"; // debug() -const debug = debugModule("socket.io-client"); // debug() -/** - * Managers cache. - */ -const cache = {}; -function lookup(uri, opts) { - if (typeof uri === "object") { - opts = uri; - uri = undefined; - } - opts = opts || {}; - const parsed = url(uri, opts.path || "/socket.io"); - const source = parsed.source; - const id = parsed.id; - const path = parsed.path; - const sameNamespace = cache[id] && path in cache[id]["nsps"]; - const newConnection = opts.forceNew || - opts["force new connection"] || - false === opts.multiplex || - sameNamespace; - let io; - if (newConnection) { - debug("ignoring socket cache for %s", source); - io = new Manager(source, opts); - } - else { - if (!cache[id]) { - debug("new io instance for %s", source); - cache[id] = new Manager(source, opts); - } - io = cache[id]; - } - if (parsed.query && !opts.query) { - opts.query = parsed.queryKey; - } - return io.socket(parsed.path, opts); -} -// so that "lookup" can be used both as a function (e.g. `io(...)`) and as a -// namespace (e.g. `io.connect(...)`), for backward compatibility -Object.assign(lookup, { - Manager, - Socket, - io: lookup, - connect: lookup, -}); -/** - * Protocol version. - * - * @public - */ -export { protocol } from "socket.io-parser"; -/** - * Expose constructors for standalone build. - * - * @public - */ -export { Manager, Socket, lookup as io, lookup as connect, lookup as default, }; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/manager.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/manager.d.ts deleted file mode 100644 index cb5dbb1e..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/manager.d.ts +++ /dev/null @@ -1,291 +0,0 @@ -import { Socket as Engine, SocketOptions as EngineOptions } from "engine.io-client"; -import { Socket, SocketOptions, DisconnectDescription } from "./socket.js"; -import { Packet } from "socket.io-parser"; -import { DefaultEventsMap, EventsMap, Emitter } from "@socket.io/component-emitter"; -export interface ManagerOptions extends EngineOptions { - /** - * Should we force a new Manager for this connection? - * @default false - */ - forceNew: boolean; - /** - * Should we multiplex our connection (reuse existing Manager) ? - * @default true - */ - multiplex: boolean; - /** - * The path to get our client file from, in the case of the server - * serving it - * @default '/socket.io' - */ - path: string; - /** - * Should we allow reconnections? - * @default true - */ - reconnection: boolean; - /** - * How many reconnection attempts should we try? - * @default Infinity - */ - reconnectionAttempts: number; - /** - * The time delay in milliseconds between reconnection attempts - * @default 1000 - */ - reconnectionDelay: number; - /** - * The max time delay in milliseconds between reconnection attempts - * @default 5000 - */ - reconnectionDelayMax: number; - /** - * Used in the exponential backoff jitter when reconnecting - * @default 0.5 - */ - randomizationFactor: number; - /** - * The timeout in milliseconds for our connection attempt - * @default 20000 - */ - timeout: number; - /** - * Should we automatically connect? - * @default true - */ - autoConnect: boolean; - /** - * the parser to use. Defaults to an instance of the Parser that ships with socket.io. - */ - parser: any; -} -interface ManagerReservedEvents { - open: () => void; - error: (err: Error) => void; - ping: () => void; - packet: (packet: Packet) => void; - close: (reason: string, description?: DisconnectDescription) => void; - reconnect_failed: () => void; - reconnect_attempt: (attempt: number) => void; - reconnect_error: (err: Error) => void; - reconnect: (attempt: number) => void; -} -export declare class Manager extends Emitter<{}, {}, ManagerReservedEvents> { - /** - * The Engine.IO client instance - * - * @public - */ - engine: Engine; - /** - * @private - */ - _autoConnect: boolean; - /** - * @private - */ - _readyState: "opening" | "open" | "closed"; - /** - * @private - */ - _reconnecting: boolean; - private readonly uri; - opts: Partial; - private nsps; - private subs; - private backoff; - private setTimeoutFn; - private clearTimeoutFn; - private _reconnection; - private _reconnectionAttempts; - private _reconnectionDelay; - private _randomizationFactor; - private _reconnectionDelayMax; - private _timeout; - private encoder; - private decoder; - private skipReconnect; - /** - * `Manager` constructor. - * - * @param uri - engine instance or engine uri/opts - * @param opts - options - * @public - */ - constructor(opts: Partial); - constructor(uri?: string, opts?: Partial); - constructor(uri?: string | Partial, opts?: Partial); - /** - * Sets the `reconnection` config. - * - * @param {Boolean} v - true/false if it should automatically reconnect - * @return {Manager} self or value - * @public - */ - reconnection(v: boolean): this; - reconnection(): boolean; - reconnection(v?: boolean): this | boolean; - /** - * Sets the reconnection attempts config. - * - * @param {Number} v - max reconnection attempts before giving up - * @return {Manager} self or value - * @public - */ - reconnectionAttempts(v: number): this; - reconnectionAttempts(): number; - reconnectionAttempts(v?: number): this | number; - /** - * Sets the delay between reconnections. - * - * @param {Number} v - delay - * @return {Manager} self or value - * @public - */ - reconnectionDelay(v: number): this; - reconnectionDelay(): number; - reconnectionDelay(v?: number): this | number; - /** - * Sets the randomization factor - * - * @param v - the randomization factor - * @return self or value - * @public - */ - randomizationFactor(v: number): this; - randomizationFactor(): number; - randomizationFactor(v?: number): this | number; - /** - * Sets the maximum delay between reconnections. - * - * @param v - delay - * @return self or value - * @public - */ - reconnectionDelayMax(v: number): this; - reconnectionDelayMax(): number; - reconnectionDelayMax(v?: number): this | number; - /** - * Sets the connection timeout. `false` to disable - * - * @param v - connection timeout - * @return self or value - * @public - */ - timeout(v: number | boolean): this; - timeout(): number | boolean; - timeout(v?: number | boolean): this | number | boolean; - /** - * Starts trying to reconnect if reconnection is enabled and we have not - * started reconnecting yet - * - * @private - */ - private maybeReconnectOnOpen; - /** - * Sets the current transport `socket`. - * - * @param {Function} fn - optional, callback - * @return self - * @public - */ - open(fn?: (err?: Error) => void): this; - /** - * Alias for open() - * - * @return self - * @public - */ - connect(fn?: (err?: Error) => void): this; - /** - * Called upon transport open. - * - * @private - */ - private onopen; - /** - * Called upon a ping. - * - * @private - */ - private onping; - /** - * Called with data. - * - * @private - */ - private ondata; - /** - * Called when parser fully decodes a packet. - * - * @private - */ - private ondecoded; - /** - * Called upon socket error. - * - * @private - */ - private onerror; - /** - * Creates a new socket for the given `nsp`. - * - * @return {Socket} - * @public - */ - socket(nsp: string, opts?: Partial): Socket; - /** - * Called upon a socket close. - * - * @param socket - * @private - */ - _destroy(socket: Socket): void; - /** - * Writes a packet. - * - * @param packet - * @private - */ - _packet(packet: Partial): void; - /** - * Clean up transport subscriptions and packet buffer. - * - * @private - */ - private cleanup; - /** - * Close the current socket. - * - * @private - */ - _close(): void; - /** - * Alias for close() - * - * @private - */ - private disconnect; - /** - * Called upon engine close. - * - * @private - */ - private onclose; - /** - * Attempt a reconnection. - * - * @private - */ - private reconnect; - /** - * Called upon successful reconnect. - * - * @private - */ - private onreconnect; -} -export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/manager.js b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/manager.js deleted file mode 100644 index 29be80e5..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/manager.js +++ /dev/null @@ -1,377 +0,0 @@ -import { Socket as Engine, installTimerFunctions, nextTick, } from "engine.io-client"; -import { Socket } from "./socket.js"; -import * as parser from "socket.io-parser"; -import { on } from "./on.js"; -import { Backoff } from "./contrib/backo2.js"; -import { Emitter, } from "@socket.io/component-emitter"; -import debugModule from "debug"; // debug() -const debug = debugModule("socket.io-client:manager"); // debug() -export class Manager extends Emitter { - constructor(uri, opts) { - var _a; - super(); - this.nsps = {}; - this.subs = []; - if (uri && "object" === typeof uri) { - opts = uri; - uri = undefined; - } - opts = opts || {}; - opts.path = opts.path || "/socket.io"; - this.opts = opts; - installTimerFunctions(this, opts); - this.reconnection(opts.reconnection !== false); - this.reconnectionAttempts(opts.reconnectionAttempts || Infinity); - this.reconnectionDelay(opts.reconnectionDelay || 1000); - this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000); - this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5); - this.backoff = new Backoff({ - min: this.reconnectionDelay(), - max: this.reconnectionDelayMax(), - jitter: this.randomizationFactor(), - }); - this.timeout(null == opts.timeout ? 20000 : opts.timeout); - this._readyState = "closed"; - this.uri = uri; - const _parser = opts.parser || parser; - this.encoder = new _parser.Encoder(); - this.decoder = new _parser.Decoder(); - this._autoConnect = opts.autoConnect !== false; - if (this._autoConnect) - this.open(); - } - reconnection(v) { - if (!arguments.length) - return this._reconnection; - this._reconnection = !!v; - return this; - } - reconnectionAttempts(v) { - if (v === undefined) - return this._reconnectionAttempts; - this._reconnectionAttempts = v; - return this; - } - reconnectionDelay(v) { - var _a; - if (v === undefined) - return this._reconnectionDelay; - this._reconnectionDelay = v; - (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v); - return this; - } - randomizationFactor(v) { - var _a; - if (v === undefined) - return this._randomizationFactor; - this._randomizationFactor = v; - (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v); - return this; - } - reconnectionDelayMax(v) { - var _a; - if (v === undefined) - return this._reconnectionDelayMax; - this._reconnectionDelayMax = v; - (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v); - return this; - } - timeout(v) { - if (!arguments.length) - return this._timeout; - this._timeout = v; - return this; - } - /** - * Starts trying to reconnect if reconnection is enabled and we have not - * started reconnecting yet - * - * @private - */ - maybeReconnectOnOpen() { - // Only try to reconnect if it's the first time we're connecting - if (!this._reconnecting && - this._reconnection && - this.backoff.attempts === 0) { - // keeps reconnection from firing twice for the same reconnection loop - this.reconnect(); - } - } - /** - * Sets the current transport `socket`. - * - * @param {Function} fn - optional, callback - * @return self - * @public - */ - open(fn) { - debug("readyState %s", this._readyState); - if (~this._readyState.indexOf("open")) - return this; - debug("opening %s", this.uri); - this.engine = new Engine(this.uri, this.opts); - const socket = this.engine; - const self = this; - this._readyState = "opening"; - this.skipReconnect = false; - // emit `open` - const openSubDestroy = on(socket, "open", function () { - self.onopen(); - fn && fn(); - }); - const onError = (err) => { - debug("error"); - this.cleanup(); - this._readyState = "closed"; - this.emitReserved("error", err); - if (fn) { - fn(err); - } - else { - // Only do this if there is no fn to handle the error - this.maybeReconnectOnOpen(); - } - }; - // emit `error` - const errorSub = on(socket, "error", onError); - if (false !== this._timeout) { - const timeout = this._timeout; - debug("connect attempt will timeout after %d", timeout); - // set timer - const timer = this.setTimeoutFn(() => { - debug("connect attempt timed out after %d", timeout); - openSubDestroy(); - onError(new Error("timeout")); - socket.close(); - }, timeout); - if (this.opts.autoUnref) { - timer.unref(); - } - this.subs.push(() => { - this.clearTimeoutFn(timer); - }); - } - this.subs.push(openSubDestroy); - this.subs.push(errorSub); - return this; - } - /** - * Alias for open() - * - * @return self - * @public - */ - connect(fn) { - return this.open(fn); - } - /** - * Called upon transport open. - * - * @private - */ - onopen() { - debug("open"); - // clear old subs - this.cleanup(); - // mark as open - this._readyState = "open"; - this.emitReserved("open"); - // add new subs - const socket = this.engine; - this.subs.push(on(socket, "ping", this.onping.bind(this)), on(socket, "data", this.ondata.bind(this)), on(socket, "error", this.onerror.bind(this)), on(socket, "close", this.onclose.bind(this)), on(this.decoder, "decoded", this.ondecoded.bind(this))); - } - /** - * Called upon a ping. - * - * @private - */ - onping() { - this.emitReserved("ping"); - } - /** - * Called with data. - * - * @private - */ - ondata(data) { - try { - this.decoder.add(data); - } - catch (e) { - this.onclose("parse error", e); - } - } - /** - * Called when parser fully decodes a packet. - * - * @private - */ - ondecoded(packet) { - // the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a "parse error" - nextTick(() => { - this.emitReserved("packet", packet); - }, this.setTimeoutFn); - } - /** - * Called upon socket error. - * - * @private - */ - onerror(err) { - debug("error", err); - this.emitReserved("error", err); - } - /** - * Creates a new socket for the given `nsp`. - * - * @return {Socket} - * @public - */ - socket(nsp, opts) { - let socket = this.nsps[nsp]; - if (!socket) { - socket = new Socket(this, nsp, opts); - this.nsps[nsp] = socket; - } - else if (this._autoConnect && !socket.active) { - socket.connect(); - } - return socket; - } - /** - * Called upon a socket close. - * - * @param socket - * @private - */ - _destroy(socket) { - const nsps = Object.keys(this.nsps); - for (const nsp of nsps) { - const socket = this.nsps[nsp]; - if (socket.active) { - debug("socket %s is still active, skipping close", nsp); - return; - } - } - this._close(); - } - /** - * Writes a packet. - * - * @param packet - * @private - */ - _packet(packet) { - debug("writing packet %j", packet); - const encodedPackets = this.encoder.encode(packet); - for (let i = 0; i < encodedPackets.length; i++) { - this.engine.write(encodedPackets[i], packet.options); - } - } - /** - * Clean up transport subscriptions and packet buffer. - * - * @private - */ - cleanup() { - debug("cleanup"); - this.subs.forEach((subDestroy) => subDestroy()); - this.subs.length = 0; - this.decoder.destroy(); - } - /** - * Close the current socket. - * - * @private - */ - _close() { - debug("disconnect"); - this.skipReconnect = true; - this._reconnecting = false; - this.onclose("forced close"); - if (this.engine) - this.engine.close(); - } - /** - * Alias for close() - * - * @private - */ - disconnect() { - return this._close(); - } - /** - * Called upon engine close. - * - * @private - */ - onclose(reason, description) { - debug("closed due to %s", reason); - this.cleanup(); - this.backoff.reset(); - this._readyState = "closed"; - this.emitReserved("close", reason, description); - if (this._reconnection && !this.skipReconnect) { - this.reconnect(); - } - } - /** - * Attempt a reconnection. - * - * @private - */ - reconnect() { - if (this._reconnecting || this.skipReconnect) - return this; - const self = this; - if (this.backoff.attempts >= this._reconnectionAttempts) { - debug("reconnect failed"); - this.backoff.reset(); - this.emitReserved("reconnect_failed"); - this._reconnecting = false; - } - else { - const delay = this.backoff.duration(); - debug("will wait %dms before reconnect attempt", delay); - this._reconnecting = true; - const timer = this.setTimeoutFn(() => { - if (self.skipReconnect) - return; - debug("attempting reconnect"); - this.emitReserved("reconnect_attempt", self.backoff.attempts); - // check again for the case socket closed in above events - if (self.skipReconnect) - return; - self.open((err) => { - if (err) { - debug("reconnect attempt error"); - self._reconnecting = false; - self.reconnect(); - this.emitReserved("reconnect_error", err); - } - else { - debug("reconnect success"); - self.onreconnect(); - } - }); - }, delay); - if (this.opts.autoUnref) { - timer.unref(); - } - this.subs.push(() => { - this.clearTimeoutFn(timer); - }); - } - } - /** - * Called upon successful reconnect. - * - * @private - */ - onreconnect() { - const attempt = this.backoff.attempts; - this._reconnecting = false; - this.backoff.reset(); - this.emitReserved("reconnect", attempt); - } -} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/on.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/on.d.ts deleted file mode 100644 index 41796347..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/on.d.ts +++ /dev/null @@ -1,2 +0,0 @@ -import { Emitter } from "@socket.io/component-emitter"; -export declare function on(obj: Emitter, ev: string, fn: (err?: any) => any): VoidFunction; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/on.js b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/on.js deleted file mode 100644 index dfe093a7..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/on.js +++ /dev/null @@ -1,6 +0,0 @@ -export function on(obj, ev, fn) { - obj.on(ev, fn); - return function subDestroy() { - obj.off(ev, fn); - }; -} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/package.json b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/package.json deleted file mode 100644 index 719193cc..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/package.json +++ /dev/null @@ -1,4 +0,0 @@ -{ - "name": "socket.io-client", - "type": "module" -} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/socket.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/socket.d.ts deleted file mode 100644 index b6137857..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/socket.d.ts +++ /dev/null @@ -1,563 +0,0 @@ -import { Packet } from "socket.io-parser"; -import { Manager } from "./manager.js"; -import { DefaultEventsMap, EventNames, EventParams, EventsMap, Emitter } from "@socket.io/component-emitter"; -declare type PrependTimeoutError = { - [K in keyof T]: T[K] extends (...args: infer Params) => infer Result ? (err: Error, ...args: Params) => Result : T[K]; -}; -/** - * Utility type to decorate the acknowledgement callbacks with a timeout error. - * - * This is needed because the timeout() flag breaks the symmetry between the sender and the receiver: - * - * @example - * interface Events { - * "my-event": (val: string) => void; - * } - * - * socket.on("my-event", (cb) => { - * cb("123"); // one single argument here - * }); - * - * socket.timeout(1000).emit("my-event", (err, val) => { - * // two arguments there (the "err" argument is not properly typed) - * }); - * - */ -export declare type DecorateAcknowledgements = { - [K in keyof E]: E[K] extends (...args: infer Params) => infer Result ? (...args: PrependTimeoutError) => Result : E[K]; -}; -export declare type Last = T extends [...infer H, infer L] ? L : any; -export declare type AllButLast = T extends [...infer H, infer L] ? H : any[]; -export declare type FirstArg = T extends (arg: infer Param) => infer Result ? Param : any; -export interface SocketOptions { - /** - * the authentication payload sent when connecting to the Namespace - */ - auth?: { - [key: string]: any; - } | ((cb: (data: object) => void) => void); - /** - * The maximum number of retries. Above the limit, the packet will be discarded. - * - * Using `Infinity` means the delivery guarantee is "at-least-once" (instead of "at-most-once" by default), but a - * smaller value like 10 should be sufficient in practice. - */ - retries?: number; - /** - * The default timeout in milliseconds used when waiting for an acknowledgement. - */ - ackTimeout?: number; -} -export declare type DisconnectDescription = Error | { - description: string; - context?: unknown; -}; -interface SocketReservedEvents { - connect: () => void; - connect_error: (err: Error) => void; - disconnect: (reason: Socket.DisconnectReason, description?: DisconnectDescription) => void; -} -/** - * A Socket is the fundamental class for interacting with the server. - * - * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate. - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log("connected"); - * }); - * - * // send an event to the server - * socket.emit("foo", "bar"); - * - * socket.on("foobar", () => { - * // an event was received from the server - * }); - * - * // upon disconnection - * socket.on("disconnect", (reason) => { - * console.log(`disconnected due to ${reason}`); - * }); - */ -export declare class Socket extends Emitter { - readonly io: Manager; - /** - * A unique identifier for the session. `undefined` when the socket is not connected. - * - * @example - * const socket = io(); - * - * console.log(socket.id); // undefined - * - * socket.on("connect", () => { - * console.log(socket.id); // "G5p5..." - * }); - */ - id: string | undefined; - /** - * The session ID used for connection state recovery, which must not be shared (unlike {@link id}). - * - * @private - */ - private _pid; - /** - * The offset of the last received packet, which will be sent upon reconnection to allow for the recovery of the connection state. - * - * @private - */ - private _lastOffset; - /** - * Whether the socket is currently connected to the server. - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log(socket.connected); // true - * }); - * - * socket.on("disconnect", () => { - * console.log(socket.connected); // false - * }); - */ - connected: boolean; - /** - * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will - * be transmitted by the server. - */ - recovered: boolean; - /** - * Credentials that are sent when accessing a namespace. - * - * @example - * const socket = io({ - * auth: { - * token: "abcd" - * } - * }); - * - * // or with a function - * const socket = io({ - * auth: (cb) => { - * cb({ token: localStorage.token }) - * } - * }); - */ - auth: { - [key: string]: any; - } | ((cb: (data: object) => void) => void); - /** - * Buffer for packets received before the CONNECT packet - */ - receiveBuffer: Array>; - /** - * Buffer for packets that will be sent once the socket is connected - */ - sendBuffer: Array; - /** - * The queue of packets to be sent with retry in case of failure. - * - * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order. - * @private - */ - private _queue; - /** - * A sequence to generate the ID of the {@link QueuedPacket}. - * @private - */ - private _queueSeq; - private readonly nsp; - private readonly _opts; - private ids; - private acks; - private flags; - private subs?; - private _anyListeners; - private _anyOutgoingListeners; - /** - * `Socket` constructor. - */ - constructor(io: Manager, nsp: string, opts?: Partial); - /** - * Whether the socket is currently disconnected - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log(socket.disconnected); // false - * }); - * - * socket.on("disconnect", () => { - * console.log(socket.disconnected); // true - * }); - */ - get disconnected(): boolean; - /** - * Subscribe to open, close and packet events - * - * @private - */ - private subEvents; - /** - * Whether the Socket will try to reconnect when its Manager connects or reconnects. - * - * @example - * const socket = io(); - * - * console.log(socket.active); // true - * - * socket.on("disconnect", (reason) => { - * if (reason === "io server disconnect") { - * // the disconnection was initiated by the server, you need to manually reconnect - * console.log(socket.active); // false - * } - * // else the socket will automatically try to reconnect - * console.log(socket.active); // true - * }); - */ - get active(): boolean; - /** - * "Opens" the socket. - * - * @example - * const socket = io({ - * autoConnect: false - * }); - * - * socket.connect(); - */ - connect(): this; - /** - * Alias for {@link connect()}. - */ - open(): this; - /** - * Sends a `message` event. - * - * This method mimics the WebSocket.send() method. - * - * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send - * - * @example - * socket.send("hello"); - * - * // this is equivalent to - * socket.emit("message", "hello"); - * - * @return self - */ - send(...args: any[]): this; - /** - * Override `emit`. - * If the event is in `events`, it's emitted normally. - * - * @example - * socket.emit("hello", "world"); - * - * // all serializable datastructures are supported (no need to call JSON.stringify) - * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) }); - * - * // with an acknowledgement from the server - * socket.emit("hello", "world", (val) => { - * // ... - * }); - * - * @return self - */ - emit>(ev: Ev, ...args: EventParams): this; - /** - * @private - */ - private _registerAckCallback; - /** - * Emits an event and waits for an acknowledgement - * - * @example - * // without timeout - * const response = await socket.emitWithAck("hello", "world"); - * - * // with a specific timeout - * try { - * const response = await socket.timeout(1000).emitWithAck("hello", "world"); - * } catch (err) { - * // the server did not acknowledge the event in the given delay - * } - * - * @return a Promise that will be fulfilled when the server acknowledges the event - */ - emitWithAck>(ev: Ev, ...args: AllButLast>): Promise>>>; - /** - * Add the packet to the queue. - * @param args - * @private - */ - private _addToQueue; - /** - * Send the first packet of the queue, and wait for an acknowledgement from the server. - * @param force - whether to resend a packet that has not been acknowledged yet - * - * @private - */ - private _drainQueue; - /** - * Sends a packet. - * - * @param packet - * @private - */ - private packet; - /** - * Called upon engine `open`. - * - * @private - */ - private onopen; - /** - * Sends a CONNECT packet to initiate the Socket.IO session. - * - * @param data - * @private - */ - private _sendConnectPacket; - /** - * Called upon engine or manager `error`. - * - * @param err - * @private - */ - private onerror; - /** - * Called upon engine `close`. - * - * @param reason - * @param description - * @private - */ - private onclose; - /** - * Called with socket packet. - * - * @param packet - * @private - */ - private onpacket; - /** - * Called upon a server event. - * - * @param packet - * @private - */ - private onevent; - private emitEvent; - /** - * Produces an ack callback to emit with an event. - * - * @private - */ - private ack; - /** - * Called upon a server acknowlegement. - * - * @param packet - * @private - */ - private onack; - /** - * Called upon server connect. - * - * @private - */ - private onconnect; - /** - * Emit buffered events (received and emitted). - * - * @private - */ - private emitBuffered; - /** - * Called upon server disconnect. - * - * @private - */ - private ondisconnect; - /** - * Called upon forced client/server side disconnections, - * this method ensures the manager stops tracking us and - * that reconnections don't get triggered for this. - * - * @private - */ - private destroy; - /** - * Disconnects the socket manually. In that case, the socket will not try to reconnect. - * - * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed. - * - * @example - * const socket = io(); - * - * socket.on("disconnect", (reason) => { - * // console.log(reason); prints "io client disconnect" - * }); - * - * socket.disconnect(); - * - * @return self - */ - disconnect(): this; - /** - * Alias for {@link disconnect()}. - * - * @return self - */ - close(): this; - /** - * Sets the compress flag. - * - * @example - * socket.compress(false).emit("hello"); - * - * @param compress - if `true`, compresses the sending data - * @return self - */ - compress(compress: boolean): this; - /** - * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not - * ready to send messages. - * - * @example - * socket.volatile.emit("hello"); // the server may or may not receive it - * - * @returns self - */ - get volatile(): this; - /** - * Sets a modifier for a subsequent event emission that the callback will be called with an error when the - * given number of milliseconds have elapsed without an acknowledgement from the server: - * - * @example - * socket.timeout(5000).emit("my-event", (err) => { - * if (err) { - * // the server did not acknowledge the event in the given delay - * } - * }); - * - * @returns self - */ - timeout(timeout: number): Socket>; - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. - * - * @example - * socket.onAny((event, ...args) => { - * console.log(`got ${event}`); - * }); - * - * @param listener - */ - onAny(listener: (...args: any[]) => void): this; - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. The listener is added to the beginning of the listeners array. - * - * @example - * socket.prependAny((event, ...args) => { - * console.log(`got event ${event}`); - * }); - * - * @param listener - */ - prependAny(listener: (...args: any[]) => void): this; - /** - * Removes the listener that will be fired when any event is emitted. - * - * @example - * const catchAllListener = (event, ...args) => { - * console.log(`got event ${event}`); - * } - * - * socket.onAny(catchAllListener); - * - * // remove a specific listener - * socket.offAny(catchAllListener); - * - * // or remove all listeners - * socket.offAny(); - * - * @param listener - */ - offAny(listener?: (...args: any[]) => void): this; - /** - * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, - * e.g. to remove listeners. - */ - listenersAny(): ((...args: any[]) => void)[]; - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. - * - * Note: acknowledgements sent to the server are not included. - * - * @example - * socket.onAnyOutgoing((event, ...args) => { - * console.log(`sent event ${event}`); - * }); - * - * @param listener - */ - onAnyOutgoing(listener: (...args: any[]) => void): this; - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. The listener is added to the beginning of the listeners array. - * - * Note: acknowledgements sent to the server are not included. - * - * @example - * socket.prependAnyOutgoing((event, ...args) => { - * console.log(`sent event ${event}`); - * }); - * - * @param listener - */ - prependAnyOutgoing(listener: (...args: any[]) => void): this; - /** - * Removes the listener that will be fired when any event is emitted. - * - * @example - * const catchAllListener = (event, ...args) => { - * console.log(`sent event ${event}`); - * } - * - * socket.onAnyOutgoing(catchAllListener); - * - * // remove a specific listener - * socket.offAnyOutgoing(catchAllListener); - * - * // or remove all listeners - * socket.offAnyOutgoing(); - * - * @param [listener] - the catch-all listener (optional) - */ - offAnyOutgoing(listener?: (...args: any[]) => void): this; - /** - * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, - * e.g. to remove listeners. - */ - listenersAnyOutgoing(): ((...args: any[]) => void)[]; - /** - * Notify the listeners for each packet sent - * - * @param packet - * - * @private - */ - private notifyOutgoingListeners; -} -export declare namespace Socket { - type DisconnectReason = "io server disconnect" | "io client disconnect" | "ping timeout" | "transport close" | "transport error" | "parse error"; -} -export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/socket.js b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/socket.js deleted file mode 100644 index 482b4aeb..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/socket.js +++ /dev/null @@ -1,859 +0,0 @@ -import { PacketType } from "socket.io-parser"; -import { on } from "./on.js"; -import { Emitter, } from "@socket.io/component-emitter"; -import debugModule from "debug"; // debug() -const debug = debugModule("socket.io-client:socket"); // debug() -/** - * Internal events. - * These events can't be emitted by the user. - */ -const RESERVED_EVENTS = Object.freeze({ - connect: 1, - connect_error: 1, - disconnect: 1, - disconnecting: 1, - // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener - newListener: 1, - removeListener: 1, -}); -/** - * A Socket is the fundamental class for interacting with the server. - * - * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate. - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log("connected"); - * }); - * - * // send an event to the server - * socket.emit("foo", "bar"); - * - * socket.on("foobar", () => { - * // an event was received from the server - * }); - * - * // upon disconnection - * socket.on("disconnect", (reason) => { - * console.log(`disconnected due to ${reason}`); - * }); - */ -export class Socket extends Emitter { - /** - * `Socket` constructor. - */ - constructor(io, nsp, opts) { - super(); - /** - * Whether the socket is currently connected to the server. - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log(socket.connected); // true - * }); - * - * socket.on("disconnect", () => { - * console.log(socket.connected); // false - * }); - */ - this.connected = false; - /** - * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will - * be transmitted by the server. - */ - this.recovered = false; - /** - * Buffer for packets received before the CONNECT packet - */ - this.receiveBuffer = []; - /** - * Buffer for packets that will be sent once the socket is connected - */ - this.sendBuffer = []; - /** - * The queue of packets to be sent with retry in case of failure. - * - * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order. - * @private - */ - this._queue = []; - /** - * A sequence to generate the ID of the {@link QueuedPacket}. - * @private - */ - this._queueSeq = 0; - this.ids = 0; - this.acks = {}; - this.flags = {}; - this.io = io; - this.nsp = nsp; - if (opts && opts.auth) { - this.auth = opts.auth; - } - this._opts = Object.assign({}, opts); - if (this.io._autoConnect) - this.open(); - } - /** - * Whether the socket is currently disconnected - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log(socket.disconnected); // false - * }); - * - * socket.on("disconnect", () => { - * console.log(socket.disconnected); // true - * }); - */ - get disconnected() { - return !this.connected; - } - /** - * Subscribe to open, close and packet events - * - * @private - */ - subEvents() { - if (this.subs) - return; - const io = this.io; - this.subs = [ - on(io, "open", this.onopen.bind(this)), - on(io, "packet", this.onpacket.bind(this)), - on(io, "error", this.onerror.bind(this)), - on(io, "close", this.onclose.bind(this)), - ]; - } - /** - * Whether the Socket will try to reconnect when its Manager connects or reconnects. - * - * @example - * const socket = io(); - * - * console.log(socket.active); // true - * - * socket.on("disconnect", (reason) => { - * if (reason === "io server disconnect") { - * // the disconnection was initiated by the server, you need to manually reconnect - * console.log(socket.active); // false - * } - * // else the socket will automatically try to reconnect - * console.log(socket.active); // true - * }); - */ - get active() { - return !!this.subs; - } - /** - * "Opens" the socket. - * - * @example - * const socket = io({ - * autoConnect: false - * }); - * - * socket.connect(); - */ - connect() { - if (this.connected) - return this; - this.subEvents(); - if (!this.io["_reconnecting"]) - this.io.open(); // ensure open - if ("open" === this.io._readyState) - this.onopen(); - return this; - } - /** - * Alias for {@link connect()}. - */ - open() { - return this.connect(); - } - /** - * Sends a `message` event. - * - * This method mimics the WebSocket.send() method. - * - * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send - * - * @example - * socket.send("hello"); - * - * // this is equivalent to - * socket.emit("message", "hello"); - * - * @return self - */ - send(...args) { - args.unshift("message"); - this.emit.apply(this, args); - return this; - } - /** - * Override `emit`. - * If the event is in `events`, it's emitted normally. - * - * @example - * socket.emit("hello", "world"); - * - * // all serializable datastructures are supported (no need to call JSON.stringify) - * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) }); - * - * // with an acknowledgement from the server - * socket.emit("hello", "world", (val) => { - * // ... - * }); - * - * @return self - */ - emit(ev, ...args) { - if (RESERVED_EVENTS.hasOwnProperty(ev)) { - throw new Error('"' + ev.toString() + '" is a reserved event name'); - } - args.unshift(ev); - if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) { - this._addToQueue(args); - return this; - } - const packet = { - type: PacketType.EVENT, - data: args, - }; - packet.options = {}; - packet.options.compress = this.flags.compress !== false; - // event ack callback - if ("function" === typeof args[args.length - 1]) { - const id = this.ids++; - debug("emitting packet with ack id %d", id); - const ack = args.pop(); - this._registerAckCallback(id, ack); - packet.id = id; - } - const isTransportWritable = this.io.engine && - this.io.engine.transport && - this.io.engine.transport.writable; - const discardPacket = this.flags.volatile && (!isTransportWritable || !this.connected); - if (discardPacket) { - debug("discard packet as the transport is not currently writable"); - } - else if (this.connected) { - this.notifyOutgoingListeners(packet); - this.packet(packet); - } - else { - this.sendBuffer.push(packet); - } - this.flags = {}; - return this; - } - /** - * @private - */ - _registerAckCallback(id, ack) { - var _a; - const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout; - if (timeout === undefined) { - this.acks[id] = ack; - return; - } - // @ts-ignore - const timer = this.io.setTimeoutFn(() => { - delete this.acks[id]; - for (let i = 0; i < this.sendBuffer.length; i++) { - if (this.sendBuffer[i].id === id) { - debug("removing packet with ack id %d from the buffer", id); - this.sendBuffer.splice(i, 1); - } - } - debug("event with ack id %d has timed out after %d ms", id, timeout); - ack.call(this, new Error("operation has timed out")); - }, timeout); - this.acks[id] = (...args) => { - // @ts-ignore - this.io.clearTimeoutFn(timer); - ack.apply(this, [null, ...args]); - }; - } - /** - * Emits an event and waits for an acknowledgement - * - * @example - * // without timeout - * const response = await socket.emitWithAck("hello", "world"); - * - * // with a specific timeout - * try { - * const response = await socket.timeout(1000).emitWithAck("hello", "world"); - * } catch (err) { - * // the server did not acknowledge the event in the given delay - * } - * - * @return a Promise that will be fulfilled when the server acknowledges the event - */ - emitWithAck(ev, ...args) { - // the timeout flag is optional - const withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined; - return new Promise((resolve, reject) => { - args.push((arg1, arg2) => { - if (withErr) { - return arg1 ? reject(arg1) : resolve(arg2); - } - else { - return resolve(arg1); - } - }); - this.emit(ev, ...args); - }); - } - /** - * Add the packet to the queue. - * @param args - * @private - */ - _addToQueue(args) { - let ack; - if (typeof args[args.length - 1] === "function") { - ack = args.pop(); - } - const packet = { - id: this._queueSeq++, - tryCount: 0, - pending: false, - args, - flags: Object.assign({ fromQueue: true }, this.flags), - }; - args.push((err, ...responseArgs) => { - if (packet !== this._queue[0]) { - // the packet has already been acknowledged - return; - } - const hasError = err !== null; - if (hasError) { - if (packet.tryCount > this._opts.retries) { - debug("packet [%d] is discarded after %d tries", packet.id, packet.tryCount); - this._queue.shift(); - if (ack) { - ack(err); - } - } - } - else { - debug("packet [%d] was successfully sent", packet.id); - this._queue.shift(); - if (ack) { - ack(null, ...responseArgs); - } - } - packet.pending = false; - return this._drainQueue(); - }); - this._queue.push(packet); - this._drainQueue(); - } - /** - * Send the first packet of the queue, and wait for an acknowledgement from the server. - * @param force - whether to resend a packet that has not been acknowledged yet - * - * @private - */ - _drainQueue(force = false) { - debug("draining queue"); - if (!this.connected || this._queue.length === 0) { - return; - } - const packet = this._queue[0]; - if (packet.pending && !force) { - debug("packet [%d] has already been sent and is waiting for an ack", packet.id); - return; - } - packet.pending = true; - packet.tryCount++; - debug("sending packet [%d] (try n°%d)", packet.id, packet.tryCount); - this.flags = packet.flags; - this.emit.apply(this, packet.args); - } - /** - * Sends a packet. - * - * @param packet - * @private - */ - packet(packet) { - packet.nsp = this.nsp; - this.io._packet(packet); - } - /** - * Called upon engine `open`. - * - * @private - */ - onopen() { - debug("transport is open - connecting"); - if (typeof this.auth == "function") { - this.auth((data) => { - this._sendConnectPacket(data); - }); - } - else { - this._sendConnectPacket(this.auth); - } - } - /** - * Sends a CONNECT packet to initiate the Socket.IO session. - * - * @param data - * @private - */ - _sendConnectPacket(data) { - this.packet({ - type: PacketType.CONNECT, - data: this._pid - ? Object.assign({ pid: this._pid, offset: this._lastOffset }, data) - : data, - }); - } - /** - * Called upon engine or manager `error`. - * - * @param err - * @private - */ - onerror(err) { - if (!this.connected) { - this.emitReserved("connect_error", err); - } - } - /** - * Called upon engine `close`. - * - * @param reason - * @param description - * @private - */ - onclose(reason, description) { - debug("close (%s)", reason); - this.connected = false; - delete this.id; - this.emitReserved("disconnect", reason, description); - } - /** - * Called with socket packet. - * - * @param packet - * @private - */ - onpacket(packet) { - const sameNamespace = packet.nsp === this.nsp; - if (!sameNamespace) - return; - switch (packet.type) { - case PacketType.CONNECT: - if (packet.data && packet.data.sid) { - this.onconnect(packet.data.sid, packet.data.pid); - } - else { - this.emitReserved("connect_error", new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)")); - } - break; - case PacketType.EVENT: - case PacketType.BINARY_EVENT: - this.onevent(packet); - break; - case PacketType.ACK: - case PacketType.BINARY_ACK: - this.onack(packet); - break; - case PacketType.DISCONNECT: - this.ondisconnect(); - break; - case PacketType.CONNECT_ERROR: - this.destroy(); - const err = new Error(packet.data.message); - // @ts-ignore - err.data = packet.data.data; - this.emitReserved("connect_error", err); - break; - } - } - /** - * Called upon a server event. - * - * @param packet - * @private - */ - onevent(packet) { - const args = packet.data || []; - debug("emitting event %j", args); - if (null != packet.id) { - debug("attaching ack callback to event"); - args.push(this.ack(packet.id)); - } - if (this.connected) { - this.emitEvent(args); - } - else { - this.receiveBuffer.push(Object.freeze(args)); - } - } - emitEvent(args) { - if (this._anyListeners && this._anyListeners.length) { - const listeners = this._anyListeners.slice(); - for (const listener of listeners) { - listener.apply(this, args); - } - } - super.emit.apply(this, args); - if (this._pid && args.length && typeof args[args.length - 1] === "string") { - this._lastOffset = args[args.length - 1]; - } - } - /** - * Produces an ack callback to emit with an event. - * - * @private - */ - ack(id) { - const self = this; - let sent = false; - return function (...args) { - // prevent double callbacks - if (sent) - return; - sent = true; - debug("sending ack %j", args); - self.packet({ - type: PacketType.ACK, - id: id, - data: args, - }); - }; - } - /** - * Called upon a server acknowlegement. - * - * @param packet - * @private - */ - onack(packet) { - const ack = this.acks[packet.id]; - if ("function" === typeof ack) { - debug("calling ack %s with %j", packet.id, packet.data); - ack.apply(this, packet.data); - delete this.acks[packet.id]; - } - else { - debug("bad ack %s", packet.id); - } - } - /** - * Called upon server connect. - * - * @private - */ - onconnect(id, pid) { - debug("socket connected with id %s", id); - this.id = id; - this.recovered = pid && this._pid === pid; - this._pid = pid; // defined only if connection state recovery is enabled - this.connected = true; - this.emitBuffered(); - this.emitReserved("connect"); - this._drainQueue(true); - } - /** - * Emit buffered events (received and emitted). - * - * @private - */ - emitBuffered() { - this.receiveBuffer.forEach((args) => this.emitEvent(args)); - this.receiveBuffer = []; - this.sendBuffer.forEach((packet) => { - this.notifyOutgoingListeners(packet); - this.packet(packet); - }); - this.sendBuffer = []; - } - /** - * Called upon server disconnect. - * - * @private - */ - ondisconnect() { - debug("server disconnect (%s)", this.nsp); - this.destroy(); - this.onclose("io server disconnect"); - } - /** - * Called upon forced client/server side disconnections, - * this method ensures the manager stops tracking us and - * that reconnections don't get triggered for this. - * - * @private - */ - destroy() { - if (this.subs) { - // clean subscriptions to avoid reconnections - this.subs.forEach((subDestroy) => subDestroy()); - this.subs = undefined; - } - this.io["_destroy"](this); - } - /** - * Disconnects the socket manually. In that case, the socket will not try to reconnect. - * - * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed. - * - * @example - * const socket = io(); - * - * socket.on("disconnect", (reason) => { - * // console.log(reason); prints "io client disconnect" - * }); - * - * socket.disconnect(); - * - * @return self - */ - disconnect() { - if (this.connected) { - debug("performing disconnect (%s)", this.nsp); - this.packet({ type: PacketType.DISCONNECT }); - } - // remove socket from pool - this.destroy(); - if (this.connected) { - // fire events - this.onclose("io client disconnect"); - } - return this; - } - /** - * Alias for {@link disconnect()}. - * - * @return self - */ - close() { - return this.disconnect(); - } - /** - * Sets the compress flag. - * - * @example - * socket.compress(false).emit("hello"); - * - * @param compress - if `true`, compresses the sending data - * @return self - */ - compress(compress) { - this.flags.compress = compress; - return this; - } - /** - * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not - * ready to send messages. - * - * @example - * socket.volatile.emit("hello"); // the server may or may not receive it - * - * @returns self - */ - get volatile() { - this.flags.volatile = true; - return this; - } - /** - * Sets a modifier for a subsequent event emission that the callback will be called with an error when the - * given number of milliseconds have elapsed without an acknowledgement from the server: - * - * @example - * socket.timeout(5000).emit("my-event", (err) => { - * if (err) { - * // the server did not acknowledge the event in the given delay - * } - * }); - * - * @returns self - */ - timeout(timeout) { - this.flags.timeout = timeout; - return this; - } - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. - * - * @example - * socket.onAny((event, ...args) => { - * console.log(`got ${event}`); - * }); - * - * @param listener - */ - onAny(listener) { - this._anyListeners = this._anyListeners || []; - this._anyListeners.push(listener); - return this; - } - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. The listener is added to the beginning of the listeners array. - * - * @example - * socket.prependAny((event, ...args) => { - * console.log(`got event ${event}`); - * }); - * - * @param listener - */ - prependAny(listener) { - this._anyListeners = this._anyListeners || []; - this._anyListeners.unshift(listener); - return this; - } - /** - * Removes the listener that will be fired when any event is emitted. - * - * @example - * const catchAllListener = (event, ...args) => { - * console.log(`got event ${event}`); - * } - * - * socket.onAny(catchAllListener); - * - * // remove a specific listener - * socket.offAny(catchAllListener); - * - * // or remove all listeners - * socket.offAny(); - * - * @param listener - */ - offAny(listener) { - if (!this._anyListeners) { - return this; - } - if (listener) { - const listeners = this._anyListeners; - for (let i = 0; i < listeners.length; i++) { - if (listener === listeners[i]) { - listeners.splice(i, 1); - return this; - } - } - } - else { - this._anyListeners = []; - } - return this; - } - /** - * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, - * e.g. to remove listeners. - */ - listenersAny() { - return this._anyListeners || []; - } - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. - * - * Note: acknowledgements sent to the server are not included. - * - * @example - * socket.onAnyOutgoing((event, ...args) => { - * console.log(`sent event ${event}`); - * }); - * - * @param listener - */ - onAnyOutgoing(listener) { - this._anyOutgoingListeners = this._anyOutgoingListeners || []; - this._anyOutgoingListeners.push(listener); - return this; - } - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. The listener is added to the beginning of the listeners array. - * - * Note: acknowledgements sent to the server are not included. - * - * @example - * socket.prependAnyOutgoing((event, ...args) => { - * console.log(`sent event ${event}`); - * }); - * - * @param listener - */ - prependAnyOutgoing(listener) { - this._anyOutgoingListeners = this._anyOutgoingListeners || []; - this._anyOutgoingListeners.unshift(listener); - return this; - } - /** - * Removes the listener that will be fired when any event is emitted. - * - * @example - * const catchAllListener = (event, ...args) => { - * console.log(`sent event ${event}`); - * } - * - * socket.onAnyOutgoing(catchAllListener); - * - * // remove a specific listener - * socket.offAnyOutgoing(catchAllListener); - * - * // or remove all listeners - * socket.offAnyOutgoing(); - * - * @param [listener] - the catch-all listener (optional) - */ - offAnyOutgoing(listener) { - if (!this._anyOutgoingListeners) { - return this; - } - if (listener) { - const listeners = this._anyOutgoingListeners; - for (let i = 0; i < listeners.length; i++) { - if (listener === listeners[i]) { - listeners.splice(i, 1); - return this; - } - } - } - else { - this._anyOutgoingListeners = []; - } - return this; - } - /** - * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, - * e.g. to remove listeners. - */ - listenersAnyOutgoing() { - return this._anyOutgoingListeners || []; - } - /** - * Notify the listeners for each packet sent - * - * @param packet - * - * @private - */ - notifyOutgoingListeners(packet) { - if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) { - const listeners = this._anyOutgoingListeners.slice(); - for (const listener of listeners) { - listener.apply(this, packet.data); - } - } - } -} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/url.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/url.d.ts deleted file mode 100644 index d2d669e6..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/url.d.ts +++ /dev/null @@ -1,33 +0,0 @@ -declare type ParsedUrl = { - source: string; - protocol: string; - authority: string; - userInfo: string; - user: string; - password: string; - host: string; - port: string; - relative: string; - path: string; - directory: string; - file: string; - query: string; - anchor: string; - pathNames: Array; - queryKey: { - [key: string]: string; - }; - id: string; - href: string; -}; -/** - * URL parser. - * - * @param uri - url - * @param path - the request path of the connection - * @param loc - An object meant to mimic window.location. - * Defaults to window.location. - * @public - */ -export declare function url(uri: string | ParsedUrl, path?: string, loc?: Location): ParsedUrl; -export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/url.js b/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/url.js deleted file mode 100644 index c61ef30f..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm-debug/url.js +++ /dev/null @@ -1,63 +0,0 @@ -import { parse } from "engine.io-client"; -import debugModule from "debug"; // debug() -const debug = debugModule("socket.io-client:url"); // debug() -/** - * URL parser. - * - * @param uri - url - * @param path - the request path of the connection - * @param loc - An object meant to mimic window.location. - * Defaults to window.location. - * @public - */ -export function url(uri, path = "", loc) { - let obj = uri; - // default to window.location - loc = loc || (typeof location !== "undefined" && location); - if (null == uri) - uri = loc.protocol + "//" + loc.host; - // relative path support - if (typeof uri === "string") { - if ("/" === uri.charAt(0)) { - if ("/" === uri.charAt(1)) { - uri = loc.protocol + uri; - } - else { - uri = loc.host + uri; - } - } - if (!/^(https?|wss?):\/\//.test(uri)) { - debug("protocol-less url %s", uri); - if ("undefined" !== typeof loc) { - uri = loc.protocol + "//" + uri; - } - else { - uri = "https://" + uri; - } - } - // parse - debug("parse %s", uri); - obj = parse(uri); - } - // make sure we treat `localhost:80` and `localhost` equally - if (!obj.port) { - if (/^(http|ws)$/.test(obj.protocol)) { - obj.port = "80"; - } - else if (/^(http|ws)s$/.test(obj.protocol)) { - obj.port = "443"; - } - } - obj.path = obj.path || "/"; - const ipv6 = obj.host.indexOf(":") !== -1; - const host = ipv6 ? "[" + obj.host + "]" : obj.host; - // define unique id - obj.id = obj.protocol + "://" + host + ":" + obj.port + path; - // define href - obj.href = - obj.protocol + - "://" + - host + - (loc && loc.port === obj.port ? "" : ":" + obj.port); - return obj; -} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/browser-entrypoint.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm/browser-entrypoint.d.ts deleted file mode 100644 index 18fe370b..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm/browser-entrypoint.d.ts +++ /dev/null @@ -1,2 +0,0 @@ -import { io } from "./index.js"; -export default io; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/browser-entrypoint.js b/examples/axum-echo/node_modules/socket.io-client/build/esm/browser-entrypoint.js deleted file mode 100644 index 18fe370b..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm/browser-entrypoint.js +++ /dev/null @@ -1,2 +0,0 @@ -import { io } from "./index.js"; -export default io; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/contrib/backo2.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm/contrib/backo2.d.ts deleted file mode 100644 index 644c7351..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm/contrib/backo2.d.ts +++ /dev/null @@ -1,12 +0,0 @@ -/** - * Initialize backoff timer with `opts`. - * - * - `min` initial timeout in milliseconds [100] - * - `max` max timeout [10000] - * - `jitter` [0] - * - `factor` [2] - * - * @param {Object} opts - * @api public - */ -export declare function Backoff(opts: any): void; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/contrib/backo2.js b/examples/axum-echo/node_modules/socket.io-client/build/esm/contrib/backo2.js deleted file mode 100644 index 8f42c103..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm/contrib/backo2.js +++ /dev/null @@ -1,66 +0,0 @@ -/** - * Initialize backoff timer with `opts`. - * - * - `min` initial timeout in milliseconds [100] - * - `max` max timeout [10000] - * - `jitter` [0] - * - `factor` [2] - * - * @param {Object} opts - * @api public - */ -export function Backoff(opts) { - opts = opts || {}; - this.ms = opts.min || 100; - this.max = opts.max || 10000; - this.factor = opts.factor || 2; - this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0; - this.attempts = 0; -} -/** - * Return the backoff duration. - * - * @return {Number} - * @api public - */ -Backoff.prototype.duration = function () { - var ms = this.ms * Math.pow(this.factor, this.attempts++); - if (this.jitter) { - var rand = Math.random(); - var deviation = Math.floor(rand * this.jitter * ms); - ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation; - } - return Math.min(ms, this.max) | 0; -}; -/** - * Reset the number of attempts. - * - * @api public - */ -Backoff.prototype.reset = function () { - this.attempts = 0; -}; -/** - * Set the minimum duration - * - * @api public - */ -Backoff.prototype.setMin = function (min) { - this.ms = min; -}; -/** - * Set the maximum duration - * - * @api public - */ -Backoff.prototype.setMax = function (max) { - this.max = max; -}; -/** - * Set the jitter - * - * @api public - */ -Backoff.prototype.setJitter = function (jitter) { - this.jitter = jitter; -}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/index.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm/index.d.ts deleted file mode 100644 index adfed240..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm/index.d.ts +++ /dev/null @@ -1,28 +0,0 @@ -import { Manager, ManagerOptions } from "./manager.js"; -import { Socket, SocketOptions } from "./socket.js"; -/** - * Looks up an existing `Manager` for multiplexing. - * If the user summons: - * - * `io('http://localhost/a');` - * `io('http://localhost/b');` - * - * We reuse the existing instance based on same scheme/port/host, - * and we initialize sockets for each namespace. - * - * @public - */ -declare function lookup(opts?: Partial): Socket; -declare function lookup(uri: string, opts?: Partial): Socket; -/** - * Protocol version. - * - * @public - */ -export { protocol } from "socket.io-parser"; -/** - * Expose constructors for standalone build. - * - * @public - */ -export { Manager, ManagerOptions, Socket, SocketOptions, lookup as io, lookup as connect, lookup as default, }; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/index.js b/examples/axum-echo/node_modules/socket.io-client/build/esm/index.js deleted file mode 100644 index 647ec300..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm/index.js +++ /dev/null @@ -1,57 +0,0 @@ -import { url } from "./url.js"; -import { Manager } from "./manager.js"; -import { Socket } from "./socket.js"; -/** - * Managers cache. - */ -const cache = {}; -function lookup(uri, opts) { - if (typeof uri === "object") { - opts = uri; - uri = undefined; - } - opts = opts || {}; - const parsed = url(uri, opts.path || "/socket.io"); - const source = parsed.source; - const id = parsed.id; - const path = parsed.path; - const sameNamespace = cache[id] && path in cache[id]["nsps"]; - const newConnection = opts.forceNew || - opts["force new connection"] || - false === opts.multiplex || - sameNamespace; - let io; - if (newConnection) { - io = new Manager(source, opts); - } - else { - if (!cache[id]) { - cache[id] = new Manager(source, opts); - } - io = cache[id]; - } - if (parsed.query && !opts.query) { - opts.query = parsed.queryKey; - } - return io.socket(parsed.path, opts); -} -// so that "lookup" can be used both as a function (e.g. `io(...)`) and as a -// namespace (e.g. `io.connect(...)`), for backward compatibility -Object.assign(lookup, { - Manager, - Socket, - io: lookup, - connect: lookup, -}); -/** - * Protocol version. - * - * @public - */ -export { protocol } from "socket.io-parser"; -/** - * Expose constructors for standalone build. - * - * @public - */ -export { Manager, Socket, lookup as io, lookup as connect, lookup as default, }; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/manager.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm/manager.d.ts deleted file mode 100644 index cb5dbb1e..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm/manager.d.ts +++ /dev/null @@ -1,291 +0,0 @@ -import { Socket as Engine, SocketOptions as EngineOptions } from "engine.io-client"; -import { Socket, SocketOptions, DisconnectDescription } from "./socket.js"; -import { Packet } from "socket.io-parser"; -import { DefaultEventsMap, EventsMap, Emitter } from "@socket.io/component-emitter"; -export interface ManagerOptions extends EngineOptions { - /** - * Should we force a new Manager for this connection? - * @default false - */ - forceNew: boolean; - /** - * Should we multiplex our connection (reuse existing Manager) ? - * @default true - */ - multiplex: boolean; - /** - * The path to get our client file from, in the case of the server - * serving it - * @default '/socket.io' - */ - path: string; - /** - * Should we allow reconnections? - * @default true - */ - reconnection: boolean; - /** - * How many reconnection attempts should we try? - * @default Infinity - */ - reconnectionAttempts: number; - /** - * The time delay in milliseconds between reconnection attempts - * @default 1000 - */ - reconnectionDelay: number; - /** - * The max time delay in milliseconds between reconnection attempts - * @default 5000 - */ - reconnectionDelayMax: number; - /** - * Used in the exponential backoff jitter when reconnecting - * @default 0.5 - */ - randomizationFactor: number; - /** - * The timeout in milliseconds for our connection attempt - * @default 20000 - */ - timeout: number; - /** - * Should we automatically connect? - * @default true - */ - autoConnect: boolean; - /** - * the parser to use. Defaults to an instance of the Parser that ships with socket.io. - */ - parser: any; -} -interface ManagerReservedEvents { - open: () => void; - error: (err: Error) => void; - ping: () => void; - packet: (packet: Packet) => void; - close: (reason: string, description?: DisconnectDescription) => void; - reconnect_failed: () => void; - reconnect_attempt: (attempt: number) => void; - reconnect_error: (err: Error) => void; - reconnect: (attempt: number) => void; -} -export declare class Manager extends Emitter<{}, {}, ManagerReservedEvents> { - /** - * The Engine.IO client instance - * - * @public - */ - engine: Engine; - /** - * @private - */ - _autoConnect: boolean; - /** - * @private - */ - _readyState: "opening" | "open" | "closed"; - /** - * @private - */ - _reconnecting: boolean; - private readonly uri; - opts: Partial; - private nsps; - private subs; - private backoff; - private setTimeoutFn; - private clearTimeoutFn; - private _reconnection; - private _reconnectionAttempts; - private _reconnectionDelay; - private _randomizationFactor; - private _reconnectionDelayMax; - private _timeout; - private encoder; - private decoder; - private skipReconnect; - /** - * `Manager` constructor. - * - * @param uri - engine instance or engine uri/opts - * @param opts - options - * @public - */ - constructor(opts: Partial); - constructor(uri?: string, opts?: Partial); - constructor(uri?: string | Partial, opts?: Partial); - /** - * Sets the `reconnection` config. - * - * @param {Boolean} v - true/false if it should automatically reconnect - * @return {Manager} self or value - * @public - */ - reconnection(v: boolean): this; - reconnection(): boolean; - reconnection(v?: boolean): this | boolean; - /** - * Sets the reconnection attempts config. - * - * @param {Number} v - max reconnection attempts before giving up - * @return {Manager} self or value - * @public - */ - reconnectionAttempts(v: number): this; - reconnectionAttempts(): number; - reconnectionAttempts(v?: number): this | number; - /** - * Sets the delay between reconnections. - * - * @param {Number} v - delay - * @return {Manager} self or value - * @public - */ - reconnectionDelay(v: number): this; - reconnectionDelay(): number; - reconnectionDelay(v?: number): this | number; - /** - * Sets the randomization factor - * - * @param v - the randomization factor - * @return self or value - * @public - */ - randomizationFactor(v: number): this; - randomizationFactor(): number; - randomizationFactor(v?: number): this | number; - /** - * Sets the maximum delay between reconnections. - * - * @param v - delay - * @return self or value - * @public - */ - reconnectionDelayMax(v: number): this; - reconnectionDelayMax(): number; - reconnectionDelayMax(v?: number): this | number; - /** - * Sets the connection timeout. `false` to disable - * - * @param v - connection timeout - * @return self or value - * @public - */ - timeout(v: number | boolean): this; - timeout(): number | boolean; - timeout(v?: number | boolean): this | number | boolean; - /** - * Starts trying to reconnect if reconnection is enabled and we have not - * started reconnecting yet - * - * @private - */ - private maybeReconnectOnOpen; - /** - * Sets the current transport `socket`. - * - * @param {Function} fn - optional, callback - * @return self - * @public - */ - open(fn?: (err?: Error) => void): this; - /** - * Alias for open() - * - * @return self - * @public - */ - connect(fn?: (err?: Error) => void): this; - /** - * Called upon transport open. - * - * @private - */ - private onopen; - /** - * Called upon a ping. - * - * @private - */ - private onping; - /** - * Called with data. - * - * @private - */ - private ondata; - /** - * Called when parser fully decodes a packet. - * - * @private - */ - private ondecoded; - /** - * Called upon socket error. - * - * @private - */ - private onerror; - /** - * Creates a new socket for the given `nsp`. - * - * @return {Socket} - * @public - */ - socket(nsp: string, opts?: Partial): Socket; - /** - * Called upon a socket close. - * - * @param socket - * @private - */ - _destroy(socket: Socket): void; - /** - * Writes a packet. - * - * @param packet - * @private - */ - _packet(packet: Partial): void; - /** - * Clean up transport subscriptions and packet buffer. - * - * @private - */ - private cleanup; - /** - * Close the current socket. - * - * @private - */ - _close(): void; - /** - * Alias for close() - * - * @private - */ - private disconnect; - /** - * Called upon engine close. - * - * @private - */ - private onclose; - /** - * Attempt a reconnection. - * - * @private - */ - private reconnect; - /** - * Called upon successful reconnect. - * - * @private - */ - private onreconnect; -} -export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/manager.js b/examples/axum-echo/node_modules/socket.io-client/build/esm/manager.js deleted file mode 100644 index 651cb50a..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm/manager.js +++ /dev/null @@ -1,358 +0,0 @@ -import { Socket as Engine, installTimerFunctions, nextTick, } from "engine.io-client"; -import { Socket } from "./socket.js"; -import * as parser from "socket.io-parser"; -import { on } from "./on.js"; -import { Backoff } from "./contrib/backo2.js"; -import { Emitter, } from "@socket.io/component-emitter"; -export class Manager extends Emitter { - constructor(uri, opts) { - var _a; - super(); - this.nsps = {}; - this.subs = []; - if (uri && "object" === typeof uri) { - opts = uri; - uri = undefined; - } - opts = opts || {}; - opts.path = opts.path || "/socket.io"; - this.opts = opts; - installTimerFunctions(this, opts); - this.reconnection(opts.reconnection !== false); - this.reconnectionAttempts(opts.reconnectionAttempts || Infinity); - this.reconnectionDelay(opts.reconnectionDelay || 1000); - this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000); - this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5); - this.backoff = new Backoff({ - min: this.reconnectionDelay(), - max: this.reconnectionDelayMax(), - jitter: this.randomizationFactor(), - }); - this.timeout(null == opts.timeout ? 20000 : opts.timeout); - this._readyState = "closed"; - this.uri = uri; - const _parser = opts.parser || parser; - this.encoder = new _parser.Encoder(); - this.decoder = new _parser.Decoder(); - this._autoConnect = opts.autoConnect !== false; - if (this._autoConnect) - this.open(); - } - reconnection(v) { - if (!arguments.length) - return this._reconnection; - this._reconnection = !!v; - return this; - } - reconnectionAttempts(v) { - if (v === undefined) - return this._reconnectionAttempts; - this._reconnectionAttempts = v; - return this; - } - reconnectionDelay(v) { - var _a; - if (v === undefined) - return this._reconnectionDelay; - this._reconnectionDelay = v; - (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v); - return this; - } - randomizationFactor(v) { - var _a; - if (v === undefined) - return this._randomizationFactor; - this._randomizationFactor = v; - (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v); - return this; - } - reconnectionDelayMax(v) { - var _a; - if (v === undefined) - return this._reconnectionDelayMax; - this._reconnectionDelayMax = v; - (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v); - return this; - } - timeout(v) { - if (!arguments.length) - return this._timeout; - this._timeout = v; - return this; - } - /** - * Starts trying to reconnect if reconnection is enabled and we have not - * started reconnecting yet - * - * @private - */ - maybeReconnectOnOpen() { - // Only try to reconnect if it's the first time we're connecting - if (!this._reconnecting && - this._reconnection && - this.backoff.attempts === 0) { - // keeps reconnection from firing twice for the same reconnection loop - this.reconnect(); - } - } - /** - * Sets the current transport `socket`. - * - * @param {Function} fn - optional, callback - * @return self - * @public - */ - open(fn) { - if (~this._readyState.indexOf("open")) - return this; - this.engine = new Engine(this.uri, this.opts); - const socket = this.engine; - const self = this; - this._readyState = "opening"; - this.skipReconnect = false; - // emit `open` - const openSubDestroy = on(socket, "open", function () { - self.onopen(); - fn && fn(); - }); - const onError = (err) => { - this.cleanup(); - this._readyState = "closed"; - this.emitReserved("error", err); - if (fn) { - fn(err); - } - else { - // Only do this if there is no fn to handle the error - this.maybeReconnectOnOpen(); - } - }; - // emit `error` - const errorSub = on(socket, "error", onError); - if (false !== this._timeout) { - const timeout = this._timeout; - // set timer - const timer = this.setTimeoutFn(() => { - openSubDestroy(); - onError(new Error("timeout")); - socket.close(); - }, timeout); - if (this.opts.autoUnref) { - timer.unref(); - } - this.subs.push(() => { - this.clearTimeoutFn(timer); - }); - } - this.subs.push(openSubDestroy); - this.subs.push(errorSub); - return this; - } - /** - * Alias for open() - * - * @return self - * @public - */ - connect(fn) { - return this.open(fn); - } - /** - * Called upon transport open. - * - * @private - */ - onopen() { - // clear old subs - this.cleanup(); - // mark as open - this._readyState = "open"; - this.emitReserved("open"); - // add new subs - const socket = this.engine; - this.subs.push(on(socket, "ping", this.onping.bind(this)), on(socket, "data", this.ondata.bind(this)), on(socket, "error", this.onerror.bind(this)), on(socket, "close", this.onclose.bind(this)), on(this.decoder, "decoded", this.ondecoded.bind(this))); - } - /** - * Called upon a ping. - * - * @private - */ - onping() { - this.emitReserved("ping"); - } - /** - * Called with data. - * - * @private - */ - ondata(data) { - try { - this.decoder.add(data); - } - catch (e) { - this.onclose("parse error", e); - } - } - /** - * Called when parser fully decodes a packet. - * - * @private - */ - ondecoded(packet) { - // the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a "parse error" - nextTick(() => { - this.emitReserved("packet", packet); - }, this.setTimeoutFn); - } - /** - * Called upon socket error. - * - * @private - */ - onerror(err) { - this.emitReserved("error", err); - } - /** - * Creates a new socket for the given `nsp`. - * - * @return {Socket} - * @public - */ - socket(nsp, opts) { - let socket = this.nsps[nsp]; - if (!socket) { - socket = new Socket(this, nsp, opts); - this.nsps[nsp] = socket; - } - else if (this._autoConnect && !socket.active) { - socket.connect(); - } - return socket; - } - /** - * Called upon a socket close. - * - * @param socket - * @private - */ - _destroy(socket) { - const nsps = Object.keys(this.nsps); - for (const nsp of nsps) { - const socket = this.nsps[nsp]; - if (socket.active) { - return; - } - } - this._close(); - } - /** - * Writes a packet. - * - * @param packet - * @private - */ - _packet(packet) { - const encodedPackets = this.encoder.encode(packet); - for (let i = 0; i < encodedPackets.length; i++) { - this.engine.write(encodedPackets[i], packet.options); - } - } - /** - * Clean up transport subscriptions and packet buffer. - * - * @private - */ - cleanup() { - this.subs.forEach((subDestroy) => subDestroy()); - this.subs.length = 0; - this.decoder.destroy(); - } - /** - * Close the current socket. - * - * @private - */ - _close() { - this.skipReconnect = true; - this._reconnecting = false; - this.onclose("forced close"); - if (this.engine) - this.engine.close(); - } - /** - * Alias for close() - * - * @private - */ - disconnect() { - return this._close(); - } - /** - * Called upon engine close. - * - * @private - */ - onclose(reason, description) { - this.cleanup(); - this.backoff.reset(); - this._readyState = "closed"; - this.emitReserved("close", reason, description); - if (this._reconnection && !this.skipReconnect) { - this.reconnect(); - } - } - /** - * Attempt a reconnection. - * - * @private - */ - reconnect() { - if (this._reconnecting || this.skipReconnect) - return this; - const self = this; - if (this.backoff.attempts >= this._reconnectionAttempts) { - this.backoff.reset(); - this.emitReserved("reconnect_failed"); - this._reconnecting = false; - } - else { - const delay = this.backoff.duration(); - this._reconnecting = true; - const timer = this.setTimeoutFn(() => { - if (self.skipReconnect) - return; - this.emitReserved("reconnect_attempt", self.backoff.attempts); - // check again for the case socket closed in above events - if (self.skipReconnect) - return; - self.open((err) => { - if (err) { - self._reconnecting = false; - self.reconnect(); - this.emitReserved("reconnect_error", err); - } - else { - self.onreconnect(); - } - }); - }, delay); - if (this.opts.autoUnref) { - timer.unref(); - } - this.subs.push(() => { - this.clearTimeoutFn(timer); - }); - } - } - /** - * Called upon successful reconnect. - * - * @private - */ - onreconnect() { - const attempt = this.backoff.attempts; - this._reconnecting = false; - this.backoff.reset(); - this.emitReserved("reconnect", attempt); - } -} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/on.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm/on.d.ts deleted file mode 100644 index 41796347..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm/on.d.ts +++ /dev/null @@ -1,2 +0,0 @@ -import { Emitter } from "@socket.io/component-emitter"; -export declare function on(obj: Emitter, ev: string, fn: (err?: any) => any): VoidFunction; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/on.js b/examples/axum-echo/node_modules/socket.io-client/build/esm/on.js deleted file mode 100644 index dfe093a7..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm/on.js +++ /dev/null @@ -1,6 +0,0 @@ -export function on(obj, ev, fn) { - obj.on(ev, fn); - return function subDestroy() { - obj.off(ev, fn); - }; -} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/package.json b/examples/axum-echo/node_modules/socket.io-client/build/esm/package.json deleted file mode 100644 index 719193cc..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm/package.json +++ /dev/null @@ -1,4 +0,0 @@ -{ - "name": "socket.io-client", - "type": "module" -} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/socket.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm/socket.d.ts deleted file mode 100644 index b6137857..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm/socket.d.ts +++ /dev/null @@ -1,563 +0,0 @@ -import { Packet } from "socket.io-parser"; -import { Manager } from "./manager.js"; -import { DefaultEventsMap, EventNames, EventParams, EventsMap, Emitter } from "@socket.io/component-emitter"; -declare type PrependTimeoutError = { - [K in keyof T]: T[K] extends (...args: infer Params) => infer Result ? (err: Error, ...args: Params) => Result : T[K]; -}; -/** - * Utility type to decorate the acknowledgement callbacks with a timeout error. - * - * This is needed because the timeout() flag breaks the symmetry between the sender and the receiver: - * - * @example - * interface Events { - * "my-event": (val: string) => void; - * } - * - * socket.on("my-event", (cb) => { - * cb("123"); // one single argument here - * }); - * - * socket.timeout(1000).emit("my-event", (err, val) => { - * // two arguments there (the "err" argument is not properly typed) - * }); - * - */ -export declare type DecorateAcknowledgements = { - [K in keyof E]: E[K] extends (...args: infer Params) => infer Result ? (...args: PrependTimeoutError) => Result : E[K]; -}; -export declare type Last = T extends [...infer H, infer L] ? L : any; -export declare type AllButLast = T extends [...infer H, infer L] ? H : any[]; -export declare type FirstArg = T extends (arg: infer Param) => infer Result ? Param : any; -export interface SocketOptions { - /** - * the authentication payload sent when connecting to the Namespace - */ - auth?: { - [key: string]: any; - } | ((cb: (data: object) => void) => void); - /** - * The maximum number of retries. Above the limit, the packet will be discarded. - * - * Using `Infinity` means the delivery guarantee is "at-least-once" (instead of "at-most-once" by default), but a - * smaller value like 10 should be sufficient in practice. - */ - retries?: number; - /** - * The default timeout in milliseconds used when waiting for an acknowledgement. - */ - ackTimeout?: number; -} -export declare type DisconnectDescription = Error | { - description: string; - context?: unknown; -}; -interface SocketReservedEvents { - connect: () => void; - connect_error: (err: Error) => void; - disconnect: (reason: Socket.DisconnectReason, description?: DisconnectDescription) => void; -} -/** - * A Socket is the fundamental class for interacting with the server. - * - * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate. - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log("connected"); - * }); - * - * // send an event to the server - * socket.emit("foo", "bar"); - * - * socket.on("foobar", () => { - * // an event was received from the server - * }); - * - * // upon disconnection - * socket.on("disconnect", (reason) => { - * console.log(`disconnected due to ${reason}`); - * }); - */ -export declare class Socket extends Emitter { - readonly io: Manager; - /** - * A unique identifier for the session. `undefined` when the socket is not connected. - * - * @example - * const socket = io(); - * - * console.log(socket.id); // undefined - * - * socket.on("connect", () => { - * console.log(socket.id); // "G5p5..." - * }); - */ - id: string | undefined; - /** - * The session ID used for connection state recovery, which must not be shared (unlike {@link id}). - * - * @private - */ - private _pid; - /** - * The offset of the last received packet, which will be sent upon reconnection to allow for the recovery of the connection state. - * - * @private - */ - private _lastOffset; - /** - * Whether the socket is currently connected to the server. - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log(socket.connected); // true - * }); - * - * socket.on("disconnect", () => { - * console.log(socket.connected); // false - * }); - */ - connected: boolean; - /** - * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will - * be transmitted by the server. - */ - recovered: boolean; - /** - * Credentials that are sent when accessing a namespace. - * - * @example - * const socket = io({ - * auth: { - * token: "abcd" - * } - * }); - * - * // or with a function - * const socket = io({ - * auth: (cb) => { - * cb({ token: localStorage.token }) - * } - * }); - */ - auth: { - [key: string]: any; - } | ((cb: (data: object) => void) => void); - /** - * Buffer for packets received before the CONNECT packet - */ - receiveBuffer: Array>; - /** - * Buffer for packets that will be sent once the socket is connected - */ - sendBuffer: Array; - /** - * The queue of packets to be sent with retry in case of failure. - * - * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order. - * @private - */ - private _queue; - /** - * A sequence to generate the ID of the {@link QueuedPacket}. - * @private - */ - private _queueSeq; - private readonly nsp; - private readonly _opts; - private ids; - private acks; - private flags; - private subs?; - private _anyListeners; - private _anyOutgoingListeners; - /** - * `Socket` constructor. - */ - constructor(io: Manager, nsp: string, opts?: Partial); - /** - * Whether the socket is currently disconnected - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log(socket.disconnected); // false - * }); - * - * socket.on("disconnect", () => { - * console.log(socket.disconnected); // true - * }); - */ - get disconnected(): boolean; - /** - * Subscribe to open, close and packet events - * - * @private - */ - private subEvents; - /** - * Whether the Socket will try to reconnect when its Manager connects or reconnects. - * - * @example - * const socket = io(); - * - * console.log(socket.active); // true - * - * socket.on("disconnect", (reason) => { - * if (reason === "io server disconnect") { - * // the disconnection was initiated by the server, you need to manually reconnect - * console.log(socket.active); // false - * } - * // else the socket will automatically try to reconnect - * console.log(socket.active); // true - * }); - */ - get active(): boolean; - /** - * "Opens" the socket. - * - * @example - * const socket = io({ - * autoConnect: false - * }); - * - * socket.connect(); - */ - connect(): this; - /** - * Alias for {@link connect()}. - */ - open(): this; - /** - * Sends a `message` event. - * - * This method mimics the WebSocket.send() method. - * - * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send - * - * @example - * socket.send("hello"); - * - * // this is equivalent to - * socket.emit("message", "hello"); - * - * @return self - */ - send(...args: any[]): this; - /** - * Override `emit`. - * If the event is in `events`, it's emitted normally. - * - * @example - * socket.emit("hello", "world"); - * - * // all serializable datastructures are supported (no need to call JSON.stringify) - * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) }); - * - * // with an acknowledgement from the server - * socket.emit("hello", "world", (val) => { - * // ... - * }); - * - * @return self - */ - emit>(ev: Ev, ...args: EventParams): this; - /** - * @private - */ - private _registerAckCallback; - /** - * Emits an event and waits for an acknowledgement - * - * @example - * // without timeout - * const response = await socket.emitWithAck("hello", "world"); - * - * // with a specific timeout - * try { - * const response = await socket.timeout(1000).emitWithAck("hello", "world"); - * } catch (err) { - * // the server did not acknowledge the event in the given delay - * } - * - * @return a Promise that will be fulfilled when the server acknowledges the event - */ - emitWithAck>(ev: Ev, ...args: AllButLast>): Promise>>>; - /** - * Add the packet to the queue. - * @param args - * @private - */ - private _addToQueue; - /** - * Send the first packet of the queue, and wait for an acknowledgement from the server. - * @param force - whether to resend a packet that has not been acknowledged yet - * - * @private - */ - private _drainQueue; - /** - * Sends a packet. - * - * @param packet - * @private - */ - private packet; - /** - * Called upon engine `open`. - * - * @private - */ - private onopen; - /** - * Sends a CONNECT packet to initiate the Socket.IO session. - * - * @param data - * @private - */ - private _sendConnectPacket; - /** - * Called upon engine or manager `error`. - * - * @param err - * @private - */ - private onerror; - /** - * Called upon engine `close`. - * - * @param reason - * @param description - * @private - */ - private onclose; - /** - * Called with socket packet. - * - * @param packet - * @private - */ - private onpacket; - /** - * Called upon a server event. - * - * @param packet - * @private - */ - private onevent; - private emitEvent; - /** - * Produces an ack callback to emit with an event. - * - * @private - */ - private ack; - /** - * Called upon a server acknowlegement. - * - * @param packet - * @private - */ - private onack; - /** - * Called upon server connect. - * - * @private - */ - private onconnect; - /** - * Emit buffered events (received and emitted). - * - * @private - */ - private emitBuffered; - /** - * Called upon server disconnect. - * - * @private - */ - private ondisconnect; - /** - * Called upon forced client/server side disconnections, - * this method ensures the manager stops tracking us and - * that reconnections don't get triggered for this. - * - * @private - */ - private destroy; - /** - * Disconnects the socket manually. In that case, the socket will not try to reconnect. - * - * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed. - * - * @example - * const socket = io(); - * - * socket.on("disconnect", (reason) => { - * // console.log(reason); prints "io client disconnect" - * }); - * - * socket.disconnect(); - * - * @return self - */ - disconnect(): this; - /** - * Alias for {@link disconnect()}. - * - * @return self - */ - close(): this; - /** - * Sets the compress flag. - * - * @example - * socket.compress(false).emit("hello"); - * - * @param compress - if `true`, compresses the sending data - * @return self - */ - compress(compress: boolean): this; - /** - * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not - * ready to send messages. - * - * @example - * socket.volatile.emit("hello"); // the server may or may not receive it - * - * @returns self - */ - get volatile(): this; - /** - * Sets a modifier for a subsequent event emission that the callback will be called with an error when the - * given number of milliseconds have elapsed without an acknowledgement from the server: - * - * @example - * socket.timeout(5000).emit("my-event", (err) => { - * if (err) { - * // the server did not acknowledge the event in the given delay - * } - * }); - * - * @returns self - */ - timeout(timeout: number): Socket>; - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. - * - * @example - * socket.onAny((event, ...args) => { - * console.log(`got ${event}`); - * }); - * - * @param listener - */ - onAny(listener: (...args: any[]) => void): this; - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. The listener is added to the beginning of the listeners array. - * - * @example - * socket.prependAny((event, ...args) => { - * console.log(`got event ${event}`); - * }); - * - * @param listener - */ - prependAny(listener: (...args: any[]) => void): this; - /** - * Removes the listener that will be fired when any event is emitted. - * - * @example - * const catchAllListener = (event, ...args) => { - * console.log(`got event ${event}`); - * } - * - * socket.onAny(catchAllListener); - * - * // remove a specific listener - * socket.offAny(catchAllListener); - * - * // or remove all listeners - * socket.offAny(); - * - * @param listener - */ - offAny(listener?: (...args: any[]) => void): this; - /** - * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, - * e.g. to remove listeners. - */ - listenersAny(): ((...args: any[]) => void)[]; - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. - * - * Note: acknowledgements sent to the server are not included. - * - * @example - * socket.onAnyOutgoing((event, ...args) => { - * console.log(`sent event ${event}`); - * }); - * - * @param listener - */ - onAnyOutgoing(listener: (...args: any[]) => void): this; - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. The listener is added to the beginning of the listeners array. - * - * Note: acknowledgements sent to the server are not included. - * - * @example - * socket.prependAnyOutgoing((event, ...args) => { - * console.log(`sent event ${event}`); - * }); - * - * @param listener - */ - prependAnyOutgoing(listener: (...args: any[]) => void): this; - /** - * Removes the listener that will be fired when any event is emitted. - * - * @example - * const catchAllListener = (event, ...args) => { - * console.log(`sent event ${event}`); - * } - * - * socket.onAnyOutgoing(catchAllListener); - * - * // remove a specific listener - * socket.offAnyOutgoing(catchAllListener); - * - * // or remove all listeners - * socket.offAnyOutgoing(); - * - * @param [listener] - the catch-all listener (optional) - */ - offAnyOutgoing(listener?: (...args: any[]) => void): this; - /** - * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, - * e.g. to remove listeners. - */ - listenersAnyOutgoing(): ((...args: any[]) => void)[]; - /** - * Notify the listeners for each packet sent - * - * @param packet - * - * @private - */ - private notifyOutgoingListeners; -} -export declare namespace Socket { - type DisconnectReason = "io server disconnect" | "io client disconnect" | "ping timeout" | "transport close" | "transport error" | "parse error"; -} -export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/socket.js b/examples/axum-echo/node_modules/socket.io-client/build/esm/socket.js deleted file mode 100644 index 90584fa4..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm/socket.js +++ /dev/null @@ -1,838 +0,0 @@ -import { PacketType } from "socket.io-parser"; -import { on } from "./on.js"; -import { Emitter, } from "@socket.io/component-emitter"; -/** - * Internal events. - * These events can't be emitted by the user. - */ -const RESERVED_EVENTS = Object.freeze({ - connect: 1, - connect_error: 1, - disconnect: 1, - disconnecting: 1, - // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener - newListener: 1, - removeListener: 1, -}); -/** - * A Socket is the fundamental class for interacting with the server. - * - * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate. - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log("connected"); - * }); - * - * // send an event to the server - * socket.emit("foo", "bar"); - * - * socket.on("foobar", () => { - * // an event was received from the server - * }); - * - * // upon disconnection - * socket.on("disconnect", (reason) => { - * console.log(`disconnected due to ${reason}`); - * }); - */ -export class Socket extends Emitter { - /** - * `Socket` constructor. - */ - constructor(io, nsp, opts) { - super(); - /** - * Whether the socket is currently connected to the server. - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log(socket.connected); // true - * }); - * - * socket.on("disconnect", () => { - * console.log(socket.connected); // false - * }); - */ - this.connected = false; - /** - * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will - * be transmitted by the server. - */ - this.recovered = false; - /** - * Buffer for packets received before the CONNECT packet - */ - this.receiveBuffer = []; - /** - * Buffer for packets that will be sent once the socket is connected - */ - this.sendBuffer = []; - /** - * The queue of packets to be sent with retry in case of failure. - * - * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order. - * @private - */ - this._queue = []; - /** - * A sequence to generate the ID of the {@link QueuedPacket}. - * @private - */ - this._queueSeq = 0; - this.ids = 0; - this.acks = {}; - this.flags = {}; - this.io = io; - this.nsp = nsp; - if (opts && opts.auth) { - this.auth = opts.auth; - } - this._opts = Object.assign({}, opts); - if (this.io._autoConnect) - this.open(); - } - /** - * Whether the socket is currently disconnected - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log(socket.disconnected); // false - * }); - * - * socket.on("disconnect", () => { - * console.log(socket.disconnected); // true - * }); - */ - get disconnected() { - return !this.connected; - } - /** - * Subscribe to open, close and packet events - * - * @private - */ - subEvents() { - if (this.subs) - return; - const io = this.io; - this.subs = [ - on(io, "open", this.onopen.bind(this)), - on(io, "packet", this.onpacket.bind(this)), - on(io, "error", this.onerror.bind(this)), - on(io, "close", this.onclose.bind(this)), - ]; - } - /** - * Whether the Socket will try to reconnect when its Manager connects or reconnects. - * - * @example - * const socket = io(); - * - * console.log(socket.active); // true - * - * socket.on("disconnect", (reason) => { - * if (reason === "io server disconnect") { - * // the disconnection was initiated by the server, you need to manually reconnect - * console.log(socket.active); // false - * } - * // else the socket will automatically try to reconnect - * console.log(socket.active); // true - * }); - */ - get active() { - return !!this.subs; - } - /** - * "Opens" the socket. - * - * @example - * const socket = io({ - * autoConnect: false - * }); - * - * socket.connect(); - */ - connect() { - if (this.connected) - return this; - this.subEvents(); - if (!this.io["_reconnecting"]) - this.io.open(); // ensure open - if ("open" === this.io._readyState) - this.onopen(); - return this; - } - /** - * Alias for {@link connect()}. - */ - open() { - return this.connect(); - } - /** - * Sends a `message` event. - * - * This method mimics the WebSocket.send() method. - * - * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send - * - * @example - * socket.send("hello"); - * - * // this is equivalent to - * socket.emit("message", "hello"); - * - * @return self - */ - send(...args) { - args.unshift("message"); - this.emit.apply(this, args); - return this; - } - /** - * Override `emit`. - * If the event is in `events`, it's emitted normally. - * - * @example - * socket.emit("hello", "world"); - * - * // all serializable datastructures are supported (no need to call JSON.stringify) - * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) }); - * - * // with an acknowledgement from the server - * socket.emit("hello", "world", (val) => { - * // ... - * }); - * - * @return self - */ - emit(ev, ...args) { - if (RESERVED_EVENTS.hasOwnProperty(ev)) { - throw new Error('"' + ev.toString() + '" is a reserved event name'); - } - args.unshift(ev); - if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) { - this._addToQueue(args); - return this; - } - const packet = { - type: PacketType.EVENT, - data: args, - }; - packet.options = {}; - packet.options.compress = this.flags.compress !== false; - // event ack callback - if ("function" === typeof args[args.length - 1]) { - const id = this.ids++; - const ack = args.pop(); - this._registerAckCallback(id, ack); - packet.id = id; - } - const isTransportWritable = this.io.engine && - this.io.engine.transport && - this.io.engine.transport.writable; - const discardPacket = this.flags.volatile && (!isTransportWritable || !this.connected); - if (discardPacket) { - } - else if (this.connected) { - this.notifyOutgoingListeners(packet); - this.packet(packet); - } - else { - this.sendBuffer.push(packet); - } - this.flags = {}; - return this; - } - /** - * @private - */ - _registerAckCallback(id, ack) { - var _a; - const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout; - if (timeout === undefined) { - this.acks[id] = ack; - return; - } - // @ts-ignore - const timer = this.io.setTimeoutFn(() => { - delete this.acks[id]; - for (let i = 0; i < this.sendBuffer.length; i++) { - if (this.sendBuffer[i].id === id) { - this.sendBuffer.splice(i, 1); - } - } - ack.call(this, new Error("operation has timed out")); - }, timeout); - this.acks[id] = (...args) => { - // @ts-ignore - this.io.clearTimeoutFn(timer); - ack.apply(this, [null, ...args]); - }; - } - /** - * Emits an event and waits for an acknowledgement - * - * @example - * // without timeout - * const response = await socket.emitWithAck("hello", "world"); - * - * // with a specific timeout - * try { - * const response = await socket.timeout(1000).emitWithAck("hello", "world"); - * } catch (err) { - * // the server did not acknowledge the event in the given delay - * } - * - * @return a Promise that will be fulfilled when the server acknowledges the event - */ - emitWithAck(ev, ...args) { - // the timeout flag is optional - const withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined; - return new Promise((resolve, reject) => { - args.push((arg1, arg2) => { - if (withErr) { - return arg1 ? reject(arg1) : resolve(arg2); - } - else { - return resolve(arg1); - } - }); - this.emit(ev, ...args); - }); - } - /** - * Add the packet to the queue. - * @param args - * @private - */ - _addToQueue(args) { - let ack; - if (typeof args[args.length - 1] === "function") { - ack = args.pop(); - } - const packet = { - id: this._queueSeq++, - tryCount: 0, - pending: false, - args, - flags: Object.assign({ fromQueue: true }, this.flags), - }; - args.push((err, ...responseArgs) => { - if (packet !== this._queue[0]) { - // the packet has already been acknowledged - return; - } - const hasError = err !== null; - if (hasError) { - if (packet.tryCount > this._opts.retries) { - this._queue.shift(); - if (ack) { - ack(err); - } - } - } - else { - this._queue.shift(); - if (ack) { - ack(null, ...responseArgs); - } - } - packet.pending = false; - return this._drainQueue(); - }); - this._queue.push(packet); - this._drainQueue(); - } - /** - * Send the first packet of the queue, and wait for an acknowledgement from the server. - * @param force - whether to resend a packet that has not been acknowledged yet - * - * @private - */ - _drainQueue(force = false) { - if (!this.connected || this._queue.length === 0) { - return; - } - const packet = this._queue[0]; - if (packet.pending && !force) { - return; - } - packet.pending = true; - packet.tryCount++; - this.flags = packet.flags; - this.emit.apply(this, packet.args); - } - /** - * Sends a packet. - * - * @param packet - * @private - */ - packet(packet) { - packet.nsp = this.nsp; - this.io._packet(packet); - } - /** - * Called upon engine `open`. - * - * @private - */ - onopen() { - if (typeof this.auth == "function") { - this.auth((data) => { - this._sendConnectPacket(data); - }); - } - else { - this._sendConnectPacket(this.auth); - } - } - /** - * Sends a CONNECT packet to initiate the Socket.IO session. - * - * @param data - * @private - */ - _sendConnectPacket(data) { - this.packet({ - type: PacketType.CONNECT, - data: this._pid - ? Object.assign({ pid: this._pid, offset: this._lastOffset }, data) - : data, - }); - } - /** - * Called upon engine or manager `error`. - * - * @param err - * @private - */ - onerror(err) { - if (!this.connected) { - this.emitReserved("connect_error", err); - } - } - /** - * Called upon engine `close`. - * - * @param reason - * @param description - * @private - */ - onclose(reason, description) { - this.connected = false; - delete this.id; - this.emitReserved("disconnect", reason, description); - } - /** - * Called with socket packet. - * - * @param packet - * @private - */ - onpacket(packet) { - const sameNamespace = packet.nsp === this.nsp; - if (!sameNamespace) - return; - switch (packet.type) { - case PacketType.CONNECT: - if (packet.data && packet.data.sid) { - this.onconnect(packet.data.sid, packet.data.pid); - } - else { - this.emitReserved("connect_error", new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)")); - } - break; - case PacketType.EVENT: - case PacketType.BINARY_EVENT: - this.onevent(packet); - break; - case PacketType.ACK: - case PacketType.BINARY_ACK: - this.onack(packet); - break; - case PacketType.DISCONNECT: - this.ondisconnect(); - break; - case PacketType.CONNECT_ERROR: - this.destroy(); - const err = new Error(packet.data.message); - // @ts-ignore - err.data = packet.data.data; - this.emitReserved("connect_error", err); - break; - } - } - /** - * Called upon a server event. - * - * @param packet - * @private - */ - onevent(packet) { - const args = packet.data || []; - if (null != packet.id) { - args.push(this.ack(packet.id)); - } - if (this.connected) { - this.emitEvent(args); - } - else { - this.receiveBuffer.push(Object.freeze(args)); - } - } - emitEvent(args) { - if (this._anyListeners && this._anyListeners.length) { - const listeners = this._anyListeners.slice(); - for (const listener of listeners) { - listener.apply(this, args); - } - } - super.emit.apply(this, args); - if (this._pid && args.length && typeof args[args.length - 1] === "string") { - this._lastOffset = args[args.length - 1]; - } - } - /** - * Produces an ack callback to emit with an event. - * - * @private - */ - ack(id) { - const self = this; - let sent = false; - return function (...args) { - // prevent double callbacks - if (sent) - return; - sent = true; - self.packet({ - type: PacketType.ACK, - id: id, - data: args, - }); - }; - } - /** - * Called upon a server acknowlegement. - * - * @param packet - * @private - */ - onack(packet) { - const ack = this.acks[packet.id]; - if ("function" === typeof ack) { - ack.apply(this, packet.data); - delete this.acks[packet.id]; - } - else { - } - } - /** - * Called upon server connect. - * - * @private - */ - onconnect(id, pid) { - this.id = id; - this.recovered = pid && this._pid === pid; - this._pid = pid; // defined only if connection state recovery is enabled - this.connected = true; - this.emitBuffered(); - this.emitReserved("connect"); - this._drainQueue(true); - } - /** - * Emit buffered events (received and emitted). - * - * @private - */ - emitBuffered() { - this.receiveBuffer.forEach((args) => this.emitEvent(args)); - this.receiveBuffer = []; - this.sendBuffer.forEach((packet) => { - this.notifyOutgoingListeners(packet); - this.packet(packet); - }); - this.sendBuffer = []; - } - /** - * Called upon server disconnect. - * - * @private - */ - ondisconnect() { - this.destroy(); - this.onclose("io server disconnect"); - } - /** - * Called upon forced client/server side disconnections, - * this method ensures the manager stops tracking us and - * that reconnections don't get triggered for this. - * - * @private - */ - destroy() { - if (this.subs) { - // clean subscriptions to avoid reconnections - this.subs.forEach((subDestroy) => subDestroy()); - this.subs = undefined; - } - this.io["_destroy"](this); - } - /** - * Disconnects the socket manually. In that case, the socket will not try to reconnect. - * - * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed. - * - * @example - * const socket = io(); - * - * socket.on("disconnect", (reason) => { - * // console.log(reason); prints "io client disconnect" - * }); - * - * socket.disconnect(); - * - * @return self - */ - disconnect() { - if (this.connected) { - this.packet({ type: PacketType.DISCONNECT }); - } - // remove socket from pool - this.destroy(); - if (this.connected) { - // fire events - this.onclose("io client disconnect"); - } - return this; - } - /** - * Alias for {@link disconnect()}. - * - * @return self - */ - close() { - return this.disconnect(); - } - /** - * Sets the compress flag. - * - * @example - * socket.compress(false).emit("hello"); - * - * @param compress - if `true`, compresses the sending data - * @return self - */ - compress(compress) { - this.flags.compress = compress; - return this; - } - /** - * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not - * ready to send messages. - * - * @example - * socket.volatile.emit("hello"); // the server may or may not receive it - * - * @returns self - */ - get volatile() { - this.flags.volatile = true; - return this; - } - /** - * Sets a modifier for a subsequent event emission that the callback will be called with an error when the - * given number of milliseconds have elapsed without an acknowledgement from the server: - * - * @example - * socket.timeout(5000).emit("my-event", (err) => { - * if (err) { - * // the server did not acknowledge the event in the given delay - * } - * }); - * - * @returns self - */ - timeout(timeout) { - this.flags.timeout = timeout; - return this; - } - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. - * - * @example - * socket.onAny((event, ...args) => { - * console.log(`got ${event}`); - * }); - * - * @param listener - */ - onAny(listener) { - this._anyListeners = this._anyListeners || []; - this._anyListeners.push(listener); - return this; - } - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. The listener is added to the beginning of the listeners array. - * - * @example - * socket.prependAny((event, ...args) => { - * console.log(`got event ${event}`); - * }); - * - * @param listener - */ - prependAny(listener) { - this._anyListeners = this._anyListeners || []; - this._anyListeners.unshift(listener); - return this; - } - /** - * Removes the listener that will be fired when any event is emitted. - * - * @example - * const catchAllListener = (event, ...args) => { - * console.log(`got event ${event}`); - * } - * - * socket.onAny(catchAllListener); - * - * // remove a specific listener - * socket.offAny(catchAllListener); - * - * // or remove all listeners - * socket.offAny(); - * - * @param listener - */ - offAny(listener) { - if (!this._anyListeners) { - return this; - } - if (listener) { - const listeners = this._anyListeners; - for (let i = 0; i < listeners.length; i++) { - if (listener === listeners[i]) { - listeners.splice(i, 1); - return this; - } - } - } - else { - this._anyListeners = []; - } - return this; - } - /** - * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, - * e.g. to remove listeners. - */ - listenersAny() { - return this._anyListeners || []; - } - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. - * - * Note: acknowledgements sent to the server are not included. - * - * @example - * socket.onAnyOutgoing((event, ...args) => { - * console.log(`sent event ${event}`); - * }); - * - * @param listener - */ - onAnyOutgoing(listener) { - this._anyOutgoingListeners = this._anyOutgoingListeners || []; - this._anyOutgoingListeners.push(listener); - return this; - } - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. The listener is added to the beginning of the listeners array. - * - * Note: acknowledgements sent to the server are not included. - * - * @example - * socket.prependAnyOutgoing((event, ...args) => { - * console.log(`sent event ${event}`); - * }); - * - * @param listener - */ - prependAnyOutgoing(listener) { - this._anyOutgoingListeners = this._anyOutgoingListeners || []; - this._anyOutgoingListeners.unshift(listener); - return this; - } - /** - * Removes the listener that will be fired when any event is emitted. - * - * @example - * const catchAllListener = (event, ...args) => { - * console.log(`sent event ${event}`); - * } - * - * socket.onAnyOutgoing(catchAllListener); - * - * // remove a specific listener - * socket.offAnyOutgoing(catchAllListener); - * - * // or remove all listeners - * socket.offAnyOutgoing(); - * - * @param [listener] - the catch-all listener (optional) - */ - offAnyOutgoing(listener) { - if (!this._anyOutgoingListeners) { - return this; - } - if (listener) { - const listeners = this._anyOutgoingListeners; - for (let i = 0; i < listeners.length; i++) { - if (listener === listeners[i]) { - listeners.splice(i, 1); - return this; - } - } - } - else { - this._anyOutgoingListeners = []; - } - return this; - } - /** - * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, - * e.g. to remove listeners. - */ - listenersAnyOutgoing() { - return this._anyOutgoingListeners || []; - } - /** - * Notify the listeners for each packet sent - * - * @param packet - * - * @private - */ - notifyOutgoingListeners(packet) { - if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) { - const listeners = this._anyOutgoingListeners.slice(); - for (const listener of listeners) { - listener.apply(this, packet.data); - } - } - } -} diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/url.d.ts b/examples/axum-echo/node_modules/socket.io-client/build/esm/url.d.ts deleted file mode 100644 index d2d669e6..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm/url.d.ts +++ /dev/null @@ -1,33 +0,0 @@ -declare type ParsedUrl = { - source: string; - protocol: string; - authority: string; - userInfo: string; - user: string; - password: string; - host: string; - port: string; - relative: string; - path: string; - directory: string; - file: string; - query: string; - anchor: string; - pathNames: Array; - queryKey: { - [key: string]: string; - }; - id: string; - href: string; -}; -/** - * URL parser. - * - * @param uri - url - * @param path - the request path of the connection - * @param loc - An object meant to mimic window.location. - * Defaults to window.location. - * @public - */ -export declare function url(uri: string | ParsedUrl, path?: string, loc?: Location): ParsedUrl; -export {}; diff --git a/examples/axum-echo/node_modules/socket.io-client/build/esm/url.js b/examples/axum-echo/node_modules/socket.io-client/build/esm/url.js deleted file mode 100644 index 0bc494e5..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/build/esm/url.js +++ /dev/null @@ -1,59 +0,0 @@ -import { parse } from "engine.io-client"; -/** - * URL parser. - * - * @param uri - url - * @param path - the request path of the connection - * @param loc - An object meant to mimic window.location. - * Defaults to window.location. - * @public - */ -export function url(uri, path = "", loc) { - let obj = uri; - // default to window.location - loc = loc || (typeof location !== "undefined" && location); - if (null == uri) - uri = loc.protocol + "//" + loc.host; - // relative path support - if (typeof uri === "string") { - if ("/" === uri.charAt(0)) { - if ("/" === uri.charAt(1)) { - uri = loc.protocol + uri; - } - else { - uri = loc.host + uri; - } - } - if (!/^(https?|wss?):\/\//.test(uri)) { - if ("undefined" !== typeof loc) { - uri = loc.protocol + "//" + uri; - } - else { - uri = "https://" + uri; - } - } - // parse - obj = parse(uri); - } - // make sure we treat `localhost:80` and `localhost` equally - if (!obj.port) { - if (/^(http|ws)$/.test(obj.protocol)) { - obj.port = "80"; - } - else if (/^(http|ws)s$/.test(obj.protocol)) { - obj.port = "443"; - } - } - obj.path = obj.path || "/"; - const ipv6 = obj.host.indexOf(":") !== -1; - const host = ipv6 ? "[" + obj.host + "]" : obj.host; - // define unique id - obj.id = obj.protocol + "://" + host + ":" + obj.port + path; - // define href - obj.href = - obj.protocol + - "://" + - host + - (loc && loc.port === obj.port ? "" : ":" + obj.port); - return obj; -} diff --git a/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.esm.min.js b/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.esm.min.js deleted file mode 100644 index ecddf45d..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.esm.min.js +++ /dev/null @@ -1,7 +0,0 @@ -/*! - * Socket.IO v4.7.4 - * (c) 2014-2024 Guillermo Rauch - * Released under the MIT License. - */ -const t=Object.create(null);t.open="0",t.close="1",t.ping="2",t.pong="3",t.message="4",t.upgrade="5",t.noop="6";const e=Object.create(null);Object.keys(t).forEach((s=>{e[t[s]]=s}));const s={type:"error",data:"parser error"},n="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===Object.prototype.toString.call(Blob),i="function"==typeof ArrayBuffer,r=t=>"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t&&t.buffer instanceof ArrayBuffer,o=({type:e,data:s},o,h)=>n&&s instanceof 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r=()=>{n.read().then((({done:t,value:e})=>{t||(this.onPacket(e),r())})).catch((t=>{}))};r();const o={type:"open"};this.query.sid&&(o.data=`{"sid":"${this.query.sid}"}`),this.writer.write(o).then((()=>this.onOpen()))}))})))}write(t){this.writable=!1;for(let e=0;e{n&&K((()=>{this.writable=!0,this.emitReserved("drain")}),this.setTimeoutFn)}))}}doClose(){var t;null===(t=this.transport)||void 0===t||t.close()}},polling:class extends C{constructor(t){if(super(t),this.polling=!1,"undefined"!=typeof location){const e="https:"===location.protocol;let s=location.port;s||(s=e?"443":"80"),this.xd="undefined"!=typeof location&&t.hostname!==location.hostname||s!==t.port}const e=t&&t.forceBase64;this.supportsBinary=M&&!e,this.opts.withCredentials&&(this.cookieJar=void 0)}get name(){return"polling"}doOpen(){this.poll()}pause(t){this.readyState="pausing";const e=()=>{this.readyState="paused",t()};if(this.polling||!this.writable){let t=0;this.polling&&(t++,this.once("pollComplete",(function(){--t||e()}))),this.writable||(t++,this.once("drain",(function(){--t||e()})))}else e()}poll(){this.polling=!0,this.doPoll(),this.emitReserved("poll")}onData(t){((t,e)=>{const s=t.split(g),n=[];for(let t=0;t{if("opening"===this.readyState&&"open"===t.type&&this.onOpen(),"close"===t.type)return this.onClose({description:"transport closed by the server"}),!1;this.onPacket(t)})),"closed"!==this.readyState&&(this.polling=!1,this.emitReserved("pollComplete"),"open"===this.readyState&&this.poll())}doClose(){const t=()=>{this.write([{type:"close"}])};"open"===this.readyState?t():this.once("open",t)}write(t){this.writable=!1,((t,e)=>{const s=t.length,n=new Array(s);let i=0;t.forEach(((t,r)=>{o(t,!1,(t=>{n[r]=t,++i===s&&e(n.join(g))}))}))})(t,(t=>{this.doWrite(t,(()=>{this.writable=!0,this.emitReserved("drain")}))}))}uri(){const t=this.opts.secure?"https":"http",e=this.query||{};return!1!==this.opts.timestampRequests&&(e[this.opts.timestampParam]=j()),this.supportsBinary||e.sid||(e.b64=1),this.createUri(t,e)}request(t={}){return Object.assign(t,{xd:this.xd,cookieJar:this.cookieJar},this.opts),new V(this.uri(),t)}doWrite(t,e){const s=this.request({method:"POST",data:t});s.on("success",e),s.on("error",((t,e)=>{this.onError("xhr post error",t,e)}))}doPoll(){const t=this.request();t.on("data",this.onData.bind(this)),t.on("error",((t,e)=>{this.onError("xhr poll error",t,e)})),this.pollXhr=t}}},J=/^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,$=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];function Q(t){const e=t,s=t.indexOf("["),n=t.indexOf("]");-1!=s&&-1!=n&&(t=t.substring(0,s)+t.substring(s,n).replace(/:/g,";")+t.substring(n,t.length));let i=J.exec(t||""),r={},o=14;for(;o--;)r[$[o]]=i[o]||"";return-1!=s&&-1!=n&&(r.source=e,r.host=r.host.substring(1,r.host.length-1).replace(/;/g,":"),r.authority=r.authority.replace("[","").replace("]","").replace(/;/g,":"),r.ipv6uri=!0),r.pathNames=function(t,e){const s=/\/{2,9}/g,n=e.replace(s,"/").split("/");"/"!=e.slice(0,1)&&0!==e.length||n.splice(0,1);"/"==e.slice(-1)&&n.splice(n.length-1,1);return n}(0,r.path),r.queryKey=function(t,e){const s={};return e.replace(/(?:^|&)([^&=]*)=?([^&]*)/g,(function(t,e,n){e&&(s[e]=n)})),s}(0,r.query),r}class X extends k{constructor(t,e={}){super(),this.binaryType="arraybuffer",this.writeBuffer=[],t&&"object"==typeof t&&(e=t,t=null),t?(t=Q(t),e.hostname=t.host,e.secure="https"===t.protocol||"wss"===t.protocol,e.port=t.port,t.query&&(e.query=t.query)):e.host&&(e.hostname=Q(e.host).host),T(this,e),this.secure=null!=e.secure?e.secure:"undefined"!=typeof location&&"https:"===location.protocol,e.hostname&&!e.port&&(e.port=this.secure?"443":"80"),this.hostname=e.hostname||("undefined"!=typeof location?location.hostname:"localhost"),this.port=e.port||("undefined"!=typeof location&&location.port?location.port:this.secure?"443":"80"),this.transports=e.transports||["polling","websocket","webtransport"],this.writeBuffer=[],this.prevBufferLen=0,this.opts=Object.assign({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,timestampParam:"t",rememberUpgrade:!1,addTrailingSlash:!0,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{},closeOnBeforeunload:!1},e),this.opts.path=this.opts.path.replace(/\/$/,"")+(this.opts.addTrailingSlash?"/":""),"string"==typeof this.opts.query&&(this.opts.query=function(t){let e={},s=t.split("&");for(let t=0,n=s.length;t{this.transport&&(this.transport.removeAllListeners(),this.transport.close())},addEventListener("beforeunload",this.beforeunloadEventListener,!1)),"localhost"!==this.hostname&&(this.offlineEventListener=()=>{this.onClose("transport close",{description:"network connection lost"})},addEventListener("offline",this.offlineEventListener,!1))),this.open()}createTransport(t){const e=Object.assign({},this.opts.query);e.EIO=4,e.transport=t,this.id&&(e.sid=this.id);const s=Object.assign({},this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port},this.opts.transportOptions[t]);return new z[t](s)}open(){let t;if(this.opts.rememberUpgrade&&X.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length)return void this.setTimeoutFn((()=>{this.emitReserved("error","No transports available")}),0);t=this.transports[0]}this.readyState="opening";try{t=this.createTransport(t)}catch(t){return this.transports.shift(),void this.open()}t.open(),this.setTransport(t)}setTransport(t){this.transport&&this.transport.removeAllListeners(),this.transport=t,t.on("drain",this.onDrain.bind(this)).on("packet",this.onPacket.bind(this)).on("error",this.onError.bind(this)).on("close",(t=>this.onClose("transport close",t)))}probe(t){let e=this.createTransport(t),s=!1;X.priorWebsocketSuccess=!1;const n=()=>{s||(e.send([{type:"ping",data:"probe"}]),e.once("packet",(t=>{if(!s)if("pong"===t.type&&"probe"===t.data){if(this.upgrading=!0,this.emitReserved("upgrading",e),!e)return;X.priorWebsocketSuccess="websocket"===e.name,this.transport.pause((()=>{s||"closed"!==this.readyState&&(c(),this.setTransport(e),e.send([{type:"upgrade"}]),this.emitReserved("upgrade",e),e=null,this.upgrading=!1,this.flush())}))}else{const t=new Error("probe error");t.transport=e.name,this.emitReserved("upgradeError",t)}})))};function i(){s||(s=!0,c(),e.close(),e=null)}const r=t=>{const s=new Error("probe error: "+t);s.transport=e.name,i(),this.emitReserved("upgradeError",s)};function o(){r("transport closed")}function a(){r("socket closed")}function h(t){e&&t.name!==e.name&&i()}const c=()=>{e.removeListener("open",n),e.removeListener("error",r),e.removeListener("close",o),this.off("close",a),this.off("upgrading",h)};e.once("open",n),e.once("error",r),e.once("close",o),this.once("close",a),this.once("upgrading",h),-1!==this.upgrades.indexOf("webtransport")&&"webtransport"!==t?this.setTimeoutFn((()=>{s||e.open()}),200):e.open()}onOpen(){if(this.readyState="open",X.priorWebsocketSuccess="websocket"===this.transport.name,this.emitReserved("open"),this.flush(),"open"===this.readyState&&this.opts.upgrade){let t=0;const e=this.upgrades.length;for(;t{this.onClose("ping timeout")}),this.pingInterval+this.pingTimeout),this.opts.autoUnref&&this.pingTimeoutTimer.unref()}onDrain(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emitReserved("drain"):this.flush()}flush(){if("closed"!==this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length){const t=this.getWritablePackets();this.transport.send(t),this.prevBufferLen=t.length,this.emitReserved("flush")}}getWritablePackets(){if(!(this.maxPayload&&"polling"===this.transport.name&&this.writeBuffer.length>1))return this.writeBuffer;let t=1;for(let s=0;s=57344?s+=3:(n++,s+=4);return s}(e):Math.ceil(1.33*(e.byteLength||e.size))),s>0&&t>this.maxPayload)return this.writeBuffer.slice(0,s);t+=2}var e;return this.writeBuffer}write(t,e,s){return this.sendPacket("message",t,e,s),this}send(t,e,s){return this.sendPacket("message",t,e,s),this}sendPacket(t,e,s,n){if("function"==typeof e&&(n=e,e=void 0),"function"==typeof s&&(n=s,s=null),"closing"===this.readyState||"closed"===this.readyState)return;(s=s||{}).compress=!1!==s.compress;const i={type:t,data:e,options:s};this.emitReserved("packetCreate",i),this.writeBuffer.push(i),n&&this.once("flush",n),this.flush()}close(){const t=()=>{this.onClose("forced close"),this.transport.close()},e=()=>{this.off("upgrade",e),this.off("upgradeError",e),t()},s=()=>{this.once("upgrade",e),this.once("upgradeError",e)};return"opening"!==this.readyState&&"open"!==this.readyState||(this.readyState="closing",this.writeBuffer.length?this.once("drain",(()=>{this.upgrading?s():t()})):this.upgrading?s():t()),this}onError(t){X.priorWebsocketSuccess=!1,this.emitReserved("error",t),this.onClose("transport error",t)}onClose(t,e){"opening"!==this.readyState&&"open"!==this.readyState&&"closing"!==this.readyState||(this.clearTimeoutFn(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),"function"==typeof removeEventListener&&(removeEventListener("beforeunload",this.beforeunloadEventListener,!1),removeEventListener("offline",this.offlineEventListener,!1)),this.readyState="closed",this.id=null,this.emitReserved("close",t,e),this.writeBuffer=[],this.prevBufferLen=0)}filterUpgrades(t){const e=[];let s=0;const n=t.length;for(;s"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t.buffer instanceof ArrayBuffer,tt=Object.prototype.toString,et="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===tt.call(Blob),st="function"==typeof File||"undefined"!=typeof File&&"[object FileConstructor]"===tt.call(File);function nt(t){return G&&(t instanceof ArrayBuffer||Z(t))||et&&t instanceof Blob||st&&t instanceof File}function it(t,e){if(!t||"object"!=typeof t)return!1;if(Array.isArray(t)){for(let e=0,s=t.length;e=0&&t.num{delete this.acks[t];for(let e=0;e{this.io.clearTimeoutFn(i),e.apply(this,[null,...t])}}emitWithAck(t,...e){const s=void 0!==this.flags.timeout||void 0!==this._opts.ackTimeout;return new Promise(((n,i)=>{e.push(((t,e)=>s?t?i(t):n(e):n(t))),this.emit(t,...e)}))}_addToQueue(t){let e;"function"==typeof t[t.length-1]&&(e=t.pop());const s={id:this._queueSeq++,tryCount:0,pending:!1,args:t,flags:Object.assign({fromQueue:!0},this.flags)};t.push(((t,...n)=>{if(s!==this._queue[0])return;return null!==t?s.tryCount>this._opts.retries&&(this._queue.shift(),e&&e(t)):(this._queue.shift(),e&&e(null,...n)),s.pending=!1,this._drainQueue()})),this._queue.push(s),this._drainQueue()}_drainQueue(t=!1){if(!this.connected||0===this._queue.length)return;const e=this._queue[0];e.pending&&!t||(e.pending=!0,e.tryCount++,this.flags=e.flags,this.emit.apply(this,e.args))}packet(t){t.nsp=this.nsp,this.io._packet(t)}onopen(){"function"==typeof this.auth?this.auth((t=>{this._sendConnectPacket(t)})):this._sendConnectPacket(this.auth)}_sendConnectPacket(t){this.packet({type:pt.CONNECT,data:this._pid?Object.assign({pid:this._pid,offset:this._lastOffset},t):t})}onerror(t){this.connected||this.emitReserved("connect_error",t)}onclose(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}onpacket(t){if(t.nsp===this.nsp)switch(t.type){case pt.CONNECT:t.data&&t.data.sid?this.onconnect(t.data.sid,t.data.pid):this.emitReserved("connect_error",new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)"));break;case pt.EVENT:case pt.BINARY_EVENT:this.onevent(t);break;case pt.ACK:case pt.BINARY_ACK:this.onack(t);break;case pt.DISCONNECT:this.ondisconnect();break;case pt.CONNECT_ERROR:this.destroy();const e=new Error(t.data.message);e.data=t.data.data,this.emitReserved("connect_error",e)}}onevent(t){const e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}emitEvent(t){if(this._anyListeners&&this._anyListeners.length){const e=this._anyListeners.slice();for(const s of e)s.apply(this,t)}super.emit.apply(this,t),this._pid&&t.length&&"string"==typeof t[t.length-1]&&(this._lastOffset=t[t.length-1])}ack(t){const e=this;let s=!1;return function(...n){s||(s=!0,e.packet({type:pt.ACK,id:t,data:n}))}}onack(t){const e=this.acks[t.id];"function"==typeof e&&(e.apply(this,t.data),delete this.acks[t.id])}onconnect(t,e){this.id=t,this.recovered=e&&this._pid===e,this._pid=e,this.connected=!0,this.emitBuffered(),this.emitReserved("connect"),this._drainQueue(!0)}emitBuffered(){this.receiveBuffer.forEach((t=>this.emitEvent(t))),this.receiveBuffer=[],this.sendBuffer.forEach((t=>{this.notifyOutgoingListeners(t),this.packet(t)})),this.sendBuffer=[]}ondisconnect(){this.destroy(),this.onclose("io server disconnect")}destroy(){this.subs&&(this.subs.forEach((t=>t())),this.subs=void 0),this.io._destroy(this)}disconnect(){return this.connected&&this.packet({type:pt.DISCONNECT}),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}close(){return this.disconnect()}compress(t){return this.flags.compress=t,this}get volatile(){return this.flags.volatile=!0,this}timeout(t){return this.flags.timeout=t,this}onAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.push(t),this}prependAny(t){return this._anyListeners=this._anyListeners||[],this._anyListeners.unshift(t),this}offAny(t){if(!this._anyListeners)return this;if(t){const e=this._anyListeners;for(let s=0;s0&&t.jitter<=1?t.jitter:0,this.attempts=0}vt.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),s=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-s:t+s}return 0|Math.min(t,this.max)},vt.prototype.reset=function(){this.attempts=0},vt.prototype.setMin=function(t){this.ms=t},vt.prototype.setMax=function(t){this.max=t},vt.prototype.setJitter=function(t){this.jitter=t};class wt extends k{constructor(t,e){var s;super(),this.nsps={},this.subs=[],t&&"object"==typeof t&&(e=t,t=void 0),(e=e||{}).path=e.path||"/socket.io",this.opts=e,T(this,e),this.reconnection(!1!==e.reconnection),this.reconnectionAttempts(e.reconnectionAttempts||1/0),this.reconnectionDelay(e.reconnectionDelay||1e3),this.reconnectionDelayMax(e.reconnectionDelayMax||5e3),this.randomizationFactor(null!==(s=e.randomizationFactor)&&void 0!==s?s:.5),this.backoff=new vt({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(null==e.timeout?2e4:e.timeout),this._readyState="closed",this.uri=t;const n=e.parser||yt;this.encoder=new n.Encoder,this.decoder=new n.Decoder,this._autoConnect=!1!==e.autoConnect,this._autoConnect&&this.open()}reconnection(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}reconnectionAttempts(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}reconnectionDelay(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}randomizationFactor(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}reconnectionDelayMax(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}timeout(t){return arguments.length?(this._timeout=t,this):this._timeout}maybeReconnectOnOpen(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}open(t){if(~this._readyState.indexOf("open"))return this;this.engine=new X(this.uri,this.opts);const e=this.engine,s=this;this._readyState="opening",this.skipReconnect=!1;const n=gt(e,"open",(function(){s.onopen(),t&&t()})),i=e=>{this.cleanup(),this._readyState="closed",this.emitReserved("error",e),t?t(e):this.maybeReconnectOnOpen()},r=gt(e,"error",i);if(!1!==this._timeout){const t=this._timeout,s=this.setTimeoutFn((()=>{n(),i(new Error("timeout")),e.close()}),t);this.opts.autoUnref&&s.unref(),this.subs.push((()=>{this.clearTimeoutFn(s)}))}return this.subs.push(n),this.subs.push(r),this}connect(t){return this.open(t)}onopen(){this.cleanup(),this._readyState="open",this.emitReserved("open");const t=this.engine;this.subs.push(gt(t,"ping",this.onping.bind(this)),gt(t,"data",this.ondata.bind(this)),gt(t,"error",this.onerror.bind(this)),gt(t,"close",this.onclose.bind(this)),gt(this.decoder,"decoded",this.ondecoded.bind(this)))}onping(){this.emitReserved("ping")}ondata(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}}ondecoded(t){K((()=>{this.emitReserved("packet",t)}),this.setTimeoutFn)}onerror(t){this.emitReserved("error",t)}socket(t,e){let s=this.nsps[t];return s?this._autoConnect&&!s.active&&s.connect():(s=new bt(this,t,e),this.nsps[t]=s),s}_destroy(t){const e=Object.keys(this.nsps);for(const t of e){if(this.nsps[t].active)return}this._close()}_packet(t){const e=this.encoder.encode(t);for(let s=0;st())),this.subs.length=0,this.decoder.destroy()}_close(){this.skipReconnect=!0,this._reconnecting=!1,this.onclose("forced close"),this.engine&&this.engine.close()}disconnect(){return this._close()}onclose(t,e){this.cleanup(),this.backoff.reset(),this._readyState="closed",this.emitReserved("close",t,e),this._reconnection&&!this.skipReconnect&&this.reconnect()}reconnect(){if(this._reconnecting||this.skipReconnect)return this;const t=this;if(this.backoff.attempts>=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{const e=this.backoff.duration();this._reconnecting=!0;const s=this.setTimeoutFn((()=>{t.skipReconnect||(this.emitReserved("reconnect_attempt",t.backoff.attempts),t.skipReconnect||t.open((e=>{e?(t._reconnecting=!1,t.reconnect(),this.emitReserved("reconnect_error",e)):t.onreconnect()})))}),e);this.opts.autoUnref&&s.unref(),this.subs.push((()=>{this.clearTimeoutFn(s)}))}}onreconnect(){const t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}const kt={};function _t(t,e){"object"==typeof t&&(e=t,t=void 0);const s=function(t,e="",s){let n=t;s=s||"undefined"!=typeof location&&location,null==t&&(t=s.protocol+"//"+s.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?s.protocol+t:s.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==s?s.protocol+"//"+t:"https://"+t),n=Q(t)),n.port||(/^(http|ws)$/.test(n.protocol)?n.port="80":/^(http|ws)s$/.test(n.protocol)&&(n.port="443")),n.path=n.path||"/";const i=-1!==n.host.indexOf(":")?"["+n.host+"]":n.host;return n.id=n.protocol+"://"+i+":"+n.port+e,n.href=n.protocol+"://"+i+(s&&s.port===n.port?"":":"+n.port),n}(t,(e=e||{}).path||"/socket.io"),n=s.source,i=s.id,r=s.path,o=kt[i]&&r in kt[i].nsps;let a;return e.forceNew||e["force new connection"]||!1===e.multiplex||o?a=new wt(n,e):(kt[i]||(kt[i]=new wt(n,e)),a=kt[i]),s.query&&!e.query&&(e.query=s.queryKey),a.socket(s.path,e)}Object.assign(_t,{Manager:wt,Socket:bt,io:_t,connect:_t});export{wt as Manager,bt as Socket,_t as connect,_t as default,_t as io,ut as protocol}; -//# sourceMappingURL=socket.io.esm.min.js.map diff --git a/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.esm.min.js.map b/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.esm.min.js.map deleted file mode 100644 index f78e5b78..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.esm.min.js.map +++ /dev/null @@ -1 +0,0 @@ -{"version":3,"file":"socket.io.esm.min.js","sources":["../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/commons.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/encodePacket.browser.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/decodePacket.browser.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/index.js","../node_modules/@socket.io/component-emitter/index.mjs","../node_modules/engine.io-client/build/esm/globalThis.browser.js","../node_modules/engine.io-client/build/esm/util.js","../node_modules/engine.io-client/build/esm/transport.js","../node_modules/engine.io-client/build/esm/contrib/parseqs.js","../node_modules/engine.io-client/build/esm/contrib/yeast.js","../node_modules/engine.io-client/build/esm/contrib/has-cors.js","../node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.js","../node_modules/engine.io-client/build/esm/transports/polling.js","../node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.js","../node_modules/engine.io-client/build/esm/transports/websocket.js","../node_modules/engine.io-client/build/esm/transports/index.js","../node_modules/engine.io-client/build/esm/transports/webtransport.js","../node_modules/engine.io-client/build/esm/contrib/parseuri.js","../node_modules/engine.io-client/build/esm/socket.js","../node_modules/socket.io-parser/build/esm/is-binary.js","../node_modules/socket.io-parser/build/esm/binary.js","../node_modules/socket.io-parser/build/esm/index.js","../build/esm/on.js","../build/esm/socket.js","../build/esm/contrib/backo2.js","../build/esm/manager.js","../build/esm/index.js","../build/esm/url.js"],"sourcesContent":["const PACKET_TYPES = Object.create(null); // no Map = no polyfill\nPACKET_TYPES[\"open\"] = \"0\";\nPACKET_TYPES[\"close\"] = \"1\";\nPACKET_TYPES[\"ping\"] = \"2\";\nPACKET_TYPES[\"pong\"] = \"3\";\nPACKET_TYPES[\"message\"] = \"4\";\nPACKET_TYPES[\"upgrade\"] = \"5\";\nPACKET_TYPES[\"noop\"] = \"6\";\nconst PACKET_TYPES_REVERSE = Object.create(null);\nObject.keys(PACKET_TYPES).forEach(key => {\n PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;\n});\nconst ERROR_PACKET = { type: \"error\", data: \"parser error\" };\nexport { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET };\n","import { PACKET_TYPES } from \"./commons.js\";\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n Object.prototype.toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\n// ArrayBuffer.isView method is not defined in IE10\nconst isView = obj => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj && obj.buffer instanceof ArrayBuffer;\n};\nconst encodePacket = ({ type, data }, supportsBinary, callback) => {\n if (withNativeBlob && data instanceof Blob) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(data, callback);\n }\n }\n else if (withNativeArrayBuffer &&\n (data instanceof ArrayBuffer || isView(data))) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(new Blob([data]), callback);\n }\n }\n // plain string\n return callback(PACKET_TYPES[type] + (data || \"\"));\n};\nconst encodeBlobAsBase64 = (data, callback) => {\n const fileReader = new FileReader();\n fileReader.onload = function () {\n const content = fileReader.result.split(\",\")[1];\n callback(\"b\" + (content || \"\"));\n };\n return fileReader.readAsDataURL(data);\n};\nfunction toArray(data) {\n if (data instanceof Uint8Array) {\n return data;\n }\n else if (data instanceof ArrayBuffer) {\n return new Uint8Array(data);\n }\n else {\n return new Uint8Array(data.buffer, data.byteOffset, data.byteLength);\n }\n}\nlet TEXT_ENCODER;\nexport function encodePacketToBinary(packet, callback) {\n if (withNativeBlob && packet.data instanceof Blob) {\n return packet.data\n .arrayBuffer()\n .then(toArray)\n .then(callback);\n }\n else if (withNativeArrayBuffer &&\n (packet.data instanceof ArrayBuffer || isView(packet.data))) {\n return callback(toArray(packet.data));\n }\n encodePacket(packet, false, encoded => {\n if (!TEXT_ENCODER) {\n TEXT_ENCODER = new TextEncoder();\n }\n callback(TEXT_ENCODER.encode(encoded));\n });\n}\nexport { encodePacket };\n","// imported from https://github.com/socketio/base64-arraybuffer\nconst chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\n// Use a lookup table to find the index.\nconst lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256);\nfor (let i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n}\nexport const encode = (arraybuffer) => {\n let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = '';\n for (i = 0; i < len; i += 3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n if (len % 3 === 2) {\n base64 = base64.substring(0, base64.length - 1) + '=';\n }\n else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + '==';\n }\n return base64;\n};\nexport const decode = (base64) => {\n let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;\n if (base64[base64.length - 1] === '=') {\n bufferLength--;\n if (base64[base64.length - 2] === '=') {\n bufferLength--;\n }\n }\n const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);\n for (i = 0; i < len; i += 4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i + 1)];\n encoded3 = lookup[base64.charCodeAt(i + 2)];\n encoded4 = lookup[base64.charCodeAt(i + 3)];\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n return arraybuffer;\n};\n","import { ERROR_PACKET, PACKET_TYPES_REVERSE } from \"./commons.js\";\nimport { decode } from \"./contrib/base64-arraybuffer.js\";\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nexport const decodePacket = (encodedPacket, binaryType) => {\n if (typeof encodedPacket !== \"string\") {\n return {\n type: \"message\",\n data: mapBinary(encodedPacket, binaryType)\n };\n }\n const type = encodedPacket.charAt(0);\n if (type === \"b\") {\n return {\n type: \"message\",\n data: decodeBase64Packet(encodedPacket.substring(1), binaryType)\n };\n }\n const packetType = PACKET_TYPES_REVERSE[type];\n if (!packetType) {\n return ERROR_PACKET;\n }\n return encodedPacket.length > 1\n ? {\n type: PACKET_TYPES_REVERSE[type],\n data: encodedPacket.substring(1)\n }\n : {\n type: PACKET_TYPES_REVERSE[type]\n };\n};\nconst decodeBase64Packet = (data, binaryType) => {\n if (withNativeArrayBuffer) {\n const decoded = decode(data);\n return mapBinary(decoded, binaryType);\n }\n else {\n return { base64: true, data }; // fallback for old browsers\n }\n};\nconst mapBinary = (data, binaryType) => {\n switch (binaryType) {\n case \"blob\":\n if (data instanceof Blob) {\n // from WebSocket + binaryType \"blob\"\n return data;\n }\n else {\n // from HTTP long-polling or WebTransport\n return new Blob([data]);\n }\n case \"arraybuffer\":\n default:\n if (data instanceof ArrayBuffer) {\n // from HTTP long-polling (base64) or WebSocket + binaryType \"arraybuffer\"\n return data;\n }\n else {\n // from WebTransport (Uint8Array)\n return data.buffer;\n }\n }\n};\n","import { encodePacket, encodePacketToBinary } from \"./encodePacket.js\";\nimport { decodePacket } from \"./decodePacket.js\";\nimport { ERROR_PACKET } from \"./commons.js\";\nconst SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text\nconst encodePayload = (packets, callback) => {\n // some packets may be added to the array while encoding, so the initial length must be saved\n const length = packets.length;\n const encodedPackets = new Array(length);\n let count = 0;\n packets.forEach((packet, i) => {\n // force base64 encoding for binary packets\n encodePacket(packet, false, encodedPacket => {\n encodedPackets[i] = encodedPacket;\n if (++count === length) {\n callback(encodedPackets.join(SEPARATOR));\n }\n });\n });\n};\nconst decodePayload = (encodedPayload, binaryType) => {\n const encodedPackets = encodedPayload.split(SEPARATOR);\n const packets = [];\n for (let i = 0; i < encodedPackets.length; i++) {\n const decodedPacket = decodePacket(encodedPackets[i], binaryType);\n packets.push(decodedPacket);\n if (decodedPacket.type === \"error\") {\n break;\n }\n }\n return packets;\n};\nexport function createPacketEncoderStream() {\n return new TransformStream({\n transform(packet, controller) {\n encodePacketToBinary(packet, encodedPacket => {\n const payloadLength = encodedPacket.length;\n let header;\n // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length\n if (payloadLength < 126) {\n header = new Uint8Array(1);\n new DataView(header.buffer).setUint8(0, payloadLength);\n }\n else if (payloadLength < 65536) {\n header = new Uint8Array(3);\n const view = new DataView(header.buffer);\n view.setUint8(0, 126);\n view.setUint16(1, payloadLength);\n }\n else {\n header = new Uint8Array(9);\n const view = new DataView(header.buffer);\n view.setUint8(0, 127);\n view.setBigUint64(1, BigInt(payloadLength));\n }\n // first bit indicates whether the payload is plain text (0) or binary (1)\n if (packet.data && typeof packet.data !== \"string\") {\n header[0] |= 0x80;\n }\n controller.enqueue(header);\n controller.enqueue(encodedPacket);\n });\n }\n });\n}\nlet TEXT_DECODER;\nfunction totalLength(chunks) {\n return chunks.reduce((acc, chunk) => acc + chunk.length, 0);\n}\nfunction concatChunks(chunks, size) {\n if (chunks[0].length === size) {\n return chunks.shift();\n }\n const buffer = new Uint8Array(size);\n let j = 0;\n for (let i = 0; i < size; i++) {\n buffer[i] = chunks[0][j++];\n if (j === chunks[0].length) {\n chunks.shift();\n j = 0;\n }\n }\n if (chunks.length && j < chunks[0].length) {\n chunks[0] = chunks[0].slice(j);\n }\n return buffer;\n}\nexport function createPacketDecoderStream(maxPayload, binaryType) {\n if (!TEXT_DECODER) {\n TEXT_DECODER = new TextDecoder();\n }\n const chunks = [];\n let state = 0 /* READ_HEADER */;\n let expectedLength = -1;\n let isBinary = false;\n return new TransformStream({\n transform(chunk, controller) {\n chunks.push(chunk);\n while (true) {\n if (state === 0 /* READ_HEADER */) {\n if (totalLength(chunks) < 1) {\n break;\n }\n const header = concatChunks(chunks, 1);\n isBinary = (header[0] & 0x80) === 0x80;\n expectedLength = header[0] & 0x7f;\n if (expectedLength < 126) {\n state = 3 /* READ_PAYLOAD */;\n }\n else if (expectedLength === 126) {\n state = 1 /* READ_EXTENDED_LENGTH_16 */;\n }\n else {\n state = 2 /* READ_EXTENDED_LENGTH_64 */;\n }\n }\n else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) {\n if (totalLength(chunks) < 2) {\n break;\n }\n const headerArray = concatChunks(chunks, 2);\n expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0);\n state = 3 /* READ_PAYLOAD */;\n }\n else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) {\n if (totalLength(chunks) < 8) {\n break;\n }\n const headerArray = concatChunks(chunks, 8);\n const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length);\n const n = view.getUint32(0);\n if (n > Math.pow(2, 53 - 32) - 1) {\n // the maximum safe integer in JavaScript is 2^53 - 1\n controller.enqueue(ERROR_PACKET);\n break;\n }\n expectedLength = n * Math.pow(2, 32) + view.getUint32(4);\n state = 3 /* READ_PAYLOAD */;\n }\n else {\n if (totalLength(chunks) < expectedLength) {\n break;\n }\n const data = concatChunks(chunks, expectedLength);\n controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType));\n state = 0 /* READ_HEADER */;\n }\n if (expectedLength === 0 || expectedLength > maxPayload) {\n controller.enqueue(ERROR_PACKET);\n break;\n }\n }\n }\n });\n}\nexport const protocol = 4;\nexport { encodePacket, encodePayload, decodePacket, decodePayload };\n","/**\n * Initialize a new `Emitter`.\n *\n * @api public\n */\n\nexport function Emitter(obj) {\n if (obj) return mixin(obj);\n}\n\n/**\n * Mixin the emitter properties.\n *\n * @param {Object} obj\n * @return {Object}\n * @api private\n */\n\nfunction mixin(obj) {\n for (var key in Emitter.prototype) {\n obj[key] = Emitter.prototype[key];\n }\n return obj;\n}\n\n/**\n * Listen on the given `event` with `fn`.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.on =\nEmitter.prototype.addEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\n .push(fn);\n return this;\n};\n\n/**\n * Adds an `event` listener that will be invoked a single\n * time then automatically removed.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.once = function(event, fn){\n function on() {\n this.off(event, on);\n fn.apply(this, arguments);\n }\n\n on.fn = fn;\n this.on(event, on);\n return this;\n};\n\n/**\n * Remove the given callback for `event` or all\n * registered callbacks.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.off =\nEmitter.prototype.removeListener =\nEmitter.prototype.removeAllListeners =\nEmitter.prototype.removeEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n\n // all\n if (0 == arguments.length) {\n this._callbacks = {};\n return this;\n }\n\n // specific event\n var callbacks = this._callbacks['$' + event];\n if (!callbacks) return this;\n\n // remove all handlers\n if (1 == arguments.length) {\n delete this._callbacks['$' + event];\n return this;\n }\n\n // remove specific handler\n var cb;\n for (var i = 0; i < callbacks.length; i++) {\n cb = callbacks[i];\n if (cb === fn || cb.fn === fn) {\n callbacks.splice(i, 1);\n break;\n }\n }\n\n // Remove event specific arrays for event types that no\n // one is subscribed for to avoid memory leak.\n if (callbacks.length === 0) {\n delete this._callbacks['$' + event];\n }\n\n return this;\n};\n\n/**\n * Emit `event` with the given args.\n *\n * @param {String} event\n * @param {Mixed} ...\n * @return {Emitter}\n */\n\nEmitter.prototype.emit = function(event){\n this._callbacks = this._callbacks || {};\n\n var args = new Array(arguments.length - 1)\n , callbacks = this._callbacks['$' + event];\n\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n\n if (callbacks) {\n callbacks = callbacks.slice(0);\n for (var i = 0, len = callbacks.length; i < len; ++i) {\n callbacks[i].apply(this, args);\n }\n }\n\n return this;\n};\n\n// alias used for reserved events (protected method)\nEmitter.prototype.emitReserved = Emitter.prototype.emit;\n\n/**\n * Return array of callbacks for `event`.\n *\n * @param {String} event\n * @return {Array}\n * @api public\n */\n\nEmitter.prototype.listeners = function(event){\n this._callbacks = this._callbacks || {};\n return this._callbacks['$' + event] || [];\n};\n\n/**\n * Check if this emitter has `event` handlers.\n *\n * @param {String} event\n * @return {Boolean}\n * @api public\n */\n\nEmitter.prototype.hasListeners = function(event){\n return !! this.listeners(event).length;\n};\n","export const globalThisShim = (() => {\n if (typeof self !== \"undefined\") {\n return self;\n }\n else if (typeof window !== \"undefined\") {\n return window;\n }\n else {\n return Function(\"return this\")();\n }\n})();\n","import { globalThisShim as globalThis } from \"./globalThis.js\";\nexport function pick(obj, ...attr) {\n return attr.reduce((acc, k) => {\n if (obj.hasOwnProperty(k)) {\n acc[k] = obj[k];\n }\n return acc;\n }, {});\n}\n// Keep a reference to the real timeout functions so they can be used when overridden\nconst NATIVE_SET_TIMEOUT = globalThis.setTimeout;\nconst NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout;\nexport function installTimerFunctions(obj, opts) {\n if (opts.useNativeTimers) {\n obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis);\n obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis);\n }\n else {\n obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis);\n obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis);\n }\n}\n// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64)\nconst BASE64_OVERHEAD = 1.33;\n// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9\nexport function byteLength(obj) {\n if (typeof obj === \"string\") {\n return utf8Length(obj);\n }\n // arraybuffer or blob\n return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD);\n}\nfunction utf8Length(str) {\n let c = 0, length = 0;\n for (let i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n length += 1;\n }\n else if (c < 0x800) {\n length += 2;\n }\n else if (c < 0xd800 || c >= 0xe000) {\n length += 3;\n }\n else {\n i++;\n length += 4;\n }\n }\n return length;\n}\n","import { decodePacket } from \"engine.io-parser\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions } from \"./util.js\";\nimport { encode } from \"./contrib/parseqs.js\";\nclass TransportError extends Error {\n constructor(reason, description, context) {\n super(reason);\n this.description = description;\n this.context = context;\n this.type = \"TransportError\";\n }\n}\nexport class Transport extends Emitter {\n /**\n * Transport abstract constructor.\n *\n * @param {Object} opts - options\n * @protected\n */\n constructor(opts) {\n super();\n this.writable = false;\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.query = opts.query;\n this.socket = opts.socket;\n }\n /**\n * Emits an error.\n *\n * @param {String} reason\n * @param description\n * @param context - the error context\n * @return {Transport} for chaining\n * @protected\n */\n onError(reason, description, context) {\n super.emitReserved(\"error\", new TransportError(reason, description, context));\n return this;\n }\n /**\n * Opens the transport.\n */\n open() {\n this.readyState = \"opening\";\n this.doOpen();\n return this;\n }\n /**\n * Closes the transport.\n */\n close() {\n if (this.readyState === \"opening\" || this.readyState === \"open\") {\n this.doClose();\n this.onClose();\n }\n return this;\n }\n /**\n * Sends multiple packets.\n *\n * @param {Array} packets\n */\n send(packets) {\n if (this.readyState === \"open\") {\n this.write(packets);\n }\n else {\n // this might happen if the transport was silently closed in the beforeunload event handler\n }\n }\n /**\n * Called upon open\n *\n * @protected\n */\n onOpen() {\n this.readyState = \"open\";\n this.writable = true;\n super.emitReserved(\"open\");\n }\n /**\n * Called with data.\n *\n * @param {String} data\n * @protected\n */\n onData(data) {\n const packet = decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n }\n /**\n * Called with a decoded packet.\n *\n * @protected\n */\n onPacket(packet) {\n super.emitReserved(\"packet\", packet);\n }\n /**\n * Called upon close.\n *\n * @protected\n */\n onClose(details) {\n this.readyState = \"closed\";\n super.emitReserved(\"close\", details);\n }\n /**\n * Pauses the transport, in order not to lose packets during an upgrade.\n *\n * @param onPause\n */\n pause(onPause) { }\n createUri(schema, query = {}) {\n return (schema +\n \"://\" +\n this._hostname() +\n this._port() +\n this.opts.path +\n this._query(query));\n }\n _hostname() {\n const hostname = this.opts.hostname;\n return hostname.indexOf(\":\") === -1 ? hostname : \"[\" + hostname + \"]\";\n }\n _port() {\n if (this.opts.port &&\n ((this.opts.secure && Number(this.opts.port !== 443)) ||\n (!this.opts.secure && Number(this.opts.port) !== 80))) {\n return \":\" + this.opts.port;\n }\n else {\n return \"\";\n }\n }\n _query(query) {\n const encodedQuery = encode(query);\n return encodedQuery.length ? \"?\" + encodedQuery : \"\";\n }\n}\n","// imported from https://github.com/galkn/querystring\n/**\n * Compiles a querystring\n * Returns string representation of the object\n *\n * @param {Object}\n * @api private\n */\nexport function encode(obj) {\n let str = '';\n for (let i in obj) {\n if (obj.hasOwnProperty(i)) {\n if (str.length)\n str += '&';\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\n }\n }\n return str;\n}\n/**\n * Parses a simple querystring into an object\n *\n * @param {String} qs\n * @api private\n */\nexport function decode(qs) {\n let qry = {};\n let pairs = qs.split('&');\n for (let i = 0, l = pairs.length; i < l; i++) {\n let pair = pairs[i].split('=');\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n }\n return qry;\n}\n","// imported from https://github.com/unshiftio/yeast\n'use strict';\nconst alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {};\nlet seed = 0, i = 0, prev;\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nexport function encode(num) {\n let encoded = '';\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n return encoded;\n}\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nexport function decode(str) {\n let decoded = 0;\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n return decoded;\n}\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nexport function yeast() {\n const now = encode(+new Date());\n if (now !== prev)\n return seed = 0, prev = now;\n return now + '.' + encode(seed++);\n}\n//\n// Map each character to its index.\n//\nfor (; i < length; i++)\n map[alphabet[i]] = i;\n","// imported from https://github.com/component/has-cors\nlet value = false;\ntry {\n value = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n}\ncatch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n}\nexport const hasCORS = value;\n","// browser shim for xmlhttprequest module\nimport { hasCORS } from \"../contrib/has-cors.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nexport function XHR(opts) {\n const xdomain = opts.xdomain;\n // XMLHttpRequest can be disabled on IE\n try {\n if (\"undefined\" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n }\n catch (e) { }\n if (!xdomain) {\n try {\n return new globalThis[[\"Active\"].concat(\"Object\").join(\"X\")](\"Microsoft.XMLHTTP\");\n }\n catch (e) { }\n }\n}\nexport function createCookieJar() { }\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { encodePayload, decodePayload } from \"engine.io-parser\";\nimport { createCookieJar, XHR as XMLHttpRequest, } from \"./xmlhttprequest.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions, pick } from \"../util.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nfunction empty() { }\nconst hasXHR2 = (function () {\n const xhr = new XMLHttpRequest({\n xdomain: false,\n });\n return null != xhr.responseType;\n})();\nexport class Polling extends Transport {\n /**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @package\n */\n constructor(opts) {\n super(opts);\n this.polling = false;\n if (typeof location !== \"undefined\") {\n const isSSL = \"https:\" === location.protocol;\n let port = location.port;\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? \"443\" : \"80\";\n }\n this.xd =\n (typeof location !== \"undefined\" &&\n opts.hostname !== location.hostname) ||\n port !== opts.port;\n }\n /**\n * XHR supports binary\n */\n const forceBase64 = opts && opts.forceBase64;\n this.supportsBinary = hasXHR2 && !forceBase64;\n if (this.opts.withCredentials) {\n this.cookieJar = createCookieJar();\n }\n }\n get name() {\n return \"polling\";\n }\n /**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @protected\n */\n doOpen() {\n this.poll();\n }\n /**\n * Pauses polling.\n *\n * @param {Function} onPause - callback upon buffers are flushed and transport is paused\n * @package\n */\n pause(onPause) {\n this.readyState = \"pausing\";\n const pause = () => {\n this.readyState = \"paused\";\n onPause();\n };\n if (this.polling || !this.writable) {\n let total = 0;\n if (this.polling) {\n total++;\n this.once(\"pollComplete\", function () {\n --total || pause();\n });\n }\n if (!this.writable) {\n total++;\n this.once(\"drain\", function () {\n --total || pause();\n });\n }\n }\n else {\n pause();\n }\n }\n /**\n * Starts polling cycle.\n *\n * @private\n */\n poll() {\n this.polling = true;\n this.doPoll();\n this.emitReserved(\"poll\");\n }\n /**\n * Overloads onData to detect payloads.\n *\n * @protected\n */\n onData(data) {\n const callback = (packet) => {\n // if its the first message we consider the transport open\n if (\"opening\" === this.readyState && packet.type === \"open\") {\n this.onOpen();\n }\n // if its a close packet, we close the ongoing requests\n if (\"close\" === packet.type) {\n this.onClose({ description: \"transport closed by the server\" });\n return false;\n }\n // otherwise bypass onData and handle the message\n this.onPacket(packet);\n };\n // decode payload\n decodePayload(data, this.socket.binaryType).forEach(callback);\n // if an event did not trigger closing\n if (\"closed\" !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emitReserved(\"pollComplete\");\n if (\"open\" === this.readyState) {\n this.poll();\n }\n else {\n }\n }\n }\n /**\n * For polling, send a close packet.\n *\n * @protected\n */\n doClose() {\n const close = () => {\n this.write([{ type: \"close\" }]);\n };\n if (\"open\" === this.readyState) {\n close();\n }\n else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n this.once(\"open\", close);\n }\n }\n /**\n * Writes a packets payload.\n *\n * @param {Array} packets - data packets\n * @protected\n */\n write(packets) {\n this.writable = false;\n encodePayload(packets, (data) => {\n this.doWrite(data, () => {\n this.writable = true;\n this.emitReserved(\"drain\");\n });\n });\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"https\" : \"http\";\n const query = this.query || {};\n // cache busting is forced\n if (false !== this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Creates a request.\n *\n * @param {String} method\n * @private\n */\n request(opts = {}) {\n Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts);\n return new Request(this.uri(), opts);\n }\n /**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @private\n */\n doWrite(data, fn) {\n const req = this.request({\n method: \"POST\",\n data: data,\n });\n req.on(\"success\", fn);\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr post error\", xhrStatus, context);\n });\n }\n /**\n * Starts a poll cycle.\n *\n * @private\n */\n doPoll() {\n const req = this.request();\n req.on(\"data\", this.onData.bind(this));\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr poll error\", xhrStatus, context);\n });\n this.pollXhr = req;\n }\n}\nexport class Request extends Emitter {\n /**\n * Request constructor\n *\n * @param {Object} options\n * @package\n */\n constructor(uri, opts) {\n super();\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.method = opts.method || \"GET\";\n this.uri = uri;\n this.data = undefined !== opts.data ? opts.data : null;\n this.create();\n }\n /**\n * Creates the XHR object and sends the request.\n *\n * @private\n */\n create() {\n var _a;\n const opts = pick(this.opts, \"agent\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"autoUnref\");\n opts.xdomain = !!this.opts.xd;\n const xhr = (this.xhr = new XMLHttpRequest(opts));\n try {\n xhr.open(this.method, this.uri, true);\n try {\n if (this.opts.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (let i in this.opts.extraHeaders) {\n if (this.opts.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.opts.extraHeaders[i]);\n }\n }\n }\n }\n catch (e) { }\n if (\"POST\" === this.method) {\n try {\n xhr.setRequestHeader(\"Content-type\", \"text/plain;charset=UTF-8\");\n }\n catch (e) { }\n }\n try {\n xhr.setRequestHeader(\"Accept\", \"*/*\");\n }\n catch (e) { }\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr);\n // ie6 check\n if (\"withCredentials\" in xhr) {\n xhr.withCredentials = this.opts.withCredentials;\n }\n if (this.opts.requestTimeout) {\n xhr.timeout = this.opts.requestTimeout;\n }\n xhr.onreadystatechange = () => {\n var _a;\n if (xhr.readyState === 3) {\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr);\n }\n if (4 !== xhr.readyState)\n return;\n if (200 === xhr.status || 1223 === xhr.status) {\n this.onLoad();\n }\n else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n this.setTimeoutFn(() => {\n this.onError(typeof xhr.status === \"number\" ? xhr.status : 0);\n }, 0);\n }\n };\n xhr.send(this.data);\n }\n catch (e) {\n // Need to defer since .create() is called directly from the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n this.setTimeoutFn(() => {\n this.onError(e);\n }, 0);\n return;\n }\n if (typeof document !== \"undefined\") {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n }\n /**\n * Called upon error.\n *\n * @private\n */\n onError(err) {\n this.emitReserved(\"error\", err, this.xhr);\n this.cleanup(true);\n }\n /**\n * Cleans up house.\n *\n * @private\n */\n cleanup(fromError) {\n if (\"undefined\" === typeof this.xhr || null === this.xhr) {\n return;\n }\n this.xhr.onreadystatechange = empty;\n if (fromError) {\n try {\n this.xhr.abort();\n }\n catch (e) { }\n }\n if (typeof document !== \"undefined\") {\n delete Request.requests[this.index];\n }\n this.xhr = null;\n }\n /**\n * Called upon load.\n *\n * @private\n */\n onLoad() {\n const data = this.xhr.responseText;\n if (data !== null) {\n this.emitReserved(\"data\", data);\n this.emitReserved(\"success\");\n this.cleanup();\n }\n }\n /**\n * Aborts the request.\n *\n * @package\n */\n abort() {\n this.cleanup();\n }\n}\nRequest.requestsCount = 0;\nRequest.requests = {};\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\nif (typeof document !== \"undefined\") {\n // @ts-ignore\n if (typeof attachEvent === \"function\") {\n // @ts-ignore\n attachEvent(\"onunload\", unloadHandler);\n }\n else if (typeof addEventListener === \"function\") {\n const terminationEvent = \"onpagehide\" in globalThis ? \"pagehide\" : \"unload\";\n addEventListener(terminationEvent, unloadHandler, false);\n }\n}\nfunction unloadHandler() {\n for (let i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n","import { globalThisShim as globalThis } from \"../globalThis.js\";\nexport const nextTick = (() => {\n const isPromiseAvailable = typeof Promise === \"function\" && typeof Promise.resolve === \"function\";\n if (isPromiseAvailable) {\n return (cb) => Promise.resolve().then(cb);\n }\n else {\n return (cb, setTimeoutFn) => setTimeoutFn(cb, 0);\n }\n})();\nexport const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket;\nexport const usingBrowserWebSocket = true;\nexport const defaultBinaryType = \"arraybuffer\";\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { pick } from \"../util.js\";\nimport { nextTick, usingBrowserWebSocket, WebSocket, } from \"./websocket-constructor.js\";\nimport { encodePacket } from \"engine.io-parser\";\n// detect ReactNative environment\nconst isReactNative = typeof navigator !== \"undefined\" &&\n typeof navigator.product === \"string\" &&\n navigator.product.toLowerCase() === \"reactnative\";\nexport class WS extends Transport {\n /**\n * WebSocket transport constructor.\n *\n * @param {Object} opts - connection options\n * @protected\n */\n constructor(opts) {\n super(opts);\n this.supportsBinary = !opts.forceBase64;\n }\n get name() {\n return \"websocket\";\n }\n doOpen() {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n const uri = this.uri();\n const protocols = this.opts.protocols;\n // React Native only supports the 'headers' option, and will print a warning if anything else is passed\n const opts = isReactNative\n ? {}\n : pick(this.opts, \"agent\", \"perMessageDeflate\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"localAddress\", \"protocolVersion\", \"origin\", \"maxPayload\", \"family\", \"checkServerIdentity\");\n if (this.opts.extraHeaders) {\n opts.headers = this.opts.extraHeaders;\n }\n try {\n this.ws =\n usingBrowserWebSocket && !isReactNative\n ? protocols\n ? new WebSocket(uri, protocols)\n : new WebSocket(uri)\n : new WebSocket(uri, protocols, opts);\n }\n catch (err) {\n return this.emitReserved(\"error\", err);\n }\n this.ws.binaryType = this.socket.binaryType;\n this.addEventListeners();\n }\n /**\n * Adds event listeners to the socket\n *\n * @private\n */\n addEventListeners() {\n this.ws.onopen = () => {\n if (this.opts.autoUnref) {\n this.ws._socket.unref();\n }\n this.onOpen();\n };\n this.ws.onclose = (closeEvent) => this.onClose({\n description: \"websocket connection closed\",\n context: closeEvent,\n });\n this.ws.onmessage = (ev) => this.onData(ev.data);\n this.ws.onerror = (e) => this.onError(\"websocket error\", e);\n }\n write(packets) {\n this.writable = false;\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n encodePacket(packet, this.supportsBinary, (data) => {\n // always create a new object (GH-437)\n const opts = {};\n if (!usingBrowserWebSocket) {\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n if (this.opts.perMessageDeflate) {\n const len = \n // @ts-ignore\n \"string\" === typeof data ? Buffer.byteLength(data) : data.length;\n if (len < this.opts.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n this.ws.send(data);\n }\n else {\n this.ws.send(data, opts);\n }\n }\n catch (e) {\n }\n if (lastPacket) {\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n if (typeof this.ws !== \"undefined\") {\n this.ws.close();\n this.ws = null;\n }\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"wss\" : \"ws\";\n const query = this.query || {};\n // append timestamp to URI\n if (this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @private\n */\n check() {\n return !!WebSocket;\n }\n}\n","import { Polling } from \"./polling.js\";\nimport { WS } from \"./websocket.js\";\nimport { WT } from \"./webtransport.js\";\nexport const transports = {\n websocket: WS,\n webtransport: WT,\n polling: Polling,\n};\n","import { Transport } from \"../transport.js\";\nimport { nextTick } from \"./websocket-constructor.js\";\nimport { createPacketDecoderStream, createPacketEncoderStream, } from \"engine.io-parser\";\nexport class WT extends Transport {\n get name() {\n return \"webtransport\";\n }\n doOpen() {\n // @ts-ignore\n if (typeof WebTransport !== \"function\") {\n return;\n }\n // @ts-ignore\n this.transport = new WebTransport(this.createUri(\"https\"), this.opts.transportOptions[this.name]);\n this.transport.closed\n .then(() => {\n this.onClose();\n })\n .catch((err) => {\n this.onError(\"webtransport error\", err);\n });\n // note: we could have used async/await, but that would require some additional polyfills\n this.transport.ready.then(() => {\n this.transport.createBidirectionalStream().then((stream) => {\n const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType);\n const reader = stream.readable.pipeThrough(decoderStream).getReader();\n const encoderStream = createPacketEncoderStream();\n encoderStream.readable.pipeTo(stream.writable);\n this.writer = encoderStream.writable.getWriter();\n const read = () => {\n reader\n .read()\n .then(({ done, value }) => {\n if (done) {\n return;\n }\n this.onPacket(value);\n read();\n })\n .catch((err) => {\n });\n };\n read();\n const packet = { type: \"open\" };\n if (this.query.sid) {\n packet.data = `{\"sid\":\"${this.query.sid}\"}`;\n }\n this.writer.write(packet).then(() => this.onOpen());\n });\n });\n }\n write(packets) {\n this.writable = false;\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n this.writer.write(packet).then(() => {\n if (lastPacket) {\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n var _a;\n (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close();\n }\n}\n","// imported from https://github.com/galkn/parseuri\n/**\n * Parses a URI\n *\n * Note: we could also have used the built-in URL object, but it isn't supported on all platforms.\n *\n * See:\n * - https://developer.mozilla.org/en-US/docs/Web/API/URL\n * - https://caniuse.com/url\n * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B\n *\n * History of the parse() method:\n * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c\n * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3\n * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242\n *\n * @author Steven Levithan (MIT license)\n * @api private\n */\nconst re = /^(?:(?![^:@\\/?#]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@\\/?#]*)(?::([^:@\\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\nconst parts = [\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\n];\nexport function parse(str) {\n const src = str, b = str.indexOf('['), e = str.indexOf(']');\n if (b != -1 && e != -1) {\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\n }\n let m = re.exec(str || ''), uri = {}, i = 14;\n while (i--) {\n uri[parts[i]] = m[i] || '';\n }\n if (b != -1 && e != -1) {\n uri.source = src;\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\n uri.ipv6uri = true;\n }\n uri.pathNames = pathNames(uri, uri['path']);\n uri.queryKey = queryKey(uri, uri['query']);\n return uri;\n}\nfunction pathNames(obj, path) {\n const regx = /\\/{2,9}/g, names = path.replace(regx, \"/\").split(\"/\");\n if (path.slice(0, 1) == '/' || path.length === 0) {\n names.splice(0, 1);\n }\n if (path.slice(-1) == '/') {\n names.splice(names.length - 1, 1);\n }\n return names;\n}\nfunction queryKey(uri, query) {\n const data = {};\n query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {\n if ($1) {\n data[$1] = $2;\n }\n });\n return data;\n}\n","import { transports } from \"./transports/index.js\";\nimport { installTimerFunctions, byteLength } from \"./util.js\";\nimport { decode } from \"./contrib/parseqs.js\";\nimport { parse } from \"./contrib/parseuri.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { protocol } from \"engine.io-parser\";\nimport { defaultBinaryType } from \"./transports/websocket-constructor.js\";\nexport class Socket extends Emitter {\n /**\n * Socket constructor.\n *\n * @param {String|Object} uri - uri or options\n * @param {Object} opts - options\n */\n constructor(uri, opts = {}) {\n super();\n this.binaryType = defaultBinaryType;\n this.writeBuffer = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = null;\n }\n if (uri) {\n uri = parse(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === \"https\" || uri.protocol === \"wss\";\n opts.port = uri.port;\n if (uri.query)\n opts.query = uri.query;\n }\n else if (opts.host) {\n opts.hostname = parse(opts.host).host;\n }\n installTimerFunctions(this, opts);\n this.secure =\n null != opts.secure\n ? opts.secure\n : typeof location !== \"undefined\" && \"https:\" === location.protocol;\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? \"443\" : \"80\";\n }\n this.hostname =\n opts.hostname ||\n (typeof location !== \"undefined\" ? location.hostname : \"localhost\");\n this.port =\n opts.port ||\n (typeof location !== \"undefined\" && location.port\n ? location.port\n : this.secure\n ? \"443\"\n : \"80\");\n this.transports = opts.transports || [\n \"polling\",\n \"websocket\",\n \"webtransport\",\n ];\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.opts = Object.assign({\n path: \"/engine.io\",\n agent: false,\n withCredentials: false,\n upgrade: true,\n timestampParam: \"t\",\n rememberUpgrade: false,\n addTrailingSlash: true,\n rejectUnauthorized: true,\n perMessageDeflate: {\n threshold: 1024,\n },\n transportOptions: {},\n closeOnBeforeunload: false,\n }, opts);\n this.opts.path =\n this.opts.path.replace(/\\/$/, \"\") +\n (this.opts.addTrailingSlash ? \"/\" : \"\");\n if (typeof this.opts.query === \"string\") {\n this.opts.query = decode(this.opts.query);\n }\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n // set on heartbeat\n this.pingTimeoutTimer = null;\n if (typeof addEventListener === \"function\") {\n if (this.opts.closeOnBeforeunload) {\n // Firefox closes the connection when the \"beforeunload\" event is emitted but not Chrome. This event listener\n // ensures every browser behaves the same (no \"disconnect\" event at the Socket.IO level when the page is\n // closed/reloaded)\n this.beforeunloadEventListener = () => {\n if (this.transport) {\n // silently close the transport\n this.transport.removeAllListeners();\n this.transport.close();\n }\n };\n addEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n }\n if (this.hostname !== \"localhost\") {\n this.offlineEventListener = () => {\n this.onClose(\"transport close\", {\n description: \"network connection lost\",\n });\n };\n addEventListener(\"offline\", this.offlineEventListener, false);\n }\n }\n this.open();\n }\n /**\n * Creates transport of the given type.\n *\n * @param {String} name - transport name\n * @return {Transport}\n * @private\n */\n createTransport(name) {\n const query = Object.assign({}, this.opts.query);\n // append engine.io protocol identifier\n query.EIO = protocol;\n // transport name\n query.transport = name;\n // session id if we already have one\n if (this.id)\n query.sid = this.id;\n const opts = Object.assign({}, this.opts, {\n query,\n socket: this,\n hostname: this.hostname,\n secure: this.secure,\n port: this.port,\n }, this.opts.transportOptions[name]);\n return new transports[name](opts);\n }\n /**\n * Initializes transport to use and starts probe.\n *\n * @private\n */\n open() {\n let transport;\n if (this.opts.rememberUpgrade &&\n Socket.priorWebsocketSuccess &&\n this.transports.indexOf(\"websocket\") !== -1) {\n transport = \"websocket\";\n }\n else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n this.setTimeoutFn(() => {\n this.emitReserved(\"error\", \"No transports available\");\n }, 0);\n return;\n }\n else {\n transport = this.transports[0];\n }\n this.readyState = \"opening\";\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n }\n catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n transport.open();\n this.setTransport(transport);\n }\n /**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @private\n */\n setTransport(transport) {\n if (this.transport) {\n this.transport.removeAllListeners();\n }\n // set up transport\n this.transport = transport;\n // set up transport listeners\n transport\n .on(\"drain\", this.onDrain.bind(this))\n .on(\"packet\", this.onPacket.bind(this))\n .on(\"error\", this.onError.bind(this))\n .on(\"close\", (reason) => this.onClose(\"transport close\", reason));\n }\n /**\n * Probes a transport.\n *\n * @param {String} name - transport name\n * @private\n */\n probe(name) {\n let transport = this.createTransport(name);\n let failed = false;\n Socket.priorWebsocketSuccess = false;\n const onTransportOpen = () => {\n if (failed)\n return;\n transport.send([{ type: \"ping\", data: \"probe\" }]);\n transport.once(\"packet\", (msg) => {\n if (failed)\n return;\n if (\"pong\" === msg.type && \"probe\" === msg.data) {\n this.upgrading = true;\n this.emitReserved(\"upgrading\", transport);\n if (!transport)\n return;\n Socket.priorWebsocketSuccess = \"websocket\" === transport.name;\n this.transport.pause(() => {\n if (failed)\n return;\n if (\"closed\" === this.readyState)\n return;\n cleanup();\n this.setTransport(transport);\n transport.send([{ type: \"upgrade\" }]);\n this.emitReserved(\"upgrade\", transport);\n transport = null;\n this.upgrading = false;\n this.flush();\n });\n }\n else {\n const err = new Error(\"probe error\");\n // @ts-ignore\n err.transport = transport.name;\n this.emitReserved(\"upgradeError\", err);\n }\n });\n };\n function freezeTransport() {\n if (failed)\n return;\n // Any callback called by transport should be ignored since now\n failed = true;\n cleanup();\n transport.close();\n transport = null;\n }\n // Handle any error that happens while probing\n const onerror = (err) => {\n const error = new Error(\"probe error: \" + err);\n // @ts-ignore\n error.transport = transport.name;\n freezeTransport();\n this.emitReserved(\"upgradeError\", error);\n };\n function onTransportClose() {\n onerror(\"transport closed\");\n }\n // When the socket is closed while we're probing\n function onclose() {\n onerror(\"socket closed\");\n }\n // When the socket is upgraded while we're probing\n function onupgrade(to) {\n if (transport && to.name !== transport.name) {\n freezeTransport();\n }\n }\n // Remove all listeners on the transport and on self\n const cleanup = () => {\n transport.removeListener(\"open\", onTransportOpen);\n transport.removeListener(\"error\", onerror);\n transport.removeListener(\"close\", onTransportClose);\n this.off(\"close\", onclose);\n this.off(\"upgrading\", onupgrade);\n };\n transport.once(\"open\", onTransportOpen);\n transport.once(\"error\", onerror);\n transport.once(\"close\", onTransportClose);\n this.once(\"close\", onclose);\n this.once(\"upgrading\", onupgrade);\n if (this.upgrades.indexOf(\"webtransport\") !== -1 &&\n name !== \"webtransport\") {\n // favor WebTransport\n this.setTimeoutFn(() => {\n if (!failed) {\n transport.open();\n }\n }, 200);\n }\n else {\n transport.open();\n }\n }\n /**\n * Called when connection is deemed open.\n *\n * @private\n */\n onOpen() {\n this.readyState = \"open\";\n Socket.priorWebsocketSuccess = \"websocket\" === this.transport.name;\n this.emitReserved(\"open\");\n this.flush();\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if (\"open\" === this.readyState && this.opts.upgrade) {\n let i = 0;\n const l = this.upgrades.length;\n for (; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n }\n /**\n * Handles a packet.\n *\n * @private\n */\n onPacket(packet) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n this.emitReserved(\"packet\", packet);\n // Socket is live - any packet counts\n this.emitReserved(\"heartbeat\");\n this.resetPingTimeout();\n switch (packet.type) {\n case \"open\":\n this.onHandshake(JSON.parse(packet.data));\n break;\n case \"ping\":\n this.sendPacket(\"pong\");\n this.emitReserved(\"ping\");\n this.emitReserved(\"pong\");\n break;\n case \"error\":\n const err = new Error(\"server error\");\n // @ts-ignore\n err.code = packet.data;\n this.onError(err);\n break;\n case \"message\":\n this.emitReserved(\"data\", packet.data);\n this.emitReserved(\"message\", packet.data);\n break;\n }\n }\n else {\n }\n }\n /**\n * Called upon handshake completion.\n *\n * @param {Object} data - handshake obj\n * @private\n */\n onHandshake(data) {\n this.emitReserved(\"handshake\", data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.maxPayload = data.maxPayload;\n this.onOpen();\n // In case open handler closes socket\n if (\"closed\" === this.readyState)\n return;\n this.resetPingTimeout();\n }\n /**\n * Sets and resets ping timeout timer based on server pings.\n *\n * @private\n */\n resetPingTimeout() {\n this.clearTimeoutFn(this.pingTimeoutTimer);\n this.pingTimeoutTimer = this.setTimeoutFn(() => {\n this.onClose(\"ping timeout\");\n }, this.pingInterval + this.pingTimeout);\n if (this.opts.autoUnref) {\n this.pingTimeoutTimer.unref();\n }\n }\n /**\n * Called on `drain` event\n *\n * @private\n */\n onDrain() {\n this.writeBuffer.splice(0, this.prevBufferLen);\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n if (0 === this.writeBuffer.length) {\n this.emitReserved(\"drain\");\n }\n else {\n this.flush();\n }\n }\n /**\n * Flush write buffers.\n *\n * @private\n */\n flush() {\n if (\"closed\" !== this.readyState &&\n this.transport.writable &&\n !this.upgrading &&\n this.writeBuffer.length) {\n const packets = this.getWritablePackets();\n this.transport.send(packets);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = packets.length;\n this.emitReserved(\"flush\");\n }\n }\n /**\n * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP\n * long-polling)\n *\n * @private\n */\n getWritablePackets() {\n const shouldCheckPayloadSize = this.maxPayload &&\n this.transport.name === \"polling\" &&\n this.writeBuffer.length > 1;\n if (!shouldCheckPayloadSize) {\n return this.writeBuffer;\n }\n let payloadSize = 1; // first packet type\n for (let i = 0; i < this.writeBuffer.length; i++) {\n const data = this.writeBuffer[i].data;\n if (data) {\n payloadSize += byteLength(data);\n }\n if (i > 0 && payloadSize > this.maxPayload) {\n return this.writeBuffer.slice(0, i);\n }\n payloadSize += 2; // separator + packet type\n }\n return this.writeBuffer;\n }\n /**\n * Sends a message.\n *\n * @param {String} msg - message.\n * @param {Object} options.\n * @param {Function} callback function.\n * @return {Socket} for chaining.\n */\n write(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n send(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n /**\n * Sends a packet.\n *\n * @param {String} type: packet type.\n * @param {String} data.\n * @param {Object} options.\n * @param {Function} fn - callback function.\n * @private\n */\n sendPacket(type, data, options, fn) {\n if (\"function\" === typeof data) {\n fn = data;\n data = undefined;\n }\n if (\"function\" === typeof options) {\n fn = options;\n options = null;\n }\n if (\"closing\" === this.readyState || \"closed\" === this.readyState) {\n return;\n }\n options = options || {};\n options.compress = false !== options.compress;\n const packet = {\n type: type,\n data: data,\n options: options,\n };\n this.emitReserved(\"packetCreate\", packet);\n this.writeBuffer.push(packet);\n if (fn)\n this.once(\"flush\", fn);\n this.flush();\n }\n /**\n * Closes the connection.\n */\n close() {\n const close = () => {\n this.onClose(\"forced close\");\n this.transport.close();\n };\n const cleanupAndClose = () => {\n this.off(\"upgrade\", cleanupAndClose);\n this.off(\"upgradeError\", cleanupAndClose);\n close();\n };\n const waitForUpgrade = () => {\n // wait for upgrade to finish since we can't send packets while pausing a transport\n this.once(\"upgrade\", cleanupAndClose);\n this.once(\"upgradeError\", cleanupAndClose);\n };\n if (\"opening\" === this.readyState || \"open\" === this.readyState) {\n this.readyState = \"closing\";\n if (this.writeBuffer.length) {\n this.once(\"drain\", () => {\n if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n });\n }\n else if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n }\n return this;\n }\n /**\n * Called upon transport error\n *\n * @private\n */\n onError(err) {\n Socket.priorWebsocketSuccess = false;\n this.emitReserved(\"error\", err);\n this.onClose(\"transport error\", err);\n }\n /**\n * Called upon transport close.\n *\n * @private\n */\n onClose(reason, description) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n // clear timers\n this.clearTimeoutFn(this.pingTimeoutTimer);\n // stop event from firing again for transport\n this.transport.removeAllListeners(\"close\");\n // ensure transport won't stay open\n this.transport.close();\n // ignore further transport communication\n this.transport.removeAllListeners();\n if (typeof removeEventListener === \"function\") {\n removeEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n removeEventListener(\"offline\", this.offlineEventListener, false);\n }\n // set ready state\n this.readyState = \"closed\";\n // clear session id\n this.id = null;\n // emit close event\n this.emitReserved(\"close\", reason, description);\n // clean buffers after, so users can still\n // grab the buffers on `close` event\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n }\n }\n /**\n * Filters upgrades, returning only those matching client transports.\n *\n * @param {Array} upgrades - server upgrades\n * @private\n */\n filterUpgrades(upgrades) {\n const filteredUpgrades = [];\n let i = 0;\n const j = upgrades.length;\n for (; i < j; i++) {\n if (~this.transports.indexOf(upgrades[i]))\n filteredUpgrades.push(upgrades[i]);\n }\n return filteredUpgrades;\n }\n}\nSocket.protocol = protocol;\n","const withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nconst isView = (obj) => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj.buffer instanceof ArrayBuffer;\n};\nconst toString = Object.prototype.toString;\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeFile = typeof File === \"function\" ||\n (typeof File !== \"undefined\" &&\n toString.call(File) === \"[object FileConstructor]\");\n/**\n * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File.\n *\n * @private\n */\nexport function isBinary(obj) {\n return ((withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) ||\n (withNativeBlob && obj instanceof Blob) ||\n (withNativeFile && obj instanceof File));\n}\nexport function hasBinary(obj, toJSON) {\n if (!obj || typeof obj !== \"object\") {\n return false;\n }\n if (Array.isArray(obj)) {\n for (let i = 0, l = obj.length; i < l; i++) {\n if (hasBinary(obj[i])) {\n return true;\n }\n }\n return false;\n }\n if (isBinary(obj)) {\n return true;\n }\n if (obj.toJSON &&\n typeof obj.toJSON === \"function\" &&\n arguments.length === 1) {\n return hasBinary(obj.toJSON(), true);\n }\n for (const key in obj) {\n if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {\n return true;\n }\n }\n return false;\n}\n","import { isBinary } from \"./is-binary.js\";\n/**\n * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder.\n *\n * @param {Object} packet - socket.io event packet\n * @return {Object} with deconstructed packet and list of buffers\n * @public\n */\nexport function deconstructPacket(packet) {\n const buffers = [];\n const packetData = packet.data;\n const pack = packet;\n pack.data = _deconstructPacket(packetData, buffers);\n pack.attachments = buffers.length; // number of binary 'attachments'\n return { packet: pack, buffers: buffers };\n}\nfunction _deconstructPacket(data, buffers) {\n if (!data)\n return data;\n if (isBinary(data)) {\n const placeholder = { _placeholder: true, num: buffers.length };\n buffers.push(data);\n return placeholder;\n }\n else if (Array.isArray(data)) {\n const newData = new Array(data.length);\n for (let i = 0; i < data.length; i++) {\n newData[i] = _deconstructPacket(data[i], buffers);\n }\n return newData;\n }\n else if (typeof data === \"object\" && !(data instanceof Date)) {\n const newData = {};\n for (const key in data) {\n if (Object.prototype.hasOwnProperty.call(data, key)) {\n newData[key] = _deconstructPacket(data[key], buffers);\n }\n }\n return newData;\n }\n return data;\n}\n/**\n * Reconstructs a binary packet from its placeholder packet and buffers\n *\n * @param {Object} packet - event packet with placeholders\n * @param {Array} buffers - binary buffers to put in placeholder positions\n * @return {Object} reconstructed packet\n * @public\n */\nexport function reconstructPacket(packet, buffers) {\n packet.data = _reconstructPacket(packet.data, buffers);\n delete packet.attachments; // no longer useful\n return packet;\n}\nfunction _reconstructPacket(data, buffers) {\n if (!data)\n return data;\n if (data && data._placeholder === true) {\n const isIndexValid = typeof data.num === \"number\" &&\n data.num >= 0 &&\n data.num < buffers.length;\n if (isIndexValid) {\n return buffers[data.num]; // appropriate buffer (should be natural order anyway)\n }\n else {\n throw new Error(\"illegal attachments\");\n }\n }\n else if (Array.isArray(data)) {\n for (let i = 0; i < data.length; i++) {\n data[i] = _reconstructPacket(data[i], buffers);\n }\n }\n else if (typeof data === \"object\") {\n for (const key in data) {\n if (Object.prototype.hasOwnProperty.call(data, key)) {\n data[key] = _reconstructPacket(data[key], buffers);\n }\n }\n }\n return data;\n}\n","import { Emitter } from \"@socket.io/component-emitter\";\nimport { deconstructPacket, reconstructPacket } from \"./binary.js\";\nimport { isBinary, hasBinary } from \"./is-binary.js\";\n/**\n * These strings must not be used as event names, as they have a special meaning.\n */\nconst RESERVED_EVENTS = [\n \"connect\",\n \"connect_error\",\n \"disconnect\",\n \"disconnecting\",\n \"newListener\",\n \"removeListener\", // used by the Node.js EventEmitter\n];\n/**\n * Protocol version.\n *\n * @public\n */\nexport const protocol = 5;\nexport var PacketType;\n(function (PacketType) {\n PacketType[PacketType[\"CONNECT\"] = 0] = \"CONNECT\";\n PacketType[PacketType[\"DISCONNECT\"] = 1] = \"DISCONNECT\";\n PacketType[PacketType[\"EVENT\"] = 2] = \"EVENT\";\n PacketType[PacketType[\"ACK\"] = 3] = \"ACK\";\n PacketType[PacketType[\"CONNECT_ERROR\"] = 4] = \"CONNECT_ERROR\";\n PacketType[PacketType[\"BINARY_EVENT\"] = 5] = \"BINARY_EVENT\";\n PacketType[PacketType[\"BINARY_ACK\"] = 6] = \"BINARY_ACK\";\n})(PacketType || (PacketType = {}));\n/**\n * A socket.io Encoder instance\n */\nexport class Encoder {\n /**\n * Encoder constructor\n *\n * @param {function} replacer - custom replacer to pass down to JSON.parse\n */\n constructor(replacer) {\n this.replacer = replacer;\n }\n /**\n * Encode a packet as a single string if non-binary, or as a\n * buffer sequence, depending on packet type.\n *\n * @param {Object} obj - packet object\n */\n encode(obj) {\n if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) {\n if (hasBinary(obj)) {\n return this.encodeAsBinary({\n type: obj.type === PacketType.EVENT\n ? PacketType.BINARY_EVENT\n : PacketType.BINARY_ACK,\n nsp: obj.nsp,\n data: obj.data,\n id: obj.id,\n });\n }\n }\n return [this.encodeAsString(obj)];\n }\n /**\n * Encode packet as string.\n */\n encodeAsString(obj) {\n // first is type\n let str = \"\" + obj.type;\n // attachments if we have them\n if (obj.type === PacketType.BINARY_EVENT ||\n obj.type === PacketType.BINARY_ACK) {\n str += obj.attachments + \"-\";\n }\n // if we have a namespace other than `/`\n // we append it followed by a comma `,`\n if (obj.nsp && \"/\" !== obj.nsp) {\n str += obj.nsp + \",\";\n }\n // immediately followed by the id\n if (null != obj.id) {\n str += obj.id;\n }\n // json data\n if (null != obj.data) {\n str += JSON.stringify(obj.data, this.replacer);\n }\n return str;\n }\n /**\n * Encode packet as 'buffer sequence' by removing blobs, and\n * deconstructing packet into object with placeholders and\n * a list of buffers.\n */\n encodeAsBinary(obj) {\n const deconstruction = deconstructPacket(obj);\n const pack = this.encodeAsString(deconstruction.packet);\n const buffers = deconstruction.buffers;\n buffers.unshift(pack); // add packet info to beginning of data list\n return buffers; // write all the buffers\n }\n}\n// see https://stackoverflow.com/questions/8511281/check-if-a-value-is-an-object-in-javascript\nfunction isObject(value) {\n return Object.prototype.toString.call(value) === \"[object Object]\";\n}\n/**\n * A socket.io Decoder instance\n *\n * @return {Object} decoder\n */\nexport class Decoder extends Emitter {\n /**\n * Decoder constructor\n *\n * @param {function} reviver - custom reviver to pass down to JSON.stringify\n */\n constructor(reviver) {\n super();\n this.reviver = reviver;\n }\n /**\n * Decodes an encoded packet string into packet JSON.\n *\n * @param {String} obj - encoded packet\n */\n add(obj) {\n let packet;\n if (typeof obj === \"string\") {\n if (this.reconstructor) {\n throw new Error(\"got plaintext data when reconstructing a packet\");\n }\n packet = this.decodeString(obj);\n const isBinaryEvent = packet.type === PacketType.BINARY_EVENT;\n if (isBinaryEvent || packet.type === PacketType.BINARY_ACK) {\n packet.type = isBinaryEvent ? PacketType.EVENT : PacketType.ACK;\n // binary packet's json\n this.reconstructor = new BinaryReconstructor(packet);\n // no attachments, labeled binary but no binary data to follow\n if (packet.attachments === 0) {\n super.emitReserved(\"decoded\", packet);\n }\n }\n else {\n // non-binary full packet\n super.emitReserved(\"decoded\", packet);\n }\n }\n else if (isBinary(obj) || obj.base64) {\n // raw binary data\n if (!this.reconstructor) {\n throw new Error(\"got binary data when not reconstructing a packet\");\n }\n else {\n packet = this.reconstructor.takeBinaryData(obj);\n if (packet) {\n // received final buffer\n this.reconstructor = null;\n super.emitReserved(\"decoded\", packet);\n }\n }\n }\n else {\n throw new Error(\"Unknown type: \" + obj);\n }\n }\n /**\n * Decode a packet String (JSON data)\n *\n * @param {String} str\n * @return {Object} packet\n */\n decodeString(str) {\n let i = 0;\n // look up type\n const p = {\n type: Number(str.charAt(0)),\n };\n if (PacketType[p.type] === undefined) {\n throw new Error(\"unknown packet type \" + p.type);\n }\n // look up attachments if type binary\n if (p.type === PacketType.BINARY_EVENT ||\n p.type === PacketType.BINARY_ACK) {\n const start = i + 1;\n while (str.charAt(++i) !== \"-\" && i != str.length) { }\n const buf = str.substring(start, i);\n if (buf != Number(buf) || str.charAt(i) !== \"-\") {\n throw new Error(\"Illegal attachments\");\n }\n p.attachments = Number(buf);\n }\n // look up namespace (if any)\n if (\"/\" === str.charAt(i + 1)) {\n const start = i + 1;\n while (++i) {\n const c = str.charAt(i);\n if (\",\" === c)\n break;\n if (i === str.length)\n break;\n }\n p.nsp = str.substring(start, i);\n }\n else {\n p.nsp = \"/\";\n }\n // look up id\n const next = str.charAt(i + 1);\n if (\"\" !== next && Number(next) == next) {\n const start = i + 1;\n while (++i) {\n const c = str.charAt(i);\n if (null == c || Number(c) != c) {\n --i;\n break;\n }\n if (i === str.length)\n break;\n }\n p.id = Number(str.substring(start, i + 1));\n }\n // look up json data\n if (str.charAt(++i)) {\n const payload = this.tryParse(str.substr(i));\n if (Decoder.isPayloadValid(p.type, payload)) {\n p.data = payload;\n }\n else {\n throw new Error(\"invalid payload\");\n }\n }\n return p;\n }\n tryParse(str) {\n try {\n return JSON.parse(str, this.reviver);\n }\n catch (e) {\n return false;\n }\n }\n static isPayloadValid(type, payload) {\n switch (type) {\n case PacketType.CONNECT:\n return isObject(payload);\n case PacketType.DISCONNECT:\n return payload === undefined;\n case PacketType.CONNECT_ERROR:\n return typeof payload === \"string\" || isObject(payload);\n case PacketType.EVENT:\n case PacketType.BINARY_EVENT:\n return (Array.isArray(payload) &&\n (typeof payload[0] === \"number\" ||\n (typeof payload[0] === \"string\" &&\n RESERVED_EVENTS.indexOf(payload[0]) === -1)));\n case PacketType.ACK:\n case PacketType.BINARY_ACK:\n return Array.isArray(payload);\n }\n }\n /**\n * Deallocates a parser's resources\n */\n destroy() {\n if (this.reconstructor) {\n this.reconstructor.finishedReconstruction();\n this.reconstructor = null;\n }\n }\n}\n/**\n * A manager of a binary event's 'buffer sequence'. Should\n * be constructed whenever a packet of type BINARY_EVENT is\n * decoded.\n *\n * @param {Object} packet\n * @return {BinaryReconstructor} initialized reconstructor\n */\nclass BinaryReconstructor {\n constructor(packet) {\n this.packet = packet;\n this.buffers = [];\n this.reconPack = packet;\n }\n /**\n * Method to be called when binary data received from connection\n * after a BINARY_EVENT packet.\n *\n * @param {Buffer | ArrayBuffer} binData - the raw binary data received\n * @return {null | Object} returns null if more binary data is expected or\n * a reconstructed packet object if all buffers have been received.\n */\n takeBinaryData(binData) {\n this.buffers.push(binData);\n if (this.buffers.length === this.reconPack.attachments) {\n // done with buffer list\n const packet = reconstructPacket(this.reconPack, this.buffers);\n this.finishedReconstruction();\n return packet;\n }\n return null;\n }\n /**\n * Cleans up binary packet reconstruction variables.\n */\n finishedReconstruction() {\n this.reconPack = null;\n this.buffers = [];\n }\n}\n","export function on(obj, ev, fn) {\n obj.on(ev, fn);\n return function subDestroy() {\n obj.off(ev, fn);\n };\n}\n","import { PacketType } from \"socket.io-parser\";\nimport { on } from \"./on.js\";\nimport { Emitter, } from \"@socket.io/component-emitter\";\n/**\n * Internal events.\n * These events can't be emitted by the user.\n */\nconst RESERVED_EVENTS = Object.freeze({\n connect: 1,\n connect_error: 1,\n disconnect: 1,\n disconnecting: 1,\n // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener\n newListener: 1,\n removeListener: 1,\n});\n/**\n * A Socket is the fundamental class for interacting with the server.\n *\n * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(\"connected\");\n * });\n *\n * // send an event to the server\n * socket.emit(\"foo\", \"bar\");\n *\n * socket.on(\"foobar\", () => {\n * // an event was received from the server\n * });\n *\n * // upon disconnection\n * socket.on(\"disconnect\", (reason) => {\n * console.log(`disconnected due to ${reason}`);\n * });\n */\nexport class Socket extends Emitter {\n /**\n * `Socket` constructor.\n */\n constructor(io, nsp, opts) {\n super();\n /**\n * Whether the socket is currently connected to the server.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(socket.connected); // true\n * });\n *\n * socket.on(\"disconnect\", () => {\n * console.log(socket.connected); // false\n * });\n */\n this.connected = false;\n /**\n * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will\n * be transmitted by the server.\n */\n this.recovered = false;\n /**\n * Buffer for packets received before the CONNECT packet\n */\n this.receiveBuffer = [];\n /**\n * Buffer for packets that will be sent once the socket is connected\n */\n this.sendBuffer = [];\n /**\n * The queue of packets to be sent with retry in case of failure.\n *\n * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order.\n * @private\n */\n this._queue = [];\n /**\n * A sequence to generate the ID of the {@link QueuedPacket}.\n * @private\n */\n this._queueSeq = 0;\n this.ids = 0;\n this.acks = {};\n this.flags = {};\n this.io = io;\n this.nsp = nsp;\n if (opts && opts.auth) {\n this.auth = opts.auth;\n }\n this._opts = Object.assign({}, opts);\n if (this.io._autoConnect)\n this.open();\n }\n /**\n * Whether the socket is currently disconnected\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(socket.disconnected); // false\n * });\n *\n * socket.on(\"disconnect\", () => {\n * console.log(socket.disconnected); // true\n * });\n */\n get disconnected() {\n return !this.connected;\n }\n /**\n * Subscribe to open, close and packet events\n *\n * @private\n */\n subEvents() {\n if (this.subs)\n return;\n const io = this.io;\n this.subs = [\n on(io, \"open\", this.onopen.bind(this)),\n on(io, \"packet\", this.onpacket.bind(this)),\n on(io, \"error\", this.onerror.bind(this)),\n on(io, \"close\", this.onclose.bind(this)),\n ];\n }\n /**\n * Whether the Socket will try to reconnect when its Manager connects or reconnects.\n *\n * @example\n * const socket = io();\n *\n * console.log(socket.active); // true\n *\n * socket.on(\"disconnect\", (reason) => {\n * if (reason === \"io server disconnect\") {\n * // the disconnection was initiated by the server, you need to manually reconnect\n * console.log(socket.active); // false\n * }\n * // else the socket will automatically try to reconnect\n * console.log(socket.active); // true\n * });\n */\n get active() {\n return !!this.subs;\n }\n /**\n * \"Opens\" the socket.\n *\n * @example\n * const socket = io({\n * autoConnect: false\n * });\n *\n * socket.connect();\n */\n connect() {\n if (this.connected)\n return this;\n this.subEvents();\n if (!this.io[\"_reconnecting\"])\n this.io.open(); // ensure open\n if (\"open\" === this.io._readyState)\n this.onopen();\n return this;\n }\n /**\n * Alias for {@link connect()}.\n */\n open() {\n return this.connect();\n }\n /**\n * Sends a `message` event.\n *\n * This method mimics the WebSocket.send() method.\n *\n * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send\n *\n * @example\n * socket.send(\"hello\");\n *\n * // this is equivalent to\n * socket.emit(\"message\", \"hello\");\n *\n * @return self\n */\n send(...args) {\n args.unshift(\"message\");\n this.emit.apply(this, args);\n return this;\n }\n /**\n * Override `emit`.\n * If the event is in `events`, it's emitted normally.\n *\n * @example\n * socket.emit(\"hello\", \"world\");\n *\n * // all serializable datastructures are supported (no need to call JSON.stringify)\n * socket.emit(\"hello\", 1, \"2\", { 3: [\"4\"], 5: Uint8Array.from([6]) });\n *\n * // with an acknowledgement from the server\n * socket.emit(\"hello\", \"world\", (val) => {\n * // ...\n * });\n *\n * @return self\n */\n emit(ev, ...args) {\n if (RESERVED_EVENTS.hasOwnProperty(ev)) {\n throw new Error('\"' + ev.toString() + '\" is a reserved event name');\n }\n args.unshift(ev);\n if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) {\n this._addToQueue(args);\n return this;\n }\n const packet = {\n type: PacketType.EVENT,\n data: args,\n };\n packet.options = {};\n packet.options.compress = this.flags.compress !== false;\n // event ack callback\n if (\"function\" === typeof args[args.length - 1]) {\n const id = this.ids++;\n const ack = args.pop();\n this._registerAckCallback(id, ack);\n packet.id = id;\n }\n const isTransportWritable = this.io.engine &&\n this.io.engine.transport &&\n this.io.engine.transport.writable;\n const discardPacket = this.flags.volatile && (!isTransportWritable || !this.connected);\n if (discardPacket) {\n }\n else if (this.connected) {\n this.notifyOutgoingListeners(packet);\n this.packet(packet);\n }\n else {\n this.sendBuffer.push(packet);\n }\n this.flags = {};\n return this;\n }\n /**\n * @private\n */\n _registerAckCallback(id, ack) {\n var _a;\n const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout;\n if (timeout === undefined) {\n this.acks[id] = ack;\n return;\n }\n // @ts-ignore\n const timer = this.io.setTimeoutFn(() => {\n delete this.acks[id];\n for (let i = 0; i < this.sendBuffer.length; i++) {\n if (this.sendBuffer[i].id === id) {\n this.sendBuffer.splice(i, 1);\n }\n }\n ack.call(this, new Error(\"operation has timed out\"));\n }, timeout);\n this.acks[id] = (...args) => {\n // @ts-ignore\n this.io.clearTimeoutFn(timer);\n ack.apply(this, [null, ...args]);\n };\n }\n /**\n * Emits an event and waits for an acknowledgement\n *\n * @example\n * // without timeout\n * const response = await socket.emitWithAck(\"hello\", \"world\");\n *\n * // with a specific timeout\n * try {\n * const response = await socket.timeout(1000).emitWithAck(\"hello\", \"world\");\n * } catch (err) {\n * // the server did not acknowledge the event in the given delay\n * }\n *\n * @return a Promise that will be fulfilled when the server acknowledges the event\n */\n emitWithAck(ev, ...args) {\n // the timeout flag is optional\n const withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined;\n return new Promise((resolve, reject) => {\n args.push((arg1, arg2) => {\n if (withErr) {\n return arg1 ? reject(arg1) : resolve(arg2);\n }\n else {\n return resolve(arg1);\n }\n });\n this.emit(ev, ...args);\n });\n }\n /**\n * Add the packet to the queue.\n * @param args\n * @private\n */\n _addToQueue(args) {\n let ack;\n if (typeof args[args.length - 1] === \"function\") {\n ack = args.pop();\n }\n const packet = {\n id: this._queueSeq++,\n tryCount: 0,\n pending: false,\n args,\n flags: Object.assign({ fromQueue: true }, this.flags),\n };\n args.push((err, ...responseArgs) => {\n if (packet !== this._queue[0]) {\n // the packet has already been acknowledged\n return;\n }\n const hasError = err !== null;\n if (hasError) {\n if (packet.tryCount > this._opts.retries) {\n this._queue.shift();\n if (ack) {\n ack(err);\n }\n }\n }\n else {\n this._queue.shift();\n if (ack) {\n ack(null, ...responseArgs);\n }\n }\n packet.pending = false;\n return this._drainQueue();\n });\n this._queue.push(packet);\n this._drainQueue();\n }\n /**\n * Send the first packet of the queue, and wait for an acknowledgement from the server.\n * @param force - whether to resend a packet that has not been acknowledged yet\n *\n * @private\n */\n _drainQueue(force = false) {\n if (!this.connected || this._queue.length === 0) {\n return;\n }\n const packet = this._queue[0];\n if (packet.pending && !force) {\n return;\n }\n packet.pending = true;\n packet.tryCount++;\n this.flags = packet.flags;\n this.emit.apply(this, packet.args);\n }\n /**\n * Sends a packet.\n *\n * @param packet\n * @private\n */\n packet(packet) {\n packet.nsp = this.nsp;\n this.io._packet(packet);\n }\n /**\n * Called upon engine `open`.\n *\n * @private\n */\n onopen() {\n if (typeof this.auth == \"function\") {\n this.auth((data) => {\n this._sendConnectPacket(data);\n });\n }\n else {\n this._sendConnectPacket(this.auth);\n }\n }\n /**\n * Sends a CONNECT packet to initiate the Socket.IO session.\n *\n * @param data\n * @private\n */\n _sendConnectPacket(data) {\n this.packet({\n type: PacketType.CONNECT,\n data: this._pid\n ? Object.assign({ pid: this._pid, offset: this._lastOffset }, data)\n : data,\n });\n }\n /**\n * Called upon engine or manager `error`.\n *\n * @param err\n * @private\n */\n onerror(err) {\n if (!this.connected) {\n this.emitReserved(\"connect_error\", err);\n }\n }\n /**\n * Called upon engine `close`.\n *\n * @param reason\n * @param description\n * @private\n */\n onclose(reason, description) {\n this.connected = false;\n delete this.id;\n this.emitReserved(\"disconnect\", reason, description);\n }\n /**\n * Called with socket packet.\n *\n * @param packet\n * @private\n */\n onpacket(packet) {\n const sameNamespace = packet.nsp === this.nsp;\n if (!sameNamespace)\n return;\n switch (packet.type) {\n case PacketType.CONNECT:\n if (packet.data && packet.data.sid) {\n this.onconnect(packet.data.sid, packet.data.pid);\n }\n else {\n this.emitReserved(\"connect_error\", new Error(\"It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)\"));\n }\n break;\n case PacketType.EVENT:\n case PacketType.BINARY_EVENT:\n this.onevent(packet);\n break;\n case PacketType.ACK:\n case PacketType.BINARY_ACK:\n this.onack(packet);\n break;\n case PacketType.DISCONNECT:\n this.ondisconnect();\n break;\n case PacketType.CONNECT_ERROR:\n this.destroy();\n const err = new Error(packet.data.message);\n // @ts-ignore\n err.data = packet.data.data;\n this.emitReserved(\"connect_error\", err);\n break;\n }\n }\n /**\n * Called upon a server event.\n *\n * @param packet\n * @private\n */\n onevent(packet) {\n const args = packet.data || [];\n if (null != packet.id) {\n args.push(this.ack(packet.id));\n }\n if (this.connected) {\n this.emitEvent(args);\n }\n else {\n this.receiveBuffer.push(Object.freeze(args));\n }\n }\n emitEvent(args) {\n if (this._anyListeners && this._anyListeners.length) {\n const listeners = this._anyListeners.slice();\n for (const listener of listeners) {\n listener.apply(this, args);\n }\n }\n super.emit.apply(this, args);\n if (this._pid && args.length && typeof args[args.length - 1] === \"string\") {\n this._lastOffset = args[args.length - 1];\n }\n }\n /**\n * Produces an ack callback to emit with an event.\n *\n * @private\n */\n ack(id) {\n const self = this;\n let sent = false;\n return function (...args) {\n // prevent double callbacks\n if (sent)\n return;\n sent = true;\n self.packet({\n type: PacketType.ACK,\n id: id,\n data: args,\n });\n };\n }\n /**\n * Called upon a server acknowlegement.\n *\n * @param packet\n * @private\n */\n onack(packet) {\n const ack = this.acks[packet.id];\n if (\"function\" === typeof ack) {\n ack.apply(this, packet.data);\n delete this.acks[packet.id];\n }\n else {\n }\n }\n /**\n * Called upon server connect.\n *\n * @private\n */\n onconnect(id, pid) {\n this.id = id;\n this.recovered = pid && this._pid === pid;\n this._pid = pid; // defined only if connection state recovery is enabled\n this.connected = true;\n this.emitBuffered();\n this.emitReserved(\"connect\");\n this._drainQueue(true);\n }\n /**\n * Emit buffered events (received and emitted).\n *\n * @private\n */\n emitBuffered() {\n this.receiveBuffer.forEach((args) => this.emitEvent(args));\n this.receiveBuffer = [];\n this.sendBuffer.forEach((packet) => {\n this.notifyOutgoingListeners(packet);\n this.packet(packet);\n });\n this.sendBuffer = [];\n }\n /**\n * Called upon server disconnect.\n *\n * @private\n */\n ondisconnect() {\n this.destroy();\n this.onclose(\"io server disconnect\");\n }\n /**\n * Called upon forced client/server side disconnections,\n * this method ensures the manager stops tracking us and\n * that reconnections don't get triggered for this.\n *\n * @private\n */\n destroy() {\n if (this.subs) {\n // clean subscriptions to avoid reconnections\n this.subs.forEach((subDestroy) => subDestroy());\n this.subs = undefined;\n }\n this.io[\"_destroy\"](this);\n }\n /**\n * Disconnects the socket manually. In that case, the socket will not try to reconnect.\n *\n * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"disconnect\", (reason) => {\n * // console.log(reason); prints \"io client disconnect\"\n * });\n *\n * socket.disconnect();\n *\n * @return self\n */\n disconnect() {\n if (this.connected) {\n this.packet({ type: PacketType.DISCONNECT });\n }\n // remove socket from pool\n this.destroy();\n if (this.connected) {\n // fire events\n this.onclose(\"io client disconnect\");\n }\n return this;\n }\n /**\n * Alias for {@link disconnect()}.\n *\n * @return self\n */\n close() {\n return this.disconnect();\n }\n /**\n * Sets the compress flag.\n *\n * @example\n * socket.compress(false).emit(\"hello\");\n *\n * @param compress - if `true`, compresses the sending data\n * @return self\n */\n compress(compress) {\n this.flags.compress = compress;\n return this;\n }\n /**\n * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not\n * ready to send messages.\n *\n * @example\n * socket.volatile.emit(\"hello\"); // the server may or may not receive it\n *\n * @returns self\n */\n get volatile() {\n this.flags.volatile = true;\n return this;\n }\n /**\n * Sets a modifier for a subsequent event emission that the callback will be called with an error when the\n * given number of milliseconds have elapsed without an acknowledgement from the server:\n *\n * @example\n * socket.timeout(5000).emit(\"my-event\", (err) => {\n * if (err) {\n * // the server did not acknowledge the event in the given delay\n * }\n * });\n *\n * @returns self\n */\n timeout(timeout) {\n this.flags.timeout = timeout;\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback.\n *\n * @example\n * socket.onAny((event, ...args) => {\n * console.log(`got ${event}`);\n * });\n *\n * @param listener\n */\n onAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.push(listener);\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback. The listener is added to the beginning of the listeners array.\n *\n * @example\n * socket.prependAny((event, ...args) => {\n * console.log(`got event ${event}`);\n * });\n *\n * @param listener\n */\n prependAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.unshift(listener);\n return this;\n }\n /**\n * Removes the listener that will be fired when any event is emitted.\n *\n * @example\n * const catchAllListener = (event, ...args) => {\n * console.log(`got event ${event}`);\n * }\n *\n * socket.onAny(catchAllListener);\n *\n * // remove a specific listener\n * socket.offAny(catchAllListener);\n *\n * // or remove all listeners\n * socket.offAny();\n *\n * @param listener\n */\n offAny(listener) {\n if (!this._anyListeners) {\n return this;\n }\n if (listener) {\n const listeners = this._anyListeners;\n for (let i = 0; i < listeners.length; i++) {\n if (listener === listeners[i]) {\n listeners.splice(i, 1);\n return this;\n }\n }\n }\n else {\n this._anyListeners = [];\n }\n return this;\n }\n /**\n * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,\n * e.g. to remove listeners.\n */\n listenersAny() {\n return this._anyListeners || [];\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback.\n *\n * Note: acknowledgements sent to the server are not included.\n *\n * @example\n * socket.onAnyOutgoing((event, ...args) => {\n * console.log(`sent event ${event}`);\n * });\n *\n * @param listener\n */\n onAnyOutgoing(listener) {\n this._anyOutgoingListeners = this._anyOutgoingListeners || [];\n this._anyOutgoingListeners.push(listener);\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback. The listener is added to the beginning of the listeners array.\n *\n * Note: acknowledgements sent to the server are not included.\n *\n * @example\n * socket.prependAnyOutgoing((event, ...args) => {\n * console.log(`sent event ${event}`);\n * });\n *\n * @param listener\n */\n prependAnyOutgoing(listener) {\n this._anyOutgoingListeners = this._anyOutgoingListeners || [];\n this._anyOutgoingListeners.unshift(listener);\n return this;\n }\n /**\n * Removes the listener that will be fired when any event is emitted.\n *\n * @example\n * const catchAllListener = (event, ...args) => {\n * console.log(`sent event ${event}`);\n * }\n *\n * socket.onAnyOutgoing(catchAllListener);\n *\n * // remove a specific listener\n * socket.offAnyOutgoing(catchAllListener);\n *\n * // or remove all listeners\n * socket.offAnyOutgoing();\n *\n * @param [listener] - the catch-all listener (optional)\n */\n offAnyOutgoing(listener) {\n if (!this._anyOutgoingListeners) {\n return this;\n }\n if (listener) {\n const listeners = this._anyOutgoingListeners;\n for (let i = 0; i < listeners.length; i++) {\n if (listener === listeners[i]) {\n listeners.splice(i, 1);\n return this;\n }\n }\n }\n else {\n this._anyOutgoingListeners = [];\n }\n return this;\n }\n /**\n * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,\n * e.g. to remove listeners.\n */\n listenersAnyOutgoing() {\n return this._anyOutgoingListeners || [];\n }\n /**\n * Notify the listeners for each packet sent\n *\n * @param packet\n *\n * @private\n */\n notifyOutgoingListeners(packet) {\n if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) {\n const listeners = this._anyOutgoingListeners.slice();\n for (const listener of listeners) {\n listener.apply(this, packet.data);\n }\n }\n }\n}\n","/**\n * Initialize backoff timer with `opts`.\n *\n * - `min` initial timeout in milliseconds [100]\n * - `max` max timeout [10000]\n * - `jitter` [0]\n * - `factor` [2]\n *\n * @param {Object} opts\n * @api public\n */\nexport function Backoff(opts) {\n opts = opts || {};\n this.ms = opts.min || 100;\n this.max = opts.max || 10000;\n this.factor = opts.factor || 2;\n this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;\n this.attempts = 0;\n}\n/**\n * Return the backoff duration.\n *\n * @return {Number}\n * @api public\n */\nBackoff.prototype.duration = function () {\n var ms = this.ms * Math.pow(this.factor, this.attempts++);\n if (this.jitter) {\n var rand = Math.random();\n var deviation = Math.floor(rand * this.jitter * ms);\n ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;\n }\n return Math.min(ms, this.max) | 0;\n};\n/**\n * Reset the number of attempts.\n *\n * @api public\n */\nBackoff.prototype.reset = function () {\n this.attempts = 0;\n};\n/**\n * Set the minimum duration\n *\n * @api public\n */\nBackoff.prototype.setMin = function (min) {\n this.ms = min;\n};\n/**\n * Set the maximum duration\n *\n * @api public\n */\nBackoff.prototype.setMax = function (max) {\n this.max = max;\n};\n/**\n * Set the jitter\n *\n * @api public\n */\nBackoff.prototype.setJitter = function (jitter) {\n this.jitter = jitter;\n};\n","import { Socket as Engine, installTimerFunctions, nextTick, } from \"engine.io-client\";\nimport { Socket } from \"./socket.js\";\nimport * as parser from \"socket.io-parser\";\nimport { on } from \"./on.js\";\nimport { Backoff } from \"./contrib/backo2.js\";\nimport { Emitter, } from \"@socket.io/component-emitter\";\nexport class Manager extends Emitter {\n constructor(uri, opts) {\n var _a;\n super();\n this.nsps = {};\n this.subs = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n opts.path = opts.path || \"/socket.io\";\n this.opts = opts;\n installTimerFunctions(this, opts);\n this.reconnection(opts.reconnection !== false);\n this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);\n this.reconnectionDelay(opts.reconnectionDelay || 1000);\n this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);\n this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5);\n this.backoff = new Backoff({\n min: this.reconnectionDelay(),\n max: this.reconnectionDelayMax(),\n jitter: this.randomizationFactor(),\n });\n this.timeout(null == opts.timeout ? 20000 : opts.timeout);\n this._readyState = \"closed\";\n this.uri = uri;\n const _parser = opts.parser || parser;\n this.encoder = new _parser.Encoder();\n this.decoder = new _parser.Decoder();\n this._autoConnect = opts.autoConnect !== false;\n if (this._autoConnect)\n this.open();\n }\n reconnection(v) {\n if (!arguments.length)\n return this._reconnection;\n this._reconnection = !!v;\n return this;\n }\n reconnectionAttempts(v) {\n if (v === undefined)\n return this._reconnectionAttempts;\n this._reconnectionAttempts = v;\n return this;\n }\n reconnectionDelay(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelay;\n this._reconnectionDelay = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v);\n return this;\n }\n randomizationFactor(v) {\n var _a;\n if (v === undefined)\n return this._randomizationFactor;\n this._randomizationFactor = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v);\n return this;\n }\n reconnectionDelayMax(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelayMax;\n this._reconnectionDelayMax = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v);\n return this;\n }\n timeout(v) {\n if (!arguments.length)\n return this._timeout;\n this._timeout = v;\n return this;\n }\n /**\n * Starts trying to reconnect if reconnection is enabled and we have not\n * started reconnecting yet\n *\n * @private\n */\n maybeReconnectOnOpen() {\n // Only try to reconnect if it's the first time we're connecting\n if (!this._reconnecting &&\n this._reconnection &&\n this.backoff.attempts === 0) {\n // keeps reconnection from firing twice for the same reconnection loop\n this.reconnect();\n }\n }\n /**\n * Sets the current transport `socket`.\n *\n * @param {Function} fn - optional, callback\n * @return self\n * @public\n */\n open(fn) {\n if (~this._readyState.indexOf(\"open\"))\n return this;\n this.engine = new Engine(this.uri, this.opts);\n const socket = this.engine;\n const self = this;\n this._readyState = \"opening\";\n this.skipReconnect = false;\n // emit `open`\n const openSubDestroy = on(socket, \"open\", function () {\n self.onopen();\n fn && fn();\n });\n const onError = (err) => {\n this.cleanup();\n this._readyState = \"closed\";\n this.emitReserved(\"error\", err);\n if (fn) {\n fn(err);\n }\n else {\n // Only do this if there is no fn to handle the error\n this.maybeReconnectOnOpen();\n }\n };\n // emit `error`\n const errorSub = on(socket, \"error\", onError);\n if (false !== this._timeout) {\n const timeout = this._timeout;\n // set timer\n const timer = this.setTimeoutFn(() => {\n openSubDestroy();\n onError(new Error(\"timeout\"));\n socket.close();\n }, timeout);\n if (this.opts.autoUnref) {\n timer.unref();\n }\n this.subs.push(() => {\n this.clearTimeoutFn(timer);\n });\n }\n this.subs.push(openSubDestroy);\n this.subs.push(errorSub);\n return this;\n }\n /**\n * Alias for open()\n *\n * @return self\n * @public\n */\n connect(fn) {\n return this.open(fn);\n }\n /**\n * Called upon transport open.\n *\n * @private\n */\n onopen() {\n // clear old subs\n this.cleanup();\n // mark as open\n this._readyState = \"open\";\n this.emitReserved(\"open\");\n // add new subs\n const socket = this.engine;\n this.subs.push(on(socket, \"ping\", this.onping.bind(this)), on(socket, \"data\", this.ondata.bind(this)), on(socket, \"error\", this.onerror.bind(this)), on(socket, \"close\", this.onclose.bind(this)), on(this.decoder, \"decoded\", this.ondecoded.bind(this)));\n }\n /**\n * Called upon a ping.\n *\n * @private\n */\n onping() {\n this.emitReserved(\"ping\");\n }\n /**\n * Called with data.\n *\n * @private\n */\n ondata(data) {\n try {\n this.decoder.add(data);\n }\n catch (e) {\n this.onclose(\"parse error\", e);\n }\n }\n /**\n * Called when parser fully decodes a packet.\n *\n * @private\n */\n ondecoded(packet) {\n // the 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Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { - o.__proto__ = p; - return o; - }; - return _setPrototypeOf(o, p); - } - function _isNativeReflectConstruct() { - if (typeof Reflect === "undefined" || !Reflect.construct) return false; - if (Reflect.construct.sham) return false; - if (typeof Proxy === "function") return true; - try { - Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); - return true; - } catch (e) { - return false; - } - } - function _construct(Parent, args, Class) { - if (_isNativeReflectConstruct()) { - _construct = Reflect.construct.bind(); - } else { - _construct = function _construct(Parent, args, Class) { - var a = [null]; - a.push.apply(a, args); - var Constructor = Function.bind.apply(Parent, a); - var instance = new Constructor(); - if (Class) _setPrototypeOf(instance, Class.prototype); - return instance; - }; - } - return _construct.apply(null, arguments); - } - function _isNativeFunction(fn) { - return Function.toString.call(fn).indexOf("[native code]") !== -1; - } - function _wrapNativeSuper(Class) { - var _cache = typeof Map === "function" ? new Map() : undefined; - _wrapNativeSuper = function _wrapNativeSuper(Class) { - if (Class === null || !_isNativeFunction(Class)) return Class; - if (typeof Class !== "function") { - throw new TypeError("Super expression must either be null or a function"); - } - if (typeof _cache !== "undefined") { - if (_cache.has(Class)) return _cache.get(Class); - _cache.set(Class, Wrapper); - } - function Wrapper() { - return _construct(Class, arguments, _getPrototypeOf(this).constructor); - } - Wrapper.prototype = Object.create(Class.prototype, { - constructor: { - value: Wrapper, - enumerable: false, - writable: true, - configurable: true - } - }); - return _setPrototypeOf(Wrapper, Class); - }; - return _wrapNativeSuper(Class); - } - function _assertThisInitialized(self) { - if (self === void 0) { - throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); - } - return self; - } - function _possibleConstructorReturn(self, call) { - if (call && (typeof call === "object" || typeof call === "function")) { - return call; - } else if (call !== void 0) { - throw new TypeError("Derived constructors may only return object or undefined"); - } - return _assertThisInitialized(self); - } - function _createSuper(Derived) { - var hasNativeReflectConstruct = _isNativeReflectConstruct(); - return function _createSuperInternal() { - var Super = _getPrototypeOf(Derived), - result; - if (hasNativeReflectConstruct) { - var NewTarget = _getPrototypeOf(this).constructor; - result = Reflect.construct(Super, arguments, NewTarget); - } else { - result = Super.apply(this, arguments); - } - return _possibleConstructorReturn(this, result); - }; - } - function _superPropBase(object, property) { - while (!Object.prototype.hasOwnProperty.call(object, property)) { - object = _getPrototypeOf(object); - if (object === null) break; - } - return object; - } - function _get() { - if (typeof Reflect !== "undefined" && Reflect.get) { - _get = Reflect.get.bind(); - } else { - _get = function _get(target, property, receiver) { - var base = _superPropBase(target, property); - if (!base) return; - var desc = Object.getOwnPropertyDescriptor(base, property); - if (desc.get) { - return desc.get.call(arguments.length < 3 ? target : receiver); - } - return desc.value; - }; - } - return _get.apply(this, arguments); - } - function _unsupportedIterableToArray(o, minLen) { - if (!o) return; - if (typeof o === "string") return _arrayLikeToArray(o, minLen); - var n = Object.prototype.toString.call(o).slice(8, -1); - if (n === "Object" && o.constructor) n = o.constructor.name; - if (n === "Map" || n === "Set") return Array.from(o); - if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); - } - function _arrayLikeToArray(arr, len) { - if (len == null || len > arr.length) len = arr.length; - for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; - return arr2; - } - function _createForOfIteratorHelper(o, allowArrayLike) { - var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; - if (!it) { - if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { - if (it) o = it; - var i = 0; - var F = function () {}; - return { - s: F, - n: function () { - if (i >= o.length) return { - done: true - }; - return { - done: false, - value: o[i++] - }; - }, - e: function (e) { - throw e; - }, - f: F - }; - } - throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); - } - var normalCompletion = true, - didErr = false, - err; - return { - s: function () { - it = it.call(o); - }, - n: function () { - var step = it.next(); - normalCompletion = step.done; - return step; - }, - e: function (e) { - didErr = true; - err = e; - }, - f: function () { - try { - if (!normalCompletion && it.return != null) it.return(); - } finally { - if (didErr) throw err; - } - } - }; - } - function _toPrimitive(input, hint) { - if (typeof input !== "object" || input === null) return input; - var prim = input[Symbol.toPrimitive]; - if (prim !== undefined) { - var res = prim.call(input, hint || "default"); - if (typeof res !== "object") return res; - throw new TypeError("@@toPrimitive must return a primitive value."); - } - return (hint === "string" ? String : Number)(input); - } - function _toPropertyKey(arg) { - var key = _toPrimitive(arg, "string"); - return typeof key === "symbol" ? key : String(key); - } - - var PACKET_TYPES = Object.create(null); // no Map = no polyfill - PACKET_TYPES["open"] = "0"; - PACKET_TYPES["close"] = "1"; - PACKET_TYPES["ping"] = "2"; - PACKET_TYPES["pong"] = "3"; - PACKET_TYPES["message"] = "4"; - PACKET_TYPES["upgrade"] = "5"; - PACKET_TYPES["noop"] = "6"; - var PACKET_TYPES_REVERSE = Object.create(null); - Object.keys(PACKET_TYPES).forEach(function (key) { - PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key; - }); - var ERROR_PACKET = { - type: "error", - data: "parser error" - }; - - var withNativeBlob$1 = typeof Blob === "function" || typeof Blob !== "undefined" && Object.prototype.toString.call(Blob) === "[object BlobConstructor]"; - var withNativeArrayBuffer$2 = typeof ArrayBuffer === "function"; - // ArrayBuffer.isView method is not defined in IE10 - var isView$1 = function isView(obj) { - return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj && obj.buffer instanceof ArrayBuffer; - }; - var encodePacket = function encodePacket(_ref, supportsBinary, callback) { - var type = _ref.type, - data = _ref.data; - if (withNativeBlob$1 && data instanceof Blob) { - if (supportsBinary) { - return callback(data); - } else { - return encodeBlobAsBase64(data, callback); - } - } else if (withNativeArrayBuffer$2 && (data instanceof ArrayBuffer || isView$1(data))) { - if (supportsBinary) { - return callback(data); - } else { - return encodeBlobAsBase64(new Blob([data]), callback); - } - } - // plain string - return callback(PACKET_TYPES[type] + (data || "")); - }; - var encodeBlobAsBase64 = function encodeBlobAsBase64(data, callback) { - var fileReader = new FileReader(); - fileReader.onload = function () { - var content = fileReader.result.split(",")[1]; - callback("b" + (content || "")); - }; - return fileReader.readAsDataURL(data); - }; - function toArray(data) { - if (data instanceof Uint8Array) { - return data; - } else if (data instanceof ArrayBuffer) { - return new Uint8Array(data); - } else { - return new Uint8Array(data.buffer, data.byteOffset, data.byteLength); - } - } - var TEXT_ENCODER; - function encodePacketToBinary(packet, callback) { - if (withNativeBlob$1 && packet.data instanceof Blob) { - return packet.data.arrayBuffer().then(toArray).then(callback); - } else if (withNativeArrayBuffer$2 && (packet.data instanceof ArrayBuffer || isView$1(packet.data))) { - return callback(toArray(packet.data)); - } - encodePacket(packet, false, function (encoded) { - if (!TEXT_ENCODER) { - TEXT_ENCODER = new TextEncoder(); - } - callback(TEXT_ENCODER.encode(encoded)); - }); - } - - // imported from https://github.com/socketio/base64-arraybuffer - var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; - // Use a lookup table to find the index. - var lookup$1 = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256); - for (var i$1 = 0; i$1 < chars.length; i$1++) { - lookup$1[chars.charCodeAt(i$1)] = i$1; - } - var decode$1 = function decode(base64) { - var bufferLength = base64.length * 0.75, - len = base64.length, - i, - p = 0, - encoded1, - encoded2, - encoded3, - encoded4; - if (base64[base64.length - 1] === '=') { - bufferLength--; - if (base64[base64.length - 2] === '=') { - bufferLength--; - } - } - var arraybuffer = new ArrayBuffer(bufferLength), - bytes = new Uint8Array(arraybuffer); - for (i = 0; i < len; i += 4) { - encoded1 = lookup$1[base64.charCodeAt(i)]; - encoded2 = lookup$1[base64.charCodeAt(i + 1)]; - encoded3 = lookup$1[base64.charCodeAt(i + 2)]; - encoded4 = lookup$1[base64.charCodeAt(i + 3)]; - bytes[p++] = encoded1 << 2 | encoded2 >> 4; - bytes[p++] = (encoded2 & 15) << 4 | encoded3 >> 2; - bytes[p++] = (encoded3 & 3) << 6 | encoded4 & 63; - } - return arraybuffer; - }; - - var withNativeArrayBuffer$1 = typeof ArrayBuffer === "function"; - var decodePacket = function decodePacket(encodedPacket, binaryType) { - if (typeof encodedPacket !== "string") { - return { - type: "message", - data: mapBinary(encodedPacket, binaryType) - }; - } - var type = encodedPacket.charAt(0); - if (type === "b") { - return { - type: "message", - data: decodeBase64Packet(encodedPacket.substring(1), binaryType) - }; - } - var packetType = PACKET_TYPES_REVERSE[type]; - if (!packetType) { - return ERROR_PACKET; - } - return encodedPacket.length > 1 ? { - type: PACKET_TYPES_REVERSE[type], - data: encodedPacket.substring(1) - } : { - type: PACKET_TYPES_REVERSE[type] - }; - }; - var decodeBase64Packet = function decodeBase64Packet(data, binaryType) { - if (withNativeArrayBuffer$1) { - var decoded = decode$1(data); - return mapBinary(decoded, binaryType); - } else { - return { - base64: true, - data: data - }; // fallback for old browsers - } - }; - - var mapBinary = function mapBinary(data, binaryType) { - switch (binaryType) { - case "blob": - if (data instanceof Blob) { - // from WebSocket + binaryType "blob" - return data; - } else { - // from HTTP long-polling or WebTransport - return new Blob([data]); - } - case "arraybuffer": - default: - if (data instanceof ArrayBuffer) { - // from HTTP long-polling (base64) or WebSocket + binaryType "arraybuffer" - return data; - } else { - // from WebTransport (Uint8Array) - return data.buffer; - } - } - }; - - var SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text - var encodePayload = function encodePayload(packets, callback) { - // some packets may be added to the array while encoding, so the initial length must be saved - var length = packets.length; - var encodedPackets = new Array(length); - var count = 0; - packets.forEach(function (packet, i) { - // force base64 encoding for binary packets - encodePacket(packet, false, function (encodedPacket) { - encodedPackets[i] = encodedPacket; - if (++count === length) { - callback(encodedPackets.join(SEPARATOR)); - } - }); - }); - }; - var decodePayload = function decodePayload(encodedPayload, binaryType) { - var encodedPackets = encodedPayload.split(SEPARATOR); - var packets = []; - for (var i = 0; i < encodedPackets.length; i++) { - var decodedPacket = decodePacket(encodedPackets[i], binaryType); - packets.push(decodedPacket); - if (decodedPacket.type === "error") { - break; - } - } - return packets; - }; - function createPacketEncoderStream() { - return new TransformStream({ - transform: function transform(packet, controller) { - encodePacketToBinary(packet, function (encodedPacket) { - var payloadLength = encodedPacket.length; - var header; - // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length - if (payloadLength < 126) { - header = new Uint8Array(1); - new DataView(header.buffer).setUint8(0, payloadLength); - } else if (payloadLength < 65536) { - header = new Uint8Array(3); - var view = new DataView(header.buffer); - view.setUint8(0, 126); - view.setUint16(1, payloadLength); - } else { - header = new Uint8Array(9); - var _view = new DataView(header.buffer); - _view.setUint8(0, 127); - _view.setBigUint64(1, BigInt(payloadLength)); - } - // first bit indicates whether the payload is plain text (0) or binary (1) - if (packet.data && typeof packet.data !== "string") { - header[0] |= 0x80; - } - controller.enqueue(header); - controller.enqueue(encodedPacket); - }); - } - }); - } - var TEXT_DECODER; - function totalLength(chunks) { - return chunks.reduce(function (acc, chunk) { - return acc + chunk.length; - }, 0); - } - function concatChunks(chunks, size) { - if (chunks[0].length === size) { - return chunks.shift(); - } - var buffer = new Uint8Array(size); - var j = 0; - for (var i = 0; i < size; i++) { - buffer[i] = chunks[0][j++]; - if (j === chunks[0].length) { - chunks.shift(); - j = 0; - } - } - if (chunks.length && j < chunks[0].length) { - chunks[0] = chunks[0].slice(j); - } - return buffer; - } - function createPacketDecoderStream(maxPayload, binaryType) { - if (!TEXT_DECODER) { - TEXT_DECODER = new TextDecoder(); - } - var chunks = []; - var state = 0 /* READ_HEADER */; - var expectedLength = -1; - var isBinary = false; - return new TransformStream({ - transform: function transform(chunk, controller) { - chunks.push(chunk); - while (true) { - if (state === 0 /* READ_HEADER */) { - if (totalLength(chunks) < 1) { - break; - } - var header = concatChunks(chunks, 1); - isBinary = (header[0] & 0x80) === 0x80; - expectedLength = header[0] & 0x7f; - if (expectedLength < 126) { - state = 3 /* READ_PAYLOAD */; - } else if (expectedLength === 126) { - state = 1 /* READ_EXTENDED_LENGTH_16 */; - } else { - state = 2 /* READ_EXTENDED_LENGTH_64 */; - } - } else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) { - if (totalLength(chunks) < 2) { - break; - } - var headerArray = concatChunks(chunks, 2); - expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0); - state = 3 /* READ_PAYLOAD */; - } else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) { - if (totalLength(chunks) < 8) { - break; - } - var _headerArray = concatChunks(chunks, 8); - var view = new DataView(_headerArray.buffer, _headerArray.byteOffset, _headerArray.length); - var n = view.getUint32(0); - if (n > Math.pow(2, 53 - 32) - 1) { - // the maximum safe integer in JavaScript is 2^53 - 1 - controller.enqueue(ERROR_PACKET); - break; - } - expectedLength = n * Math.pow(2, 32) + view.getUint32(4); - state = 3 /* READ_PAYLOAD */; - } else { - if (totalLength(chunks) < expectedLength) { - break; - } - var data = concatChunks(chunks, expectedLength); - controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType)); - state = 0 /* READ_HEADER */; - } - - if (expectedLength === 0 || expectedLength > maxPayload) { - controller.enqueue(ERROR_PACKET); - break; - } - } - } - }); - } - var protocol$1 = 4; - - /** - * Initialize a new `Emitter`. - * - * @api public - */ - - function Emitter(obj) { - if (obj) return mixin(obj); - } - - /** - * Mixin the emitter properties. - * - * @param {Object} obj - * @return {Object} - * @api private - */ - - function mixin(obj) { - for (var key in Emitter.prototype) { - obj[key] = Emitter.prototype[key]; - } - return obj; - } - - /** - * Listen on the given `event` with `fn`. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ - - Emitter.prototype.on = Emitter.prototype.addEventListener = function (event, fn) { - this._callbacks = this._callbacks || {}; - (this._callbacks['$' + event] = this._callbacks['$' + event] || []).push(fn); - return this; - }; - - /** - * Adds an `event` listener that will be invoked a single - * time then automatically removed. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ - - Emitter.prototype.once = function (event, fn) { - function on() { - this.off(event, on); - fn.apply(this, arguments); - } - on.fn = fn; - this.on(event, on); - return this; - }; - - /** - * Remove the given callback for `event` or all - * registered callbacks. - * - * @param {String} event - * @param {Function} fn - * @return {Emitter} - * @api public - */ - - Emitter.prototype.off = Emitter.prototype.removeListener = Emitter.prototype.removeAllListeners = Emitter.prototype.removeEventListener = function (event, fn) { - this._callbacks = this._callbacks || {}; - - // all - if (0 == arguments.length) { - this._callbacks = {}; - return this; - } - - // specific event - var callbacks = this._callbacks['$' + event]; - if (!callbacks) return this; - - // remove all handlers - if (1 == arguments.length) { - delete this._callbacks['$' + event]; - return this; - } - - // remove specific handler - var cb; - for (var i = 0; i < callbacks.length; i++) { - cb = callbacks[i]; - if (cb === fn || cb.fn === fn) { - callbacks.splice(i, 1); - break; - } - } - - // Remove event specific arrays for event types that no - // one is subscribed for to avoid memory leak. - if (callbacks.length === 0) { - delete this._callbacks['$' + event]; - } - return this; - }; - - /** - * Emit `event` with the given args. - * - * @param {String} event - * @param {Mixed} ... - * @return {Emitter} - */ - - Emitter.prototype.emit = function (event) { - this._callbacks = this._callbacks || {}; - var args = new Array(arguments.length - 1), - callbacks = this._callbacks['$' + event]; - for (var i = 1; i < arguments.length; i++) { - args[i - 1] = arguments[i]; - } - if (callbacks) { - callbacks = callbacks.slice(0); - for (var i = 0, len = callbacks.length; i < len; ++i) { - callbacks[i].apply(this, args); - } - } - return this; - }; - - // alias used for reserved events (protected method) - Emitter.prototype.emitReserved = Emitter.prototype.emit; - - /** - * Return array of callbacks for `event`. - * - * @param {String} event - * @return {Array} - * @api public - */ - - Emitter.prototype.listeners = function (event) { - this._callbacks = this._callbacks || {}; - return this._callbacks['$' + event] || []; - }; - - /** - * Check if this emitter has `event` handlers. - * - * @param {String} event - * @return {Boolean} - * @api public - */ - - Emitter.prototype.hasListeners = function (event) { - return !!this.listeners(event).length; - }; - - var globalThisShim = function () { - if (typeof self !== "undefined") { - return self; - } else if (typeof window !== "undefined") { - return window; - } else { - return Function("return this")(); - } - }(); - - function pick(obj) { - for (var _len = arguments.length, attr = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { - attr[_key - 1] = arguments[_key]; - } - return attr.reduce(function (acc, k) { - if (obj.hasOwnProperty(k)) { - acc[k] = obj[k]; - } - return acc; - }, {}); - } - // Keep a reference to the real timeout functions so they can be used when overridden - var NATIVE_SET_TIMEOUT = globalThisShim.setTimeout; - var NATIVE_CLEAR_TIMEOUT = globalThisShim.clearTimeout; - function installTimerFunctions(obj, opts) { - if (opts.useNativeTimers) { - obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThisShim); - obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThisShim); - } else { - obj.setTimeoutFn = globalThisShim.setTimeout.bind(globalThisShim); - obj.clearTimeoutFn = globalThisShim.clearTimeout.bind(globalThisShim); - } - } - // base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64) - var BASE64_OVERHEAD = 1.33; - // we could also have used `new Blob([obj]).size`, but it isn't supported in IE9 - function byteLength(obj) { - if (typeof obj === "string") { - return utf8Length(obj); - } - // arraybuffer or blob - return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD); - } - function utf8Length(str) { - var c = 0, - length = 0; - for (var i = 0, l = str.length; i < l; i++) { - c = str.charCodeAt(i); - if (c < 0x80) { - length += 1; - } else if (c < 0x800) { - length += 2; - } else if (c < 0xd800 || c >= 0xe000) { - length += 3; - } else { - i++; - length += 4; - } - } - return length; - } - - // imported from https://github.com/galkn/querystring - /** - * Compiles a querystring - * Returns string representation of the object - * - * @param {Object} - * @api private - */ - function encode$1(obj) { - var str = ''; - for (var i in obj) { - if (obj.hasOwnProperty(i)) { - if (str.length) str += '&'; - str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]); - } - } - return str; - } - /** - * Parses a simple querystring into an object - * - * @param {String} qs - * @api private - */ - function decode(qs) { - var qry = {}; - var pairs = qs.split('&'); - for (var i = 0, l = pairs.length; i < l; i++) { - var pair = pairs[i].split('='); - qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]); - } - return qry; - } - - var TransportError = /*#__PURE__*/function (_Error) { - _inherits(TransportError, _Error); - var _super = _createSuper(TransportError); - function TransportError(reason, description, context) { - var _this; - _classCallCheck(this, TransportError); - _this = _super.call(this, reason); - _this.description = description; - _this.context = context; - _this.type = "TransportError"; - return _this; - } - return _createClass(TransportError); - }( /*#__PURE__*/_wrapNativeSuper(Error)); - var Transport = /*#__PURE__*/function (_Emitter) { - _inherits(Transport, _Emitter); - var _super2 = _createSuper(Transport); - /** - * Transport abstract constructor. - * - * @param {Object} opts - options - * @protected - */ - function Transport(opts) { - var _this2; - _classCallCheck(this, Transport); - _this2 = _super2.call(this); - _this2.writable = false; - installTimerFunctions(_assertThisInitialized(_this2), opts); - _this2.opts = opts; - _this2.query = opts.query; - _this2.socket = opts.socket; - return _this2; - } - /** - * Emits an error. - * - * @param {String} reason - * @param description - * @param context - the error context - * @return {Transport} for chaining - * @protected - */ - _createClass(Transport, [{ - key: "onError", - value: function onError(reason, description, context) { - _get(_getPrototypeOf(Transport.prototype), "emitReserved", this).call(this, "error", new TransportError(reason, description, context)); - return this; - } - /** - * Opens the transport. - */ - }, { - key: "open", - value: function open() { - this.readyState = "opening"; - this.doOpen(); - return this; - } - /** - * Closes the transport. - */ - }, { - key: "close", - value: function close() { - if (this.readyState === "opening" || this.readyState === "open") { - this.doClose(); - this.onClose(); - } - return this; - } - /** - * Sends multiple packets. - * - * @param {Array} packets - */ - }, { - key: "send", - value: function send(packets) { - if (this.readyState === "open") { - this.write(packets); - } - } - /** - * Called upon open - * - * @protected - */ - }, { - key: "onOpen", - value: function onOpen() { - this.readyState = "open"; - this.writable = true; - _get(_getPrototypeOf(Transport.prototype), "emitReserved", this).call(this, "open"); - } - /** - * Called with data. - * - * @param {String} data - * @protected - */ - }, { - key: "onData", - value: function onData(data) { - var packet = decodePacket(data, this.socket.binaryType); - this.onPacket(packet); - } - /** - * Called with a decoded packet. - * - * @protected - */ - }, { - key: "onPacket", - value: function onPacket(packet) { - _get(_getPrototypeOf(Transport.prototype), "emitReserved", this).call(this, "packet", packet); - } - /** - * Called upon close. - * - * @protected - */ - }, { - key: "onClose", - value: function onClose(details) { - this.readyState = "closed"; - _get(_getPrototypeOf(Transport.prototype), "emitReserved", this).call(this, "close", details); - } - /** - * Pauses the transport, in order not to lose packets during an upgrade. - * - * @param onPause - */ - }, { - key: "pause", - value: function pause(onPause) {} - }, { - key: "createUri", - value: function createUri(schema) { - var query = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; - return schema + "://" + this._hostname() + this._port() + this.opts.path + this._query(query); - } - }, { - key: "_hostname", - value: function _hostname() { - var hostname = this.opts.hostname; - return hostname.indexOf(":") === -1 ? hostname : "[" + hostname + "]"; - } - }, { - key: "_port", - value: function _port() { - if (this.opts.port && (this.opts.secure && Number(this.opts.port !== 443) || !this.opts.secure && Number(this.opts.port) !== 80)) { - return ":" + this.opts.port; - } else { - return ""; - } - } - }, { - key: "_query", - value: function _query(query) { - var encodedQuery = encode$1(query); - return encodedQuery.length ? "?" + encodedQuery : ""; - } - }]); - return Transport; - }(Emitter); - - // imported from https://github.com/unshiftio/yeast - - var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), - length = 64, - map = {}; - var seed = 0, - i = 0, - prev; - /** - * Return a string representing the specified number. - * - * @param {Number} num The number to convert. - * @returns {String} The string representation of the number. - * @api public - */ - function encode(num) { - var encoded = ''; - do { - encoded = alphabet[num % length] + encoded; - num = Math.floor(num / length); - } while (num > 0); - return encoded; - } - /** - * Yeast: A tiny growing id generator. - * - * @returns {String} A unique id. - * @api public - */ - function yeast() { - var now = encode(+new Date()); - if (now !== prev) return seed = 0, prev = now; - return now + '.' + encode(seed++); - } - // - // Map each character to its index. - // - for (; i < length; i++) map[alphabet[i]] = i; - - // imported from https://github.com/component/has-cors - var value = false; - try { - value = typeof XMLHttpRequest !== 'undefined' && 'withCredentials' in new XMLHttpRequest(); - } catch (err) { - // if XMLHttp support is disabled in IE then it will throw - // when trying to create - } - var hasCORS = value; - - // browser shim for xmlhttprequest module - function XHR(opts) { - var xdomain = opts.xdomain; - // XMLHttpRequest can be disabled on IE - try { - if ("undefined" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) { - return new XMLHttpRequest(); - } - } catch (e) {} - if (!xdomain) { - try { - return new globalThisShim[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP"); - } catch (e) {} - } - } - function createCookieJar() {} - - function empty() {} - var hasXHR2 = function () { - var xhr = new XHR({ - xdomain: false - }); - return null != xhr.responseType; - }(); - var Polling = /*#__PURE__*/function (_Transport) { - _inherits(Polling, _Transport); - var _super = _createSuper(Polling); - /** - * XHR Polling constructor. - * - * @param {Object} opts - * @package - */ - function Polling(opts) { - var _this; - _classCallCheck(this, Polling); - _this = _super.call(this, opts); - _this.polling = false; - if (typeof location !== "undefined") { - var isSSL = "https:" === location.protocol; - var port = location.port; - // some user agents have empty `location.port` - if (!port) { - port = isSSL ? "443" : "80"; - } - _this.xd = typeof location !== "undefined" && opts.hostname !== location.hostname || port !== opts.port; - } - /** - * XHR supports binary - */ - var forceBase64 = opts && opts.forceBase64; - _this.supportsBinary = hasXHR2 && !forceBase64; - if (_this.opts.withCredentials) { - _this.cookieJar = createCookieJar(); - } - return _this; - } - _createClass(Polling, [{ - key: "name", - get: function get() { - return "polling"; - } - /** - * Opens the socket (triggers polling). We write a PING message to determine - * when the transport is open. - * - * @protected - */ - }, { - key: "doOpen", - value: function doOpen() { - this.poll(); - } - /** - * Pauses polling. - * - * @param {Function} onPause - callback upon buffers are flushed and transport is paused - * @package - */ - }, { - key: "pause", - value: function pause(onPause) { - var _this2 = this; - this.readyState = "pausing"; - var pause = function pause() { - _this2.readyState = "paused"; - onPause(); - }; - if (this.polling || !this.writable) { - var total = 0; - if (this.polling) { - total++; - this.once("pollComplete", function () { - --total || pause(); - }); - } - if (!this.writable) { - total++; - this.once("drain", function () { - --total || pause(); - }); - } - } else { - pause(); - } - } - /** - * Starts polling cycle. - * - * @private - */ - }, { - key: "poll", - value: function poll() { - this.polling = true; - this.doPoll(); - this.emitReserved("poll"); - } - /** - * Overloads onData to detect payloads. - * - * @protected - */ - }, { - key: "onData", - value: function onData(data) { - var _this3 = this; - var callback = function callback(packet) { - // if its the first message we consider the transport open - if ("opening" === _this3.readyState && packet.type === "open") { - _this3.onOpen(); - } - // if its a close packet, we close the ongoing requests - if ("close" === packet.type) { - _this3.onClose({ - description: "transport closed by the server" - }); - return false; - } - // otherwise bypass onData and handle the message - _this3.onPacket(packet); - }; - // decode payload - decodePayload(data, this.socket.binaryType).forEach(callback); - // if an event did not trigger closing - if ("closed" !== this.readyState) { - // if we got data we're not polling - this.polling = false; - this.emitReserved("pollComplete"); - if ("open" === this.readyState) { - this.poll(); - } - } - } - /** - * For polling, send a close packet. - * - * @protected - */ - }, { - key: "doClose", - value: function doClose() { - var _this4 = this; - var close = function close() { - _this4.write([{ - type: "close" - }]); - }; - if ("open" === this.readyState) { - close(); - } else { - // in case we're trying to close while - // handshaking is in progress (GH-164) - this.once("open", close); - } - } - /** - * Writes a packets payload. - * - * @param {Array} packets - data packets - * @protected - */ - }, { - key: "write", - value: function write(packets) { - var _this5 = this; - this.writable = false; - encodePayload(packets, function (data) { - _this5.doWrite(data, function () { - _this5.writable = true; - _this5.emitReserved("drain"); - }); - }); - } - /** - * Generates uri for connection. - * - * @private - */ - }, { - key: "uri", - value: function uri() { - var schema = this.opts.secure ? "https" : "http"; - var query = this.query || {}; - // cache busting is forced - if (false !== this.opts.timestampRequests) { - query[this.opts.timestampParam] = yeast(); - } - if (!this.supportsBinary && !query.sid) { - query.b64 = 1; - } - return this.createUri(schema, query); - } - /** - * Creates a request. - * - * @param {String} method - * @private - */ - }, { - key: "request", - value: function request() { - var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; - _extends(opts, { - xd: this.xd, - cookieJar: this.cookieJar - }, this.opts); - return new Request(this.uri(), opts); - } - /** - * Sends data. - * - * @param {String} data to send. - * @param {Function} called upon flush. - * @private - */ - }, { - key: "doWrite", - value: function doWrite(data, fn) { - var _this6 = this; - var req = this.request({ - method: "POST", - data: data - }); - req.on("success", fn); - req.on("error", function (xhrStatus, context) { - _this6.onError("xhr post error", xhrStatus, context); - }); - } - /** - * Starts a poll cycle. - * - * @private - */ - }, { - key: "doPoll", - value: function doPoll() { - var _this7 = this; - var req = this.request(); - req.on("data", this.onData.bind(this)); - req.on("error", function (xhrStatus, context) { - _this7.onError("xhr poll error", xhrStatus, context); - }); - this.pollXhr = req; - } - }]); - return Polling; - }(Transport); - var Request = /*#__PURE__*/function (_Emitter) { - _inherits(Request, _Emitter); - var _super2 = _createSuper(Request); - /** - * Request constructor - * - * @param {Object} options - * @package - */ - function Request(uri, opts) { - var _this8; - _classCallCheck(this, Request); - _this8 = _super2.call(this); - installTimerFunctions(_assertThisInitialized(_this8), opts); - _this8.opts = opts; - _this8.method = opts.method || "GET"; - _this8.uri = uri; - _this8.data = undefined !== opts.data ? opts.data : null; - _this8.create(); - return _this8; - } - /** - * Creates the XHR object and sends the request. - * - * @private - */ - _createClass(Request, [{ - key: "create", - value: function create() { - var _this9 = this; - var _a; - var opts = pick(this.opts, "agent", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "autoUnref"); - opts.xdomain = !!this.opts.xd; - var xhr = this.xhr = new XHR(opts); - try { - xhr.open(this.method, this.uri, true); - try { - if (this.opts.extraHeaders) { - xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true); - for (var i in this.opts.extraHeaders) { - if (this.opts.extraHeaders.hasOwnProperty(i)) { - xhr.setRequestHeader(i, this.opts.extraHeaders[i]); - } - } - } - } catch (e) {} - if ("POST" === this.method) { - try { - xhr.setRequestHeader("Content-type", "text/plain;charset=UTF-8"); - } catch (e) {} - } - try { - xhr.setRequestHeader("Accept", "*/*"); - } catch (e) {} - (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr); - // ie6 check - if ("withCredentials" in xhr) { - xhr.withCredentials = this.opts.withCredentials; - } - if (this.opts.requestTimeout) { - xhr.timeout = this.opts.requestTimeout; - } - xhr.onreadystatechange = function () { - var _a; - if (xhr.readyState === 3) { - (_a = _this9.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr); - } - if (4 !== xhr.readyState) return; - if (200 === xhr.status || 1223 === xhr.status) { - _this9.onLoad(); - } else { - // make sure the `error` event handler that's user-set - // does not throw in the same tick and gets caught here - _this9.setTimeoutFn(function () { - _this9.onError(typeof xhr.status === "number" ? xhr.status : 0); - }, 0); - } - }; - xhr.send(this.data); - } catch (e) { - // Need to defer since .create() is called directly from the constructor - // and thus the 'error' event can only be only bound *after* this exception - // occurs. Therefore, also, we cannot throw here at all. - this.setTimeoutFn(function () { - _this9.onError(e); - }, 0); - return; - } - if (typeof document !== "undefined") { - this.index = Request.requestsCount++; - Request.requests[this.index] = this; - } - } - /** - * Called upon error. - * - * @private - */ - }, { - key: "onError", - value: function onError(err) { - this.emitReserved("error", err, this.xhr); - this.cleanup(true); - } - /** - * Cleans up house. - * - * @private - */ - }, { - key: "cleanup", - value: function cleanup(fromError) { - if ("undefined" === typeof this.xhr || null === this.xhr) { - return; - } - this.xhr.onreadystatechange = empty; - if (fromError) { - try { - this.xhr.abort(); - } catch (e) {} - } - if (typeof document !== "undefined") { - delete Request.requests[this.index]; - } - this.xhr = null; - } - /** - * Called upon load. - * - * @private - */ - }, { - key: "onLoad", - value: function onLoad() { - var data = this.xhr.responseText; - if (data !== null) { - this.emitReserved("data", data); - this.emitReserved("success"); - this.cleanup(); - } - } - /** - * Aborts the request. - * - * @package - */ - }, { - key: "abort", - value: function abort() { - this.cleanup(); - } - }]); - return Request; - }(Emitter); - Request.requestsCount = 0; - Request.requests = {}; - /** - * Aborts pending requests when unloading the window. This is needed to prevent - * memory leaks (e.g. when using IE) and to ensure that no spurious error is - * emitted. - */ - if (typeof document !== "undefined") { - // @ts-ignore - if (typeof attachEvent === "function") { - // @ts-ignore - attachEvent("onunload", unloadHandler); - } else if (typeof addEventListener === "function") { - var terminationEvent = "onpagehide" in globalThisShim ? "pagehide" : "unload"; - addEventListener(terminationEvent, unloadHandler, false); - } - } - function unloadHandler() { - for (var i in Request.requests) { - if (Request.requests.hasOwnProperty(i)) { - Request.requests[i].abort(); - } - } - } - - var nextTick = function () { - var isPromiseAvailable = typeof Promise === "function" && typeof Promise.resolve === "function"; - if (isPromiseAvailable) { - return function (cb) { - return Promise.resolve().then(cb); - }; - } else { - return function (cb, setTimeoutFn) { - return setTimeoutFn(cb, 0); - }; - } - }(); - var WebSocket = globalThisShim.WebSocket || globalThisShim.MozWebSocket; - var usingBrowserWebSocket = true; - var defaultBinaryType = "arraybuffer"; - - // detect ReactNative environment - var isReactNative = typeof navigator !== "undefined" && typeof navigator.product === "string" && navigator.product.toLowerCase() === "reactnative"; - var WS = /*#__PURE__*/function (_Transport) { - _inherits(WS, _Transport); - var _super = _createSuper(WS); - /** - * WebSocket transport constructor. - * - * @param {Object} opts - connection options - * @protected - */ - function WS(opts) { - var _this; - _classCallCheck(this, WS); - _this = _super.call(this, opts); - _this.supportsBinary = !opts.forceBase64; - return _this; - } - _createClass(WS, [{ - key: "name", - get: function get() { - return "websocket"; - } - }, { - key: "doOpen", - value: function doOpen() { - if (!this.check()) { - // let probe timeout - return; - } - var uri = this.uri(); - var protocols = this.opts.protocols; - // React Native only supports the 'headers' option, and will print a warning if anything else is passed - var opts = isReactNative ? {} : pick(this.opts, "agent", "perMessageDeflate", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "localAddress", "protocolVersion", "origin", "maxPayload", "family", "checkServerIdentity"); - if (this.opts.extraHeaders) { - opts.headers = this.opts.extraHeaders; - } - try { - this.ws = usingBrowserWebSocket && !isReactNative ? protocols ? new WebSocket(uri, protocols) : new WebSocket(uri) : new WebSocket(uri, protocols, opts); - } catch (err) { - return this.emitReserved("error", err); - } - this.ws.binaryType = this.socket.binaryType; - this.addEventListeners(); - } - /** - * Adds event listeners to the socket - * - * @private - */ - }, { - key: "addEventListeners", - value: function addEventListeners() { - var _this2 = this; - this.ws.onopen = function () { - if (_this2.opts.autoUnref) { - _this2.ws._socket.unref(); - } - _this2.onOpen(); - }; - this.ws.onclose = function (closeEvent) { - return _this2.onClose({ - description: "websocket connection closed", - context: closeEvent - }); - }; - this.ws.onmessage = function (ev) { - return _this2.onData(ev.data); - }; - this.ws.onerror = function (e) { - return _this2.onError("websocket error", e); - }; - } - }, { - key: "write", - value: function write(packets) { - var _this3 = this; - this.writable = false; - // encodePacket efficient as it uses WS framing - // no need for encodePayload - var _loop = function _loop() { - var packet = packets[i]; - var lastPacket = i === packets.length - 1; - encodePacket(packet, _this3.supportsBinary, function (data) { - // always create a new object (GH-437) - var opts = {}; - // Sometimes the websocket has already been closed but the browser didn't - // have a chance of informing us about it yet, in that case send will - // throw an error - try { - if (usingBrowserWebSocket) { - // TypeError is thrown when passing the second argument on Safari - _this3.ws.send(data); - } - } catch (e) {} - if (lastPacket) { - // fake drain - // defer to next tick to allow Socket to clear writeBuffer - nextTick(function () { - _this3.writable = true; - _this3.emitReserved("drain"); - }, _this3.setTimeoutFn); - } - }); - }; - for (var i = 0; i < packets.length; i++) { - _loop(); - } - } - }, { - key: "doClose", - value: function doClose() { - if (typeof this.ws !== "undefined") { - this.ws.close(); - this.ws = null; - } - } - /** - * Generates uri for connection. - * - * @private - */ - }, { - key: "uri", - value: function uri() { - var schema = this.opts.secure ? "wss" : "ws"; - var query = this.query || {}; - // append timestamp to URI - if (this.opts.timestampRequests) { - query[this.opts.timestampParam] = yeast(); - } - // communicate binary support capabilities - if (!this.supportsBinary) { - query.b64 = 1; - } - return this.createUri(schema, query); - } - /** - * Feature detection for WebSocket. - * - * @return {Boolean} whether this transport is available. - * @private - */ - }, { - key: "check", - value: function check() { - return !!WebSocket; - } - }]); - return WS; - }(Transport); - - var WT = /*#__PURE__*/function (_Transport) { - _inherits(WT, _Transport); - var _super = _createSuper(WT); - function WT() { - _classCallCheck(this, WT); - return _super.apply(this, arguments); - } - _createClass(WT, [{ - key: "name", - get: function get() { - return "webtransport"; - } - }, { - key: "doOpen", - value: function doOpen() { - var _this = this; - // @ts-ignore - if (typeof WebTransport !== "function") { - return; - } - // @ts-ignore - this.transport = new WebTransport(this.createUri("https"), this.opts.transportOptions[this.name]); - this.transport.closed.then(function () { - _this.onClose(); - })["catch"](function (err) { - _this.onError("webtransport error", err); - }); - // note: we could have used async/await, but that would require some additional polyfills - this.transport.ready.then(function () { - _this.transport.createBidirectionalStream().then(function (stream) { - var decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, _this.socket.binaryType); - var reader = stream.readable.pipeThrough(decoderStream).getReader(); - var encoderStream = createPacketEncoderStream(); - encoderStream.readable.pipeTo(stream.writable); - _this.writer = encoderStream.writable.getWriter(); - var read = function read() { - reader.read().then(function (_ref) { - var done = _ref.done, - value = _ref.value; - if (done) { - return; - } - _this.onPacket(value); - read(); - })["catch"](function (err) {}); - }; - read(); - var packet = { - type: "open" - }; - if (_this.query.sid) { - packet.data = "{\"sid\":\"".concat(_this.query.sid, "\"}"); - } - _this.writer.write(packet).then(function () { - return _this.onOpen(); - }); - }); - }); - } - }, { - key: "write", - value: function write(packets) { - var _this2 = this; - this.writable = false; - var _loop = function _loop() { - var packet = packets[i]; - var lastPacket = i === packets.length - 1; - _this2.writer.write(packet).then(function () { - if (lastPacket) { - nextTick(function () { - _this2.writable = true; - _this2.emitReserved("drain"); - }, _this2.setTimeoutFn); - } - }); - }; - for (var i = 0; i < packets.length; i++) { - _loop(); - } - } - }, { - key: "doClose", - value: function doClose() { - var _a; - (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close(); - } - }]); - return WT; - }(Transport); - - var transports = { - websocket: WS, - webtransport: WT, - polling: Polling - }; - - // imported from https://github.com/galkn/parseuri - /** - * Parses a URI - * - * Note: we could also have used the built-in URL object, but it isn't supported on all platforms. - * - * See: - * - https://developer.mozilla.org/en-US/docs/Web/API/URL - * - https://caniuse.com/url - * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B - * - * History of the parse() method: - * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c - * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3 - * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242 - * - * @author Steven Levithan (MIT license) - * @api private - */ - var re = /^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/; - var parts = ['source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor']; - function parse(str) { - var src = str, - b = str.indexOf('['), - e = str.indexOf(']'); - if (b != -1 && e != -1) { - str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length); - } - var m = re.exec(str || ''), - uri = {}, - i = 14; - while (i--) { - uri[parts[i]] = m[i] || ''; - } - if (b != -1 && e != -1) { - uri.source = src; - uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':'); - uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':'); - uri.ipv6uri = true; - } - uri.pathNames = pathNames(uri, uri['path']); - uri.queryKey = queryKey(uri, uri['query']); - return uri; - } - function pathNames(obj, path) { - var regx = /\/{2,9}/g, - names = path.replace(regx, "/").split("/"); - if (path.slice(0, 1) == '/' || path.length === 0) { - names.splice(0, 1); - } - if (path.slice(-1) == '/') { - names.splice(names.length - 1, 1); - } - return names; - } - function queryKey(uri, query) { - var data = {}; - query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) { - if ($1) { - data[$1] = $2; - } - }); - return data; - } - - var Socket$1 = /*#__PURE__*/function (_Emitter) { - _inherits(Socket, _Emitter); - var _super = _createSuper(Socket); - /** - * Socket constructor. - * - * @param {String|Object} uri - uri or options - * @param {Object} opts - options - */ - function Socket(uri) { - var _this; - var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; - _classCallCheck(this, Socket); - _this = _super.call(this); - _this.binaryType = defaultBinaryType; - _this.writeBuffer = []; - if (uri && "object" === _typeof(uri)) { - opts = uri; - uri = null; - } - if (uri) { - uri = parse(uri); - opts.hostname = uri.host; - opts.secure = uri.protocol === "https" || uri.protocol === "wss"; - opts.port = uri.port; - if (uri.query) opts.query = uri.query; - } else if (opts.host) { - opts.hostname = parse(opts.host).host; - } - installTimerFunctions(_assertThisInitialized(_this), opts); - _this.secure = null != opts.secure ? opts.secure : typeof location !== "undefined" && "https:" === location.protocol; - if (opts.hostname && !opts.port) { - // if no port is specified manually, use the protocol default - opts.port = _this.secure ? "443" : "80"; - } - _this.hostname = opts.hostname || (typeof location !== "undefined" ? location.hostname : "localhost"); - _this.port = opts.port || (typeof location !== "undefined" && location.port ? location.port : _this.secure ? "443" : "80"); - _this.transports = opts.transports || ["polling", "websocket", "webtransport"]; - _this.writeBuffer = []; - _this.prevBufferLen = 0; - _this.opts = _extends({ - path: "/engine.io", - agent: false, - withCredentials: false, - upgrade: true, - timestampParam: "t", - rememberUpgrade: false, - addTrailingSlash: true, - rejectUnauthorized: true, - perMessageDeflate: { - threshold: 1024 - }, - transportOptions: {}, - closeOnBeforeunload: false - }, opts); - _this.opts.path = _this.opts.path.replace(/\/$/, "") + (_this.opts.addTrailingSlash ? "/" : ""); - if (typeof _this.opts.query === "string") { - _this.opts.query = decode(_this.opts.query); - } - // set on handshake - _this.id = null; - _this.upgrades = null; - _this.pingInterval = null; - _this.pingTimeout = null; - // set on heartbeat - _this.pingTimeoutTimer = null; - if (typeof addEventListener === "function") { - if (_this.opts.closeOnBeforeunload) { - // Firefox closes the connection when the "beforeunload" event is emitted but not Chrome. This event listener - // ensures every browser behaves the same (no "disconnect" event at the Socket.IO level when the page is - // closed/reloaded) - _this.beforeunloadEventListener = function () { - if (_this.transport) { - // silently close the transport - _this.transport.removeAllListeners(); - _this.transport.close(); - } - }; - addEventListener("beforeunload", _this.beforeunloadEventListener, false); - } - if (_this.hostname !== "localhost") { - _this.offlineEventListener = function () { - _this.onClose("transport close", { - description: "network connection lost" - }); - }; - addEventListener("offline", _this.offlineEventListener, false); - } - } - _this.open(); - return _this; - } - /** - * Creates transport of the given type. - * - * @param {String} name - transport name - * @return {Transport} - * @private - */ - _createClass(Socket, [{ - key: "createTransport", - value: function createTransport(name) { - var query = _extends({}, this.opts.query); - // append engine.io protocol identifier - query.EIO = protocol$1; - // transport name - query.transport = name; - // session id if we already have one - if (this.id) query.sid = this.id; - var opts = _extends({}, this.opts, { - query: query, - socket: this, - hostname: this.hostname, - secure: this.secure, - port: this.port - }, this.opts.transportOptions[name]); - return new transports[name](opts); - } - /** - * Initializes transport to use and starts probe. - * - * @private - */ - }, { - key: "open", - value: function open() { - var _this2 = this; - var transport; - if (this.opts.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf("websocket") !== -1) { - transport = "websocket"; - } else if (0 === this.transports.length) { - // Emit error on next tick so it can be listened to - this.setTimeoutFn(function () { - _this2.emitReserved("error", "No transports available"); - }, 0); - return; - } else { - transport = this.transports[0]; - } - this.readyState = "opening"; - // Retry with the next transport if the transport is disabled (jsonp: false) - try { - transport = this.createTransport(transport); - } catch (e) { - this.transports.shift(); - this.open(); - return; - } - transport.open(); - this.setTransport(transport); - } - /** - * Sets the current transport. Disables the existing one (if any). - * - * @private - */ - }, { - key: "setTransport", - value: function setTransport(transport) { - var _this3 = this; - if (this.transport) { - this.transport.removeAllListeners(); - } - // set up transport - this.transport = transport; - // set up transport listeners - transport.on("drain", this.onDrain.bind(this)).on("packet", this.onPacket.bind(this)).on("error", this.onError.bind(this)).on("close", function (reason) { - return _this3.onClose("transport close", reason); - }); - } - /** - * Probes a transport. - * - * @param {String} name - transport name - * @private - */ - }, { - key: "probe", - value: function probe(name) { - var _this4 = this; - var transport = this.createTransport(name); - var failed = false; - Socket.priorWebsocketSuccess = false; - var onTransportOpen = function onTransportOpen() { - if (failed) return; - transport.send([{ - type: "ping", - data: "probe" - }]); - transport.once("packet", function (msg) { - if (failed) return; - if ("pong" === msg.type && "probe" === msg.data) { - _this4.upgrading = true; - _this4.emitReserved("upgrading", transport); - if (!transport) return; - Socket.priorWebsocketSuccess = "websocket" === transport.name; - _this4.transport.pause(function () { - if (failed) return; - if ("closed" === _this4.readyState) return; - cleanup(); - _this4.setTransport(transport); - transport.send([{ - type: "upgrade" - }]); - _this4.emitReserved("upgrade", transport); - transport = null; - _this4.upgrading = false; - _this4.flush(); - }); - } else { - var err = new Error("probe error"); - // @ts-ignore - err.transport = transport.name; - _this4.emitReserved("upgradeError", err); - } - }); - }; - function freezeTransport() { - if (failed) return; - // Any callback called by transport should be ignored since now - failed = true; - cleanup(); - transport.close(); - transport = null; - } - // Handle any error that happens while probing - var onerror = function onerror(err) { - var error = new Error("probe error: " + err); - // @ts-ignore - error.transport = transport.name; - freezeTransport(); - _this4.emitReserved("upgradeError", error); - }; - function onTransportClose() { - onerror("transport closed"); - } - // When the socket is closed while we're probing - function onclose() { - onerror("socket closed"); - } - // When the socket is upgraded while we're probing - function onupgrade(to) { - if (transport && to.name !== transport.name) { - freezeTransport(); - } - } - // Remove all listeners on the transport and on self - var cleanup = function cleanup() { - transport.removeListener("open", onTransportOpen); - transport.removeListener("error", onerror); - transport.removeListener("close", onTransportClose); - _this4.off("close", onclose); - _this4.off("upgrading", onupgrade); - }; - transport.once("open", onTransportOpen); - transport.once("error", onerror); - transport.once("close", onTransportClose); - this.once("close", onclose); - this.once("upgrading", onupgrade); - if (this.upgrades.indexOf("webtransport") !== -1 && name !== "webtransport") { - // favor WebTransport - this.setTimeoutFn(function () { - if (!failed) { - transport.open(); - } - }, 200); - } else { - transport.open(); - } - } - /** - * Called when connection is deemed open. - * - * @private - */ - }, { - key: "onOpen", - value: function onOpen() { - this.readyState = "open"; - Socket.priorWebsocketSuccess = "websocket" === this.transport.name; - this.emitReserved("open"); - this.flush(); - // we check for `readyState` in case an `open` - // listener already closed the socket - if ("open" === this.readyState && this.opts.upgrade) { - var i = 0; - var l = this.upgrades.length; - for (; i < l; i++) { - this.probe(this.upgrades[i]); - } - } - } - /** - * Handles a packet. - * - * @private - */ - }, { - key: "onPacket", - value: function onPacket(packet) { - if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) { - this.emitReserved("packet", packet); - // Socket is live - any packet counts - this.emitReserved("heartbeat"); - this.resetPingTimeout(); - switch (packet.type) { - case "open": - this.onHandshake(JSON.parse(packet.data)); - break; - case "ping": - this.sendPacket("pong"); - this.emitReserved("ping"); - this.emitReserved("pong"); - break; - case "error": - var err = new Error("server error"); - // @ts-ignore - err.code = packet.data; - this.onError(err); - break; - case "message": - this.emitReserved("data", packet.data); - this.emitReserved("message", packet.data); - break; - } - } - } - /** - * Called upon handshake completion. - * - * @param {Object} data - handshake obj - * @private - */ - }, { - key: "onHandshake", - value: function onHandshake(data) { - this.emitReserved("handshake", data); - this.id = data.sid; - this.transport.query.sid = data.sid; - this.upgrades = this.filterUpgrades(data.upgrades); - this.pingInterval = data.pingInterval; - this.pingTimeout = data.pingTimeout; - this.maxPayload = data.maxPayload; - this.onOpen(); - // In case open handler closes socket - if ("closed" === this.readyState) return; - this.resetPingTimeout(); - } - /** - * Sets and resets ping timeout timer based on server pings. - * - * @private - */ - }, { - key: "resetPingTimeout", - value: function resetPingTimeout() { - var _this5 = this; - this.clearTimeoutFn(this.pingTimeoutTimer); - this.pingTimeoutTimer = this.setTimeoutFn(function () { - _this5.onClose("ping timeout"); - }, this.pingInterval + this.pingTimeout); - if (this.opts.autoUnref) { - this.pingTimeoutTimer.unref(); - } - } - /** - * Called on `drain` event - * - * @private - */ - }, { - key: "onDrain", - value: function onDrain() { - this.writeBuffer.splice(0, this.prevBufferLen); - // setting prevBufferLen = 0 is very important - // for example, when upgrading, upgrade packet is sent over, - // and a nonzero prevBufferLen could cause problems on `drain` - this.prevBufferLen = 0; - if (0 === this.writeBuffer.length) { - this.emitReserved("drain"); - } else { - this.flush(); - } - } - /** - * Flush write buffers. - * - * @private - */ - }, { - key: "flush", - value: function flush() { - if ("closed" !== this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) { - var packets = this.getWritablePackets(); - this.transport.send(packets); - // keep track of current length of writeBuffer - // splice writeBuffer and callbackBuffer on `drain` - this.prevBufferLen = packets.length; - this.emitReserved("flush"); - } - } - /** - * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP - * long-polling) - * - * @private - */ - }, { - key: "getWritablePackets", - value: function getWritablePackets() { - var shouldCheckPayloadSize = this.maxPayload && this.transport.name === "polling" && this.writeBuffer.length > 1; - if (!shouldCheckPayloadSize) { - return this.writeBuffer; - } - var payloadSize = 1; // first packet type - for (var i = 0; i < this.writeBuffer.length; i++) { - var data = this.writeBuffer[i].data; - if (data) { - payloadSize += byteLength(data); - } - if (i > 0 && payloadSize > this.maxPayload) { - return this.writeBuffer.slice(0, i); - } - payloadSize += 2; // separator + packet type - } - - return this.writeBuffer; - } - /** - * Sends a message. - * - * @param {String} msg - message. - * @param {Object} options. - * @param {Function} callback function. - * @return {Socket} for chaining. - */ - }, { - key: "write", - value: function write(msg, options, fn) { - this.sendPacket("message", msg, options, fn); - return this; - } - }, { - key: "send", - value: function send(msg, options, fn) { - this.sendPacket("message", msg, options, fn); - return this; - } - /** - * Sends a packet. - * - * @param {String} type: packet type. - * @param {String} data. - * @param {Object} options. - * @param {Function} fn - callback function. - * @private - */ - }, { - key: "sendPacket", - value: function sendPacket(type, data, options, fn) { - if ("function" === typeof data) { - fn = data; - data = undefined; - } - if ("function" === typeof options) { - fn = options; - options = null; - } - if ("closing" === this.readyState || "closed" === this.readyState) { - return; - } - options = options || {}; - options.compress = false !== options.compress; - var packet = { - type: type, - data: data, - options: options - }; - this.emitReserved("packetCreate", packet); - this.writeBuffer.push(packet); - if (fn) this.once("flush", fn); - this.flush(); - } - /** - * Closes the connection. - */ - }, { - key: "close", - value: function close() { - var _this6 = this; - var close = function close() { - _this6.onClose("forced close"); - _this6.transport.close(); - }; - var cleanupAndClose = function cleanupAndClose() { - _this6.off("upgrade", cleanupAndClose); - _this6.off("upgradeError", cleanupAndClose); - close(); - }; - var waitForUpgrade = function waitForUpgrade() { - // wait for upgrade to finish since we can't send packets while pausing a transport - _this6.once("upgrade", cleanupAndClose); - _this6.once("upgradeError", cleanupAndClose); - }; - if ("opening" === this.readyState || "open" === this.readyState) { - this.readyState = "closing"; - if (this.writeBuffer.length) { - this.once("drain", function () { - if (_this6.upgrading) { - waitForUpgrade(); - } else { - close(); - } - }); - } else if (this.upgrading) { - waitForUpgrade(); - } else { - close(); - } - } - return this; - } - /** - * Called upon transport error - * - * @private - */ - }, { - key: "onError", - value: function onError(err) { - Socket.priorWebsocketSuccess = false; - this.emitReserved("error", err); - this.onClose("transport error", err); - } - /** - * Called upon transport close. - * - * @private - */ - }, { - key: "onClose", - value: function onClose(reason, description) { - if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) { - // clear timers - this.clearTimeoutFn(this.pingTimeoutTimer); - // stop event from firing again for transport - this.transport.removeAllListeners("close"); - // ensure transport won't stay open - this.transport.close(); - // ignore further transport communication - this.transport.removeAllListeners(); - if (typeof removeEventListener === "function") { - removeEventListener("beforeunload", this.beforeunloadEventListener, false); - removeEventListener("offline", this.offlineEventListener, false); - } - // set ready state - this.readyState = "closed"; - // clear session id - this.id = null; - // emit close event - this.emitReserved("close", reason, description); - // clean buffers after, so users can still - // grab the buffers on `close` event - this.writeBuffer = []; - this.prevBufferLen = 0; - } - } - /** - * Filters upgrades, returning only those matching client transports. - * - * @param {Array} upgrades - server upgrades - * @private - */ - }, { - key: "filterUpgrades", - value: function filterUpgrades(upgrades) { - var filteredUpgrades = []; - var i = 0; - var j = upgrades.length; - for (; i < j; i++) { - if (~this.transports.indexOf(upgrades[i])) filteredUpgrades.push(upgrades[i]); - } - return filteredUpgrades; - } - }]); - return Socket; - }(Emitter); - Socket$1.protocol = protocol$1; - - Socket$1.protocol; - - /** - * URL parser. - * - * @param uri - url - * @param path - the request path of the connection - * @param loc - An object meant to mimic window.location. - * Defaults to window.location. - * @public - */ - function url(uri) { - var path = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : ""; - var loc = arguments.length > 2 ? arguments[2] : undefined; - var obj = uri; - // default to window.location - loc = loc || typeof location !== "undefined" && location; - if (null == uri) uri = loc.protocol + "//" + loc.host; - // relative path support - if (typeof uri === "string") { - if ("/" === uri.charAt(0)) { - if ("/" === uri.charAt(1)) { - uri = loc.protocol + uri; - } else { - uri = loc.host + uri; - } - } - if (!/^(https?|wss?):\/\//.test(uri)) { - if ("undefined" !== typeof loc) { - uri = loc.protocol + "//" + uri; - } else { - uri = "https://" + uri; - } - } - // parse - obj = parse(uri); - } - // make sure we treat `localhost:80` and `localhost` equally - if (!obj.port) { - if (/^(http|ws)$/.test(obj.protocol)) { - obj.port = "80"; - } else if (/^(http|ws)s$/.test(obj.protocol)) { - obj.port = "443"; - } - } - obj.path = obj.path || "/"; - var ipv6 = obj.host.indexOf(":") !== -1; - var host = ipv6 ? "[" + obj.host + "]" : obj.host; - // define unique id - obj.id = obj.protocol + "://" + host + ":" + obj.port + path; - // define href - obj.href = obj.protocol + "://" + host + (loc && loc.port === obj.port ? "" : ":" + obj.port); - return obj; - } - - var withNativeArrayBuffer = typeof ArrayBuffer === "function"; - var isView = function isView(obj) { - return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj.buffer instanceof ArrayBuffer; - }; - var toString = Object.prototype.toString; - var withNativeBlob = typeof Blob === "function" || typeof Blob !== "undefined" && toString.call(Blob) === "[object BlobConstructor]"; - var withNativeFile = typeof File === "function" || typeof File !== "undefined" && toString.call(File) === "[object FileConstructor]"; - /** - * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. - * - * @private - */ - function isBinary(obj) { - return withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj)) || withNativeBlob && obj instanceof Blob || withNativeFile && obj instanceof File; - } - function hasBinary(obj, toJSON) { - if (!obj || _typeof(obj) !== "object") { - return false; - } - if (Array.isArray(obj)) { - for (var i = 0, l = obj.length; i < l; i++) { - if (hasBinary(obj[i])) { - return true; - } - } - return false; - } - if (isBinary(obj)) { - return true; - } - if (obj.toJSON && typeof obj.toJSON === "function" && arguments.length === 1) { - return hasBinary(obj.toJSON(), true); - } - for (var key in obj) { - if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) { - return true; - } - } - return false; - } - - /** - * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. - * - * @param {Object} packet - socket.io event packet - * @return {Object} with deconstructed packet and list of buffers - * @public - */ - function deconstructPacket(packet) { - var buffers = []; - var packetData = packet.data; - var pack = packet; - pack.data = _deconstructPacket(packetData, buffers); - pack.attachments = buffers.length; // number of binary 'attachments' - return { - packet: pack, - buffers: buffers - }; - } - function _deconstructPacket(data, buffers) { - if (!data) return data; - if (isBinary(data)) { - var placeholder = { - _placeholder: true, - num: buffers.length - }; - buffers.push(data); - return placeholder; - } else if (Array.isArray(data)) { - var newData = new Array(data.length); - for (var i = 0; i < data.length; i++) { - newData[i] = _deconstructPacket(data[i], buffers); - } - return newData; - } else if (_typeof(data) === "object" && !(data instanceof Date)) { - var _newData = {}; - for (var key in data) { - if (Object.prototype.hasOwnProperty.call(data, key)) { - _newData[key] = _deconstructPacket(data[key], buffers); - } - } - return _newData; - } - return data; - } - /** - * Reconstructs a binary packet from its placeholder packet and buffers - * - * @param {Object} packet - event packet with placeholders - * @param {Array} buffers - binary buffers to put in placeholder positions - * @return {Object} reconstructed packet - * @public - */ - function reconstructPacket(packet, buffers) { - packet.data = _reconstructPacket(packet.data, buffers); - delete packet.attachments; // no longer useful - return packet; - } - function _reconstructPacket(data, buffers) { - if (!data) return data; - if (data && data._placeholder === true) { - var isIndexValid = typeof data.num === "number" && data.num >= 0 && data.num < buffers.length; - if (isIndexValid) { - return buffers[data.num]; // appropriate buffer (should be natural order anyway) - } else { - throw new Error("illegal attachments"); - } - } else if (Array.isArray(data)) { - for (var i = 0; i < data.length; i++) { - data[i] = _reconstructPacket(data[i], buffers); - } - } else if (_typeof(data) === "object") { - for (var key in data) { - if (Object.prototype.hasOwnProperty.call(data, key)) { - data[key] = _reconstructPacket(data[key], buffers); - } - } - } - return data; - } - - /** - * These strings must not be used as event names, as they have a special meaning. - */ - var RESERVED_EVENTS$1 = ["connect", "connect_error", "disconnect", "disconnecting", "newListener", "removeListener" // used by the Node.js EventEmitter - ]; - /** - * Protocol version. - * - * @public - */ - var protocol = 5; - var PacketType; - (function (PacketType) { - PacketType[PacketType["CONNECT"] = 0] = "CONNECT"; - PacketType[PacketType["DISCONNECT"] = 1] = "DISCONNECT"; - PacketType[PacketType["EVENT"] = 2] = "EVENT"; - PacketType[PacketType["ACK"] = 3] = "ACK"; - PacketType[PacketType["CONNECT_ERROR"] = 4] = "CONNECT_ERROR"; - PacketType[PacketType["BINARY_EVENT"] = 5] = "BINARY_EVENT"; - PacketType[PacketType["BINARY_ACK"] = 6] = "BINARY_ACK"; - })(PacketType || (PacketType = {})); - /** - * A socket.io Encoder instance - */ - var Encoder = /*#__PURE__*/function () { - /** - * Encoder constructor - * - * @param {function} replacer - custom replacer to pass down to JSON.parse - */ - function Encoder(replacer) { - _classCallCheck(this, Encoder); - this.replacer = replacer; - } - /** - * Encode a packet as a single string if non-binary, or as a - * buffer sequence, depending on packet type. - * - * @param {Object} obj - packet object - */ - _createClass(Encoder, [{ - key: "encode", - value: function encode(obj) { - if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) { - if (hasBinary(obj)) { - return this.encodeAsBinary({ - type: obj.type === PacketType.EVENT ? PacketType.BINARY_EVENT : PacketType.BINARY_ACK, - nsp: obj.nsp, - data: obj.data, - id: obj.id - }); - } - } - return [this.encodeAsString(obj)]; - } - /** - * Encode packet as string. - */ - }, { - key: "encodeAsString", - value: function encodeAsString(obj) { - // first is type - var str = "" + obj.type; - // attachments if we have them - if (obj.type === PacketType.BINARY_EVENT || obj.type === PacketType.BINARY_ACK) { - str += obj.attachments + "-"; - } - // if we have a namespace other than `/` - // we append it followed by a comma `,` - if (obj.nsp && "/" !== obj.nsp) { - str += obj.nsp + ","; - } - // immediately followed by the id - if (null != obj.id) { - str += obj.id; - } - // json data - if (null != obj.data) { - str += JSON.stringify(obj.data, this.replacer); - } - return str; - } - /** - * Encode packet as 'buffer sequence' by removing blobs, and - * deconstructing packet into object with placeholders and - * a list of buffers. - */ - }, { - key: "encodeAsBinary", - value: function encodeAsBinary(obj) { - var deconstruction = deconstructPacket(obj); - var pack = this.encodeAsString(deconstruction.packet); - var buffers = deconstruction.buffers; - buffers.unshift(pack); // add packet info to beginning of data list - return buffers; // write all the buffers - } - }]); - return Encoder; - }(); - // see https://stackoverflow.com/questions/8511281/check-if-a-value-is-an-object-in-javascript - function isObject(value) { - return Object.prototype.toString.call(value) === "[object Object]"; - } - /** - * A socket.io Decoder instance - * - * @return {Object} decoder - */ - var Decoder = /*#__PURE__*/function (_Emitter) { - _inherits(Decoder, _Emitter); - var _super = _createSuper(Decoder); - /** - * Decoder constructor - * - * @param {function} reviver - custom reviver to pass down to JSON.stringify - */ - function Decoder(reviver) { - var _this; - _classCallCheck(this, Decoder); - _this = _super.call(this); - _this.reviver = reviver; - return _this; - } - /** - * Decodes an encoded packet string into packet JSON. - * - * @param {String} obj - encoded packet - */ - _createClass(Decoder, [{ - key: "add", - value: function add(obj) { - var packet; - if (typeof obj === "string") { - if (this.reconstructor) { - throw new Error("got plaintext data when reconstructing a packet"); - } - packet = this.decodeString(obj); - var isBinaryEvent = packet.type === PacketType.BINARY_EVENT; - if (isBinaryEvent || packet.type === PacketType.BINARY_ACK) { - packet.type = isBinaryEvent ? PacketType.EVENT : PacketType.ACK; - // binary packet's json - this.reconstructor = new BinaryReconstructor(packet); - // no attachments, labeled binary but no binary data to follow - if (packet.attachments === 0) { - _get(_getPrototypeOf(Decoder.prototype), "emitReserved", this).call(this, "decoded", packet); - } - } else { - // non-binary full packet - _get(_getPrototypeOf(Decoder.prototype), "emitReserved", this).call(this, "decoded", packet); - } - } else if (isBinary(obj) || obj.base64) { - // raw binary data - if (!this.reconstructor) { - throw new Error("got binary data when not reconstructing a packet"); - } else { - packet = this.reconstructor.takeBinaryData(obj); - if (packet) { - // received final buffer - this.reconstructor = null; - _get(_getPrototypeOf(Decoder.prototype), "emitReserved", this).call(this, "decoded", packet); - } - } - } else { - throw new Error("Unknown type: " + obj); - } - } - /** - * Decode a packet String (JSON data) - * - * @param {String} str - * @return {Object} packet - */ - }, { - key: "decodeString", - value: function decodeString(str) { - var i = 0; - // look up type - var p = { - type: Number(str.charAt(0)) - }; - if (PacketType[p.type] === undefined) { - throw new Error("unknown packet type " + p.type); - } - // look up attachments if type binary - if (p.type === PacketType.BINARY_EVENT || p.type === PacketType.BINARY_ACK) { - var start = i + 1; - while (str.charAt(++i) !== "-" && i != str.length) {} - var buf = str.substring(start, i); - if (buf != Number(buf) || str.charAt(i) !== "-") { - throw new Error("Illegal attachments"); - } - p.attachments = Number(buf); - } - // look up namespace (if any) - if ("/" === str.charAt(i + 1)) { - var _start = i + 1; - while (++i) { - var c = str.charAt(i); - if ("," === c) break; - if (i === str.length) break; - } - p.nsp = str.substring(_start, i); - } else { - p.nsp = "/"; - } - // look up id - var next = str.charAt(i + 1); - if ("" !== next && Number(next) == next) { - var _start2 = i + 1; - while (++i) { - var _c = str.charAt(i); - if (null == _c || Number(_c) != _c) { - --i; - break; - } - if (i === str.length) break; - } - p.id = Number(str.substring(_start2, i + 1)); - } - // look up json data - if (str.charAt(++i)) { - var payload = this.tryParse(str.substr(i)); - if (Decoder.isPayloadValid(p.type, payload)) { - p.data = payload; - } else { - throw new Error("invalid payload"); - } - } - return p; - } - }, { - key: "tryParse", - value: function tryParse(str) { - try { - return JSON.parse(str, this.reviver); - } catch (e) { - return false; - } - } - }, { - key: "destroy", - value: - /** - * Deallocates a parser's resources - */ - function destroy() { - if (this.reconstructor) { - this.reconstructor.finishedReconstruction(); - this.reconstructor = null; - } - } - }], [{ - key: "isPayloadValid", - value: function isPayloadValid(type, payload) { - switch (type) { - case PacketType.CONNECT: - return isObject(payload); - case PacketType.DISCONNECT: - return payload === undefined; - case PacketType.CONNECT_ERROR: - return typeof payload === "string" || isObject(payload); - case PacketType.EVENT: - case PacketType.BINARY_EVENT: - return Array.isArray(payload) && (typeof payload[0] === "number" || typeof payload[0] === "string" && RESERVED_EVENTS$1.indexOf(payload[0]) === -1); - case PacketType.ACK: - case PacketType.BINARY_ACK: - return Array.isArray(payload); - } - } - }]); - return Decoder; - }(Emitter); - /** - * A manager of a binary event's 'buffer sequence'. Should - * be constructed whenever a packet of type BINARY_EVENT is - * decoded. - * - * @param {Object} packet - * @return {BinaryReconstructor} initialized reconstructor - */ - var BinaryReconstructor = /*#__PURE__*/function () { - function BinaryReconstructor(packet) { - _classCallCheck(this, BinaryReconstructor); - this.packet = packet; - this.buffers = []; - this.reconPack = packet; - } - /** - * Method to be called when binary data received from connection - * after a BINARY_EVENT packet. - * - * @param {Buffer | ArrayBuffer} binData - the raw binary data received - * @return {null | Object} returns null if more binary data is expected or - * a reconstructed packet object if all buffers have been received. - */ - _createClass(BinaryReconstructor, [{ - key: "takeBinaryData", - value: function takeBinaryData(binData) { - this.buffers.push(binData); - if (this.buffers.length === this.reconPack.attachments) { - // done with buffer list - var packet = reconstructPacket(this.reconPack, this.buffers); - this.finishedReconstruction(); - return packet; - } - return null; - } - /** - * Cleans up binary packet reconstruction variables. - */ - }, { - key: "finishedReconstruction", - value: function finishedReconstruction() { - this.reconPack = null; - this.buffers = []; - } - }]); - return BinaryReconstructor; - }(); - - var parser = /*#__PURE__*/Object.freeze({ - __proto__: null, - protocol: protocol, - get PacketType () { return PacketType; }, - Encoder: Encoder, - Decoder: Decoder - }); - - function on(obj, ev, fn) { - obj.on(ev, fn); - return function subDestroy() { - obj.off(ev, fn); - }; - } - - /** - * Internal events. - * These events can't be emitted by the user. - */ - var RESERVED_EVENTS = Object.freeze({ - connect: 1, - connect_error: 1, - disconnect: 1, - disconnecting: 1, - // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener - newListener: 1, - removeListener: 1 - }); - /** - * A Socket is the fundamental class for interacting with the server. - * - * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate. - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log("connected"); - * }); - * - * // send an event to the server - * socket.emit("foo", "bar"); - * - * socket.on("foobar", () => { - * // an event was received from the server - * }); - * - * // upon disconnection - * socket.on("disconnect", (reason) => { - * console.log(`disconnected due to ${reason}`); - * }); - */ - var Socket = /*#__PURE__*/function (_Emitter) { - _inherits(Socket, _Emitter); - var _super = _createSuper(Socket); - /** - * `Socket` constructor. - */ - function Socket(io, nsp, opts) { - var _this; - _classCallCheck(this, Socket); - _this = _super.call(this); - /** - * Whether the socket is currently connected to the server. - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log(socket.connected); // true - * }); - * - * socket.on("disconnect", () => { - * console.log(socket.connected); // false - * }); - */ - _this.connected = false; - /** - * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will - * be transmitted by the server. - */ - _this.recovered = false; - /** - * Buffer for packets received before the CONNECT packet - */ - _this.receiveBuffer = []; - /** - * Buffer for packets that will be sent once the socket is connected - */ - _this.sendBuffer = []; - /** - * The queue of packets to be sent with retry in case of failure. - * - * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order. - * @private - */ - _this._queue = []; - /** - * A sequence to generate the ID of the {@link QueuedPacket}. - * @private - */ - _this._queueSeq = 0; - _this.ids = 0; - _this.acks = {}; - _this.flags = {}; - _this.io = io; - _this.nsp = nsp; - if (opts && opts.auth) { - _this.auth = opts.auth; - } - _this._opts = _extends({}, opts); - if (_this.io._autoConnect) _this.open(); - return _this; - } - /** - * Whether the socket is currently disconnected - * - * @example - * const socket = io(); - * - * socket.on("connect", () => { - * console.log(socket.disconnected); // false - * }); - * - * socket.on("disconnect", () => { - * console.log(socket.disconnected); // true - * }); - */ - _createClass(Socket, [{ - key: "disconnected", - get: function get() { - return !this.connected; - } - /** - * Subscribe to open, close and packet events - * - * @private - */ - }, { - key: "subEvents", - value: function subEvents() { - if (this.subs) return; - var io = this.io; - this.subs = [on(io, "open", this.onopen.bind(this)), on(io, "packet", this.onpacket.bind(this)), on(io, "error", this.onerror.bind(this)), on(io, "close", this.onclose.bind(this))]; - } - /** - * Whether the Socket will try to reconnect when its Manager connects or reconnects. - * - * @example - * const socket = io(); - * - * console.log(socket.active); // true - * - * socket.on("disconnect", (reason) => { - * if (reason === "io server disconnect") { - * // the disconnection was initiated by the server, you need to manually reconnect - * console.log(socket.active); // false - * } - * // else the socket will automatically try to reconnect - * console.log(socket.active); // true - * }); - */ - }, { - key: "active", - get: function get() { - return !!this.subs; - } - /** - * "Opens" the socket. - * - * @example - * const socket = io({ - * autoConnect: false - * }); - * - * socket.connect(); - */ - }, { - key: "connect", - value: function connect() { - if (this.connected) return this; - this.subEvents(); - if (!this.io["_reconnecting"]) this.io.open(); // ensure open - if ("open" === this.io._readyState) this.onopen(); - return this; - } - /** - * Alias for {@link connect()}. - */ - }, { - key: "open", - value: function open() { - return this.connect(); - } - /** - * Sends a `message` event. - * - * This method mimics the WebSocket.send() method. - * - * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send - * - * @example - * socket.send("hello"); - * - * // this is equivalent to - * socket.emit("message", "hello"); - * - * @return self - */ - }, { - key: "send", - value: function send() { - for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { - args[_key] = arguments[_key]; - } - args.unshift("message"); - this.emit.apply(this, args); - return this; - } - /** - * Override `emit`. - * If the event is in `events`, it's emitted normally. - * - * @example - * socket.emit("hello", "world"); - * - * // all serializable datastructures are supported (no need to call JSON.stringify) - * socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) }); - * - * // with an acknowledgement from the server - * socket.emit("hello", "world", (val) => { - * // ... - * }); - * - * @return self - */ - }, { - key: "emit", - value: function emit(ev) { - if (RESERVED_EVENTS.hasOwnProperty(ev)) { - throw new Error('"' + ev.toString() + '" is a reserved event name'); - } - for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { - args[_key2 - 1] = arguments[_key2]; - } - args.unshift(ev); - if (this._opts.retries && !this.flags.fromQueue && !this.flags["volatile"]) { - this._addToQueue(args); - return this; - } - var packet = { - type: PacketType.EVENT, - data: args - }; - packet.options = {}; - packet.options.compress = this.flags.compress !== false; - // event ack callback - if ("function" === typeof args[args.length - 1]) { - var id = this.ids++; - var ack = args.pop(); - this._registerAckCallback(id, ack); - packet.id = id; - } - var isTransportWritable = this.io.engine && this.io.engine.transport && this.io.engine.transport.writable; - var discardPacket = this.flags["volatile"] && (!isTransportWritable || !this.connected); - if (discardPacket) ; else if (this.connected) { - this.notifyOutgoingListeners(packet); - this.packet(packet); - } else { - this.sendBuffer.push(packet); - } - this.flags = {}; - return this; - } - /** - * @private - */ - }, { - key: "_registerAckCallback", - value: function _registerAckCallback(id, ack) { - var _this2 = this; - var _a; - var timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout; - if (timeout === undefined) { - this.acks[id] = ack; - return; - } - // @ts-ignore - var timer = this.io.setTimeoutFn(function () { - delete _this2.acks[id]; - for (var i = 0; i < _this2.sendBuffer.length; i++) { - if (_this2.sendBuffer[i].id === id) { - _this2.sendBuffer.splice(i, 1); - } - } - ack.call(_this2, new Error("operation has timed out")); - }, timeout); - this.acks[id] = function () { - // @ts-ignore - _this2.io.clearTimeoutFn(timer); - for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) { - args[_key3] = arguments[_key3]; - } - ack.apply(_this2, [null].concat(args)); - }; - } - /** - * Emits an event and waits for an acknowledgement - * - * @example - * // without timeout - * const response = await socket.emitWithAck("hello", "world"); - * - * // with a specific timeout - * try { - * const response = await socket.timeout(1000).emitWithAck("hello", "world"); - * } catch (err) { - * // the server did not acknowledge the event in the given delay - * } - * - * @return a Promise that will be fulfilled when the server acknowledges the event - */ - }, { - key: "emitWithAck", - value: function emitWithAck(ev) { - var _this3 = this; - for (var _len4 = arguments.length, args = new Array(_len4 > 1 ? _len4 - 1 : 0), _key4 = 1; _key4 < _len4; _key4++) { - args[_key4 - 1] = arguments[_key4]; - } - // the timeout flag is optional - var withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined; - return new Promise(function (resolve, reject) { - args.push(function (arg1, arg2) { - if (withErr) { - return arg1 ? reject(arg1) : resolve(arg2); - } else { - return resolve(arg1); - } - }); - _this3.emit.apply(_this3, [ev].concat(args)); - }); - } - /** - * Add the packet to the queue. - * @param args - * @private - */ - }, { - key: "_addToQueue", - value: function _addToQueue(args) { - var _this4 = this; - var ack; - if (typeof args[args.length - 1] === "function") { - ack = args.pop(); - } - var packet = { - id: this._queueSeq++, - tryCount: 0, - pending: false, - args: args, - flags: _extends({ - fromQueue: true - }, this.flags) - }; - args.push(function (err) { - if (packet !== _this4._queue[0]) { - // the packet has already been acknowledged - return; - } - var hasError = err !== null; - if (hasError) { - if (packet.tryCount > _this4._opts.retries) { - _this4._queue.shift(); - if (ack) { - ack(err); - } - } - } else { - _this4._queue.shift(); - if (ack) { - for (var _len5 = arguments.length, responseArgs = new Array(_len5 > 1 ? _len5 - 1 : 0), _key5 = 1; _key5 < _len5; _key5++) { - responseArgs[_key5 - 1] = arguments[_key5]; - } - ack.apply(void 0, [null].concat(responseArgs)); - } - } - packet.pending = false; - return _this4._drainQueue(); - }); - this._queue.push(packet); - this._drainQueue(); - } - /** - * Send the first packet of the queue, and wait for an acknowledgement from the server. - * @param force - whether to resend a packet that has not been acknowledged yet - * - * @private - */ - }, { - key: "_drainQueue", - value: function _drainQueue() { - var force = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false; - if (!this.connected || this._queue.length === 0) { - return; - } - var packet = this._queue[0]; - if (packet.pending && !force) { - return; - } - packet.pending = true; - packet.tryCount++; - this.flags = packet.flags; - this.emit.apply(this, packet.args); - } - /** - * Sends a packet. - * - * @param packet - * @private - */ - }, { - key: "packet", - value: function packet(_packet) { - _packet.nsp = this.nsp; - this.io._packet(_packet); - } - /** - * Called upon engine `open`. - * - * @private - */ - }, { - key: "onopen", - value: function onopen() { - var _this5 = this; - if (typeof this.auth == "function") { - this.auth(function (data) { - _this5._sendConnectPacket(data); - }); - } else { - this._sendConnectPacket(this.auth); - } - } - /** - * Sends a CONNECT packet to initiate the Socket.IO session. - * - * @param data - * @private - */ - }, { - key: "_sendConnectPacket", - value: function _sendConnectPacket(data) { - this.packet({ - type: PacketType.CONNECT, - data: this._pid ? _extends({ - pid: this._pid, - offset: this._lastOffset - }, data) : data - }); - } - /** - * Called upon engine or manager `error`. - * - * @param err - * @private - */ - }, { - key: "onerror", - value: function onerror(err) { - if (!this.connected) { - this.emitReserved("connect_error", err); - } - } - /** - * Called upon engine `close`. - * - * @param reason - * @param description - * @private - */ - }, { - key: "onclose", - value: function onclose(reason, description) { - this.connected = false; - delete this.id; - this.emitReserved("disconnect", reason, description); - } - /** - * Called with socket packet. - * - * @param packet - * @private - */ - }, { - key: "onpacket", - value: function onpacket(packet) { - var sameNamespace = packet.nsp === this.nsp; - if (!sameNamespace) return; - switch (packet.type) { - case PacketType.CONNECT: - if (packet.data && packet.data.sid) { - this.onconnect(packet.data.sid, packet.data.pid); - } else { - this.emitReserved("connect_error", new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)")); - } - break; - case PacketType.EVENT: - case PacketType.BINARY_EVENT: - this.onevent(packet); - break; - case PacketType.ACK: - case PacketType.BINARY_ACK: - this.onack(packet); - break; - case PacketType.DISCONNECT: - this.ondisconnect(); - break; - case PacketType.CONNECT_ERROR: - this.destroy(); - var err = new Error(packet.data.message); - // @ts-ignore - err.data = packet.data.data; - this.emitReserved("connect_error", err); - break; - } - } - /** - * Called upon a server event. - * - * @param packet - * @private - */ - }, { - key: "onevent", - value: function onevent(packet) { - var args = packet.data || []; - if (null != packet.id) { - args.push(this.ack(packet.id)); - } - if (this.connected) { - this.emitEvent(args); - } else { - this.receiveBuffer.push(Object.freeze(args)); - } - } - }, { - key: "emitEvent", - value: function emitEvent(args) { - if (this._anyListeners && this._anyListeners.length) { - var listeners = this._anyListeners.slice(); - var _iterator = _createForOfIteratorHelper(listeners), - _step; - try { - for (_iterator.s(); !(_step = _iterator.n()).done;) { - var listener = _step.value; - listener.apply(this, args); - } - } catch (err) { - _iterator.e(err); - } finally { - _iterator.f(); - } - } - _get(_getPrototypeOf(Socket.prototype), "emit", this).apply(this, args); - if (this._pid && args.length && typeof args[args.length - 1] === "string") { - this._lastOffset = args[args.length - 1]; - } - } - /** - * Produces an ack callback to emit with an event. - * - * @private - */ - }, { - key: "ack", - value: function ack(id) { - var self = this; - var sent = false; - return function () { - // prevent double callbacks - if (sent) return; - sent = true; - for (var _len6 = arguments.length, args = new Array(_len6), _key6 = 0; _key6 < _len6; _key6++) { - args[_key6] = arguments[_key6]; - } - self.packet({ - type: PacketType.ACK, - id: id, - data: args - }); - }; - } - /** - * Called upon a server acknowlegement. - * - * @param packet - * @private - */ - }, { - key: "onack", - value: function onack(packet) { - var ack = this.acks[packet.id]; - if ("function" === typeof ack) { - ack.apply(this, packet.data); - delete this.acks[packet.id]; - } - } - /** - * Called upon server connect. - * - * @private - */ - }, { - key: "onconnect", - value: function onconnect(id, pid) { - this.id = id; - this.recovered = pid && this._pid === pid; - this._pid = pid; // defined only if connection state recovery is enabled - this.connected = true; - this.emitBuffered(); - this.emitReserved("connect"); - this._drainQueue(true); - } - /** - * Emit buffered events (received and emitted). - * - * @private - */ - }, { - key: "emitBuffered", - value: function emitBuffered() { - var _this6 = this; - this.receiveBuffer.forEach(function (args) { - return _this6.emitEvent(args); - }); - this.receiveBuffer = []; - this.sendBuffer.forEach(function (packet) { - _this6.notifyOutgoingListeners(packet); - _this6.packet(packet); - }); - this.sendBuffer = []; - } - /** - * Called upon server disconnect. - * - * @private - */ - }, { - key: "ondisconnect", - value: function ondisconnect() { - this.destroy(); - this.onclose("io server disconnect"); - } - /** - * Called upon forced client/server side disconnections, - * this method ensures the manager stops tracking us and - * that reconnections don't get triggered for this. - * - * @private - */ - }, { - key: "destroy", - value: function destroy() { - if (this.subs) { - // clean subscriptions to avoid reconnections - this.subs.forEach(function (subDestroy) { - return subDestroy(); - }); - this.subs = undefined; - } - this.io["_destroy"](this); - } - /** - * Disconnects the socket manually. In that case, the socket will not try to reconnect. - * - * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed. - * - * @example - * const socket = io(); - * - * socket.on("disconnect", (reason) => { - * // console.log(reason); prints "io client disconnect" - * }); - * - * socket.disconnect(); - * - * @return self - */ - }, { - key: "disconnect", - value: function disconnect() { - if (this.connected) { - this.packet({ - type: PacketType.DISCONNECT - }); - } - // remove socket from pool - this.destroy(); - if (this.connected) { - // fire events - this.onclose("io client disconnect"); - } - return this; - } - /** - * Alias for {@link disconnect()}. - * - * @return self - */ - }, { - key: "close", - value: function close() { - return this.disconnect(); - } - /** - * Sets the compress flag. - * - * @example - * socket.compress(false).emit("hello"); - * - * @param compress - if `true`, compresses the sending data - * @return self - */ - }, { - key: "compress", - value: function compress(_compress) { - this.flags.compress = _compress; - return this; - } - /** - * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not - * ready to send messages. - * - * @example - * socket.volatile.emit("hello"); // the server may or may not receive it - * - * @returns self - */ - }, { - key: "volatile", - get: function get() { - this.flags["volatile"] = true; - return this; - } - /** - * Sets a modifier for a subsequent event emission that the callback will be called with an error when the - * given number of milliseconds have elapsed without an acknowledgement from the server: - * - * @example - * socket.timeout(5000).emit("my-event", (err) => { - * if (err) { - * // the server did not acknowledge the event in the given delay - * } - * }); - * - * @returns self - */ - }, { - key: "timeout", - value: function timeout(_timeout) { - this.flags.timeout = _timeout; - return this; - } - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. - * - * @example - * socket.onAny((event, ...args) => { - * console.log(`got ${event}`); - * }); - * - * @param listener - */ - }, { - key: "onAny", - value: function onAny(listener) { - this._anyListeners = this._anyListeners || []; - this._anyListeners.push(listener); - return this; - } - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. The listener is added to the beginning of the listeners array. - * - * @example - * socket.prependAny((event, ...args) => { - * console.log(`got event ${event}`); - * }); - * - * @param listener - */ - }, { - key: "prependAny", - value: function prependAny(listener) { - this._anyListeners = this._anyListeners || []; - this._anyListeners.unshift(listener); - return this; - } - /** - * Removes the listener that will be fired when any event is emitted. - * - * @example - * const catchAllListener = (event, ...args) => { - * console.log(`got event ${event}`); - * } - * - * socket.onAny(catchAllListener); - * - * // remove a specific listener - * socket.offAny(catchAllListener); - * - * // or remove all listeners - * socket.offAny(); - * - * @param listener - */ - }, { - key: "offAny", - value: function offAny(listener) { - if (!this._anyListeners) { - return this; - } - if (listener) { - var listeners = this._anyListeners; - for (var i = 0; i < listeners.length; i++) { - if (listener === listeners[i]) { - listeners.splice(i, 1); - return this; - } - } - } else { - this._anyListeners = []; - } - return this; - } - /** - * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, - * e.g. to remove listeners. - */ - }, { - key: "listenersAny", - value: function listenersAny() { - return this._anyListeners || []; - } - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. - * - * Note: acknowledgements sent to the server are not included. - * - * @example - * socket.onAnyOutgoing((event, ...args) => { - * console.log(`sent event ${event}`); - * }); - * - * @param listener - */ - }, { - key: "onAnyOutgoing", - value: function onAnyOutgoing(listener) { - this._anyOutgoingListeners = this._anyOutgoingListeners || []; - this._anyOutgoingListeners.push(listener); - return this; - } - /** - * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the - * callback. The listener is added to the beginning of the listeners array. - * - * Note: acknowledgements sent to the server are not included. - * - * @example - * socket.prependAnyOutgoing((event, ...args) => { - * console.log(`sent event ${event}`); - * }); - * - * @param listener - */ - }, { - key: "prependAnyOutgoing", - value: function prependAnyOutgoing(listener) { - this._anyOutgoingListeners = this._anyOutgoingListeners || []; - this._anyOutgoingListeners.unshift(listener); - return this; - } - /** - * Removes the listener that will be fired when any event is emitted. - * - * @example - * const catchAllListener = (event, ...args) => { - * console.log(`sent event ${event}`); - * } - * - * socket.onAnyOutgoing(catchAllListener); - * - * // remove a specific listener - * socket.offAnyOutgoing(catchAllListener); - * - * // or remove all listeners - * socket.offAnyOutgoing(); - * - * @param [listener] - the catch-all listener (optional) - */ - }, { - key: "offAnyOutgoing", - value: function offAnyOutgoing(listener) { - if (!this._anyOutgoingListeners) { - return this; - } - if (listener) { - var listeners = this._anyOutgoingListeners; - for (var i = 0; i < listeners.length; i++) { - if (listener === listeners[i]) { - listeners.splice(i, 1); - return this; - } - } - } else { - this._anyOutgoingListeners = []; - } - return this; - } - /** - * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, - * e.g. to remove listeners. - */ - }, { - key: "listenersAnyOutgoing", - value: function listenersAnyOutgoing() { - return this._anyOutgoingListeners || []; - } - /** - * Notify the listeners for each packet sent - * - * @param packet - * - * @private - */ - }, { - key: "notifyOutgoingListeners", - value: function notifyOutgoingListeners(packet) { - if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) { - var listeners = this._anyOutgoingListeners.slice(); - var _iterator2 = _createForOfIteratorHelper(listeners), - _step2; - try { - for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) { - var listener = _step2.value; - listener.apply(this, packet.data); - } - } catch (err) { - _iterator2.e(err); - } finally { - _iterator2.f(); - } - } - } - }]); - return Socket; - }(Emitter); - - /** - * Initialize backoff timer with `opts`. - * - * - `min` initial timeout in milliseconds [100] - * - `max` max timeout [10000] - * - `jitter` [0] - * - `factor` [2] - * - * @param {Object} opts - * @api public - */ - function Backoff(opts) { - opts = opts || {}; - this.ms = opts.min || 100; - this.max = opts.max || 10000; - this.factor = opts.factor || 2; - this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0; - this.attempts = 0; - } - /** - * Return the backoff duration. - * - * @return {Number} - * @api public - */ - Backoff.prototype.duration = function () { - var ms = this.ms * Math.pow(this.factor, this.attempts++); - if (this.jitter) { - var rand = Math.random(); - var deviation = Math.floor(rand * this.jitter * ms); - ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation; - } - return Math.min(ms, this.max) | 0; - }; - /** - * Reset the number of attempts. - * - * @api public - */ - Backoff.prototype.reset = function () { - this.attempts = 0; - }; - /** - * Set the minimum duration - * - * @api public - */ - Backoff.prototype.setMin = function (min) { - this.ms = min; - }; - /** - * Set the maximum duration - * - * @api public - */ - Backoff.prototype.setMax = function (max) { - this.max = max; - }; - /** - * Set the jitter - * - * @api public - */ - Backoff.prototype.setJitter = function (jitter) { - this.jitter = jitter; - }; - - var Manager = /*#__PURE__*/function (_Emitter) { - _inherits(Manager, _Emitter); - var _super = _createSuper(Manager); - function Manager(uri, opts) { - var _this; - _classCallCheck(this, Manager); - var _a; - _this = _super.call(this); - _this.nsps = {}; - _this.subs = []; - if (uri && "object" === _typeof(uri)) { - opts = uri; - uri = undefined; - } - opts = opts || {}; - opts.path = opts.path || "/socket.io"; - _this.opts = opts; - installTimerFunctions(_assertThisInitialized(_this), opts); - _this.reconnection(opts.reconnection !== false); - _this.reconnectionAttempts(opts.reconnectionAttempts || Infinity); - _this.reconnectionDelay(opts.reconnectionDelay || 1000); - _this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000); - _this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5); - _this.backoff = new Backoff({ - min: _this.reconnectionDelay(), - max: _this.reconnectionDelayMax(), - jitter: _this.randomizationFactor() - }); - _this.timeout(null == opts.timeout ? 20000 : opts.timeout); - _this._readyState = "closed"; - _this.uri = uri; - var _parser = opts.parser || parser; - _this.encoder = new _parser.Encoder(); - _this.decoder = new _parser.Decoder(); - _this._autoConnect = opts.autoConnect !== false; - if (_this._autoConnect) _this.open(); - return _this; - } - _createClass(Manager, [{ - key: "reconnection", - value: function reconnection(v) { - if (!arguments.length) return this._reconnection; - this._reconnection = !!v; - return this; - } - }, { - key: "reconnectionAttempts", - value: function reconnectionAttempts(v) { - if (v === undefined) return this._reconnectionAttempts; - this._reconnectionAttempts = v; - return this; - } - }, { - key: "reconnectionDelay", - value: function reconnectionDelay(v) { - var _a; - if (v === undefined) return this._reconnectionDelay; - this._reconnectionDelay = v; - (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v); - return this; - } - }, { - key: "randomizationFactor", - value: function randomizationFactor(v) { - var _a; - if (v === undefined) return this._randomizationFactor; - this._randomizationFactor = v; - (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v); - return this; - } - }, { - key: "reconnectionDelayMax", - value: function reconnectionDelayMax(v) { - var _a; - if (v === undefined) return this._reconnectionDelayMax; - this._reconnectionDelayMax = v; - (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v); - return this; - } - }, { - key: "timeout", - value: function timeout(v) { - if (!arguments.length) return this._timeout; - this._timeout = v; - return this; - } - /** - * Starts trying to reconnect if reconnection is enabled and we have not - * started reconnecting yet - * - * @private - */ - }, { - key: "maybeReconnectOnOpen", - value: function maybeReconnectOnOpen() { - // Only try to reconnect if it's the first time we're connecting - if (!this._reconnecting && this._reconnection && this.backoff.attempts === 0) { - // keeps reconnection from firing twice for the same reconnection loop - this.reconnect(); - } - } - /** - * Sets the current transport `socket`. - * - * @param {Function} fn - optional, callback - * @return self - * @public - */ - }, { - key: "open", - value: function open(fn) { - var _this2 = this; - if (~this._readyState.indexOf("open")) return this; - this.engine = new Socket$1(this.uri, this.opts); - var socket = this.engine; - var self = this; - this._readyState = "opening"; - this.skipReconnect = false; - // emit `open` - var openSubDestroy = on(socket, "open", function () { - self.onopen(); - fn && fn(); - }); - var onError = function onError(err) { - _this2.cleanup(); - _this2._readyState = "closed"; - _this2.emitReserved("error", err); - if (fn) { - fn(err); - } else { - // Only do this if there is no fn to handle the error - _this2.maybeReconnectOnOpen(); - } - }; - // emit `error` - var errorSub = on(socket, "error", onError); - if (false !== this._timeout) { - var timeout = this._timeout; - // set timer - var timer = this.setTimeoutFn(function () { - openSubDestroy(); - onError(new Error("timeout")); - socket.close(); - }, timeout); - if (this.opts.autoUnref) { - timer.unref(); - } - this.subs.push(function () { - _this2.clearTimeoutFn(timer); - }); - } - this.subs.push(openSubDestroy); - this.subs.push(errorSub); - return this; - } - /** - * Alias for open() - * - * @return self - * @public - */ - }, { - key: "connect", - value: function connect(fn) { - return this.open(fn); - } - /** - * Called upon transport open. - * - * @private - */ - }, { - key: "onopen", - value: function onopen() { - // clear old subs - this.cleanup(); - // mark as open - this._readyState = "open"; - this.emitReserved("open"); - // add new subs - var socket = this.engine; - this.subs.push(on(socket, "ping", this.onping.bind(this)), on(socket, "data", this.ondata.bind(this)), on(socket, "error", this.onerror.bind(this)), on(socket, "close", this.onclose.bind(this)), on(this.decoder, "decoded", this.ondecoded.bind(this))); - } - /** - * Called upon a ping. - * - * @private - */ - }, { - key: "onping", - value: function onping() { - this.emitReserved("ping"); - } - /** - * Called with data. - * - * @private - */ - }, { - key: "ondata", - value: function ondata(data) { - try { - this.decoder.add(data); - } catch (e) { - this.onclose("parse error", e); - } - } - /** - * Called when parser fully decodes a packet. - * - * @private - */ - }, { - key: "ondecoded", - value: function ondecoded(packet) { - var _this3 = this; - // the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a "parse error" - nextTick(function () { - _this3.emitReserved("packet", packet); - }, this.setTimeoutFn); - } - /** - * Called upon socket error. - * - * @private - */ - }, { - key: "onerror", - value: function onerror(err) { - this.emitReserved("error", err); - } - /** - * Creates a new socket for the given `nsp`. - * - * @return {Socket} - * @public - */ - }, { - key: "socket", - value: function socket(nsp, opts) { - var socket = this.nsps[nsp]; - if (!socket) { - socket = new Socket(this, nsp, opts); - this.nsps[nsp] = socket; - } else if (this._autoConnect && !socket.active) { - socket.connect(); - } - return socket; - } - /** - * Called upon a socket close. - * - * @param socket - * @private - */ - }, { - key: "_destroy", - value: function _destroy(socket) { - var nsps = Object.keys(this.nsps); - for (var _i = 0, _nsps = nsps; _i < _nsps.length; _i++) { - var nsp = _nsps[_i]; - var _socket = this.nsps[nsp]; - if (_socket.active) { - return; - } - } - this._close(); - } - /** - * Writes a packet. - * - * @param packet - * @private - */ - }, { - key: "_packet", - value: function _packet(packet) { - var encodedPackets = this.encoder.encode(packet); - for (var i = 0; i < encodedPackets.length; i++) { - this.engine.write(encodedPackets[i], packet.options); - } - } - /** - * Clean up transport subscriptions and packet buffer. - * - * @private - */ - }, { - key: "cleanup", - value: function cleanup() { - this.subs.forEach(function (subDestroy) { - return subDestroy(); - }); - this.subs.length = 0; - this.decoder.destroy(); - } - /** - * Close the current socket. - * - * @private - */ - }, { - key: "_close", - value: function _close() { - this.skipReconnect = true; - this._reconnecting = false; - this.onclose("forced close"); - if (this.engine) this.engine.close(); - } - /** - * Alias for close() - * - * @private - */ - }, { - key: "disconnect", - value: function disconnect() { - return this._close(); - } - /** - * Called upon engine close. - * - * @private - */ - }, { - key: "onclose", - value: function onclose(reason, description) { - this.cleanup(); - this.backoff.reset(); - this._readyState = "closed"; - this.emitReserved("close", reason, description); - if (this._reconnection && !this.skipReconnect) { - this.reconnect(); - } - } - /** - * Attempt a reconnection. - * - * @private - */ - }, { - key: "reconnect", - value: function reconnect() { - var _this4 = this; - if (this._reconnecting || this.skipReconnect) return this; - var self = this; - if (this.backoff.attempts >= this._reconnectionAttempts) { - this.backoff.reset(); - this.emitReserved("reconnect_failed"); - this._reconnecting = false; - } else { - var delay = this.backoff.duration(); - this._reconnecting = true; - var timer = this.setTimeoutFn(function () { - if (self.skipReconnect) return; - _this4.emitReserved("reconnect_attempt", self.backoff.attempts); - // check again for the case socket closed in above events - if (self.skipReconnect) return; - self.open(function (err) { - if (err) { - self._reconnecting = false; - self.reconnect(); - _this4.emitReserved("reconnect_error", err); - } else { - self.onreconnect(); - } - }); - }, delay); - if (this.opts.autoUnref) { - timer.unref(); - } - this.subs.push(function () { - _this4.clearTimeoutFn(timer); - }); - } - } - /** - * Called upon successful reconnect. - * - * @private - */ - }, { - key: "onreconnect", - value: function onreconnect() { - var attempt = this.backoff.attempts; - this._reconnecting = false; - this.backoff.reset(); - this.emitReserved("reconnect", attempt); - } - }]); - return Manager; - }(Emitter); - - /** - * Managers cache. - */ - var cache = {}; - function lookup(uri, opts) { - if (_typeof(uri) === "object") { - opts = uri; - uri = undefined; - } - opts = opts || {}; - var parsed = url(uri, opts.path || "/socket.io"); - var source = parsed.source; - var id = parsed.id; - var path = parsed.path; - var sameNamespace = cache[id] && path in cache[id]["nsps"]; - var newConnection = opts.forceNew || opts["force new connection"] || false === opts.multiplex || sameNamespace; - var io; - if (newConnection) { - io = new Manager(source, opts); - } else { - if (!cache[id]) { - cache[id] = new Manager(source, opts); - } - io = cache[id]; - } - if (parsed.query && !opts.query) { - opts.query = parsed.queryKey; - } - return io.socket(parsed.path, opts); - } - // so that "lookup" can be used both as a function (e.g. `io(...)`) and as a - // namespace (e.g. `io.connect(...)`), for backward compatibility - _extends(lookup, { - Manager: Manager, - Socket: Socket, - io: lookup, - connect: lookup - }); - - return lookup; - -})); -//# sourceMappingURL=socket.io.js.map diff --git a/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.js.map b/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.js.map deleted file mode 100644 index a8d418a0..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.js.map +++ /dev/null @@ -1 +0,0 @@ -{"version":3,"file":"socket.io.js","sources":["../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/commons.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/encodePacket.browser.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/decodePacket.browser.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/index.js","../node_modules/@socket.io/component-emitter/index.mjs","../node_modules/engine.io-client/build/esm/globalThis.browser.js","../node_modules/engine.io-client/build/esm/util.js","../node_modules/engine.io-client/build/esm/contrib/parseqs.js","../node_modules/engine.io-client/build/esm/transport.js","../node_modules/engine.io-client/build/esm/contrib/yeast.js","../node_modules/engine.io-client/build/esm/contrib/has-cors.js","../node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.js","../node_modules/engine.io-client/build/esm/transports/polling.js","../node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.js","../node_modules/engine.io-client/build/esm/transports/websocket.js","../node_modules/engine.io-client/build/esm/transports/webtransport.js","../node_modules/engine.io-client/build/esm/transports/index.js","../node_modules/engine.io-client/build/esm/contrib/parseuri.js","../node_modules/engine.io-client/build/esm/socket.js","../node_modules/engine.io-client/build/esm/index.js","../build/esm/url.js","../node_modules/socket.io-parser/build/esm/is-binary.js","../node_modules/socket.io-parser/build/esm/binary.js","../node_modules/socket.io-parser/build/esm/index.js","../build/esm/on.js","../build/esm/socket.js","../build/esm/contrib/backo2.js","../build/esm/manager.js","../build/esm/index.js"],"sourcesContent":["const PACKET_TYPES = Object.create(null); // no Map = no polyfill\nPACKET_TYPES[\"open\"] = \"0\";\nPACKET_TYPES[\"close\"] = \"1\";\nPACKET_TYPES[\"ping\"] = \"2\";\nPACKET_TYPES[\"pong\"] = \"3\";\nPACKET_TYPES[\"message\"] = \"4\";\nPACKET_TYPES[\"upgrade\"] = \"5\";\nPACKET_TYPES[\"noop\"] = \"6\";\nconst PACKET_TYPES_REVERSE = Object.create(null);\nObject.keys(PACKET_TYPES).forEach(key => {\n PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;\n});\nconst ERROR_PACKET = { type: \"error\", data: \"parser error\" };\nexport { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET };\n","import { PACKET_TYPES } from \"./commons.js\";\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n Object.prototype.toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\n// ArrayBuffer.isView method is not defined in IE10\nconst isView = obj => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj && obj.buffer instanceof ArrayBuffer;\n};\nconst encodePacket = ({ type, data }, supportsBinary, callback) => {\n if (withNativeBlob && data instanceof Blob) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(data, callback);\n }\n }\n else if (withNativeArrayBuffer &&\n (data instanceof ArrayBuffer || isView(data))) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(new Blob([data]), callback);\n }\n }\n // plain string\n return callback(PACKET_TYPES[type] + (data || \"\"));\n};\nconst encodeBlobAsBase64 = (data, callback) => {\n const fileReader = new FileReader();\n fileReader.onload = function () {\n const content = fileReader.result.split(\",\")[1];\n callback(\"b\" + (content || \"\"));\n };\n return fileReader.readAsDataURL(data);\n};\nfunction toArray(data) {\n if (data instanceof Uint8Array) {\n return data;\n }\n else if (data instanceof ArrayBuffer) {\n return new Uint8Array(data);\n }\n else {\n return new Uint8Array(data.buffer, data.byteOffset, data.byteLength);\n }\n}\nlet TEXT_ENCODER;\nexport function encodePacketToBinary(packet, callback) {\n if (withNativeBlob && packet.data instanceof Blob) {\n return packet.data\n .arrayBuffer()\n .then(toArray)\n .then(callback);\n }\n else if (withNativeArrayBuffer &&\n (packet.data instanceof ArrayBuffer || isView(packet.data))) {\n return callback(toArray(packet.data));\n }\n encodePacket(packet, false, encoded => {\n if (!TEXT_ENCODER) {\n TEXT_ENCODER = new TextEncoder();\n }\n callback(TEXT_ENCODER.encode(encoded));\n });\n}\nexport { encodePacket };\n","// imported from https://github.com/socketio/base64-arraybuffer\nconst chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\n// Use a lookup table to find the index.\nconst lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256);\nfor (let i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n}\nexport const encode = (arraybuffer) => {\n let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = '';\n for (i = 0; i < len; i += 3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n if (len % 3 === 2) {\n base64 = base64.substring(0, base64.length - 1) + '=';\n }\n else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + '==';\n }\n return base64;\n};\nexport const decode = (base64) => {\n let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;\n if (base64[base64.length - 1] === '=') {\n bufferLength--;\n if (base64[base64.length - 2] === '=') {\n bufferLength--;\n }\n }\n const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);\n for (i = 0; i < len; i += 4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i + 1)];\n encoded3 = lookup[base64.charCodeAt(i + 2)];\n encoded4 = lookup[base64.charCodeAt(i + 3)];\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n return arraybuffer;\n};\n","import { ERROR_PACKET, PACKET_TYPES_REVERSE } from \"./commons.js\";\nimport { decode } from \"./contrib/base64-arraybuffer.js\";\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nexport const decodePacket = (encodedPacket, binaryType) => {\n if (typeof encodedPacket !== \"string\") {\n return {\n type: \"message\",\n data: mapBinary(encodedPacket, binaryType)\n };\n }\n const type = encodedPacket.charAt(0);\n if (type === \"b\") {\n return {\n type: \"message\",\n data: decodeBase64Packet(encodedPacket.substring(1), binaryType)\n };\n }\n const packetType = PACKET_TYPES_REVERSE[type];\n if (!packetType) {\n return ERROR_PACKET;\n }\n return encodedPacket.length > 1\n ? {\n type: PACKET_TYPES_REVERSE[type],\n data: encodedPacket.substring(1)\n }\n : {\n type: PACKET_TYPES_REVERSE[type]\n };\n};\nconst decodeBase64Packet = (data, binaryType) => {\n if (withNativeArrayBuffer) {\n const decoded = decode(data);\n return mapBinary(decoded, binaryType);\n }\n else {\n return { base64: true, data }; // fallback for old browsers\n }\n};\nconst mapBinary = (data, binaryType) => {\n switch (binaryType) {\n case \"blob\":\n if (data instanceof Blob) {\n // from WebSocket + binaryType \"blob\"\n return data;\n }\n else {\n // from HTTP long-polling or WebTransport\n return new Blob([data]);\n }\n case \"arraybuffer\":\n default:\n if (data instanceof ArrayBuffer) {\n // from HTTP long-polling (base64) or WebSocket + binaryType \"arraybuffer\"\n return data;\n }\n else {\n // from WebTransport (Uint8Array)\n return data.buffer;\n }\n }\n};\n","import { encodePacket, encodePacketToBinary } from \"./encodePacket.js\";\nimport { decodePacket } from \"./decodePacket.js\";\nimport { ERROR_PACKET } from \"./commons.js\";\nconst SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text\nconst encodePayload = (packets, callback) => {\n // some packets may be added to the array while encoding, so the initial length must be saved\n const length = packets.length;\n const encodedPackets = new Array(length);\n let count = 0;\n packets.forEach((packet, i) => {\n // force base64 encoding for binary packets\n encodePacket(packet, false, encodedPacket => {\n encodedPackets[i] = encodedPacket;\n if (++count === length) {\n callback(encodedPackets.join(SEPARATOR));\n }\n });\n });\n};\nconst decodePayload = (encodedPayload, binaryType) => {\n const encodedPackets = encodedPayload.split(SEPARATOR);\n const packets = [];\n for (let i = 0; i < encodedPackets.length; i++) {\n const decodedPacket = decodePacket(encodedPackets[i], binaryType);\n packets.push(decodedPacket);\n if (decodedPacket.type === \"error\") {\n break;\n }\n }\n return packets;\n};\nexport function createPacketEncoderStream() {\n return new TransformStream({\n transform(packet, controller) {\n encodePacketToBinary(packet, encodedPacket => {\n const payloadLength = encodedPacket.length;\n let header;\n // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length\n if (payloadLength < 126) {\n header = new Uint8Array(1);\n new DataView(header.buffer).setUint8(0, payloadLength);\n }\n else if (payloadLength < 65536) {\n header = new Uint8Array(3);\n const view = new DataView(header.buffer);\n view.setUint8(0, 126);\n view.setUint16(1, payloadLength);\n }\n else {\n header = new Uint8Array(9);\n const view = new DataView(header.buffer);\n view.setUint8(0, 127);\n view.setBigUint64(1, BigInt(payloadLength));\n }\n // first bit indicates whether the payload is plain text (0) or binary (1)\n if (packet.data && typeof packet.data !== \"string\") {\n header[0] |= 0x80;\n }\n controller.enqueue(header);\n controller.enqueue(encodedPacket);\n });\n }\n });\n}\nlet TEXT_DECODER;\nfunction totalLength(chunks) {\n return chunks.reduce((acc, chunk) => acc + chunk.length, 0);\n}\nfunction concatChunks(chunks, size) {\n if (chunks[0].length === size) {\n return chunks.shift();\n }\n const buffer = new Uint8Array(size);\n let j = 0;\n for (let i = 0; i < size; i++) {\n buffer[i] = chunks[0][j++];\n if (j === chunks[0].length) {\n chunks.shift();\n j = 0;\n }\n }\n if (chunks.length && j < chunks[0].length) {\n chunks[0] = chunks[0].slice(j);\n }\n return buffer;\n}\nexport function createPacketDecoderStream(maxPayload, binaryType) {\n if (!TEXT_DECODER) {\n TEXT_DECODER = new TextDecoder();\n }\n const chunks = [];\n let state = 0 /* READ_HEADER */;\n let expectedLength = -1;\n let isBinary = false;\n return new TransformStream({\n transform(chunk, controller) {\n chunks.push(chunk);\n while (true) {\n if (state === 0 /* READ_HEADER */) {\n if (totalLength(chunks) < 1) {\n break;\n }\n const header = concatChunks(chunks, 1);\n isBinary = (header[0] & 0x80) === 0x80;\n expectedLength = header[0] & 0x7f;\n if (expectedLength < 126) {\n state = 3 /* READ_PAYLOAD */;\n }\n else if (expectedLength === 126) {\n state = 1 /* READ_EXTENDED_LENGTH_16 */;\n }\n else {\n state = 2 /* READ_EXTENDED_LENGTH_64 */;\n }\n }\n else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) {\n if (totalLength(chunks) < 2) {\n break;\n }\n const headerArray = concatChunks(chunks, 2);\n expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0);\n state = 3 /* READ_PAYLOAD */;\n }\n else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) {\n if (totalLength(chunks) < 8) {\n break;\n }\n const headerArray = concatChunks(chunks, 8);\n const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length);\n const n = view.getUint32(0);\n if (n > Math.pow(2, 53 - 32) - 1) {\n // the maximum safe integer in JavaScript is 2^53 - 1\n controller.enqueue(ERROR_PACKET);\n break;\n }\n expectedLength = n * Math.pow(2, 32) + view.getUint32(4);\n state = 3 /* READ_PAYLOAD */;\n }\n else {\n if (totalLength(chunks) < expectedLength) {\n break;\n }\n const data = concatChunks(chunks, expectedLength);\n controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType));\n state = 0 /* READ_HEADER */;\n }\n if (expectedLength === 0 || expectedLength > maxPayload) {\n controller.enqueue(ERROR_PACKET);\n break;\n }\n }\n }\n });\n}\nexport const protocol = 4;\nexport { encodePacket, encodePayload, decodePacket, decodePayload };\n","/**\n * Initialize a new `Emitter`.\n *\n * @api public\n */\n\nexport function Emitter(obj) {\n if (obj) return mixin(obj);\n}\n\n/**\n * Mixin the emitter properties.\n *\n * @param {Object} obj\n * @return {Object}\n * @api private\n */\n\nfunction mixin(obj) {\n for (var key in Emitter.prototype) {\n obj[key] = Emitter.prototype[key];\n }\n return obj;\n}\n\n/**\n * Listen on the given `event` with `fn`.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.on =\nEmitter.prototype.addEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\n .push(fn);\n return this;\n};\n\n/**\n * Adds an `event` listener that will be invoked a single\n * time then automatically removed.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.once = function(event, fn){\n function on() {\n this.off(event, on);\n fn.apply(this, arguments);\n }\n\n on.fn = fn;\n this.on(event, on);\n return this;\n};\n\n/**\n * Remove the given callback for `event` or all\n * registered callbacks.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.off =\nEmitter.prototype.removeListener =\nEmitter.prototype.removeAllListeners =\nEmitter.prototype.removeEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n\n // all\n if (0 == arguments.length) {\n this._callbacks = {};\n return this;\n }\n\n // specific event\n var callbacks = this._callbacks['$' + event];\n if (!callbacks) return this;\n\n // remove all handlers\n if (1 == arguments.length) {\n delete this._callbacks['$' + event];\n return this;\n }\n\n // remove specific handler\n var cb;\n for (var i = 0; i < callbacks.length; i++) {\n cb = callbacks[i];\n if (cb === fn || cb.fn === fn) {\n callbacks.splice(i, 1);\n break;\n }\n }\n\n // Remove event specific arrays for event types that no\n // one is subscribed for to avoid memory leak.\n if (callbacks.length === 0) {\n delete this._callbacks['$' + event];\n }\n\n return this;\n};\n\n/**\n * Emit `event` with the given args.\n *\n * @param {String} event\n * @param {Mixed} ...\n * @return {Emitter}\n */\n\nEmitter.prototype.emit = function(event){\n this._callbacks = this._callbacks || {};\n\n var args = new Array(arguments.length - 1)\n , callbacks = this._callbacks['$' + event];\n\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n\n if (callbacks) {\n callbacks = callbacks.slice(0);\n for (var i = 0, len = callbacks.length; i < len; ++i) {\n callbacks[i].apply(this, args);\n }\n }\n\n return this;\n};\n\n// alias used for reserved events (protected method)\nEmitter.prototype.emitReserved = Emitter.prototype.emit;\n\n/**\n * Return array of callbacks for `event`.\n *\n * @param {String} event\n * @return {Array}\n * @api public\n */\n\nEmitter.prototype.listeners = function(event){\n this._callbacks = this._callbacks || {};\n return this._callbacks['$' + event] || [];\n};\n\n/**\n * Check if this emitter has `event` handlers.\n *\n * @param {String} event\n * @return {Boolean}\n * @api public\n */\n\nEmitter.prototype.hasListeners = function(event){\n return !! this.listeners(event).length;\n};\n","export const globalThisShim = (() => {\n if (typeof self !== \"undefined\") {\n return self;\n }\n else if (typeof window !== \"undefined\") {\n return window;\n }\n else {\n return Function(\"return this\")();\n }\n})();\n","import { globalThisShim as globalThis } from \"./globalThis.js\";\nexport function pick(obj, ...attr) {\n return attr.reduce((acc, k) => {\n if (obj.hasOwnProperty(k)) {\n acc[k] = obj[k];\n }\n return acc;\n }, {});\n}\n// Keep a reference to the real timeout functions so they can be used when overridden\nconst NATIVE_SET_TIMEOUT = globalThis.setTimeout;\nconst NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout;\nexport function installTimerFunctions(obj, opts) {\n if (opts.useNativeTimers) {\n obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis);\n obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis);\n }\n else {\n obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis);\n obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis);\n }\n}\n// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64)\nconst BASE64_OVERHEAD = 1.33;\n// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9\nexport function byteLength(obj) {\n if (typeof obj === \"string\") {\n return utf8Length(obj);\n }\n // arraybuffer or blob\n return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD);\n}\nfunction utf8Length(str) {\n let c = 0, length = 0;\n for (let i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n length += 1;\n }\n else if (c < 0x800) {\n length += 2;\n }\n else if (c < 0xd800 || c >= 0xe000) {\n length += 3;\n }\n else {\n i++;\n length += 4;\n }\n }\n return length;\n}\n","// imported from https://github.com/galkn/querystring\n/**\n * Compiles a querystring\n * Returns string representation of the object\n *\n * @param {Object}\n * @api private\n */\nexport function encode(obj) {\n let str = '';\n for (let i in obj) {\n if (obj.hasOwnProperty(i)) {\n if (str.length)\n str += '&';\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\n }\n }\n return str;\n}\n/**\n * Parses a simple querystring into an object\n *\n * @param {String} qs\n * @api private\n */\nexport function decode(qs) {\n let qry = {};\n let pairs = qs.split('&');\n for (let i = 0, l = pairs.length; i < l; i++) {\n let pair = pairs[i].split('=');\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n }\n return qry;\n}\n","import { decodePacket } from \"engine.io-parser\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions } from \"./util.js\";\nimport { encode } from \"./contrib/parseqs.js\";\nclass TransportError extends Error {\n constructor(reason, description, context) {\n super(reason);\n this.description = description;\n this.context = context;\n this.type = \"TransportError\";\n }\n}\nexport class Transport extends Emitter {\n /**\n * Transport abstract constructor.\n *\n * @param {Object} opts - options\n * @protected\n */\n constructor(opts) {\n super();\n this.writable = false;\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.query = opts.query;\n this.socket = opts.socket;\n }\n /**\n * Emits an error.\n *\n * @param {String} reason\n * @param description\n * @param context - the error context\n * @return {Transport} for chaining\n * @protected\n */\n onError(reason, description, context) {\n super.emitReserved(\"error\", new TransportError(reason, description, context));\n return this;\n }\n /**\n * Opens the transport.\n */\n open() {\n this.readyState = \"opening\";\n this.doOpen();\n return this;\n }\n /**\n * Closes the transport.\n */\n close() {\n if (this.readyState === \"opening\" || this.readyState === \"open\") {\n this.doClose();\n this.onClose();\n }\n return this;\n }\n /**\n * Sends multiple packets.\n *\n * @param {Array} packets\n */\n send(packets) {\n if (this.readyState === \"open\") {\n this.write(packets);\n }\n else {\n // this might happen if the transport was silently closed in the beforeunload event handler\n }\n }\n /**\n * Called upon open\n *\n * @protected\n */\n onOpen() {\n this.readyState = \"open\";\n this.writable = true;\n super.emitReserved(\"open\");\n }\n /**\n * Called with data.\n *\n * @param {String} data\n * @protected\n */\n onData(data) {\n const packet = decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n }\n /**\n * Called with a decoded packet.\n *\n * @protected\n */\n onPacket(packet) {\n super.emitReserved(\"packet\", packet);\n }\n /**\n * Called upon close.\n *\n * @protected\n */\n onClose(details) {\n this.readyState = \"closed\";\n super.emitReserved(\"close\", details);\n }\n /**\n * Pauses the transport, in order not to lose packets during an upgrade.\n *\n * @param onPause\n */\n pause(onPause) { }\n createUri(schema, query = {}) {\n return (schema +\n \"://\" +\n this._hostname() +\n this._port() +\n this.opts.path +\n this._query(query));\n }\n _hostname() {\n const hostname = this.opts.hostname;\n return hostname.indexOf(\":\") === -1 ? hostname : \"[\" + hostname + \"]\";\n }\n _port() {\n if (this.opts.port &&\n ((this.opts.secure && Number(this.opts.port !== 443)) ||\n (!this.opts.secure && Number(this.opts.port) !== 80))) {\n return \":\" + this.opts.port;\n }\n else {\n return \"\";\n }\n }\n _query(query) {\n const encodedQuery = encode(query);\n return encodedQuery.length ? \"?\" + encodedQuery : \"\";\n }\n}\n","// imported from https://github.com/unshiftio/yeast\n'use strict';\nconst alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {};\nlet seed = 0, i = 0, prev;\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nexport function encode(num) {\n let encoded = '';\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n return encoded;\n}\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nexport function decode(str) {\n let decoded = 0;\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n return decoded;\n}\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nexport function yeast() {\n const now = encode(+new Date());\n if (now !== prev)\n return seed = 0, prev = now;\n return now + '.' + encode(seed++);\n}\n//\n// Map each character to its index.\n//\nfor (; i < length; i++)\n map[alphabet[i]] = i;\n","// imported from https://github.com/component/has-cors\nlet value = false;\ntry {\n value = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n}\ncatch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n}\nexport const hasCORS = value;\n","// browser shim for xmlhttprequest module\nimport { hasCORS } from \"../contrib/has-cors.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nexport function XHR(opts) {\n const xdomain = opts.xdomain;\n // XMLHttpRequest can be disabled on IE\n try {\n if (\"undefined\" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n }\n catch (e) { }\n if (!xdomain) {\n try {\n return new globalThis[[\"Active\"].concat(\"Object\").join(\"X\")](\"Microsoft.XMLHTTP\");\n }\n catch (e) { }\n }\n}\nexport function createCookieJar() { }\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { encodePayload, decodePayload } from \"engine.io-parser\";\nimport { createCookieJar, XHR as XMLHttpRequest, } from \"./xmlhttprequest.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions, pick } from \"../util.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nfunction empty() { }\nconst hasXHR2 = (function () {\n const xhr = new XMLHttpRequest({\n xdomain: false,\n });\n return null != xhr.responseType;\n})();\nexport class Polling extends Transport {\n /**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @package\n */\n constructor(opts) {\n super(opts);\n this.polling = false;\n if (typeof location !== \"undefined\") {\n const isSSL = \"https:\" === location.protocol;\n let port = location.port;\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? \"443\" : \"80\";\n }\n this.xd =\n (typeof location !== \"undefined\" &&\n opts.hostname !== location.hostname) ||\n port !== opts.port;\n }\n /**\n * XHR supports binary\n */\n const forceBase64 = opts && opts.forceBase64;\n this.supportsBinary = hasXHR2 && !forceBase64;\n if (this.opts.withCredentials) {\n this.cookieJar = createCookieJar();\n }\n }\n get name() {\n return \"polling\";\n }\n /**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @protected\n */\n doOpen() {\n this.poll();\n }\n /**\n * Pauses polling.\n *\n * @param {Function} onPause - callback upon buffers are flushed and transport is paused\n * @package\n */\n pause(onPause) {\n this.readyState = \"pausing\";\n const pause = () => {\n this.readyState = \"paused\";\n onPause();\n };\n if (this.polling || !this.writable) {\n let total = 0;\n if (this.polling) {\n total++;\n this.once(\"pollComplete\", function () {\n --total || pause();\n });\n }\n if (!this.writable) {\n total++;\n this.once(\"drain\", function () {\n --total || pause();\n });\n }\n }\n else {\n pause();\n }\n }\n /**\n * Starts polling cycle.\n *\n * @private\n */\n poll() {\n this.polling = true;\n this.doPoll();\n this.emitReserved(\"poll\");\n }\n /**\n * Overloads onData to detect payloads.\n *\n * @protected\n */\n onData(data) {\n const callback = (packet) => {\n // if its the first message we consider the transport open\n if (\"opening\" === this.readyState && packet.type === \"open\") {\n this.onOpen();\n }\n // if its a close packet, we close the ongoing requests\n if (\"close\" === packet.type) {\n this.onClose({ description: \"transport closed by the server\" });\n return false;\n }\n // otherwise bypass onData and handle the message\n this.onPacket(packet);\n };\n // decode payload\n decodePayload(data, this.socket.binaryType).forEach(callback);\n // if an event did not trigger closing\n if (\"closed\" !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emitReserved(\"pollComplete\");\n if (\"open\" === this.readyState) {\n this.poll();\n }\n else {\n }\n }\n }\n /**\n * For polling, send a close packet.\n *\n * @protected\n */\n doClose() {\n const close = () => {\n this.write([{ type: \"close\" }]);\n };\n if (\"open\" === this.readyState) {\n close();\n }\n else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n this.once(\"open\", close);\n }\n }\n /**\n * Writes a packets payload.\n *\n * @param {Array} packets - data packets\n * @protected\n */\n write(packets) {\n this.writable = false;\n encodePayload(packets, (data) => {\n this.doWrite(data, () => {\n this.writable = true;\n this.emitReserved(\"drain\");\n });\n });\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"https\" : \"http\";\n const query = this.query || {};\n // cache busting is forced\n if (false !== this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Creates a request.\n *\n * @param {String} method\n * @private\n */\n request(opts = {}) {\n Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts);\n return new Request(this.uri(), opts);\n }\n /**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @private\n */\n doWrite(data, fn) {\n const req = this.request({\n method: \"POST\",\n data: data,\n });\n req.on(\"success\", fn);\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr post error\", xhrStatus, context);\n });\n }\n /**\n * Starts a poll cycle.\n *\n * @private\n */\n doPoll() {\n const req = this.request();\n req.on(\"data\", this.onData.bind(this));\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr poll error\", xhrStatus, context);\n });\n this.pollXhr = req;\n }\n}\nexport class Request extends Emitter {\n /**\n * Request constructor\n *\n * @param {Object} options\n * @package\n */\n constructor(uri, opts) {\n super();\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.method = opts.method || \"GET\";\n this.uri = uri;\n this.data = undefined !== opts.data ? opts.data : null;\n this.create();\n }\n /**\n * Creates the XHR object and sends the request.\n *\n * @private\n */\n create() {\n var _a;\n const opts = pick(this.opts, \"agent\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"autoUnref\");\n opts.xdomain = !!this.opts.xd;\n const xhr = (this.xhr = new XMLHttpRequest(opts));\n try {\n xhr.open(this.method, this.uri, true);\n try {\n if (this.opts.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (let i in this.opts.extraHeaders) {\n if (this.opts.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.opts.extraHeaders[i]);\n }\n }\n }\n }\n catch (e) { }\n if (\"POST\" === this.method) {\n try {\n xhr.setRequestHeader(\"Content-type\", \"text/plain;charset=UTF-8\");\n }\n catch (e) { }\n }\n try {\n xhr.setRequestHeader(\"Accept\", \"*/*\");\n }\n catch (e) { }\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr);\n // ie6 check\n if (\"withCredentials\" in xhr) {\n xhr.withCredentials = this.opts.withCredentials;\n }\n if (this.opts.requestTimeout) {\n xhr.timeout = this.opts.requestTimeout;\n }\n xhr.onreadystatechange = () => {\n var _a;\n if (xhr.readyState === 3) {\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr);\n }\n if (4 !== xhr.readyState)\n return;\n if (200 === xhr.status || 1223 === xhr.status) {\n this.onLoad();\n }\n else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n this.setTimeoutFn(() => {\n this.onError(typeof xhr.status === \"number\" ? xhr.status : 0);\n }, 0);\n }\n };\n xhr.send(this.data);\n }\n catch (e) {\n // Need to defer since .create() is called directly from the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n this.setTimeoutFn(() => {\n this.onError(e);\n }, 0);\n return;\n }\n if (typeof document !== \"undefined\") {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n }\n /**\n * Called upon error.\n *\n * @private\n */\n onError(err) {\n this.emitReserved(\"error\", err, this.xhr);\n this.cleanup(true);\n }\n /**\n * Cleans up house.\n *\n * @private\n */\n cleanup(fromError) {\n if (\"undefined\" === typeof this.xhr || null === this.xhr) {\n return;\n }\n this.xhr.onreadystatechange = empty;\n if (fromError) {\n try {\n this.xhr.abort();\n }\n catch (e) { }\n }\n if (typeof document !== \"undefined\") {\n delete Request.requests[this.index];\n }\n this.xhr = null;\n }\n /**\n * Called upon load.\n *\n * @private\n */\n onLoad() {\n const data = this.xhr.responseText;\n if (data !== null) {\n this.emitReserved(\"data\", data);\n this.emitReserved(\"success\");\n this.cleanup();\n }\n }\n /**\n * Aborts the request.\n *\n * @package\n */\n abort() {\n this.cleanup();\n }\n}\nRequest.requestsCount = 0;\nRequest.requests = {};\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\nif (typeof document !== \"undefined\") {\n // @ts-ignore\n if (typeof attachEvent === \"function\") {\n // @ts-ignore\n attachEvent(\"onunload\", unloadHandler);\n }\n else if (typeof addEventListener === \"function\") {\n const terminationEvent = \"onpagehide\" in globalThis ? \"pagehide\" : \"unload\";\n addEventListener(terminationEvent, unloadHandler, false);\n }\n}\nfunction unloadHandler() {\n for (let i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n","import { globalThisShim as globalThis } from \"../globalThis.js\";\nexport const nextTick = (() => {\n const isPromiseAvailable = typeof Promise === \"function\" && typeof Promise.resolve === \"function\";\n if (isPromiseAvailable) {\n return (cb) => Promise.resolve().then(cb);\n }\n else {\n return (cb, setTimeoutFn) => setTimeoutFn(cb, 0);\n }\n})();\nexport const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket;\nexport const usingBrowserWebSocket = true;\nexport const defaultBinaryType = \"arraybuffer\";\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { pick } from \"../util.js\";\nimport { nextTick, usingBrowserWebSocket, WebSocket, } from \"./websocket-constructor.js\";\nimport { encodePacket } from \"engine.io-parser\";\n// detect ReactNative environment\nconst isReactNative = typeof navigator !== \"undefined\" &&\n typeof navigator.product === \"string\" &&\n navigator.product.toLowerCase() === \"reactnative\";\nexport class WS extends Transport {\n /**\n * WebSocket transport constructor.\n *\n * @param {Object} opts - connection options\n * @protected\n */\n constructor(opts) {\n super(opts);\n this.supportsBinary = !opts.forceBase64;\n }\n get name() {\n return \"websocket\";\n }\n doOpen() {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n const uri = this.uri();\n const protocols = this.opts.protocols;\n // React Native only supports the 'headers' option, and will print a warning if anything else is passed\n const opts = isReactNative\n ? {}\n : pick(this.opts, \"agent\", \"perMessageDeflate\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"localAddress\", \"protocolVersion\", \"origin\", \"maxPayload\", \"family\", \"checkServerIdentity\");\n if (this.opts.extraHeaders) {\n opts.headers = this.opts.extraHeaders;\n }\n try {\n this.ws =\n usingBrowserWebSocket && !isReactNative\n ? protocols\n ? new WebSocket(uri, protocols)\n : new WebSocket(uri)\n : new WebSocket(uri, protocols, opts);\n }\n catch (err) {\n return this.emitReserved(\"error\", err);\n }\n this.ws.binaryType = this.socket.binaryType;\n this.addEventListeners();\n }\n /**\n * Adds event listeners to the socket\n *\n * @private\n */\n addEventListeners() {\n this.ws.onopen = () => {\n if (this.opts.autoUnref) {\n this.ws._socket.unref();\n }\n this.onOpen();\n };\n this.ws.onclose = (closeEvent) => this.onClose({\n description: \"websocket connection closed\",\n context: closeEvent,\n });\n this.ws.onmessage = (ev) => this.onData(ev.data);\n this.ws.onerror = (e) => this.onError(\"websocket error\", e);\n }\n write(packets) {\n this.writable = false;\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n encodePacket(packet, this.supportsBinary, (data) => {\n // always create a new object (GH-437)\n const opts = {};\n if (!usingBrowserWebSocket) {\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n if (this.opts.perMessageDeflate) {\n const len = \n // @ts-ignore\n \"string\" === typeof data ? Buffer.byteLength(data) : data.length;\n if (len < this.opts.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n this.ws.send(data);\n }\n else {\n this.ws.send(data, opts);\n }\n }\n catch (e) {\n }\n if (lastPacket) {\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n if (typeof this.ws !== \"undefined\") {\n this.ws.close();\n this.ws = null;\n }\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"wss\" : \"ws\";\n const query = this.query || {};\n // append timestamp to URI\n if (this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @private\n */\n check() {\n return !!WebSocket;\n }\n}\n","import { Transport } from \"../transport.js\";\nimport { nextTick } from \"./websocket-constructor.js\";\nimport { createPacketDecoderStream, createPacketEncoderStream, } from \"engine.io-parser\";\nexport class WT extends Transport {\n get name() {\n return \"webtransport\";\n }\n doOpen() {\n // @ts-ignore\n if (typeof WebTransport !== \"function\") {\n return;\n }\n // @ts-ignore\n this.transport = new WebTransport(this.createUri(\"https\"), this.opts.transportOptions[this.name]);\n this.transport.closed\n .then(() => {\n this.onClose();\n })\n .catch((err) => {\n this.onError(\"webtransport error\", err);\n });\n // note: we could have used async/await, but that would require some additional polyfills\n this.transport.ready.then(() => {\n this.transport.createBidirectionalStream().then((stream) => {\n const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType);\n const reader = stream.readable.pipeThrough(decoderStream).getReader();\n const encoderStream = createPacketEncoderStream();\n encoderStream.readable.pipeTo(stream.writable);\n this.writer = encoderStream.writable.getWriter();\n const read = () => {\n reader\n .read()\n .then(({ done, value }) => {\n if (done) {\n return;\n }\n this.onPacket(value);\n read();\n })\n .catch((err) => {\n });\n };\n read();\n const packet = { type: \"open\" };\n if (this.query.sid) {\n packet.data = `{\"sid\":\"${this.query.sid}\"}`;\n }\n this.writer.write(packet).then(() => this.onOpen());\n });\n });\n }\n write(packets) {\n this.writable = false;\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n this.writer.write(packet).then(() => {\n if (lastPacket) {\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n var _a;\n (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close();\n }\n}\n","import { Polling } from \"./polling.js\";\nimport { WS } from \"./websocket.js\";\nimport { WT } from \"./webtransport.js\";\nexport const transports = {\n websocket: WS,\n webtransport: WT,\n polling: Polling,\n};\n","// imported from https://github.com/galkn/parseuri\n/**\n * Parses a URI\n *\n * Note: we could also have used the built-in URL object, but it isn't supported on all platforms.\n *\n * See:\n * - https://developer.mozilla.org/en-US/docs/Web/API/URL\n * - https://caniuse.com/url\n * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B\n *\n * History of the parse() method:\n * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c\n * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3\n * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242\n *\n * @author Steven Levithan (MIT license)\n * @api private\n */\nconst re = /^(?:(?![^:@\\/?#]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@\\/?#]*)(?::([^:@\\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\nconst parts = [\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\n];\nexport function parse(str) {\n const src = str, b = str.indexOf('['), e = str.indexOf(']');\n if (b != -1 && e != -1) {\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\n }\n let m = re.exec(str || ''), uri = {}, i = 14;\n while (i--) {\n uri[parts[i]] = m[i] || '';\n }\n if (b != -1 && e != -1) {\n uri.source = src;\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\n uri.ipv6uri = true;\n }\n uri.pathNames = pathNames(uri, uri['path']);\n uri.queryKey = queryKey(uri, uri['query']);\n return uri;\n}\nfunction pathNames(obj, path) {\n const regx = /\\/{2,9}/g, names = path.replace(regx, \"/\").split(\"/\");\n if (path.slice(0, 1) == '/' || path.length === 0) {\n names.splice(0, 1);\n }\n if (path.slice(-1) == '/') {\n names.splice(names.length - 1, 1);\n }\n return names;\n}\nfunction queryKey(uri, query) {\n const data = {};\n query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {\n if ($1) {\n data[$1] = $2;\n }\n });\n return data;\n}\n","import { transports } from \"./transports/index.js\";\nimport { installTimerFunctions, byteLength } from \"./util.js\";\nimport { decode } from \"./contrib/parseqs.js\";\nimport { parse } from \"./contrib/parseuri.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { protocol } from \"engine.io-parser\";\nimport { defaultBinaryType } from \"./transports/websocket-constructor.js\";\nexport class Socket extends Emitter {\n /**\n * Socket constructor.\n *\n * @param {String|Object} uri - uri or options\n * @param {Object} opts - options\n */\n constructor(uri, opts = {}) {\n super();\n this.binaryType = defaultBinaryType;\n this.writeBuffer = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = null;\n }\n if (uri) {\n uri = parse(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === \"https\" || uri.protocol === \"wss\";\n opts.port = uri.port;\n if (uri.query)\n opts.query = uri.query;\n }\n else if (opts.host) {\n opts.hostname = parse(opts.host).host;\n }\n installTimerFunctions(this, opts);\n this.secure =\n null != opts.secure\n ? opts.secure\n : typeof location !== \"undefined\" && \"https:\" === location.protocol;\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? \"443\" : \"80\";\n }\n this.hostname =\n opts.hostname ||\n (typeof location !== \"undefined\" ? location.hostname : \"localhost\");\n this.port =\n opts.port ||\n (typeof location !== \"undefined\" && location.port\n ? location.port\n : this.secure\n ? \"443\"\n : \"80\");\n this.transports = opts.transports || [\n \"polling\",\n \"websocket\",\n \"webtransport\",\n ];\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.opts = Object.assign({\n path: \"/engine.io\",\n agent: false,\n withCredentials: false,\n upgrade: true,\n timestampParam: \"t\",\n rememberUpgrade: false,\n addTrailingSlash: true,\n rejectUnauthorized: true,\n perMessageDeflate: {\n threshold: 1024,\n },\n transportOptions: {},\n closeOnBeforeunload: false,\n }, opts);\n this.opts.path =\n this.opts.path.replace(/\\/$/, \"\") +\n (this.opts.addTrailingSlash ? \"/\" : \"\");\n if (typeof this.opts.query === \"string\") {\n this.opts.query = decode(this.opts.query);\n }\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n // set on heartbeat\n this.pingTimeoutTimer = null;\n if (typeof addEventListener === \"function\") {\n if (this.opts.closeOnBeforeunload) {\n // Firefox closes the connection when the \"beforeunload\" event is emitted but not Chrome. This event listener\n // ensures every browser behaves the same (no \"disconnect\" event at the Socket.IO level when the page is\n // closed/reloaded)\n this.beforeunloadEventListener = () => {\n if (this.transport) {\n // silently close the transport\n this.transport.removeAllListeners();\n this.transport.close();\n }\n };\n addEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n }\n if (this.hostname !== \"localhost\") {\n this.offlineEventListener = () => {\n this.onClose(\"transport close\", {\n description: \"network connection lost\",\n });\n };\n addEventListener(\"offline\", this.offlineEventListener, false);\n }\n }\n this.open();\n }\n /**\n * Creates transport of the given type.\n *\n * @param {String} name - transport name\n * @return {Transport}\n * @private\n */\n createTransport(name) {\n const query = Object.assign({}, this.opts.query);\n // append engine.io protocol identifier\n query.EIO = protocol;\n // transport name\n query.transport = name;\n // session id if we already have one\n if (this.id)\n query.sid = this.id;\n const opts = Object.assign({}, this.opts, {\n query,\n socket: this,\n hostname: this.hostname,\n secure: this.secure,\n port: this.port,\n }, this.opts.transportOptions[name]);\n return new transports[name](opts);\n }\n /**\n * Initializes transport to use and starts probe.\n *\n * @private\n */\n open() {\n let transport;\n if (this.opts.rememberUpgrade &&\n Socket.priorWebsocketSuccess &&\n this.transports.indexOf(\"websocket\") !== -1) {\n transport = \"websocket\";\n }\n else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n this.setTimeoutFn(() => {\n this.emitReserved(\"error\", \"No transports available\");\n }, 0);\n return;\n }\n else {\n transport = this.transports[0];\n }\n this.readyState = \"opening\";\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n }\n catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n transport.open();\n this.setTransport(transport);\n }\n /**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @private\n */\n setTransport(transport) {\n if (this.transport) {\n this.transport.removeAllListeners();\n }\n // set up transport\n this.transport = transport;\n // set up transport listeners\n transport\n .on(\"drain\", this.onDrain.bind(this))\n .on(\"packet\", this.onPacket.bind(this))\n .on(\"error\", this.onError.bind(this))\n .on(\"close\", (reason) => this.onClose(\"transport close\", reason));\n }\n /**\n * Probes a transport.\n *\n * @param {String} name - transport name\n * @private\n */\n probe(name) {\n let transport = this.createTransport(name);\n let failed = false;\n Socket.priorWebsocketSuccess = false;\n const onTransportOpen = () => {\n if (failed)\n return;\n transport.send([{ type: \"ping\", data: \"probe\" }]);\n transport.once(\"packet\", (msg) => {\n if (failed)\n return;\n if (\"pong\" === msg.type && \"probe\" === msg.data) {\n this.upgrading = true;\n this.emitReserved(\"upgrading\", transport);\n if (!transport)\n return;\n Socket.priorWebsocketSuccess = \"websocket\" === transport.name;\n this.transport.pause(() => {\n if (failed)\n return;\n if (\"closed\" === this.readyState)\n return;\n cleanup();\n this.setTransport(transport);\n transport.send([{ type: \"upgrade\" }]);\n this.emitReserved(\"upgrade\", transport);\n transport = null;\n this.upgrading = false;\n this.flush();\n });\n }\n else {\n const err = new Error(\"probe error\");\n // @ts-ignore\n err.transport = transport.name;\n this.emitReserved(\"upgradeError\", err);\n }\n });\n };\n function freezeTransport() {\n if (failed)\n return;\n // Any callback called by transport should be ignored since now\n failed = true;\n cleanup();\n transport.close();\n transport = null;\n }\n // Handle any error that happens while probing\n const onerror = (err) => {\n const error = new Error(\"probe error: \" + err);\n // @ts-ignore\n error.transport = transport.name;\n freezeTransport();\n this.emitReserved(\"upgradeError\", error);\n };\n function onTransportClose() {\n onerror(\"transport closed\");\n }\n // When the socket is closed while we're probing\n function onclose() {\n onerror(\"socket closed\");\n }\n // When the socket is upgraded while we're probing\n function onupgrade(to) {\n if (transport && to.name !== transport.name) {\n freezeTransport();\n }\n }\n // Remove all listeners on the transport and on self\n const cleanup = () => {\n transport.removeListener(\"open\", onTransportOpen);\n transport.removeListener(\"error\", onerror);\n transport.removeListener(\"close\", onTransportClose);\n this.off(\"close\", onclose);\n this.off(\"upgrading\", onupgrade);\n };\n transport.once(\"open\", onTransportOpen);\n transport.once(\"error\", onerror);\n transport.once(\"close\", onTransportClose);\n this.once(\"close\", onclose);\n this.once(\"upgrading\", onupgrade);\n if (this.upgrades.indexOf(\"webtransport\") !== -1 &&\n name !== \"webtransport\") {\n // favor WebTransport\n this.setTimeoutFn(() => {\n if (!failed) {\n transport.open();\n }\n }, 200);\n }\n else {\n transport.open();\n }\n }\n /**\n * Called when connection is deemed open.\n *\n * @private\n */\n onOpen() {\n this.readyState = \"open\";\n Socket.priorWebsocketSuccess = \"websocket\" === this.transport.name;\n this.emitReserved(\"open\");\n this.flush();\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if (\"open\" === this.readyState && this.opts.upgrade) {\n let i = 0;\n const l = this.upgrades.length;\n for (; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n }\n /**\n * Handles a packet.\n *\n * @private\n */\n onPacket(packet) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n this.emitReserved(\"packet\", packet);\n // Socket is live - any packet counts\n this.emitReserved(\"heartbeat\");\n this.resetPingTimeout();\n switch (packet.type) {\n case \"open\":\n this.onHandshake(JSON.parse(packet.data));\n break;\n case \"ping\":\n this.sendPacket(\"pong\");\n this.emitReserved(\"ping\");\n this.emitReserved(\"pong\");\n break;\n case \"error\":\n const err = new Error(\"server error\");\n // @ts-ignore\n err.code = packet.data;\n this.onError(err);\n break;\n case \"message\":\n this.emitReserved(\"data\", packet.data);\n this.emitReserved(\"message\", packet.data);\n break;\n }\n }\n else {\n }\n }\n /**\n * Called upon handshake completion.\n *\n * @param {Object} data - handshake obj\n * @private\n */\n onHandshake(data) {\n this.emitReserved(\"handshake\", data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.maxPayload = data.maxPayload;\n this.onOpen();\n // In case open handler closes socket\n if (\"closed\" === this.readyState)\n return;\n this.resetPingTimeout();\n }\n /**\n * Sets and resets ping timeout timer based on server pings.\n *\n * @private\n */\n resetPingTimeout() {\n this.clearTimeoutFn(this.pingTimeoutTimer);\n this.pingTimeoutTimer = this.setTimeoutFn(() => {\n this.onClose(\"ping timeout\");\n }, this.pingInterval + this.pingTimeout);\n if (this.opts.autoUnref) {\n this.pingTimeoutTimer.unref();\n }\n }\n /**\n * Called on `drain` event\n *\n * @private\n */\n onDrain() {\n this.writeBuffer.splice(0, this.prevBufferLen);\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n if (0 === this.writeBuffer.length) {\n this.emitReserved(\"drain\");\n }\n else {\n this.flush();\n }\n }\n /**\n * Flush write buffers.\n *\n * @private\n */\n flush() {\n if (\"closed\" !== this.readyState &&\n this.transport.writable &&\n !this.upgrading &&\n this.writeBuffer.length) {\n const packets = this.getWritablePackets();\n this.transport.send(packets);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = packets.length;\n this.emitReserved(\"flush\");\n }\n }\n /**\n * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP\n * long-polling)\n *\n * @private\n */\n getWritablePackets() {\n const shouldCheckPayloadSize = this.maxPayload &&\n this.transport.name === \"polling\" &&\n this.writeBuffer.length > 1;\n if (!shouldCheckPayloadSize) {\n return this.writeBuffer;\n }\n let payloadSize = 1; // first packet type\n for (let i = 0; i < this.writeBuffer.length; i++) {\n const data = this.writeBuffer[i].data;\n if (data) {\n payloadSize += byteLength(data);\n }\n if (i > 0 && payloadSize > this.maxPayload) {\n return this.writeBuffer.slice(0, i);\n }\n payloadSize += 2; // separator + packet type\n }\n return this.writeBuffer;\n }\n /**\n * Sends a message.\n *\n * @param {String} msg - message.\n * @param {Object} options.\n * @param {Function} callback function.\n * @return {Socket} for chaining.\n */\n write(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n send(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n /**\n * Sends a packet.\n *\n * @param {String} type: packet type.\n * @param {String} data.\n * @param {Object} options.\n * @param {Function} fn - callback function.\n * @private\n */\n sendPacket(type, data, options, fn) {\n if (\"function\" === typeof data) {\n fn = data;\n data = undefined;\n }\n if (\"function\" === typeof options) {\n fn = options;\n options = null;\n }\n if (\"closing\" === this.readyState || \"closed\" === this.readyState) {\n return;\n }\n options = options || {};\n options.compress = false !== options.compress;\n const packet = {\n type: type,\n data: data,\n options: options,\n };\n this.emitReserved(\"packetCreate\", packet);\n this.writeBuffer.push(packet);\n if (fn)\n this.once(\"flush\", fn);\n this.flush();\n }\n /**\n * Closes the connection.\n */\n close() {\n const close = () => {\n this.onClose(\"forced close\");\n this.transport.close();\n };\n const cleanupAndClose = () => {\n this.off(\"upgrade\", cleanupAndClose);\n this.off(\"upgradeError\", cleanupAndClose);\n close();\n };\n const waitForUpgrade = () => {\n // wait for upgrade to finish since we can't send packets while pausing a transport\n this.once(\"upgrade\", cleanupAndClose);\n this.once(\"upgradeError\", cleanupAndClose);\n };\n if (\"opening\" === this.readyState || \"open\" === this.readyState) {\n this.readyState = \"closing\";\n if (this.writeBuffer.length) {\n this.once(\"drain\", () => {\n if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n });\n }\n else if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n }\n return this;\n }\n /**\n * Called upon transport error\n *\n * @private\n */\n onError(err) {\n Socket.priorWebsocketSuccess = false;\n this.emitReserved(\"error\", err);\n this.onClose(\"transport error\", err);\n }\n /**\n * Called upon transport close.\n *\n * @private\n */\n onClose(reason, description) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n // clear timers\n this.clearTimeoutFn(this.pingTimeoutTimer);\n // stop event from firing again for transport\n this.transport.removeAllListeners(\"close\");\n // ensure transport won't stay open\n this.transport.close();\n // ignore further transport communication\n this.transport.removeAllListeners();\n if (typeof removeEventListener === \"function\") {\n removeEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n removeEventListener(\"offline\", this.offlineEventListener, false);\n }\n // set ready state\n this.readyState = \"closed\";\n // clear session id\n this.id = null;\n // emit close event\n this.emitReserved(\"close\", reason, description);\n // clean buffers after, so users can still\n // grab the buffers on `close` event\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n }\n }\n /**\n * Filters upgrades, returning only those matching client transports.\n *\n * @param {Array} upgrades - server upgrades\n * @private\n */\n filterUpgrades(upgrades) {\n const filteredUpgrades = [];\n let i = 0;\n const j = upgrades.length;\n for (; i < j; i++) {\n if (~this.transports.indexOf(upgrades[i]))\n filteredUpgrades.push(upgrades[i]);\n }\n return filteredUpgrades;\n }\n}\nSocket.protocol = protocol;\n","import { Socket } from \"./socket.js\";\nexport { Socket };\nexport const protocol = Socket.protocol;\nexport { Transport } from \"./transport.js\";\nexport { transports } from \"./transports/index.js\";\nexport { installTimerFunctions } from \"./util.js\";\nexport { parse } from \"./contrib/parseuri.js\";\nexport { nextTick } from \"./transports/websocket-constructor.js\";\n","import { parse } from \"engine.io-client\";\n/**\n * URL parser.\n *\n * @param uri - url\n * @param path - the request path of the connection\n * @param loc - An object meant to mimic window.location.\n * Defaults to window.location.\n * @public\n */\nexport function url(uri, path = \"\", loc) {\n let obj = uri;\n // default to window.location\n loc = loc || (typeof location !== \"undefined\" && location);\n if (null == uri)\n uri = loc.protocol + \"//\" + loc.host;\n // relative path support\n if (typeof uri === \"string\") {\n if (\"/\" === uri.charAt(0)) {\n if (\"/\" === uri.charAt(1)) {\n uri = loc.protocol + uri;\n }\n else {\n uri = loc.host + uri;\n }\n }\n if (!/^(https?|wss?):\\/\\//.test(uri)) {\n if (\"undefined\" !== typeof loc) {\n uri = loc.protocol + \"//\" + uri;\n }\n else {\n uri = \"https://\" + uri;\n }\n }\n // parse\n obj = parse(uri);\n }\n // make sure we treat `localhost:80` and `localhost` equally\n if (!obj.port) {\n if (/^(http|ws)$/.test(obj.protocol)) {\n obj.port = \"80\";\n }\n else if (/^(http|ws)s$/.test(obj.protocol)) {\n obj.port = \"443\";\n }\n }\n obj.path = obj.path || \"/\";\n const ipv6 = obj.host.indexOf(\":\") !== -1;\n const host = ipv6 ? \"[\" + obj.host + \"]\" : obj.host;\n // define unique id\n obj.id = obj.protocol + \"://\" + host + \":\" + obj.port + path;\n // define href\n obj.href =\n obj.protocol +\n \"://\" +\n host +\n (loc && loc.port === obj.port ? \"\" : \":\" + obj.port);\n return obj;\n}\n","const withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nconst isView = (obj) => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj.buffer instanceof ArrayBuffer;\n};\nconst toString = Object.prototype.toString;\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeFile = typeof File === \"function\" ||\n (typeof File !== \"undefined\" &&\n toString.call(File) === \"[object FileConstructor]\");\n/**\n * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File.\n *\n * @private\n */\nexport function isBinary(obj) {\n return ((withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) ||\n (withNativeBlob && obj instanceof Blob) ||\n (withNativeFile && obj instanceof File));\n}\nexport function hasBinary(obj, toJSON) {\n if (!obj || typeof obj !== \"object\") {\n return false;\n }\n if (Array.isArray(obj)) {\n for (let i = 0, l = obj.length; i < l; i++) {\n if (hasBinary(obj[i])) {\n return true;\n }\n }\n return false;\n }\n if (isBinary(obj)) {\n return true;\n }\n if (obj.toJSON &&\n typeof obj.toJSON === \"function\" &&\n arguments.length === 1) {\n return hasBinary(obj.toJSON(), true);\n }\n for (const key in obj) {\n if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {\n return true;\n }\n }\n return false;\n}\n","import { isBinary } from \"./is-binary.js\";\n/**\n * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder.\n *\n * @param {Object} packet - socket.io event packet\n * @return {Object} with deconstructed packet and list of buffers\n * @public\n */\nexport function deconstructPacket(packet) {\n const buffers = [];\n const packetData = packet.data;\n const pack = packet;\n pack.data = _deconstructPacket(packetData, buffers);\n pack.attachments = buffers.length; // number of binary 'attachments'\n return { packet: pack, buffers: buffers };\n}\nfunction _deconstructPacket(data, buffers) {\n if (!data)\n return data;\n if (isBinary(data)) {\n const placeholder = { _placeholder: true, num: buffers.length };\n buffers.push(data);\n return placeholder;\n }\n else if (Array.isArray(data)) {\n const newData = new Array(data.length);\n for (let i = 0; i < data.length; i++) {\n newData[i] = _deconstructPacket(data[i], buffers);\n }\n return newData;\n }\n else if (typeof data === \"object\" && !(data instanceof Date)) {\n const newData = {};\n for (const key in data) {\n if (Object.prototype.hasOwnProperty.call(data, key)) {\n newData[key] = _deconstructPacket(data[key], buffers);\n }\n }\n return newData;\n }\n return data;\n}\n/**\n * Reconstructs a binary packet from its placeholder packet and buffers\n *\n * @param {Object} packet - event packet with placeholders\n * @param {Array} buffers - binary buffers to put in placeholder positions\n * @return {Object} reconstructed packet\n * @public\n */\nexport function reconstructPacket(packet, buffers) {\n packet.data = _reconstructPacket(packet.data, buffers);\n delete packet.attachments; // no longer useful\n return packet;\n}\nfunction _reconstructPacket(data, buffers) {\n if (!data)\n return data;\n if (data && data._placeholder === true) {\n const isIndexValid = typeof data.num === \"number\" &&\n data.num >= 0 &&\n data.num < buffers.length;\n if (isIndexValid) {\n return buffers[data.num]; // appropriate buffer (should be natural order anyway)\n }\n else {\n throw new Error(\"illegal attachments\");\n }\n }\n else if (Array.isArray(data)) {\n for (let i = 0; i < data.length; i++) {\n data[i] = _reconstructPacket(data[i], buffers);\n }\n }\n else if (typeof data === \"object\") {\n for (const key in data) {\n if (Object.prototype.hasOwnProperty.call(data, key)) {\n data[key] = _reconstructPacket(data[key], buffers);\n }\n }\n }\n return data;\n}\n","import { Emitter } from \"@socket.io/component-emitter\";\nimport { deconstructPacket, reconstructPacket } from \"./binary.js\";\nimport { isBinary, hasBinary } from \"./is-binary.js\";\n/**\n * These strings must not be used as event names, as they have a special meaning.\n */\nconst RESERVED_EVENTS = [\n \"connect\",\n \"connect_error\",\n \"disconnect\",\n \"disconnecting\",\n \"newListener\",\n \"removeListener\", // used by the Node.js EventEmitter\n];\n/**\n * Protocol version.\n *\n * @public\n */\nexport const protocol = 5;\nexport var PacketType;\n(function (PacketType) {\n PacketType[PacketType[\"CONNECT\"] = 0] = \"CONNECT\";\n PacketType[PacketType[\"DISCONNECT\"] = 1] = \"DISCONNECT\";\n PacketType[PacketType[\"EVENT\"] = 2] = \"EVENT\";\n PacketType[PacketType[\"ACK\"] = 3] = \"ACK\";\n PacketType[PacketType[\"CONNECT_ERROR\"] = 4] = \"CONNECT_ERROR\";\n PacketType[PacketType[\"BINARY_EVENT\"] = 5] = \"BINARY_EVENT\";\n PacketType[PacketType[\"BINARY_ACK\"] = 6] = \"BINARY_ACK\";\n})(PacketType || (PacketType = {}));\n/**\n * A socket.io Encoder instance\n */\nexport class Encoder {\n /**\n * Encoder constructor\n *\n * @param {function} replacer - custom replacer to pass down to JSON.parse\n */\n constructor(replacer) {\n this.replacer = replacer;\n }\n /**\n * Encode a packet as a single string if non-binary, or as a\n * buffer sequence, depending on packet type.\n *\n * @param {Object} obj - packet object\n */\n encode(obj) {\n if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) {\n if (hasBinary(obj)) {\n return this.encodeAsBinary({\n type: obj.type === PacketType.EVENT\n ? PacketType.BINARY_EVENT\n : PacketType.BINARY_ACK,\n nsp: obj.nsp,\n data: obj.data,\n id: obj.id,\n });\n }\n }\n return [this.encodeAsString(obj)];\n }\n /**\n * Encode packet as string.\n */\n encodeAsString(obj) {\n // first is type\n let str = \"\" + obj.type;\n // attachments if we have them\n if (obj.type === PacketType.BINARY_EVENT ||\n obj.type === PacketType.BINARY_ACK) {\n str += obj.attachments + \"-\";\n }\n // if we have a namespace other than `/`\n // we append it followed by a comma `,`\n if (obj.nsp && \"/\" !== obj.nsp) {\n str += obj.nsp + \",\";\n }\n // immediately followed by the id\n if (null != obj.id) {\n str += obj.id;\n }\n // json data\n if (null != obj.data) {\n str += JSON.stringify(obj.data, this.replacer);\n }\n return str;\n }\n /**\n * Encode packet as 'buffer sequence' by removing blobs, and\n * deconstructing packet into object with placeholders and\n * a list of buffers.\n */\n encodeAsBinary(obj) {\n const deconstruction = deconstructPacket(obj);\n const pack = this.encodeAsString(deconstruction.packet);\n const buffers = deconstruction.buffers;\n buffers.unshift(pack); // add packet info to beginning of data list\n return buffers; // write all the buffers\n }\n}\n// see https://stackoverflow.com/questions/8511281/check-if-a-value-is-an-object-in-javascript\nfunction isObject(value) {\n return Object.prototype.toString.call(value) === \"[object Object]\";\n}\n/**\n * A socket.io Decoder instance\n *\n * @return {Object} decoder\n */\nexport class Decoder extends Emitter {\n /**\n * Decoder constructor\n *\n * @param {function} reviver - custom reviver to pass down to JSON.stringify\n */\n constructor(reviver) {\n super();\n this.reviver = reviver;\n }\n /**\n * Decodes an encoded packet string into packet JSON.\n *\n * @param {String} obj - encoded packet\n */\n add(obj) {\n let packet;\n if (typeof obj === \"string\") {\n if (this.reconstructor) {\n throw new Error(\"got plaintext data when reconstructing a packet\");\n }\n packet = this.decodeString(obj);\n const isBinaryEvent = packet.type === PacketType.BINARY_EVENT;\n if (isBinaryEvent || packet.type === PacketType.BINARY_ACK) {\n packet.type = isBinaryEvent ? PacketType.EVENT : PacketType.ACK;\n // binary packet's json\n this.reconstructor = new BinaryReconstructor(packet);\n // no attachments, labeled binary but no binary data to follow\n if (packet.attachments === 0) {\n super.emitReserved(\"decoded\", packet);\n }\n }\n else {\n // non-binary full packet\n super.emitReserved(\"decoded\", packet);\n }\n }\n else if (isBinary(obj) || obj.base64) {\n // raw binary data\n if (!this.reconstructor) {\n throw new Error(\"got binary data when not reconstructing a packet\");\n }\n else {\n packet = this.reconstructor.takeBinaryData(obj);\n if (packet) {\n // received final buffer\n this.reconstructor = null;\n super.emitReserved(\"decoded\", packet);\n }\n }\n }\n else {\n throw new Error(\"Unknown type: \" + obj);\n }\n }\n /**\n * Decode a packet String (JSON data)\n *\n * @param {String} str\n * @return {Object} packet\n */\n decodeString(str) {\n let i = 0;\n // look up type\n const p = {\n type: Number(str.charAt(0)),\n };\n if (PacketType[p.type] === undefined) {\n throw new Error(\"unknown packet type \" + p.type);\n }\n // look up attachments if type binary\n if (p.type === PacketType.BINARY_EVENT ||\n p.type === PacketType.BINARY_ACK) {\n const start = i + 1;\n while (str.charAt(++i) !== \"-\" && i != str.length) { }\n const buf = str.substring(start, i);\n if (buf != Number(buf) || str.charAt(i) !== \"-\") {\n throw new Error(\"Illegal attachments\");\n }\n p.attachments = Number(buf);\n }\n // look up namespace (if any)\n if (\"/\" === str.charAt(i + 1)) {\n const start = i + 1;\n while (++i) {\n const c = str.charAt(i);\n if (\",\" === c)\n break;\n if (i === str.length)\n break;\n }\n p.nsp = str.substring(start, i);\n }\n else {\n p.nsp = \"/\";\n }\n // look up id\n const next = str.charAt(i + 1);\n if (\"\" !== next && Number(next) == next) {\n const start = i + 1;\n while (++i) {\n const c = str.charAt(i);\n if (null == c || Number(c) != c) {\n --i;\n break;\n }\n if (i === str.length)\n break;\n }\n p.id = Number(str.substring(start, i + 1));\n }\n // look up json data\n if (str.charAt(++i)) {\n const payload = this.tryParse(str.substr(i));\n if (Decoder.isPayloadValid(p.type, payload)) {\n p.data = payload;\n }\n else {\n throw new Error(\"invalid payload\");\n }\n }\n return p;\n }\n tryParse(str) {\n try {\n return JSON.parse(str, this.reviver);\n }\n catch (e) {\n return false;\n }\n }\n static isPayloadValid(type, payload) {\n switch (type) {\n case PacketType.CONNECT:\n return isObject(payload);\n case PacketType.DISCONNECT:\n return payload === undefined;\n case PacketType.CONNECT_ERROR:\n return typeof payload === \"string\" || isObject(payload);\n case PacketType.EVENT:\n case PacketType.BINARY_EVENT:\n return (Array.isArray(payload) &&\n (typeof payload[0] === \"number\" ||\n (typeof payload[0] === \"string\" &&\n RESERVED_EVENTS.indexOf(payload[0]) === -1)));\n case PacketType.ACK:\n case PacketType.BINARY_ACK:\n return Array.isArray(payload);\n }\n }\n /**\n * Deallocates a parser's resources\n */\n destroy() {\n if (this.reconstructor) {\n this.reconstructor.finishedReconstruction();\n this.reconstructor = null;\n }\n }\n}\n/**\n * A manager of a binary event's 'buffer sequence'. Should\n * be constructed whenever a packet of type BINARY_EVENT is\n * decoded.\n *\n * @param {Object} packet\n * @return {BinaryReconstructor} initialized reconstructor\n */\nclass BinaryReconstructor {\n constructor(packet) {\n this.packet = packet;\n this.buffers = [];\n this.reconPack = packet;\n }\n /**\n * Method to be called when binary data received from connection\n * after a BINARY_EVENT packet.\n *\n * @param {Buffer | ArrayBuffer} binData - the raw binary data received\n * @return {null | Object} returns null if more binary data is expected or\n * a reconstructed packet object if all buffers have been received.\n */\n takeBinaryData(binData) {\n this.buffers.push(binData);\n if (this.buffers.length === this.reconPack.attachments) {\n // done with buffer list\n const packet = reconstructPacket(this.reconPack, this.buffers);\n this.finishedReconstruction();\n return packet;\n }\n return null;\n }\n /**\n * Cleans up binary packet reconstruction variables.\n */\n finishedReconstruction() {\n this.reconPack = null;\n this.buffers = [];\n }\n}\n","export function on(obj, ev, fn) {\n obj.on(ev, fn);\n return function subDestroy() {\n obj.off(ev, fn);\n };\n}\n","import { PacketType } from \"socket.io-parser\";\nimport { on } from \"./on.js\";\nimport { Emitter, } from \"@socket.io/component-emitter\";\n/**\n * Internal events.\n * These events can't be emitted by the user.\n */\nconst RESERVED_EVENTS = Object.freeze({\n connect: 1,\n connect_error: 1,\n disconnect: 1,\n disconnecting: 1,\n // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener\n newListener: 1,\n removeListener: 1,\n});\n/**\n * A Socket is the fundamental class for interacting with the server.\n *\n * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(\"connected\");\n * });\n *\n * // send an event to the server\n * socket.emit(\"foo\", \"bar\");\n *\n * socket.on(\"foobar\", () => {\n * // an event was received from the server\n * });\n *\n * // upon disconnection\n * socket.on(\"disconnect\", (reason) => {\n * console.log(`disconnected due to ${reason}`);\n * });\n */\nexport class Socket extends Emitter {\n /**\n * `Socket` constructor.\n */\n constructor(io, nsp, opts) {\n super();\n /**\n * Whether the socket is currently connected to the server.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(socket.connected); // true\n * });\n *\n * socket.on(\"disconnect\", () => {\n * console.log(socket.connected); // false\n * });\n */\n this.connected = false;\n /**\n * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will\n * be transmitted by the server.\n */\n this.recovered = false;\n /**\n * Buffer for packets received before the CONNECT packet\n */\n this.receiveBuffer = [];\n /**\n * Buffer for packets that will be sent once the socket is connected\n */\n this.sendBuffer = [];\n /**\n * The queue of packets to be sent with retry in case of failure.\n *\n * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order.\n * @private\n */\n this._queue = [];\n /**\n * A sequence to generate the ID of the {@link QueuedPacket}.\n * @private\n */\n this._queueSeq = 0;\n this.ids = 0;\n this.acks = {};\n this.flags = {};\n this.io = io;\n this.nsp = nsp;\n if (opts && opts.auth) {\n this.auth = opts.auth;\n }\n this._opts = Object.assign({}, opts);\n if (this.io._autoConnect)\n this.open();\n }\n /**\n * Whether the socket is currently disconnected\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(socket.disconnected); // false\n * });\n *\n * socket.on(\"disconnect\", () => {\n * console.log(socket.disconnected); // true\n * });\n */\n get disconnected() {\n return !this.connected;\n }\n /**\n * Subscribe to open, close and packet events\n *\n * @private\n */\n subEvents() {\n if (this.subs)\n return;\n const io = this.io;\n this.subs = [\n on(io, \"open\", this.onopen.bind(this)),\n on(io, \"packet\", this.onpacket.bind(this)),\n on(io, \"error\", this.onerror.bind(this)),\n on(io, \"close\", this.onclose.bind(this)),\n ];\n }\n /**\n * Whether the Socket will try to reconnect when its Manager connects or reconnects.\n *\n * @example\n * const socket = io();\n *\n * console.log(socket.active); // true\n *\n * socket.on(\"disconnect\", (reason) => {\n * if (reason === \"io server disconnect\") {\n * // the disconnection was initiated by the server, you need to manually reconnect\n * console.log(socket.active); // false\n * }\n * // else the socket will automatically try to reconnect\n * console.log(socket.active); // true\n * });\n */\n get active() {\n return !!this.subs;\n }\n /**\n * \"Opens\" the socket.\n *\n * @example\n * const socket = io({\n * autoConnect: false\n * });\n *\n * socket.connect();\n */\n connect() {\n if (this.connected)\n return this;\n this.subEvents();\n if (!this.io[\"_reconnecting\"])\n this.io.open(); // ensure open\n if (\"open\" === this.io._readyState)\n this.onopen();\n return this;\n }\n /**\n * Alias for {@link connect()}.\n */\n open() {\n return this.connect();\n }\n /**\n * Sends a `message` event.\n *\n * This method mimics the WebSocket.send() method.\n *\n * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send\n *\n * @example\n * socket.send(\"hello\");\n *\n * // this is equivalent to\n * socket.emit(\"message\", \"hello\");\n *\n * @return self\n */\n send(...args) {\n args.unshift(\"message\");\n this.emit.apply(this, args);\n return this;\n }\n /**\n * Override `emit`.\n * If the event is in `events`, it's emitted normally.\n *\n * @example\n * socket.emit(\"hello\", \"world\");\n *\n * // all serializable datastructures are supported (no need to call JSON.stringify)\n * socket.emit(\"hello\", 1, \"2\", { 3: [\"4\"], 5: Uint8Array.from([6]) });\n *\n * // with an acknowledgement from the server\n * socket.emit(\"hello\", \"world\", (val) => {\n * // ...\n * });\n *\n * @return self\n */\n emit(ev, ...args) {\n if (RESERVED_EVENTS.hasOwnProperty(ev)) {\n throw new Error('\"' + ev.toString() + '\" is a reserved event name');\n }\n args.unshift(ev);\n if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) {\n this._addToQueue(args);\n return this;\n }\n const packet = {\n type: PacketType.EVENT,\n data: args,\n };\n packet.options = {};\n packet.options.compress = this.flags.compress !== false;\n // event ack callback\n if (\"function\" === typeof args[args.length - 1]) {\n const id = this.ids++;\n const ack = args.pop();\n this._registerAckCallback(id, ack);\n packet.id = id;\n }\n const isTransportWritable = this.io.engine &&\n this.io.engine.transport &&\n this.io.engine.transport.writable;\n const discardPacket = this.flags.volatile && (!isTransportWritable || !this.connected);\n if (discardPacket) {\n }\n else if (this.connected) {\n this.notifyOutgoingListeners(packet);\n this.packet(packet);\n }\n else {\n this.sendBuffer.push(packet);\n }\n this.flags = {};\n return this;\n }\n /**\n * @private\n */\n _registerAckCallback(id, ack) {\n var _a;\n const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout;\n if (timeout === undefined) {\n this.acks[id] = ack;\n return;\n }\n // @ts-ignore\n const timer = this.io.setTimeoutFn(() => {\n delete this.acks[id];\n for (let i = 0; i < this.sendBuffer.length; i++) {\n if (this.sendBuffer[i].id === id) {\n this.sendBuffer.splice(i, 1);\n }\n }\n ack.call(this, new Error(\"operation has timed out\"));\n }, timeout);\n this.acks[id] = (...args) => {\n // @ts-ignore\n this.io.clearTimeoutFn(timer);\n ack.apply(this, [null, ...args]);\n };\n }\n /**\n * Emits an event and waits for an acknowledgement\n *\n * @example\n * // without timeout\n * const response = await socket.emitWithAck(\"hello\", \"world\");\n *\n * // with a specific timeout\n * try {\n * const response = await socket.timeout(1000).emitWithAck(\"hello\", \"world\");\n * } catch (err) {\n * // the server did not acknowledge the event in the given delay\n * }\n *\n * @return a Promise that will be fulfilled when the server acknowledges the event\n */\n emitWithAck(ev, ...args) {\n // the timeout flag is optional\n const withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined;\n return new Promise((resolve, reject) => {\n args.push((arg1, arg2) => {\n if (withErr) {\n return arg1 ? reject(arg1) : resolve(arg2);\n }\n else {\n return resolve(arg1);\n }\n });\n this.emit(ev, ...args);\n });\n }\n /**\n * Add the packet to the queue.\n * @param args\n * @private\n */\n _addToQueue(args) {\n let ack;\n if (typeof args[args.length - 1] === \"function\") {\n ack = args.pop();\n }\n const packet = {\n id: this._queueSeq++,\n tryCount: 0,\n pending: false,\n args,\n flags: Object.assign({ fromQueue: true }, this.flags),\n };\n args.push((err, ...responseArgs) => {\n if (packet !== this._queue[0]) {\n // the packet has already been acknowledged\n return;\n }\n const hasError = err !== null;\n if (hasError) {\n if (packet.tryCount > this._opts.retries) {\n this._queue.shift();\n if (ack) {\n ack(err);\n }\n }\n }\n else {\n this._queue.shift();\n if (ack) {\n ack(null, ...responseArgs);\n }\n }\n packet.pending = false;\n return this._drainQueue();\n });\n this._queue.push(packet);\n this._drainQueue();\n }\n /**\n * Send the first packet of the queue, and wait for an acknowledgement from the server.\n * @param force - whether to resend a packet that has not been acknowledged yet\n *\n * @private\n */\n _drainQueue(force = false) {\n if (!this.connected || this._queue.length === 0) {\n return;\n }\n const packet = this._queue[0];\n if (packet.pending && !force) {\n return;\n }\n packet.pending = true;\n packet.tryCount++;\n this.flags = packet.flags;\n this.emit.apply(this, packet.args);\n }\n /**\n * Sends a packet.\n *\n * @param packet\n * @private\n */\n packet(packet) {\n packet.nsp = this.nsp;\n this.io._packet(packet);\n }\n /**\n * Called upon engine `open`.\n *\n * @private\n */\n onopen() {\n if (typeof this.auth == \"function\") {\n this.auth((data) => {\n this._sendConnectPacket(data);\n });\n }\n else {\n this._sendConnectPacket(this.auth);\n }\n }\n /**\n * Sends a CONNECT packet to initiate the Socket.IO session.\n *\n * @param data\n * @private\n */\n _sendConnectPacket(data) {\n this.packet({\n type: PacketType.CONNECT,\n data: this._pid\n ? Object.assign({ pid: this._pid, offset: this._lastOffset }, data)\n : data,\n });\n }\n /**\n * Called upon engine or manager `error`.\n *\n * @param err\n * @private\n */\n onerror(err) {\n if (!this.connected) {\n this.emitReserved(\"connect_error\", err);\n }\n }\n /**\n * Called upon engine `close`.\n *\n * @param reason\n * @param description\n * @private\n */\n onclose(reason, description) {\n this.connected = false;\n delete this.id;\n this.emitReserved(\"disconnect\", reason, description);\n }\n /**\n * Called with socket packet.\n *\n * @param packet\n * @private\n */\n onpacket(packet) {\n const sameNamespace = packet.nsp === this.nsp;\n if (!sameNamespace)\n return;\n switch (packet.type) {\n case PacketType.CONNECT:\n if (packet.data && packet.data.sid) {\n this.onconnect(packet.data.sid, packet.data.pid);\n }\n else {\n this.emitReserved(\"connect_error\", new Error(\"It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)\"));\n }\n break;\n case PacketType.EVENT:\n case PacketType.BINARY_EVENT:\n this.onevent(packet);\n break;\n case PacketType.ACK:\n case PacketType.BINARY_ACK:\n this.onack(packet);\n break;\n case PacketType.DISCONNECT:\n this.ondisconnect();\n break;\n case PacketType.CONNECT_ERROR:\n this.destroy();\n const err = new Error(packet.data.message);\n // @ts-ignore\n err.data = packet.data.data;\n this.emitReserved(\"connect_error\", err);\n break;\n }\n }\n /**\n * Called upon a server event.\n *\n * @param packet\n * @private\n */\n onevent(packet) {\n const args = packet.data || [];\n if (null != packet.id) {\n args.push(this.ack(packet.id));\n }\n if (this.connected) {\n this.emitEvent(args);\n }\n else {\n this.receiveBuffer.push(Object.freeze(args));\n }\n }\n emitEvent(args) {\n if (this._anyListeners && this._anyListeners.length) {\n const listeners = this._anyListeners.slice();\n for (const listener of listeners) {\n listener.apply(this, args);\n }\n }\n super.emit.apply(this, args);\n if (this._pid && args.length && typeof args[args.length - 1] === \"string\") {\n this._lastOffset = args[args.length - 1];\n }\n }\n /**\n * Produces an ack callback to emit with an event.\n *\n * @private\n */\n ack(id) {\n const self = this;\n let sent = false;\n return function (...args) {\n // prevent double callbacks\n if (sent)\n return;\n sent = true;\n self.packet({\n type: PacketType.ACK,\n id: id,\n data: args,\n });\n };\n }\n /**\n * Called upon a server acknowlegement.\n *\n * @param packet\n * @private\n */\n onack(packet) {\n const ack = this.acks[packet.id];\n if (\"function\" === typeof ack) {\n ack.apply(this, packet.data);\n delete this.acks[packet.id];\n }\n else {\n }\n }\n /**\n * Called upon server connect.\n *\n * @private\n */\n onconnect(id, pid) {\n this.id = id;\n this.recovered = pid && this._pid === pid;\n this._pid = pid; // defined only if connection state recovery is enabled\n this.connected = true;\n this.emitBuffered();\n this.emitReserved(\"connect\");\n this._drainQueue(true);\n }\n /**\n * Emit buffered events (received and emitted).\n *\n * @private\n */\n emitBuffered() {\n this.receiveBuffer.forEach((args) => this.emitEvent(args));\n this.receiveBuffer = [];\n this.sendBuffer.forEach((packet) => {\n this.notifyOutgoingListeners(packet);\n this.packet(packet);\n });\n this.sendBuffer = [];\n }\n /**\n * Called upon server disconnect.\n *\n * @private\n */\n ondisconnect() {\n this.destroy();\n this.onclose(\"io server disconnect\");\n }\n /**\n * Called upon forced client/server side disconnections,\n * this method ensures the manager stops tracking us and\n * that reconnections don't get triggered for this.\n *\n * @private\n */\n destroy() {\n if (this.subs) {\n // clean subscriptions to avoid reconnections\n this.subs.forEach((subDestroy) => subDestroy());\n this.subs = undefined;\n }\n this.io[\"_destroy\"](this);\n }\n /**\n * Disconnects the socket manually. In that case, the socket will not try to reconnect.\n *\n * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"disconnect\", (reason) => {\n * // console.log(reason); prints \"io client disconnect\"\n * });\n *\n * socket.disconnect();\n *\n * @return self\n */\n disconnect() {\n if (this.connected) {\n this.packet({ type: PacketType.DISCONNECT });\n }\n // remove socket from pool\n this.destroy();\n if (this.connected) {\n // fire events\n this.onclose(\"io client disconnect\");\n }\n return this;\n }\n /**\n * Alias for {@link disconnect()}.\n *\n * @return self\n */\n close() {\n return this.disconnect();\n }\n /**\n * Sets the compress flag.\n *\n * @example\n * socket.compress(false).emit(\"hello\");\n *\n * @param compress - if `true`, compresses the sending data\n * @return self\n */\n compress(compress) {\n this.flags.compress = compress;\n return this;\n }\n /**\n * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not\n * ready to send messages.\n *\n * @example\n * socket.volatile.emit(\"hello\"); // the server may or may not receive it\n *\n * @returns self\n */\n get volatile() {\n this.flags.volatile = true;\n return this;\n }\n /**\n * Sets a modifier for a subsequent event emission that the callback will be called with an error when the\n * given number of milliseconds have elapsed without an acknowledgement from the server:\n *\n * @example\n * socket.timeout(5000).emit(\"my-event\", (err) => {\n * if (err) {\n * // the server did not acknowledge the event in the given delay\n * }\n * });\n *\n * @returns self\n */\n timeout(timeout) {\n this.flags.timeout = timeout;\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback.\n *\n * @example\n * socket.onAny((event, ...args) => {\n * console.log(`got ${event}`);\n * });\n *\n * @param listener\n */\n onAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.push(listener);\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback. The listener is added to the beginning of the listeners array.\n *\n * @example\n * socket.prependAny((event, ...args) => {\n * console.log(`got event ${event}`);\n * });\n *\n * @param listener\n */\n prependAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.unshift(listener);\n return this;\n }\n /**\n * Removes the listener that will be fired when any event is emitted.\n *\n * @example\n * const catchAllListener = (event, ...args) => {\n * console.log(`got event ${event}`);\n * }\n *\n * socket.onAny(catchAllListener);\n *\n * // remove a specific listener\n * socket.offAny(catchAllListener);\n *\n * // or remove all listeners\n * socket.offAny();\n *\n * @param listener\n */\n offAny(listener) {\n if (!this._anyListeners) {\n return this;\n }\n if (listener) {\n const listeners = this._anyListeners;\n for (let i = 0; i < listeners.length; i++) {\n if (listener === listeners[i]) {\n listeners.splice(i, 1);\n return this;\n }\n }\n }\n else {\n this._anyListeners = [];\n }\n return this;\n }\n /**\n * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,\n * e.g. to remove listeners.\n */\n listenersAny() {\n return this._anyListeners || [];\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback.\n *\n * Note: acknowledgements sent to the server are not included.\n *\n * @example\n * socket.onAnyOutgoing((event, ...args) => {\n * console.log(`sent event ${event}`);\n * });\n *\n * @param listener\n */\n onAnyOutgoing(listener) {\n this._anyOutgoingListeners = this._anyOutgoingListeners || [];\n this._anyOutgoingListeners.push(listener);\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback. The listener is added to the beginning of the listeners array.\n *\n * Note: acknowledgements sent to the server are not included.\n *\n * @example\n * socket.prependAnyOutgoing((event, ...args) => {\n * console.log(`sent event ${event}`);\n * });\n *\n * @param listener\n */\n prependAnyOutgoing(listener) {\n this._anyOutgoingListeners = this._anyOutgoingListeners || [];\n this._anyOutgoingListeners.unshift(listener);\n return this;\n }\n /**\n * Removes the listener that will be fired when any event is emitted.\n *\n * @example\n * const catchAllListener = (event, ...args) => {\n * console.log(`sent event ${event}`);\n * }\n *\n * socket.onAnyOutgoing(catchAllListener);\n *\n * // remove a specific listener\n * socket.offAnyOutgoing(catchAllListener);\n *\n * // or remove all listeners\n * socket.offAnyOutgoing();\n *\n * @param [listener] - the catch-all listener (optional)\n */\n offAnyOutgoing(listener) {\n if (!this._anyOutgoingListeners) {\n return this;\n }\n if (listener) {\n const listeners = this._anyOutgoingListeners;\n for (let i = 0; i < listeners.length; i++) {\n if (listener === listeners[i]) {\n listeners.splice(i, 1);\n return this;\n }\n }\n }\n else {\n this._anyOutgoingListeners = [];\n }\n return this;\n }\n /**\n * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,\n * e.g. to remove listeners.\n */\n listenersAnyOutgoing() {\n return this._anyOutgoingListeners || [];\n }\n /**\n * Notify the listeners for each packet sent\n *\n * @param packet\n *\n * @private\n */\n notifyOutgoingListeners(packet) {\n if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) {\n const listeners = this._anyOutgoingListeners.slice();\n for (const listener of listeners) {\n listener.apply(this, packet.data);\n }\n }\n }\n}\n","/**\n * Initialize backoff timer with `opts`.\n *\n * - `min` initial timeout in milliseconds [100]\n * - `max` max timeout [10000]\n * - `jitter` [0]\n * - `factor` [2]\n *\n * @param {Object} opts\n * @api public\n */\nexport function Backoff(opts) {\n opts = opts || {};\n this.ms = opts.min || 100;\n this.max = opts.max || 10000;\n this.factor = opts.factor || 2;\n this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;\n this.attempts = 0;\n}\n/**\n * Return the backoff duration.\n *\n * @return {Number}\n * @api public\n */\nBackoff.prototype.duration = function () {\n var ms = this.ms * Math.pow(this.factor, this.attempts++);\n if (this.jitter) {\n var rand = Math.random();\n var deviation = Math.floor(rand * this.jitter * ms);\n ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;\n }\n return Math.min(ms, this.max) | 0;\n};\n/**\n * Reset the number of attempts.\n *\n * @api public\n */\nBackoff.prototype.reset = function () {\n this.attempts = 0;\n};\n/**\n * Set the minimum duration\n *\n * @api public\n */\nBackoff.prototype.setMin = function (min) {\n this.ms = min;\n};\n/**\n * Set the maximum duration\n *\n * @api public\n */\nBackoff.prototype.setMax = function (max) {\n this.max = max;\n};\n/**\n * Set the jitter\n *\n * @api public\n */\nBackoff.prototype.setJitter = function (jitter) {\n this.jitter = jitter;\n};\n","import { Socket as Engine, installTimerFunctions, nextTick, } from \"engine.io-client\";\nimport { Socket } from \"./socket.js\";\nimport * as parser from \"socket.io-parser\";\nimport { on } from \"./on.js\";\nimport { Backoff } from \"./contrib/backo2.js\";\nimport { Emitter, } from \"@socket.io/component-emitter\";\nexport class Manager extends Emitter {\n constructor(uri, opts) {\n var _a;\n super();\n this.nsps = {};\n this.subs = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n opts.path = opts.path || \"/socket.io\";\n this.opts = opts;\n installTimerFunctions(this, opts);\n this.reconnection(opts.reconnection !== false);\n this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);\n this.reconnectionDelay(opts.reconnectionDelay || 1000);\n this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);\n this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5);\n this.backoff = new Backoff({\n min: this.reconnectionDelay(),\n max: this.reconnectionDelayMax(),\n jitter: this.randomizationFactor(),\n });\n this.timeout(null == opts.timeout ? 20000 : opts.timeout);\n this._readyState = \"closed\";\n this.uri = uri;\n const _parser = opts.parser || parser;\n this.encoder = new _parser.Encoder();\n this.decoder = new _parser.Decoder();\n this._autoConnect = opts.autoConnect !== false;\n if (this._autoConnect)\n this.open();\n }\n reconnection(v) {\n if (!arguments.length)\n return this._reconnection;\n this._reconnection = !!v;\n return this;\n }\n reconnectionAttempts(v) {\n if (v === undefined)\n return this._reconnectionAttempts;\n this._reconnectionAttempts = v;\n return this;\n }\n reconnectionDelay(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelay;\n this._reconnectionDelay = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v);\n return this;\n }\n randomizationFactor(v) {\n var _a;\n if (v === undefined)\n return this._randomizationFactor;\n this._randomizationFactor = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v);\n return this;\n }\n reconnectionDelayMax(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelayMax;\n this._reconnectionDelayMax = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v);\n return this;\n }\n timeout(v) {\n if (!arguments.length)\n return this._timeout;\n this._timeout = v;\n return this;\n }\n /**\n * Starts trying to reconnect if reconnection is enabled and we have not\n * started reconnecting yet\n *\n * @private\n */\n maybeReconnectOnOpen() {\n // Only try to reconnect if it's the first time we're connecting\n if (!this._reconnecting &&\n this._reconnection &&\n this.backoff.attempts === 0) {\n // keeps reconnection from firing twice for the same reconnection loop\n this.reconnect();\n }\n }\n /**\n * Sets the current transport `socket`.\n *\n * @param {Function} fn - optional, callback\n * @return self\n * @public\n */\n open(fn) {\n if (~this._readyState.indexOf(\"open\"))\n return this;\n this.engine = new Engine(this.uri, this.opts);\n const socket = this.engine;\n const self = this;\n this._readyState = \"opening\";\n this.skipReconnect = false;\n // emit `open`\n const openSubDestroy = on(socket, \"open\", function () {\n self.onopen();\n fn && fn();\n });\n const onError = (err) => {\n this.cleanup();\n this._readyState = \"closed\";\n this.emitReserved(\"error\", err);\n if (fn) {\n fn(err);\n }\n else {\n // Only do this if there is no fn to handle the error\n this.maybeReconnectOnOpen();\n }\n };\n // emit `error`\n const errorSub = on(socket, \"error\", onError);\n if (false !== this._timeout) {\n const timeout = this._timeout;\n // set timer\n const timer = this.setTimeoutFn(() => {\n openSubDestroy();\n onError(new Error(\"timeout\"));\n socket.close();\n }, timeout);\n if (this.opts.autoUnref) {\n timer.unref();\n }\n this.subs.push(() => {\n this.clearTimeoutFn(timer);\n });\n }\n this.subs.push(openSubDestroy);\n this.subs.push(errorSub);\n return this;\n }\n /**\n * Alias for open()\n *\n * @return self\n * @public\n */\n connect(fn) {\n return this.open(fn);\n }\n /**\n * Called upon transport open.\n *\n * @private\n */\n onopen() {\n // clear old subs\n this.cleanup();\n // mark as open\n this._readyState = \"open\";\n this.emitReserved(\"open\");\n // add new subs\n const socket = this.engine;\n this.subs.push(on(socket, \"ping\", this.onping.bind(this)), on(socket, \"data\", this.ondata.bind(this)), on(socket, \"error\", this.onerror.bind(this)), on(socket, \"close\", this.onclose.bind(this)), on(this.decoder, \"decoded\", this.ondecoded.bind(this)));\n }\n /**\n * Called upon a ping.\n *\n * @private\n */\n onping() {\n this.emitReserved(\"ping\");\n }\n /**\n * Called with data.\n *\n * @private\n */\n ondata(data) {\n try {\n this.decoder.add(data);\n }\n catch (e) {\n this.onclose(\"parse error\", e);\n }\n }\n /**\n * Called when parser fully decodes a packet.\n *\n * @private\n */\n ondecoded(packet) {\n // the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a \"parse error\"\n nextTick(() => {\n this.emitReserved(\"packet\", packet);\n }, this.setTimeoutFn);\n }\n /**\n * Called upon socket error.\n *\n * @private\n */\n onerror(err) {\n this.emitReserved(\"error\", err);\n }\n /**\n * Creates a new socket for the given `nsp`.\n *\n * @return {Socket}\n * @public\n */\n socket(nsp, opts) {\n let socket = this.nsps[nsp];\n if (!socket) {\n socket = new Socket(this, nsp, opts);\n this.nsps[nsp] = socket;\n }\n else if (this._autoConnect && !socket.active) {\n socket.connect();\n }\n return socket;\n }\n /**\n * Called upon a socket close.\n *\n * @param socket\n * @private\n */\n _destroy(socket) {\n const nsps = Object.keys(this.nsps);\n for (const nsp of nsps) {\n const socket = this.nsps[nsp];\n if (socket.active) {\n return;\n }\n }\n this._close();\n }\n /**\n * Writes a packet.\n *\n * @param packet\n * @private\n */\n _packet(packet) {\n const encodedPackets = this.encoder.encode(packet);\n for (let i = 0; i < encodedPackets.length; i++) {\n this.engine.write(encodedPackets[i], packet.options);\n }\n }\n /**\n * Clean up transport subscriptions and packet buffer.\n *\n * @private\n */\n cleanup() {\n this.subs.forEach((subDestroy) => subDestroy());\n this.subs.length = 0;\n this.decoder.destroy();\n }\n /**\n * Close the current socket.\n *\n * @private\n */\n _close() {\n this.skipReconnect = true;\n this._reconnecting = false;\n this.onclose(\"forced close\");\n if (this.engine)\n this.engine.close();\n }\n /**\n * Alias for close()\n *\n * @private\n */\n disconnect() {\n return this._close();\n }\n /**\n * Called upon engine close.\n *\n * @private\n */\n onclose(reason, description) {\n this.cleanup();\n this.backoff.reset();\n this._readyState = \"closed\";\n this.emitReserved(\"close\", reason, description);\n if (this._reconnection && !this.skipReconnect) {\n this.reconnect();\n }\n }\n /**\n * Attempt a reconnection.\n *\n * @private\n */\n reconnect() {\n if (this._reconnecting || this.skipReconnect)\n return this;\n const self = this;\n if (this.backoff.attempts >= this._reconnectionAttempts) {\n this.backoff.reset();\n this.emitReserved(\"reconnect_failed\");\n this._reconnecting = false;\n }\n else {\n const delay = this.backoff.duration();\n this._reconnecting = true;\n const timer = this.setTimeoutFn(() => {\n if (self.skipReconnect)\n return;\n this.emitReserved(\"reconnect_attempt\", self.backoff.attempts);\n // check again for the case socket closed in above events\n if (self.skipReconnect)\n return;\n self.open((err) => {\n if (err) {\n self._reconnecting = false;\n self.reconnect();\n this.emitReserved(\"reconnect_error\", err);\n }\n else {\n self.onreconnect();\n }\n });\n }, delay);\n if (this.opts.autoUnref) {\n timer.unref();\n }\n this.subs.push(() => {\n this.clearTimeoutFn(timer);\n });\n }\n }\n /**\n * Called upon successful reconnect.\n *\n * @private\n */\n onreconnect() {\n const attempt = this.backoff.attempts;\n this._reconnecting = false;\n this.backoff.reset();\n this.emitReserved(\"reconnect\", attempt);\n }\n}\n","import { url } from \"./url.js\";\nimport { Manager } from \"./manager.js\";\nimport { Socket } from \"./socket.js\";\n/**\n * Managers cache.\n */\nconst cache = {};\nfunction lookup(uri, opts) {\n if (typeof uri === \"object\") {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n const parsed = url(uri, opts.path || \"/socket.io\");\n const source = parsed.source;\n const id = parsed.id;\n const path = parsed.path;\n const sameNamespace = cache[id] && path in cache[id][\"nsps\"];\n const newConnection = opts.forceNew ||\n opts[\"force new connection\"] ||\n false === opts.multiplex ||\n sameNamespace;\n let io;\n if (newConnection) {\n io = new Manager(source, opts);\n }\n else {\n if (!cache[id]) {\n cache[id] = new Manager(source, opts);\n }\n io = cache[id];\n }\n if (parsed.query && 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this.subs.push(i),this.subs.push(s),this}},{key:"connect",value:function(t){return this.open(t)}},{key:"onopen",value:function(){this.cleanup(),this._readyState="open",this.emitReserved("open");var t=this.engine;this.subs.push(jt(t,"ping",this.onping.bind(this)),jt(t,"data",this.ondata.bind(this)),jt(t,"error",this.onerror.bind(this)),jt(t,"close",this.onclose.bind(this)),jt(this.decoder,"decoded",this.ondecoded.bind(this)))}},{key:"onping",value:function(){this.emitReserved("ping")}},{key:"ondata",value:function(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}}},{key:"ondecoded",value:function(t){var e=this;ut((function(){e.emitReserved("packet",t)}),this.setTimeoutFn)}},{key:"onerror",value:function(t){this.emitReserved("error",t)}},{key:"socket",value:function(t,e){var n=this.nsps[t];return n?this._autoConnect&&!n.active&&n.connect():(n=new Ut(this,t,e),this.nsps[t]=n),n}},{key:"_destroy",value:function(t){for(var e=0,n=Object.keys(this.nsps);e=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{var n=this.backoff.duration();this._reconnecting=!0;var r=this.setTimeoutFn((function(){e.skipReconnect||(t.emitReserved("reconnect_attempt",e.backoff.attempts),e.skipReconnect||e.open((function(n){n?(e._reconnecting=!1,e.reconnect(),t.emitReserved("reconnect_error",n)):e.onreconnect()})))}),n);this.opts.autoUnref&&r.unref(),this.subs.push((function(){t.clearTimeoutFn(r)}))}}},{key:"onreconnect",value:function(){var t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}]),s}(U),Mt={};function Vt(e,n){"object"===t(e)&&(n=e,e=void 0);var r,i=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"",n=arguments.length>2?arguments[2]:void 0,r=t;n=n||"undefined"!=typeof location&&location,null==t&&(t=n.protocol+"//"+n.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?n.protocol+t:n.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==n?n.protocol+"//"+t:"https://"+t),r=vt(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";var i=-1!==r.host.indexOf(":")?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+i+":"+r.port+e,r.href=r.protocol+"://"+i+(n&&n.port===r.port?"":":"+r.port),r}(e,(n=n||{}).path||"/socket.io"),o=i.source,s=i.id,a=i.path,u=Mt[s]&&a in Mt[s].nsps;return n.forceNew||n["force new connection"]||!1===n.multiplex||u?r=new Ft(o,n):(Mt[s]||(Mt[s]=new Ft(o,n)),r=Mt[s]),i.query&&!n.query&&(n.query=i.queryKey),r.socket(i.path,n)}return i(Vt,{Manager:Ft,Socket:Ut,io:Vt,connect:Vt}),Vt})); -//# sourceMappingURL=socket.io.min.js.map diff --git a/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.min.js.map b/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.min.js.map deleted file mode 100644 index 6a27b095..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.min.js.map +++ /dev/null @@ -1 +0,0 @@ -{"version":3,"file":"socket.io.min.js","sources":["../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/commons.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/encodePacket.browser.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/index.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/decodePacket.browser.js","../node_modules/@socket.io/component-emitter/index.mjs","../node_modules/engine.io-client/build/esm/globalThis.browser.js","../node_modules/engine.io-client/build/esm/util.js","../node_modules/engine.io-client/build/esm/transport.js","../node_modules/engine.io-client/build/esm/contrib/yeast.js","../node_modules/engine.io-client/build/esm/contrib/parseqs.js","../node_modules/engine.io-client/build/esm/contrib/has-cors.js","../node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.js","../node_modules/engine.io-client/build/esm/transports/polling.js","../node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.js","../node_modules/engine.io-client/build/esm/transports/websocket.js","../node_modules/engine.io-client/build/esm/transports/webtransport.js","../node_modules/engine.io-client/build/esm/transports/index.js","../node_modules/engine.io-client/build/esm/contrib/parseuri.js","../node_modules/engine.io-client/build/esm/socket.js","../node_modules/engine.io-client/build/esm/index.js","../node_modules/socket.io-parser/build/esm/is-binary.js","../node_modules/socket.io-parser/build/esm/binary.js","../node_modules/socket.io-parser/build/esm/index.js","../build/esm/on.js","../build/esm/socket.js","../build/esm/contrib/backo2.js","../build/esm/manager.js","../build/esm/index.js","../build/esm/url.js"],"sourcesContent":["const PACKET_TYPES = Object.create(null); // no Map = no polyfill\nPACKET_TYPES[\"open\"] = \"0\";\nPACKET_TYPES[\"close\"] = \"1\";\nPACKET_TYPES[\"ping\"] = \"2\";\nPACKET_TYPES[\"pong\"] = \"3\";\nPACKET_TYPES[\"message\"] = \"4\";\nPACKET_TYPES[\"upgrade\"] = \"5\";\nPACKET_TYPES[\"noop\"] = \"6\";\nconst PACKET_TYPES_REVERSE = Object.create(null);\nObject.keys(PACKET_TYPES).forEach(key => {\n PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;\n});\nconst ERROR_PACKET = { type: \"error\", data: \"parser error\" };\nexport { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET };\n","import { PACKET_TYPES } from \"./commons.js\";\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n Object.prototype.toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\n// ArrayBuffer.isView method is not defined in IE10\nconst isView = obj => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj && obj.buffer instanceof ArrayBuffer;\n};\nconst encodePacket = ({ type, data }, supportsBinary, callback) => {\n if (withNativeBlob && data instanceof Blob) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(data, callback);\n }\n }\n else if (withNativeArrayBuffer &&\n (data instanceof ArrayBuffer || isView(data))) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(new Blob([data]), callback);\n }\n }\n // plain string\n return callback(PACKET_TYPES[type] + (data || \"\"));\n};\nconst encodeBlobAsBase64 = (data, callback) => {\n const fileReader = new FileReader();\n fileReader.onload = function () {\n const content = fileReader.result.split(\",\")[1];\n callback(\"b\" + (content || \"\"));\n };\n return fileReader.readAsDataURL(data);\n};\nfunction toArray(data) {\n if (data instanceof Uint8Array) {\n return data;\n }\n else if (data instanceof ArrayBuffer) {\n return new Uint8Array(data);\n }\n else {\n return new Uint8Array(data.buffer, data.byteOffset, data.byteLength);\n }\n}\nlet TEXT_ENCODER;\nexport function encodePacketToBinary(packet, callback) {\n if (withNativeBlob && packet.data instanceof Blob) {\n return packet.data\n .arrayBuffer()\n .then(toArray)\n .then(callback);\n }\n else if (withNativeArrayBuffer &&\n (packet.data instanceof ArrayBuffer || isView(packet.data))) {\n return callback(toArray(packet.data));\n }\n encodePacket(packet, false, encoded => {\n if (!TEXT_ENCODER) {\n TEXT_ENCODER = new TextEncoder();\n }\n callback(TEXT_ENCODER.encode(encoded));\n });\n}\nexport { encodePacket };\n","// imported from https://github.com/socketio/base64-arraybuffer\nconst chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\n// Use a lookup table to find the index.\nconst lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256);\nfor (let i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n}\nexport const encode = (arraybuffer) => {\n let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = '';\n for (i = 0; i < len; i += 3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n if (len % 3 === 2) {\n base64 = base64.substring(0, base64.length - 1) + '=';\n }\n else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + '==';\n }\n return base64;\n};\nexport const decode = (base64) => {\n let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;\n if (base64[base64.length - 1] === '=') {\n bufferLength--;\n if (base64[base64.length - 2] === '=') {\n bufferLength--;\n }\n }\n const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);\n for (i = 0; i < len; i += 4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i + 1)];\n encoded3 = lookup[base64.charCodeAt(i + 2)];\n encoded4 = lookup[base64.charCodeAt(i + 3)];\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n return arraybuffer;\n};\n","import { encodePacket, encodePacketToBinary } from \"./encodePacket.js\";\nimport { decodePacket } from \"./decodePacket.js\";\nimport { ERROR_PACKET } from \"./commons.js\";\nconst SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text\nconst encodePayload = (packets, callback) => {\n // some packets may be added to the array while encoding, so the initial length must be saved\n const length = packets.length;\n const encodedPackets = new Array(length);\n let count = 0;\n packets.forEach((packet, i) => {\n // force base64 encoding for binary packets\n encodePacket(packet, false, encodedPacket => {\n encodedPackets[i] = encodedPacket;\n if (++count === length) {\n callback(encodedPackets.join(SEPARATOR));\n }\n });\n });\n};\nconst decodePayload = (encodedPayload, binaryType) => {\n const encodedPackets = encodedPayload.split(SEPARATOR);\n const packets = [];\n for (let i = 0; i < encodedPackets.length; i++) {\n const decodedPacket = decodePacket(encodedPackets[i], binaryType);\n packets.push(decodedPacket);\n if (decodedPacket.type === \"error\") {\n break;\n }\n }\n return packets;\n};\nexport function createPacketEncoderStream() {\n return new TransformStream({\n transform(packet, controller) {\n encodePacketToBinary(packet, encodedPacket => {\n const payloadLength = encodedPacket.length;\n let header;\n // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length\n if (payloadLength < 126) {\n header = new Uint8Array(1);\n new DataView(header.buffer).setUint8(0, payloadLength);\n }\n else if (payloadLength < 65536) {\n header = new Uint8Array(3);\n const view = new DataView(header.buffer);\n view.setUint8(0, 126);\n view.setUint16(1, payloadLength);\n }\n else {\n header = new Uint8Array(9);\n const view = new DataView(header.buffer);\n view.setUint8(0, 127);\n view.setBigUint64(1, BigInt(payloadLength));\n }\n // first bit indicates whether the payload is plain text (0) or binary (1)\n if (packet.data && typeof packet.data !== \"string\") {\n header[0] |= 0x80;\n }\n controller.enqueue(header);\n controller.enqueue(encodedPacket);\n });\n }\n });\n}\nlet TEXT_DECODER;\nfunction totalLength(chunks) {\n return chunks.reduce((acc, chunk) => acc + chunk.length, 0);\n}\nfunction concatChunks(chunks, size) {\n if (chunks[0].length === size) {\n return chunks.shift();\n }\n const buffer = new Uint8Array(size);\n let j = 0;\n for (let i = 0; i < size; i++) {\n buffer[i] = chunks[0][j++];\n if (j === chunks[0].length) {\n chunks.shift();\n j = 0;\n }\n }\n if (chunks.length && j < chunks[0].length) {\n chunks[0] = chunks[0].slice(j);\n }\n return buffer;\n}\nexport function createPacketDecoderStream(maxPayload, binaryType) {\n if (!TEXT_DECODER) {\n TEXT_DECODER = new TextDecoder();\n }\n const chunks = [];\n let state = 0 /* READ_HEADER */;\n let expectedLength = -1;\n let isBinary = false;\n return new TransformStream({\n transform(chunk, controller) {\n chunks.push(chunk);\n while (true) {\n if (state === 0 /* READ_HEADER */) {\n if (totalLength(chunks) < 1) {\n break;\n }\n const header = concatChunks(chunks, 1);\n isBinary = (header[0] & 0x80) === 0x80;\n expectedLength = header[0] & 0x7f;\n if (expectedLength < 126) {\n state = 3 /* READ_PAYLOAD */;\n }\n else if (expectedLength === 126) {\n state = 1 /* READ_EXTENDED_LENGTH_16 */;\n }\n else {\n state = 2 /* READ_EXTENDED_LENGTH_64 */;\n }\n }\n else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) {\n if (totalLength(chunks) < 2) {\n break;\n }\n const headerArray = concatChunks(chunks, 2);\n expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0);\n state = 3 /* READ_PAYLOAD */;\n }\n else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) {\n if (totalLength(chunks) < 8) {\n break;\n }\n const headerArray = concatChunks(chunks, 8);\n const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length);\n const n = view.getUint32(0);\n if (n > Math.pow(2, 53 - 32) - 1) {\n // the maximum safe integer in JavaScript is 2^53 - 1\n controller.enqueue(ERROR_PACKET);\n break;\n }\n expectedLength = n * Math.pow(2, 32) + view.getUint32(4);\n state = 3 /* READ_PAYLOAD */;\n }\n else {\n if (totalLength(chunks) < expectedLength) {\n break;\n }\n const data = concatChunks(chunks, expectedLength);\n controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType));\n state = 0 /* READ_HEADER */;\n }\n if (expectedLength === 0 || expectedLength > maxPayload) {\n controller.enqueue(ERROR_PACKET);\n break;\n }\n }\n }\n });\n}\nexport const protocol = 4;\nexport { encodePacket, encodePayload, decodePacket, decodePayload };\n","import { ERROR_PACKET, PACKET_TYPES_REVERSE } from \"./commons.js\";\nimport { decode } from \"./contrib/base64-arraybuffer.js\";\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nexport const decodePacket = (encodedPacket, binaryType) => {\n if (typeof encodedPacket !== \"string\") {\n return {\n type: \"message\",\n data: mapBinary(encodedPacket, binaryType)\n };\n }\n const type = encodedPacket.charAt(0);\n if (type === \"b\") {\n return {\n type: \"message\",\n data: decodeBase64Packet(encodedPacket.substring(1), binaryType)\n };\n }\n const packetType = PACKET_TYPES_REVERSE[type];\n if (!packetType) {\n return ERROR_PACKET;\n }\n return encodedPacket.length > 1\n ? {\n type: PACKET_TYPES_REVERSE[type],\n data: encodedPacket.substring(1)\n }\n : {\n type: PACKET_TYPES_REVERSE[type]\n };\n};\nconst decodeBase64Packet = (data, binaryType) => {\n if (withNativeArrayBuffer) {\n const decoded = decode(data);\n return mapBinary(decoded, binaryType);\n }\n else {\n return { base64: true, data }; // fallback for old browsers\n }\n};\nconst mapBinary = (data, binaryType) => {\n switch (binaryType) {\n case \"blob\":\n if (data instanceof Blob) {\n // from WebSocket + binaryType \"blob\"\n return data;\n }\n else {\n // from HTTP long-polling or WebTransport\n return new Blob([data]);\n }\n case \"arraybuffer\":\n default:\n if (data instanceof ArrayBuffer) {\n // from HTTP long-polling (base64) or WebSocket + binaryType \"arraybuffer\"\n return data;\n }\n else {\n // from WebTransport (Uint8Array)\n return data.buffer;\n }\n }\n};\n","/**\n * Initialize a new `Emitter`.\n *\n * @api public\n */\n\nexport function Emitter(obj) {\n if (obj) return mixin(obj);\n}\n\n/**\n * Mixin the emitter properties.\n *\n * @param {Object} obj\n * @return {Object}\n * @api private\n */\n\nfunction mixin(obj) {\n for (var key in Emitter.prototype) {\n obj[key] = Emitter.prototype[key];\n }\n return obj;\n}\n\n/**\n * Listen on the given `event` with `fn`.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.on =\nEmitter.prototype.addEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\n .push(fn);\n return this;\n};\n\n/**\n * Adds an `event` listener that will be invoked a single\n * time then automatically removed.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.once = function(event, fn){\n function on() {\n this.off(event, on);\n fn.apply(this, arguments);\n }\n\n on.fn = fn;\n this.on(event, on);\n return this;\n};\n\n/**\n * Remove the given callback for `event` or all\n * registered callbacks.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.off =\nEmitter.prototype.removeListener =\nEmitter.prototype.removeAllListeners =\nEmitter.prototype.removeEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n\n // all\n if (0 == arguments.length) {\n this._callbacks = {};\n return this;\n }\n\n // specific event\n var callbacks = this._callbacks['$' + event];\n if (!callbacks) return this;\n\n // remove all handlers\n if (1 == arguments.length) {\n delete this._callbacks['$' + event];\n return this;\n }\n\n // remove specific handler\n var cb;\n for (var i = 0; i < callbacks.length; i++) {\n cb = callbacks[i];\n if (cb === fn || cb.fn === fn) {\n callbacks.splice(i, 1);\n break;\n }\n }\n\n // Remove event specific arrays for event types that no\n // one is subscribed for to avoid memory leak.\n if (callbacks.length === 0) {\n delete this._callbacks['$' + event];\n }\n\n return this;\n};\n\n/**\n * Emit `event` with the given args.\n *\n * @param {String} event\n * @param {Mixed} ...\n * @return {Emitter}\n */\n\nEmitter.prototype.emit = function(event){\n this._callbacks = this._callbacks || {};\n\n var args = new Array(arguments.length - 1)\n , callbacks = this._callbacks['$' + event];\n\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n\n if (callbacks) {\n callbacks = callbacks.slice(0);\n for (var i = 0, len = callbacks.length; i < len; ++i) {\n callbacks[i].apply(this, args);\n }\n }\n\n return this;\n};\n\n// alias used for reserved events (protected method)\nEmitter.prototype.emitReserved = Emitter.prototype.emit;\n\n/**\n * Return array of callbacks for `event`.\n *\n * @param {String} event\n * @return {Array}\n * @api public\n */\n\nEmitter.prototype.listeners = function(event){\n this._callbacks = this._callbacks || {};\n return this._callbacks['$' + event] || [];\n};\n\n/**\n * Check if this emitter has `event` handlers.\n *\n * @param {String} event\n * @return {Boolean}\n * @api public\n */\n\nEmitter.prototype.hasListeners = function(event){\n return !! this.listeners(event).length;\n};\n","export const globalThisShim = (() => {\n if (typeof self !== \"undefined\") {\n return self;\n }\n else if (typeof window !== \"undefined\") {\n return window;\n }\n else {\n return Function(\"return this\")();\n }\n})();\n","import { globalThisShim as globalThis } from \"./globalThis.js\";\nexport function pick(obj, ...attr) {\n return attr.reduce((acc, k) => {\n if (obj.hasOwnProperty(k)) {\n acc[k] = obj[k];\n }\n return acc;\n }, {});\n}\n// Keep a reference to the real timeout functions so they can be used when overridden\nconst NATIVE_SET_TIMEOUT = globalThis.setTimeout;\nconst NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout;\nexport function installTimerFunctions(obj, opts) {\n if (opts.useNativeTimers) {\n obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis);\n obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis);\n }\n else {\n obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis);\n obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis);\n }\n}\n// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64)\nconst BASE64_OVERHEAD = 1.33;\n// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9\nexport function byteLength(obj) {\n if (typeof obj === \"string\") {\n return utf8Length(obj);\n }\n // arraybuffer or blob\n return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD);\n}\nfunction utf8Length(str) {\n let c = 0, length = 0;\n for (let i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n length += 1;\n }\n else if (c < 0x800) {\n length += 2;\n }\n else if (c < 0xd800 || c >= 0xe000) {\n length += 3;\n }\n else {\n i++;\n length += 4;\n }\n }\n return length;\n}\n","import { decodePacket } from \"engine.io-parser\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions } from \"./util.js\";\nimport { encode } from \"./contrib/parseqs.js\";\nclass TransportError extends Error {\n constructor(reason, description, context) {\n super(reason);\n this.description = description;\n this.context = context;\n this.type = \"TransportError\";\n }\n}\nexport class Transport extends Emitter {\n /**\n * Transport abstract constructor.\n *\n * @param {Object} opts - options\n * @protected\n */\n constructor(opts) {\n super();\n this.writable = false;\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.query = opts.query;\n this.socket = opts.socket;\n }\n /**\n * Emits an error.\n *\n * @param {String} reason\n * @param description\n * @param context - the error context\n * @return {Transport} for chaining\n * @protected\n */\n onError(reason, description, context) {\n super.emitReserved(\"error\", new TransportError(reason, description, context));\n return this;\n }\n /**\n * Opens the transport.\n */\n open() {\n this.readyState = \"opening\";\n this.doOpen();\n return this;\n }\n /**\n * Closes the transport.\n */\n close() {\n if (this.readyState === \"opening\" || this.readyState === \"open\") {\n this.doClose();\n this.onClose();\n }\n return this;\n }\n /**\n * Sends multiple packets.\n *\n * @param {Array} packets\n */\n send(packets) {\n if (this.readyState === \"open\") {\n this.write(packets);\n }\n else {\n // this might happen if the transport was silently closed in the beforeunload event handler\n }\n }\n /**\n * Called upon open\n *\n * @protected\n */\n onOpen() {\n this.readyState = \"open\";\n this.writable = true;\n super.emitReserved(\"open\");\n }\n /**\n * Called with data.\n *\n * @param {String} data\n * @protected\n */\n onData(data) {\n const packet = decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n }\n /**\n * Called with a decoded packet.\n *\n * @protected\n */\n onPacket(packet) {\n super.emitReserved(\"packet\", packet);\n }\n /**\n * Called upon close.\n *\n * @protected\n */\n onClose(details) {\n this.readyState = \"closed\";\n super.emitReserved(\"close\", details);\n }\n /**\n * Pauses the transport, in order not to lose packets during an upgrade.\n *\n * @param onPause\n */\n pause(onPause) { }\n createUri(schema, query = {}) {\n return (schema +\n \"://\" +\n this._hostname() +\n this._port() +\n this.opts.path +\n this._query(query));\n }\n _hostname() {\n const hostname = this.opts.hostname;\n return hostname.indexOf(\":\") === -1 ? hostname : \"[\" + hostname + \"]\";\n }\n _port() {\n if (this.opts.port &&\n ((this.opts.secure && Number(this.opts.port !== 443)) ||\n (!this.opts.secure && Number(this.opts.port) !== 80))) {\n return \":\" + this.opts.port;\n }\n else {\n return \"\";\n }\n }\n _query(query) {\n const encodedQuery = encode(query);\n return encodedQuery.length ? \"?\" + encodedQuery : \"\";\n }\n}\n","// imported from https://github.com/unshiftio/yeast\n'use strict';\nconst alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {};\nlet seed = 0, i = 0, prev;\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nexport function encode(num) {\n let encoded = '';\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n return encoded;\n}\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nexport function decode(str) {\n let decoded = 0;\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n return decoded;\n}\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nexport function yeast() {\n const now = encode(+new Date());\n if (now !== prev)\n return seed = 0, prev = now;\n return now + '.' + encode(seed++);\n}\n//\n// Map each character to its index.\n//\nfor (; i < length; i++)\n map[alphabet[i]] = i;\n","// imported from https://github.com/galkn/querystring\n/**\n * Compiles a querystring\n * Returns string representation of the object\n *\n * @param {Object}\n * @api private\n */\nexport function encode(obj) {\n let str = '';\n for (let i in obj) {\n if (obj.hasOwnProperty(i)) {\n if (str.length)\n str += '&';\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\n }\n }\n return str;\n}\n/**\n * Parses a simple querystring into an object\n *\n * @param {String} qs\n * @api private\n */\nexport function decode(qs) {\n let qry = {};\n let pairs = qs.split('&');\n for (let i = 0, l = pairs.length; i < l; i++) {\n let pair = pairs[i].split('=');\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n }\n return qry;\n}\n","// imported from https://github.com/component/has-cors\nlet value = false;\ntry {\n value = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n}\ncatch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n}\nexport const hasCORS = value;\n","// browser shim for xmlhttprequest module\nimport { hasCORS } from \"../contrib/has-cors.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nexport function XHR(opts) {\n const xdomain = opts.xdomain;\n // XMLHttpRequest can be disabled on IE\n try {\n if (\"undefined\" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n }\n catch (e) { }\n if (!xdomain) {\n try {\n return new globalThis[[\"Active\"].concat(\"Object\").join(\"X\")](\"Microsoft.XMLHTTP\");\n }\n catch (e) { }\n }\n}\nexport function createCookieJar() { }\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { encodePayload, decodePayload } from \"engine.io-parser\";\nimport { createCookieJar, XHR as XMLHttpRequest, } from \"./xmlhttprequest.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions, pick } from \"../util.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nfunction empty() { }\nconst hasXHR2 = (function () {\n const xhr = new XMLHttpRequest({\n xdomain: false,\n });\n return null != xhr.responseType;\n})();\nexport class Polling extends Transport {\n /**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @package\n */\n constructor(opts) {\n super(opts);\n this.polling = false;\n if (typeof location !== \"undefined\") {\n const isSSL = \"https:\" === location.protocol;\n let port = location.port;\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? \"443\" : \"80\";\n }\n this.xd =\n (typeof location !== \"undefined\" &&\n opts.hostname !== location.hostname) ||\n port !== opts.port;\n }\n /**\n * XHR supports binary\n */\n const forceBase64 = opts && opts.forceBase64;\n this.supportsBinary = hasXHR2 && !forceBase64;\n if (this.opts.withCredentials) {\n this.cookieJar = createCookieJar();\n }\n }\n get name() {\n return \"polling\";\n }\n /**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @protected\n */\n doOpen() {\n this.poll();\n }\n /**\n * Pauses polling.\n *\n * @param {Function} onPause - callback upon buffers are flushed and transport is paused\n * @package\n */\n pause(onPause) {\n this.readyState = \"pausing\";\n const pause = () => {\n this.readyState = \"paused\";\n onPause();\n };\n if (this.polling || !this.writable) {\n let total = 0;\n if (this.polling) {\n total++;\n this.once(\"pollComplete\", function () {\n --total || pause();\n });\n }\n if (!this.writable) {\n total++;\n this.once(\"drain\", function () {\n --total || pause();\n });\n }\n }\n else {\n pause();\n }\n }\n /**\n * Starts polling cycle.\n *\n * @private\n */\n poll() {\n this.polling = true;\n this.doPoll();\n this.emitReserved(\"poll\");\n }\n /**\n * Overloads onData to detect payloads.\n *\n * @protected\n */\n onData(data) {\n const callback = (packet) => {\n // if its the first message we consider the transport open\n if (\"opening\" === this.readyState && packet.type === \"open\") {\n this.onOpen();\n }\n // if its a close packet, we close the ongoing requests\n if (\"close\" === packet.type) {\n this.onClose({ description: \"transport closed by the server\" });\n return false;\n }\n // otherwise bypass onData and handle the message\n this.onPacket(packet);\n };\n // decode payload\n decodePayload(data, this.socket.binaryType).forEach(callback);\n // if an event did not trigger closing\n if (\"closed\" !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emitReserved(\"pollComplete\");\n if (\"open\" === this.readyState) {\n this.poll();\n }\n else {\n }\n }\n }\n /**\n * For polling, send a close packet.\n *\n * @protected\n */\n doClose() {\n const close = () => {\n this.write([{ type: \"close\" }]);\n };\n if (\"open\" === this.readyState) {\n close();\n }\n else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n this.once(\"open\", close);\n }\n }\n /**\n * Writes a packets payload.\n *\n * @param {Array} packets - data packets\n * @protected\n */\n write(packets) {\n this.writable = false;\n encodePayload(packets, (data) => {\n this.doWrite(data, () => {\n this.writable = true;\n this.emitReserved(\"drain\");\n });\n });\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"https\" : \"http\";\n const query = this.query || {};\n // cache busting is forced\n if (false !== this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Creates a request.\n *\n * @param {String} method\n * @private\n */\n request(opts = {}) {\n Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts);\n return new Request(this.uri(), opts);\n }\n /**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @private\n */\n doWrite(data, fn) {\n const req = this.request({\n method: \"POST\",\n data: data,\n });\n req.on(\"success\", fn);\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr post error\", xhrStatus, context);\n });\n }\n /**\n * Starts a poll cycle.\n *\n * @private\n */\n doPoll() {\n const req = this.request();\n req.on(\"data\", this.onData.bind(this));\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr poll error\", xhrStatus, context);\n });\n this.pollXhr = req;\n }\n}\nexport class Request extends Emitter {\n /**\n * Request constructor\n *\n * @param {Object} options\n * @package\n */\n constructor(uri, opts) {\n super();\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.method = opts.method || \"GET\";\n this.uri = uri;\n this.data = undefined !== opts.data ? opts.data : null;\n this.create();\n }\n /**\n * Creates the XHR object and sends the request.\n *\n * @private\n */\n create() {\n var _a;\n const opts = pick(this.opts, \"agent\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"autoUnref\");\n opts.xdomain = !!this.opts.xd;\n const xhr = (this.xhr = new XMLHttpRequest(opts));\n try {\n xhr.open(this.method, this.uri, true);\n try {\n if (this.opts.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (let i in this.opts.extraHeaders) {\n if (this.opts.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.opts.extraHeaders[i]);\n }\n }\n }\n }\n catch (e) { }\n if (\"POST\" === this.method) {\n try {\n xhr.setRequestHeader(\"Content-type\", \"text/plain;charset=UTF-8\");\n }\n catch (e) { }\n }\n try {\n xhr.setRequestHeader(\"Accept\", \"*/*\");\n }\n catch (e) { }\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr);\n // ie6 check\n if (\"withCredentials\" in xhr) {\n xhr.withCredentials = this.opts.withCredentials;\n }\n if (this.opts.requestTimeout) {\n xhr.timeout = this.opts.requestTimeout;\n }\n xhr.onreadystatechange = () => {\n var _a;\n if (xhr.readyState === 3) {\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr);\n }\n if (4 !== xhr.readyState)\n return;\n if (200 === xhr.status || 1223 === xhr.status) {\n this.onLoad();\n }\n else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n this.setTimeoutFn(() => {\n this.onError(typeof xhr.status === \"number\" ? xhr.status : 0);\n }, 0);\n }\n };\n xhr.send(this.data);\n }\n catch (e) {\n // Need to defer since .create() is called directly from the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n this.setTimeoutFn(() => {\n this.onError(e);\n }, 0);\n return;\n }\n if (typeof document !== \"undefined\") {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n }\n /**\n * Called upon error.\n *\n * @private\n */\n onError(err) {\n this.emitReserved(\"error\", err, this.xhr);\n this.cleanup(true);\n }\n /**\n * Cleans up house.\n *\n * @private\n */\n cleanup(fromError) {\n if (\"undefined\" === typeof this.xhr || null === this.xhr) {\n return;\n }\n this.xhr.onreadystatechange = empty;\n if (fromError) {\n try {\n this.xhr.abort();\n }\n catch (e) { }\n }\n if (typeof document !== \"undefined\") {\n delete Request.requests[this.index];\n }\n this.xhr = null;\n }\n /**\n * Called upon load.\n *\n * @private\n */\n onLoad() {\n const data = this.xhr.responseText;\n if (data !== null) {\n this.emitReserved(\"data\", data);\n this.emitReserved(\"success\");\n this.cleanup();\n }\n }\n /**\n * Aborts the request.\n *\n * @package\n */\n abort() {\n this.cleanup();\n }\n}\nRequest.requestsCount = 0;\nRequest.requests = {};\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\nif (typeof document !== \"undefined\") {\n // @ts-ignore\n if (typeof attachEvent === \"function\") {\n // @ts-ignore\n attachEvent(\"onunload\", unloadHandler);\n }\n else if (typeof addEventListener === \"function\") {\n const terminationEvent = \"onpagehide\" in globalThis ? \"pagehide\" : \"unload\";\n addEventListener(terminationEvent, unloadHandler, false);\n }\n}\nfunction unloadHandler() {\n for (let i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n","import { globalThisShim as globalThis } from \"../globalThis.js\";\nexport const nextTick = (() => {\n const isPromiseAvailable = typeof Promise === \"function\" && typeof Promise.resolve === \"function\";\n if (isPromiseAvailable) {\n return (cb) => Promise.resolve().then(cb);\n }\n else {\n return (cb, setTimeoutFn) => setTimeoutFn(cb, 0);\n }\n})();\nexport const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket;\nexport const usingBrowserWebSocket = true;\nexport const defaultBinaryType = \"arraybuffer\";\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { pick } from \"../util.js\";\nimport { nextTick, usingBrowserWebSocket, WebSocket, } from \"./websocket-constructor.js\";\nimport { encodePacket } from \"engine.io-parser\";\n// detect ReactNative environment\nconst isReactNative = typeof navigator !== \"undefined\" &&\n typeof navigator.product === \"string\" &&\n navigator.product.toLowerCase() === \"reactnative\";\nexport class WS extends Transport {\n /**\n * WebSocket transport constructor.\n *\n * @param {Object} opts - connection options\n * @protected\n */\n constructor(opts) {\n super(opts);\n this.supportsBinary = !opts.forceBase64;\n }\n get name() {\n return \"websocket\";\n }\n doOpen() {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n const uri = this.uri();\n const protocols = this.opts.protocols;\n // React Native only supports the 'headers' option, and will print a warning if anything else is passed\n const opts = isReactNative\n ? {}\n : pick(this.opts, \"agent\", \"perMessageDeflate\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"localAddress\", \"protocolVersion\", \"origin\", \"maxPayload\", \"family\", \"checkServerIdentity\");\n if (this.opts.extraHeaders) {\n opts.headers = this.opts.extraHeaders;\n }\n try {\n this.ws =\n usingBrowserWebSocket && !isReactNative\n ? protocols\n ? new WebSocket(uri, protocols)\n : new WebSocket(uri)\n : new WebSocket(uri, protocols, opts);\n }\n catch (err) {\n return this.emitReserved(\"error\", err);\n }\n this.ws.binaryType = this.socket.binaryType;\n this.addEventListeners();\n }\n /**\n * Adds event listeners to the socket\n *\n * @private\n */\n addEventListeners() {\n this.ws.onopen = () => {\n if (this.opts.autoUnref) {\n this.ws._socket.unref();\n }\n this.onOpen();\n };\n this.ws.onclose = (closeEvent) => this.onClose({\n description: \"websocket connection closed\",\n context: closeEvent,\n });\n this.ws.onmessage = (ev) => this.onData(ev.data);\n this.ws.onerror = (e) => this.onError(\"websocket error\", e);\n }\n write(packets) {\n this.writable = false;\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n encodePacket(packet, this.supportsBinary, (data) => {\n // always create a new object (GH-437)\n const opts = {};\n if (!usingBrowserWebSocket) {\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n if (this.opts.perMessageDeflate) {\n const len = \n // @ts-ignore\n \"string\" === typeof data ? Buffer.byteLength(data) : data.length;\n if (len < this.opts.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n this.ws.send(data);\n }\n else {\n this.ws.send(data, opts);\n }\n }\n catch (e) {\n }\n if (lastPacket) {\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n if (typeof this.ws !== \"undefined\") {\n this.ws.close();\n this.ws = null;\n }\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"wss\" : \"ws\";\n const query = this.query || {};\n // append timestamp to URI\n if (this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @private\n */\n check() {\n return !!WebSocket;\n }\n}\n","import { Transport } from \"../transport.js\";\nimport { nextTick } from \"./websocket-constructor.js\";\nimport { createPacketDecoderStream, createPacketEncoderStream, } from \"engine.io-parser\";\nexport class WT extends Transport {\n get name() {\n return \"webtransport\";\n }\n doOpen() {\n // @ts-ignore\n if (typeof WebTransport !== \"function\") {\n return;\n }\n // @ts-ignore\n this.transport = new WebTransport(this.createUri(\"https\"), this.opts.transportOptions[this.name]);\n this.transport.closed\n .then(() => {\n this.onClose();\n })\n .catch((err) => {\n this.onError(\"webtransport error\", err);\n });\n // note: we could have used async/await, but that would require some additional polyfills\n this.transport.ready.then(() => {\n this.transport.createBidirectionalStream().then((stream) => {\n const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType);\n const reader = stream.readable.pipeThrough(decoderStream).getReader();\n const encoderStream = createPacketEncoderStream();\n encoderStream.readable.pipeTo(stream.writable);\n this.writer = encoderStream.writable.getWriter();\n const read = () => {\n reader\n .read()\n .then(({ done, value }) => {\n if (done) {\n return;\n }\n this.onPacket(value);\n read();\n })\n .catch((err) => {\n });\n };\n read();\n const packet = { type: \"open\" };\n if (this.query.sid) {\n packet.data = `{\"sid\":\"${this.query.sid}\"}`;\n }\n this.writer.write(packet).then(() => this.onOpen());\n });\n });\n }\n write(packets) {\n this.writable = false;\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n this.writer.write(packet).then(() => {\n if (lastPacket) {\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n var _a;\n (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close();\n }\n}\n","import { Polling } from \"./polling.js\";\nimport { WS } from \"./websocket.js\";\nimport { WT } from \"./webtransport.js\";\nexport const transports = {\n websocket: WS,\n webtransport: WT,\n polling: Polling,\n};\n","// imported from https://github.com/galkn/parseuri\n/**\n * Parses a URI\n *\n * Note: we could also have used the built-in URL object, but it isn't supported on all platforms.\n *\n * See:\n * - https://developer.mozilla.org/en-US/docs/Web/API/URL\n * - https://caniuse.com/url\n * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B\n *\n * History of the parse() method:\n * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c\n * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3\n * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242\n *\n * @author Steven Levithan (MIT license)\n * @api private\n */\nconst re = /^(?:(?![^:@\\/?#]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@\\/?#]*)(?::([^:@\\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\nconst parts = [\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\n];\nexport function parse(str) {\n const src = str, b = str.indexOf('['), e = str.indexOf(']');\n if (b != -1 && e != -1) {\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\n }\n let m = re.exec(str || ''), uri = {}, i = 14;\n while (i--) {\n uri[parts[i]] = m[i] || '';\n }\n if (b != -1 && e != -1) {\n uri.source = src;\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\n uri.ipv6uri = true;\n }\n uri.pathNames = pathNames(uri, uri['path']);\n uri.queryKey = queryKey(uri, uri['query']);\n return uri;\n}\nfunction pathNames(obj, path) {\n const regx = /\\/{2,9}/g, names = path.replace(regx, \"/\").split(\"/\");\n if (path.slice(0, 1) == '/' || path.length === 0) {\n names.splice(0, 1);\n }\n if (path.slice(-1) == '/') {\n names.splice(names.length - 1, 1);\n }\n return names;\n}\nfunction queryKey(uri, query) {\n const data = {};\n query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {\n if ($1) {\n data[$1] = $2;\n }\n });\n return data;\n}\n","import { transports } from \"./transports/index.js\";\nimport { installTimerFunctions, byteLength } from \"./util.js\";\nimport { decode } from \"./contrib/parseqs.js\";\nimport { parse } from \"./contrib/parseuri.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { protocol } from \"engine.io-parser\";\nimport { defaultBinaryType } from \"./transports/websocket-constructor.js\";\nexport class Socket extends Emitter {\n /**\n * Socket constructor.\n *\n * @param {String|Object} uri - uri or options\n * @param {Object} opts - options\n */\n constructor(uri, opts = {}) {\n super();\n this.binaryType = defaultBinaryType;\n this.writeBuffer = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = null;\n }\n if (uri) {\n uri = parse(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === \"https\" || uri.protocol === \"wss\";\n opts.port = uri.port;\n if (uri.query)\n opts.query = uri.query;\n }\n else if (opts.host) {\n opts.hostname = parse(opts.host).host;\n }\n installTimerFunctions(this, opts);\n this.secure =\n null != opts.secure\n ? opts.secure\n : typeof location !== \"undefined\" && \"https:\" === location.protocol;\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? \"443\" : \"80\";\n }\n this.hostname =\n opts.hostname ||\n (typeof location !== \"undefined\" ? location.hostname : \"localhost\");\n this.port =\n opts.port ||\n (typeof location !== \"undefined\" && location.port\n ? location.port\n : this.secure\n ? \"443\"\n : \"80\");\n this.transports = opts.transports || [\n \"polling\",\n \"websocket\",\n \"webtransport\",\n ];\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.opts = Object.assign({\n path: \"/engine.io\",\n agent: false,\n withCredentials: false,\n upgrade: true,\n timestampParam: \"t\",\n rememberUpgrade: false,\n addTrailingSlash: true,\n rejectUnauthorized: true,\n perMessageDeflate: {\n threshold: 1024,\n },\n transportOptions: {},\n closeOnBeforeunload: false,\n }, opts);\n this.opts.path =\n this.opts.path.replace(/\\/$/, \"\") +\n (this.opts.addTrailingSlash ? \"/\" : \"\");\n if (typeof this.opts.query === \"string\") {\n this.opts.query = decode(this.opts.query);\n }\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n // set on heartbeat\n this.pingTimeoutTimer = null;\n if (typeof addEventListener === \"function\") {\n if (this.opts.closeOnBeforeunload) {\n // Firefox closes the connection when the \"beforeunload\" event is emitted but not Chrome. This event listener\n // ensures every browser behaves the same (no \"disconnect\" event at the Socket.IO level when the page is\n // closed/reloaded)\n this.beforeunloadEventListener = () => {\n if (this.transport) {\n // silently close the transport\n this.transport.removeAllListeners();\n this.transport.close();\n }\n };\n addEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n }\n if (this.hostname !== \"localhost\") {\n this.offlineEventListener = () => {\n this.onClose(\"transport close\", {\n description: \"network connection lost\",\n });\n };\n addEventListener(\"offline\", this.offlineEventListener, false);\n }\n }\n this.open();\n }\n /**\n * Creates transport of the given type.\n *\n * @param {String} name - transport name\n * @return {Transport}\n * @private\n */\n createTransport(name) {\n const query = Object.assign({}, this.opts.query);\n // append engine.io protocol identifier\n query.EIO = protocol;\n // transport name\n query.transport = name;\n // session id if we already have one\n if (this.id)\n query.sid = this.id;\n const opts = Object.assign({}, this.opts, {\n query,\n socket: this,\n hostname: this.hostname,\n secure: this.secure,\n port: this.port,\n }, this.opts.transportOptions[name]);\n return new transports[name](opts);\n }\n /**\n * Initializes transport to use and starts probe.\n *\n * @private\n */\n open() {\n let transport;\n if (this.opts.rememberUpgrade &&\n Socket.priorWebsocketSuccess &&\n this.transports.indexOf(\"websocket\") !== -1) {\n transport = \"websocket\";\n }\n else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n this.setTimeoutFn(() => {\n this.emitReserved(\"error\", \"No transports available\");\n }, 0);\n return;\n }\n else {\n transport = this.transports[0];\n }\n this.readyState = \"opening\";\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n }\n catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n transport.open();\n this.setTransport(transport);\n }\n /**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @private\n */\n setTransport(transport) {\n if (this.transport) {\n this.transport.removeAllListeners();\n }\n // set up transport\n this.transport = transport;\n // set up transport listeners\n transport\n .on(\"drain\", this.onDrain.bind(this))\n .on(\"packet\", this.onPacket.bind(this))\n .on(\"error\", this.onError.bind(this))\n .on(\"close\", (reason) => this.onClose(\"transport close\", reason));\n }\n /**\n * Probes a transport.\n *\n * @param {String} name - transport name\n * @private\n */\n probe(name) {\n let transport = this.createTransport(name);\n let failed = false;\n Socket.priorWebsocketSuccess = false;\n const onTransportOpen = () => {\n if (failed)\n return;\n transport.send([{ type: \"ping\", data: \"probe\" }]);\n transport.once(\"packet\", (msg) => {\n if (failed)\n return;\n if (\"pong\" === msg.type && \"probe\" === msg.data) {\n this.upgrading = true;\n this.emitReserved(\"upgrading\", transport);\n if (!transport)\n return;\n Socket.priorWebsocketSuccess = \"websocket\" === transport.name;\n this.transport.pause(() => {\n if (failed)\n return;\n if (\"closed\" === this.readyState)\n return;\n cleanup();\n this.setTransport(transport);\n transport.send([{ type: \"upgrade\" }]);\n this.emitReserved(\"upgrade\", transport);\n transport = null;\n this.upgrading = false;\n this.flush();\n });\n }\n else {\n const err = new Error(\"probe error\");\n // @ts-ignore\n err.transport = transport.name;\n this.emitReserved(\"upgradeError\", err);\n }\n });\n };\n function freezeTransport() {\n if (failed)\n return;\n // Any callback called by transport should be ignored since now\n failed = true;\n cleanup();\n transport.close();\n transport = null;\n }\n // Handle any error that happens while probing\n const onerror = (err) => {\n const error = new Error(\"probe error: \" + err);\n // @ts-ignore\n error.transport = transport.name;\n freezeTransport();\n this.emitReserved(\"upgradeError\", error);\n };\n function onTransportClose() {\n onerror(\"transport closed\");\n }\n // When the socket is closed while we're probing\n function onclose() {\n onerror(\"socket closed\");\n }\n // When the socket is upgraded while we're probing\n function onupgrade(to) {\n if (transport && to.name !== transport.name) {\n freezeTransport();\n }\n }\n // Remove all listeners on the transport and on self\n const cleanup = () => {\n transport.removeListener(\"open\", onTransportOpen);\n transport.removeListener(\"error\", onerror);\n transport.removeListener(\"close\", onTransportClose);\n this.off(\"close\", onclose);\n this.off(\"upgrading\", onupgrade);\n };\n transport.once(\"open\", onTransportOpen);\n transport.once(\"error\", onerror);\n transport.once(\"close\", onTransportClose);\n this.once(\"close\", onclose);\n this.once(\"upgrading\", onupgrade);\n if (this.upgrades.indexOf(\"webtransport\") !== -1 &&\n name !== \"webtransport\") {\n // favor WebTransport\n this.setTimeoutFn(() => {\n if (!failed) {\n transport.open();\n }\n }, 200);\n }\n else {\n transport.open();\n }\n }\n /**\n * Called when connection is deemed open.\n *\n * @private\n */\n onOpen() {\n this.readyState = \"open\";\n Socket.priorWebsocketSuccess = \"websocket\" === this.transport.name;\n this.emitReserved(\"open\");\n this.flush();\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if (\"open\" === this.readyState && this.opts.upgrade) {\n let i = 0;\n const l = this.upgrades.length;\n for (; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n }\n /**\n * Handles a packet.\n *\n * @private\n */\n onPacket(packet) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n this.emitReserved(\"packet\", packet);\n // Socket is live - any packet counts\n this.emitReserved(\"heartbeat\");\n this.resetPingTimeout();\n switch (packet.type) {\n case \"open\":\n this.onHandshake(JSON.parse(packet.data));\n break;\n case \"ping\":\n this.sendPacket(\"pong\");\n this.emitReserved(\"ping\");\n this.emitReserved(\"pong\");\n break;\n case \"error\":\n const err = new Error(\"server error\");\n // @ts-ignore\n err.code = packet.data;\n this.onError(err);\n break;\n case \"message\":\n this.emitReserved(\"data\", packet.data);\n this.emitReserved(\"message\", packet.data);\n break;\n }\n }\n else {\n }\n }\n /**\n * Called upon handshake completion.\n *\n * @param {Object} data - handshake obj\n * @private\n */\n onHandshake(data) {\n this.emitReserved(\"handshake\", data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.maxPayload = data.maxPayload;\n this.onOpen();\n // In case open handler closes socket\n if (\"closed\" === this.readyState)\n return;\n this.resetPingTimeout();\n }\n /**\n * Sets and resets ping timeout timer based on server pings.\n *\n * @private\n */\n resetPingTimeout() {\n this.clearTimeoutFn(this.pingTimeoutTimer);\n this.pingTimeoutTimer = this.setTimeoutFn(() => {\n this.onClose(\"ping timeout\");\n }, this.pingInterval + this.pingTimeout);\n if (this.opts.autoUnref) {\n this.pingTimeoutTimer.unref();\n }\n }\n /**\n * Called on `drain` event\n *\n * @private\n */\n onDrain() {\n this.writeBuffer.splice(0, this.prevBufferLen);\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n if (0 === this.writeBuffer.length) {\n this.emitReserved(\"drain\");\n }\n else {\n this.flush();\n }\n }\n /**\n * Flush write buffers.\n *\n * @private\n */\n flush() {\n if (\"closed\" !== this.readyState &&\n this.transport.writable &&\n !this.upgrading &&\n this.writeBuffer.length) {\n const packets = this.getWritablePackets();\n this.transport.send(packets);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = packets.length;\n this.emitReserved(\"flush\");\n }\n }\n /**\n * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP\n * long-polling)\n *\n * @private\n */\n getWritablePackets() {\n const shouldCheckPayloadSize = this.maxPayload &&\n this.transport.name === \"polling\" &&\n this.writeBuffer.length > 1;\n if (!shouldCheckPayloadSize) {\n return this.writeBuffer;\n }\n let payloadSize = 1; // first packet type\n for (let i = 0; i < this.writeBuffer.length; i++) {\n const data = this.writeBuffer[i].data;\n if (data) {\n payloadSize += byteLength(data);\n }\n if (i > 0 && payloadSize > this.maxPayload) {\n return this.writeBuffer.slice(0, i);\n }\n payloadSize += 2; // separator + packet type\n }\n return this.writeBuffer;\n }\n /**\n * Sends a message.\n *\n * @param {String} msg - message.\n * @param {Object} options.\n * @param {Function} callback function.\n * @return {Socket} for chaining.\n */\n write(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n send(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n /**\n * Sends a packet.\n *\n * @param {String} type: packet type.\n * @param {String} data.\n * @param {Object} options.\n * @param {Function} fn - callback function.\n * @private\n */\n sendPacket(type, data, options, fn) {\n if (\"function\" === typeof data) {\n fn = data;\n data = undefined;\n }\n if (\"function\" === typeof options) {\n fn = options;\n options = null;\n }\n if (\"closing\" === this.readyState || \"closed\" === this.readyState) {\n return;\n }\n options = options || {};\n options.compress = false !== options.compress;\n const packet = {\n type: type,\n data: data,\n options: options,\n };\n this.emitReserved(\"packetCreate\", packet);\n this.writeBuffer.push(packet);\n if (fn)\n this.once(\"flush\", fn);\n this.flush();\n }\n /**\n * Closes the connection.\n */\n close() {\n const close = () => {\n this.onClose(\"forced close\");\n this.transport.close();\n };\n const cleanupAndClose = () => {\n this.off(\"upgrade\", cleanupAndClose);\n this.off(\"upgradeError\", cleanupAndClose);\n close();\n };\n const waitForUpgrade = () => {\n // wait for upgrade to finish since we can't send packets while pausing a transport\n this.once(\"upgrade\", cleanupAndClose);\n this.once(\"upgradeError\", cleanupAndClose);\n };\n if (\"opening\" === this.readyState || \"open\" === this.readyState) {\n this.readyState = \"closing\";\n if (this.writeBuffer.length) {\n this.once(\"drain\", () => {\n if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n });\n }\n else if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n }\n return this;\n }\n /**\n * Called upon transport error\n *\n * @private\n */\n onError(err) {\n Socket.priorWebsocketSuccess = false;\n this.emitReserved(\"error\", err);\n this.onClose(\"transport error\", err);\n }\n /**\n * Called upon transport close.\n *\n * @private\n */\n onClose(reason, description) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n // clear timers\n this.clearTimeoutFn(this.pingTimeoutTimer);\n // stop event from firing again for transport\n this.transport.removeAllListeners(\"close\");\n // ensure transport won't stay open\n this.transport.close();\n // ignore further transport communication\n this.transport.removeAllListeners();\n if (typeof removeEventListener === \"function\") {\n removeEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n removeEventListener(\"offline\", this.offlineEventListener, false);\n }\n // set ready state\n this.readyState = \"closed\";\n // clear session id\n this.id = null;\n // emit close event\n this.emitReserved(\"close\", reason, description);\n // clean buffers after, so users can still\n // grab the buffers on `close` event\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n }\n }\n /**\n * Filters upgrades, returning only those matching client transports.\n *\n * @param {Array} upgrades - server upgrades\n * @private\n */\n filterUpgrades(upgrades) {\n const filteredUpgrades = [];\n let i = 0;\n const j = upgrades.length;\n for (; i < j; i++) {\n if (~this.transports.indexOf(upgrades[i]))\n filteredUpgrades.push(upgrades[i]);\n }\n return filteredUpgrades;\n }\n}\nSocket.protocol = protocol;\n","import { Socket } from \"./socket.js\";\nexport { Socket };\nexport const protocol = Socket.protocol;\nexport { Transport } from \"./transport.js\";\nexport { transports } from \"./transports/index.js\";\nexport { installTimerFunctions } from \"./util.js\";\nexport { parse } from \"./contrib/parseuri.js\";\nexport { nextTick } from \"./transports/websocket-constructor.js\";\n","const withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nconst isView = (obj) => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj.buffer instanceof ArrayBuffer;\n};\nconst toString = Object.prototype.toString;\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeFile = typeof File === \"function\" ||\n (typeof File !== \"undefined\" &&\n toString.call(File) === \"[object FileConstructor]\");\n/**\n * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File.\n *\n * @private\n */\nexport function isBinary(obj) {\n return ((withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) ||\n (withNativeBlob && obj instanceof Blob) ||\n (withNativeFile && obj instanceof File));\n}\nexport function hasBinary(obj, toJSON) {\n if (!obj || typeof obj !== \"object\") {\n return false;\n }\n if (Array.isArray(obj)) {\n for (let i = 0, l = obj.length; i < l; i++) {\n if (hasBinary(obj[i])) {\n return true;\n }\n }\n return false;\n }\n if (isBinary(obj)) {\n return true;\n }\n if (obj.toJSON &&\n typeof obj.toJSON === \"function\" &&\n arguments.length === 1) {\n return hasBinary(obj.toJSON(), true);\n }\n for (const key in obj) {\n if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {\n return true;\n }\n }\n return false;\n}\n","import { isBinary } from \"./is-binary.js\";\n/**\n * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder.\n *\n * @param {Object} packet - socket.io event packet\n * @return {Object} with deconstructed packet and list of buffers\n * @public\n */\nexport function deconstructPacket(packet) {\n const buffers = [];\n const packetData = packet.data;\n const pack = packet;\n pack.data = _deconstructPacket(packetData, buffers);\n pack.attachments = buffers.length; // number of binary 'attachments'\n return { packet: pack, buffers: buffers };\n}\nfunction _deconstructPacket(data, buffers) {\n if (!data)\n return data;\n if (isBinary(data)) {\n const placeholder = { _placeholder: true, num: buffers.length };\n buffers.push(data);\n return placeholder;\n }\n else if (Array.isArray(data)) {\n const newData = new Array(data.length);\n for (let i = 0; i < data.length; i++) {\n newData[i] = _deconstructPacket(data[i], buffers);\n }\n return newData;\n }\n else if (typeof data === \"object\" && !(data instanceof Date)) {\n const newData = {};\n for (const key in data) {\n if (Object.prototype.hasOwnProperty.call(data, key)) {\n newData[key] = _deconstructPacket(data[key], buffers);\n }\n }\n return newData;\n }\n return data;\n}\n/**\n * Reconstructs a binary packet from its placeholder packet and buffers\n *\n * @param {Object} packet - event packet with placeholders\n * @param {Array} buffers - binary buffers to put in placeholder positions\n * @return {Object} reconstructed packet\n * @public\n */\nexport function reconstructPacket(packet, buffers) {\n packet.data = _reconstructPacket(packet.data, buffers);\n delete packet.attachments; // no longer useful\n return packet;\n}\nfunction _reconstructPacket(data, buffers) {\n if (!data)\n return data;\n if (data && data._placeholder === true) {\n const isIndexValid = typeof data.num === \"number\" &&\n data.num >= 0 &&\n data.num < buffers.length;\n if (isIndexValid) {\n return buffers[data.num]; // appropriate buffer (should be natural order anyway)\n }\n else {\n throw new Error(\"illegal attachments\");\n }\n }\n else if (Array.isArray(data)) {\n for (let i = 0; i < data.length; i++) {\n data[i] = _reconstructPacket(data[i], buffers);\n }\n }\n else if (typeof data === \"object\") {\n for (const key in data) {\n if (Object.prototype.hasOwnProperty.call(data, key)) {\n data[key] = _reconstructPacket(data[key], buffers);\n }\n }\n }\n return data;\n}\n","import { Emitter } from \"@socket.io/component-emitter\";\nimport { deconstructPacket, reconstructPacket } from \"./binary.js\";\nimport { isBinary, hasBinary } from \"./is-binary.js\";\n/**\n * These strings must not be used as event names, as they have a special meaning.\n */\nconst RESERVED_EVENTS = [\n \"connect\",\n \"connect_error\",\n \"disconnect\",\n \"disconnecting\",\n \"newListener\",\n \"removeListener\", // used by the Node.js EventEmitter\n];\n/**\n * Protocol version.\n *\n * @public\n */\nexport const protocol = 5;\nexport var PacketType;\n(function (PacketType) {\n PacketType[PacketType[\"CONNECT\"] = 0] = \"CONNECT\";\n PacketType[PacketType[\"DISCONNECT\"] = 1] = \"DISCONNECT\";\n PacketType[PacketType[\"EVENT\"] = 2] = \"EVENT\";\n PacketType[PacketType[\"ACK\"] = 3] = \"ACK\";\n PacketType[PacketType[\"CONNECT_ERROR\"] = 4] = \"CONNECT_ERROR\";\n PacketType[PacketType[\"BINARY_EVENT\"] = 5] = \"BINARY_EVENT\";\n PacketType[PacketType[\"BINARY_ACK\"] = 6] = \"BINARY_ACK\";\n})(PacketType || (PacketType = {}));\n/**\n * A socket.io Encoder instance\n */\nexport class Encoder {\n /**\n * Encoder constructor\n *\n * @param {function} replacer - custom replacer to pass down to JSON.parse\n */\n constructor(replacer) {\n this.replacer = replacer;\n }\n /**\n * Encode a packet as a single string if non-binary, or as a\n * buffer sequence, depending on packet type.\n *\n * @param {Object} obj - packet object\n */\n encode(obj) {\n if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) {\n if (hasBinary(obj)) {\n return this.encodeAsBinary({\n type: obj.type === PacketType.EVENT\n ? PacketType.BINARY_EVENT\n : PacketType.BINARY_ACK,\n nsp: obj.nsp,\n data: obj.data,\n id: obj.id,\n });\n }\n }\n return [this.encodeAsString(obj)];\n }\n /**\n * Encode packet as string.\n */\n encodeAsString(obj) {\n // first is type\n let str = \"\" + obj.type;\n // attachments if we have them\n if (obj.type === PacketType.BINARY_EVENT ||\n obj.type === PacketType.BINARY_ACK) {\n str += obj.attachments + \"-\";\n }\n // if we have a namespace other than `/`\n // we append it followed by a comma `,`\n if (obj.nsp && \"/\" !== obj.nsp) {\n str += obj.nsp + \",\";\n }\n // immediately followed by the id\n if (null != obj.id) {\n str += obj.id;\n }\n // json data\n if (null != obj.data) {\n str += JSON.stringify(obj.data, this.replacer);\n }\n return str;\n }\n /**\n * Encode packet as 'buffer sequence' by removing blobs, and\n * deconstructing packet into object with placeholders and\n * a list of buffers.\n */\n encodeAsBinary(obj) {\n const deconstruction = deconstructPacket(obj);\n const pack = this.encodeAsString(deconstruction.packet);\n const buffers = deconstruction.buffers;\n buffers.unshift(pack); // add packet info to beginning of data list\n return buffers; // write all the buffers\n }\n}\n// see https://stackoverflow.com/questions/8511281/check-if-a-value-is-an-object-in-javascript\nfunction isObject(value) {\n return Object.prototype.toString.call(value) === \"[object Object]\";\n}\n/**\n * A socket.io Decoder instance\n *\n * @return {Object} decoder\n */\nexport class Decoder extends Emitter {\n /**\n * Decoder constructor\n *\n * @param {function} reviver - custom reviver to pass down to JSON.stringify\n */\n constructor(reviver) {\n super();\n this.reviver = reviver;\n }\n /**\n * Decodes an encoded packet string into packet JSON.\n *\n * @param {String} obj - encoded packet\n */\n add(obj) {\n let packet;\n if (typeof obj === \"string\") {\n if (this.reconstructor) {\n throw new Error(\"got plaintext data when reconstructing a packet\");\n }\n packet = this.decodeString(obj);\n const isBinaryEvent = packet.type === PacketType.BINARY_EVENT;\n if (isBinaryEvent || packet.type === PacketType.BINARY_ACK) {\n packet.type = isBinaryEvent ? PacketType.EVENT : PacketType.ACK;\n // binary packet's json\n this.reconstructor = new BinaryReconstructor(packet);\n // no attachments, labeled binary but no binary data to follow\n if (packet.attachments === 0) {\n super.emitReserved(\"decoded\", packet);\n }\n }\n else {\n // non-binary full packet\n super.emitReserved(\"decoded\", packet);\n }\n }\n else if (isBinary(obj) || obj.base64) {\n // raw binary data\n if (!this.reconstructor) {\n throw new Error(\"got binary data when not reconstructing a packet\");\n }\n else {\n packet = this.reconstructor.takeBinaryData(obj);\n if (packet) {\n // received final buffer\n this.reconstructor = null;\n super.emitReserved(\"decoded\", packet);\n }\n }\n }\n else {\n throw new Error(\"Unknown type: \" + obj);\n }\n }\n /**\n * Decode a packet String (JSON data)\n *\n * @param {String} str\n * @return {Object} packet\n */\n decodeString(str) {\n let i = 0;\n // look up type\n const p = {\n type: Number(str.charAt(0)),\n };\n if (PacketType[p.type] === undefined) {\n throw new Error(\"unknown packet type \" + p.type);\n }\n // look up attachments if type binary\n if (p.type === PacketType.BINARY_EVENT ||\n p.type === PacketType.BINARY_ACK) {\n const start = i + 1;\n while (str.charAt(++i) !== \"-\" && i != str.length) { }\n const buf = str.substring(start, i);\n if (buf != Number(buf) || str.charAt(i) !== \"-\") {\n throw new Error(\"Illegal attachments\");\n }\n p.attachments = Number(buf);\n }\n // look up namespace (if any)\n if (\"/\" === str.charAt(i + 1)) {\n const start = i + 1;\n while (++i) {\n const c = str.charAt(i);\n if (\",\" === c)\n break;\n if (i === str.length)\n break;\n }\n p.nsp = str.substring(start, i);\n }\n else {\n p.nsp = \"/\";\n }\n // look up id\n const next = str.charAt(i + 1);\n if (\"\" !== next && Number(next) == next) {\n const start = i + 1;\n while (++i) {\n const c = str.charAt(i);\n if (null == c || Number(c) != c) {\n --i;\n break;\n }\n if (i === str.length)\n break;\n }\n p.id = Number(str.substring(start, i + 1));\n }\n // look up json data\n if (str.charAt(++i)) {\n const payload = this.tryParse(str.substr(i));\n if (Decoder.isPayloadValid(p.type, payload)) {\n p.data = payload;\n }\n else {\n throw new Error(\"invalid payload\");\n }\n }\n return p;\n }\n tryParse(str) {\n try {\n return JSON.parse(str, this.reviver);\n }\n catch (e) {\n return false;\n }\n }\n static isPayloadValid(type, payload) {\n switch (type) {\n case PacketType.CONNECT:\n return isObject(payload);\n case PacketType.DISCONNECT:\n return payload === undefined;\n case PacketType.CONNECT_ERROR:\n return typeof payload === \"string\" || isObject(payload);\n case PacketType.EVENT:\n case PacketType.BINARY_EVENT:\n return (Array.isArray(payload) &&\n (typeof payload[0] === \"number\" ||\n (typeof payload[0] === \"string\" &&\n RESERVED_EVENTS.indexOf(payload[0]) === -1)));\n case PacketType.ACK:\n case PacketType.BINARY_ACK:\n return Array.isArray(payload);\n }\n }\n /**\n * Deallocates a parser's resources\n */\n destroy() {\n if (this.reconstructor) {\n this.reconstructor.finishedReconstruction();\n this.reconstructor = null;\n }\n }\n}\n/**\n * A manager of a binary event's 'buffer sequence'. Should\n * be constructed whenever a packet of type BINARY_EVENT is\n * decoded.\n *\n * @param {Object} packet\n * @return {BinaryReconstructor} initialized reconstructor\n */\nclass BinaryReconstructor {\n constructor(packet) {\n this.packet = packet;\n this.buffers = [];\n this.reconPack = packet;\n }\n /**\n * Method to be called when binary data received from connection\n * after a BINARY_EVENT packet.\n *\n * @param {Buffer | ArrayBuffer} binData - the raw binary data received\n * @return {null | Object} returns null if more binary data is expected or\n * a reconstructed packet object if all buffers have been received.\n */\n takeBinaryData(binData) {\n this.buffers.push(binData);\n if (this.buffers.length === this.reconPack.attachments) {\n // done with buffer list\n const packet = reconstructPacket(this.reconPack, this.buffers);\n this.finishedReconstruction();\n return packet;\n }\n return null;\n }\n /**\n * Cleans up binary packet reconstruction variables.\n */\n finishedReconstruction() {\n this.reconPack = null;\n this.buffers = [];\n }\n}\n","export function on(obj, ev, fn) {\n obj.on(ev, fn);\n return function subDestroy() {\n obj.off(ev, fn);\n };\n}\n","import { PacketType } from \"socket.io-parser\";\nimport { on } from \"./on.js\";\nimport { Emitter, } from \"@socket.io/component-emitter\";\n/**\n * Internal events.\n * These events can't be emitted by the user.\n */\nconst RESERVED_EVENTS = Object.freeze({\n connect: 1,\n connect_error: 1,\n disconnect: 1,\n disconnecting: 1,\n // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener\n newListener: 1,\n removeListener: 1,\n});\n/**\n * A Socket is the fundamental class for interacting with the server.\n *\n * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(\"connected\");\n * });\n *\n * // send an event to the server\n * socket.emit(\"foo\", \"bar\");\n *\n * socket.on(\"foobar\", () => {\n * // an event was received from the server\n * });\n *\n * // upon disconnection\n * socket.on(\"disconnect\", (reason) => {\n * console.log(`disconnected due to ${reason}`);\n * });\n */\nexport class Socket extends Emitter {\n /**\n * `Socket` constructor.\n */\n constructor(io, nsp, opts) {\n super();\n /**\n * Whether the socket is currently connected to the server.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(socket.connected); // true\n * });\n *\n * socket.on(\"disconnect\", () => {\n * console.log(socket.connected); // false\n * });\n */\n this.connected = false;\n /**\n * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will\n * be transmitted by the server.\n */\n this.recovered = false;\n /**\n * Buffer for packets received before the CONNECT packet\n */\n this.receiveBuffer = [];\n /**\n * Buffer for packets that will be sent once the socket is connected\n */\n this.sendBuffer = [];\n /**\n * The queue of packets to be sent with retry in case of failure.\n *\n * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order.\n * @private\n */\n this._queue = [];\n /**\n * A sequence to generate the ID of the {@link QueuedPacket}.\n * @private\n */\n this._queueSeq = 0;\n this.ids = 0;\n this.acks = {};\n this.flags = {};\n this.io = io;\n this.nsp = nsp;\n if (opts && opts.auth) {\n this.auth = opts.auth;\n }\n this._opts = Object.assign({}, opts);\n if (this.io._autoConnect)\n this.open();\n }\n /**\n * Whether the socket is currently disconnected\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(socket.disconnected); // false\n * });\n *\n * socket.on(\"disconnect\", () => {\n * console.log(socket.disconnected); // true\n * });\n */\n get disconnected() {\n return !this.connected;\n }\n /**\n * Subscribe to open, close and packet events\n *\n * @private\n */\n subEvents() {\n if (this.subs)\n return;\n const io = this.io;\n this.subs = [\n on(io, \"open\", this.onopen.bind(this)),\n on(io, \"packet\", this.onpacket.bind(this)),\n on(io, \"error\", this.onerror.bind(this)),\n on(io, \"close\", this.onclose.bind(this)),\n ];\n }\n /**\n * Whether the Socket will try to reconnect when its Manager connects or reconnects.\n *\n * @example\n * const socket = io();\n *\n * console.log(socket.active); // true\n *\n * socket.on(\"disconnect\", (reason) => {\n * if (reason === \"io server disconnect\") {\n * // the disconnection was initiated by the server, you need to manually reconnect\n * console.log(socket.active); // false\n * }\n * // else the socket will automatically try to reconnect\n * console.log(socket.active); // true\n * });\n */\n get active() {\n return !!this.subs;\n }\n /**\n * \"Opens\" the socket.\n *\n * @example\n * const socket = io({\n * autoConnect: false\n * });\n *\n * socket.connect();\n */\n connect() {\n if (this.connected)\n return this;\n this.subEvents();\n if (!this.io[\"_reconnecting\"])\n this.io.open(); // ensure open\n if (\"open\" === this.io._readyState)\n this.onopen();\n return this;\n }\n /**\n * Alias for {@link connect()}.\n */\n open() {\n return this.connect();\n }\n /**\n * Sends a `message` event.\n *\n * This method mimics the WebSocket.send() method.\n *\n * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send\n *\n * @example\n * socket.send(\"hello\");\n *\n * // this is equivalent to\n * socket.emit(\"message\", \"hello\");\n *\n * @return self\n */\n send(...args) {\n args.unshift(\"message\");\n this.emit.apply(this, args);\n return this;\n }\n /**\n * Override `emit`.\n * If the event is in `events`, it's emitted normally.\n *\n * @example\n * socket.emit(\"hello\", \"world\");\n *\n * // all serializable datastructures are supported (no need to call JSON.stringify)\n * socket.emit(\"hello\", 1, \"2\", { 3: [\"4\"], 5: Uint8Array.from([6]) });\n *\n * // with an acknowledgement from the server\n * socket.emit(\"hello\", \"world\", (val) => {\n * // ...\n * });\n *\n * @return self\n */\n emit(ev, ...args) {\n if (RESERVED_EVENTS.hasOwnProperty(ev)) {\n throw new Error('\"' + ev.toString() + '\" is a reserved event name');\n }\n args.unshift(ev);\n if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) {\n this._addToQueue(args);\n return this;\n }\n const packet = {\n type: PacketType.EVENT,\n data: args,\n };\n packet.options = {};\n packet.options.compress = this.flags.compress !== false;\n // event ack callback\n if (\"function\" === typeof args[args.length - 1]) {\n const id = this.ids++;\n const ack = args.pop();\n this._registerAckCallback(id, ack);\n packet.id = id;\n }\n const isTransportWritable = this.io.engine &&\n this.io.engine.transport &&\n this.io.engine.transport.writable;\n const discardPacket = this.flags.volatile && (!isTransportWritable || !this.connected);\n if (discardPacket) {\n }\n else if (this.connected) {\n this.notifyOutgoingListeners(packet);\n this.packet(packet);\n }\n else {\n this.sendBuffer.push(packet);\n }\n this.flags = {};\n return this;\n }\n /**\n * @private\n */\n _registerAckCallback(id, ack) {\n var _a;\n const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout;\n if (timeout === undefined) {\n this.acks[id] = ack;\n return;\n }\n // @ts-ignore\n const timer = this.io.setTimeoutFn(() => {\n delete this.acks[id];\n for (let i = 0; i < this.sendBuffer.length; i++) {\n if (this.sendBuffer[i].id === id) {\n this.sendBuffer.splice(i, 1);\n }\n }\n ack.call(this, new Error(\"operation has timed out\"));\n }, timeout);\n this.acks[id] = (...args) => {\n // @ts-ignore\n this.io.clearTimeoutFn(timer);\n ack.apply(this, [null, ...args]);\n };\n }\n /**\n * Emits an event and waits for an acknowledgement\n *\n * @example\n * // without timeout\n * const response = await socket.emitWithAck(\"hello\", \"world\");\n *\n * // with a specific timeout\n * try {\n * const response = await socket.timeout(1000).emitWithAck(\"hello\", \"world\");\n * } catch (err) {\n * // the server did not acknowledge the event in the given delay\n * }\n *\n * @return a Promise that will be fulfilled when the server acknowledges the event\n */\n emitWithAck(ev, ...args) {\n // the timeout flag is optional\n const withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined;\n return new Promise((resolve, reject) => {\n args.push((arg1, arg2) => {\n if (withErr) {\n return arg1 ? reject(arg1) : resolve(arg2);\n }\n else {\n return resolve(arg1);\n }\n });\n this.emit(ev, ...args);\n });\n }\n /**\n * Add the packet to the queue.\n * @param args\n * @private\n */\n _addToQueue(args) {\n let ack;\n if (typeof args[args.length - 1] === \"function\") {\n ack = args.pop();\n }\n const packet = {\n id: this._queueSeq++,\n tryCount: 0,\n pending: false,\n args,\n flags: Object.assign({ fromQueue: true }, this.flags),\n };\n args.push((err, ...responseArgs) => {\n if (packet !== this._queue[0]) {\n // the packet has already been acknowledged\n return;\n }\n const hasError = err !== null;\n if (hasError) {\n if (packet.tryCount > this._opts.retries) {\n this._queue.shift();\n if (ack) {\n ack(err);\n }\n }\n }\n else {\n this._queue.shift();\n if (ack) {\n ack(null, ...responseArgs);\n }\n }\n packet.pending = false;\n return this._drainQueue();\n });\n this._queue.push(packet);\n this._drainQueue();\n }\n /**\n * Send the first packet of the queue, and wait for an acknowledgement from the server.\n * @param force - whether to resend a packet that has not been acknowledged yet\n *\n * @private\n */\n _drainQueue(force = false) {\n if (!this.connected || this._queue.length === 0) {\n return;\n }\n const packet = this._queue[0];\n if (packet.pending && !force) {\n return;\n }\n packet.pending = true;\n packet.tryCount++;\n this.flags = packet.flags;\n this.emit.apply(this, packet.args);\n }\n /**\n * Sends a packet.\n *\n * @param packet\n * @private\n */\n packet(packet) {\n packet.nsp = this.nsp;\n this.io._packet(packet);\n }\n /**\n * Called upon engine `open`.\n *\n * @private\n */\n onopen() {\n if (typeof this.auth == \"function\") {\n this.auth((data) => {\n this._sendConnectPacket(data);\n });\n }\n else {\n this._sendConnectPacket(this.auth);\n }\n }\n /**\n * Sends a CONNECT packet to initiate the Socket.IO session.\n *\n * @param data\n * @private\n */\n _sendConnectPacket(data) {\n this.packet({\n type: PacketType.CONNECT,\n data: this._pid\n ? Object.assign({ pid: this._pid, offset: this._lastOffset }, data)\n : data,\n });\n }\n /**\n * Called upon engine or manager `error`.\n *\n * @param err\n * @private\n */\n onerror(err) {\n if (!this.connected) {\n this.emitReserved(\"connect_error\", err);\n }\n }\n /**\n * Called upon engine `close`.\n *\n * @param reason\n * @param description\n * @private\n */\n onclose(reason, description) {\n this.connected = false;\n delete this.id;\n this.emitReserved(\"disconnect\", reason, description);\n }\n /**\n * Called with socket packet.\n *\n * @param packet\n * @private\n */\n onpacket(packet) {\n const sameNamespace = packet.nsp === this.nsp;\n if (!sameNamespace)\n return;\n switch (packet.type) {\n case PacketType.CONNECT:\n if (packet.data && packet.data.sid) {\n this.onconnect(packet.data.sid, packet.data.pid);\n }\n else {\n this.emitReserved(\"connect_error\", new Error(\"It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)\"));\n }\n break;\n case PacketType.EVENT:\n case PacketType.BINARY_EVENT:\n this.onevent(packet);\n break;\n case PacketType.ACK:\n case PacketType.BINARY_ACK:\n this.onack(packet);\n break;\n case PacketType.DISCONNECT:\n this.ondisconnect();\n break;\n case PacketType.CONNECT_ERROR:\n this.destroy();\n const err = new Error(packet.data.message);\n // @ts-ignore\n err.data = packet.data.data;\n this.emitReserved(\"connect_error\", err);\n break;\n }\n }\n /**\n * Called upon a server event.\n *\n * @param packet\n * @private\n */\n onevent(packet) {\n const args = packet.data || [];\n if (null != packet.id) {\n args.push(this.ack(packet.id));\n }\n if (this.connected) {\n this.emitEvent(args);\n }\n else {\n this.receiveBuffer.push(Object.freeze(args));\n }\n }\n emitEvent(args) {\n if (this._anyListeners && this._anyListeners.length) {\n const listeners = this._anyListeners.slice();\n for (const listener of listeners) {\n listener.apply(this, args);\n }\n }\n super.emit.apply(this, args);\n if (this._pid && args.length && typeof args[args.length - 1] === \"string\") {\n this._lastOffset = args[args.length - 1];\n }\n }\n /**\n * Produces an ack callback to emit with an event.\n *\n * @private\n */\n ack(id) {\n const self = this;\n let sent = false;\n return function (...args) {\n // prevent double callbacks\n if (sent)\n return;\n sent = true;\n self.packet({\n type: PacketType.ACK,\n id: id,\n data: args,\n });\n };\n }\n /**\n * Called upon a server acknowlegement.\n *\n * @param packet\n * @private\n */\n onack(packet) {\n const ack = this.acks[packet.id];\n if (\"function\" === typeof ack) {\n ack.apply(this, packet.data);\n delete this.acks[packet.id];\n }\n else {\n }\n }\n /**\n * Called upon server connect.\n *\n * @private\n */\n onconnect(id, pid) {\n this.id = id;\n this.recovered = pid && this._pid === pid;\n this._pid = pid; // defined only if connection state recovery is enabled\n this.connected = true;\n this.emitBuffered();\n this.emitReserved(\"connect\");\n this._drainQueue(true);\n }\n /**\n * Emit buffered events (received and emitted).\n *\n * @private\n */\n emitBuffered() {\n this.receiveBuffer.forEach((args) => this.emitEvent(args));\n this.receiveBuffer = [];\n this.sendBuffer.forEach((packet) => {\n this.notifyOutgoingListeners(packet);\n this.packet(packet);\n });\n this.sendBuffer = [];\n }\n /**\n * Called upon server disconnect.\n *\n * @private\n */\n ondisconnect() {\n this.destroy();\n this.onclose(\"io server disconnect\");\n }\n /**\n * Called upon forced client/server side disconnections,\n * this method ensures the manager stops tracking us and\n * that reconnections don't get triggered for this.\n *\n * @private\n */\n destroy() {\n if (this.subs) {\n // clean subscriptions to avoid reconnections\n this.subs.forEach((subDestroy) => subDestroy());\n this.subs = undefined;\n }\n this.io[\"_destroy\"](this);\n }\n /**\n * Disconnects the socket manually. In that case, the socket will not try to reconnect.\n *\n * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"disconnect\", (reason) => {\n * // console.log(reason); prints \"io client disconnect\"\n * });\n *\n * socket.disconnect();\n *\n * @return self\n */\n disconnect() {\n if (this.connected) {\n this.packet({ type: PacketType.DISCONNECT });\n }\n // remove socket from pool\n this.destroy();\n if (this.connected) {\n // fire events\n this.onclose(\"io client disconnect\");\n }\n return this;\n }\n /**\n * Alias for {@link disconnect()}.\n *\n * @return self\n */\n close() {\n return this.disconnect();\n }\n /**\n * Sets the compress flag.\n *\n * @example\n * socket.compress(false).emit(\"hello\");\n *\n * @param compress - if `true`, compresses the sending data\n * @return self\n */\n compress(compress) {\n this.flags.compress = compress;\n return this;\n }\n /**\n * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not\n * ready to send messages.\n *\n * @example\n * socket.volatile.emit(\"hello\"); // the server may or may not receive it\n *\n * @returns self\n */\n get volatile() {\n this.flags.volatile = true;\n return this;\n }\n /**\n * Sets a modifier for a subsequent event emission that the callback will be called with an error when the\n * given number of milliseconds have elapsed without an acknowledgement from the server:\n *\n * @example\n * socket.timeout(5000).emit(\"my-event\", (err) => {\n * if (err) {\n * // the server did not acknowledge the event in the given delay\n * }\n * });\n *\n * @returns self\n */\n timeout(timeout) {\n this.flags.timeout = timeout;\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback.\n *\n * @example\n * socket.onAny((event, ...args) => {\n * console.log(`got ${event}`);\n * });\n *\n * @param listener\n */\n onAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.push(listener);\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback. The listener is added to the beginning of the listeners array.\n *\n * @example\n * socket.prependAny((event, ...args) => {\n * console.log(`got event ${event}`);\n * });\n *\n * @param listener\n */\n prependAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.unshift(listener);\n return this;\n }\n /**\n * Removes the listener that will be fired when any event is emitted.\n *\n * @example\n * const catchAllListener = (event, ...args) => {\n * console.log(`got event ${event}`);\n * }\n *\n * socket.onAny(catchAllListener);\n *\n * // remove a specific listener\n * socket.offAny(catchAllListener);\n *\n * // or remove all listeners\n * socket.offAny();\n *\n * @param listener\n */\n offAny(listener) {\n if (!this._anyListeners) {\n return this;\n }\n if (listener) {\n const listeners = this._anyListeners;\n for (let i = 0; i < listeners.length; i++) {\n if (listener === listeners[i]) {\n listeners.splice(i, 1);\n return this;\n }\n }\n }\n else {\n this._anyListeners = [];\n }\n return this;\n }\n /**\n * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,\n * e.g. to remove listeners.\n */\n listenersAny() {\n return this._anyListeners || [];\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback.\n *\n * Note: acknowledgements sent to the server are not included.\n *\n * @example\n * socket.onAnyOutgoing((event, ...args) => {\n * console.log(`sent event ${event}`);\n * });\n *\n * @param listener\n */\n onAnyOutgoing(listener) {\n this._anyOutgoingListeners = this._anyOutgoingListeners || [];\n this._anyOutgoingListeners.push(listener);\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback. The listener is added to the beginning of the listeners array.\n *\n * Note: acknowledgements sent to the server are not included.\n *\n * @example\n * socket.prependAnyOutgoing((event, ...args) => {\n * console.log(`sent event ${event}`);\n * });\n *\n * @param listener\n */\n prependAnyOutgoing(listener) {\n this._anyOutgoingListeners = this._anyOutgoingListeners || [];\n this._anyOutgoingListeners.unshift(listener);\n return this;\n }\n /**\n * Removes the listener that will be fired when any event is emitted.\n *\n * @example\n * const catchAllListener = (event, ...args) => {\n * console.log(`sent event ${event}`);\n * }\n *\n * socket.onAnyOutgoing(catchAllListener);\n *\n * // remove a specific listener\n * socket.offAnyOutgoing(catchAllListener);\n *\n * // or remove all listeners\n * socket.offAnyOutgoing();\n *\n * @param [listener] - the catch-all listener (optional)\n */\n offAnyOutgoing(listener) {\n if (!this._anyOutgoingListeners) {\n return this;\n }\n if (listener) {\n const listeners = this._anyOutgoingListeners;\n for (let i = 0; i < listeners.length; i++) {\n if (listener === listeners[i]) {\n listeners.splice(i, 1);\n return this;\n }\n }\n }\n else {\n this._anyOutgoingListeners = [];\n }\n return this;\n }\n /**\n * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,\n * e.g. to remove listeners.\n */\n listenersAnyOutgoing() {\n return this._anyOutgoingListeners || [];\n }\n /**\n * Notify the listeners for each packet sent\n *\n * @param packet\n *\n * @private\n */\n notifyOutgoingListeners(packet) {\n if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) {\n const listeners = this._anyOutgoingListeners.slice();\n for (const listener of listeners) {\n listener.apply(this, packet.data);\n }\n }\n }\n}\n","/**\n * Initialize backoff timer with `opts`.\n *\n * - `min` initial timeout in milliseconds [100]\n * - `max` max timeout [10000]\n * - `jitter` [0]\n * - `factor` [2]\n *\n * @param {Object} opts\n * @api public\n */\nexport function Backoff(opts) {\n opts = opts || {};\n this.ms = opts.min || 100;\n this.max = opts.max || 10000;\n this.factor = opts.factor || 2;\n this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;\n this.attempts = 0;\n}\n/**\n * Return the backoff duration.\n *\n * @return {Number}\n * @api public\n */\nBackoff.prototype.duration = function () {\n var ms = this.ms * Math.pow(this.factor, this.attempts++);\n if (this.jitter) {\n var rand = Math.random();\n var deviation = Math.floor(rand * this.jitter * ms);\n ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;\n }\n return Math.min(ms, this.max) | 0;\n};\n/**\n * Reset the number of attempts.\n *\n * @api public\n */\nBackoff.prototype.reset = function () {\n this.attempts = 0;\n};\n/**\n * Set the minimum duration\n *\n * @api public\n */\nBackoff.prototype.setMin = function (min) {\n this.ms = min;\n};\n/**\n * Set the maximum duration\n *\n * @api public\n */\nBackoff.prototype.setMax = function (max) {\n this.max = max;\n};\n/**\n * Set the jitter\n *\n * @api public\n */\nBackoff.prototype.setJitter = function (jitter) {\n this.jitter = jitter;\n};\n","import { Socket as Engine, installTimerFunctions, nextTick, } from \"engine.io-client\";\nimport { Socket } from \"./socket.js\";\nimport * as parser from \"socket.io-parser\";\nimport { on } from \"./on.js\";\nimport { Backoff } from \"./contrib/backo2.js\";\nimport { Emitter, } from \"@socket.io/component-emitter\";\nexport class Manager extends Emitter {\n constructor(uri, opts) {\n var _a;\n super();\n this.nsps = {};\n this.subs = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n opts.path = opts.path || \"/socket.io\";\n this.opts = opts;\n installTimerFunctions(this, opts);\n this.reconnection(opts.reconnection !== false);\n this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);\n this.reconnectionDelay(opts.reconnectionDelay || 1000);\n this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);\n this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5);\n this.backoff = new Backoff({\n min: this.reconnectionDelay(),\n max: this.reconnectionDelayMax(),\n jitter: this.randomizationFactor(),\n });\n this.timeout(null == opts.timeout ? 20000 : opts.timeout);\n this._readyState = \"closed\";\n this.uri = uri;\n const _parser = opts.parser || parser;\n this.encoder = new _parser.Encoder();\n this.decoder = new _parser.Decoder();\n this._autoConnect = opts.autoConnect !== false;\n if (this._autoConnect)\n this.open();\n }\n reconnection(v) {\n if (!arguments.length)\n return this._reconnection;\n this._reconnection = !!v;\n return this;\n }\n reconnectionAttempts(v) {\n if (v === undefined)\n return this._reconnectionAttempts;\n this._reconnectionAttempts = v;\n return this;\n }\n reconnectionDelay(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelay;\n this._reconnectionDelay = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v);\n return this;\n }\n randomizationFactor(v) {\n var _a;\n if (v === undefined)\n return this._randomizationFactor;\n this._randomizationFactor = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v);\n return this;\n }\n reconnectionDelayMax(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelayMax;\n this._reconnectionDelayMax = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v);\n return this;\n }\n timeout(v) {\n if (!arguments.length)\n return this._timeout;\n this._timeout = v;\n return this;\n }\n /**\n * Starts trying to reconnect if reconnection is enabled and we have not\n * started reconnecting yet\n *\n * @private\n */\n maybeReconnectOnOpen() {\n // Only try to reconnect if it's the first time we're connecting\n if (!this._reconnecting &&\n this._reconnection &&\n this.backoff.attempts === 0) {\n // keeps reconnection from firing twice for the same reconnection loop\n this.reconnect();\n }\n }\n /**\n * Sets the current transport `socket`.\n *\n * @param {Function} fn - optional, callback\n * @return self\n * @public\n */\n open(fn) {\n if (~this._readyState.indexOf(\"open\"))\n return this;\n this.engine = new Engine(this.uri, this.opts);\n const socket = this.engine;\n const self = this;\n this._readyState = \"opening\";\n this.skipReconnect = false;\n // emit `open`\n const openSubDestroy = on(socket, \"open\", function () {\n self.onopen();\n fn && fn();\n });\n const onError = (err) => {\n this.cleanup();\n this._readyState = \"closed\";\n this.emitReserved(\"error\", err);\n if (fn) {\n fn(err);\n }\n else {\n // Only do this if there is no fn to handle the error\n this.maybeReconnectOnOpen();\n }\n };\n // emit `error`\n const errorSub = on(socket, \"error\", onError);\n if (false !== this._timeout) {\n const timeout = this._timeout;\n // set timer\n const timer = this.setTimeoutFn(() => {\n openSubDestroy();\n onError(new Error(\"timeout\"));\n socket.close();\n }, timeout);\n if (this.opts.autoUnref) {\n timer.unref();\n }\n this.subs.push(() => {\n this.clearTimeoutFn(timer);\n });\n }\n this.subs.push(openSubDestroy);\n this.subs.push(errorSub);\n return this;\n }\n /**\n * Alias for open()\n *\n * @return self\n * @public\n */\n connect(fn) {\n return this.open(fn);\n }\n /**\n * Called upon transport open.\n *\n * @private\n */\n onopen() {\n // clear old subs\n this.cleanup();\n // mark as open\n this._readyState = \"open\";\n this.emitReserved(\"open\");\n // add new subs\n const socket = this.engine;\n this.subs.push(on(socket, \"ping\", this.onping.bind(this)), on(socket, \"data\", this.ondata.bind(this)), on(socket, \"error\", this.onerror.bind(this)), on(socket, \"close\", this.onclose.bind(this)), on(this.decoder, \"decoded\", this.ondecoded.bind(this)));\n }\n /**\n * Called upon a ping.\n *\n * @private\n */\n onping() {\n this.emitReserved(\"ping\");\n }\n /**\n * Called with data.\n *\n * @private\n */\n ondata(data) {\n try {\n this.decoder.add(data);\n }\n catch (e) {\n this.onclose(\"parse error\", e);\n }\n }\n /**\n * Called when parser fully decodes a packet.\n *\n * @private\n */\n ondecoded(packet) {\n // the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a \"parse error\"\n nextTick(() => {\n this.emitReserved(\"packet\", packet);\n }, this.setTimeoutFn);\n }\n /**\n * Called upon socket error.\n *\n * @private\n */\n onerror(err) {\n this.emitReserved(\"error\", err);\n }\n /**\n * Creates a new socket for the given `nsp`.\n *\n * @return {Socket}\n * @public\n */\n socket(nsp, opts) {\n let socket = this.nsps[nsp];\n if (!socket) {\n socket = new Socket(this, nsp, opts);\n this.nsps[nsp] = socket;\n }\n else if (this._autoConnect && !socket.active) {\n socket.connect();\n }\n return socket;\n }\n /**\n * Called upon a socket close.\n *\n * @param socket\n * @private\n */\n _destroy(socket) {\n const nsps = Object.keys(this.nsps);\n for (const nsp of nsps) {\n const socket = this.nsps[nsp];\n if (socket.active) {\n return;\n }\n }\n this._close();\n }\n /**\n * Writes a packet.\n *\n * @param packet\n * @private\n */\n _packet(packet) {\n const encodedPackets = this.encoder.encode(packet);\n for (let i = 0; i < encodedPackets.length; i++) {\n this.engine.write(encodedPackets[i], packet.options);\n }\n }\n /**\n * Clean up transport subscriptions and packet buffer.\n *\n * @private\n */\n cleanup() {\n this.subs.forEach((subDestroy) => subDestroy());\n this.subs.length = 0;\n this.decoder.destroy();\n }\n /**\n * Close the current socket.\n *\n * @private\n */\n _close() {\n this.skipReconnect = true;\n this._reconnecting = false;\n this.onclose(\"forced close\");\n if (this.engine)\n this.engine.close();\n }\n /**\n * Alias for close()\n *\n * @private\n */\n disconnect() {\n return this._close();\n }\n /**\n * Called upon engine close.\n *\n * @private\n */\n onclose(reason, description) {\n this.cleanup();\n this.backoff.reset();\n this._readyState = \"closed\";\n this.emitReserved(\"close\", reason, description);\n if (this._reconnection && !this.skipReconnect) {\n this.reconnect();\n }\n }\n /**\n * Attempt a reconnection.\n *\n * @private\n */\n reconnect() {\n if (this._reconnecting || this.skipReconnect)\n return this;\n const self = this;\n if (this.backoff.attempts >= this._reconnectionAttempts) {\n this.backoff.reset();\n this.emitReserved(\"reconnect_failed\");\n this._reconnecting = false;\n }\n else {\n const delay = this.backoff.duration();\n this._reconnecting = true;\n const timer = this.setTimeoutFn(() => {\n if (self.skipReconnect)\n return;\n this.emitReserved(\"reconnect_attempt\", self.backoff.attempts);\n // check again for the case socket closed in above events\n if (self.skipReconnect)\n return;\n self.open((err) => {\n if (err) {\n self._reconnecting = false;\n self.reconnect();\n this.emitReserved(\"reconnect_error\", err);\n }\n else {\n self.onreconnect();\n }\n });\n }, delay);\n if (this.opts.autoUnref) {\n timer.unref();\n }\n this.subs.push(() => {\n this.clearTimeoutFn(timer);\n });\n }\n }\n /**\n * Called upon successful reconnect.\n *\n * @private\n */\n onreconnect() {\n const attempt = this.backoff.attempts;\n this._reconnecting = false;\n this.backoff.reset();\n this.emitReserved(\"reconnect\", attempt);\n }\n}\n","import { url } from \"./url.js\";\nimport { Manager } from \"./manager.js\";\nimport { Socket } from \"./socket.js\";\n/**\n * Managers cache.\n */\nconst cache = {};\nfunction lookup(uri, opts) {\n if (typeof uri === \"object\") {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n const parsed = url(uri, opts.path || \"/socket.io\");\n const source = parsed.source;\n const id = parsed.id;\n const path = parsed.path;\n const sameNamespace = cache[id] && path in cache[id][\"nsps\"];\n const newConnection = opts.forceNew ||\n opts[\"force new connection\"] ||\n false === opts.multiplex ||\n sameNamespace;\n let io;\n if (newConnection) {\n io = new Manager(source, opts);\n }\n else {\n if (!cache[id]) {\n cache[id] = new Manager(source, opts);\n }\n io = cache[id];\n }\n if (parsed.query && !opts.query) {\n opts.query = parsed.queryKey;\n }\n return io.socket(parsed.path, opts);\n}\n// so that \"lookup\" can be used both as a function (e.g. `io(...)`) and as a\n// namespace (e.g. `io.connect(...)`), for backward compatibility\nObject.assign(lookup, {\n Manager,\n Socket,\n io: lookup,\n connect: lookup,\n});\n/**\n * Protocol version.\n *\n * @public\n */\nexport { protocol } from \"socket.io-parser\";\n/**\n * Expose constructors for standalone build.\n *\n * @public\n */\nexport { Manager, Socket, lookup as io, lookup as connect, lookup as default, };\n","import { parse } from \"engine.io-client\";\n/**\n * URL parser.\n *\n * @param uri - url\n * @param path - the request path of the connection\n * @param loc - An object meant to mimic window.location.\n * Defaults to window.location.\n * @public\n */\nexport function url(uri, path = \"\", loc) {\n let obj = uri;\n // default to window.location\n loc = loc || (typeof location !== \"undefined\" && location);\n if (null == uri)\n uri = loc.protocol + \"//\" + loc.host;\n // relative path support\n if (typeof uri === \"string\") {\n if (\"/\" === uri.charAt(0)) {\n if (\"/\" === uri.charAt(1)) {\n uri = loc.protocol + uri;\n }\n else {\n uri = loc.host + uri;\n }\n }\n if (!/^(https?|wss?):\\/\\//.test(uri)) {\n if (\"undefined\" !== typeof loc) {\n uri = loc.protocol + \"//\" + uri;\n }\n else {\n uri = \"https://\" + uri;\n }\n }\n // parse\n obj = parse(uri);\n }\n // make sure we treat `localhost:80` and `localhost` equally\n if (!obj.port) {\n if (/^(http|ws)$/.test(obj.protocol)) {\n obj.port = \"80\";\n }\n else if (/^(http|ws)s$/.test(obj.protocol)) {\n obj.port = \"443\";\n }\n }\n obj.path = obj.path || \"/\";\n const ipv6 = obj.host.indexOf(\":\") !== -1;\n const host = ipv6 ? \"[\" + obj.host + \"]\" : obj.host;\n // define unique id\n obj.id = obj.protocol + \"://\" + host + \":\" + obj.port + path;\n // define href\n obj.href =\n obj.protocol +\n \"://\" +\n host +\n (loc && loc.port === 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i=this._view.getInt32(this._offset)*Math.pow(2,32),o=this._view.getUint32(this._offset+4),this._offset+=8,i+o;case 212:return r=this._view.getInt8(this._offset),this._offset+=1,0===r?void(this._offset+=1):[r,this._bin(1)];case 213:return r=this._view.getInt8(this._offset),this._offset+=1,[r,this._bin(2)];case 214:return r=this._view.getInt8(this._offset),this._offset+=1,[r,this._bin(4)];case 215:return r=this._view.getInt8(this._offset),this._offset+=1,0===r?(i=this._view.getInt32(this._offset)*Math.pow(2,32),o=this._view.getUint32(this._offset+4),this._offset+=8,new Date(i+o)):[r,this._bin(8)];case 216:return r=this._view.getInt8(this._offset),this._offset+=1,[r,this._bin(16)];case 217:return n=this._view.getUint8(this._offset),this._offset+=1,this._str(n);case 218:return n=this._view.getUint16(this._offset),this._offset+=2,this._str(n);case 219:return n=this._view.getUint32(this._offset),this._offset+=4,this._str(n);case 220:return 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n.fn=e,this.on(t,n),this},e.prototype.off=e.prototype.removeListener=e.prototype.removeAllListeners=e.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var n,r=this._callbacks["$"+t];if(!r)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var i=0;i=Ut.CONNECT&&t.type<=Ut.CONNECT_ERROR))throw new Error("invalid packet type");if(!Bt(t.nsp))throw new Error("invalid namespace");if(!function(t){switch(t.type){case Ut.CONNECT:return void 0===t.data||qt(t.data);case Ut.DISCONNECT:return void 0===t.data;case Ut.CONNECT_ERROR:return Bt(t.data)||qt(t.data);default:return Array.isArray(t.data)}}(t))throw new Error("invalid payload");if(!(void 0===t.id||xt(t.id)))throw new Error("invalid packet id")},jt.prototype.destroy=function(){};var Dt=_t.Encoder=Pt,Nt=_t.Decoder=jt,Mt=t({__proto__:null,default:_t,protocol:Lt,get PacketType(){return Ct},Encoder:Dt,Decoder:Nt},[_t]);function It(t,e,n){return t.on(e,n),function(){t.off(e,n)}}var Ft=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1}),Ht=function(t){s(r,t);var e=p(r);function r(t,i,s){var a;return n(this,r),(a=e.call(this)).connected=!1,a.recovered=!1,a.receiveBuffer=[],a.sendBuffer=[],a._queue=[],a._queueSeq=0,a.ids=0,a.acks={},a.flags={},a.io=t,a.nsp=i,s&&s.auth&&(a.auth=s.auth),a._opts=o({},s),a.io._autoConnect&&a.open(),a}return i(r,[{key:"disconnected",get:function(){return!this.connected}},{key:"subEvents",value:function(){if(!this.subs){var t=this.io;this.subs=[It(t,"open",this.onopen.bind(this)),It(t,"packet",this.onpacket.bind(this)),It(t,"error",this.onerror.bind(this)),It(t,"close",this.onclose.bind(this))]}}},{key:"active",get:function(){return!!this.subs}},{key:"connect",value:function(){return this.connected||(this.subEvents(),this.io._reconnecting||this.io.open(),"open"===this.io._readyState&&this.onopen()),this}},{key:"open",value:function(){return this.connect()}},{key:"send",value:function(){for(var t=arguments.length,e=new Array(t),n=0;n1?e-1:0),r=1;r1?n-1:0),i=1;in._opts.retries&&(n._queue.shift(),e&&e(t));else if(n._queue.shift(),e){for(var i=arguments.length,o=new Array(i>1?i-1:0),s=1;s0&&void 0!==arguments[0]&&arguments[0];if(this.connected&&0!==this._queue.length){var e=this._queue[0];e.pending&&!t||(e.pending=!0,e.tryCount++,this.flags=e.flags,this.emit.apply(this,e.args))}}},{key:"packet",value:function(t){t.nsp=this.nsp,this.io._packet(t)}},{key:"onopen",value:function(){var t=this;"function"==typeof this.auth?this.auth((function(e){t._sendConnectPacket(e)})):this._sendConnectPacket(this.auth)}},{key:"_sendConnectPacket",value:function(t){this.packet({type:Ct.CONNECT,data:this._pid?o({pid:this._pid,offset:this._lastOffset},t):t})}},{key:"onerror",value:function(t){this.connected||this.emitReserved("connect_error",t)}},{key:"onclose",value:function(t,e){this.connected=!1,delete this.id,this.emitReserved("disconnect",t,e)}},{key:"onpacket",value:function(t){if(t.nsp===this.nsp)switch(t.type){case Ct.CONNECT:t.data&&t.data.sid?this.onconnect(t.data.sid,t.data.pid):this.emitReserved("connect_error",new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)"));break;case Ct.EVENT:case Ct.BINARY_EVENT:this.onevent(t);break;case Ct.ACK:case Ct.BINARY_ACK:this.onack(t);break;case Ct.DISCONNECT:this.ondisconnect();break;case Ct.CONNECT_ERROR:this.destroy();var e=new Error(t.data.message);e.data=t.data.data,this.emitReserved("connect_error",e)}}},{key:"onevent",value:function(t){var e=t.data||[];null!=t.id&&e.push(this.ack(t.id)),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}},{key:"emitEvent",value:function(t){if(this._anyListeners&&this._anyListeners.length){var e,n=v(this._anyListeners.slice());try{for(n.s();!(e=n.n()).done;){e.value.apply(this,t)}}catch(t){n.e(t)}finally{n.f()}}d(a(r.prototype),"emit",this).apply(this,t),this._pid&&t.length&&"string"==typeof t[t.length-1]&&(this._lastOffset=t[t.length-1])}},{key:"ack",value:function(t){var e=this,n=!1;return function(){if(!n){n=!0;for(var r=arguments.length,i=new Array(r),o=0;o0&&t.jitter<=1?t.jitter:0,this.attempts=0}$t.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),n=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-n:t+n}return 0|Math.min(t,this.max)},$t.prototype.reset=function(){this.attempts=0},$t.prototype.setMin=function(t){this.ms=t},$t.prototype.setMax=function(t){this.max=t},$t.prototype.setJitter=function(t){this.jitter=t};var Vt=function(t){s(o,t);var r=p(o);function o(t,i){var s,a;n(this,o),(s=r.call(this)).nsps={},s.subs=[],t&&"object"===e(t)&&(i=t,t=void 0),(i=i||{}).path=i.path||"/socket.io",s.opts=i,V(l(s),i),s.reconnection(!1!==i.reconnection),s.reconnectionAttempts(i.reconnectionAttempts||1/0),s.reconnectionDelay(i.reconnectionDelay||1e3),s.reconnectionDelayMax(i.reconnectionDelayMax||5e3),s.randomizationFactor(null!==(a=i.randomizationFactor)&&void 0!==a?a:.5),s.backoff=new $t({min:s.reconnectionDelay(),max:s.reconnectionDelayMax(),jitter:s.randomizationFactor()}),s.timeout(null==i.timeout?2e4:i.timeout),s._readyState="closed",s.uri=t;var u=i.parser||Mt;return s.encoder=new u.Encoder,s.decoder=new u.Decoder,s._autoConnect=!1!==i.autoConnect,s._autoConnect&&s.open(),s}return i(o,[{key:"reconnection",value:function(t){return arguments.length?(this._reconnection=!!t,this):this._reconnection}},{key:"reconnectionAttempts",value:function(t){return void 0===t?this._reconnectionAttempts:(this._reconnectionAttempts=t,this)}},{key:"reconnectionDelay",value:function(t){var e;return void 0===t?this._reconnectionDelay:(this._reconnectionDelay=t,null===(e=this.backoff)||void 0===e||e.setMin(t),this)}},{key:"randomizationFactor",value:function(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}},{key:"reconnectionDelayMax",value:function(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}},{key:"timeout",value:function(t){return arguments.length?(this._timeout=t,this):this._timeout}},{key:"maybeReconnectOnOpen",value:function(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}},{key:"open",value:function(t){var e=this;if(~this._readyState.indexOf("open"))return this;this.engine=new mt(this.uri,this.opts);var n=this.engine,r=this;this._readyState="opening",this.skipReconnect=!1;var i=It(n,"open",(function(){r.onopen(),t&&t()})),o=function(n){e.cleanup(),e._readyState="closed",e.emitReserved("error",n),t?t(n):e.maybeReconnectOnOpen()},s=It(n,"error",o);if(!1!==this._timeout){var a=this._timeout,u=this.setTimeoutFn((function(){i(),o(new Error("timeout")),n.close()}),a);this.opts.autoUnref&&u.unref(),this.subs.push((function(){e.clearTimeoutFn(u)}))}return this.subs.push(i),this.subs.push(s),this}},{key:"connect",value:function(t){return this.open(t)}},{key:"onopen",value:function(){this.cleanup(),this._readyState="open",this.emitReserved("open");var t=this.engine;this.subs.push(It(t,"ping",this.onping.bind(this)),It(t,"data",this.ondata.bind(this)),It(t,"error",this.onerror.bind(this)),It(t,"close",this.onclose.bind(this)),It(this.decoder,"decoded",this.ondecoded.bind(this)))}},{key:"onping",value:function(){this.emitReserved("ping")}},{key:"ondata",value:function(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}}},{key:"ondecoded",value:function(t){var e=this;ct((function(){e.emitReserved("packet",t)}),this.setTimeoutFn)}},{key:"onerror",value:function(t){this.emitReserved("error",t)}},{key:"socket",value:function(t,e){var n=this.nsps[t];return n?this._autoConnect&&!n.active&&n.connect():(n=new Ht(this,t,e),this.nsps[t]=n),n}},{key:"_destroy",value:function(t){for(var e=0,n=Object.keys(this.nsps);e=this._reconnectionAttempts)this.backoff.reset(),this.emitReserved("reconnect_failed"),this._reconnecting=!1;else{var n=this.backoff.duration();this._reconnecting=!0;var r=this.setTimeoutFn((function(){e.skipReconnect||(t.emitReserved("reconnect_attempt",e.backoff.attempts),e.skipReconnect||e.open((function(n){n?(e._reconnecting=!1,e.reconnect(),t.emitReserved("reconnect_error",n)):e.onreconnect()})))}),n);this.opts.autoUnref&&r.unref(),this.subs.push((function(){t.clearTimeoutFn(r)}))}}},{key:"onreconnect",value:function(){var t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),this.emitReserved("reconnect",t)}}]),o}(M),Wt={};function zt(t,n){"object"===e(t)&&(n=t,t=void 0);var r,i=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"",n=arguments.length>2?arguments[2]:void 0,r=t;n=n||"undefined"!=typeof location&&location,null==t&&(t=n.protocol+"//"+n.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?n.protocol+t:n.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==n?n.protocol+"//"+t:"https://"+t),r=gt(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";var i=-1!==r.host.indexOf(":")?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+i+":"+r.port+e,r.href=r.protocol+"://"+i+(n&&n.port===r.port?"":":"+r.port),r}(t,(n=n||{}).path||"/socket.io"),o=i.source,s=i.id,a=i.path,u=Wt[s]&&a in Wt[s].nsps;return n.forceNew||n["force new connection"]||!1===n.multiplex||u?r=new Vt(o,n):(Wt[s]||(Wt[s]=new Vt(o,n)),r=Wt[s]),i.query&&!n.query&&(n.query=i.queryKey),r.socket(i.path,n)}return o(zt,{Manager:Vt,Socket:Ht,io:zt,connect:zt}),zt})); -//# sourceMappingURL=socket.io.msgpack.min.js.map diff --git a/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.msgpack.min.js.map b/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.msgpack.min.js.map deleted file mode 100644 index 0244c60c..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/dist/socket.io.msgpack.min.js.map +++ /dev/null @@ -1 +0,0 @@ -{"version":3,"file":"socket.io.msgpack.min.js","sources":["../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/commons.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/encodePacket.browser.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/contrib/base64-arraybuffer.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/index.js","../node_modules/engine.io-client/node_modules/engine.io-parser/build/esm/decodePacket.browser.js","../node_modules/@socket.io/component-emitter/index.mjs","../node_modules/engine.io-client/build/esm/globalThis.browser.js","../node_modules/engine.io-client/build/esm/util.js","../node_modules/engine.io-client/build/esm/transport.js","../node_modules/engine.io-client/build/esm/contrib/yeast.js","../node_modules/engine.io-client/build/esm/contrib/parseqs.js","../node_modules/engine.io-client/build/esm/contrib/has-cors.js","../node_modules/engine.io-client/build/esm/transports/xmlhttprequest.browser.js","../node_modules/engine.io-client/build/esm/transports/polling.js","../node_modules/engine.io-client/build/esm/transports/websocket-constructor.browser.js","../node_modules/engine.io-client/build/esm/transports/websocket.js","../node_modules/engine.io-client/build/esm/transports/webtransport.js","../node_modules/engine.io-client/build/esm/transports/index.js","../node_modules/engine.io-client/build/esm/contrib/parseuri.js","../node_modules/engine.io-client/build/esm/socket.js","../node_modules/engine.io-client/build/esm/index.js","../node_modules/notepack.io/browser/encode.js","../node_modules/notepack.io/browser/decode.js","../node_modules/notepack.io/lib/index.js","../node_modules/component-emitter/index.js","../node_modules/socket.io-msgpack-parser/index.js","../build/esm/on.js","../build/esm/socket.js","../build/esm/contrib/backo2.js","../build/esm/manager.js","../build/esm/index.js","../build/esm/url.js"],"sourcesContent":["const PACKET_TYPES = Object.create(null); // no Map = no polyfill\nPACKET_TYPES[\"open\"] = \"0\";\nPACKET_TYPES[\"close\"] = \"1\";\nPACKET_TYPES[\"ping\"] = \"2\";\nPACKET_TYPES[\"pong\"] = \"3\";\nPACKET_TYPES[\"message\"] = \"4\";\nPACKET_TYPES[\"upgrade\"] = \"5\";\nPACKET_TYPES[\"noop\"] = \"6\";\nconst PACKET_TYPES_REVERSE = Object.create(null);\nObject.keys(PACKET_TYPES).forEach(key => {\n PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;\n});\nconst ERROR_PACKET = { type: \"error\", data: \"parser error\" };\nexport { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET };\n","import { PACKET_TYPES } from \"./commons.js\";\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n Object.prototype.toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\n// ArrayBuffer.isView method is not defined in IE10\nconst isView = obj => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj && obj.buffer instanceof ArrayBuffer;\n};\nconst encodePacket = ({ type, data }, supportsBinary, callback) => {\n if (withNativeBlob && data instanceof Blob) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(data, callback);\n }\n }\n else if (withNativeArrayBuffer &&\n (data instanceof ArrayBuffer || isView(data))) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(new Blob([data]), callback);\n }\n }\n // plain string\n return callback(PACKET_TYPES[type] + (data || \"\"));\n};\nconst encodeBlobAsBase64 = (data, callback) => {\n const fileReader = new FileReader();\n fileReader.onload = function () {\n const content = fileReader.result.split(\",\")[1];\n callback(\"b\" + (content || \"\"));\n };\n return fileReader.readAsDataURL(data);\n};\nfunction toArray(data) {\n if (data instanceof Uint8Array) {\n return data;\n }\n else if (data instanceof ArrayBuffer) {\n return new Uint8Array(data);\n }\n else {\n return new Uint8Array(data.buffer, data.byteOffset, data.byteLength);\n }\n}\nlet TEXT_ENCODER;\nexport function encodePacketToBinary(packet, callback) {\n if (withNativeBlob && packet.data instanceof Blob) {\n return packet.data\n .arrayBuffer()\n .then(toArray)\n .then(callback);\n }\n else if (withNativeArrayBuffer &&\n (packet.data instanceof ArrayBuffer || isView(packet.data))) {\n return callback(toArray(packet.data));\n }\n encodePacket(packet, false, encoded => {\n if (!TEXT_ENCODER) {\n TEXT_ENCODER = new TextEncoder();\n }\n callback(TEXT_ENCODER.encode(encoded));\n });\n}\nexport { encodePacket };\n","// imported from https://github.com/socketio/base64-arraybuffer\nconst chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\n// Use a lookup table to find the index.\nconst lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256);\nfor (let i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n}\nexport const encode = (arraybuffer) => {\n let bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = '';\n for (i = 0; i < len; i += 3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n if (len % 3 === 2) {\n base64 = base64.substring(0, base64.length - 1) + '=';\n }\n else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + '==';\n }\n return base64;\n};\nexport const decode = (base64) => {\n let bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;\n if (base64[base64.length - 1] === '=') {\n bufferLength--;\n if (base64[base64.length - 2] === '=') {\n bufferLength--;\n }\n }\n const arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);\n for (i = 0; i < len; i += 4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i + 1)];\n encoded3 = lookup[base64.charCodeAt(i + 2)];\n encoded4 = lookup[base64.charCodeAt(i + 3)];\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n return arraybuffer;\n};\n","import { encodePacket, encodePacketToBinary } from \"./encodePacket.js\";\nimport { decodePacket } from \"./decodePacket.js\";\nimport { ERROR_PACKET } from \"./commons.js\";\nconst SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text\nconst encodePayload = (packets, callback) => {\n // some packets may be added to the array while encoding, so the initial length must be saved\n const length = packets.length;\n const encodedPackets = new Array(length);\n let count = 0;\n packets.forEach((packet, i) => {\n // force base64 encoding for binary packets\n encodePacket(packet, false, encodedPacket => {\n encodedPackets[i] = encodedPacket;\n if (++count === length) {\n callback(encodedPackets.join(SEPARATOR));\n }\n });\n });\n};\nconst decodePayload = (encodedPayload, binaryType) => {\n const encodedPackets = encodedPayload.split(SEPARATOR);\n const packets = [];\n for (let i = 0; i < encodedPackets.length; i++) {\n const decodedPacket = decodePacket(encodedPackets[i], binaryType);\n packets.push(decodedPacket);\n if (decodedPacket.type === \"error\") {\n break;\n }\n }\n return packets;\n};\nexport function createPacketEncoderStream() {\n return new TransformStream({\n transform(packet, controller) {\n encodePacketToBinary(packet, encodedPacket => {\n const payloadLength = encodedPacket.length;\n let header;\n // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length\n if (payloadLength < 126) {\n header = new Uint8Array(1);\n new DataView(header.buffer).setUint8(0, payloadLength);\n }\n else if (payloadLength < 65536) {\n header = new Uint8Array(3);\n const view = new DataView(header.buffer);\n view.setUint8(0, 126);\n view.setUint16(1, payloadLength);\n }\n else {\n header = new Uint8Array(9);\n const view = new DataView(header.buffer);\n view.setUint8(0, 127);\n view.setBigUint64(1, BigInt(payloadLength));\n }\n // first bit indicates whether the payload is plain text (0) or binary (1)\n if (packet.data && typeof packet.data !== \"string\") {\n header[0] |= 0x80;\n }\n controller.enqueue(header);\n controller.enqueue(encodedPacket);\n });\n }\n });\n}\nlet TEXT_DECODER;\nfunction totalLength(chunks) {\n return chunks.reduce((acc, chunk) => acc + chunk.length, 0);\n}\nfunction concatChunks(chunks, size) {\n if (chunks[0].length === size) {\n return chunks.shift();\n }\n const buffer = new Uint8Array(size);\n let j = 0;\n for (let i = 0; i < size; i++) {\n buffer[i] = chunks[0][j++];\n if (j === chunks[0].length) {\n chunks.shift();\n j = 0;\n }\n }\n if (chunks.length && j < chunks[0].length) {\n chunks[0] = chunks[0].slice(j);\n }\n return buffer;\n}\nexport function createPacketDecoderStream(maxPayload, binaryType) {\n if (!TEXT_DECODER) {\n TEXT_DECODER = new TextDecoder();\n }\n const chunks = [];\n let state = 0 /* READ_HEADER */;\n let expectedLength = -1;\n let isBinary = false;\n return new TransformStream({\n transform(chunk, controller) {\n chunks.push(chunk);\n while (true) {\n if (state === 0 /* READ_HEADER */) {\n if (totalLength(chunks) < 1) {\n break;\n }\n const header = concatChunks(chunks, 1);\n isBinary = (header[0] & 0x80) === 0x80;\n expectedLength = header[0] & 0x7f;\n if (expectedLength < 126) {\n state = 3 /* READ_PAYLOAD */;\n }\n else if (expectedLength === 126) {\n state = 1 /* READ_EXTENDED_LENGTH_16 */;\n }\n else {\n state = 2 /* READ_EXTENDED_LENGTH_64 */;\n }\n }\n else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) {\n if (totalLength(chunks) < 2) {\n break;\n }\n const headerArray = concatChunks(chunks, 2);\n expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0);\n state = 3 /* READ_PAYLOAD */;\n }\n else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) {\n if (totalLength(chunks) < 8) {\n break;\n }\n const headerArray = concatChunks(chunks, 8);\n const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length);\n const n = view.getUint32(0);\n if (n > Math.pow(2, 53 - 32) - 1) {\n // the maximum safe integer in JavaScript is 2^53 - 1\n controller.enqueue(ERROR_PACKET);\n break;\n }\n expectedLength = n * Math.pow(2, 32) + view.getUint32(4);\n state = 3 /* READ_PAYLOAD */;\n }\n else {\n if (totalLength(chunks) < expectedLength) {\n break;\n }\n const data = concatChunks(chunks, expectedLength);\n controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType));\n state = 0 /* READ_HEADER */;\n }\n if (expectedLength === 0 || expectedLength > maxPayload) {\n controller.enqueue(ERROR_PACKET);\n break;\n }\n }\n }\n });\n}\nexport const protocol = 4;\nexport { encodePacket, encodePayload, decodePacket, decodePayload };\n","import { ERROR_PACKET, PACKET_TYPES_REVERSE } from \"./commons.js\";\nimport { decode } from \"./contrib/base64-arraybuffer.js\";\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\nexport const decodePacket = (encodedPacket, binaryType) => {\n if (typeof encodedPacket !== \"string\") {\n return {\n type: \"message\",\n data: mapBinary(encodedPacket, binaryType)\n };\n }\n const type = encodedPacket.charAt(0);\n if (type === \"b\") {\n return {\n type: \"message\",\n data: decodeBase64Packet(encodedPacket.substring(1), binaryType)\n };\n }\n const packetType = PACKET_TYPES_REVERSE[type];\n if (!packetType) {\n return ERROR_PACKET;\n }\n return encodedPacket.length > 1\n ? {\n type: PACKET_TYPES_REVERSE[type],\n data: encodedPacket.substring(1)\n }\n : {\n type: PACKET_TYPES_REVERSE[type]\n };\n};\nconst decodeBase64Packet = (data, binaryType) => {\n if (withNativeArrayBuffer) {\n const decoded = decode(data);\n return mapBinary(decoded, binaryType);\n }\n else {\n return { base64: true, data }; // fallback for old browsers\n }\n};\nconst mapBinary = (data, binaryType) => {\n switch (binaryType) {\n case \"blob\":\n if (data instanceof Blob) {\n // from WebSocket + binaryType \"blob\"\n return data;\n }\n else {\n // from HTTP long-polling or WebTransport\n return new Blob([data]);\n }\n case \"arraybuffer\":\n default:\n if (data instanceof ArrayBuffer) {\n // from HTTP long-polling (base64) or WebSocket + binaryType \"arraybuffer\"\n return data;\n }\n else {\n // from WebTransport (Uint8Array)\n return data.buffer;\n }\n }\n};\n","/**\n * Initialize a new `Emitter`.\n *\n * @api public\n */\n\nexport function Emitter(obj) {\n if (obj) return mixin(obj);\n}\n\n/**\n * Mixin the emitter properties.\n *\n * @param {Object} obj\n * @return {Object}\n * @api private\n */\n\nfunction mixin(obj) {\n for (var key in Emitter.prototype) {\n obj[key] = Emitter.prototype[key];\n }\n return obj;\n}\n\n/**\n * Listen on the given `event` with `fn`.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.on =\nEmitter.prototype.addEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\n .push(fn);\n return this;\n};\n\n/**\n * Adds an `event` listener that will be invoked a single\n * time then automatically removed.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.once = function(event, fn){\n function on() {\n this.off(event, on);\n fn.apply(this, arguments);\n }\n\n on.fn = fn;\n this.on(event, on);\n return this;\n};\n\n/**\n * Remove the given callback for `event` or all\n * registered callbacks.\n *\n * @param {String} event\n * @param {Function} fn\n * @return {Emitter}\n * @api public\n */\n\nEmitter.prototype.off =\nEmitter.prototype.removeListener =\nEmitter.prototype.removeAllListeners =\nEmitter.prototype.removeEventListener = function(event, fn){\n this._callbacks = this._callbacks || {};\n\n // all\n if (0 == arguments.length) {\n this._callbacks = {};\n return this;\n }\n\n // specific event\n var callbacks = this._callbacks['$' + event];\n if (!callbacks) return this;\n\n // remove all handlers\n if (1 == arguments.length) {\n delete this._callbacks['$' + event];\n return this;\n }\n\n // remove specific handler\n var cb;\n for (var i = 0; i < callbacks.length; i++) {\n cb = callbacks[i];\n if (cb === fn || cb.fn === fn) {\n callbacks.splice(i, 1);\n break;\n }\n }\n\n // Remove event specific arrays for event types that no\n // one is subscribed for to avoid memory leak.\n if (callbacks.length === 0) {\n delete this._callbacks['$' + event];\n }\n\n return this;\n};\n\n/**\n * Emit `event` with the given args.\n *\n * @param {String} event\n * @param {Mixed} ...\n * @return {Emitter}\n */\n\nEmitter.prototype.emit = function(event){\n this._callbacks = this._callbacks || {};\n\n var args = new Array(arguments.length - 1)\n , callbacks = this._callbacks['$' + event];\n\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n\n if (callbacks) {\n callbacks = callbacks.slice(0);\n for (var i = 0, len = callbacks.length; i < len; ++i) {\n callbacks[i].apply(this, args);\n }\n }\n\n return this;\n};\n\n// alias used for reserved events (protected method)\nEmitter.prototype.emitReserved = Emitter.prototype.emit;\n\n/**\n * Return array of callbacks for `event`.\n *\n * @param {String} event\n * @return {Array}\n * @api public\n */\n\nEmitter.prototype.listeners = function(event){\n this._callbacks = this._callbacks || {};\n return this._callbacks['$' + event] || [];\n};\n\n/**\n * Check if this emitter has `event` handlers.\n *\n * @param {String} event\n * @return {Boolean}\n * @api public\n */\n\nEmitter.prototype.hasListeners = function(event){\n return !! this.listeners(event).length;\n};\n","export const globalThisShim = (() => {\n if (typeof self !== \"undefined\") {\n return self;\n }\n else if (typeof window !== \"undefined\") {\n return window;\n }\n else {\n return Function(\"return this\")();\n }\n})();\n","import { globalThisShim as globalThis } from \"./globalThis.js\";\nexport function pick(obj, ...attr) {\n return attr.reduce((acc, k) => {\n if (obj.hasOwnProperty(k)) {\n acc[k] = obj[k];\n }\n return acc;\n }, {});\n}\n// Keep a reference to the real timeout functions so they can be used when overridden\nconst NATIVE_SET_TIMEOUT = globalThis.setTimeout;\nconst NATIVE_CLEAR_TIMEOUT = globalThis.clearTimeout;\nexport function installTimerFunctions(obj, opts) {\n if (opts.useNativeTimers) {\n obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis);\n obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis);\n }\n else {\n obj.setTimeoutFn = globalThis.setTimeout.bind(globalThis);\n obj.clearTimeoutFn = globalThis.clearTimeout.bind(globalThis);\n }\n}\n// base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64)\nconst BASE64_OVERHEAD = 1.33;\n// we could also have used `new Blob([obj]).size`, but it isn't supported in IE9\nexport function byteLength(obj) {\n if (typeof obj === \"string\") {\n return utf8Length(obj);\n }\n // arraybuffer or blob\n return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD);\n}\nfunction utf8Length(str) {\n let c = 0, length = 0;\n for (let i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n length += 1;\n }\n else if (c < 0x800) {\n length += 2;\n }\n else if (c < 0xd800 || c >= 0xe000) {\n length += 3;\n }\n else {\n i++;\n length += 4;\n }\n }\n return length;\n}\n","import { decodePacket } from \"engine.io-parser\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions } from \"./util.js\";\nimport { encode } from \"./contrib/parseqs.js\";\nclass TransportError extends Error {\n constructor(reason, description, context) {\n super(reason);\n this.description = description;\n this.context = context;\n this.type = \"TransportError\";\n }\n}\nexport class Transport extends Emitter {\n /**\n * Transport abstract constructor.\n *\n * @param {Object} opts - options\n * @protected\n */\n constructor(opts) {\n super();\n this.writable = false;\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.query = opts.query;\n this.socket = opts.socket;\n }\n /**\n * Emits an error.\n *\n * @param {String} reason\n * @param description\n * @param context - the error context\n * @return {Transport} for chaining\n * @protected\n */\n onError(reason, description, context) {\n super.emitReserved(\"error\", new TransportError(reason, description, context));\n return this;\n }\n /**\n * Opens the transport.\n */\n open() {\n this.readyState = \"opening\";\n this.doOpen();\n return this;\n }\n /**\n * Closes the transport.\n */\n close() {\n if (this.readyState === \"opening\" || this.readyState === \"open\") {\n this.doClose();\n this.onClose();\n }\n return this;\n }\n /**\n * Sends multiple packets.\n *\n * @param {Array} packets\n */\n send(packets) {\n if (this.readyState === \"open\") {\n this.write(packets);\n }\n else {\n // this might happen if the transport was silently closed in the beforeunload event handler\n }\n }\n /**\n * Called upon open\n *\n * @protected\n */\n onOpen() {\n this.readyState = \"open\";\n this.writable = true;\n super.emitReserved(\"open\");\n }\n /**\n * Called with data.\n *\n * @param {String} data\n * @protected\n */\n onData(data) {\n const packet = decodePacket(data, this.socket.binaryType);\n this.onPacket(packet);\n }\n /**\n * Called with a decoded packet.\n *\n * @protected\n */\n onPacket(packet) {\n super.emitReserved(\"packet\", packet);\n }\n /**\n * Called upon close.\n *\n * @protected\n */\n onClose(details) {\n this.readyState = \"closed\";\n super.emitReserved(\"close\", details);\n }\n /**\n * Pauses the transport, in order not to lose packets during an upgrade.\n *\n * @param onPause\n */\n pause(onPause) { }\n createUri(schema, query = {}) {\n return (schema +\n \"://\" +\n this._hostname() +\n this._port() +\n this.opts.path +\n this._query(query));\n }\n _hostname() {\n const hostname = this.opts.hostname;\n return hostname.indexOf(\":\") === -1 ? hostname : \"[\" + hostname + \"]\";\n }\n _port() {\n if (this.opts.port &&\n ((this.opts.secure && Number(this.opts.port !== 443)) ||\n (!this.opts.secure && Number(this.opts.port) !== 80))) {\n return \":\" + this.opts.port;\n }\n else {\n return \"\";\n }\n }\n _query(query) {\n const encodedQuery = encode(query);\n return encodedQuery.length ? \"?\" + encodedQuery : \"\";\n }\n}\n","// imported from https://github.com/unshiftio/yeast\n'use strict';\nconst alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), length = 64, map = {};\nlet seed = 0, i = 0, prev;\n/**\n * Return a string representing the specified number.\n *\n * @param {Number} num The number to convert.\n * @returns {String} The string representation of the number.\n * @api public\n */\nexport function encode(num) {\n let encoded = '';\n do {\n encoded = alphabet[num % length] + encoded;\n num = Math.floor(num / length);\n } while (num > 0);\n return encoded;\n}\n/**\n * Return the integer value specified by the given string.\n *\n * @param {String} str The string to convert.\n * @returns {Number} The integer value represented by the string.\n * @api public\n */\nexport function decode(str) {\n let decoded = 0;\n for (i = 0; i < str.length; i++) {\n decoded = decoded * length + map[str.charAt(i)];\n }\n return decoded;\n}\n/**\n * Yeast: A tiny growing id generator.\n *\n * @returns {String} A unique id.\n * @api public\n */\nexport function yeast() {\n const now = encode(+new Date());\n if (now !== prev)\n return seed = 0, prev = now;\n return now + '.' + encode(seed++);\n}\n//\n// Map each character to its index.\n//\nfor (; i < length; i++)\n map[alphabet[i]] = i;\n","// imported from https://github.com/galkn/querystring\n/**\n * Compiles a querystring\n * Returns string representation of the object\n *\n * @param {Object}\n * @api private\n */\nexport function encode(obj) {\n let str = '';\n for (let i in obj) {\n if (obj.hasOwnProperty(i)) {\n if (str.length)\n str += '&';\n str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);\n }\n }\n return str;\n}\n/**\n * Parses a simple querystring into an object\n *\n * @param {String} qs\n * @api private\n */\nexport function decode(qs) {\n let qry = {};\n let pairs = qs.split('&');\n for (let i = 0, l = pairs.length; i < l; i++) {\n let pair = pairs[i].split('=');\n qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);\n }\n return qry;\n}\n","// imported from https://github.com/component/has-cors\nlet value = false;\ntry {\n value = typeof XMLHttpRequest !== 'undefined' &&\n 'withCredentials' in new XMLHttpRequest();\n}\ncatch (err) {\n // if XMLHttp support is disabled in IE then it will throw\n // when trying to create\n}\nexport const hasCORS = value;\n","// browser shim for xmlhttprequest module\nimport { hasCORS } from \"../contrib/has-cors.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nexport function XHR(opts) {\n const xdomain = opts.xdomain;\n // XMLHttpRequest can be disabled on IE\n try {\n if (\"undefined\" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {\n return new XMLHttpRequest();\n }\n }\n catch (e) { }\n if (!xdomain) {\n try {\n return new globalThis[[\"Active\"].concat(\"Object\").join(\"X\")](\"Microsoft.XMLHTTP\");\n }\n catch (e) { }\n }\n}\nexport function createCookieJar() { }\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { encodePayload, decodePayload } from \"engine.io-parser\";\nimport { createCookieJar, XHR as XMLHttpRequest, } from \"./xmlhttprequest.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { installTimerFunctions, pick } from \"../util.js\";\nimport { globalThisShim as globalThis } from \"../globalThis.js\";\nfunction empty() { }\nconst hasXHR2 = (function () {\n const xhr = new XMLHttpRequest({\n xdomain: false,\n });\n return null != xhr.responseType;\n})();\nexport class Polling extends Transport {\n /**\n * XHR Polling constructor.\n *\n * @param {Object} opts\n * @package\n */\n constructor(opts) {\n super(opts);\n this.polling = false;\n if (typeof location !== \"undefined\") {\n const isSSL = \"https:\" === location.protocol;\n let port = location.port;\n // some user agents have empty `location.port`\n if (!port) {\n port = isSSL ? \"443\" : \"80\";\n }\n this.xd =\n (typeof location !== \"undefined\" &&\n opts.hostname !== location.hostname) ||\n port !== opts.port;\n }\n /**\n * XHR supports binary\n */\n const forceBase64 = opts && opts.forceBase64;\n this.supportsBinary = hasXHR2 && !forceBase64;\n if (this.opts.withCredentials) {\n this.cookieJar = createCookieJar();\n }\n }\n get name() {\n return \"polling\";\n }\n /**\n * Opens the socket (triggers polling). We write a PING message to determine\n * when the transport is open.\n *\n * @protected\n */\n doOpen() {\n this.poll();\n }\n /**\n * Pauses polling.\n *\n * @param {Function} onPause - callback upon buffers are flushed and transport is paused\n * @package\n */\n pause(onPause) {\n this.readyState = \"pausing\";\n const pause = () => {\n this.readyState = \"paused\";\n onPause();\n };\n if (this.polling || !this.writable) {\n let total = 0;\n if (this.polling) {\n total++;\n this.once(\"pollComplete\", function () {\n --total || pause();\n });\n }\n if (!this.writable) {\n total++;\n this.once(\"drain\", function () {\n --total || pause();\n });\n }\n }\n else {\n pause();\n }\n }\n /**\n * Starts polling cycle.\n *\n * @private\n */\n poll() {\n this.polling = true;\n this.doPoll();\n this.emitReserved(\"poll\");\n }\n /**\n * Overloads onData to detect payloads.\n *\n * @protected\n */\n onData(data) {\n const callback = (packet) => {\n // if its the first message we consider the transport open\n if (\"opening\" === this.readyState && packet.type === \"open\") {\n this.onOpen();\n }\n // if its a close packet, we close the ongoing requests\n if (\"close\" === packet.type) {\n this.onClose({ description: \"transport closed by the server\" });\n return false;\n }\n // otherwise bypass onData and handle the message\n this.onPacket(packet);\n };\n // decode payload\n decodePayload(data, this.socket.binaryType).forEach(callback);\n // if an event did not trigger closing\n if (\"closed\" !== this.readyState) {\n // if we got data we're not polling\n this.polling = false;\n this.emitReserved(\"pollComplete\");\n if (\"open\" === this.readyState) {\n this.poll();\n }\n else {\n }\n }\n }\n /**\n * For polling, send a close packet.\n *\n * @protected\n */\n doClose() {\n const close = () => {\n this.write([{ type: \"close\" }]);\n };\n if (\"open\" === this.readyState) {\n close();\n }\n else {\n // in case we're trying to close while\n // handshaking is in progress (GH-164)\n this.once(\"open\", close);\n }\n }\n /**\n * Writes a packets payload.\n *\n * @param {Array} packets - data packets\n * @protected\n */\n write(packets) {\n this.writable = false;\n encodePayload(packets, (data) => {\n this.doWrite(data, () => {\n this.writable = true;\n this.emitReserved(\"drain\");\n });\n });\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"https\" : \"http\";\n const query = this.query || {};\n // cache busting is forced\n if (false !== this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n if (!this.supportsBinary && !query.sid) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Creates a request.\n *\n * @param {String} method\n * @private\n */\n request(opts = {}) {\n Object.assign(opts, { xd: this.xd, cookieJar: this.cookieJar }, this.opts);\n return new Request(this.uri(), opts);\n }\n /**\n * Sends data.\n *\n * @param {String} data to send.\n * @param {Function} called upon flush.\n * @private\n */\n doWrite(data, fn) {\n const req = this.request({\n method: \"POST\",\n data: data,\n });\n req.on(\"success\", fn);\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr post error\", xhrStatus, context);\n });\n }\n /**\n * Starts a poll cycle.\n *\n * @private\n */\n doPoll() {\n const req = this.request();\n req.on(\"data\", this.onData.bind(this));\n req.on(\"error\", (xhrStatus, context) => {\n this.onError(\"xhr poll error\", xhrStatus, context);\n });\n this.pollXhr = req;\n }\n}\nexport class Request extends Emitter {\n /**\n * Request constructor\n *\n * @param {Object} options\n * @package\n */\n constructor(uri, opts) {\n super();\n installTimerFunctions(this, opts);\n this.opts = opts;\n this.method = opts.method || \"GET\";\n this.uri = uri;\n this.data = undefined !== opts.data ? opts.data : null;\n this.create();\n }\n /**\n * Creates the XHR object and sends the request.\n *\n * @private\n */\n create() {\n var _a;\n const opts = pick(this.opts, \"agent\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"autoUnref\");\n opts.xdomain = !!this.opts.xd;\n const xhr = (this.xhr = new XMLHttpRequest(opts));\n try {\n xhr.open(this.method, this.uri, true);\n try {\n if (this.opts.extraHeaders) {\n xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);\n for (let i in this.opts.extraHeaders) {\n if (this.opts.extraHeaders.hasOwnProperty(i)) {\n xhr.setRequestHeader(i, this.opts.extraHeaders[i]);\n }\n }\n }\n }\n catch (e) { }\n if (\"POST\" === this.method) {\n try {\n xhr.setRequestHeader(\"Content-type\", \"text/plain;charset=UTF-8\");\n }\n catch (e) { }\n }\n try {\n xhr.setRequestHeader(\"Accept\", \"*/*\");\n }\n catch (e) { }\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr);\n // ie6 check\n if (\"withCredentials\" in xhr) {\n xhr.withCredentials = this.opts.withCredentials;\n }\n if (this.opts.requestTimeout) {\n xhr.timeout = this.opts.requestTimeout;\n }\n xhr.onreadystatechange = () => {\n var _a;\n if (xhr.readyState === 3) {\n (_a = this.opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(xhr);\n }\n if (4 !== xhr.readyState)\n return;\n if (200 === xhr.status || 1223 === xhr.status) {\n this.onLoad();\n }\n else {\n // make sure the `error` event handler that's user-set\n // does not throw in the same tick and gets caught here\n this.setTimeoutFn(() => {\n this.onError(typeof xhr.status === \"number\" ? xhr.status : 0);\n }, 0);\n }\n };\n xhr.send(this.data);\n }\n catch (e) {\n // Need to defer since .create() is called directly from the constructor\n // and thus the 'error' event can only be only bound *after* this exception\n // occurs. Therefore, also, we cannot throw here at all.\n this.setTimeoutFn(() => {\n this.onError(e);\n }, 0);\n return;\n }\n if (typeof document !== \"undefined\") {\n this.index = Request.requestsCount++;\n Request.requests[this.index] = this;\n }\n }\n /**\n * Called upon error.\n *\n * @private\n */\n onError(err) {\n this.emitReserved(\"error\", err, this.xhr);\n this.cleanup(true);\n }\n /**\n * Cleans up house.\n *\n * @private\n */\n cleanup(fromError) {\n if (\"undefined\" === typeof this.xhr || null === this.xhr) {\n return;\n }\n this.xhr.onreadystatechange = empty;\n if (fromError) {\n try {\n this.xhr.abort();\n }\n catch (e) { }\n }\n if (typeof document !== \"undefined\") {\n delete Request.requests[this.index];\n }\n this.xhr = null;\n }\n /**\n * Called upon load.\n *\n * @private\n */\n onLoad() {\n const data = this.xhr.responseText;\n if (data !== null) {\n this.emitReserved(\"data\", data);\n this.emitReserved(\"success\");\n this.cleanup();\n }\n }\n /**\n * Aborts the request.\n *\n * @package\n */\n abort() {\n this.cleanup();\n }\n}\nRequest.requestsCount = 0;\nRequest.requests = {};\n/**\n * Aborts pending requests when unloading the window. This is needed to prevent\n * memory leaks (e.g. when using IE) and to ensure that no spurious error is\n * emitted.\n */\nif (typeof document !== \"undefined\") {\n // @ts-ignore\n if (typeof attachEvent === \"function\") {\n // @ts-ignore\n attachEvent(\"onunload\", unloadHandler);\n }\n else if (typeof addEventListener === \"function\") {\n const terminationEvent = \"onpagehide\" in globalThis ? \"pagehide\" : \"unload\";\n addEventListener(terminationEvent, unloadHandler, false);\n }\n}\nfunction unloadHandler() {\n for (let i in Request.requests) {\n if (Request.requests.hasOwnProperty(i)) {\n Request.requests[i].abort();\n }\n }\n}\n","import { globalThisShim as globalThis } from \"../globalThis.js\";\nexport const nextTick = (() => {\n const isPromiseAvailable = typeof Promise === \"function\" && typeof Promise.resolve === \"function\";\n if (isPromiseAvailable) {\n return (cb) => Promise.resolve().then(cb);\n }\n else {\n return (cb, setTimeoutFn) => setTimeoutFn(cb, 0);\n }\n})();\nexport const WebSocket = globalThis.WebSocket || globalThis.MozWebSocket;\nexport const usingBrowserWebSocket = true;\nexport const defaultBinaryType = \"arraybuffer\";\n","import { Transport } from \"../transport.js\";\nimport { yeast } from \"../contrib/yeast.js\";\nimport { pick } from \"../util.js\";\nimport { nextTick, usingBrowserWebSocket, WebSocket, } from \"./websocket-constructor.js\";\nimport { encodePacket } from \"engine.io-parser\";\n// detect ReactNative environment\nconst isReactNative = typeof navigator !== \"undefined\" &&\n typeof navigator.product === \"string\" &&\n navigator.product.toLowerCase() === \"reactnative\";\nexport class WS extends Transport {\n /**\n * WebSocket transport constructor.\n *\n * @param {Object} opts - connection options\n * @protected\n */\n constructor(opts) {\n super(opts);\n this.supportsBinary = !opts.forceBase64;\n }\n get name() {\n return \"websocket\";\n }\n doOpen() {\n if (!this.check()) {\n // let probe timeout\n return;\n }\n const uri = this.uri();\n const protocols = this.opts.protocols;\n // React Native only supports the 'headers' option, and will print a warning if anything else is passed\n const opts = isReactNative\n ? {}\n : pick(this.opts, \"agent\", \"perMessageDeflate\", \"pfx\", \"key\", \"passphrase\", \"cert\", \"ca\", \"ciphers\", \"rejectUnauthorized\", \"localAddress\", \"protocolVersion\", \"origin\", \"maxPayload\", \"family\", \"checkServerIdentity\");\n if (this.opts.extraHeaders) {\n opts.headers = this.opts.extraHeaders;\n }\n try {\n this.ws =\n usingBrowserWebSocket && !isReactNative\n ? protocols\n ? new WebSocket(uri, protocols)\n : new WebSocket(uri)\n : new WebSocket(uri, protocols, opts);\n }\n catch (err) {\n return this.emitReserved(\"error\", err);\n }\n this.ws.binaryType = this.socket.binaryType;\n this.addEventListeners();\n }\n /**\n * Adds event listeners to the socket\n *\n * @private\n */\n addEventListeners() {\n this.ws.onopen = () => {\n if (this.opts.autoUnref) {\n this.ws._socket.unref();\n }\n this.onOpen();\n };\n this.ws.onclose = (closeEvent) => this.onClose({\n description: \"websocket connection closed\",\n context: closeEvent,\n });\n this.ws.onmessage = (ev) => this.onData(ev.data);\n this.ws.onerror = (e) => this.onError(\"websocket error\", e);\n }\n write(packets) {\n this.writable = false;\n // encodePacket efficient as it uses WS framing\n // no need for encodePayload\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n encodePacket(packet, this.supportsBinary, (data) => {\n // always create a new object (GH-437)\n const opts = {};\n if (!usingBrowserWebSocket) {\n if (packet.options) {\n opts.compress = packet.options.compress;\n }\n if (this.opts.perMessageDeflate) {\n const len = \n // @ts-ignore\n \"string\" === typeof data ? Buffer.byteLength(data) : data.length;\n if (len < this.opts.perMessageDeflate.threshold) {\n opts.compress = false;\n }\n }\n }\n // Sometimes the websocket has already been closed but the browser didn't\n // have a chance of informing us about it yet, in that case send will\n // throw an error\n try {\n if (usingBrowserWebSocket) {\n // TypeError is thrown when passing the second argument on Safari\n this.ws.send(data);\n }\n else {\n this.ws.send(data, opts);\n }\n }\n catch (e) {\n }\n if (lastPacket) {\n // fake drain\n // defer to next tick to allow Socket to clear writeBuffer\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n if (typeof this.ws !== \"undefined\") {\n this.ws.close();\n this.ws = null;\n }\n }\n /**\n * Generates uri for connection.\n *\n * @private\n */\n uri() {\n const schema = this.opts.secure ? \"wss\" : \"ws\";\n const query = this.query || {};\n // append timestamp to URI\n if (this.opts.timestampRequests) {\n query[this.opts.timestampParam] = yeast();\n }\n // communicate binary support capabilities\n if (!this.supportsBinary) {\n query.b64 = 1;\n }\n return this.createUri(schema, query);\n }\n /**\n * Feature detection for WebSocket.\n *\n * @return {Boolean} whether this transport is available.\n * @private\n */\n check() {\n return !!WebSocket;\n }\n}\n","import { Transport } from \"../transport.js\";\nimport { nextTick } from \"./websocket-constructor.js\";\nimport { createPacketDecoderStream, createPacketEncoderStream, } from \"engine.io-parser\";\nexport class WT extends Transport {\n get name() {\n return \"webtransport\";\n }\n doOpen() {\n // @ts-ignore\n if (typeof WebTransport !== \"function\") {\n return;\n }\n // @ts-ignore\n this.transport = new WebTransport(this.createUri(\"https\"), this.opts.transportOptions[this.name]);\n this.transport.closed\n .then(() => {\n this.onClose();\n })\n .catch((err) => {\n this.onError(\"webtransport error\", err);\n });\n // note: we could have used async/await, but that would require some additional polyfills\n this.transport.ready.then(() => {\n this.transport.createBidirectionalStream().then((stream) => {\n const decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, this.socket.binaryType);\n const reader = stream.readable.pipeThrough(decoderStream).getReader();\n const encoderStream = createPacketEncoderStream();\n encoderStream.readable.pipeTo(stream.writable);\n this.writer = encoderStream.writable.getWriter();\n const read = () => {\n reader\n .read()\n .then(({ done, value }) => {\n if (done) {\n return;\n }\n this.onPacket(value);\n read();\n })\n .catch((err) => {\n });\n };\n read();\n const packet = { type: \"open\" };\n if (this.query.sid) {\n packet.data = `{\"sid\":\"${this.query.sid}\"}`;\n }\n this.writer.write(packet).then(() => this.onOpen());\n });\n });\n }\n write(packets) {\n this.writable = false;\n for (let i = 0; i < packets.length; i++) {\n const packet = packets[i];\n const lastPacket = i === packets.length - 1;\n this.writer.write(packet).then(() => {\n if (lastPacket) {\n nextTick(() => {\n this.writable = true;\n this.emitReserved(\"drain\");\n }, this.setTimeoutFn);\n }\n });\n }\n }\n doClose() {\n var _a;\n (_a = this.transport) === null || _a === void 0 ? void 0 : _a.close();\n }\n}\n","import { Polling } from \"./polling.js\";\nimport { WS } from \"./websocket.js\";\nimport { WT } from \"./webtransport.js\";\nexport const transports = {\n websocket: WS,\n webtransport: WT,\n polling: Polling,\n};\n","// imported from https://github.com/galkn/parseuri\n/**\n * Parses a URI\n *\n * Note: we could also have used the built-in URL object, but it isn't supported on all platforms.\n *\n * See:\n * - https://developer.mozilla.org/en-US/docs/Web/API/URL\n * - https://caniuse.com/url\n * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B\n *\n * History of the parse() method:\n * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c\n * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3\n * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242\n *\n * @author Steven Levithan (MIT license)\n * @api private\n */\nconst re = /^(?:(?![^:@\\/?#]+:[^:@\\/]*@)(http|https|ws|wss):\\/\\/)?((?:(([^:@\\/?#]*)(?::([^:@\\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\\/?#]*)(?::(\\d*))?)(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))(?:\\?([^#]*))?(?:#(.*))?)/;\nconst parts = [\n 'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'\n];\nexport function parse(str) {\n const src = str, b = str.indexOf('['), e = str.indexOf(']');\n if (b != -1 && e != -1) {\n str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);\n }\n let m = re.exec(str || ''), uri = {}, i = 14;\n while (i--) {\n uri[parts[i]] = m[i] || '';\n }\n if (b != -1 && e != -1) {\n uri.source = src;\n uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');\n uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');\n uri.ipv6uri = true;\n }\n uri.pathNames = pathNames(uri, uri['path']);\n uri.queryKey = queryKey(uri, uri['query']);\n return uri;\n}\nfunction pathNames(obj, path) {\n const regx = /\\/{2,9}/g, names = path.replace(regx, \"/\").split(\"/\");\n if (path.slice(0, 1) == '/' || path.length === 0) {\n names.splice(0, 1);\n }\n if (path.slice(-1) == '/') {\n names.splice(names.length - 1, 1);\n }\n return names;\n}\nfunction queryKey(uri, query) {\n const data = {};\n query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {\n if ($1) {\n data[$1] = $2;\n }\n });\n return data;\n}\n","import { transports } from \"./transports/index.js\";\nimport { installTimerFunctions, byteLength } from \"./util.js\";\nimport { decode } from \"./contrib/parseqs.js\";\nimport { parse } from \"./contrib/parseuri.js\";\nimport { Emitter } from \"@socket.io/component-emitter\";\nimport { protocol } from \"engine.io-parser\";\nimport { defaultBinaryType } from \"./transports/websocket-constructor.js\";\nexport class Socket extends Emitter {\n /**\n * Socket constructor.\n *\n * @param {String|Object} uri - uri or options\n * @param {Object} opts - options\n */\n constructor(uri, opts = {}) {\n super();\n this.binaryType = defaultBinaryType;\n this.writeBuffer = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = null;\n }\n if (uri) {\n uri = parse(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === \"https\" || uri.protocol === \"wss\";\n opts.port = uri.port;\n if (uri.query)\n opts.query = uri.query;\n }\n else if (opts.host) {\n opts.hostname = parse(opts.host).host;\n }\n installTimerFunctions(this, opts);\n this.secure =\n null != opts.secure\n ? opts.secure\n : typeof location !== \"undefined\" && \"https:\" === location.protocol;\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? \"443\" : \"80\";\n }\n this.hostname =\n opts.hostname ||\n (typeof location !== \"undefined\" ? location.hostname : \"localhost\");\n this.port =\n opts.port ||\n (typeof location !== \"undefined\" && location.port\n ? location.port\n : this.secure\n ? \"443\"\n : \"80\");\n this.transports = opts.transports || [\n \"polling\",\n \"websocket\",\n \"webtransport\",\n ];\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.opts = Object.assign({\n path: \"/engine.io\",\n agent: false,\n withCredentials: false,\n upgrade: true,\n timestampParam: \"t\",\n rememberUpgrade: false,\n addTrailingSlash: true,\n rejectUnauthorized: true,\n perMessageDeflate: {\n threshold: 1024,\n },\n transportOptions: {},\n closeOnBeforeunload: false,\n }, opts);\n this.opts.path =\n this.opts.path.replace(/\\/$/, \"\") +\n (this.opts.addTrailingSlash ? \"/\" : \"\");\n if (typeof this.opts.query === \"string\") {\n this.opts.query = decode(this.opts.query);\n }\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n // set on heartbeat\n this.pingTimeoutTimer = null;\n if (typeof addEventListener === \"function\") {\n if (this.opts.closeOnBeforeunload) {\n // Firefox closes the connection when the \"beforeunload\" event is emitted but not Chrome. This event listener\n // ensures every browser behaves the same (no \"disconnect\" event at the Socket.IO level when the page is\n // closed/reloaded)\n this.beforeunloadEventListener = () => {\n if (this.transport) {\n // silently close the transport\n this.transport.removeAllListeners();\n this.transport.close();\n }\n };\n addEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n }\n if (this.hostname !== \"localhost\") {\n this.offlineEventListener = () => {\n this.onClose(\"transport close\", {\n description: \"network connection lost\",\n });\n };\n addEventListener(\"offline\", this.offlineEventListener, false);\n }\n }\n this.open();\n }\n /**\n * Creates transport of the given type.\n *\n * @param {String} name - transport name\n * @return {Transport}\n * @private\n */\n createTransport(name) {\n const query = Object.assign({}, this.opts.query);\n // append engine.io protocol identifier\n query.EIO = protocol;\n // transport name\n query.transport = name;\n // session id if we already have one\n if (this.id)\n query.sid = this.id;\n const opts = Object.assign({}, this.opts, {\n query,\n socket: this,\n hostname: this.hostname,\n secure: this.secure,\n port: this.port,\n }, this.opts.transportOptions[name]);\n return new transports[name](opts);\n }\n /**\n * Initializes transport to use and starts probe.\n *\n * @private\n */\n open() {\n let transport;\n if (this.opts.rememberUpgrade &&\n Socket.priorWebsocketSuccess &&\n this.transports.indexOf(\"websocket\") !== -1) {\n transport = \"websocket\";\n }\n else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n this.setTimeoutFn(() => {\n this.emitReserved(\"error\", \"No transports available\");\n }, 0);\n return;\n }\n else {\n transport = this.transports[0];\n }\n this.readyState = \"opening\";\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n }\n catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n transport.open();\n this.setTransport(transport);\n }\n /**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @private\n */\n setTransport(transport) {\n if (this.transport) {\n this.transport.removeAllListeners();\n }\n // set up transport\n this.transport = transport;\n // set up transport listeners\n transport\n .on(\"drain\", this.onDrain.bind(this))\n .on(\"packet\", this.onPacket.bind(this))\n .on(\"error\", this.onError.bind(this))\n .on(\"close\", (reason) => this.onClose(\"transport close\", reason));\n }\n /**\n * Probes a transport.\n *\n * @param {String} name - transport name\n * @private\n */\n probe(name) {\n let transport = this.createTransport(name);\n let failed = false;\n Socket.priorWebsocketSuccess = false;\n const onTransportOpen = () => {\n if (failed)\n return;\n transport.send([{ type: \"ping\", data: \"probe\" }]);\n transport.once(\"packet\", (msg) => {\n if (failed)\n return;\n if (\"pong\" === msg.type && \"probe\" === msg.data) {\n this.upgrading = true;\n this.emitReserved(\"upgrading\", transport);\n if (!transport)\n return;\n Socket.priorWebsocketSuccess = \"websocket\" === transport.name;\n this.transport.pause(() => {\n if (failed)\n return;\n if (\"closed\" === this.readyState)\n return;\n cleanup();\n this.setTransport(transport);\n transport.send([{ type: \"upgrade\" }]);\n this.emitReserved(\"upgrade\", transport);\n transport = null;\n this.upgrading = false;\n this.flush();\n });\n }\n else {\n const err = new Error(\"probe error\");\n // @ts-ignore\n err.transport = transport.name;\n this.emitReserved(\"upgradeError\", err);\n }\n });\n };\n function freezeTransport() {\n if (failed)\n return;\n // Any callback called by transport should be ignored since now\n failed = true;\n cleanup();\n transport.close();\n transport = null;\n }\n // Handle any error that happens while probing\n const onerror = (err) => {\n const error = new Error(\"probe error: \" + err);\n // @ts-ignore\n error.transport = transport.name;\n freezeTransport();\n this.emitReserved(\"upgradeError\", error);\n };\n function onTransportClose() {\n onerror(\"transport closed\");\n }\n // When the socket is closed while we're probing\n function onclose() {\n onerror(\"socket closed\");\n }\n // When the socket is upgraded while we're probing\n function onupgrade(to) {\n if (transport && to.name !== transport.name) {\n freezeTransport();\n }\n }\n // Remove all listeners on the transport and on self\n const cleanup = () => {\n transport.removeListener(\"open\", onTransportOpen);\n transport.removeListener(\"error\", onerror);\n transport.removeListener(\"close\", onTransportClose);\n this.off(\"close\", onclose);\n this.off(\"upgrading\", onupgrade);\n };\n transport.once(\"open\", onTransportOpen);\n transport.once(\"error\", onerror);\n transport.once(\"close\", onTransportClose);\n this.once(\"close\", onclose);\n this.once(\"upgrading\", onupgrade);\n if (this.upgrades.indexOf(\"webtransport\") !== -1 &&\n name !== \"webtransport\") {\n // favor WebTransport\n this.setTimeoutFn(() => {\n if (!failed) {\n transport.open();\n }\n }, 200);\n }\n else {\n transport.open();\n }\n }\n /**\n * Called when connection is deemed open.\n *\n * @private\n */\n onOpen() {\n this.readyState = \"open\";\n Socket.priorWebsocketSuccess = \"websocket\" === this.transport.name;\n this.emitReserved(\"open\");\n this.flush();\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if (\"open\" === this.readyState && this.opts.upgrade) {\n let i = 0;\n const l = this.upgrades.length;\n for (; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n }\n /**\n * Handles a packet.\n *\n * @private\n */\n onPacket(packet) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n this.emitReserved(\"packet\", packet);\n // Socket is live - any packet counts\n this.emitReserved(\"heartbeat\");\n this.resetPingTimeout();\n switch (packet.type) {\n case \"open\":\n this.onHandshake(JSON.parse(packet.data));\n break;\n case \"ping\":\n this.sendPacket(\"pong\");\n this.emitReserved(\"ping\");\n this.emitReserved(\"pong\");\n break;\n case \"error\":\n const err = new Error(\"server error\");\n // @ts-ignore\n err.code = packet.data;\n this.onError(err);\n break;\n case \"message\":\n this.emitReserved(\"data\", packet.data);\n this.emitReserved(\"message\", packet.data);\n break;\n }\n }\n else {\n }\n }\n /**\n * Called upon handshake completion.\n *\n * @param {Object} data - handshake obj\n * @private\n */\n onHandshake(data) {\n this.emitReserved(\"handshake\", data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.maxPayload = data.maxPayload;\n this.onOpen();\n // In case open handler closes socket\n if (\"closed\" === this.readyState)\n return;\n this.resetPingTimeout();\n }\n /**\n * Sets and resets ping timeout timer based on server pings.\n *\n * @private\n */\n resetPingTimeout() {\n this.clearTimeoutFn(this.pingTimeoutTimer);\n this.pingTimeoutTimer = this.setTimeoutFn(() => {\n this.onClose(\"ping timeout\");\n }, this.pingInterval + this.pingTimeout);\n if (this.opts.autoUnref) {\n this.pingTimeoutTimer.unref();\n }\n }\n /**\n * Called on `drain` event\n *\n * @private\n */\n onDrain() {\n this.writeBuffer.splice(0, this.prevBufferLen);\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n if (0 === this.writeBuffer.length) {\n this.emitReserved(\"drain\");\n }\n else {\n this.flush();\n }\n }\n /**\n * Flush write buffers.\n *\n * @private\n */\n flush() {\n if (\"closed\" !== this.readyState &&\n this.transport.writable &&\n !this.upgrading &&\n this.writeBuffer.length) {\n const packets = this.getWritablePackets();\n this.transport.send(packets);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = packets.length;\n this.emitReserved(\"flush\");\n }\n }\n /**\n * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP\n * long-polling)\n *\n * @private\n */\n getWritablePackets() {\n const shouldCheckPayloadSize = this.maxPayload &&\n this.transport.name === \"polling\" &&\n this.writeBuffer.length > 1;\n if (!shouldCheckPayloadSize) {\n return this.writeBuffer;\n }\n let payloadSize = 1; // first packet type\n for (let i = 0; i < this.writeBuffer.length; i++) {\n const data = this.writeBuffer[i].data;\n if (data) {\n payloadSize += byteLength(data);\n }\n if (i > 0 && payloadSize > this.maxPayload) {\n return this.writeBuffer.slice(0, i);\n }\n payloadSize += 2; // separator + packet type\n }\n return this.writeBuffer;\n }\n /**\n * Sends a message.\n *\n * @param {String} msg - message.\n * @param {Object} options.\n * @param {Function} callback function.\n * @return {Socket} for chaining.\n */\n write(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n send(msg, options, fn) {\n this.sendPacket(\"message\", msg, options, fn);\n return this;\n }\n /**\n * Sends a packet.\n *\n * @param {String} type: packet type.\n * @param {String} data.\n * @param {Object} options.\n * @param {Function} fn - callback function.\n * @private\n */\n sendPacket(type, data, options, fn) {\n if (\"function\" === typeof data) {\n fn = data;\n data = undefined;\n }\n if (\"function\" === typeof options) {\n fn = options;\n options = null;\n }\n if (\"closing\" === this.readyState || \"closed\" === this.readyState) {\n return;\n }\n options = options || {};\n options.compress = false !== options.compress;\n const packet = {\n type: type,\n data: data,\n options: options,\n };\n this.emitReserved(\"packetCreate\", packet);\n this.writeBuffer.push(packet);\n if (fn)\n this.once(\"flush\", fn);\n this.flush();\n }\n /**\n * Closes the connection.\n */\n close() {\n const close = () => {\n this.onClose(\"forced close\");\n this.transport.close();\n };\n const cleanupAndClose = () => {\n this.off(\"upgrade\", cleanupAndClose);\n this.off(\"upgradeError\", cleanupAndClose);\n close();\n };\n const waitForUpgrade = () => {\n // wait for upgrade to finish since we can't send packets while pausing a transport\n this.once(\"upgrade\", cleanupAndClose);\n this.once(\"upgradeError\", cleanupAndClose);\n };\n if (\"opening\" === this.readyState || \"open\" === this.readyState) {\n this.readyState = \"closing\";\n if (this.writeBuffer.length) {\n this.once(\"drain\", () => {\n if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n });\n }\n else if (this.upgrading) {\n waitForUpgrade();\n }\n else {\n close();\n }\n }\n return this;\n }\n /**\n * Called upon transport error\n *\n * @private\n */\n onError(err) {\n Socket.priorWebsocketSuccess = false;\n this.emitReserved(\"error\", err);\n this.onClose(\"transport error\", err);\n }\n /**\n * Called upon transport close.\n *\n * @private\n */\n onClose(reason, description) {\n if (\"opening\" === this.readyState ||\n \"open\" === this.readyState ||\n \"closing\" === this.readyState) {\n // clear timers\n this.clearTimeoutFn(this.pingTimeoutTimer);\n // stop event from firing again for transport\n this.transport.removeAllListeners(\"close\");\n // ensure transport won't stay open\n this.transport.close();\n // ignore further transport communication\n this.transport.removeAllListeners();\n if (typeof removeEventListener === \"function\") {\n removeEventListener(\"beforeunload\", this.beforeunloadEventListener, false);\n removeEventListener(\"offline\", this.offlineEventListener, false);\n }\n // set ready state\n this.readyState = \"closed\";\n // clear session id\n this.id = null;\n // emit close event\n this.emitReserved(\"close\", reason, description);\n // clean buffers after, so users can still\n // grab the buffers on `close` event\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n }\n }\n /**\n * Filters upgrades, returning only those matching client transports.\n *\n * @param {Array} upgrades - server upgrades\n * @private\n */\n filterUpgrades(upgrades) {\n const filteredUpgrades = [];\n let i = 0;\n const j = upgrades.length;\n for (; i < j; i++) {\n if (~this.transports.indexOf(upgrades[i]))\n filteredUpgrades.push(upgrades[i]);\n }\n return filteredUpgrades;\n }\n}\nSocket.protocol = protocol;\n","import { Socket } from \"./socket.js\";\nexport { Socket };\nexport const protocol = Socket.protocol;\nexport { Transport } from \"./transport.js\";\nexport { transports } from \"./transports/index.js\";\nexport { installTimerFunctions } from \"./util.js\";\nexport { parse } from \"./contrib/parseuri.js\";\nexport { nextTick } from \"./transports/websocket-constructor.js\";\n","'use strict';\n\nfunction utf8Write(view, offset, str) {\n var c = 0;\n for (var i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n view.setUint8(offset++, c);\n }\n else if (c < 0x800) {\n view.setUint8(offset++, 0xc0 | (c >> 6));\n view.setUint8(offset++, 0x80 | (c & 0x3f));\n }\n else if (c < 0xd800 || c >= 0xe000) {\n view.setUint8(offset++, 0xe0 | (c >> 12));\n view.setUint8(offset++, 0x80 | (c >> 6) & 0x3f);\n view.setUint8(offset++, 0x80 | (c & 0x3f));\n }\n else {\n i++;\n c = 0x10000 + (((c & 0x3ff) << 10) | (str.charCodeAt(i) & 0x3ff));\n view.setUint8(offset++, 0xf0 | (c >> 18));\n view.setUint8(offset++, 0x80 | (c >> 12) & 0x3f);\n view.setUint8(offset++, 0x80 | (c >> 6) & 0x3f);\n view.setUint8(offset++, 0x80 | (c & 0x3f));\n }\n }\n}\n\nfunction utf8Length(str) {\n var c = 0, length = 0;\n for (var i = 0, l = str.length; i < l; i++) {\n c = str.charCodeAt(i);\n if (c < 0x80) {\n length += 1;\n }\n else if (c < 0x800) {\n length += 2;\n }\n else if (c < 0xd800 || c >= 0xe000) {\n length += 3;\n }\n else {\n i++;\n length += 4;\n }\n }\n return length;\n}\n\nfunction _encode(bytes, defers, value) {\n var type = typeof value, i = 0, l = 0, hi = 0, lo = 0, length = 0, size = 0;\n\n if (type === 'string') {\n length = utf8Length(value);\n\n // fixstr\n if (length < 0x20) {\n bytes.push(length | 0xa0);\n size = 1;\n }\n // str 8\n else if (length < 0x100) {\n bytes.push(0xd9, length);\n size = 2;\n }\n // str 16\n else if (length < 0x10000) {\n bytes.push(0xda, length >> 8, length);\n size = 3;\n }\n // str 32\n else if (length < 0x100000000) {\n bytes.push(0xdb, length >> 24, length >> 16, length >> 8, length);\n size = 5;\n } else {\n throw new Error('String too long');\n }\n defers.push({ _str: value, _length: length, _offset: bytes.length });\n return size + length;\n }\n if (type === 'number') {\n // TODO: encode to float 32?\n\n // float 64\n if (Math.floor(value) !== value || !isFinite(value)) {\n bytes.push(0xcb);\n defers.push({ _float: value, _length: 8, _offset: bytes.length });\n return 9;\n }\n\n if (value >= 0) {\n // positive fixnum\n if (value < 0x80) {\n bytes.push(value);\n return 1;\n }\n // uint 8\n if (value < 0x100) {\n bytes.push(0xcc, value);\n return 2;\n }\n // uint 16\n if (value < 0x10000) {\n bytes.push(0xcd, value >> 8, value);\n return 3;\n }\n // uint 32\n if (value < 0x100000000) {\n bytes.push(0xce, value >> 24, value >> 16, value >> 8, value);\n return 5;\n }\n // uint 64\n hi = (value / Math.pow(2, 32)) >> 0;\n lo = value >>> 0;\n bytes.push(0xcf, hi >> 24, hi >> 16, hi >> 8, hi, lo >> 24, lo >> 16, lo >> 8, lo);\n return 9;\n } else {\n // negative fixnum\n if (value >= -0x20) {\n bytes.push(value);\n return 1;\n }\n // int 8\n if (value >= -0x80) {\n bytes.push(0xd0, value);\n return 2;\n }\n // int 16\n if (value >= -0x8000) {\n bytes.push(0xd1, value >> 8, value);\n return 3;\n }\n // int 32\n if (value >= -0x80000000) {\n bytes.push(0xd2, value >> 24, value >> 16, value >> 8, value);\n return 5;\n }\n // int 64\n hi = Math.floor(value / Math.pow(2, 32));\n lo = value >>> 0;\n bytes.push(0xd3, hi >> 24, hi >> 16, hi >> 8, hi, lo >> 24, lo >> 16, lo >> 8, lo);\n return 9;\n }\n }\n if (type === 'object') {\n // nil\n if (value === null) {\n bytes.push(0xc0);\n return 1;\n }\n\n if (Array.isArray(value)) {\n length = value.length;\n\n // fixarray\n if (length < 0x10) {\n bytes.push(length | 0x90);\n size = 1;\n }\n // array 16\n else if (length < 0x10000) {\n bytes.push(0xdc, length >> 8, length);\n size = 3;\n }\n // array 32\n else if (length < 0x100000000) {\n bytes.push(0xdd, length >> 24, length >> 16, length >> 8, length);\n size = 5;\n } else {\n throw new Error('Array too large');\n }\n for (i = 0; i < length; i++) {\n size += _encode(bytes, defers, value[i]);\n }\n return size;\n }\n\n // fixext 8 / Date\n if (value instanceof Date) {\n var time = value.getTime();\n hi = Math.floor(time / Math.pow(2, 32));\n lo = time >>> 0;\n bytes.push(0xd7, 0, hi >> 24, hi >> 16, hi >> 8, hi, lo >> 24, lo >> 16, lo >> 8, lo);\n return 10;\n }\n\n if (value instanceof ArrayBuffer) {\n length = value.byteLength;\n\n // bin 8\n if (length < 0x100) {\n bytes.push(0xc4, length);\n size = 2;\n } else\n // bin 16\n if (length < 0x10000) {\n bytes.push(0xc5, length >> 8, length);\n size = 3;\n } else\n // bin 32\n if (length < 0x100000000) {\n bytes.push(0xc6, length >> 24, length >> 16, length >> 8, length);\n size = 5;\n } else {\n throw new Error('Buffer too large');\n }\n defers.push({ _bin: value, _length: length, _offset: bytes.length });\n return size + length;\n }\n\n if (typeof value.toJSON === 'function') {\n return _encode(bytes, defers, value.toJSON());\n }\n\n var keys = [], key = '';\n\n var allKeys = Object.keys(value);\n for (i = 0, l = allKeys.length; i < l; i++) {\n key = allKeys[i];\n if (typeof value[key] !== 'function') {\n keys.push(key);\n }\n }\n length = keys.length;\n\n // fixmap\n if (length < 0x10) {\n bytes.push(length | 0x80);\n size = 1;\n }\n // map 16\n else if (length < 0x10000) {\n bytes.push(0xde, length >> 8, length);\n size = 3;\n }\n // map 32\n else if (length < 0x100000000) {\n bytes.push(0xdf, length >> 24, length >> 16, length >> 8, length);\n size = 5;\n } else {\n throw new Error('Object too large');\n }\n\n for (i = 0; i < length; i++) {\n key = keys[i];\n size += _encode(bytes, defers, key);\n size += _encode(bytes, defers, value[key]);\n }\n return size;\n }\n // false/true\n if (type === 'boolean') {\n bytes.push(value ? 0xc3 : 0xc2);\n return 1;\n }\n // fixext 1 / undefined\n if (type === 'undefined') {\n bytes.push(0xd4, 0, 0);\n return 3;\n }\n throw new Error('Could not encode');\n}\n\nfunction encode(value) {\n var bytes = [];\n var defers = [];\n var size = _encode(bytes, defers, value);\n var buf = new ArrayBuffer(size);\n var view = new DataView(buf);\n\n var deferIndex = 0;\n var deferWritten = 0;\n var nextOffset = -1;\n if (defers.length > 0) {\n nextOffset = defers[0]._offset;\n }\n\n var defer, deferLength = 0, offset = 0;\n for (var i = 0, l = bytes.length; i < l; i++) {\n view.setUint8(deferWritten + i, bytes[i]);\n if (i + 1 !== nextOffset) { continue; }\n defer = defers[deferIndex];\n deferLength = defer._length;\n offset = deferWritten + nextOffset;\n if (defer._bin) {\n var bin = new Uint8Array(defer._bin);\n for (var j = 0; j < deferLength; j++) {\n view.setUint8(offset + j, bin[j]);\n }\n } else if (defer._str) {\n utf8Write(view, offset, defer._str);\n } else if (defer._float !== undefined) {\n view.setFloat64(offset, defer._float);\n }\n deferIndex++;\n deferWritten += deferLength;\n if (defers[deferIndex]) {\n nextOffset = defers[deferIndex]._offset;\n }\n }\n return buf;\n}\n\nmodule.exports = encode;\n","'use strict';\n\nfunction Decoder(buffer) {\n this._offset = 0;\n if (buffer instanceof ArrayBuffer) {\n this._buffer = buffer;\n this._view = new DataView(this._buffer);\n } else if (ArrayBuffer.isView(buffer)) {\n this._buffer = buffer.buffer;\n this._view = new DataView(this._buffer, buffer.byteOffset, buffer.byteLength);\n } else {\n throw new Error('Invalid argument');\n }\n}\n\nfunction utf8Read(view, offset, length) {\n var string = '', chr = 0;\n for (var i = offset, end = offset + length; i < end; i++) {\n var byte = view.getUint8(i);\n if ((byte & 0x80) === 0x00) {\n string += String.fromCharCode(byte);\n continue;\n }\n if ((byte & 0xe0) === 0xc0) {\n string += String.fromCharCode(\n ((byte & 0x1f) << 6) |\n (view.getUint8(++i) & 0x3f)\n );\n continue;\n }\n if ((byte & 0xf0) === 0xe0) {\n string += String.fromCharCode(\n ((byte & 0x0f) << 12) |\n ((view.getUint8(++i) & 0x3f) << 6) |\n ((view.getUint8(++i) & 0x3f) << 0)\n );\n continue;\n }\n if ((byte & 0xf8) === 0xf0) {\n chr = ((byte & 0x07) << 18) |\n ((view.getUint8(++i) & 0x3f) << 12) |\n ((view.getUint8(++i) & 0x3f) << 6) |\n ((view.getUint8(++i) & 0x3f) << 0);\n if (chr >= 0x010000) { // surrogate pair\n chr -= 0x010000;\n string += String.fromCharCode((chr >>> 10) + 0xD800, (chr & 0x3FF) + 0xDC00);\n } else {\n string += String.fromCharCode(chr);\n }\n continue;\n }\n throw new Error('Invalid byte ' + byte.toString(16));\n }\n return string;\n}\n\nDecoder.prototype._array = function (length) {\n var value = new Array(length);\n for (var i = 0; i < length; i++) {\n value[i] = this._parse();\n }\n return value;\n};\n\nDecoder.prototype._map = function (length) {\n var key = '', value = {};\n for (var i = 0; i < length; i++) {\n key = this._parse();\n value[key] = this._parse();\n }\n return value;\n};\n\nDecoder.prototype._str = function (length) {\n var value = utf8Read(this._view, this._offset, length);\n this._offset += length;\n return value;\n};\n\nDecoder.prototype._bin = function (length) {\n var value = this._buffer.slice(this._offset, this._offset + length);\n this._offset += length;\n return value;\n};\n\nDecoder.prototype._parse = function () {\n var prefix = this._view.getUint8(this._offset++);\n var value, length = 0, type = 0, hi = 0, lo = 0;\n\n if (prefix < 0xc0) {\n // positive fixint\n if (prefix < 0x80) {\n return prefix;\n }\n // fixmap\n if (prefix < 0x90) {\n return this._map(prefix & 0x0f);\n }\n // fixarray\n if (prefix < 0xa0) {\n return this._array(prefix & 0x0f);\n }\n // fixstr\n return this._str(prefix & 0x1f);\n }\n\n // negative fixint\n if (prefix > 0xdf) {\n return (0xff - prefix + 1) * -1;\n }\n\n switch (prefix) {\n // nil\n case 0xc0:\n return null;\n // false\n case 0xc2:\n return false;\n // true\n case 0xc3:\n return true;\n\n // bin\n case 0xc4:\n length = this._view.getUint8(this._offset);\n this._offset += 1;\n return this._bin(length);\n case 0xc5:\n length = this._view.getUint16(this._offset);\n this._offset += 2;\n return this._bin(length);\n case 0xc6:\n length = this._view.getUint32(this._offset);\n this._offset += 4;\n return this._bin(length);\n\n // ext\n case 0xc7:\n length = this._view.getUint8(this._offset);\n type = this._view.getInt8(this._offset + 1);\n this._offset += 2;\n return [type, this._bin(length)];\n case 0xc8:\n length = this._view.getUint16(this._offset);\n type = this._view.getInt8(this._offset + 2);\n this._offset += 3;\n return [type, this._bin(length)];\n case 0xc9:\n length = this._view.getUint32(this._offset);\n type = this._view.getInt8(this._offset + 4);\n this._offset += 5;\n return [type, this._bin(length)];\n\n // float\n case 0xca:\n value = this._view.getFloat32(this._offset);\n this._offset += 4;\n return value;\n case 0xcb:\n value = this._view.getFloat64(this._offset);\n this._offset += 8;\n return value;\n\n // uint\n case 0xcc:\n value = this._view.getUint8(this._offset);\n this._offset += 1;\n return value;\n case 0xcd:\n value = this._view.getUint16(this._offset);\n this._offset += 2;\n return value;\n case 0xce:\n value = this._view.getUint32(this._offset);\n this._offset += 4;\n return value;\n case 0xcf:\n hi = this._view.getUint32(this._offset) * Math.pow(2, 32);\n lo = this._view.getUint32(this._offset + 4);\n this._offset += 8;\n return hi + lo;\n\n // int\n case 0xd0:\n value = this._view.getInt8(this._offset);\n this._offset += 1;\n return value;\n case 0xd1:\n value = this._view.getInt16(this._offset);\n this._offset += 2;\n return value;\n case 0xd2:\n value = this._view.getInt32(this._offset);\n this._offset += 4;\n return value;\n case 0xd3:\n hi = this._view.getInt32(this._offset) * Math.pow(2, 32);\n lo = this._view.getUint32(this._offset + 4);\n this._offset += 8;\n return hi + lo;\n\n // fixext\n case 0xd4:\n type = this._view.getInt8(this._offset);\n this._offset += 1;\n if (type === 0x00) {\n this._offset += 1;\n return void 0;\n }\n return [type, this._bin(1)];\n case 0xd5:\n type = this._view.getInt8(this._offset);\n this._offset += 1;\n return [type, this._bin(2)];\n case 0xd6:\n type = this._view.getInt8(this._offset);\n this._offset += 1;\n return [type, this._bin(4)];\n case 0xd7:\n type = this._view.getInt8(this._offset);\n this._offset += 1;\n if (type === 0x00) {\n hi = this._view.getInt32(this._offset) * Math.pow(2, 32);\n lo = this._view.getUint32(this._offset + 4);\n this._offset += 8;\n return new Date(hi + lo);\n }\n return [type, this._bin(8)];\n case 0xd8:\n type = this._view.getInt8(this._offset);\n this._offset += 1;\n return [type, this._bin(16)];\n\n // str\n case 0xd9:\n length = this._view.getUint8(this._offset);\n this._offset += 1;\n return this._str(length);\n case 0xda:\n length = this._view.getUint16(this._offset);\n this._offset += 2;\n return this._str(length);\n case 0xdb:\n length = this._view.getUint32(this._offset);\n this._offset += 4;\n return this._str(length);\n\n // array\n case 0xdc:\n length = this._view.getUint16(this._offset);\n this._offset += 2;\n return this._array(length);\n case 0xdd:\n length = this._view.getUint32(this._offset);\n this._offset += 4;\n return this._array(length);\n\n // map\n case 0xde:\n length = this._view.getUint16(this._offset);\n this._offset += 2;\n return this._map(length);\n case 0xdf:\n length = this._view.getUint32(this._offset);\n this._offset += 4;\n return this._map(length);\n }\n\n throw new Error('Could not parse');\n};\n\nfunction decode(buffer) {\n var decoder = new Decoder(buffer);\n var value = decoder._parse();\n if (decoder._offset !== buffer.byteLength) {\n throw new Error((buffer.byteLength - decoder._offset) + ' trailing bytes');\n }\n return value;\n}\n\nmodule.exports = decode;\n","exports.encode = require('./encode');\nexports.decode = require('./decode');\n","\r\n/**\r\n * Expose `Emitter`.\r\n */\r\n\r\nif (typeof module !== 'undefined') {\r\n module.exports = Emitter;\r\n}\r\n\r\n/**\r\n * Initialize a new `Emitter`.\r\n *\r\n * @api public\r\n */\r\n\r\nfunction Emitter(obj) {\r\n if (obj) return mixin(obj);\r\n};\r\n\r\n/**\r\n * Mixin the emitter properties.\r\n *\r\n * @param {Object} obj\r\n * @return {Object}\r\n * @api private\r\n */\r\n\r\nfunction mixin(obj) {\r\n for (var key in Emitter.prototype) {\r\n obj[key] = Emitter.prototype[key];\r\n }\r\n return obj;\r\n}\r\n\r\n/**\r\n * Listen on the given `event` with `fn`.\r\n *\r\n * @param {String} event\r\n * @param {Function} fn\r\n * @return {Emitter}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.on =\r\nEmitter.prototype.addEventListener = function(event, fn){\r\n this._callbacks = this._callbacks || {};\r\n (this._callbacks['$' + event] = this._callbacks['$' + event] || [])\r\n .push(fn);\r\n return this;\r\n};\r\n\r\n/**\r\n * Adds an `event` listener that will be invoked a single\r\n * time then automatically removed.\r\n *\r\n * @param {String} event\r\n * @param {Function} fn\r\n * @return {Emitter}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.once = function(event, fn){\r\n function on() {\r\n this.off(event, on);\r\n fn.apply(this, arguments);\r\n }\r\n\r\n on.fn = fn;\r\n this.on(event, on);\r\n return this;\r\n};\r\n\r\n/**\r\n * Remove the given callback for `event` or all\r\n * registered callbacks.\r\n *\r\n * @param {String} event\r\n * @param {Function} fn\r\n * @return {Emitter}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.off =\r\nEmitter.prototype.removeListener =\r\nEmitter.prototype.removeAllListeners =\r\nEmitter.prototype.removeEventListener = function(event, fn){\r\n this._callbacks = this._callbacks || {};\r\n\r\n // all\r\n if (0 == arguments.length) {\r\n this._callbacks = {};\r\n return this;\r\n }\r\n\r\n // specific event\r\n var callbacks = this._callbacks['$' + event];\r\n if (!callbacks) return this;\r\n\r\n // remove all handlers\r\n if (1 == arguments.length) {\r\n delete this._callbacks['$' + event];\r\n return this;\r\n }\r\n\r\n // remove specific handler\r\n var cb;\r\n for (var i = 0; i < callbacks.length; i++) {\r\n cb = callbacks[i];\r\n if (cb === fn || cb.fn === fn) {\r\n callbacks.splice(i, 1);\r\n break;\r\n }\r\n }\r\n\r\n // Remove event specific arrays for event types that no\r\n // one is subscribed for to avoid memory leak.\r\n if (callbacks.length === 0) {\r\n delete this._callbacks['$' + event];\r\n }\r\n\r\n return this;\r\n};\r\n\r\n/**\r\n * Emit `event` with the given args.\r\n *\r\n * @param {String} event\r\n * @param {Mixed} ...\r\n * @return {Emitter}\r\n */\r\n\r\nEmitter.prototype.emit = function(event){\r\n this._callbacks = this._callbacks || {};\r\n\r\n var args = new Array(arguments.length - 1)\r\n , callbacks = this._callbacks['$' + event];\r\n\r\n for (var i = 1; i < arguments.length; i++) {\r\n args[i - 1] = arguments[i];\r\n }\r\n\r\n if (callbacks) {\r\n callbacks = callbacks.slice(0);\r\n for (var i = 0, len = callbacks.length; i < len; ++i) {\r\n callbacks[i].apply(this, args);\r\n }\r\n }\r\n\r\n return this;\r\n};\r\n\r\n/**\r\n * Return array of callbacks for `event`.\r\n *\r\n * @param {String} event\r\n * @return {Array}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.listeners = function(event){\r\n this._callbacks = this._callbacks || {};\r\n return this._callbacks['$' + event] || [];\r\n};\r\n\r\n/**\r\n * Check if this emitter has `event` handlers.\r\n *\r\n * @param {String} event\r\n * @return {Boolean}\r\n * @api public\r\n */\r\n\r\nEmitter.prototype.hasListeners = function(event){\r\n return !! this.listeners(event).length;\r\n};\r\n","var msgpack = require(\"notepack.io\");\nvar Emitter = require(\"component-emitter\");\n\nexports.protocol = 5;\n\n/**\n * Packet types (see https://github.com/socketio/socket.io-protocol)\n */\n\nvar PacketType = (exports.PacketType = {\n CONNECT: 0,\n DISCONNECT: 1,\n EVENT: 2,\n ACK: 3,\n CONNECT_ERROR: 4,\n});\n\nvar isInteger =\n Number.isInteger ||\n function (value) {\n return (\n typeof value === \"number\" &&\n isFinite(value) &&\n Math.floor(value) === value\n );\n };\n\nvar isString = function (value) {\n return typeof value === \"string\";\n};\n\nvar isObject = function (value) {\n return Object.prototype.toString.call(value) === \"[object Object]\";\n};\n\nfunction Encoder() {}\n\nEncoder.prototype.encode = function (packet) {\n return [msgpack.encode(packet)];\n};\n\nfunction Decoder() {}\n\nEmitter(Decoder.prototype);\n\nDecoder.prototype.add = function (obj) {\n var decoded = msgpack.decode(obj);\n this.checkPacket(decoded);\n this.emit(\"decoded\", decoded);\n};\n\nfunction isDataValid(decoded) {\n switch (decoded.type) {\n case PacketType.CONNECT:\n return decoded.data === undefined || isObject(decoded.data);\n case PacketType.DISCONNECT:\n return decoded.data === undefined;\n case PacketType.CONNECT_ERROR:\n return isString(decoded.data) || isObject(decoded.data);\n default:\n return Array.isArray(decoded.data);\n }\n}\n\nDecoder.prototype.checkPacket = function (decoded) {\n var isTypeValid =\n isInteger(decoded.type) &&\n decoded.type >= PacketType.CONNECT &&\n decoded.type <= PacketType.CONNECT_ERROR;\n if (!isTypeValid) {\n throw new Error(\"invalid packet type\");\n }\n\n if (!isString(decoded.nsp)) {\n throw new Error(\"invalid namespace\");\n }\n\n if (!isDataValid(decoded)) {\n throw new Error(\"invalid payload\");\n }\n\n var isAckValid = decoded.id === undefined || isInteger(decoded.id);\n if (!isAckValid) {\n throw new Error(\"invalid packet id\");\n }\n};\n\nDecoder.prototype.destroy = function () {};\n\nexports.Encoder = Encoder;\nexports.Decoder = Decoder;\n","export function on(obj, ev, fn) {\n obj.on(ev, fn);\n return function subDestroy() {\n obj.off(ev, fn);\n };\n}\n","import { PacketType } from \"socket.io-parser\";\nimport { on } from \"./on.js\";\nimport { Emitter, } from \"@socket.io/component-emitter\";\n/**\n * Internal events.\n * These events can't be emitted by the user.\n */\nconst RESERVED_EVENTS = Object.freeze({\n connect: 1,\n connect_error: 1,\n disconnect: 1,\n disconnecting: 1,\n // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener\n newListener: 1,\n removeListener: 1,\n});\n/**\n * A Socket is the fundamental class for interacting with the server.\n *\n * A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(\"connected\");\n * });\n *\n * // send an event to the server\n * socket.emit(\"foo\", \"bar\");\n *\n * socket.on(\"foobar\", () => {\n * // an event was received from the server\n * });\n *\n * // upon disconnection\n * socket.on(\"disconnect\", (reason) => {\n * console.log(`disconnected due to ${reason}`);\n * });\n */\nexport class Socket extends Emitter {\n /**\n * `Socket` constructor.\n */\n constructor(io, nsp, opts) {\n super();\n /**\n * Whether the socket is currently connected to the server.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(socket.connected); // true\n * });\n *\n * socket.on(\"disconnect\", () => {\n * console.log(socket.connected); // false\n * });\n */\n this.connected = false;\n /**\n * Whether the connection state was recovered after a temporary disconnection. In that case, any missed packets will\n * be transmitted by the server.\n */\n this.recovered = false;\n /**\n * Buffer for packets received before the CONNECT packet\n */\n this.receiveBuffer = [];\n /**\n * Buffer for packets that will be sent once the socket is connected\n */\n this.sendBuffer = [];\n /**\n * The queue of packets to be sent with retry in case of failure.\n *\n * Packets are sent one by one, each waiting for the server acknowledgement, in order to guarantee the delivery order.\n * @private\n */\n this._queue = [];\n /**\n * A sequence to generate the ID of the {@link QueuedPacket}.\n * @private\n */\n this._queueSeq = 0;\n this.ids = 0;\n this.acks = {};\n this.flags = {};\n this.io = io;\n this.nsp = nsp;\n if (opts && opts.auth) {\n this.auth = opts.auth;\n }\n this._opts = Object.assign({}, opts);\n if (this.io._autoConnect)\n this.open();\n }\n /**\n * Whether the socket is currently disconnected\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"connect\", () => {\n * console.log(socket.disconnected); // false\n * });\n *\n * socket.on(\"disconnect\", () => {\n * console.log(socket.disconnected); // true\n * });\n */\n get disconnected() {\n return !this.connected;\n }\n /**\n * Subscribe to open, close and packet events\n *\n * @private\n */\n subEvents() {\n if (this.subs)\n return;\n const io = this.io;\n this.subs = [\n on(io, \"open\", this.onopen.bind(this)),\n on(io, \"packet\", this.onpacket.bind(this)),\n on(io, \"error\", this.onerror.bind(this)),\n on(io, \"close\", this.onclose.bind(this)),\n ];\n }\n /**\n * Whether the Socket will try to reconnect when its Manager connects or reconnects.\n *\n * @example\n * const socket = io();\n *\n * console.log(socket.active); // true\n *\n * socket.on(\"disconnect\", (reason) => {\n * if (reason === \"io server disconnect\") {\n * // the disconnection was initiated by the server, you need to manually reconnect\n * console.log(socket.active); // false\n * }\n * // else the socket will automatically try to reconnect\n * console.log(socket.active); // true\n * });\n */\n get active() {\n return !!this.subs;\n }\n /**\n * \"Opens\" the socket.\n *\n * @example\n * const socket = io({\n * autoConnect: false\n * });\n *\n * socket.connect();\n */\n connect() {\n if (this.connected)\n return this;\n this.subEvents();\n if (!this.io[\"_reconnecting\"])\n this.io.open(); // ensure open\n if (\"open\" === this.io._readyState)\n this.onopen();\n return this;\n }\n /**\n * Alias for {@link connect()}.\n */\n open() {\n return this.connect();\n }\n /**\n * Sends a `message` event.\n *\n * This method mimics the WebSocket.send() method.\n *\n * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send\n *\n * @example\n * socket.send(\"hello\");\n *\n * // this is equivalent to\n * socket.emit(\"message\", \"hello\");\n *\n * @return self\n */\n send(...args) {\n args.unshift(\"message\");\n this.emit.apply(this, args);\n return this;\n }\n /**\n * Override `emit`.\n * If the event is in `events`, it's emitted normally.\n *\n * @example\n * socket.emit(\"hello\", \"world\");\n *\n * // all serializable datastructures are supported (no need to call JSON.stringify)\n * socket.emit(\"hello\", 1, \"2\", { 3: [\"4\"], 5: Uint8Array.from([6]) });\n *\n * // with an acknowledgement from the server\n * socket.emit(\"hello\", \"world\", (val) => {\n * // ...\n * });\n *\n * @return self\n */\n emit(ev, ...args) {\n if (RESERVED_EVENTS.hasOwnProperty(ev)) {\n throw new Error('\"' + ev.toString() + '\" is a reserved event name');\n }\n args.unshift(ev);\n if (this._opts.retries && !this.flags.fromQueue && !this.flags.volatile) {\n this._addToQueue(args);\n return this;\n }\n const packet = {\n type: PacketType.EVENT,\n data: args,\n };\n packet.options = {};\n packet.options.compress = this.flags.compress !== false;\n // event ack callback\n if (\"function\" === typeof args[args.length - 1]) {\n const id = this.ids++;\n const ack = args.pop();\n this._registerAckCallback(id, ack);\n packet.id = id;\n }\n const isTransportWritable = this.io.engine &&\n this.io.engine.transport &&\n this.io.engine.transport.writable;\n const discardPacket = this.flags.volatile && (!isTransportWritable || !this.connected);\n if (discardPacket) {\n }\n else if (this.connected) {\n this.notifyOutgoingListeners(packet);\n this.packet(packet);\n }\n else {\n this.sendBuffer.push(packet);\n }\n this.flags = {};\n return this;\n }\n /**\n * @private\n */\n _registerAckCallback(id, ack) {\n var _a;\n const timeout = (_a = this.flags.timeout) !== null && _a !== void 0 ? _a : this._opts.ackTimeout;\n if (timeout === undefined) {\n this.acks[id] = ack;\n return;\n }\n // @ts-ignore\n const timer = this.io.setTimeoutFn(() => {\n delete this.acks[id];\n for (let i = 0; i < this.sendBuffer.length; i++) {\n if (this.sendBuffer[i].id === id) {\n this.sendBuffer.splice(i, 1);\n }\n }\n ack.call(this, new Error(\"operation has timed out\"));\n }, timeout);\n this.acks[id] = (...args) => {\n // @ts-ignore\n this.io.clearTimeoutFn(timer);\n ack.apply(this, [null, ...args]);\n };\n }\n /**\n * Emits an event and waits for an acknowledgement\n *\n * @example\n * // without timeout\n * const response = await socket.emitWithAck(\"hello\", \"world\");\n *\n * // with a specific timeout\n * try {\n * const response = await socket.timeout(1000).emitWithAck(\"hello\", \"world\");\n * } catch (err) {\n * // the server did not acknowledge the event in the given delay\n * }\n *\n * @return a Promise that will be fulfilled when the server acknowledges the event\n */\n emitWithAck(ev, ...args) {\n // the timeout flag is optional\n const withErr = this.flags.timeout !== undefined || this._opts.ackTimeout !== undefined;\n return new Promise((resolve, reject) => {\n args.push((arg1, arg2) => {\n if (withErr) {\n return arg1 ? reject(arg1) : resolve(arg2);\n }\n else {\n return resolve(arg1);\n }\n });\n this.emit(ev, ...args);\n });\n }\n /**\n * Add the packet to the queue.\n * @param args\n * @private\n */\n _addToQueue(args) {\n let ack;\n if (typeof args[args.length - 1] === \"function\") {\n ack = args.pop();\n }\n const packet = {\n id: this._queueSeq++,\n tryCount: 0,\n pending: false,\n args,\n flags: Object.assign({ fromQueue: true }, this.flags),\n };\n args.push((err, ...responseArgs) => {\n if (packet !== this._queue[0]) {\n // the packet has already been acknowledged\n return;\n }\n const hasError = err !== null;\n if (hasError) {\n if (packet.tryCount > this._opts.retries) {\n this._queue.shift();\n if (ack) {\n ack(err);\n }\n }\n }\n else {\n this._queue.shift();\n if (ack) {\n ack(null, ...responseArgs);\n }\n }\n packet.pending = false;\n return this._drainQueue();\n });\n this._queue.push(packet);\n this._drainQueue();\n }\n /**\n * Send the first packet of the queue, and wait for an acknowledgement from the server.\n * @param force - whether to resend a packet that has not been acknowledged yet\n *\n * @private\n */\n _drainQueue(force = false) {\n if (!this.connected || this._queue.length === 0) {\n return;\n }\n const packet = this._queue[0];\n if (packet.pending && !force) {\n return;\n }\n packet.pending = true;\n packet.tryCount++;\n this.flags = packet.flags;\n this.emit.apply(this, packet.args);\n }\n /**\n * Sends a packet.\n *\n * @param packet\n * @private\n */\n packet(packet) {\n packet.nsp = this.nsp;\n this.io._packet(packet);\n }\n /**\n * Called upon engine `open`.\n *\n * @private\n */\n onopen() {\n if (typeof this.auth == \"function\") {\n this.auth((data) => {\n this._sendConnectPacket(data);\n });\n }\n else {\n this._sendConnectPacket(this.auth);\n }\n }\n /**\n * Sends a CONNECT packet to initiate the Socket.IO session.\n *\n * @param data\n * @private\n */\n _sendConnectPacket(data) {\n this.packet({\n type: PacketType.CONNECT,\n data: this._pid\n ? Object.assign({ pid: this._pid, offset: this._lastOffset }, data)\n : data,\n });\n }\n /**\n * Called upon engine or manager `error`.\n *\n * @param err\n * @private\n */\n onerror(err) {\n if (!this.connected) {\n this.emitReserved(\"connect_error\", err);\n }\n }\n /**\n * Called upon engine `close`.\n *\n * @param reason\n * @param description\n * @private\n */\n onclose(reason, description) {\n this.connected = false;\n delete this.id;\n this.emitReserved(\"disconnect\", reason, description);\n }\n /**\n * Called with socket packet.\n *\n * @param packet\n * @private\n */\n onpacket(packet) {\n const sameNamespace = packet.nsp === this.nsp;\n if (!sameNamespace)\n return;\n switch (packet.type) {\n case PacketType.CONNECT:\n if (packet.data && packet.data.sid) {\n this.onconnect(packet.data.sid, packet.data.pid);\n }\n else {\n this.emitReserved(\"connect_error\", new Error(\"It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)\"));\n }\n break;\n case PacketType.EVENT:\n case PacketType.BINARY_EVENT:\n this.onevent(packet);\n break;\n case PacketType.ACK:\n case PacketType.BINARY_ACK:\n this.onack(packet);\n break;\n case PacketType.DISCONNECT:\n this.ondisconnect();\n break;\n case PacketType.CONNECT_ERROR:\n this.destroy();\n const err = new Error(packet.data.message);\n // @ts-ignore\n err.data = packet.data.data;\n this.emitReserved(\"connect_error\", err);\n break;\n }\n }\n /**\n * Called upon a server event.\n *\n * @param packet\n * @private\n */\n onevent(packet) {\n const args = packet.data || [];\n if (null != packet.id) {\n args.push(this.ack(packet.id));\n }\n if (this.connected) {\n this.emitEvent(args);\n }\n else {\n this.receiveBuffer.push(Object.freeze(args));\n }\n }\n emitEvent(args) {\n if (this._anyListeners && this._anyListeners.length) {\n const listeners = this._anyListeners.slice();\n for (const listener of listeners) {\n listener.apply(this, args);\n }\n }\n super.emit.apply(this, args);\n if (this._pid && args.length && typeof args[args.length - 1] === \"string\") {\n this._lastOffset = args[args.length - 1];\n }\n }\n /**\n * Produces an ack callback to emit with an event.\n *\n * @private\n */\n ack(id) {\n const self = this;\n let sent = false;\n return function (...args) {\n // prevent double callbacks\n if (sent)\n return;\n sent = true;\n self.packet({\n type: PacketType.ACK,\n id: id,\n data: args,\n });\n };\n }\n /**\n * Called upon a server acknowlegement.\n *\n * @param packet\n * @private\n */\n onack(packet) {\n const ack = this.acks[packet.id];\n if (\"function\" === typeof ack) {\n ack.apply(this, packet.data);\n delete this.acks[packet.id];\n }\n else {\n }\n }\n /**\n * Called upon server connect.\n *\n * @private\n */\n onconnect(id, pid) {\n this.id = id;\n this.recovered = pid && this._pid === pid;\n this._pid = pid; // defined only if connection state recovery is enabled\n this.connected = true;\n this.emitBuffered();\n this.emitReserved(\"connect\");\n this._drainQueue(true);\n }\n /**\n * Emit buffered events (received and emitted).\n *\n * @private\n */\n emitBuffered() {\n this.receiveBuffer.forEach((args) => this.emitEvent(args));\n this.receiveBuffer = [];\n this.sendBuffer.forEach((packet) => {\n this.notifyOutgoingListeners(packet);\n this.packet(packet);\n });\n this.sendBuffer = [];\n }\n /**\n * Called upon server disconnect.\n *\n * @private\n */\n ondisconnect() {\n this.destroy();\n this.onclose(\"io server disconnect\");\n }\n /**\n * Called upon forced client/server side disconnections,\n * this method ensures the manager stops tracking us and\n * that reconnections don't get triggered for this.\n *\n * @private\n */\n destroy() {\n if (this.subs) {\n // clean subscriptions to avoid reconnections\n this.subs.forEach((subDestroy) => subDestroy());\n this.subs = undefined;\n }\n this.io[\"_destroy\"](this);\n }\n /**\n * Disconnects the socket manually. In that case, the socket will not try to reconnect.\n *\n * If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed.\n *\n * @example\n * const socket = io();\n *\n * socket.on(\"disconnect\", (reason) => {\n * // console.log(reason); prints \"io client disconnect\"\n * });\n *\n * socket.disconnect();\n *\n * @return self\n */\n disconnect() {\n if (this.connected) {\n this.packet({ type: PacketType.DISCONNECT });\n }\n // remove socket from pool\n this.destroy();\n if (this.connected) {\n // fire events\n this.onclose(\"io client disconnect\");\n }\n return this;\n }\n /**\n * Alias for {@link disconnect()}.\n *\n * @return self\n */\n close() {\n return this.disconnect();\n }\n /**\n * Sets the compress flag.\n *\n * @example\n * socket.compress(false).emit(\"hello\");\n *\n * @param compress - if `true`, compresses the sending data\n * @return self\n */\n compress(compress) {\n this.flags.compress = compress;\n return this;\n }\n /**\n * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not\n * ready to send messages.\n *\n * @example\n * socket.volatile.emit(\"hello\"); // the server may or may not receive it\n *\n * @returns self\n */\n get volatile() {\n this.flags.volatile = true;\n return this;\n }\n /**\n * Sets a modifier for a subsequent event emission that the callback will be called with an error when the\n * given number of milliseconds have elapsed without an acknowledgement from the server:\n *\n * @example\n * socket.timeout(5000).emit(\"my-event\", (err) => {\n * if (err) {\n * // the server did not acknowledge the event in the given delay\n * }\n * });\n *\n * @returns self\n */\n timeout(timeout) {\n this.flags.timeout = timeout;\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback.\n *\n * @example\n * socket.onAny((event, ...args) => {\n * console.log(`got ${event}`);\n * });\n *\n * @param listener\n */\n onAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.push(listener);\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback. The listener is added to the beginning of the listeners array.\n *\n * @example\n * socket.prependAny((event, ...args) => {\n * console.log(`got event ${event}`);\n * });\n *\n * @param listener\n */\n prependAny(listener) {\n this._anyListeners = this._anyListeners || [];\n this._anyListeners.unshift(listener);\n return this;\n }\n /**\n * Removes the listener that will be fired when any event is emitted.\n *\n * @example\n * const catchAllListener = (event, ...args) => {\n * console.log(`got event ${event}`);\n * }\n *\n * socket.onAny(catchAllListener);\n *\n * // remove a specific listener\n * socket.offAny(catchAllListener);\n *\n * // or remove all listeners\n * socket.offAny();\n *\n * @param listener\n */\n offAny(listener) {\n if (!this._anyListeners) {\n return this;\n }\n if (listener) {\n const listeners = this._anyListeners;\n for (let i = 0; i < listeners.length; i++) {\n if (listener === listeners[i]) {\n listeners.splice(i, 1);\n return this;\n }\n }\n }\n else {\n this._anyListeners = [];\n }\n return this;\n }\n /**\n * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,\n * e.g. to remove listeners.\n */\n listenersAny() {\n return this._anyListeners || [];\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback.\n *\n * Note: acknowledgements sent to the server are not included.\n *\n * @example\n * socket.onAnyOutgoing((event, ...args) => {\n * console.log(`sent event ${event}`);\n * });\n *\n * @param listener\n */\n onAnyOutgoing(listener) {\n this._anyOutgoingListeners = this._anyOutgoingListeners || [];\n this._anyOutgoingListeners.push(listener);\n return this;\n }\n /**\n * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the\n * callback. The listener is added to the beginning of the listeners array.\n *\n * Note: acknowledgements sent to the server are not included.\n *\n * @example\n * socket.prependAnyOutgoing((event, ...args) => {\n * console.log(`sent event ${event}`);\n * });\n *\n * @param listener\n */\n prependAnyOutgoing(listener) {\n this._anyOutgoingListeners = this._anyOutgoingListeners || [];\n this._anyOutgoingListeners.unshift(listener);\n return this;\n }\n /**\n * Removes the listener that will be fired when any event is emitted.\n *\n * @example\n * const catchAllListener = (event, ...args) => {\n * console.log(`sent event ${event}`);\n * }\n *\n * socket.onAnyOutgoing(catchAllListener);\n *\n * // remove a specific listener\n * socket.offAnyOutgoing(catchAllListener);\n *\n * // or remove all listeners\n * socket.offAnyOutgoing();\n *\n * @param [listener] - the catch-all listener (optional)\n */\n offAnyOutgoing(listener) {\n if (!this._anyOutgoingListeners) {\n return this;\n }\n if (listener) {\n const listeners = this._anyOutgoingListeners;\n for (let i = 0; i < listeners.length; i++) {\n if (listener === listeners[i]) {\n listeners.splice(i, 1);\n return this;\n }\n }\n }\n else {\n this._anyOutgoingListeners = [];\n }\n return this;\n }\n /**\n * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,\n * e.g. to remove listeners.\n */\n listenersAnyOutgoing() {\n return this._anyOutgoingListeners || [];\n }\n /**\n * Notify the listeners for each packet sent\n *\n * @param packet\n *\n * @private\n */\n notifyOutgoingListeners(packet) {\n if (this._anyOutgoingListeners && this._anyOutgoingListeners.length) {\n const listeners = this._anyOutgoingListeners.slice();\n for (const listener of listeners) {\n listener.apply(this, packet.data);\n }\n }\n }\n}\n","/**\n * Initialize backoff timer with `opts`.\n *\n * - `min` initial timeout in milliseconds [100]\n * - `max` max timeout [10000]\n * - `jitter` [0]\n * - `factor` [2]\n *\n * @param {Object} opts\n * @api public\n */\nexport function Backoff(opts) {\n opts = opts || {};\n this.ms = opts.min || 100;\n this.max = opts.max || 10000;\n this.factor = opts.factor || 2;\n this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;\n this.attempts = 0;\n}\n/**\n * Return the backoff duration.\n *\n * @return {Number}\n * @api public\n */\nBackoff.prototype.duration = function () {\n var ms = this.ms * Math.pow(this.factor, this.attempts++);\n if (this.jitter) {\n var rand = Math.random();\n var deviation = Math.floor(rand * this.jitter * ms);\n ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;\n }\n return Math.min(ms, this.max) | 0;\n};\n/**\n * Reset the number of attempts.\n *\n * @api public\n */\nBackoff.prototype.reset = function () {\n this.attempts = 0;\n};\n/**\n * Set the minimum duration\n *\n * @api public\n */\nBackoff.prototype.setMin = function (min) {\n this.ms = min;\n};\n/**\n * Set the maximum duration\n *\n * @api public\n */\nBackoff.prototype.setMax = function (max) {\n this.max = max;\n};\n/**\n * Set the jitter\n *\n * @api public\n */\nBackoff.prototype.setJitter = function (jitter) {\n this.jitter = jitter;\n};\n","import { Socket as Engine, installTimerFunctions, nextTick, } from \"engine.io-client\";\nimport { Socket } from \"./socket.js\";\nimport * as parser from \"socket.io-parser\";\nimport { on } from \"./on.js\";\nimport { Backoff } from \"./contrib/backo2.js\";\nimport { Emitter, } from \"@socket.io/component-emitter\";\nexport class Manager extends Emitter {\n constructor(uri, opts) {\n var _a;\n super();\n this.nsps = {};\n this.subs = [];\n if (uri && \"object\" === typeof uri) {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n opts.path = opts.path || \"/socket.io\";\n this.opts = opts;\n installTimerFunctions(this, opts);\n this.reconnection(opts.reconnection !== false);\n this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);\n this.reconnectionDelay(opts.reconnectionDelay || 1000);\n this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);\n this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5);\n this.backoff = new Backoff({\n min: this.reconnectionDelay(),\n max: this.reconnectionDelayMax(),\n jitter: this.randomizationFactor(),\n });\n this.timeout(null == opts.timeout ? 20000 : opts.timeout);\n this._readyState = \"closed\";\n this.uri = uri;\n const _parser = opts.parser || parser;\n this.encoder = new _parser.Encoder();\n this.decoder = new _parser.Decoder();\n this._autoConnect = opts.autoConnect !== false;\n if (this._autoConnect)\n this.open();\n }\n reconnection(v) {\n if (!arguments.length)\n return this._reconnection;\n this._reconnection = !!v;\n return this;\n }\n reconnectionAttempts(v) {\n if (v === undefined)\n return this._reconnectionAttempts;\n this._reconnectionAttempts = v;\n return this;\n }\n reconnectionDelay(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelay;\n this._reconnectionDelay = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v);\n return this;\n }\n randomizationFactor(v) {\n var _a;\n if (v === undefined)\n return this._randomizationFactor;\n this._randomizationFactor = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v);\n return this;\n }\n reconnectionDelayMax(v) {\n var _a;\n if (v === undefined)\n return this._reconnectionDelayMax;\n this._reconnectionDelayMax = v;\n (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v);\n return this;\n }\n timeout(v) {\n if (!arguments.length)\n return this._timeout;\n this._timeout = v;\n return this;\n }\n /**\n * Starts trying to reconnect if reconnection is enabled and we have not\n * started reconnecting yet\n *\n * @private\n */\n maybeReconnectOnOpen() {\n // Only try to reconnect if it's the first time we're connecting\n if (!this._reconnecting &&\n this._reconnection &&\n this.backoff.attempts === 0) {\n // keeps reconnection from firing twice for the same reconnection loop\n this.reconnect();\n }\n }\n /**\n * Sets the current transport `socket`.\n *\n * @param {Function} fn - optional, callback\n * @return self\n * @public\n */\n open(fn) {\n if (~this._readyState.indexOf(\"open\"))\n return this;\n this.engine = new Engine(this.uri, this.opts);\n const socket = this.engine;\n const self = this;\n this._readyState = \"opening\";\n this.skipReconnect = false;\n // emit `open`\n const openSubDestroy = on(socket, \"open\", function () {\n self.onopen();\n fn && fn();\n });\n const onError = (err) => {\n this.cleanup();\n this._readyState = \"closed\";\n this.emitReserved(\"error\", err);\n if (fn) {\n fn(err);\n }\n else {\n // Only do this if there is no fn to handle the error\n this.maybeReconnectOnOpen();\n }\n };\n // emit `error`\n const errorSub = on(socket, \"error\", onError);\n if (false !== this._timeout) {\n const timeout = this._timeout;\n // set timer\n const timer = this.setTimeoutFn(() => {\n openSubDestroy();\n onError(new Error(\"timeout\"));\n socket.close();\n }, timeout);\n if (this.opts.autoUnref) {\n timer.unref();\n }\n this.subs.push(() => {\n this.clearTimeoutFn(timer);\n });\n }\n this.subs.push(openSubDestroy);\n this.subs.push(errorSub);\n return this;\n }\n /**\n * Alias for open()\n *\n * @return self\n * @public\n */\n connect(fn) {\n return this.open(fn);\n }\n /**\n * Called upon transport open.\n *\n * @private\n */\n onopen() {\n // clear old subs\n this.cleanup();\n // mark as open\n this._readyState = \"open\";\n this.emitReserved(\"open\");\n // add new subs\n const socket = this.engine;\n this.subs.push(on(socket, \"ping\", this.onping.bind(this)), on(socket, \"data\", this.ondata.bind(this)), on(socket, \"error\", this.onerror.bind(this)), on(socket, \"close\", this.onclose.bind(this)), on(this.decoder, \"decoded\", this.ondecoded.bind(this)));\n }\n /**\n * Called upon a ping.\n *\n * @private\n */\n onping() {\n this.emitReserved(\"ping\");\n }\n /**\n * Called with data.\n *\n * @private\n */\n ondata(data) {\n try {\n this.decoder.add(data);\n }\n catch (e) {\n this.onclose(\"parse error\", e);\n }\n }\n /**\n * Called when parser fully decodes a packet.\n *\n * @private\n */\n ondecoded(packet) {\n // the nextTick call prevents an exception in a user-provided event listener from triggering a disconnection due to a \"parse error\"\n nextTick(() => {\n this.emitReserved(\"packet\", packet);\n }, this.setTimeoutFn);\n }\n /**\n * Called upon socket error.\n *\n * @private\n */\n onerror(err) {\n this.emitReserved(\"error\", err);\n }\n /**\n * Creates a new socket for the given `nsp`.\n *\n * @return {Socket}\n * @public\n */\n socket(nsp, opts) {\n let socket = this.nsps[nsp];\n if (!socket) {\n socket = new Socket(this, nsp, opts);\n this.nsps[nsp] = socket;\n }\n else if (this._autoConnect && !socket.active) {\n socket.connect();\n }\n return socket;\n }\n /**\n * Called upon a socket close.\n *\n * @param socket\n * @private\n */\n _destroy(socket) {\n const nsps = Object.keys(this.nsps);\n for (const nsp of nsps) {\n const socket = this.nsps[nsp];\n if (socket.active) {\n return;\n }\n }\n this._close();\n }\n /**\n * Writes a packet.\n *\n * @param packet\n * @private\n */\n _packet(packet) {\n const encodedPackets = this.encoder.encode(packet);\n for (let i = 0; i < encodedPackets.length; i++) {\n this.engine.write(encodedPackets[i], packet.options);\n }\n }\n /**\n * Clean up transport subscriptions and packet buffer.\n *\n * @private\n */\n cleanup() {\n this.subs.forEach((subDestroy) => subDestroy());\n this.subs.length = 0;\n this.decoder.destroy();\n }\n /**\n * Close the current socket.\n *\n * @private\n */\n _close() {\n this.skipReconnect = true;\n this._reconnecting = false;\n this.onclose(\"forced close\");\n if (this.engine)\n this.engine.close();\n }\n /**\n * Alias for close()\n *\n * @private\n */\n disconnect() {\n return this._close();\n }\n /**\n * Called upon engine close.\n *\n * @private\n */\n onclose(reason, description) {\n this.cleanup();\n this.backoff.reset();\n this._readyState = \"closed\";\n this.emitReserved(\"close\", reason, description);\n if (this._reconnection && !this.skipReconnect) {\n this.reconnect();\n }\n }\n /**\n * Attempt a reconnection.\n *\n * @private\n */\n reconnect() {\n if (this._reconnecting || this.skipReconnect)\n return this;\n const self = this;\n if (this.backoff.attempts >= this._reconnectionAttempts) {\n this.backoff.reset();\n this.emitReserved(\"reconnect_failed\");\n this._reconnecting = false;\n }\n else {\n const delay = this.backoff.duration();\n this._reconnecting = true;\n const timer = this.setTimeoutFn(() => {\n if (self.skipReconnect)\n return;\n this.emitReserved(\"reconnect_attempt\", self.backoff.attempts);\n // check again for the case socket closed in above events\n if (self.skipReconnect)\n return;\n self.open((err) => {\n if (err) {\n self._reconnecting = false;\n self.reconnect();\n this.emitReserved(\"reconnect_error\", err);\n }\n else {\n self.onreconnect();\n }\n });\n }, delay);\n if (this.opts.autoUnref) {\n timer.unref();\n }\n this.subs.push(() => {\n this.clearTimeoutFn(timer);\n });\n }\n }\n /**\n * Called upon successful reconnect.\n *\n * @private\n */\n onreconnect() {\n const attempt = this.backoff.attempts;\n this._reconnecting = false;\n this.backoff.reset();\n this.emitReserved(\"reconnect\", attempt);\n }\n}\n","import { url } from \"./url.js\";\nimport { Manager } from \"./manager.js\";\nimport { Socket } from \"./socket.js\";\n/**\n * Managers cache.\n */\nconst cache = {};\nfunction lookup(uri, opts) {\n if (typeof uri === \"object\") {\n opts = uri;\n uri = undefined;\n }\n opts = opts || {};\n const parsed = url(uri, opts.path || \"/socket.io\");\n const source = parsed.source;\n const id = parsed.id;\n const path = parsed.path;\n const sameNamespace = cache[id] && path in cache[id][\"nsps\"];\n const newConnection = opts.forceNew ||\n opts[\"force new connection\"] ||\n false === opts.multiplex ||\n sameNamespace;\n let io;\n if (newConnection) {\n io = new Manager(source, opts);\n }\n else {\n if (!cache[id]) {\n cache[id] = new Manager(source, opts);\n }\n io = cache[id];\n }\n if (parsed.query && !opts.query) {\n opts.query = parsed.queryKey;\n }\n return io.socket(parsed.path, opts);\n}\n// so that \"lookup\" can be used both as a function (e.g. `io(...)`) and as a\n// namespace (e.g. `io.connect(...)`), for backward compatibility\nObject.assign(lookup, {\n Manager,\n Socket,\n io: lookup,\n connect: lookup,\n});\n/**\n * Protocol version.\n *\n * @public\n */\nexport { protocol } from \"socket.io-parser\";\n/**\n * Expose constructors for standalone build.\n *\n * @public\n */\nexport { Manager, Socket, lookup as io, lookup as connect, lookup as default, };\n","import { parse } from \"engine.io-client\";\n/**\n * URL parser.\n *\n * @param uri - url\n * @param path - the request path of the connection\n * @param loc - An object meant to mimic window.location.\n * Defaults to window.location.\n * @public\n */\nexport function url(uri, path = \"\", loc) {\n let obj = uri;\n // default to window.location\n loc = loc || (typeof location !== \"undefined\" && location);\n if (null == uri)\n uri = loc.protocol + \"//\" + loc.host;\n // relative path support\n if (typeof uri === \"string\") {\n if (\"/\" === uri.charAt(0)) {\n if (\"/\" === uri.charAt(1)) {\n uri = loc.protocol + uri;\n }\n else {\n uri = loc.host + uri;\n }\n }\n if (!/^(https?|wss?):\\/\\//.test(uri)) {\n if (\"undefined\" !== typeof loc) {\n uri = loc.protocol + \"//\" + uri;\n }\n else {\n uri = \"https://\" + uri;\n }\n }\n // parse\n obj = parse(uri);\n }\n // make sure we treat `localhost:80` and `localhost` equally\n if (!obj.port) {\n if (/^(http|ws)$/.test(obj.protocol)) {\n obj.port = \"80\";\n }\n else if (/^(http|ws)s$/.test(obj.protocol)) {\n obj.port = \"443\";\n }\n }\n obj.path = obj.path || \"/\";\n const ipv6 = obj.host.indexOf(\":\") !== -1;\n const host = ipv6 ? \"[\" + obj.host + \"]\" : obj.host;\n // define unique id\n obj.id = obj.protocol + \"://\" + host + \":\" + obj.port + path;\n // define href\n obj.href =\n obj.protocol +\n \"://\" +\n host +\n (loc && loc.port === 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\ No newline at end of file diff --git a/examples/axum-echo/node_modules/socket.io-client/package.json b/examples/axum-echo/node_modules/socket.io-client/package.json deleted file mode 100644 index 7043550c..00000000 --- a/examples/axum-echo/node_modules/socket.io-client/package.json +++ /dev/null @@ -1,136 +0,0 @@ -{ - "name": "socket.io-client", - "version": "4.7.4", - "description": "Realtime application framework client", - "keywords": [ - "realtime", - "framework", - "websocket", - "tcp", - "events", - "client" - ], - "files": [ - "dist/", - "build/" - ], - "type": "commonjs", - "main": "./build/cjs/index.js", - "module": "./build/esm/index.js", - "exports": { - "./package.json": "./package.json", - "./dist/socket.io.js": "./dist/socket.io.js", - "./dist/socket.io.js.map": "./dist/socket.io.js.map", - ".": { - "import": { - "types": "./build/esm/index.d.ts", - "node": "./build/esm-debug/index.js", - "default": "./build/esm/index.js" - }, - "require": { - "types": "./build/cjs/index.d.ts", - "default": "./build/cjs/index.js" - } - }, - "./debug": { - "import": { - "types": "./build/esm/index.d.ts", - "default": "./build/esm-debug/index.js" - }, - "require": { - "types": "./build/cjs/index.d.ts", - "default": "./build/cjs/index.js" - } - } - }, - "types": "./build/esm/index.d.ts", - "dependencies": { - "@socket.io/component-emitter": "~3.1.0", - "debug": "~4.3.2", - "engine.io-client": "~6.5.2", - "socket.io-parser": "~4.2.4" - }, - "devDependencies": { - "@babel/core": "^7.15.0", - "@babel/plugin-transform-object-assign": "^7.14.5", - "@babel/preset-env": "^7.15.0", - "@babel/register": "^7.18.9", - "@rollup/plugin-alias": "^3.1.5", - "@rollup/plugin-babel": "^5.3.0", - "@rollup/plugin-commonjs": "^21.0.0", - "@rollup/plugin-node-resolve": "^13.0.5", - "@sinonjs/fake-timers": "^7.1.2", - "@types/mocha": "^9.0.0", - "@types/node": "^16.7.6", - "@types/sinonjs__fake-timers": "^6.0.3", - "@wdio/cli": "^7.26.0", - "@wdio/local-runner": "^7.26.0", - "@wdio/mocha-framework": "^7.26.0", - "@wdio/sauce-service": "^7.26.0", - "@wdio/spec-reporter": "^7.26.0", - "babel-eslint": "^10.1.0", - "babel-loader": "^8.1.0", - "babel-preset-es2015": "6.24.1", - "base64-arraybuffer": "^0.1.5", - "expect.js": "0.3.1", - "has-cors": "^1.1.0", - "mocha": "^10.1.0", - "prettier": "^2.3.2", - "rimraf": "^3.0.2", - "rollup": "^2.58.0", - "rollup-plugin-terser": "^7.0.2", - "socket.io": "^4.6.0-alpha1", - "socket.io-msgpack-parser": "^3.0.0", - "text-blob-builder": "0.0.1", - "ts-loader": "^8.3.0", - "ts-node": "^10.2.1", - "tsd": "^0.17.0", - "typescript": "^4.4.2" - }, - "scripts": { - "compile": "rimraf ./build && tsc && tsc -p tsconfig.esm.json && ./postcompile.sh", - "test": "npm run format:check && npm run compile && if test \"$BROWSERS\" = \"1\" ; then npm run test:browser; else npm run test:node; fi", - "test:node": "mocha --require ts-node/register --reporter dot --require test/support/hooks.ts --timeout 5000 --exit test/index.ts", - "test:browser": "ts-node test/browser-runner.ts", - "test:types": "tsd", - "build": "rollup -c support/rollup.config.umd.js && rollup -c support/rollup.config.esm.js && rollup -c support/rollup.config.umd.msgpack.js", - "format:check": "prettier --check \"*.js\" \"lib/**/*.ts\" \"test/**/*.ts\" \"support/**/*.js\"", - "format:fix": "prettier --write \"*.js\" \"lib/**/*.ts\" \"test/**/*.ts\" \"support/**/*.js\"", - "prepack": "npm run compile" - }, - "contributors": [ - { - "name": "Guillermo Rauch", - "email": "rauchg@gmail.com" - }, - { - "name": "Arnout Kazemier", - "email": "info@3rd-eden.com" - }, - { - "name": "Vladimir Dronnikov", - "email": "dronnikov@gmail.com" - }, - { - "name": "Einar Otto Stangvik", - "email": "einaros@gmail.com" - } - ], - "repository": { - "type": "git", - "url": "https://github.com/socketio/socket.io-client.git" - }, - "license": "MIT", - "engines": { - "node": ">=10.0.0" - }, - "tsd": { - "directory": "test" - }, - "browser": { - "./test/node.ts": false - }, - "overrides": { - "@types/estree": "0.0.52" - } -} diff --git a/examples/axum-echo/node_modules/socket.io-parser/LICENSE b/examples/axum-echo/node_modules/socket.io-parser/LICENSE deleted file mode 100644 index 7e43606b..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/LICENSE +++ /dev/null @@ -1,20 +0,0 @@ -(The MIT License) - -Copyright (c) 2014 Guillermo Rauch - -Permission is hereby granted, free of charge, to any person obtaining a copy of -this software and associated documentation files (the 'Software'), to deal in -the Software without restriction, including without limitation the rights to -use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of -the Software, and to permit persons to whom the Software is furnished to do so, -subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS -FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR -COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER -IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/examples/axum-echo/node_modules/socket.io-parser/Readme.md b/examples/axum-echo/node_modules/socket.io-parser/Readme.md deleted file mode 100644 index e4f6a8af..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/Readme.md +++ /dev/null @@ -1,81 +0,0 @@ - -# socket.io-parser - -[![Build Status](https://github.com/socketio/socket.io-parser/workflows/CI/badge.svg)](https://github.com/socketio/socket.io-parser/actions) -[![NPM version](https://badge.fury.io/js/socket.io-parser.svg)](http://badge.fury.io/js/socket.io-parser) - -A socket.io encoder and decoder written in JavaScript complying with version `5` -of [socket.io-protocol](https://github.com/socketio/socket.io-protocol). -Used by [socket.io](https://github.com/automattic/socket.io) and -[socket.io-client](https://github.com/automattic/socket.io-client). - -Compatibility table: - -| Parser version | Socket.IO server version | Protocol revision | -|----------------| ------------------------ | ----------------- | -| 3.x | 1.x / 2.x | 4 | -| 4.x | 3.x | 5 | - - -## Parser API - - socket.io-parser is the reference implementation of socket.io-protocol. Read - the full API here: - [socket.io-protocol](https://github.com/learnboost/socket.io-protocol). - -## Example Usage - -### Encoding and decoding a packet - -```js -var parser = require('socket.io-parser'); -var encoder = new parser.Encoder(); -var packet = { - type: parser.EVENT, - data: 'test-packet', - id: 13 -}; -encoder.encode(packet, function(encodedPackets) { - var decoder = new parser.Decoder(); - decoder.on('decoded', function(decodedPacket) { - // decodedPacket.type == parser.EVENT - // decodedPacket.data == 'test-packet' - // decodedPacket.id == 13 - }); - - for (var i = 0; i < encodedPackets.length; i++) { - decoder.add(encodedPackets[i]); - } -}); -``` - -### Encoding and decoding a packet with binary data - -```js -var parser = require('socket.io-parser'); -var encoder = new parser.Encoder(); -var packet = { - type: parser.BINARY_EVENT, - data: {i: new Buffer(1234), j: new Blob([new ArrayBuffer(2)])}, - id: 15 -}; -encoder.encode(packet, function(encodedPackets) { - var decoder = new parser.Decoder(); - decoder.on('decoded', function(decodedPacket) { - // decodedPacket.type == parser.BINARY_EVENT - // Buffer.isBuffer(decodedPacket.data.i) == true - // Buffer.isBuffer(decodedPacket.data.j) == true - // decodedPacket.id == 15 - }); - - for (var i = 0; i < encodedPackets.length; i++) { - decoder.add(encodedPackets[i]); - } -}); -``` -See the test suite for more examples of how socket.io-parser is used. - - -## License - -MIT diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/binary.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/binary.d.ts deleted file mode 100644 index 835bd628..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/binary.d.ts +++ /dev/null @@ -1,20 +0,0 @@ -/** - * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. - * - * @param {Object} packet - socket.io event packet - * @return {Object} with deconstructed packet and list of buffers - * @public - */ -export declare function deconstructPacket(packet: any): { - packet: any; - buffers: any[]; -}; -/** - * Reconstructs a binary packet from its placeholder packet and buffers - * - * @param {Object} packet - event packet with placeholders - * @param {Array} buffers - binary buffers to put in placeholder positions - * @return {Object} reconstructed packet - * @public - */ -export declare function reconstructPacket(packet: any, buffers: any): any; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/binary.js b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/binary.js deleted file mode 100644 index 4dfe08f3..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/binary.js +++ /dev/null @@ -1,88 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.reconstructPacket = exports.deconstructPacket = void 0; -const is_binary_js_1 = require("./is-binary.js"); -/** - * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. - * - * @param {Object} packet - socket.io event packet - * @return {Object} with deconstructed packet and list of buffers - * @public - */ -function deconstructPacket(packet) { - const buffers = []; - const packetData = packet.data; - const pack = packet; - pack.data = _deconstructPacket(packetData, buffers); - pack.attachments = buffers.length; // number of binary 'attachments' - return { packet: pack, buffers: buffers }; -} -exports.deconstructPacket = deconstructPacket; -function _deconstructPacket(data, buffers) { - if (!data) - return data; - if ((0, is_binary_js_1.isBinary)(data)) { - const placeholder = { _placeholder: true, num: buffers.length }; - buffers.push(data); - return placeholder; - } - else if (Array.isArray(data)) { - const newData = new Array(data.length); - for (let i = 0; i < data.length; i++) { - newData[i] = _deconstructPacket(data[i], buffers); - } - return newData; - } - else if (typeof data === "object" && !(data instanceof Date)) { - const newData = {}; - for (const key in data) { - if (Object.prototype.hasOwnProperty.call(data, key)) { - newData[key] = _deconstructPacket(data[key], buffers); - } - } - return newData; - } - return data; -} -/** - * Reconstructs a binary packet from its placeholder packet and buffers - * - * @param {Object} packet - event packet with placeholders - * @param {Array} buffers - binary buffers to put in placeholder positions - * @return {Object} reconstructed packet - * @public - */ -function reconstructPacket(packet, buffers) { - packet.data = _reconstructPacket(packet.data, buffers); - delete packet.attachments; // no longer useful - return packet; -} -exports.reconstructPacket = reconstructPacket; -function _reconstructPacket(data, buffers) { - if (!data) - return data; - if (data && data._placeholder === true) { - const isIndexValid = typeof data.num === "number" && - data.num >= 0 && - data.num < buffers.length; - if (isIndexValid) { - return buffers[data.num]; // appropriate buffer (should be natural order anyway) - } - else { - throw new Error("illegal attachments"); - } - } - else if (Array.isArray(data)) { - for (let i = 0; i < data.length; i++) { - data[i] = _reconstructPacket(data[i], buffers); - } - } - else if (typeof data === "object") { - for (const key in data) { - if (Object.prototype.hasOwnProperty.call(data, key)) { - data[key] = _reconstructPacket(data[key], buffers); - } - } - } - return data; -} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/index.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/index.d.ts deleted file mode 100644 index 3a20f9db..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/index.d.ts +++ /dev/null @@ -1,90 +0,0 @@ -import { Emitter } from "@socket.io/component-emitter"; -/** - * Protocol version. - * - * @public - */ -export declare const protocol: number; -export declare enum PacketType { - CONNECT = 0, - DISCONNECT = 1, - EVENT = 2, - ACK = 3, - CONNECT_ERROR = 4, - BINARY_EVENT = 5, - BINARY_ACK = 6 -} -export interface Packet { - type: PacketType; - nsp: string; - data?: any; - id?: number; - attachments?: number; -} -/** - * A socket.io Encoder instance - */ -export declare class Encoder { - private replacer?; - /** - * Encoder constructor - * - * @param {function} replacer - custom replacer to pass down to JSON.parse - */ - constructor(replacer?: (this: any, key: string, value: any) => any); - /** - * Encode a packet as a single string if non-binary, or as a - * buffer sequence, depending on packet type. - * - * @param {Object} obj - packet object - */ - encode(obj: Packet): any[]; - /** - * Encode packet as string. - */ - private encodeAsString; - /** - * Encode packet as 'buffer sequence' by removing blobs, and - * deconstructing packet into object with placeholders and - * a list of buffers. - */ - private encodeAsBinary; -} -interface DecoderReservedEvents { - decoded: (packet: Packet) => void; -} -/** - * A socket.io Decoder instance - * - * @return {Object} decoder - */ -export declare class Decoder extends Emitter<{}, {}, DecoderReservedEvents> { - private reviver?; - private reconstructor; - /** - * Decoder constructor - * - * @param {function} reviver - custom reviver to pass down to JSON.stringify - */ - constructor(reviver?: (this: any, key: string, value: any) => any); - /** - * Decodes an encoded packet string into packet JSON. - * - * @param {String} obj - encoded packet - */ - add(obj: any): void; - /** - * Decode a packet String (JSON data) - * - * @param {String} str - * @return {Object} packet - */ - private decodeString; - private tryParse; - private static isPayloadValid; - /** - * Deallocates a parser's resources - */ - destroy(): void; -} -export {}; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/index.js b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/index.js deleted file mode 100644 index df825880..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/index.js +++ /dev/null @@ -1,321 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.Decoder = exports.Encoder = exports.PacketType = exports.protocol = void 0; -const component_emitter_1 = require("@socket.io/component-emitter"); -const binary_js_1 = require("./binary.js"); -const is_binary_js_1 = require("./is-binary.js"); -const debug_1 = require("debug"); // debug() -const debug = (0, debug_1.default)("socket.io-parser"); // debug() -/** - * These strings must not be used as event names, as they have a special meaning. - */ -const RESERVED_EVENTS = [ - "connect", - "connect_error", - "disconnect", - "disconnecting", - "newListener", - "removeListener", // used by the Node.js EventEmitter -]; -/** - * Protocol version. - * - * @public - */ -exports.protocol = 5; -var PacketType; -(function (PacketType) { - PacketType[PacketType["CONNECT"] = 0] = "CONNECT"; - PacketType[PacketType["DISCONNECT"] = 1] = "DISCONNECT"; - PacketType[PacketType["EVENT"] = 2] = "EVENT"; - PacketType[PacketType["ACK"] = 3] = "ACK"; - PacketType[PacketType["CONNECT_ERROR"] = 4] = "CONNECT_ERROR"; - PacketType[PacketType["BINARY_EVENT"] = 5] = "BINARY_EVENT"; - PacketType[PacketType["BINARY_ACK"] = 6] = "BINARY_ACK"; -})(PacketType = exports.PacketType || (exports.PacketType = {})); -/** - * A socket.io Encoder instance - */ -class Encoder { - /** - * Encoder constructor - * - * @param {function} replacer - custom replacer to pass down to JSON.parse - */ - constructor(replacer) { - this.replacer = replacer; - } - /** - * Encode a packet as a single string if non-binary, or as a - * buffer sequence, depending on packet type. - * - * @param {Object} obj - packet object - */ - encode(obj) { - debug("encoding packet %j", obj); - if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) { - if ((0, is_binary_js_1.hasBinary)(obj)) { - return this.encodeAsBinary({ - type: obj.type === PacketType.EVENT - ? PacketType.BINARY_EVENT - : PacketType.BINARY_ACK, - nsp: obj.nsp, - data: obj.data, - id: obj.id, - }); - } - } - return [this.encodeAsString(obj)]; - } - /** - * Encode packet as string. - */ - encodeAsString(obj) { - // first is type - let str = "" + obj.type; - // attachments if we have them - if (obj.type === PacketType.BINARY_EVENT || - obj.type === PacketType.BINARY_ACK) { - str += obj.attachments + "-"; - } - // if we have a namespace other than `/` - // we append it followed by a comma `,` - if (obj.nsp && "/" !== obj.nsp) { - str += obj.nsp + ","; - } - // immediately followed by the id - if (null != obj.id) { - str += obj.id; - } - // json data - if (null != obj.data) { - str += JSON.stringify(obj.data, this.replacer); - } - debug("encoded %j as %s", obj, str); - return str; - } - /** - * Encode packet as 'buffer sequence' by removing blobs, and - * deconstructing packet into object with placeholders and - * a list of buffers. - */ - encodeAsBinary(obj) { - const deconstruction = (0, binary_js_1.deconstructPacket)(obj); - const pack = this.encodeAsString(deconstruction.packet); - const buffers = deconstruction.buffers; - buffers.unshift(pack); // add packet info to beginning of data list - return buffers; // write all the buffers - } -} -exports.Encoder = Encoder; -// see https://stackoverflow.com/questions/8511281/check-if-a-value-is-an-object-in-javascript -function isObject(value) { - return Object.prototype.toString.call(value) === "[object Object]"; -} -/** - * A socket.io Decoder instance - * - * @return {Object} decoder - */ -class Decoder extends component_emitter_1.Emitter { - /** - * Decoder constructor - * - * @param {function} reviver - custom reviver to pass down to JSON.stringify - */ - constructor(reviver) { - super(); - this.reviver = reviver; - } - /** - * Decodes an encoded packet string into packet JSON. - * - * @param {String} obj - encoded packet - */ - add(obj) { - let packet; - if (typeof obj === "string") { - if (this.reconstructor) { - throw new Error("got plaintext data when reconstructing a packet"); - } - packet = this.decodeString(obj); - const isBinaryEvent = packet.type === PacketType.BINARY_EVENT; - if (isBinaryEvent || packet.type === PacketType.BINARY_ACK) { - packet.type = isBinaryEvent ? PacketType.EVENT : PacketType.ACK; - // binary packet's json - this.reconstructor = new BinaryReconstructor(packet); - // no attachments, labeled binary but no binary data to follow - if (packet.attachments === 0) { - super.emitReserved("decoded", packet); - } - } - else { - // non-binary full packet - super.emitReserved("decoded", packet); - } - } - else if ((0, is_binary_js_1.isBinary)(obj) || obj.base64) { - // raw binary data - if (!this.reconstructor) { - throw new Error("got binary data when not reconstructing a packet"); - } - else { - packet = this.reconstructor.takeBinaryData(obj); - if (packet) { - // received final buffer - this.reconstructor = null; - super.emitReserved("decoded", packet); - } - } - } - else { - throw new Error("Unknown type: " + obj); - } - } - /** - * Decode a packet String (JSON data) - * - * @param {String} str - * @return {Object} packet - */ - decodeString(str) { - let i = 0; - // look up type - const p = { - type: Number(str.charAt(0)), - }; - if (PacketType[p.type] === undefined) { - throw new Error("unknown packet type " + p.type); - } - // look up attachments if type binary - if (p.type === PacketType.BINARY_EVENT || - p.type === PacketType.BINARY_ACK) { - const start = i + 1; - while (str.charAt(++i) !== "-" && i != str.length) { } - const buf = str.substring(start, i); - if (buf != Number(buf) || str.charAt(i) !== "-") { - throw new Error("Illegal attachments"); - } - p.attachments = Number(buf); - } - // look up namespace (if any) - if ("/" === str.charAt(i + 1)) { - const start = i + 1; - while (++i) { - const c = str.charAt(i); - if ("," === c) - break; - if (i === str.length) - break; - } - p.nsp = str.substring(start, i); - } - else { - p.nsp = "/"; - } - // look up id - const next = str.charAt(i + 1); - if ("" !== next && Number(next) == next) { - const start = i + 1; - while (++i) { - const c = str.charAt(i); - if (null == c || Number(c) != c) { - --i; - break; - } - if (i === str.length) - break; - } - p.id = Number(str.substring(start, i + 1)); - } - // look up json data - if (str.charAt(++i)) { - const payload = this.tryParse(str.substr(i)); - if (Decoder.isPayloadValid(p.type, payload)) { - p.data = payload; - } - else { - throw new Error("invalid payload"); - } - } - debug("decoded %s as %j", str, p); - return p; - } - tryParse(str) { - try { - return JSON.parse(str, this.reviver); - } - catch (e) { - return false; - } - } - static isPayloadValid(type, payload) { - switch (type) { - case PacketType.CONNECT: - return isObject(payload); - case PacketType.DISCONNECT: - return payload === undefined; - case PacketType.CONNECT_ERROR: - return typeof payload === "string" || isObject(payload); - case PacketType.EVENT: - case PacketType.BINARY_EVENT: - return (Array.isArray(payload) && - (typeof payload[0] === "number" || - (typeof payload[0] === "string" && - RESERVED_EVENTS.indexOf(payload[0]) === -1))); - case PacketType.ACK: - case PacketType.BINARY_ACK: - return Array.isArray(payload); - } - } - /** - * Deallocates a parser's resources - */ - destroy() { - if (this.reconstructor) { - this.reconstructor.finishedReconstruction(); - this.reconstructor = null; - } - } -} -exports.Decoder = Decoder; -/** - * A manager of a binary event's 'buffer sequence'. Should - * be constructed whenever a packet of type BINARY_EVENT is - * decoded. - * - * @param {Object} packet - * @return {BinaryReconstructor} initialized reconstructor - */ -class BinaryReconstructor { - constructor(packet) { - this.packet = packet; - this.buffers = []; - this.reconPack = packet; - } - /** - * Method to be called when binary data received from connection - * after a BINARY_EVENT packet. - * - * @param {Buffer | ArrayBuffer} binData - the raw binary data received - * @return {null | Object} returns null if more binary data is expected or - * a reconstructed packet object if all buffers have been received. - */ - takeBinaryData(binData) { - this.buffers.push(binData); - if (this.buffers.length === this.reconPack.attachments) { - // done with buffer list - const packet = (0, binary_js_1.reconstructPacket)(this.reconPack, this.buffers); - this.finishedReconstruction(); - return packet; - } - return null; - } - /** - * Cleans up binary packet reconstruction variables. - */ - finishedReconstruction() { - this.reconPack = null; - this.buffers = []; - } -} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/is-binary.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/is-binary.d.ts deleted file mode 100644 index fa182618..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/is-binary.d.ts +++ /dev/null @@ -1,7 +0,0 @@ -/** - * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. - * - * @private - */ -export declare function isBinary(obj: any): boolean; -export declare function hasBinary(obj: any, toJSON?: boolean): any; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/is-binary.js b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/is-binary.js deleted file mode 100644 index 4b7c2347..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/is-binary.js +++ /dev/null @@ -1,55 +0,0 @@ -"use strict"; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.hasBinary = exports.isBinary = void 0; -const withNativeArrayBuffer = typeof ArrayBuffer === "function"; -const isView = (obj) => { - return typeof ArrayBuffer.isView === "function" - ? ArrayBuffer.isView(obj) - : obj.buffer instanceof ArrayBuffer; -}; -const toString = Object.prototype.toString; -const withNativeBlob = typeof Blob === "function" || - (typeof Blob !== "undefined" && - toString.call(Blob) === "[object BlobConstructor]"); -const withNativeFile = typeof File === "function" || - (typeof File !== "undefined" && - toString.call(File) === "[object FileConstructor]"); -/** - * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. - * - * @private - */ -function isBinary(obj) { - return ((withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) || - (withNativeBlob && obj instanceof Blob) || - (withNativeFile && obj instanceof File)); -} -exports.isBinary = isBinary; -function hasBinary(obj, toJSON) { - if (!obj || typeof obj !== "object") { - return false; - } - if (Array.isArray(obj)) { - for (let i = 0, l = obj.length; i < l; i++) { - if (hasBinary(obj[i])) { - return true; - } - } - return false; - } - if (isBinary(obj)) { - return true; - } - if (obj.toJSON && - typeof obj.toJSON === "function" && - arguments.length === 1) { - return hasBinary(obj.toJSON(), true); - } - for (const key in obj) { - if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) { - return true; - } - } - return false; -} -exports.hasBinary = hasBinary; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/package.json b/examples/axum-echo/node_modules/socket.io-parser/build/cjs/package.json deleted file mode 100644 index 5bbefffb..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/cjs/package.json +++ /dev/null @@ -1,3 +0,0 @@ -{ - "type": "commonjs" -} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/binary.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/binary.d.ts deleted file mode 100644 index 835bd628..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/binary.d.ts +++ /dev/null @@ -1,20 +0,0 @@ -/** - * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. - * - * @param {Object} packet - socket.io event packet - * @return {Object} with deconstructed packet and list of buffers - * @public - */ -export declare function deconstructPacket(packet: any): { - packet: any; - buffers: any[]; -}; -/** - * Reconstructs a binary packet from its placeholder packet and buffers - * - * @param {Object} packet - event packet with placeholders - * @param {Array} buffers - binary buffers to put in placeholder positions - * @return {Object} reconstructed packet - * @public - */ -export declare function reconstructPacket(packet: any, buffers: any): any; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/binary.js b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/binary.js deleted file mode 100644 index 5d5c3d8a..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/binary.js +++ /dev/null @@ -1,83 +0,0 @@ -import { isBinary } from "./is-binary.js"; -/** - * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. - * - * @param {Object} packet - socket.io event packet - * @return {Object} with deconstructed packet and list of buffers - * @public - */ -export function deconstructPacket(packet) { - const buffers = []; - const packetData = packet.data; - const pack = packet; - pack.data = _deconstructPacket(packetData, buffers); - pack.attachments = buffers.length; // number of binary 'attachments' - return { packet: pack, buffers: buffers }; -} -function _deconstructPacket(data, buffers) { - if (!data) - return data; - if (isBinary(data)) { - const placeholder = { _placeholder: true, num: buffers.length }; - buffers.push(data); - return placeholder; - } - else if (Array.isArray(data)) { - const newData = new Array(data.length); - for (let i = 0; i < data.length; i++) { - newData[i] = _deconstructPacket(data[i], buffers); - } - return newData; - } - else if (typeof data === "object" && !(data instanceof Date)) { - const newData = {}; - for (const key in data) { - if (Object.prototype.hasOwnProperty.call(data, key)) { - newData[key] = _deconstructPacket(data[key], buffers); - } - } - return newData; - } - return data; -} -/** - * Reconstructs a binary packet from its placeholder packet and buffers - * - * @param {Object} packet - event packet with placeholders - * @param {Array} buffers - binary buffers to put in placeholder positions - * @return {Object} reconstructed packet - * @public - */ -export function reconstructPacket(packet, buffers) { - packet.data = _reconstructPacket(packet.data, buffers); - delete packet.attachments; // no longer useful - return packet; -} -function _reconstructPacket(data, buffers) { - if (!data) - return data; - if (data && data._placeholder === true) { - const isIndexValid = typeof data.num === "number" && - data.num >= 0 && - data.num < buffers.length; - if (isIndexValid) { - return buffers[data.num]; // appropriate buffer (should be natural order anyway) - } - else { - throw new Error("illegal attachments"); - } - } - else if (Array.isArray(data)) { - for (let i = 0; i < data.length; i++) { - data[i] = _reconstructPacket(data[i], buffers); - } - } - else if (typeof data === "object") { - for (const key in data) { - if (Object.prototype.hasOwnProperty.call(data, key)) { - data[key] = _reconstructPacket(data[key], buffers); - } - } - } - return data; -} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/index.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/index.d.ts deleted file mode 100644 index 3a20f9db..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/index.d.ts +++ /dev/null @@ -1,90 +0,0 @@ -import { Emitter } from "@socket.io/component-emitter"; -/** - * Protocol version. - * - * @public - */ -export declare const protocol: number; -export declare enum PacketType { - CONNECT = 0, - DISCONNECT = 1, - EVENT = 2, - ACK = 3, - CONNECT_ERROR = 4, - BINARY_EVENT = 5, - BINARY_ACK = 6 -} -export interface Packet { - type: PacketType; - nsp: string; - data?: any; - id?: number; - attachments?: number; -} -/** - * A socket.io Encoder instance - */ -export declare class Encoder { - private replacer?; - /** - * Encoder constructor - * - * @param {function} replacer - custom replacer to pass down to JSON.parse - */ - constructor(replacer?: (this: any, key: string, value: any) => any); - /** - * Encode a packet as a single string if non-binary, or as a - * buffer sequence, depending on packet type. - * - * @param {Object} obj - packet object - */ - encode(obj: Packet): any[]; - /** - * Encode packet as string. - */ - private encodeAsString; - /** - * Encode packet as 'buffer sequence' by removing blobs, and - * deconstructing packet into object with placeholders and - * a list of buffers. - */ - private encodeAsBinary; -} -interface DecoderReservedEvents { - decoded: (packet: Packet) => void; -} -/** - * A socket.io Decoder instance - * - * @return {Object} decoder - */ -export declare class Decoder extends Emitter<{}, {}, DecoderReservedEvents> { - private reviver?; - private reconstructor; - /** - * Decoder constructor - * - * @param {function} reviver - custom reviver to pass down to JSON.stringify - */ - constructor(reviver?: (this: any, key: string, value: any) => any); - /** - * Decodes an encoded packet string into packet JSON. - * - * @param {String} obj - encoded packet - */ - add(obj: any): void; - /** - * Decode a packet String (JSON data) - * - * @param {String} str - * @return {Object} packet - */ - private decodeString; - private tryParse; - private static isPayloadValid; - /** - * Deallocates a parser's resources - */ - destroy(): void; -} -export {}; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/index.js b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/index.js deleted file mode 100644 index 591bcdcd..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/index.js +++ /dev/null @@ -1,316 +0,0 @@ -import { Emitter } from "@socket.io/component-emitter"; -import { deconstructPacket, reconstructPacket } from "./binary.js"; -import { isBinary, hasBinary } from "./is-binary.js"; -import debugModule from "debug"; // debug() -const debug = debugModule("socket.io-parser"); // debug() -/** - * These strings must not be used as event names, as they have a special meaning. - */ -const RESERVED_EVENTS = [ - "connect", - "connect_error", - "disconnect", - "disconnecting", - "newListener", - "removeListener", // used by the Node.js EventEmitter -]; -/** - * Protocol version. - * - * @public - */ -export const protocol = 5; -export var PacketType; -(function (PacketType) { - PacketType[PacketType["CONNECT"] = 0] = "CONNECT"; - PacketType[PacketType["DISCONNECT"] = 1] = "DISCONNECT"; - PacketType[PacketType["EVENT"] = 2] = "EVENT"; - PacketType[PacketType["ACK"] = 3] = "ACK"; - PacketType[PacketType["CONNECT_ERROR"] = 4] = "CONNECT_ERROR"; - PacketType[PacketType["BINARY_EVENT"] = 5] = "BINARY_EVENT"; - PacketType[PacketType["BINARY_ACK"] = 6] = "BINARY_ACK"; -})(PacketType || (PacketType = {})); -/** - * A socket.io Encoder instance - */ -export class Encoder { - /** - * Encoder constructor - * - * @param {function} replacer - custom replacer to pass down to JSON.parse - */ - constructor(replacer) { - this.replacer = replacer; - } - /** - * Encode a packet as a single string if non-binary, or as a - * buffer sequence, depending on packet type. - * - * @param {Object} obj - packet object - */ - encode(obj) { - debug("encoding packet %j", obj); - if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) { - if (hasBinary(obj)) { - return this.encodeAsBinary({ - type: obj.type === PacketType.EVENT - ? PacketType.BINARY_EVENT - : PacketType.BINARY_ACK, - nsp: obj.nsp, - data: obj.data, - id: obj.id, - }); - } - } - return [this.encodeAsString(obj)]; - } - /** - * Encode packet as string. - */ - encodeAsString(obj) { - // first is type - let str = "" + obj.type; - // attachments if we have them - if (obj.type === PacketType.BINARY_EVENT || - obj.type === PacketType.BINARY_ACK) { - str += obj.attachments + "-"; - } - // if we have a namespace other than `/` - // we append it followed by a comma `,` - if (obj.nsp && "/" !== obj.nsp) { - str += obj.nsp + ","; - } - // immediately followed by the id - if (null != obj.id) { - str += obj.id; - } - // json data - if (null != obj.data) { - str += JSON.stringify(obj.data, this.replacer); - } - debug("encoded %j as %s", obj, str); - return str; - } - /** - * Encode packet as 'buffer sequence' by removing blobs, and - * deconstructing packet into object with placeholders and - * a list of buffers. - */ - encodeAsBinary(obj) { - const deconstruction = deconstructPacket(obj); - const pack = this.encodeAsString(deconstruction.packet); - const buffers = deconstruction.buffers; - buffers.unshift(pack); // add packet info to beginning of data list - return buffers; // write all the buffers - } -} -// see https://stackoverflow.com/questions/8511281/check-if-a-value-is-an-object-in-javascript -function isObject(value) { - return Object.prototype.toString.call(value) === "[object Object]"; -} -/** - * A socket.io Decoder instance - * - * @return {Object} decoder - */ -export class Decoder extends Emitter { - /** - * Decoder constructor - * - * @param {function} reviver - custom reviver to pass down to JSON.stringify - */ - constructor(reviver) { - super(); - this.reviver = reviver; - } - /** - * Decodes an encoded packet string into packet JSON. - * - * @param {String} obj - encoded packet - */ - add(obj) { - let packet; - if (typeof obj === "string") { - if (this.reconstructor) { - throw new Error("got plaintext data when reconstructing a packet"); - } - packet = this.decodeString(obj); - const isBinaryEvent = packet.type === PacketType.BINARY_EVENT; - if (isBinaryEvent || packet.type === PacketType.BINARY_ACK) { - packet.type = isBinaryEvent ? PacketType.EVENT : PacketType.ACK; - // binary packet's json - this.reconstructor = new BinaryReconstructor(packet); - // no attachments, labeled binary but no binary data to follow - if (packet.attachments === 0) { - super.emitReserved("decoded", packet); - } - } - else { - // non-binary full packet - super.emitReserved("decoded", packet); - } - } - else if (isBinary(obj) || obj.base64) { - // raw binary data - if (!this.reconstructor) { - throw new Error("got binary data when not reconstructing a packet"); - } - else { - packet = this.reconstructor.takeBinaryData(obj); - if (packet) { - // received final buffer - this.reconstructor = null; - super.emitReserved("decoded", packet); - } - } - } - else { - throw new Error("Unknown type: " + obj); - } - } - /** - * Decode a packet String (JSON data) - * - * @param {String} str - * @return {Object} packet - */ - decodeString(str) { - let i = 0; - // look up type - const p = { - type: Number(str.charAt(0)), - }; - if (PacketType[p.type] === undefined) { - throw new Error("unknown packet type " + p.type); - } - // look up attachments if type binary - if (p.type === PacketType.BINARY_EVENT || - p.type === PacketType.BINARY_ACK) { - const start = i + 1; - while (str.charAt(++i) !== "-" && i != str.length) { } - const buf = str.substring(start, i); - if (buf != Number(buf) || str.charAt(i) !== "-") { - throw new Error("Illegal attachments"); - } - p.attachments = Number(buf); - } - // look up namespace (if any) - if ("/" === str.charAt(i + 1)) { - const start = i + 1; - while (++i) { - const c = str.charAt(i); - if ("," === c) - break; - if (i === str.length) - break; - } - p.nsp = str.substring(start, i); - } - else { - p.nsp = "/"; - } - // look up id - const next = str.charAt(i + 1); - if ("" !== next && Number(next) == next) { - const start = i + 1; - while (++i) { - const c = str.charAt(i); - if (null == c || Number(c) != c) { - --i; - break; - } - if (i === str.length) - break; - } - p.id = Number(str.substring(start, i + 1)); - } - // look up json data - if (str.charAt(++i)) { - const payload = this.tryParse(str.substr(i)); - if (Decoder.isPayloadValid(p.type, payload)) { - p.data = payload; - } - else { - throw new Error("invalid payload"); - } - } - debug("decoded %s as %j", str, p); - return p; - } - tryParse(str) { - try { - return JSON.parse(str, this.reviver); - } - catch (e) { - return false; - } - } - static isPayloadValid(type, payload) { - switch (type) { - case PacketType.CONNECT: - return isObject(payload); - case PacketType.DISCONNECT: - return payload === undefined; - case PacketType.CONNECT_ERROR: - return typeof payload === "string" || isObject(payload); - case PacketType.EVENT: - case PacketType.BINARY_EVENT: - return (Array.isArray(payload) && - (typeof payload[0] === "number" || - (typeof payload[0] === "string" && - RESERVED_EVENTS.indexOf(payload[0]) === -1))); - case PacketType.ACK: - case PacketType.BINARY_ACK: - return Array.isArray(payload); - } - } - /** - * Deallocates a parser's resources - */ - destroy() { - if (this.reconstructor) { - this.reconstructor.finishedReconstruction(); - this.reconstructor = null; - } - } -} -/** - * A manager of a binary event's 'buffer sequence'. Should - * be constructed whenever a packet of type BINARY_EVENT is - * decoded. - * - * @param {Object} packet - * @return {BinaryReconstructor} initialized reconstructor - */ -class BinaryReconstructor { - constructor(packet) { - this.packet = packet; - this.buffers = []; - this.reconPack = packet; - } - /** - * Method to be called when binary data received from connection - * after a BINARY_EVENT packet. - * - * @param {Buffer | ArrayBuffer} binData - the raw binary data received - * @return {null | Object} returns null if more binary data is expected or - * a reconstructed packet object if all buffers have been received. - */ - takeBinaryData(binData) { - this.buffers.push(binData); - if (this.buffers.length === this.reconPack.attachments) { - // done with buffer list - const packet = reconstructPacket(this.reconPack, this.buffers); - this.finishedReconstruction(); - return packet; - } - return null; - } - /** - * Cleans up binary packet reconstruction variables. - */ - finishedReconstruction() { - this.reconPack = null; - this.buffers = []; - } -} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/is-binary.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/is-binary.d.ts deleted file mode 100644 index fa182618..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/is-binary.d.ts +++ /dev/null @@ -1,7 +0,0 @@ -/** - * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. - * - * @private - */ -export declare function isBinary(obj: any): boolean; -export declare function hasBinary(obj: any, toJSON?: boolean): any; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/is-binary.js b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/is-binary.js deleted file mode 100644 index 0c654dd8..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/is-binary.js +++ /dev/null @@ -1,50 +0,0 @@ -const withNativeArrayBuffer = typeof ArrayBuffer === "function"; -const isView = (obj) => { - return typeof ArrayBuffer.isView === "function" - ? ArrayBuffer.isView(obj) - : obj.buffer instanceof ArrayBuffer; -}; -const toString = Object.prototype.toString; -const withNativeBlob = typeof Blob === "function" || - (typeof Blob !== "undefined" && - toString.call(Blob) === "[object BlobConstructor]"); -const withNativeFile = typeof File === "function" || - (typeof File !== "undefined" && - toString.call(File) === "[object FileConstructor]"); -/** - * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. - * - * @private - */ -export function isBinary(obj) { - return ((withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) || - (withNativeBlob && obj instanceof Blob) || - (withNativeFile && obj instanceof File)); -} -export function hasBinary(obj, toJSON) { - if (!obj || typeof obj !== "object") { - return false; - } - if (Array.isArray(obj)) { - for (let i = 0, l = obj.length; i < l; i++) { - if (hasBinary(obj[i])) { - return true; - } - } - return false; - } - if (isBinary(obj)) { - return true; - } - if (obj.toJSON && - typeof obj.toJSON === "function" && - arguments.length === 1) { - return hasBinary(obj.toJSON(), true); - } - for (const key in obj) { - if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) { - return true; - } - } - return false; -} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/package.json b/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/package.json deleted file mode 100644 index 3dbc1ca5..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/esm-debug/package.json +++ /dev/null @@ -1,3 +0,0 @@ -{ - "type": "module" -} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm/binary.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/esm/binary.d.ts deleted file mode 100644 index 835bd628..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/esm/binary.d.ts +++ /dev/null @@ -1,20 +0,0 @@ -/** - * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. - * - * @param {Object} packet - socket.io event packet - * @return {Object} with deconstructed packet and list of buffers - * @public - */ -export declare function deconstructPacket(packet: any): { - packet: any; - buffers: any[]; -}; -/** - * Reconstructs a binary packet from its placeholder packet and buffers - * - * @param {Object} packet - event packet with placeholders - * @param {Array} buffers - binary buffers to put in placeholder positions - * @return {Object} reconstructed packet - * @public - */ -export declare function reconstructPacket(packet: any, buffers: any): any; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm/binary.js b/examples/axum-echo/node_modules/socket.io-parser/build/esm/binary.js deleted file mode 100644 index 5d5c3d8a..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/esm/binary.js +++ /dev/null @@ -1,83 +0,0 @@ -import { isBinary } from "./is-binary.js"; -/** - * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. - * - * @param {Object} packet - socket.io event packet - * @return {Object} with deconstructed packet and list of buffers - * @public - */ -export function deconstructPacket(packet) { - const buffers = []; - const packetData = packet.data; - const pack = packet; - pack.data = _deconstructPacket(packetData, buffers); - pack.attachments = buffers.length; // number of binary 'attachments' - return { packet: pack, buffers: buffers }; -} -function _deconstructPacket(data, buffers) { - if (!data) - return data; - if (isBinary(data)) { - const placeholder = { _placeholder: true, num: buffers.length }; - buffers.push(data); - return placeholder; - } - else if (Array.isArray(data)) { - const newData = new Array(data.length); - for (let i = 0; i < data.length; i++) { - newData[i] = _deconstructPacket(data[i], buffers); - } - return newData; - } - else if (typeof data === "object" && !(data instanceof Date)) { - const newData = {}; - for (const key in data) { - if (Object.prototype.hasOwnProperty.call(data, key)) { - newData[key] = _deconstructPacket(data[key], buffers); - } - } - return newData; - } - return data; -} -/** - * Reconstructs a binary packet from its placeholder packet and buffers - * - * @param {Object} packet - event packet with placeholders - * @param {Array} buffers - binary buffers to put in placeholder positions - * @return {Object} reconstructed packet - * @public - */ -export function reconstructPacket(packet, buffers) { - packet.data = _reconstructPacket(packet.data, buffers); - delete packet.attachments; // no longer useful - return packet; -} -function _reconstructPacket(data, buffers) { - if (!data) - return data; - if (data && data._placeholder === true) { - const isIndexValid = typeof data.num === "number" && - data.num >= 0 && - data.num < buffers.length; - if (isIndexValid) { - return buffers[data.num]; // appropriate buffer (should be natural order anyway) - } - else { - throw new Error("illegal attachments"); - } - } - else if (Array.isArray(data)) { - for (let i = 0; i < data.length; i++) { - data[i] = _reconstructPacket(data[i], buffers); - } - } - else if (typeof data === "object") { - for (const key in data) { - if (Object.prototype.hasOwnProperty.call(data, key)) { - data[key] = _reconstructPacket(data[key], buffers); - } - } - } - return data; -} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm/index.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/esm/index.d.ts deleted file mode 100644 index 3a20f9db..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/esm/index.d.ts +++ /dev/null @@ -1,90 +0,0 @@ -import { Emitter } from "@socket.io/component-emitter"; -/** - * Protocol version. - * - * @public - */ -export declare const protocol: number; -export declare enum PacketType { - CONNECT = 0, - DISCONNECT = 1, - EVENT = 2, - ACK = 3, - CONNECT_ERROR = 4, - BINARY_EVENT = 5, - BINARY_ACK = 6 -} -export interface Packet { - type: PacketType; - nsp: string; - data?: any; - id?: number; - attachments?: number; -} -/** - * A socket.io Encoder instance - */ -export declare class Encoder { - private replacer?; - /** - * Encoder constructor - * - * @param {function} replacer - custom replacer to pass down to JSON.parse - */ - constructor(replacer?: (this: any, key: string, value: any) => any); - /** - * Encode a packet as a single string if non-binary, or as a - * buffer sequence, depending on packet type. - * - * @param {Object} obj - packet object - */ - encode(obj: Packet): any[]; - /** - * Encode packet as string. - */ - private encodeAsString; - /** - * Encode packet as 'buffer sequence' by removing blobs, and - * deconstructing packet into object with placeholders and - * a list of buffers. - */ - private encodeAsBinary; -} -interface DecoderReservedEvents { - decoded: (packet: Packet) => void; -} -/** - * A socket.io Decoder instance - * - * @return {Object} decoder - */ -export declare class Decoder extends Emitter<{}, {}, DecoderReservedEvents> { - private reviver?; - private reconstructor; - /** - * Decoder constructor - * - * @param {function} reviver - custom reviver to pass down to JSON.stringify - */ - constructor(reviver?: (this: any, key: string, value: any) => any); - /** - * Decodes an encoded packet string into packet JSON. - * - * @param {String} obj - encoded packet - */ - add(obj: any): void; - /** - * Decode a packet String (JSON data) - * - * @param {String} str - * @return {Object} packet - */ - private decodeString; - private tryParse; - private static isPayloadValid; - /** - * Deallocates a parser's resources - */ - destroy(): void; -} -export {}; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm/index.js b/examples/axum-echo/node_modules/socket.io-parser/build/esm/index.js deleted file mode 100644 index 0fb68865..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/esm/index.js +++ /dev/null @@ -1,311 +0,0 @@ -import { Emitter } from "@socket.io/component-emitter"; -import { deconstructPacket, reconstructPacket } from "./binary.js"; -import { isBinary, hasBinary } from "./is-binary.js"; -/** - * These strings must not be used as event names, as they have a special meaning. - */ -const RESERVED_EVENTS = [ - "connect", - "connect_error", - "disconnect", - "disconnecting", - "newListener", - "removeListener", // used by the Node.js EventEmitter -]; -/** - * Protocol version. - * - * @public - */ -export const protocol = 5; -export var PacketType; -(function (PacketType) { - PacketType[PacketType["CONNECT"] = 0] = "CONNECT"; - PacketType[PacketType["DISCONNECT"] = 1] = "DISCONNECT"; - PacketType[PacketType["EVENT"] = 2] = "EVENT"; - PacketType[PacketType["ACK"] = 3] = "ACK"; - PacketType[PacketType["CONNECT_ERROR"] = 4] = "CONNECT_ERROR"; - PacketType[PacketType["BINARY_EVENT"] = 5] = "BINARY_EVENT"; - PacketType[PacketType["BINARY_ACK"] = 6] = "BINARY_ACK"; -})(PacketType || (PacketType = {})); -/** - * A socket.io Encoder instance - */ -export class Encoder { - /** - * Encoder constructor - * - * @param {function} replacer - custom replacer to pass down to JSON.parse - */ - constructor(replacer) { - this.replacer = replacer; - } - /** - * Encode a packet as a single string if non-binary, or as a - * buffer sequence, depending on packet type. - * - * @param {Object} obj - packet object - */ - encode(obj) { - if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) { - if (hasBinary(obj)) { - return this.encodeAsBinary({ - type: obj.type === PacketType.EVENT - ? PacketType.BINARY_EVENT - : PacketType.BINARY_ACK, - nsp: obj.nsp, - data: obj.data, - id: obj.id, - }); - } - } - return [this.encodeAsString(obj)]; - } - /** - * Encode packet as string. - */ - encodeAsString(obj) { - // first is type - let str = "" + obj.type; - // attachments if we have them - if (obj.type === PacketType.BINARY_EVENT || - obj.type === PacketType.BINARY_ACK) { - str += obj.attachments + "-"; - } - // if we have a namespace other than `/` - // we append it followed by a comma `,` - if (obj.nsp && "/" !== obj.nsp) { - str += obj.nsp + ","; - } - // immediately followed by the id - if (null != obj.id) { - str += obj.id; - } - // json data - if (null != obj.data) { - str += JSON.stringify(obj.data, this.replacer); - } - return str; - } - /** - * Encode packet as 'buffer sequence' by removing blobs, and - * deconstructing packet into object with placeholders and - * a list of buffers. - */ - encodeAsBinary(obj) { - const deconstruction = deconstructPacket(obj); - const pack = this.encodeAsString(deconstruction.packet); - const buffers = deconstruction.buffers; - buffers.unshift(pack); // add packet info to beginning of data list - return buffers; // write all the buffers - } -} -// see https://stackoverflow.com/questions/8511281/check-if-a-value-is-an-object-in-javascript -function isObject(value) { - return Object.prototype.toString.call(value) === "[object Object]"; -} -/** - * A socket.io Decoder instance - * - * @return {Object} decoder - */ -export class Decoder extends Emitter { - /** - * Decoder constructor - * - * @param {function} reviver - custom reviver to pass down to JSON.stringify - */ - constructor(reviver) { - super(); - this.reviver = reviver; - } - /** - * Decodes an encoded packet string into packet JSON. - * - * @param {String} obj - encoded packet - */ - add(obj) { - let packet; - if (typeof obj === "string") { - if (this.reconstructor) { - throw new Error("got plaintext data when reconstructing a packet"); - } - packet = this.decodeString(obj); - const isBinaryEvent = packet.type === PacketType.BINARY_EVENT; - if (isBinaryEvent || packet.type === PacketType.BINARY_ACK) { - packet.type = isBinaryEvent ? PacketType.EVENT : PacketType.ACK; - // binary packet's json - this.reconstructor = new BinaryReconstructor(packet); - // no attachments, labeled binary but no binary data to follow - if (packet.attachments === 0) { - super.emitReserved("decoded", packet); - } - } - else { - // non-binary full packet - super.emitReserved("decoded", packet); - } - } - else if (isBinary(obj) || obj.base64) { - // raw binary data - if (!this.reconstructor) { - throw new Error("got binary data when not reconstructing a packet"); - } - else { - packet = this.reconstructor.takeBinaryData(obj); - if (packet) { - // received final buffer - this.reconstructor = null; - super.emitReserved("decoded", packet); - } - } - } - else { - throw new Error("Unknown type: " + obj); - } - } - /** - * Decode a packet String (JSON data) - * - * @param {String} str - * @return {Object} packet - */ - decodeString(str) { - let i = 0; - // look up type - const p = { - type: Number(str.charAt(0)), - }; - if (PacketType[p.type] === undefined) { - throw new Error("unknown packet type " + p.type); - } - // look up attachments if type binary - if (p.type === PacketType.BINARY_EVENT || - p.type === PacketType.BINARY_ACK) { - const start = i + 1; - while (str.charAt(++i) !== "-" && i != str.length) { } - const buf = str.substring(start, i); - if (buf != Number(buf) || str.charAt(i) !== "-") { - throw new Error("Illegal attachments"); - } - p.attachments = Number(buf); - } - // look up namespace (if any) - if ("/" === str.charAt(i + 1)) { - const start = i + 1; - while (++i) { - const c = str.charAt(i); - if ("," === c) - break; - if (i === str.length) - break; - } - p.nsp = str.substring(start, i); - } - else { - p.nsp = "/"; - } - // look up id - const next = str.charAt(i + 1); - if ("" !== next && Number(next) == next) { - const start = i + 1; - while (++i) { - const c = str.charAt(i); - if (null == c || Number(c) != c) { - --i; - break; - } - if (i === str.length) - break; - } - p.id = Number(str.substring(start, i + 1)); - } - // look up json data - if (str.charAt(++i)) { - const payload = this.tryParse(str.substr(i)); - if (Decoder.isPayloadValid(p.type, payload)) { - p.data = payload; - } - else { - throw new Error("invalid payload"); - } - } - return p; - } - tryParse(str) { - try { - return JSON.parse(str, this.reviver); - } - catch (e) { - return false; - } - } - static isPayloadValid(type, payload) { - switch (type) { - case PacketType.CONNECT: - return isObject(payload); - case PacketType.DISCONNECT: - return payload === undefined; - case PacketType.CONNECT_ERROR: - return typeof payload === "string" || isObject(payload); - case PacketType.EVENT: - case PacketType.BINARY_EVENT: - return (Array.isArray(payload) && - (typeof payload[0] === "number" || - (typeof payload[0] === "string" && - RESERVED_EVENTS.indexOf(payload[0]) === -1))); - case PacketType.ACK: - case PacketType.BINARY_ACK: - return Array.isArray(payload); - } - } - /** - * Deallocates a parser's resources - */ - destroy() { - if (this.reconstructor) { - this.reconstructor.finishedReconstruction(); - this.reconstructor = null; - } - } -} -/** - * A manager of a binary event's 'buffer sequence'. Should - * be constructed whenever a packet of type BINARY_EVENT is - * decoded. - * - * @param {Object} packet - * @return {BinaryReconstructor} initialized reconstructor - */ -class BinaryReconstructor { - constructor(packet) { - this.packet = packet; - this.buffers = []; - this.reconPack = packet; - } - /** - * Method to be called when binary data received from connection - * after a BINARY_EVENT packet. - * - * @param {Buffer | ArrayBuffer} binData - the raw binary data received - * @return {null | Object} returns null if more binary data is expected or - * a reconstructed packet object if all buffers have been received. - */ - takeBinaryData(binData) { - this.buffers.push(binData); - if (this.buffers.length === this.reconPack.attachments) { - // done with buffer list - const packet = reconstructPacket(this.reconPack, this.buffers); - this.finishedReconstruction(); - return packet; - } - return null; - } - /** - * Cleans up binary packet reconstruction variables. - */ - finishedReconstruction() { - this.reconPack = null; - this.buffers = []; - } -} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm/is-binary.d.ts b/examples/axum-echo/node_modules/socket.io-parser/build/esm/is-binary.d.ts deleted file mode 100644 index fa182618..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/esm/is-binary.d.ts +++ /dev/null @@ -1,7 +0,0 @@ -/** - * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. - * - * @private - */ -export declare function isBinary(obj: any): boolean; -export declare function hasBinary(obj: any, toJSON?: boolean): any; diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm/is-binary.js b/examples/axum-echo/node_modules/socket.io-parser/build/esm/is-binary.js deleted file mode 100644 index 0c654dd8..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/esm/is-binary.js +++ /dev/null @@ -1,50 +0,0 @@ -const withNativeArrayBuffer = typeof ArrayBuffer === "function"; -const isView = (obj) => { - return typeof ArrayBuffer.isView === "function" - ? ArrayBuffer.isView(obj) - : obj.buffer instanceof ArrayBuffer; -}; -const toString = Object.prototype.toString; -const withNativeBlob = typeof Blob === "function" || - (typeof Blob !== "undefined" && - toString.call(Blob) === "[object BlobConstructor]"); -const withNativeFile = typeof File === "function" || - (typeof File !== "undefined" && - toString.call(File) === "[object FileConstructor]"); -/** - * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. - * - * @private - */ -export function isBinary(obj) { - return ((withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj))) || - (withNativeBlob && obj instanceof Blob) || - (withNativeFile && obj instanceof File)); -} -export function hasBinary(obj, toJSON) { - if (!obj || typeof obj !== "object") { - return false; - } - if (Array.isArray(obj)) { - for (let i = 0, l = obj.length; i < l; i++) { - if (hasBinary(obj[i])) { - return true; - } - } - return false; - } - if (isBinary(obj)) { - return true; - } - if (obj.toJSON && - typeof obj.toJSON === "function" && - arguments.length === 1) { - return hasBinary(obj.toJSON(), true); - } - for (const key in obj) { - if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) { - return true; - } - } - return false; -} diff --git a/examples/axum-echo/node_modules/socket.io-parser/build/esm/package.json b/examples/axum-echo/node_modules/socket.io-parser/build/esm/package.json deleted file mode 100644 index 3dbc1ca5..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/build/esm/package.json +++ /dev/null @@ -1,3 +0,0 @@ -{ - "type": "module" -} diff --git a/examples/axum-echo/node_modules/socket.io-parser/package.json b/examples/axum-echo/node_modules/socket.io-parser/package.json deleted file mode 100644 index 478c8fee..00000000 --- a/examples/axum-echo/node_modules/socket.io-parser/package.json +++ /dev/null @@ -1,58 +0,0 @@ -{ - "name": "socket.io-parser", - "version": "4.2.4", - "description": "socket.io protocol parser", - "repository": { - "type": "git", - "url": "https://github.com/socketio/socket.io-parser.git" - }, - "files": [ - "build/" - ], - "main": "./build/cjs/index.js", - "module": "./build/esm/index.js", - "types": "./build/esm/index.d.ts", - "exports": { - "import": { - "node": "./build/esm-debug/index.js", - "default": "./build/esm/index.js" - }, - "require": "./build/cjs/index.js" - }, - "dependencies": { - "@socket.io/component-emitter": "~3.1.0", - "debug": "~4.3.1" - }, - "devDependencies": { - "@babel/core": "~7.9.6", - "@babel/preset-env": "~7.9.6", - "@babel/register": "^7.18.9", - "@types/debug": "^4.1.5", - "@types/node": "^14.11.1", - "@wdio/cli": "^7.26.0", - "@wdio/local-runner": "^7.26.0", - "@wdio/mocha-framework": "^7.26.0", - "@wdio/sauce-service": "^7.26.0", - "@wdio/spec-reporter": "^7.26.0", - "benchmark": "2.1.2", - "expect.js": "0.3.1", - "mocha": "^10.1.0", - "prettier": "^2.1.2", - "rimraf": "^3.0.2", - "typescript": "^4.0.3", - "wdio-geckodriver-service": "^4.0.0" - }, - "scripts": { - "compile": "rimraf ./build && tsc && tsc -p tsconfig.esm.json && ./postcompile.sh", - "test": "npm run format:check && npm run compile && if test \"$BROWSERS\" = \"1\" ; then npm run test:browser; else npm run test:node; fi", - "test:node": "mocha --reporter dot --bail test/index.js", - "test:browser": "wdio", - "format:fix": "prettier --write --parser typescript '*.js' 'lib/**/*.ts' 'test/**/*.js'", - "format:check": "prettier --check --parser typescript '*.js' 'lib/**/*.ts' 'test/**/*.js'", - "prepack": "npm run compile" - }, - "license": "MIT", - "engines": { - "node": ">=10.0.0" - } -} diff --git a/examples/axum-echo/node_modules/ws/LICENSE b/examples/axum-echo/node_modules/ws/LICENSE deleted file mode 100644 index 65ff176b..00000000 --- a/examples/axum-echo/node_modules/ws/LICENSE +++ /dev/null @@ -1,19 +0,0 @@ -Copyright (c) 2011 Einar Otto Stangvik - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/examples/axum-echo/node_modules/ws/README.md b/examples/axum-echo/node_modules/ws/README.md deleted file mode 100644 index 4ae71f6d..00000000 --- a/examples/axum-echo/node_modules/ws/README.md +++ /dev/null @@ -1,495 +0,0 @@ -# ws: a Node.js WebSocket library - -[![Version npm](https://img.shields.io/npm/v/ws.svg?logo=npm)](https://www.npmjs.com/package/ws) -[![CI](https://img.shields.io/github/workflow/status/websockets/ws/CI/master?label=CI&logo=github)](https://github.com/websockets/ws/actions?query=workflow%3ACI+branch%3Amaster) -[![Coverage Status](https://img.shields.io/coveralls/websockets/ws/master.svg?logo=coveralls)](https://coveralls.io/github/websockets/ws) - -ws is a simple to use, blazing fast, and thoroughly tested WebSocket client and -server implementation. - -Passes the quite extensive Autobahn test suite: [server][server-report], -[client][client-report]. - -**Note**: This module does not work in the browser. The client in the docs is a -reference to a back end with the role of a client in the WebSocket -communication. Browser clients must use the native -[`WebSocket`](https://developer.mozilla.org/en-US/docs/Web/API/WebSocket) -object. To make the same code work seamlessly on Node.js and the browser, you -can use one of the many wrappers available on npm, like -[isomorphic-ws](https://github.com/heineiuo/isomorphic-ws). - -## Table of Contents - -- [Protocol support](#protocol-support) -- [Installing](#installing) - - [Opt-in for performance](#opt-in-for-performance) -- [API docs](#api-docs) -- [WebSocket compression](#websocket-compression) -- [Usage examples](#usage-examples) - - [Sending and receiving text data](#sending-and-receiving-text-data) - - [Sending binary data](#sending-binary-data) - - [Simple server](#simple-server) - - [External HTTP/S server](#external-https-server) - - [Multiple servers sharing a single HTTP/S server](#multiple-servers-sharing-a-single-https-server) - - [Client authentication](#client-authentication) - - [Server broadcast](#server-broadcast) - - [Round-trip time](#round-trip-time) - - [Use the Node.js streams API](#use-the-nodejs-streams-api) - - [Other examples](#other-examples) -- [FAQ](#faq) - - [How to get the IP address of the client?](#how-to-get-the-ip-address-of-the-client) - - [How to detect and close broken connections?](#how-to-detect-and-close-broken-connections) - - [How to connect via a proxy?](#how-to-connect-via-a-proxy) -- [Changelog](#changelog) -- [License](#license) - -## Protocol support - -- **HyBi drafts 07-12** (Use the option `protocolVersion: 8`) -- **HyBi drafts 13-17** (Current default, alternatively option - `protocolVersion: 13`) - -## Installing - -``` -npm install ws -``` - -### Opt-in for performance - -There are 2 optional modules that can be installed along side with the ws -module. These modules are binary addons which improve certain operations. -Prebuilt binaries are available for the most popular platforms so you don't -necessarily need to have a C++ compiler installed on your machine. - -- `npm install --save-optional bufferutil`: Allows to efficiently perform - operations such as masking and unmasking the data payload of the WebSocket - frames. -- `npm install --save-optional utf-8-validate`: Allows to efficiently check if a - message contains valid UTF-8. - -To not even try to require and use these modules, use the -[`WS_NO_BUFFER_UTIL`](./doc/ws.md#ws_no_buffer_util) and -[`WS_NO_UTF_8_VALIDATE`](./doc/ws.md#ws_no_utf_8_validate) environment -variables. These might be useful to enhance security in systems where a user can -put a package in the package search path of an application of another user, due -to how the Node.js resolver algorithm works. - -## API docs - -See [`/doc/ws.md`](./doc/ws.md) for Node.js-like documentation of ws classes and -utility functions. - -## WebSocket compression - -ws supports the [permessage-deflate extension][permessage-deflate] which enables -the client and server to negotiate a compression algorithm and its parameters, -and then selectively apply it to the data payloads of each WebSocket message. - -The extension is disabled by default on the server and enabled by default on the -client. It adds a significant overhead in terms of performance and memory -consumption so we suggest to enable it only if it is really needed. - -Note that Node.js has a variety of issues with high-performance compression, -where increased concurrency, especially on Linux, can lead to [catastrophic -memory fragmentation][node-zlib-bug] and slow performance. If you intend to use -permessage-deflate in production, it is worthwhile to set up a test -representative of your workload and ensure Node.js/zlib will handle it with -acceptable performance and memory usage. - -Tuning of permessage-deflate can be done via the options defined below. You can -also use `zlibDeflateOptions` and `zlibInflateOptions`, which is passed directly -into the creation of [raw deflate/inflate streams][node-zlib-deflaterawdocs]. - -See [the docs][ws-server-options] for more options. - -```js -import WebSocket, { WebSocketServer } from 'ws'; - -const wss = new WebSocketServer({ - port: 8080, - perMessageDeflate: { - zlibDeflateOptions: { - // See zlib defaults. - chunkSize: 1024, - memLevel: 7, - level: 3 - }, - zlibInflateOptions: { - chunkSize: 10 * 1024 - }, - // Other options settable: - clientNoContextTakeover: true, // Defaults to negotiated value. - serverNoContextTakeover: true, // Defaults to negotiated value. - serverMaxWindowBits: 10, // Defaults to negotiated value. - // Below options specified as default values. - concurrencyLimit: 10, // Limits zlib concurrency for perf. - threshold: 1024 // Size (in bytes) below which messages - // should not be compressed if context takeover is disabled. - } -}); -``` - -The client will only use the extension if it is supported and enabled on the -server. To always disable the extension on the client set the -`perMessageDeflate` option to `false`. - -```js -import WebSocket from 'ws'; - -const ws = new WebSocket('ws://www.host.com/path', { - perMessageDeflate: false -}); -``` - -## Usage examples - -### Sending and receiving text data - -```js -import WebSocket from 'ws'; - -const ws = new WebSocket('ws://www.host.com/path'); - -ws.on('open', function open() { - ws.send('something'); -}); - -ws.on('message', function message(data) { - console.log('received: %s', data); -}); -``` - -### Sending binary data - -```js -import WebSocket from 'ws'; - -const ws = new WebSocket('ws://www.host.com/path'); - -ws.on('open', function open() { - const array = new Float32Array(5); - - for (var i = 0; i < array.length; ++i) { - array[i] = i / 2; - } - - ws.send(array); -}); -``` - -### Simple server - -```js -import { WebSocketServer } from 'ws'; - -const wss = new WebSocketServer({ port: 8080 }); - -wss.on('connection', function connection(ws) { - ws.on('message', function message(data) { - console.log('received: %s', data); - }); - - ws.send('something'); -}); -``` - -### External HTTP/S server - -```js -import { createServer } from 'https'; -import { readFileSync } from 'fs'; -import { WebSocketServer } from 'ws'; - -const server = createServer({ - cert: readFileSync('/path/to/cert.pem'), - key: readFileSync('/path/to/key.pem') -}); -const wss = new WebSocketServer({ server }); - -wss.on('connection', function connection(ws) { - ws.on('message', function message(data) { - console.log('received: %s', data); - }); - - ws.send('something'); -}); - -server.listen(8080); -``` - -### Multiple servers sharing a single HTTP/S server - -```js -import { createServer } from 'http'; -import { parse } from 'url'; -import { WebSocketServer } from 'ws'; - -const server = createServer(); -const wss1 = new WebSocketServer({ noServer: true }); -const wss2 = new WebSocketServer({ noServer: true }); - -wss1.on('connection', function connection(ws) { - // ... -}); - -wss2.on('connection', function connection(ws) { - // ... -}); - -server.on('upgrade', function upgrade(request, socket, head) { - const { pathname } = parse(request.url); - - if (pathname === '/foo') { - wss1.handleUpgrade(request, socket, head, function done(ws) { - wss1.emit('connection', ws, request); - }); - } else if (pathname === '/bar') { - wss2.handleUpgrade(request, socket, head, function done(ws) { - wss2.emit('connection', ws, request); - }); - } else { - socket.destroy(); - } -}); - -server.listen(8080); -``` - -### Client authentication - -```js -import { createServer } from 'http'; -import { WebSocketServer } from 'ws'; - -const server = createServer(); -const wss = new WebSocketServer({ noServer: true }); - -wss.on('connection', function connection(ws, request, client) { - ws.on('message', function message(data) { - console.log(`Received message ${data} from user ${client}`); - }); -}); - -server.on('upgrade', function upgrade(request, socket, head) { - // This function is not defined on purpose. Implement it with your own logic. - authenticate(request, function next(err, client) { - if (err || !client) { - socket.write('HTTP/1.1 401 Unauthorized\r\n\r\n'); - socket.destroy(); - return; - } - - wss.handleUpgrade(request, socket, head, function done(ws) { - wss.emit('connection', ws, request, client); - }); - }); -}); - -server.listen(8080); -``` - -Also see the provided [example][session-parse-example] using `express-session`. - -### Server broadcast - -A client WebSocket broadcasting to all connected WebSocket clients, including -itself. - -```js -import WebSocket, { WebSocketServer } from 'ws'; - -const wss = new WebSocketServer({ port: 8080 }); - -wss.on('connection', function connection(ws) { - ws.on('message', function message(data, isBinary) { - wss.clients.forEach(function each(client) { - if (client.readyState === WebSocket.OPEN) { - client.send(data, { binary: isBinary }); - } - }); - }); -}); -``` - -A client WebSocket broadcasting to every other connected WebSocket clients, -excluding itself. - -```js -import WebSocket, { WebSocketServer } from 'ws'; - -const wss = new WebSocketServer({ port: 8080 }); - -wss.on('connection', function connection(ws) { - ws.on('message', function message(data, isBinary) { - wss.clients.forEach(function each(client) { - if (client !== ws && client.readyState === WebSocket.OPEN) { - client.send(data, { binary: isBinary }); - } - }); - }); -}); -``` - -### Round-trip time - -```js -import WebSocket from 'ws'; - -const ws = new WebSocket('wss://websocket-echo.com/'); - -ws.on('open', function open() { - console.log('connected'); - ws.send(Date.now()); -}); - -ws.on('close', function close() { - console.log('disconnected'); -}); - -ws.on('message', function message(data) { - console.log(`Round-trip time: ${Date.now() - data} ms`); - - setTimeout(function timeout() { - ws.send(Date.now()); - }, 500); -}); -``` - -### Use the Node.js streams API - -```js -import WebSocket, { createWebSocketStream } from 'ws'; - -const ws = new WebSocket('wss://websocket-echo.com/'); - -const duplex = createWebSocketStream(ws, { encoding: 'utf8' }); - -duplex.pipe(process.stdout); -process.stdin.pipe(duplex); -``` - -### Other examples - -For a full example with a browser client communicating with a ws server, see the -examples folder. - -Otherwise, see the test cases. - -## FAQ - -### How to get the IP address of the client? - -The remote IP address can be obtained from the raw socket. - -```js -import { WebSocketServer } from 'ws'; - -const wss = new WebSocketServer({ port: 8080 }); - -wss.on('connection', function connection(ws, req) { - const ip = req.socket.remoteAddress; -}); -``` - -When the server runs behind a proxy like NGINX, the de-facto standard is to use -the `X-Forwarded-For` header. - -```js -wss.on('connection', function connection(ws, req) { - const ip = req.headers['x-forwarded-for'].split(',')[0].trim(); -}); -``` - -### How to detect and close broken connections? - -Sometimes the link between the server and the client can be interrupted in a way -that keeps both the server and the client unaware of the broken state of the -connection (e.g. when pulling the cord). - -In these cases ping messages can be used as a means to verify that the remote -endpoint is still responsive. - -```js -import { WebSocketServer } from 'ws'; - -function heartbeat() { - this.isAlive = true; -} - -const wss = new WebSocketServer({ port: 8080 }); - -wss.on('connection', function connection(ws) { - ws.isAlive = true; - ws.on('pong', heartbeat); -}); - -const interval = setInterval(function ping() { - wss.clients.forEach(function each(ws) { - if (ws.isAlive === false) return ws.terminate(); - - ws.isAlive = false; - ws.ping(); - }); -}, 30000); - -wss.on('close', function close() { - clearInterval(interval); -}); -``` - -Pong messages are automatically sent in response to ping messages as required by -the spec. - -Just like the server example above your clients might as well lose connection -without knowing it. You might want to add a ping listener on your clients to -prevent that. A simple implementation would be: - -```js -import WebSocket from 'ws'; - -function heartbeat() { - clearTimeout(this.pingTimeout); - - // Use `WebSocket#terminate()`, which immediately destroys the connection, - // instead of `WebSocket#close()`, which waits for the close timer. - // Delay should be equal to the interval at which your server - // sends out pings plus a conservative assumption of the latency. - this.pingTimeout = setTimeout(() => { - this.terminate(); - }, 30000 + 1000); -} - -const client = new WebSocket('wss://websocket-echo.com/'); - -client.on('open', heartbeat); -client.on('ping', heartbeat); -client.on('close', function clear() { - clearTimeout(this.pingTimeout); -}); -``` - -### How to connect via a proxy? - -Use a custom `http.Agent` implementation like [https-proxy-agent][] or -[socks-proxy-agent][]. - -## Changelog - -We're using the GitHub [releases][changelog] for changelog entries. - -## License - -[MIT](LICENSE) - -[changelog]: https://github.com/websockets/ws/releases -[client-report]: http://websockets.github.io/ws/autobahn/clients/ -[https-proxy-agent]: https://github.com/TooTallNate/node-https-proxy-agent -[node-zlib-bug]: https://github.com/nodejs/node/issues/8871 -[node-zlib-deflaterawdocs]: - https://nodejs.org/api/zlib.html#zlib_zlib_createdeflateraw_options -[permessage-deflate]: https://tools.ietf.org/html/rfc7692 -[server-report]: http://websockets.github.io/ws/autobahn/servers/ -[session-parse-example]: ./examples/express-session-parse -[socks-proxy-agent]: https://github.com/TooTallNate/node-socks-proxy-agent -[ws-server-options]: ./doc/ws.md#new-websocketserveroptions-callback diff --git a/examples/axum-echo/node_modules/ws/browser.js b/examples/axum-echo/node_modules/ws/browser.js deleted file mode 100644 index ca4f628a..00000000 --- a/examples/axum-echo/node_modules/ws/browser.js +++ /dev/null @@ -1,8 +0,0 @@ -'use strict'; - -module.exports = function () { - throw new Error( - 'ws does not work in the browser. Browser clients must use the native ' + - 'WebSocket object' - ); -}; diff --git a/examples/axum-echo/node_modules/ws/index.js b/examples/axum-echo/node_modules/ws/index.js deleted file mode 100644 index 41edb3b8..00000000 --- a/examples/axum-echo/node_modules/ws/index.js +++ /dev/null @@ -1,13 +0,0 @@ -'use strict'; - -const WebSocket = require('./lib/websocket'); - -WebSocket.createWebSocketStream = require('./lib/stream'); -WebSocket.Server = require('./lib/websocket-server'); -WebSocket.Receiver = require('./lib/receiver'); -WebSocket.Sender = require('./lib/sender'); - -WebSocket.WebSocket = WebSocket; -WebSocket.WebSocketServer = WebSocket.Server; - -module.exports = WebSocket; diff --git a/examples/axum-echo/node_modules/ws/lib/buffer-util.js b/examples/axum-echo/node_modules/ws/lib/buffer-util.js deleted file mode 100644 index df759554..00000000 --- a/examples/axum-echo/node_modules/ws/lib/buffer-util.js +++ /dev/null @@ -1,127 +0,0 @@ -'use strict'; - -const { EMPTY_BUFFER } = require('./constants'); - -/** - * Merges an array of buffers into a new buffer. - * - * @param {Buffer[]} list The array of buffers to concat - * @param {Number} totalLength The total length of buffers in the list - * @return {Buffer} The resulting buffer - * @public - */ -function concat(list, totalLength) { - if (list.length === 0) return EMPTY_BUFFER; - if (list.length === 1) return list[0]; - - const target = Buffer.allocUnsafe(totalLength); - let offset = 0; - - for (let i = 0; i < list.length; i++) { - const buf = list[i]; - target.set(buf, offset); - offset += buf.length; - } - - if (offset < totalLength) return target.slice(0, offset); - - return target; -} - -/** - * Masks a buffer using the given mask. - * - * @param {Buffer} source The buffer to mask - * @param {Buffer} mask The mask to use - * @param {Buffer} output The buffer where to store the result - * @param {Number} offset The offset at which to start writing - * @param {Number} length The number of bytes to mask. - * @public - */ -function _mask(source, mask, output, offset, length) { - for (let i = 0; i < length; i++) { - output[offset + i] = source[i] ^ mask[i & 3]; - } -} - -/** - * Unmasks a buffer using the given mask. - * - * @param {Buffer} buffer The buffer to unmask - * @param {Buffer} mask The mask to use - * @public - */ -function _unmask(buffer, mask) { - for (let i = 0; i < buffer.length; i++) { - buffer[i] ^= mask[i & 3]; - } -} - -/** - * Converts a buffer to an `ArrayBuffer`. - * - * @param {Buffer} buf The buffer to convert - * @return {ArrayBuffer} Converted buffer - * @public - */ -function toArrayBuffer(buf) { - if (buf.byteLength === buf.buffer.byteLength) { - return buf.buffer; - } - - return buf.buffer.slice(buf.byteOffset, buf.byteOffset + buf.byteLength); -} - -/** - * Converts `data` to a `Buffer`. - * - * @param {*} data The data to convert - * @return {Buffer} The buffer - * @throws {TypeError} - * @public - */ -function toBuffer(data) { - toBuffer.readOnly = true; - - if (Buffer.isBuffer(data)) return data; - - let buf; - - if (data instanceof ArrayBuffer) { - buf = Buffer.from(data); - } else if (ArrayBuffer.isView(data)) { - buf = Buffer.from(data.buffer, data.byteOffset, data.byteLength); - } else { - buf = Buffer.from(data); - toBuffer.readOnly = false; - } - - return buf; -} - -module.exports = { - concat, - mask: _mask, - toArrayBuffer, - toBuffer, - unmask: _unmask -}; - -/* istanbul ignore else */ -if (!process.env.WS_NO_BUFFER_UTIL) { - try { - const bufferUtil = require('bufferutil'); - - module.exports.mask = function (source, mask, output, offset, length) { - if (length < 48) _mask(source, mask, output, offset, length); - else bufferUtil.mask(source, mask, output, offset, length); - }; - - module.exports.unmask = function (buffer, mask) { - if (buffer.length < 32) _unmask(buffer, mask); - else bufferUtil.unmask(buffer, mask); - }; - } catch (e) { - // Continue regardless of the error. - } -} diff --git a/examples/axum-echo/node_modules/ws/lib/constants.js b/examples/axum-echo/node_modules/ws/lib/constants.js deleted file mode 100644 index d691b30a..00000000 --- a/examples/axum-echo/node_modules/ws/lib/constants.js +++ /dev/null @@ -1,12 +0,0 @@ -'use strict'; - -module.exports = { - BINARY_TYPES: ['nodebuffer', 'arraybuffer', 'fragments'], - EMPTY_BUFFER: Buffer.alloc(0), - GUID: '258EAFA5-E914-47DA-95CA-C5AB0DC85B11', - kForOnEventAttribute: Symbol('kIsForOnEventAttribute'), - kListener: Symbol('kListener'), - kStatusCode: Symbol('status-code'), - kWebSocket: Symbol('websocket'), - NOOP: () => {} -}; diff --git a/examples/axum-echo/node_modules/ws/lib/event-target.js b/examples/axum-echo/node_modules/ws/lib/event-target.js deleted file mode 100644 index fea4cbc5..00000000 --- a/examples/axum-echo/node_modules/ws/lib/event-target.js +++ /dev/null @@ -1,292 +0,0 @@ -'use strict'; - -const { kForOnEventAttribute, kListener } = require('./constants'); - -const kCode = Symbol('kCode'); -const kData = Symbol('kData'); -const kError = Symbol('kError'); -const kMessage = Symbol('kMessage'); -const kReason = Symbol('kReason'); -const kTarget = Symbol('kTarget'); -const kType = Symbol('kType'); -const kWasClean = Symbol('kWasClean'); - -/** - * Class representing an event. - */ -class Event { - /** - * Create a new `Event`. - * - * @param {String} type The name of the event - * @throws {TypeError} If the `type` argument is not specified - */ - constructor(type) { - this[kTarget] = null; - this[kType] = type; - } - - /** - * @type {*} - */ - get target() { - return this[kTarget]; - } - - /** - * @type {String} - */ - get type() { - return this[kType]; - } -} - -Object.defineProperty(Event.prototype, 'target', { enumerable: true }); -Object.defineProperty(Event.prototype, 'type', { enumerable: true }); - -/** - * Class representing a close event. - * - * @extends Event - */ -class CloseEvent extends Event { - /** - * Create a new `CloseEvent`. - * - * @param {String} type The name of the event - * @param {Object} [options] A dictionary object that allows for setting - * attributes via object members of the same name - * @param {Number} [options.code=0] The status code explaining why the - * connection was closed - * @param {String} [options.reason=''] A human-readable string explaining why - * the connection was closed - * @param {Boolean} [options.wasClean=false] Indicates whether or not the - * connection was cleanly closed - */ - constructor(type, options = {}) { - super(type); - - this[kCode] = options.code === undefined ? 0 : options.code; - this[kReason] = options.reason === undefined ? '' : options.reason; - this[kWasClean] = options.wasClean === undefined ? false : options.wasClean; - } - - /** - * @type {Number} - */ - get code() { - return this[kCode]; - } - - /** - * @type {String} - */ - get reason() { - return this[kReason]; - } - - /** - * @type {Boolean} - */ - get wasClean() { - return this[kWasClean]; - } -} - -Object.defineProperty(CloseEvent.prototype, 'code', { enumerable: true }); -Object.defineProperty(CloseEvent.prototype, 'reason', { enumerable: true }); -Object.defineProperty(CloseEvent.prototype, 'wasClean', { enumerable: true }); - -/** - * Class representing an error event. - * - * @extends Event - */ -class ErrorEvent extends Event { - /** - * Create a new `ErrorEvent`. - * - * @param {String} type The name of the event - * @param {Object} [options] A dictionary object that allows for setting - * attributes via object members of the same name - * @param {*} [options.error=null] The error that generated this event - * @param {String} [options.message=''] The error message - */ - constructor(type, options = {}) { - super(type); - - this[kError] = options.error === undefined ? null : options.error; - this[kMessage] = options.message === undefined ? '' : options.message; - } - - /** - * @type {*} - */ - get error() { - return this[kError]; - } - - /** - * @type {String} - */ - get message() { - return this[kMessage]; - } -} - -Object.defineProperty(ErrorEvent.prototype, 'error', { enumerable: true }); -Object.defineProperty(ErrorEvent.prototype, 'message', { enumerable: true }); - -/** - * Class representing a message event. - * - * @extends Event - */ -class MessageEvent extends Event { - /** - * Create a new `MessageEvent`. - * - * @param {String} type The name of the event - * @param {Object} [options] A dictionary object that allows for setting - * attributes via object members of the same name - * @param {*} [options.data=null] The message content - */ - constructor(type, options = {}) { - super(type); - - this[kData] = options.data === undefined ? null : options.data; - } - - /** - * @type {*} - */ - get data() { - return this[kData]; - } -} - -Object.defineProperty(MessageEvent.prototype, 'data', { enumerable: true }); - -/** - * This provides methods for emulating the `EventTarget` interface. It's not - * meant to be used directly. - * - * @mixin - */ -const EventTarget = { - /** - * Register an event listener. - * - * @param {String} type A string representing the event type to listen for - * @param {(Function|Object)} handler The listener to add - * @param {Object} [options] An options object specifies characteristics about - * the event listener - * @param {Boolean} [options.once=false] A `Boolean` indicating that the - * listener should be invoked at most once after being added. If `true`, - * the listener would be automatically removed when invoked. - * @public - */ - addEventListener(type, handler, options = {}) { - for (const listener of this.listeners(type)) { - if ( - !options[kForOnEventAttribute] && - listener[kListener] === handler && - !listener[kForOnEventAttribute] - ) { - return; - } - } - - let wrapper; - - if (type === 'message') { - wrapper = function onMessage(data, isBinary) { - const event = new MessageEvent('message', { - data: isBinary ? data : data.toString() - }); - - event[kTarget] = this; - callListener(handler, this, event); - }; - } else if (type === 'close') { - wrapper = function onClose(code, message) { - const event = new CloseEvent('close', { - code, - reason: message.toString(), - wasClean: this._closeFrameReceived && this._closeFrameSent - }); - - event[kTarget] = this; - callListener(handler, this, event); - }; - } else if (type === 'error') { - wrapper = function onError(error) { - const event = new ErrorEvent('error', { - error, - message: error.message - }); - - event[kTarget] = this; - callListener(handler, this, event); - }; - } else if (type === 'open') { - wrapper = function onOpen() { - const event = new Event('open'); - - event[kTarget] = this; - callListener(handler, this, event); - }; - } else { - return; - } - - wrapper[kForOnEventAttribute] = !!options[kForOnEventAttribute]; - wrapper[kListener] = handler; - - if (options.once) { - this.once(type, wrapper); - } else { - this.on(type, wrapper); - } - }, - - /** - * Remove an event listener. - * - * @param {String} type A string representing the event type to remove - * @param {(Function|Object)} handler The listener to remove - * @public - */ - removeEventListener(type, handler) { - for (const listener of this.listeners(type)) { - if (listener[kListener] === handler && !listener[kForOnEventAttribute]) { - this.removeListener(type, listener); - break; - } - } - } -}; - -module.exports = { - CloseEvent, - ErrorEvent, - Event, - EventTarget, - MessageEvent -}; - -/** - * Call an event listener - * - * @param {(Function|Object)} listener The listener to call - * @param {*} thisArg The value to use as `this`` when calling the listener - * @param {Event} event The event to pass to the listener - * @private - */ -function callListener(listener, thisArg, event) { - if (typeof listener === 'object' && listener.handleEvent) { - listener.handleEvent.call(listener, event); - } else { - listener.call(thisArg, event); - } -} diff --git a/examples/axum-echo/node_modules/ws/lib/extension.js b/examples/axum-echo/node_modules/ws/lib/extension.js deleted file mode 100644 index 3d7895c1..00000000 --- a/examples/axum-echo/node_modules/ws/lib/extension.js +++ /dev/null @@ -1,203 +0,0 @@ -'use strict'; - -const { tokenChars } = require('./validation'); - -/** - * Adds an offer to the map of extension offers or a parameter to the map of - * parameters. - * - * @param {Object} dest The map of extension offers or parameters - * @param {String} name The extension or parameter name - * @param {(Object|Boolean|String)} elem The extension parameters or the - * parameter value - * @private - */ -function push(dest, name, elem) { - if (dest[name] === undefined) dest[name] = [elem]; - else dest[name].push(elem); -} - -/** - * Parses the `Sec-WebSocket-Extensions` header into an object. - * - * @param {String} header The field value of the header - * @return {Object} The parsed object - * @public - */ -function parse(header) { - const offers = Object.create(null); - let params = Object.create(null); - let mustUnescape = false; - let isEscaping = false; - let inQuotes = false; - let extensionName; - let paramName; - let start = -1; - let code = -1; - let end = -1; - let i = 0; - - for (; i < header.length; i++) { - code = header.charCodeAt(i); - - if (extensionName === undefined) { - if (end === -1 && tokenChars[code] === 1) { - if (start === -1) start = i; - } else if ( - i !== 0 && - (code === 0x20 /* ' ' */ || code === 0x09) /* '\t' */ - ) { - if (end === -1 && start !== -1) end = i; - } else if (code === 0x3b /* ';' */ || code === 0x2c /* ',' */) { - if (start === -1) { - throw new SyntaxError(`Unexpected character at index ${i}`); - } - - if (end === -1) end = i; - const name = header.slice(start, end); - if (code === 0x2c) { - push(offers, name, params); - params = Object.create(null); - } else { - extensionName = name; - } - - start = end = -1; - } else { - throw new SyntaxError(`Unexpected character at index ${i}`); - } - } else if (paramName === undefined) { - if (end === -1 && tokenChars[code] === 1) { - if (start === -1) start = i; - } else if (code === 0x20 || code === 0x09) { - if (end === -1 && start !== -1) end = i; - } else if (code === 0x3b || code === 0x2c) { - if (start === -1) { - throw new SyntaxError(`Unexpected character at index ${i}`); - } - - if (end === -1) end = i; - push(params, header.slice(start, end), true); - if (code === 0x2c) { - push(offers, extensionName, params); - params = Object.create(null); - extensionName = undefined; - } - - start = end = -1; - } else if (code === 0x3d /* '=' */ && start !== -1 && end === -1) { - paramName = header.slice(start, i); - start = end = -1; - } else { - throw new SyntaxError(`Unexpected character at index ${i}`); - } - } else { - // - // The value of a quoted-string after unescaping must conform to the - // token ABNF, so only token characters are valid. - // Ref: https://tools.ietf.org/html/rfc6455#section-9.1 - // - if (isEscaping) { - if (tokenChars[code] !== 1) { - throw new SyntaxError(`Unexpected character at index ${i}`); - } - if (start === -1) start = i; - else if (!mustUnescape) mustUnescape = true; - isEscaping = false; - } else if (inQuotes) { - if (tokenChars[code] === 1) { - if (start === -1) start = i; - } else if (code === 0x22 /* '"' */ && start !== -1) { - inQuotes = false; - end = i; - } else if (code === 0x5c /* '\' */) { - isEscaping = true; - } else { - throw new SyntaxError(`Unexpected character at index ${i}`); - } - } else if (code === 0x22 && header.charCodeAt(i - 1) === 0x3d) { - inQuotes = true; - } else if (end === -1 && tokenChars[code] === 1) { - if (start === -1) start = i; - } else if (start !== -1 && (code === 0x20 || code === 0x09)) { - if (end === -1) end = i; - } else if (code === 0x3b || code === 0x2c) { - if (start === -1) { - throw new SyntaxError(`Unexpected character at index ${i}`); - } - - if (end === -1) end = i; - let value = header.slice(start, end); - if (mustUnescape) { - value = value.replace(/\\/g, ''); - mustUnescape = false; - } - push(params, paramName, value); - if (code === 0x2c) { - push(offers, extensionName, params); - params = Object.create(null); - extensionName = undefined; - } - - paramName = undefined; - start = end = -1; - } else { - throw new SyntaxError(`Unexpected character at index ${i}`); - } - } - } - - if (start === -1 || inQuotes || code === 0x20 || code === 0x09) { - throw new SyntaxError('Unexpected end of input'); - } - - if (end === -1) end = i; - const token = header.slice(start, end); - if (extensionName === undefined) { - push(offers, token, params); - } else { - if (paramName === undefined) { - push(params, token, true); - } else if (mustUnescape) { - push(params, paramName, token.replace(/\\/g, '')); - } else { - push(params, paramName, token); - } - push(offers, extensionName, params); - } - - return offers; -} - -/** - * Builds the `Sec-WebSocket-Extensions` header field value. - * - * @param {Object} extensions The map of extensions and parameters to format - * @return {String} A string representing the given object - * @public - */ -function format(extensions) { - return Object.keys(extensions) - .map((extension) => { - let configurations = extensions[extension]; - if (!Array.isArray(configurations)) configurations = [configurations]; - return configurations - .map((params) => { - return [extension] - .concat( - Object.keys(params).map((k) => { - let values = params[k]; - if (!Array.isArray(values)) values = [values]; - return values - .map((v) => (v === true ? k : `${k}=${v}`)) - .join('; '); - }) - ) - .join('; '); - }) - .join(', '); - }) - .join(', '); -} - -module.exports = { format, parse }; diff --git a/examples/axum-echo/node_modules/ws/lib/limiter.js b/examples/axum-echo/node_modules/ws/lib/limiter.js deleted file mode 100644 index 3fd35784..00000000 --- a/examples/axum-echo/node_modules/ws/lib/limiter.js +++ /dev/null @@ -1,55 +0,0 @@ -'use strict'; - -const kDone = Symbol('kDone'); -const kRun = Symbol('kRun'); - -/** - * A very simple job queue with adjustable concurrency. Adapted from - * https://github.com/STRML/async-limiter - */ -class Limiter { - /** - * Creates a new `Limiter`. - * - * @param {Number} [concurrency=Infinity] The maximum number of jobs allowed - * to run concurrently - */ - constructor(concurrency) { - this[kDone] = () => { - this.pending--; - this[kRun](); - }; - this.concurrency = concurrency || Infinity; - this.jobs = []; - this.pending = 0; - } - - /** - * Adds a job to the queue. - * - * @param {Function} job The job to run - * @public - */ - add(job) { - this.jobs.push(job); - this[kRun](); - } - - /** - * Removes a job from the queue and runs it if possible. - * - * @private - */ - [kRun]() { - if (this.pending === this.concurrency) return; - - if (this.jobs.length) { - const job = this.jobs.shift(); - - this.pending++; - job(this[kDone]); - } - } -} - -module.exports = Limiter; diff --git a/examples/axum-echo/node_modules/ws/lib/permessage-deflate.js b/examples/axum-echo/node_modules/ws/lib/permessage-deflate.js deleted file mode 100644 index 94603c98..00000000 --- a/examples/axum-echo/node_modules/ws/lib/permessage-deflate.js +++ /dev/null @@ -1,511 +0,0 @@ -'use strict'; - -const zlib = require('zlib'); - -const bufferUtil = require('./buffer-util'); -const Limiter = require('./limiter'); -const { kStatusCode } = require('./constants'); - -const TRAILER = Buffer.from([0x00, 0x00, 0xff, 0xff]); -const kPerMessageDeflate = Symbol('permessage-deflate'); -const kTotalLength = Symbol('total-length'); -const kCallback = Symbol('callback'); -const kBuffers = Symbol('buffers'); -const kError = Symbol('error'); - -// -// We limit zlib concurrency, which prevents severe memory fragmentation -// as documented in https://github.com/nodejs/node/issues/8871#issuecomment-250915913 -// and https://github.com/websockets/ws/issues/1202 -// -// Intentionally global; it's the global thread pool that's an issue. -// -let zlibLimiter; - -/** - * permessage-deflate implementation. - */ -class PerMessageDeflate { - /** - * Creates a PerMessageDeflate instance. - * - * @param {Object} [options] Configuration options - * @param {(Boolean|Number)} [options.clientMaxWindowBits] Advertise support - * for, or request, a custom client window size - * @param {Boolean} [options.clientNoContextTakeover=false] Advertise/ - * acknowledge disabling of client context takeover - * @param {Number} [options.concurrencyLimit=10] The number of concurrent - * calls to zlib - * @param {(Boolean|Number)} [options.serverMaxWindowBits] Request/confirm the - * use of a custom server window size - * @param {Boolean} [options.serverNoContextTakeover=false] Request/accept - * disabling of server context takeover - * @param {Number} [options.threshold=1024] Size (in bytes) below which - * messages should not be compressed if context takeover is disabled - * @param {Object} [options.zlibDeflateOptions] Options to pass to zlib on - * deflate - * @param {Object} [options.zlibInflateOptions] Options to pass to zlib on - * inflate - * @param {Boolean} [isServer=false] Create the instance in either server or - * client mode - * @param {Number} [maxPayload=0] The maximum allowed message length - */ - constructor(options, isServer, maxPayload) { - this._maxPayload = maxPayload | 0; - this._options = options || {}; - this._threshold = - this._options.threshold !== undefined ? this._options.threshold : 1024; - this._isServer = !!isServer; - this._deflate = null; - this._inflate = null; - - this.params = null; - - if (!zlibLimiter) { - const concurrency = - this._options.concurrencyLimit !== undefined - ? this._options.concurrencyLimit - : 10; - zlibLimiter = new Limiter(concurrency); - } - } - - /** - * @type {String} - */ - static get extensionName() { - return 'permessage-deflate'; - } - - /** - * Create an extension negotiation offer. - * - * @return {Object} Extension parameters - * @public - */ - offer() { - const params = {}; - - if (this._options.serverNoContextTakeover) { - params.server_no_context_takeover = true; - } - if (this._options.clientNoContextTakeover) { - params.client_no_context_takeover = true; - } - if (this._options.serverMaxWindowBits) { - params.server_max_window_bits = this._options.serverMaxWindowBits; - } - if (this._options.clientMaxWindowBits) { - params.client_max_window_bits = this._options.clientMaxWindowBits; - } else if (this._options.clientMaxWindowBits == null) { - params.client_max_window_bits = true; - } - - return params; - } - - /** - * Accept an extension negotiation offer/response. - * - * @param {Array} configurations The extension negotiation offers/reponse - * @return {Object} Accepted configuration - * @public - */ - accept(configurations) { - configurations = this.normalizeParams(configurations); - - this.params = this._isServer - ? this.acceptAsServer(configurations) - : this.acceptAsClient(configurations); - - return this.params; - } - - /** - * Releases all resources used by the extension. - * - * @public - */ - cleanup() { - if (this._inflate) { - this._inflate.close(); - this._inflate = null; - } - - if (this._deflate) { - const callback = this._deflate[kCallback]; - - this._deflate.close(); - this._deflate = null; - - if (callback) { - callback( - new Error( - 'The deflate stream was closed while data was being processed' - ) - ); - } - } - } - - /** - * Accept an extension negotiation offer. - * - * @param {Array} offers The extension negotiation offers - * @return {Object} Accepted configuration - * @private - */ - acceptAsServer(offers) { - const opts = this._options; - const accepted = offers.find((params) => { - if ( - (opts.serverNoContextTakeover === false && - params.server_no_context_takeover) || - (params.server_max_window_bits && - (opts.serverMaxWindowBits === false || - (typeof opts.serverMaxWindowBits === 'number' && - opts.serverMaxWindowBits > params.server_max_window_bits))) || - (typeof opts.clientMaxWindowBits === 'number' && - !params.client_max_window_bits) - ) { - return false; - } - - return true; - }); - - if (!accepted) { - throw new Error('None of the extension offers can be accepted'); - } - - if (opts.serverNoContextTakeover) { - accepted.server_no_context_takeover = true; - } - if (opts.clientNoContextTakeover) { - accepted.client_no_context_takeover = true; - } - if (typeof opts.serverMaxWindowBits === 'number') { - accepted.server_max_window_bits = opts.serverMaxWindowBits; - } - if (typeof opts.clientMaxWindowBits === 'number') { - accepted.client_max_window_bits = opts.clientMaxWindowBits; - } else if ( - accepted.client_max_window_bits === true || - opts.clientMaxWindowBits === false - ) { - delete accepted.client_max_window_bits; - } - - return accepted; - } - - /** - * Accept the extension negotiation response. - * - * @param {Array} response The extension negotiation response - * @return {Object} Accepted configuration - * @private - */ - acceptAsClient(response) { - const params = response[0]; - - if ( - this._options.clientNoContextTakeover === false && - params.client_no_context_takeover - ) { - throw new Error('Unexpected parameter "client_no_context_takeover"'); - } - - if (!params.client_max_window_bits) { - if (typeof this._options.clientMaxWindowBits === 'number') { - params.client_max_window_bits = this._options.clientMaxWindowBits; - } - } else if ( - this._options.clientMaxWindowBits === false || - (typeof this._options.clientMaxWindowBits === 'number' && - params.client_max_window_bits > this._options.clientMaxWindowBits) - ) { - throw new Error( - 'Unexpected or invalid parameter "client_max_window_bits"' - ); - } - - return params; - } - - /** - * Normalize parameters. - * - * @param {Array} configurations The extension negotiation offers/reponse - * @return {Array} The offers/response with normalized parameters - * @private - */ - normalizeParams(configurations) { - configurations.forEach((params) => { - Object.keys(params).forEach((key) => { - let value = params[key]; - - if (value.length > 1) { - throw new Error(`Parameter "${key}" must have only a single value`); - } - - value = value[0]; - - if (key === 'client_max_window_bits') { - if (value !== true) { - const num = +value; - if (!Number.isInteger(num) || num < 8 || num > 15) { - throw new TypeError( - `Invalid value for parameter "${key}": ${value}` - ); - } - value = num; - } else if (!this._isServer) { - throw new TypeError( - `Invalid value for parameter "${key}": ${value}` - ); - } - } else if (key === 'server_max_window_bits') { - const num = +value; - if (!Number.isInteger(num) || num < 8 || num > 15) { - throw new TypeError( - `Invalid value for parameter "${key}": ${value}` - ); - } - value = num; - } else if ( - key === 'client_no_context_takeover' || - key === 'server_no_context_takeover' - ) { - if (value !== true) { - throw new TypeError( - `Invalid value for parameter "${key}": ${value}` - ); - } - } else { - throw new Error(`Unknown parameter "${key}"`); - } - - params[key] = value; - }); - }); - - return configurations; - } - - /** - * Decompress data. Concurrency limited. - * - * @param {Buffer} data Compressed data - * @param {Boolean} fin Specifies whether or not this is the last fragment - * @param {Function} callback Callback - * @public - */ - decompress(data, fin, callback) { - zlibLimiter.add((done) => { - this._decompress(data, fin, (err, result) => { - done(); - callback(err, result); - }); - }); - } - - /** - * Compress data. Concurrency limited. - * - * @param {(Buffer|String)} data Data to compress - * @param {Boolean} fin Specifies whether or not this is the last fragment - * @param {Function} callback Callback - * @public - */ - compress(data, fin, callback) { - zlibLimiter.add((done) => { - this._compress(data, fin, (err, result) => { - done(); - callback(err, result); - }); - }); - } - - /** - * Decompress data. - * - * @param {Buffer} data Compressed data - * @param {Boolean} fin Specifies whether or not this is the last fragment - * @param {Function} callback Callback - * @private - */ - _decompress(data, fin, callback) { - const endpoint = this._isServer ? 'client' : 'server'; - - if (!this._inflate) { - const key = `${endpoint}_max_window_bits`; - const windowBits = - typeof this.params[key] !== 'number' - ? zlib.Z_DEFAULT_WINDOWBITS - : this.params[key]; - - this._inflate = zlib.createInflateRaw({ - ...this._options.zlibInflateOptions, - windowBits - }); - this._inflate[kPerMessageDeflate] = this; - this._inflate[kTotalLength] = 0; - this._inflate[kBuffers] = []; - this._inflate.on('error', inflateOnError); - this._inflate.on('data', inflateOnData); - } - - this._inflate[kCallback] = callback; - - this._inflate.write(data); - if (fin) this._inflate.write(TRAILER); - - this._inflate.flush(() => { - const err = this._inflate[kError]; - - if (err) { - this._inflate.close(); - this._inflate = null; - callback(err); - return; - } - - const data = bufferUtil.concat( - this._inflate[kBuffers], - this._inflate[kTotalLength] - ); - - if (this._inflate._readableState.endEmitted) { - this._inflate.close(); - this._inflate = null; - } else { - this._inflate[kTotalLength] = 0; - this._inflate[kBuffers] = []; - - if (fin && this.params[`${endpoint}_no_context_takeover`]) { - this._inflate.reset(); - } - } - - callback(null, data); - }); - } - - /** - * Compress data. - * - * @param {(Buffer|String)} data Data to compress - * @param {Boolean} fin Specifies whether or not this is the last fragment - * @param {Function} callback Callback - * @private - */ - _compress(data, fin, callback) { - const endpoint = this._isServer ? 'server' : 'client'; - - if (!this._deflate) { - const key = `${endpoint}_max_window_bits`; - const windowBits = - typeof this.params[key] !== 'number' - ? zlib.Z_DEFAULT_WINDOWBITS - : this.params[key]; - - this._deflate = zlib.createDeflateRaw({ - ...this._options.zlibDeflateOptions, - windowBits - }); - - this._deflate[kTotalLength] = 0; - this._deflate[kBuffers] = []; - - this._deflate.on('data', deflateOnData); - } - - this._deflate[kCallback] = callback; - - this._deflate.write(data); - this._deflate.flush(zlib.Z_SYNC_FLUSH, () => { - if (!this._deflate) { - // - // The deflate stream was closed while data was being processed. - // - return; - } - - let data = bufferUtil.concat( - this._deflate[kBuffers], - this._deflate[kTotalLength] - ); - - if (fin) data = data.slice(0, data.length - 4); - - // - // Ensure that the callback will not be called again in - // `PerMessageDeflate#cleanup()`. - // - this._deflate[kCallback] = null; - - this._deflate[kTotalLength] = 0; - this._deflate[kBuffers] = []; - - if (fin && this.params[`${endpoint}_no_context_takeover`]) { - this._deflate.reset(); - } - - callback(null, data); - }); - } -} - -module.exports = PerMessageDeflate; - -/** - * The listener of the `zlib.DeflateRaw` stream `'data'` event. - * - * @param {Buffer} chunk A chunk of data - * @private - */ -function deflateOnData(chunk) { - this[kBuffers].push(chunk); - this[kTotalLength] += chunk.length; -} - -/** - * The listener of the `zlib.InflateRaw` stream `'data'` event. - * - * @param {Buffer} chunk A chunk of data - * @private - */ -function inflateOnData(chunk) { - this[kTotalLength] += chunk.length; - - if ( - this[kPerMessageDeflate]._maxPayload < 1 || - this[kTotalLength] <= this[kPerMessageDeflate]._maxPayload - ) { - this[kBuffers].push(chunk); - return; - } - - this[kError] = new RangeError('Max payload size exceeded'); - this[kError].code = 'WS_ERR_UNSUPPORTED_MESSAGE_LENGTH'; - this[kError][kStatusCode] = 1009; - this.removeListener('data', inflateOnData); - this.reset(); -} - -/** - * The listener of the `zlib.InflateRaw` stream `'error'` event. - * - * @param {Error} err The emitted error - * @private - */ -function inflateOnError(err) { - // - // There is no need to call `Zlib#close()` as the handle is automatically - // closed when an error is emitted. - // - this[kPerMessageDeflate]._inflate = null; - err[kStatusCode] = 1007; - this[kCallback](err); -} diff --git a/examples/axum-echo/node_modules/ws/lib/receiver.js b/examples/axum-echo/node_modules/ws/lib/receiver.js deleted file mode 100644 index 2d29d62b..00000000 --- a/examples/axum-echo/node_modules/ws/lib/receiver.js +++ /dev/null @@ -1,618 +0,0 @@ -'use strict'; - -const { Writable } = require('stream'); - -const PerMessageDeflate = require('./permessage-deflate'); -const { - BINARY_TYPES, - EMPTY_BUFFER, - kStatusCode, - kWebSocket -} = require('./constants'); -const { concat, toArrayBuffer, unmask } = require('./buffer-util'); -const { isValidStatusCode, isValidUTF8 } = require('./validation'); - -const GET_INFO = 0; -const GET_PAYLOAD_LENGTH_16 = 1; -const GET_PAYLOAD_LENGTH_64 = 2; -const GET_MASK = 3; -const GET_DATA = 4; -const INFLATING = 5; - -/** - * HyBi Receiver implementation. - * - * @extends Writable - */ -class Receiver extends Writable { - /** - * Creates a Receiver instance. - * - * @param {Object} [options] Options object - * @param {String} [options.binaryType=nodebuffer] The type for binary data - * @param {Object} [options.extensions] An object containing the negotiated - * extensions - * @param {Boolean} [options.isServer=false] Specifies whether to operate in - * client or server mode - * @param {Number} [options.maxPayload=0] The maximum allowed message length - * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or - * not to skip UTF-8 validation for text and close messages - */ - constructor(options = {}) { - super(); - - this._binaryType = options.binaryType || BINARY_TYPES[0]; - this._extensions = options.extensions || {}; - this._isServer = !!options.isServer; - this._maxPayload = options.maxPayload | 0; - this._skipUTF8Validation = !!options.skipUTF8Validation; - this[kWebSocket] = undefined; - - this._bufferedBytes = 0; - this._buffers = []; - - this._compressed = false; - this._payloadLength = 0; - this._mask = undefined; - this._fragmented = 0; - this._masked = false; - this._fin = false; - this._opcode = 0; - - this._totalPayloadLength = 0; - this._messageLength = 0; - this._fragments = []; - - this._state = GET_INFO; - this._loop = false; - } - - /** - * Implements `Writable.prototype._write()`. - * - * @param {Buffer} chunk The chunk of data to write - * @param {String} encoding The character encoding of `chunk` - * @param {Function} cb Callback - * @private - */ - _write(chunk, encoding, cb) { - if (this._opcode === 0x08 && this._state == GET_INFO) return cb(); - - this._bufferedBytes += chunk.length; - this._buffers.push(chunk); - this.startLoop(cb); - } - - /** - * Consumes `n` bytes from the buffered data. - * - * @param {Number} n The number of bytes to consume - * @return {Buffer} The consumed bytes - * @private - */ - consume(n) { - this._bufferedBytes -= n; - - if (n === this._buffers[0].length) return this._buffers.shift(); - - if (n < this._buffers[0].length) { - const buf = this._buffers[0]; - this._buffers[0] = buf.slice(n); - return buf.slice(0, n); - } - - const dst = Buffer.allocUnsafe(n); - - do { - const buf = this._buffers[0]; - const offset = dst.length - n; - - if (n >= buf.length) { - dst.set(this._buffers.shift(), offset); - } else { - dst.set(new Uint8Array(buf.buffer, buf.byteOffset, n), offset); - this._buffers[0] = buf.slice(n); - } - - n -= buf.length; - } while (n > 0); - - return dst; - } - - /** - * Starts the parsing loop. - * - * @param {Function} cb Callback - * @private - */ - startLoop(cb) { - let err; - this._loop = true; - - do { - switch (this._state) { - case GET_INFO: - err = this.getInfo(); - break; - case GET_PAYLOAD_LENGTH_16: - err = this.getPayloadLength16(); - break; - case GET_PAYLOAD_LENGTH_64: - err = this.getPayloadLength64(); - break; - case GET_MASK: - this.getMask(); - break; - case GET_DATA: - err = this.getData(cb); - break; - default: - // `INFLATING` - this._loop = false; - return; - } - } while (this._loop); - - cb(err); - } - - /** - * Reads the first two bytes of a frame. - * - * @return {(RangeError|undefined)} A possible error - * @private - */ - getInfo() { - if (this._bufferedBytes < 2) { - this._loop = false; - return; - } - - const buf = this.consume(2); - - if ((buf[0] & 0x30) !== 0x00) { - this._loop = false; - return error( - RangeError, - 'RSV2 and RSV3 must be clear', - true, - 1002, - 'WS_ERR_UNEXPECTED_RSV_2_3' - ); - } - - const compressed = (buf[0] & 0x40) === 0x40; - - if (compressed && !this._extensions[PerMessageDeflate.extensionName]) { - this._loop = false; - return error( - RangeError, - 'RSV1 must be clear', - true, - 1002, - 'WS_ERR_UNEXPECTED_RSV_1' - ); - } - - this._fin = (buf[0] & 0x80) === 0x80; - this._opcode = buf[0] & 0x0f; - this._payloadLength = buf[1] & 0x7f; - - if (this._opcode === 0x00) { - if (compressed) { - this._loop = false; - return error( - RangeError, - 'RSV1 must be clear', - true, - 1002, - 'WS_ERR_UNEXPECTED_RSV_1' - ); - } - - if (!this._fragmented) { - this._loop = false; - return error( - RangeError, - 'invalid opcode 0', - true, - 1002, - 'WS_ERR_INVALID_OPCODE' - ); - } - - this._opcode = this._fragmented; - } else if (this._opcode === 0x01 || this._opcode === 0x02) { - if (this._fragmented) { - this._loop = false; - return error( - RangeError, - `invalid opcode ${this._opcode}`, - true, - 1002, - 'WS_ERR_INVALID_OPCODE' - ); - } - - this._compressed = compressed; - } else if (this._opcode > 0x07 && this._opcode < 0x0b) { - if (!this._fin) { - this._loop = false; - return error( - RangeError, - 'FIN must be set', - true, - 1002, - 'WS_ERR_EXPECTED_FIN' - ); - } - - if (compressed) { - this._loop = false; - return error( - RangeError, - 'RSV1 must be clear', - true, - 1002, - 'WS_ERR_UNEXPECTED_RSV_1' - ); - } - - if (this._payloadLength > 0x7d) { - this._loop = false; - return error( - RangeError, - `invalid payload length ${this._payloadLength}`, - true, - 1002, - 'WS_ERR_INVALID_CONTROL_PAYLOAD_LENGTH' - ); - } - } else { - this._loop = false; - return error( - RangeError, - `invalid opcode ${this._opcode}`, - true, - 1002, - 'WS_ERR_INVALID_OPCODE' - ); - } - - if (!this._fin && !this._fragmented) this._fragmented = this._opcode; - this._masked = (buf[1] & 0x80) === 0x80; - - if (this._isServer) { - if (!this._masked) { - this._loop = false; - return error( - RangeError, - 'MASK must be set', - true, - 1002, - 'WS_ERR_EXPECTED_MASK' - ); - } - } else if (this._masked) { - this._loop = false; - return error( - RangeError, - 'MASK must be clear', - true, - 1002, - 'WS_ERR_UNEXPECTED_MASK' - ); - } - - if (this._payloadLength === 126) this._state = GET_PAYLOAD_LENGTH_16; - else if (this._payloadLength === 127) this._state = GET_PAYLOAD_LENGTH_64; - else return this.haveLength(); - } - - /** - * Gets extended payload length (7+16). - * - * @return {(RangeError|undefined)} A possible error - * @private - */ - getPayloadLength16() { - if (this._bufferedBytes < 2) { - this._loop = false; - return; - } - - this._payloadLength = this.consume(2).readUInt16BE(0); - return this.haveLength(); - } - - /** - * Gets extended payload length (7+64). - * - * @return {(RangeError|undefined)} A possible error - * @private - */ - getPayloadLength64() { - if (this._bufferedBytes < 8) { - this._loop = false; - return; - } - - const buf = this.consume(8); - const num = buf.readUInt32BE(0); - - // - // The maximum safe integer in JavaScript is 2^53 - 1. An error is returned - // if payload length is greater than this number. - // - if (num > Math.pow(2, 53 - 32) - 1) { - this._loop = false; - return error( - RangeError, - 'Unsupported WebSocket frame: payload length > 2^53 - 1', - false, - 1009, - 'WS_ERR_UNSUPPORTED_DATA_PAYLOAD_LENGTH' - ); - } - - this._payloadLength = num * Math.pow(2, 32) + buf.readUInt32BE(4); - return this.haveLength(); - } - - /** - * Payload length has been read. - * - * @return {(RangeError|undefined)} A possible error - * @private - */ - haveLength() { - if (this._payloadLength && this._opcode < 0x08) { - this._totalPayloadLength += this._payloadLength; - if (this._totalPayloadLength > this._maxPayload && this._maxPayload > 0) { - this._loop = false; - return error( - RangeError, - 'Max payload size exceeded', - false, - 1009, - 'WS_ERR_UNSUPPORTED_MESSAGE_LENGTH' - ); - } - } - - if (this._masked) this._state = GET_MASK; - else this._state = GET_DATA; - } - - /** - * Reads mask bytes. - * - * @private - */ - getMask() { - if (this._bufferedBytes < 4) { - this._loop = false; - return; - } - - this._mask = this.consume(4); - this._state = GET_DATA; - } - - /** - * Reads data bytes. - * - * @param {Function} cb Callback - * @return {(Error|RangeError|undefined)} A possible error - * @private - */ - getData(cb) { - let data = EMPTY_BUFFER; - - if (this._payloadLength) { - if (this._bufferedBytes < this._payloadLength) { - this._loop = false; - return; - } - - data = this.consume(this._payloadLength); - - if ( - this._masked && - (this._mask[0] | this._mask[1] | this._mask[2] | this._mask[3]) !== 0 - ) { - unmask(data, this._mask); - } - } - - if (this._opcode > 0x07) return this.controlMessage(data); - - if (this._compressed) { - this._state = INFLATING; - this.decompress(data, cb); - return; - } - - if (data.length) { - // - // This message is not compressed so its length is the sum of the payload - // length of all fragments. - // - this._messageLength = this._totalPayloadLength; - this._fragments.push(data); - } - - return this.dataMessage(); - } - - /** - * Decompresses data. - * - * @param {Buffer} data Compressed data - * @param {Function} cb Callback - * @private - */ - decompress(data, cb) { - const perMessageDeflate = this._extensions[PerMessageDeflate.extensionName]; - - perMessageDeflate.decompress(data, this._fin, (err, buf) => { - if (err) return cb(err); - - if (buf.length) { - this._messageLength += buf.length; - if (this._messageLength > this._maxPayload && this._maxPayload > 0) { - return cb( - error( - RangeError, - 'Max payload size exceeded', - false, - 1009, - 'WS_ERR_UNSUPPORTED_MESSAGE_LENGTH' - ) - ); - } - - this._fragments.push(buf); - } - - const er = this.dataMessage(); - if (er) return cb(er); - - this.startLoop(cb); - }); - } - - /** - * Handles a data message. - * - * @return {(Error|undefined)} A possible error - * @private - */ - dataMessage() { - if (this._fin) { - const messageLength = this._messageLength; - const fragments = this._fragments; - - this._totalPayloadLength = 0; - this._messageLength = 0; - this._fragmented = 0; - this._fragments = []; - - if (this._opcode === 2) { - let data; - - if (this._binaryType === 'nodebuffer') { - data = concat(fragments, messageLength); - } else if (this._binaryType === 'arraybuffer') { - data = toArrayBuffer(concat(fragments, messageLength)); - } else { - data = fragments; - } - - this.emit('message', data, true); - } else { - const buf = concat(fragments, messageLength); - - if (!this._skipUTF8Validation && !isValidUTF8(buf)) { - this._loop = false; - return error( - Error, - 'invalid UTF-8 sequence', - true, - 1007, - 'WS_ERR_INVALID_UTF8' - ); - } - - this.emit('message', buf, false); - } - } - - this._state = GET_INFO; - } - - /** - * Handles a control message. - * - * @param {Buffer} data Data to handle - * @return {(Error|RangeError|undefined)} A possible error - * @private - */ - controlMessage(data) { - if (this._opcode === 0x08) { - this._loop = false; - - if (data.length === 0) { - this.emit('conclude', 1005, EMPTY_BUFFER); - this.end(); - } else if (data.length === 1) { - return error( - RangeError, - 'invalid payload length 1', - true, - 1002, - 'WS_ERR_INVALID_CONTROL_PAYLOAD_LENGTH' - ); - } else { - const code = data.readUInt16BE(0); - - if (!isValidStatusCode(code)) { - return error( - RangeError, - `invalid status code ${code}`, - true, - 1002, - 'WS_ERR_INVALID_CLOSE_CODE' - ); - } - - const buf = data.slice(2); - - if (!this._skipUTF8Validation && !isValidUTF8(buf)) { - return error( - Error, - 'invalid UTF-8 sequence', - true, - 1007, - 'WS_ERR_INVALID_UTF8' - ); - } - - this.emit('conclude', code, buf); - this.end(); - } - } else if (this._opcode === 0x09) { - this.emit('ping', data); - } else { - this.emit('pong', data); - } - - this._state = GET_INFO; - } -} - -module.exports = Receiver; - -/** - * Builds an error object. - * - * @param {function(new:Error|RangeError)} ErrorCtor The error constructor - * @param {String} message The error message - * @param {Boolean} prefix Specifies whether or not to add a default prefix to - * `message` - * @param {Number} statusCode The status code - * @param {String} errorCode The exposed error code - * @return {(Error|RangeError)} The error - * @private - */ -function error(ErrorCtor, message, prefix, statusCode, errorCode) { - const err = new ErrorCtor( - prefix ? `Invalid WebSocket frame: ${message}` : message - ); - - Error.captureStackTrace(err, error); - err.code = errorCode; - err[kStatusCode] = statusCode; - return err; -} diff --git a/examples/axum-echo/node_modules/ws/lib/sender.js b/examples/axum-echo/node_modules/ws/lib/sender.js deleted file mode 100644 index c8488536..00000000 --- a/examples/axum-echo/node_modules/ws/lib/sender.js +++ /dev/null @@ -1,478 +0,0 @@ -/* eslint no-unused-vars: ["error", { "varsIgnorePattern": "^net|tls$" }] */ - -'use strict'; - -const net = require('net'); -const tls = require('tls'); -const { randomFillSync } = require('crypto'); - -const PerMessageDeflate = require('./permessage-deflate'); -const { EMPTY_BUFFER } = require('./constants'); -const { isValidStatusCode } = require('./validation'); -const { mask: applyMask, toBuffer } = require('./buffer-util'); - -const kByteLength = Symbol('kByteLength'); -const maskBuffer = Buffer.alloc(4); - -/** - * HyBi Sender implementation. - */ -class Sender { - /** - * Creates a Sender instance. - * - * @param {(net.Socket|tls.Socket)} socket The connection socket - * @param {Object} [extensions] An object containing the negotiated extensions - * @param {Function} [generateMask] The function used to generate the masking - * key - */ - constructor(socket, extensions, generateMask) { - this._extensions = extensions || {}; - - if (generateMask) { - this._generateMask = generateMask; - this._maskBuffer = Buffer.alloc(4); - } - - this._socket = socket; - - this._firstFragment = true; - this._compress = false; - - this._bufferedBytes = 0; - this._deflating = false; - this._queue = []; - } - - /** - * Frames a piece of data according to the HyBi WebSocket protocol. - * - * @param {(Buffer|String)} data The data to frame - * @param {Object} options Options object - * @param {Boolean} [options.fin=false] Specifies whether or not to set the - * FIN bit - * @param {Function} [options.generateMask] The function used to generate the - * masking key - * @param {Boolean} [options.mask=false] Specifies whether or not to mask - * `data` - * @param {Buffer} [options.maskBuffer] The buffer used to store the masking - * key - * @param {Number} options.opcode The opcode - * @param {Boolean} [options.readOnly=false] Specifies whether `data` can be - * modified - * @param {Boolean} [options.rsv1=false] Specifies whether or not to set the - * RSV1 bit - * @return {(Buffer|String)[]} The framed data - * @public - */ - static frame(data, options) { - let mask; - let merge = false; - let offset = 2; - let skipMasking = false; - - if (options.mask) { - mask = options.maskBuffer || maskBuffer; - - if (options.generateMask) { - options.generateMask(mask); - } else { - randomFillSync(mask, 0, 4); - } - - skipMasking = (mask[0] | mask[1] | mask[2] | mask[3]) === 0; - offset = 6; - } - - let dataLength; - - if (typeof data === 'string') { - if ( - (!options.mask || skipMasking) && - options[kByteLength] !== undefined - ) { - dataLength = options[kByteLength]; - } else { - data = Buffer.from(data); - dataLength = data.length; - } - } else { - dataLength = data.length; - merge = options.mask && options.readOnly && !skipMasking; - } - - let payloadLength = dataLength; - - if (dataLength >= 65536) { - offset += 8; - payloadLength = 127; - } else if (dataLength > 125) { - offset += 2; - payloadLength = 126; - } - - const target = Buffer.allocUnsafe(merge ? dataLength + offset : offset); - - target[0] = options.fin ? options.opcode | 0x80 : options.opcode; - if (options.rsv1) target[0] |= 0x40; - - target[1] = payloadLength; - - if (payloadLength === 126) { - target.writeUInt16BE(dataLength, 2); - } else if (payloadLength === 127) { - target[2] = target[3] = 0; - target.writeUIntBE(dataLength, 4, 6); - } - - if (!options.mask) return [target, data]; - - target[1] |= 0x80; - target[offset - 4] = mask[0]; - target[offset - 3] = mask[1]; - target[offset - 2] = mask[2]; - target[offset - 1] = mask[3]; - - if (skipMasking) return [target, data]; - - if (merge) { - applyMask(data, mask, target, offset, dataLength); - return [target]; - } - - applyMask(data, mask, data, 0, dataLength); - return [target, data]; - } - - /** - * Sends a close message to the other peer. - * - * @param {Number} [code] The status code component of the body - * @param {(String|Buffer)} [data] The message component of the body - * @param {Boolean} [mask=false] Specifies whether or not to mask the message - * @param {Function} [cb] Callback - * @public - */ - close(code, data, mask, cb) { - let buf; - - if (code === undefined) { - buf = EMPTY_BUFFER; - } else if (typeof code !== 'number' || !isValidStatusCode(code)) { - throw new TypeError('First argument must be a valid error code number'); - } else if (data === undefined || !data.length) { - buf = Buffer.allocUnsafe(2); - buf.writeUInt16BE(code, 0); - } else { - const length = Buffer.byteLength(data); - - if (length > 123) { - throw new RangeError('The message must not be greater than 123 bytes'); - } - - buf = Buffer.allocUnsafe(2 + length); - buf.writeUInt16BE(code, 0); - - if (typeof data === 'string') { - buf.write(data, 2); - } else { - buf.set(data, 2); - } - } - - const options = { - [kByteLength]: buf.length, - fin: true, - generateMask: this._generateMask, - mask, - maskBuffer: this._maskBuffer, - opcode: 0x08, - readOnly: false, - rsv1: false - }; - - if (this._deflating) { - this.enqueue([this.dispatch, buf, false, options, cb]); - } else { - this.sendFrame(Sender.frame(buf, options), cb); - } - } - - /** - * Sends a ping message to the other peer. - * - * @param {*} data The message to send - * @param {Boolean} [mask=false] Specifies whether or not to mask `data` - * @param {Function} [cb] Callback - * @public - */ - ping(data, mask, cb) { - let byteLength; - let readOnly; - - if (typeof data === 'string') { - byteLength = Buffer.byteLength(data); - readOnly = false; - } else { - data = toBuffer(data); - byteLength = data.length; - readOnly = toBuffer.readOnly; - } - - if (byteLength > 125) { - throw new RangeError('The data size must not be greater than 125 bytes'); - } - - const options = { - [kByteLength]: byteLength, - fin: true, - generateMask: this._generateMask, - mask, - maskBuffer: this._maskBuffer, - opcode: 0x09, - readOnly, - rsv1: false - }; - - if (this._deflating) { - this.enqueue([this.dispatch, data, false, options, cb]); - } else { - this.sendFrame(Sender.frame(data, options), cb); - } - } - - /** - * Sends a pong message to the other peer. - * - * @param {*} data The message to send - * @param {Boolean} [mask=false] Specifies whether or not to mask `data` - * @param {Function} [cb] Callback - * @public - */ - pong(data, mask, cb) { - let byteLength; - let readOnly; - - if (typeof data === 'string') { - byteLength = Buffer.byteLength(data); - readOnly = false; - } else { - data = toBuffer(data); - byteLength = data.length; - readOnly = toBuffer.readOnly; - } - - if (byteLength > 125) { - throw new RangeError('The data size must not be greater than 125 bytes'); - } - - const options = { - [kByteLength]: byteLength, - fin: true, - generateMask: this._generateMask, - mask, - maskBuffer: this._maskBuffer, - opcode: 0x0a, - readOnly, - rsv1: false - }; - - if (this._deflating) { - this.enqueue([this.dispatch, data, false, options, cb]); - } else { - this.sendFrame(Sender.frame(data, options), cb); - } - } - - /** - * Sends a data message to the other peer. - * - * @param {*} data The message to send - * @param {Object} options Options object - * @param {Boolean} [options.binary=false] Specifies whether `data` is binary - * or text - * @param {Boolean} [options.compress=false] Specifies whether or not to - * compress `data` - * @param {Boolean} [options.fin=false] Specifies whether the fragment is the - * last one - * @param {Boolean} [options.mask=false] Specifies whether or not to mask - * `data` - * @param {Function} [cb] Callback - * @public - */ - send(data, options, cb) { - const perMessageDeflate = this._extensions[PerMessageDeflate.extensionName]; - let opcode = options.binary ? 2 : 1; - let rsv1 = options.compress; - - let byteLength; - let readOnly; - - if (typeof data === 'string') { - byteLength = Buffer.byteLength(data); - readOnly = false; - } else { - data = toBuffer(data); - byteLength = data.length; - readOnly = toBuffer.readOnly; - } - - if (this._firstFragment) { - this._firstFragment = false; - if ( - rsv1 && - perMessageDeflate && - perMessageDeflate.params[ - perMessageDeflate._isServer - ? 'server_no_context_takeover' - : 'client_no_context_takeover' - ] - ) { - rsv1 = byteLength >= perMessageDeflate._threshold; - } - this._compress = rsv1; - } else { - rsv1 = false; - opcode = 0; - } - - if (options.fin) this._firstFragment = true; - - if (perMessageDeflate) { - const opts = { - [kByteLength]: byteLength, - fin: options.fin, - generateMask: this._generateMask, - mask: options.mask, - maskBuffer: this._maskBuffer, - opcode, - readOnly, - rsv1 - }; - - if (this._deflating) { - this.enqueue([this.dispatch, data, this._compress, opts, cb]); - } else { - this.dispatch(data, this._compress, opts, cb); - } - } else { - this.sendFrame( - Sender.frame(data, { - [kByteLength]: byteLength, - fin: options.fin, - generateMask: this._generateMask, - mask: options.mask, - maskBuffer: this._maskBuffer, - opcode, - readOnly, - rsv1: false - }), - cb - ); - } - } - - /** - * Dispatches a message. - * - * @param {(Buffer|String)} data The message to send - * @param {Boolean} [compress=false] Specifies whether or not to compress - * `data` - * @param {Object} options Options object - * @param {Boolean} [options.fin=false] Specifies whether or not to set the - * FIN bit - * @param {Function} [options.generateMask] The function used to generate the - * masking key - * @param {Boolean} [options.mask=false] Specifies whether or not to mask - * `data` - * @param {Buffer} [options.maskBuffer] The buffer used to store the masking - * key - * @param {Number} options.opcode The opcode - * @param {Boolean} [options.readOnly=false] Specifies whether `data` can be - * modified - * @param {Boolean} [options.rsv1=false] Specifies whether or not to set the - * RSV1 bit - * @param {Function} [cb] Callback - * @private - */ - dispatch(data, compress, options, cb) { - if (!compress) { - this.sendFrame(Sender.frame(data, options), cb); - return; - } - - const perMessageDeflate = this._extensions[PerMessageDeflate.extensionName]; - - this._bufferedBytes += options[kByteLength]; - this._deflating = true; - perMessageDeflate.compress(data, options.fin, (_, buf) => { - if (this._socket.destroyed) { - const err = new Error( - 'The socket was closed while data was being compressed' - ); - - if (typeof cb === 'function') cb(err); - - for (let i = 0; i < this._queue.length; i++) { - const params = this._queue[i]; - const callback = params[params.length - 1]; - - if (typeof callback === 'function') callback(err); - } - - return; - } - - this._bufferedBytes -= options[kByteLength]; - this._deflating = false; - options.readOnly = false; - this.sendFrame(Sender.frame(buf, options), cb); - this.dequeue(); - }); - } - - /** - * Executes queued send operations. - * - * @private - */ - dequeue() { - while (!this._deflating && this._queue.length) { - const params = this._queue.shift(); - - this._bufferedBytes -= params[3][kByteLength]; - Reflect.apply(params[0], this, params.slice(1)); - } - } - - /** - * Enqueues a send operation. - * - * @param {Array} params Send operation parameters. - * @private - */ - enqueue(params) { - this._bufferedBytes += params[3][kByteLength]; - this._queue.push(params); - } - - /** - * Sends a frame. - * - * @param {Buffer[]} list The frame to send - * @param {Function} [cb] Callback - * @private - */ - sendFrame(list, cb) { - if (list.length === 2) { - this._socket.cork(); - this._socket.write(list[0]); - this._socket.write(list[1], cb); - this._socket.uncork(); - } else { - this._socket.write(list[0], cb); - } - } -} - -module.exports = Sender; diff --git a/examples/axum-echo/node_modules/ws/lib/stream.js b/examples/axum-echo/node_modules/ws/lib/stream.js deleted file mode 100644 index 230734b7..00000000 --- a/examples/axum-echo/node_modules/ws/lib/stream.js +++ /dev/null @@ -1,159 +0,0 @@ -'use strict'; - -const { Duplex } = require('stream'); - -/** - * Emits the `'close'` event on a stream. - * - * @param {Duplex} stream The stream. - * @private - */ -function emitClose(stream) { - stream.emit('close'); -} - -/** - * The listener of the `'end'` event. - * - * @private - */ -function duplexOnEnd() { - if (!this.destroyed && this._writableState.finished) { - this.destroy(); - } -} - -/** - * The listener of the `'error'` event. - * - * @param {Error} err The error - * @private - */ -function duplexOnError(err) { - this.removeListener('error', duplexOnError); - this.destroy(); - if (this.listenerCount('error') === 0) { - // Do not suppress the throwing behavior. - this.emit('error', err); - } -} - -/** - * Wraps a `WebSocket` in a duplex stream. - * - * @param {WebSocket} ws The `WebSocket` to wrap - * @param {Object} [options] The options for the `Duplex` constructor - * @return {Duplex} The duplex stream - * @public - */ -function createWebSocketStream(ws, options) { - let terminateOnDestroy = true; - - const duplex = new Duplex({ - ...options, - autoDestroy: false, - emitClose: false, - objectMode: false, - writableObjectMode: false - }); - - ws.on('message', function message(msg, isBinary) { - const data = - !isBinary && duplex._readableState.objectMode ? msg.toString() : msg; - - if (!duplex.push(data)) ws.pause(); - }); - - ws.once('error', function error(err) { - if (duplex.destroyed) return; - - // Prevent `ws.terminate()` from being called by `duplex._destroy()`. - // - // - If the `'error'` event is emitted before the `'open'` event, then - // `ws.terminate()` is a noop as no socket is assigned. - // - Otherwise, the error is re-emitted by the listener of the `'error'` - // event of the `Receiver` object. The listener already closes the - // connection by calling `ws.close()`. This allows a close frame to be - // sent to the other peer. If `ws.terminate()` is called right after this, - // then the close frame might not be sent. - terminateOnDestroy = false; - duplex.destroy(err); - }); - - ws.once('close', function close() { - if (duplex.destroyed) return; - - duplex.push(null); - }); - - duplex._destroy = function (err, callback) { - if (ws.readyState === ws.CLOSED) { - callback(err); - process.nextTick(emitClose, duplex); - return; - } - - let called = false; - - ws.once('error', function error(err) { - called = true; - callback(err); - }); - - ws.once('close', function close() { - if (!called) callback(err); - process.nextTick(emitClose, duplex); - }); - - if (terminateOnDestroy) ws.terminate(); - }; - - duplex._final = function (callback) { - if (ws.readyState === ws.CONNECTING) { - ws.once('open', function open() { - duplex._final(callback); - }); - return; - } - - // If the value of the `_socket` property is `null` it means that `ws` is a - // client websocket and the handshake failed. In fact, when this happens, a - // socket is never assigned to the websocket. Wait for the `'error'` event - // that will be emitted by the websocket. - if (ws._socket === null) return; - - if (ws._socket._writableState.finished) { - callback(); - if (duplex._readableState.endEmitted) duplex.destroy(); - } else { - ws._socket.once('finish', function finish() { - // `duplex` is not destroyed here because the `'end'` event will be - // emitted on `duplex` after this `'finish'` event. The EOF signaling - // `null` chunk is, in fact, pushed when the websocket emits `'close'`. - callback(); - }); - ws.close(); - } - }; - - duplex._read = function () { - if (ws.isPaused) ws.resume(); - }; - - duplex._write = function (chunk, encoding, callback) { - if (ws.readyState === ws.CONNECTING) { - ws.once('open', function open() { - duplex._write(chunk, encoding, callback); - }); - return; - } - - ws.send(chunk, callback); - }; - - duplex.on('end', duplexOnEnd); - duplex.on('error', duplexOnError); - return duplex; -} - -module.exports = createWebSocketStream; diff --git a/examples/axum-echo/node_modules/ws/lib/subprotocol.js b/examples/axum-echo/node_modules/ws/lib/subprotocol.js deleted file mode 100644 index d4381e88..00000000 --- a/examples/axum-echo/node_modules/ws/lib/subprotocol.js +++ /dev/null @@ -1,62 +0,0 @@ -'use strict'; - -const { tokenChars } = require('./validation'); - -/** - * Parses the `Sec-WebSocket-Protocol` header into a set of subprotocol names. - * - * @param {String} header The field value of the header - * @return {Set} The subprotocol names - * @public - */ -function parse(header) { - const protocols = new Set(); - let start = -1; - let end = -1; - let i = 0; - - for (i; i < header.length; i++) { - const code = header.charCodeAt(i); - - if (end === -1 && tokenChars[code] === 1) { - if (start === -1) start = i; - } else if ( - i !== 0 && - (code === 0x20 /* ' ' */ || code === 0x09) /* '\t' */ - ) { - if (end === -1 && start !== -1) end = i; - } else if (code === 0x2c /* ',' */) { - if (start === -1) { - throw new SyntaxError(`Unexpected character at index ${i}`); - } - - if (end === -1) end = i; - - const protocol = header.slice(start, end); - - if (protocols.has(protocol)) { - throw new SyntaxError(`The "${protocol}" subprotocol is duplicated`); - } - - protocols.add(protocol); - start = end = -1; - } else { - throw new SyntaxError(`Unexpected character at index ${i}`); - } - } - - if (start === -1 || end !== -1) { - throw new SyntaxError('Unexpected end of input'); - } - - const protocol = header.slice(start, i); - - if (protocols.has(protocol)) { - throw new SyntaxError(`The "${protocol}" subprotocol is duplicated`); - } - - protocols.add(protocol); - return protocols; -} - -module.exports = { parse }; diff --git a/examples/axum-echo/node_modules/ws/lib/validation.js b/examples/axum-echo/node_modules/ws/lib/validation.js deleted file mode 100644 index 44fc2029..00000000 --- a/examples/axum-echo/node_modules/ws/lib/validation.js +++ /dev/null @@ -1,125 +0,0 @@ -'use strict'; - -// -// Allowed token characters: -// -// '!', '#', '$', '%', '&', ''', '*', '+', '-', -// '.', 0-9, A-Z, '^', '_', '`', a-z, '|', '~' -// -// tokenChars[32] === 0 // ' ' -// tokenChars[33] === 1 // '!' -// tokenChars[34] === 0 // '"' -// ... -// -// prettier-ignore -const tokenChars = [ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0 - 15 - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 16 - 31 - 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, // 32 - 47 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, // 48 - 63 - 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 64 - 79 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, // 80 - 95 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 96 - 111 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0 // 112 - 127 -]; - -/** - * Checks if a status code is allowed in a close frame. - * - * @param {Number} code The status code - * @return {Boolean} `true` if the status code is valid, else `false` - * @public - */ -function isValidStatusCode(code) { - return ( - (code >= 1000 && - code <= 1014 && - code !== 1004 && - code !== 1005 && - code !== 1006) || - (code >= 3000 && code <= 4999) - ); -} - -/** - * Checks if a given buffer contains only correct UTF-8. - * Ported from https://www.cl.cam.ac.uk/%7Emgk25/ucs/utf8_check.c by - * Markus Kuhn. - * - * @param {Buffer} buf The buffer to check - * @return {Boolean} `true` if `buf` contains only correct UTF-8, else `false` - * @public - */ -function _isValidUTF8(buf) { - const len = buf.length; - let i = 0; - - while (i < len) { - if ((buf[i] & 0x80) === 0) { - // 0xxxxxxx - i++; - } else if ((buf[i] & 0xe0) === 0xc0) { - // 110xxxxx 10xxxxxx - if ( - i + 1 === len || - (buf[i + 1] & 0xc0) !== 0x80 || - (buf[i] & 0xfe) === 0xc0 // Overlong - ) { - return false; - } - - i += 2; - } else if ((buf[i] & 0xf0) === 0xe0) { - // 1110xxxx 10xxxxxx 10xxxxxx - if ( - i + 2 >= len || - (buf[i + 1] & 0xc0) !== 0x80 || - (buf[i + 2] & 0xc0) !== 0x80 || - (buf[i] === 0xe0 && (buf[i + 1] & 0xe0) === 0x80) || // Overlong - (buf[i] === 0xed && (buf[i + 1] & 0xe0) === 0xa0) // Surrogate (U+D800 - U+DFFF) - ) { - return false; - } - - i += 3; - } else if ((buf[i] & 0xf8) === 0xf0) { - // 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx - if ( - i + 3 >= len || - (buf[i + 1] & 0xc0) !== 0x80 || - (buf[i + 2] & 0xc0) !== 0x80 || - (buf[i + 3] & 0xc0) !== 0x80 || - (buf[i] === 0xf0 && (buf[i + 1] & 0xf0) === 0x80) || // Overlong - (buf[i] === 0xf4 && buf[i + 1] > 0x8f) || - buf[i] > 0xf4 // > U+10FFFF - ) { - return false; - } - - i += 4; - } else { - return false; - } - } - - return true; -} - -module.exports = { - isValidStatusCode, - isValidUTF8: _isValidUTF8, - tokenChars -}; - -/* istanbul ignore else */ -if (!process.env.WS_NO_UTF_8_VALIDATE) { - try { - const isValidUTF8 = require('utf-8-validate'); - - module.exports.isValidUTF8 = function (buf) { - return buf.length < 150 ? _isValidUTF8(buf) : isValidUTF8(buf); - }; - } catch (e) { - // Continue regardless of the error. - } -} diff --git a/examples/axum-echo/node_modules/ws/lib/websocket-server.js b/examples/axum-echo/node_modules/ws/lib/websocket-server.js deleted file mode 100644 index bac30eb3..00000000 --- a/examples/axum-echo/node_modules/ws/lib/websocket-server.js +++ /dev/null @@ -1,535 +0,0 @@ -/* eslint no-unused-vars: ["error", { "varsIgnorePattern": "^net|tls|https$" }] */ - -'use strict'; - -const EventEmitter = require('events'); -const http = require('http'); -const https = require('https'); -const net = require('net'); -const tls = require('tls'); -const { createHash } = require('crypto'); - -const extension = require('./extension'); -const PerMessageDeflate = require('./permessage-deflate'); -const subprotocol = require('./subprotocol'); -const WebSocket = require('./websocket'); -const { GUID, kWebSocket } = require('./constants'); - -const keyRegex = /^[+/0-9A-Za-z]{22}==$/; - -const RUNNING = 0; -const CLOSING = 1; -const CLOSED = 2; - -/** - * Class representing a WebSocket server. - * - * @extends EventEmitter - */ -class WebSocketServer extends EventEmitter { - /** - * Create a `WebSocketServer` instance. - * - * @param {Object} options Configuration options - * @param {Number} [options.backlog=511] The maximum length of the queue of - * pending connections - * @param {Boolean} [options.clientTracking=true] Specifies whether or not to - * track clients - * @param {Function} [options.handleProtocols] A hook to handle protocols - * @param {String} [options.host] The hostname where to bind the server - * @param {Number} [options.maxPayload=104857600] The maximum allowed message - * size - * @param {Boolean} [options.noServer=false] Enable no server mode - * @param {String} [options.path] Accept only connections matching this path - * @param {(Boolean|Object)} [options.perMessageDeflate=false] Enable/disable - * permessage-deflate - * @param {Number} [options.port] The port where to bind the server - * @param {(http.Server|https.Server)} [options.server] A pre-created HTTP/S - * server to use - * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or - * not to skip UTF-8 validation for text and close messages - * @param {Function} [options.verifyClient] A hook to reject connections - * @param {Function} [options.WebSocket=WebSocket] Specifies the `WebSocket` - * class to use. It must be the `WebSocket` class or class that extends it - * @param {Function} [callback] A listener for the `listening` event - */ - constructor(options, callback) { - super(); - - options = { - maxPayload: 100 * 1024 * 1024, - skipUTF8Validation: false, - perMessageDeflate: false, - handleProtocols: null, - clientTracking: true, - verifyClient: null, - noServer: false, - backlog: null, // use default (511 as implemented in net.js) - server: null, - host: null, - path: null, - port: null, - WebSocket, - ...options - }; - - if ( - (options.port == null && !options.server && !options.noServer) || - (options.port != null && (options.server || options.noServer)) || - (options.server && options.noServer) - ) { - throw new TypeError( - 'One and only one of the "port", "server", or "noServer" options ' + - 'must be specified' - ); - } - - if (options.port != null) { - this._server = http.createServer((req, res) => { - const body = http.STATUS_CODES[426]; - - res.writeHead(426, { - 'Content-Length': body.length, - 'Content-Type': 'text/plain' - }); - res.end(body); - }); - this._server.listen( - options.port, - options.host, - options.backlog, - callback - ); - } else if (options.server) { - this._server = options.server; - } - - if (this._server) { - const emitConnection = this.emit.bind(this, 'connection'); - - this._removeListeners = addListeners(this._server, { - listening: this.emit.bind(this, 'listening'), - error: this.emit.bind(this, 'error'), - upgrade: (req, socket, head) => { - this.handleUpgrade(req, socket, head, emitConnection); - } - }); - } - - if (options.perMessageDeflate === true) options.perMessageDeflate = {}; - if (options.clientTracking) { - this.clients = new Set(); - this._shouldEmitClose = false; - } - - this.options = options; - this._state = RUNNING; - } - - /** - * Returns the bound address, the address family name, and port of the server - * as reported by the operating system if listening on an IP socket. - * If the server is listening on a pipe or UNIX domain socket, the name is - * returned as a string. - * - * @return {(Object|String|null)} The address of the server - * @public - */ - address() { - if (this.options.noServer) { - throw new Error('The server is operating in "noServer" mode'); - } - - if (!this._server) return null; - return this._server.address(); - } - - /** - * Stop the server from accepting new connections and emit the `'close'` event - * when all existing connections are closed. - * - * @param {Function} [cb] A one-time listener for the `'close'` event - * @public - */ - close(cb) { - if (this._state === CLOSED) { - if (cb) { - this.once('close', () => { - cb(new Error('The server is not running')); - }); - } - - process.nextTick(emitClose, this); - return; - } - - if (cb) this.once('close', cb); - - if (this._state === CLOSING) return; - this._state = CLOSING; - - if (this.options.noServer || this.options.server) { - if (this._server) { - this._removeListeners(); - this._removeListeners = this._server = null; - } - - if (this.clients) { - if (!this.clients.size) { - process.nextTick(emitClose, this); - } else { - this._shouldEmitClose = true; - } - } else { - process.nextTick(emitClose, this); - } - } else { - const server = this._server; - - this._removeListeners(); - this._removeListeners = this._server = null; - - // - // The HTTP/S server was created internally. Close it, and rely on its - // `'close'` event. - // - server.close(() => { - emitClose(this); - }); - } - } - - /** - * See if a given request should be handled by this server instance. - * - * @param {http.IncomingMessage} req Request object to inspect - * @return {Boolean} `true` if the request is valid, else `false` - * @public - */ - shouldHandle(req) { - if (this.options.path) { - const index = req.url.indexOf('?'); - const pathname = index !== -1 ? req.url.slice(0, index) : req.url; - - if (pathname !== this.options.path) return false; - } - - return true; - } - - /** - * Handle a HTTP Upgrade request. - * - * @param {http.IncomingMessage} req The request object - * @param {(net.Socket|tls.Socket)} socket The network socket between the - * server and client - * @param {Buffer} head The first packet of the upgraded stream - * @param {Function} cb Callback - * @public - */ - handleUpgrade(req, socket, head, cb) { - socket.on('error', socketOnError); - - const key = req.headers['sec-websocket-key']; - const version = +req.headers['sec-websocket-version']; - - if (req.method !== 'GET') { - const message = 'Invalid HTTP method'; - abortHandshakeOrEmitwsClientError(this, req, socket, 405, message); - return; - } - - if (req.headers.upgrade.toLowerCase() !== 'websocket') { - const message = 'Invalid Upgrade header'; - abortHandshakeOrEmitwsClientError(this, req, socket, 400, message); - return; - } - - if (!key || !keyRegex.test(key)) { - const message = 'Missing or invalid Sec-WebSocket-Key header'; - abortHandshakeOrEmitwsClientError(this, req, socket, 400, message); - return; - } - - if (version !== 8 && version !== 13) { - const message = 'Missing or invalid Sec-WebSocket-Version header'; - abortHandshakeOrEmitwsClientError(this, req, socket, 400, message); - return; - } - - if (!this.shouldHandle(req)) { - abortHandshake(socket, 400); - return; - } - - const secWebSocketProtocol = req.headers['sec-websocket-protocol']; - let protocols = new Set(); - - if (secWebSocketProtocol !== undefined) { - try { - protocols = subprotocol.parse(secWebSocketProtocol); - } catch (err) { - const message = 'Invalid Sec-WebSocket-Protocol header'; - abortHandshakeOrEmitwsClientError(this, req, socket, 400, message); - return; - } - } - - const secWebSocketExtensions = req.headers['sec-websocket-extensions']; - const extensions = {}; - - if ( - this.options.perMessageDeflate && - secWebSocketExtensions !== undefined - ) { - const perMessageDeflate = new PerMessageDeflate( - this.options.perMessageDeflate, - true, - this.options.maxPayload - ); - - try { - const offers = extension.parse(secWebSocketExtensions); - - if (offers[PerMessageDeflate.extensionName]) { - perMessageDeflate.accept(offers[PerMessageDeflate.extensionName]); - extensions[PerMessageDeflate.extensionName] = perMessageDeflate; - } - } catch (err) { - const message = - 'Invalid or unacceptable Sec-WebSocket-Extensions header'; - abortHandshakeOrEmitwsClientError(this, req, socket, 400, message); - return; - } - } - - // - // Optionally call external client verification handler. - // - if (this.options.verifyClient) { - const info = { - origin: - req.headers[`${version === 8 ? 'sec-websocket-origin' : 'origin'}`], - secure: !!(req.socket.authorized || req.socket.encrypted), - req - }; - - if (this.options.verifyClient.length === 2) { - this.options.verifyClient(info, (verified, code, message, headers) => { - if (!verified) { - return abortHandshake(socket, code || 401, message, headers); - } - - this.completeUpgrade( - extensions, - key, - protocols, - req, - socket, - head, - cb - ); - }); - return; - } - - if (!this.options.verifyClient(info)) return abortHandshake(socket, 401); - } - - this.completeUpgrade(extensions, key, protocols, req, socket, head, cb); - } - - /** - * Upgrade the connection to WebSocket. - * - * @param {Object} extensions The accepted extensions - * @param {String} key The value of the `Sec-WebSocket-Key` header - * @param {Set} protocols The subprotocols - * @param {http.IncomingMessage} req The request object - * @param {(net.Socket|tls.Socket)} socket The network socket between the - * server and client - * @param {Buffer} head The first packet of the upgraded stream - * @param {Function} cb Callback - * @throws {Error} If called more than once with the same socket - * @private - */ - completeUpgrade(extensions, key, protocols, req, socket, head, cb) { - // - // Destroy the socket if the client has already sent a FIN packet. - // - if (!socket.readable || !socket.writable) return socket.destroy(); - - if (socket[kWebSocket]) { - throw new Error( - 'server.handleUpgrade() was called more than once with the same ' + - 'socket, possibly due to a misconfiguration' - ); - } - - if (this._state > RUNNING) return abortHandshake(socket, 503); - - const digest = createHash('sha1') - .update(key + GUID) - .digest('base64'); - - const headers = [ - 'HTTP/1.1 101 Switching Protocols', - 'Upgrade: websocket', - 'Connection: Upgrade', - `Sec-WebSocket-Accept: ${digest}` - ]; - - const ws = new this.options.WebSocket(null); - - if (protocols.size) { - // - // Optionally call external protocol selection handler. - // - const protocol = this.options.handleProtocols - ? this.options.handleProtocols(protocols, req) - : protocols.values().next().value; - - if (protocol) { - headers.push(`Sec-WebSocket-Protocol: ${protocol}`); - ws._protocol = protocol; - } - } - - if (extensions[PerMessageDeflate.extensionName]) { - const params = extensions[PerMessageDeflate.extensionName].params; - const value = extension.format({ - [PerMessageDeflate.extensionName]: [params] - }); - headers.push(`Sec-WebSocket-Extensions: ${value}`); - ws._extensions = extensions; - } - - // - // Allow external modification/inspection of handshake headers. - // - this.emit('headers', headers, req); - - socket.write(headers.concat('\r\n').join('\r\n')); - socket.removeListener('error', socketOnError); - - ws.setSocket(socket, head, { - maxPayload: this.options.maxPayload, - skipUTF8Validation: this.options.skipUTF8Validation - }); - - if (this.clients) { - this.clients.add(ws); - ws.on('close', () => { - this.clients.delete(ws); - - if (this._shouldEmitClose && !this.clients.size) { - process.nextTick(emitClose, this); - } - }); - } - - cb(ws, req); - } -} - -module.exports = WebSocketServer; - -/** - * Add event listeners on an `EventEmitter` using a map of - * pairs. - * - * @param {EventEmitter} server The event emitter - * @param {Object.} map The listeners to add - * @return {Function} A function that will remove the added listeners when - * called - * @private - */ -function addListeners(server, map) { - for (const event of Object.keys(map)) server.on(event, map[event]); - - return function removeListeners() { - for (const event of Object.keys(map)) { - server.removeListener(event, map[event]); - } - }; -} - -/** - * Emit a `'close'` event on an `EventEmitter`. - * - * @param {EventEmitter} server The event emitter - * @private - */ -function emitClose(server) { - server._state = CLOSED; - server.emit('close'); -} - -/** - * Handle socket errors. - * - * @private - */ -function socketOnError() { - this.destroy(); -} - -/** - * Close the connection when preconditions are not fulfilled. - * - * @param {(net.Socket|tls.Socket)} socket The socket of the upgrade request - * @param {Number} code The HTTP response status code - * @param {String} [message] The HTTP response body - * @param {Object} [headers] Additional HTTP response headers - * @private - */ -function abortHandshake(socket, code, message, headers) { - // - // The socket is writable unless the user destroyed or ended it before calling - // `server.handleUpgrade()` or in the `verifyClient` function, which is a user - // error. Handling this does not make much sense as the worst that can happen - // is that some of the data written by the user might be discarded due to the - // call to `socket.end()` below, which triggers an `'error'` event that in - // turn causes the socket to be destroyed. - // - message = message || http.STATUS_CODES[code]; - headers = { - Connection: 'close', - 'Content-Type': 'text/html', - 'Content-Length': Buffer.byteLength(message), - ...headers - }; - - socket.once('finish', socket.destroy); - - socket.end( - `HTTP/1.1 ${code} ${http.STATUS_CODES[code]}\r\n` + - Object.keys(headers) - .map((h) => `${h}: ${headers[h]}`) - .join('\r\n') + - '\r\n\r\n' + - message - ); -} - -/** - * Emit a `'wsClientError'` event on a `WebSocketServer` if there is at least - * one listener for it, otherwise call `abortHandshake()`. - * - * @param {WebSocketServer} server The WebSocket server - * @param {http.IncomingMessage} req The request object - * @param {(net.Socket|tls.Socket)} socket The socket of the upgrade request - * @param {Number} code The HTTP response status code - * @param {String} message The HTTP response body - * @private - */ -function abortHandshakeOrEmitwsClientError(server, req, socket, code, message) { - if (server.listenerCount('wsClientError')) { - const err = new Error(message); - Error.captureStackTrace(err, abortHandshakeOrEmitwsClientError); - - server.emit('wsClientError', err, socket, req); - } else { - abortHandshake(socket, code, message); - } -} diff --git a/examples/axum-echo/node_modules/ws/lib/websocket.js b/examples/axum-echo/node_modules/ws/lib/websocket.js deleted file mode 100644 index 4391c73a..00000000 --- a/examples/axum-echo/node_modules/ws/lib/websocket.js +++ /dev/null @@ -1,1305 +0,0 @@ -/* eslint no-unused-vars: ["error", { "varsIgnorePattern": "^Readable$" }] */ - -'use strict'; - -const EventEmitter = require('events'); -const https = require('https'); -const http = require('http'); -const net = require('net'); -const tls = require('tls'); -const { randomBytes, createHash } = require('crypto'); -const { Readable } = require('stream'); -const { URL } = require('url'); - -const PerMessageDeflate = require('./permessage-deflate'); -const Receiver = require('./receiver'); -const Sender = require('./sender'); -const { - BINARY_TYPES, - EMPTY_BUFFER, - GUID, - kForOnEventAttribute, - kListener, - kStatusCode, - kWebSocket, - NOOP -} = require('./constants'); -const { - EventTarget: { addEventListener, removeEventListener } -} = require('./event-target'); -const { format, parse } = require('./extension'); -const { toBuffer } = require('./buffer-util'); - -const closeTimeout = 30 * 1000; -const kAborted = Symbol('kAborted'); -const protocolVersions = [8, 13]; -const readyStates = ['CONNECTING', 'OPEN', 'CLOSING', 'CLOSED']; -const subprotocolRegex = /^[!#$%&'*+\-.0-9A-Z^_`|a-z~]+$/; - -/** - * Class representing a WebSocket. - * - * @extends EventEmitter - */ -class WebSocket extends EventEmitter { - /** - * Create a new `WebSocket`. - * - * @param {(String|URL)} address The URL to which to connect - * @param {(String|String[])} [protocols] The subprotocols - * @param {Object} [options] Connection options - */ - constructor(address, protocols, options) { - super(); - - this._binaryType = BINARY_TYPES[0]; - this._closeCode = 1006; - this._closeFrameReceived = false; - this._closeFrameSent = false; - this._closeMessage = EMPTY_BUFFER; - this._closeTimer = null; - this._extensions = {}; - this._paused = false; - this._protocol = ''; - this._readyState = WebSocket.CONNECTING; - this._receiver = null; - this._sender = null; - this._socket = null; - - if (address !== null) { - this._bufferedAmount = 0; - this._isServer = false; - this._redirects = 0; - - if (protocols === undefined) { - protocols = []; - } else if (!Array.isArray(protocols)) { - if (typeof protocols === 'object' && protocols !== null) { - options = protocols; - protocols = []; - } else { - protocols = [protocols]; - } - } - - initAsClient(this, address, protocols, options); - } else { - this._isServer = true; - } - } - - /** - * This deviates from the WHATWG interface since ws doesn't support the - * required default "blob" type (instead we define a custom "nodebuffer" - * type). - * - * @type {String} - */ - get binaryType() { - return this._binaryType; - } - - set binaryType(type) { - if (!BINARY_TYPES.includes(type)) return; - - this._binaryType = type; - - // - // Allow to change `binaryType` on the fly. - // - if (this._receiver) this._receiver._binaryType = type; - } - - /** - * @type {Number} - */ - get bufferedAmount() { - if (!this._socket) return this._bufferedAmount; - - return this._socket._writableState.length + this._sender._bufferedBytes; - } - - /** - * @type {String} - */ - get extensions() { - return Object.keys(this._extensions).join(); - } - - /** - * @type {Boolean} - */ - get isPaused() { - return this._paused; - } - - /** - * @type {Function} - */ - /* istanbul ignore next */ - get onclose() { - return null; - } - - /** - * @type {Function} - */ - /* istanbul ignore next */ - get onerror() { - return null; - } - - /** - * @type {Function} - */ - /* istanbul ignore next */ - get onopen() { - return null; - } - - /** - * @type {Function} - */ - /* istanbul ignore next */ - get onmessage() { - return null; - } - - /** - * @type {String} - */ - get protocol() { - return this._protocol; - } - - /** - * @type {Number} - */ - get readyState() { - return this._readyState; - } - - /** - * @type {String} - */ - get url() { - return this._url; - } - - /** - * Set up the socket and the internal resources. - * - * @param {(net.Socket|tls.Socket)} socket The network socket between the - * server and client - * @param {Buffer} head The first packet of the upgraded stream - * @param {Object} options Options object - * @param {Function} [options.generateMask] The function used to generate the - * masking key - * @param {Number} [options.maxPayload=0] The maximum allowed message size - * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or - * not to skip UTF-8 validation for text and close messages - * @private - */ - setSocket(socket, head, options) { - const receiver = new Receiver({ - binaryType: this.binaryType, - extensions: this._extensions, - isServer: this._isServer, - maxPayload: options.maxPayload, - skipUTF8Validation: options.skipUTF8Validation - }); - - this._sender = new Sender(socket, this._extensions, options.generateMask); - this._receiver = receiver; - this._socket = socket; - - receiver[kWebSocket] = this; - socket[kWebSocket] = this; - - receiver.on('conclude', receiverOnConclude); - receiver.on('drain', receiverOnDrain); - receiver.on('error', receiverOnError); - receiver.on('message', receiverOnMessage); - receiver.on('ping', receiverOnPing); - receiver.on('pong', receiverOnPong); - - socket.setTimeout(0); - socket.setNoDelay(); - - if (head.length > 0) socket.unshift(head); - - socket.on('close', socketOnClose); - socket.on('data', socketOnData); - socket.on('end', socketOnEnd); - socket.on('error', socketOnError); - - this._readyState = WebSocket.OPEN; - this.emit('open'); - } - - /** - * Emit the `'close'` event. - * - * @private - */ - emitClose() { - if (!this._socket) { - this._readyState = WebSocket.CLOSED; - this.emit('close', this._closeCode, this._closeMessage); - return; - } - - if (this._extensions[PerMessageDeflate.extensionName]) { - this._extensions[PerMessageDeflate.extensionName].cleanup(); - } - - this._receiver.removeAllListeners(); - this._readyState = WebSocket.CLOSED; - this.emit('close', this._closeCode, this._closeMessage); - } - - /** - * Start a closing handshake. - * - * +----------+ +-----------+ +----------+ - * - - -|ws.close()|-->|close frame|-->|ws.close()|- - - - * | +----------+ +-----------+ +----------+ | - * +----------+ +-----------+ | - * CLOSING |ws.close()|<--|close frame|<--+-----+ CLOSING - * +----------+ +-----------+ | - * | | | +---+ | - * +------------------------+-->|fin| - - - - - * | +---+ | +---+ - * - - - - -|fin|<---------------------+ - * +---+ - * - * @param {Number} [code] Status code explaining why the connection is closing - * @param {(String|Buffer)} [data] The reason why the connection is - * closing - * @public - */ - close(code, data) { - if (this.readyState === WebSocket.CLOSED) return; - if (this.readyState === WebSocket.CONNECTING) { - const msg = 'WebSocket was closed before the connection was established'; - return abortHandshake(this, this._req, msg); - } - - if (this.readyState === WebSocket.CLOSING) { - if ( - this._closeFrameSent && - (this._closeFrameReceived || this._receiver._writableState.errorEmitted) - ) { - this._socket.end(); - } - - return; - } - - this._readyState = WebSocket.CLOSING; - this._sender.close(code, data, !this._isServer, (err) => { - // - // This error is handled by the `'error'` listener on the socket. We only - // want to know if the close frame has been sent here. - // - if (err) return; - - this._closeFrameSent = true; - - if ( - this._closeFrameReceived || - this._receiver._writableState.errorEmitted - ) { - this._socket.end(); - } - }); - - // - // Specify a timeout for the closing handshake to complete. - // - this._closeTimer = setTimeout( - this._socket.destroy.bind(this._socket), - closeTimeout - ); - } - - /** - * Pause the socket. - * - * @public - */ - pause() { - if ( - this.readyState === WebSocket.CONNECTING || - this.readyState === WebSocket.CLOSED - ) { - return; - } - - this._paused = true; - this._socket.pause(); - } - - /** - * Send a ping. - * - * @param {*} [data] The data to send - * @param {Boolean} [mask] Indicates whether or not to mask `data` - * @param {Function} [cb] Callback which is executed when the ping is sent - * @public - */ - ping(data, mask, cb) { - if (this.readyState === WebSocket.CONNECTING) { - throw new Error('WebSocket is not open: readyState 0 (CONNECTING)'); - } - - if (typeof data === 'function') { - cb = data; - data = mask = undefined; - } else if (typeof mask === 'function') { - cb = mask; - mask = undefined; - } - - if (typeof data === 'number') data = data.toString(); - - if (this.readyState !== WebSocket.OPEN) { - sendAfterClose(this, data, cb); - return; - } - - if (mask === undefined) mask = !this._isServer; - this._sender.ping(data || EMPTY_BUFFER, mask, cb); - } - - /** - * Send a pong. - * - * @param {*} [data] The data to send - * @param {Boolean} [mask] Indicates whether or not to mask `data` - * @param {Function} [cb] Callback which is executed when the pong is sent - * @public - */ - pong(data, mask, cb) { - if (this.readyState === WebSocket.CONNECTING) { - throw new Error('WebSocket is not open: readyState 0 (CONNECTING)'); - } - - if (typeof data === 'function') { - cb = data; - data = mask = undefined; - } else if (typeof mask === 'function') { - cb = mask; - mask = undefined; - } - - if (typeof data === 'number') data = data.toString(); - - if (this.readyState !== WebSocket.OPEN) { - sendAfterClose(this, data, cb); - return; - } - - if (mask === undefined) mask = !this._isServer; - this._sender.pong(data || EMPTY_BUFFER, mask, cb); - } - - /** - * Resume the socket. - * - * @public - */ - resume() { - if ( - this.readyState === WebSocket.CONNECTING || - this.readyState === WebSocket.CLOSED - ) { - return; - } - - this._paused = false; - if (!this._receiver._writableState.needDrain) this._socket.resume(); - } - - /** - * Send a data message. - * - * @param {*} data The message to send - * @param {Object} [options] Options object - * @param {Boolean} [options.binary] Specifies whether `data` is binary or - * text - * @param {Boolean} [options.compress] Specifies whether or not to compress - * `data` - * @param {Boolean} [options.fin=true] Specifies whether the fragment is the - * last one - * @param {Boolean} [options.mask] Specifies whether or not to mask `data` - * @param {Function} [cb] Callback which is executed when data is written out - * @public - */ - send(data, options, cb) { - if (this.readyState === WebSocket.CONNECTING) { - throw new Error('WebSocket is not open: readyState 0 (CONNECTING)'); - } - - if (typeof options === 'function') { - cb = options; - options = {}; - } - - if (typeof data === 'number') data = data.toString(); - - if (this.readyState !== WebSocket.OPEN) { - sendAfterClose(this, data, cb); - return; - } - - const opts = { - binary: typeof data !== 'string', - mask: !this._isServer, - compress: true, - fin: true, - ...options - }; - - if (!this._extensions[PerMessageDeflate.extensionName]) { - opts.compress = false; - } - - this._sender.send(data || EMPTY_BUFFER, opts, cb); - } - - /** - * Forcibly close the connection. - * - * @public - */ - terminate() { - if (this.readyState === WebSocket.CLOSED) return; - if (this.readyState === WebSocket.CONNECTING) { - const msg = 'WebSocket was closed before the connection was established'; - return abortHandshake(this, this._req, msg); - } - - if (this._socket) { - this._readyState = WebSocket.CLOSING; - this._socket.destroy(); - } - } -} - -/** - * @constant {Number} CONNECTING - * @memberof WebSocket - */ -Object.defineProperty(WebSocket, 'CONNECTING', { - enumerable: true, - value: readyStates.indexOf('CONNECTING') -}); - -/** - * @constant {Number} CONNECTING - * @memberof WebSocket.prototype - */ -Object.defineProperty(WebSocket.prototype, 'CONNECTING', { - enumerable: true, - value: readyStates.indexOf('CONNECTING') -}); - -/** - * @constant {Number} OPEN - * @memberof WebSocket - */ -Object.defineProperty(WebSocket, 'OPEN', { - enumerable: true, - value: readyStates.indexOf('OPEN') -}); - -/** - * @constant {Number} OPEN - * @memberof WebSocket.prototype - */ -Object.defineProperty(WebSocket.prototype, 'OPEN', { - enumerable: true, - value: readyStates.indexOf('OPEN') -}); - -/** - * @constant {Number} CLOSING - * @memberof WebSocket - */ -Object.defineProperty(WebSocket, 'CLOSING', { - enumerable: true, - value: readyStates.indexOf('CLOSING') -}); - -/** - * @constant {Number} CLOSING - * @memberof WebSocket.prototype - */ -Object.defineProperty(WebSocket.prototype, 'CLOSING', { - enumerable: true, - value: readyStates.indexOf('CLOSING') -}); - -/** - * @constant {Number} CLOSED - * @memberof WebSocket - */ -Object.defineProperty(WebSocket, 'CLOSED', { - enumerable: true, - value: readyStates.indexOf('CLOSED') -}); - -/** - * @constant {Number} CLOSED - * @memberof WebSocket.prototype - */ -Object.defineProperty(WebSocket.prototype, 'CLOSED', { - enumerable: true, - value: readyStates.indexOf('CLOSED') -}); - -[ - 'binaryType', - 'bufferedAmount', - 'extensions', - 'isPaused', - 'protocol', - 'readyState', - 'url' -].forEach((property) => { - Object.defineProperty(WebSocket.prototype, property, { enumerable: true }); -}); - -// -// Add the `onopen`, `onerror`, `onclose`, and `onmessage` attributes. -// See https://html.spec.whatwg.org/multipage/comms.html#the-websocket-interface -// -['open', 'error', 'close', 'message'].forEach((method) => { - Object.defineProperty(WebSocket.prototype, `on${method}`, { - enumerable: true, - get() { - for (const listener of this.listeners(method)) { - if (listener[kForOnEventAttribute]) return listener[kListener]; - } - - return null; - }, - set(handler) { - for (const listener of this.listeners(method)) { - if (listener[kForOnEventAttribute]) { - this.removeListener(method, listener); - break; - } - } - - if (typeof handler !== 'function') return; - - this.addEventListener(method, handler, { - [kForOnEventAttribute]: true - }); - } - }); -}); - -WebSocket.prototype.addEventListener = addEventListener; -WebSocket.prototype.removeEventListener = removeEventListener; - -module.exports = WebSocket; - -/** - * Initialize a WebSocket client. - * - * @param {WebSocket} websocket The client to initialize - * @param {(String|URL)} address The URL to which to connect - * @param {Array} protocols The subprotocols - * @param {Object} [options] Connection options - * @param {Boolean} [options.followRedirects=false] Whether or not to follow - * redirects - * @param {Function} [options.generateMask] The function used to generate the - * masking key - * @param {Number} [options.handshakeTimeout] Timeout in milliseconds for the - * handshake request - * @param {Number} [options.maxPayload=104857600] The maximum allowed message - * size - * @param {Number} [options.maxRedirects=10] The maximum number of redirects - * allowed - * @param {String} [options.origin] Value of the `Origin` or - * `Sec-WebSocket-Origin` header - * @param {(Boolean|Object)} [options.perMessageDeflate=true] Enable/disable - * permessage-deflate - * @param {Number} [options.protocolVersion=13] Value of the - * `Sec-WebSocket-Version` header - * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or - * not to skip UTF-8 validation for text and close messages - * @private - */ -function initAsClient(websocket, address, protocols, options) { - const opts = { - protocolVersion: protocolVersions[1], - maxPayload: 100 * 1024 * 1024, - skipUTF8Validation: false, - perMessageDeflate: true, - followRedirects: false, - maxRedirects: 10, - ...options, - createConnection: undefined, - socketPath: undefined, - hostname: undefined, - protocol: undefined, - timeout: undefined, - method: 'GET', - host: undefined, - path: undefined, - port: undefined - }; - - if (!protocolVersions.includes(opts.protocolVersion)) { - throw new RangeError( - `Unsupported protocol version: ${opts.protocolVersion} ` + - `(supported versions: ${protocolVersions.join(', ')})` - ); - } - - let parsedUrl; - - if (address instanceof URL) { - parsedUrl = address; - websocket._url = address.href; - } else { - try { - parsedUrl = new URL(address); - } catch (e) { - throw new SyntaxError(`Invalid URL: ${address}`); - } - - websocket._url = address; - } - - const isSecure = parsedUrl.protocol === 'wss:'; - const isIpcUrl = parsedUrl.protocol === 'ws+unix:'; - let invalidUrlMessage; - - if (parsedUrl.protocol !== 'ws:' && !isSecure && !isIpcUrl) { - invalidUrlMessage = - 'The URL\'s protocol must be one of "ws:", "wss:", or "ws+unix:"'; - } else if (isIpcUrl && !parsedUrl.pathname) { - invalidUrlMessage = "The URL's pathname is empty"; - } else if (parsedUrl.hash) { - invalidUrlMessage = 'The URL contains a fragment identifier'; - } - - if (invalidUrlMessage) { - const err = new SyntaxError(invalidUrlMessage); - - if (websocket._redirects === 0) { - throw err; - } else { - emitErrorAndClose(websocket, err); - return; - } - } - - const defaultPort = isSecure ? 443 : 80; - const key = randomBytes(16).toString('base64'); - const request = isSecure ? https.request : http.request; - const protocolSet = new Set(); - let perMessageDeflate; - - opts.createConnection = isSecure ? tlsConnect : netConnect; - opts.defaultPort = opts.defaultPort || defaultPort; - opts.port = parsedUrl.port || defaultPort; - opts.host = parsedUrl.hostname.startsWith('[') - ? parsedUrl.hostname.slice(1, -1) - : parsedUrl.hostname; - opts.headers = { - ...opts.headers, - 'Sec-WebSocket-Version': opts.protocolVersion, - 'Sec-WebSocket-Key': key, - Connection: 'Upgrade', - Upgrade: 'websocket' - }; - opts.path = parsedUrl.pathname + parsedUrl.search; - opts.timeout = opts.handshakeTimeout; - - if (opts.perMessageDeflate) { - perMessageDeflate = new PerMessageDeflate( - opts.perMessageDeflate !== true ? opts.perMessageDeflate : {}, - false, - opts.maxPayload - ); - opts.headers['Sec-WebSocket-Extensions'] = format({ - [PerMessageDeflate.extensionName]: perMessageDeflate.offer() - }); - } - if (protocols.length) { - for (const protocol of protocols) { - if ( - typeof protocol !== 'string' || - !subprotocolRegex.test(protocol) || - protocolSet.has(protocol) - ) { - throw new SyntaxError( - 'An invalid or duplicated subprotocol was specified' - ); - } - - protocolSet.add(protocol); - } - - opts.headers['Sec-WebSocket-Protocol'] = protocols.join(','); - } - if (opts.origin) { - if (opts.protocolVersion < 13) { - opts.headers['Sec-WebSocket-Origin'] = opts.origin; - } else { - opts.headers.Origin = opts.origin; - } - } - if (parsedUrl.username || parsedUrl.password) { - opts.auth = `${parsedUrl.username}:${parsedUrl.password}`; - } - - if (isIpcUrl) { - const parts = opts.path.split(':'); - - opts.socketPath = parts[0]; - opts.path = parts[1]; - } - - let req; - - if (opts.followRedirects) { - if (websocket._redirects === 0) { - websocket._originalIpc = isIpcUrl; - websocket._originalSecure = isSecure; - websocket._originalHostOrSocketPath = isIpcUrl - ? opts.socketPath - : parsedUrl.host; - - const headers = options && options.headers; - - // - // Shallow copy the user provided options so that headers can be changed - // without mutating the original object. - // - options = { ...options, headers: {} }; - - if (headers) { - for (const [key, value] of Object.entries(headers)) { - options.headers[key.toLowerCase()] = value; - } - } - } else if (websocket.listenerCount('redirect') === 0) { - const isSameHost = isIpcUrl - ? websocket._originalIpc - ? opts.socketPath === websocket._originalHostOrSocketPath - : false - : websocket._originalIpc - ? false - : parsedUrl.host === websocket._originalHostOrSocketPath; - - if (!isSameHost || (websocket._originalSecure && !isSecure)) { - // - // Match curl 7.77.0 behavior and drop the following headers. These - // headers are also dropped when following a redirect to a subdomain. - // - delete opts.headers.authorization; - delete opts.headers.cookie; - - if (!isSameHost) delete opts.headers.host; - - opts.auth = undefined; - } - } - - // - // Match curl 7.77.0 behavior and make the first `Authorization` header win. - // If the `Authorization` header is set, then there is nothing to do as it - // will take precedence. - // - if (opts.auth && !options.headers.authorization) { - options.headers.authorization = - 'Basic ' + Buffer.from(opts.auth).toString('base64'); - } - - req = websocket._req = request(opts); - - if (websocket._redirects) { - // - // Unlike what is done for the `'upgrade'` event, no early exit is - // triggered here if the user calls `websocket.close()` or - // `websocket.terminate()` from a listener of the `'redirect'` event. This - // is because the user can also call `request.destroy()` with an error - // before calling `websocket.close()` or `websocket.terminate()` and this - // would result in an error being emitted on the `request` object with no - // `'error'` event listeners attached. - // - websocket.emit('redirect', websocket.url, req); - } - } else { - req = websocket._req = request(opts); - } - - if (opts.timeout) { - req.on('timeout', () => { - abortHandshake(websocket, req, 'Opening handshake has timed out'); - }); - } - - req.on('error', (err) => { - if (req === null || req[kAborted]) return; - - req = websocket._req = null; - emitErrorAndClose(websocket, err); - }); - - req.on('response', (res) => { - const location = res.headers.location; - const statusCode = res.statusCode; - - if ( - location && - opts.followRedirects && - statusCode >= 300 && - statusCode < 400 - ) { - if (++websocket._redirects > opts.maxRedirects) { - abortHandshake(websocket, req, 'Maximum redirects exceeded'); - return; - } - - req.abort(); - - let addr; - - try { - addr = new URL(location, address); - } catch (e) { - const err = new SyntaxError(`Invalid URL: ${location}`); - emitErrorAndClose(websocket, err); - return; - } - - initAsClient(websocket, addr, protocols, options); - } else if (!websocket.emit('unexpected-response', req, res)) { - abortHandshake( - websocket, - req, - `Unexpected server response: ${res.statusCode}` - ); - } - }); - - req.on('upgrade', (res, socket, head) => { - websocket.emit('upgrade', res); - - // - // The user may have closed the connection from a listener of the - // `'upgrade'` event. - // - if (websocket.readyState !== WebSocket.CONNECTING) return; - - req = websocket._req = null; - - if (res.headers.upgrade.toLowerCase() !== 'websocket') { - abortHandshake(websocket, socket, 'Invalid Upgrade header'); - return; - } - - const digest = createHash('sha1') - .update(key + GUID) - .digest('base64'); - - if (res.headers['sec-websocket-accept'] !== digest) { - abortHandshake(websocket, socket, 'Invalid Sec-WebSocket-Accept header'); - return; - } - - const serverProt = res.headers['sec-websocket-protocol']; - let protError; - - if (serverProt !== undefined) { - if (!protocolSet.size) { - protError = 'Server sent a subprotocol but none was requested'; - } else if (!protocolSet.has(serverProt)) { - protError = 'Server sent an invalid subprotocol'; - } - } else if (protocolSet.size) { - protError = 'Server sent no subprotocol'; - } - - if (protError) { - abortHandshake(websocket, socket, protError); - return; - } - - if (serverProt) websocket._protocol = serverProt; - - const secWebSocketExtensions = res.headers['sec-websocket-extensions']; - - if (secWebSocketExtensions !== undefined) { - if (!perMessageDeflate) { - const message = - 'Server sent a Sec-WebSocket-Extensions header but no extension ' + - 'was requested'; - abortHandshake(websocket, socket, message); - return; - } - - let extensions; - - try { - extensions = parse(secWebSocketExtensions); - } catch (err) { - const message = 'Invalid Sec-WebSocket-Extensions header'; - abortHandshake(websocket, socket, message); - return; - } - - const extensionNames = Object.keys(extensions); - - if ( - extensionNames.length !== 1 || - extensionNames[0] !== PerMessageDeflate.extensionName - ) { - const message = 'Server indicated an extension that was not requested'; - abortHandshake(websocket, socket, message); - return; - } - - try { - perMessageDeflate.accept(extensions[PerMessageDeflate.extensionName]); - } catch (err) { - const message = 'Invalid Sec-WebSocket-Extensions header'; - abortHandshake(websocket, socket, message); - return; - } - - websocket._extensions[PerMessageDeflate.extensionName] = - perMessageDeflate; - } - - websocket.setSocket(socket, head, { - generateMask: opts.generateMask, - maxPayload: opts.maxPayload, - skipUTF8Validation: opts.skipUTF8Validation - }); - }); - - req.end(); -} - -/** - * Emit the `'error'` and `'close'` events. - * - * @param {WebSocket} websocket The WebSocket instance - * @param {Error} The error to emit - * @private - */ -function emitErrorAndClose(websocket, err) { - websocket._readyState = WebSocket.CLOSING; - websocket.emit('error', err); - websocket.emitClose(); -} - -/** - * Create a `net.Socket` and initiate a connection. - * - * @param {Object} options Connection options - * @return {net.Socket} The newly created socket used to start the connection - * @private - */ -function netConnect(options) { - options.path = options.socketPath; - return net.connect(options); -} - -/** - * Create a `tls.TLSSocket` and initiate a connection. - * - * @param {Object} options Connection options - * @return {tls.TLSSocket} The newly created socket used to start the connection - * @private - */ -function tlsConnect(options) { - options.path = undefined; - - if (!options.servername && options.servername !== '') { - options.servername = net.isIP(options.host) ? '' : options.host; - } - - return tls.connect(options); -} - -/** - * Abort the handshake and emit an error. - * - * @param {WebSocket} websocket The WebSocket instance - * @param {(http.ClientRequest|net.Socket|tls.Socket)} stream The request to - * abort or the socket to destroy - * @param {String} message The error message - * @private - */ -function abortHandshake(websocket, stream, message) { - websocket._readyState = WebSocket.CLOSING; - - const err = new Error(message); - Error.captureStackTrace(err, abortHandshake); - - if (stream.setHeader) { - stream[kAborted] = true; - stream.abort(); - - if (stream.socket && !stream.socket.destroyed) { - // - // On Node.js >= 14.3.0 `request.abort()` does not destroy the socket if - // called after the request completed. See - // https://github.com/websockets/ws/issues/1869. - // - stream.socket.destroy(); - } - - process.nextTick(emitErrorAndClose, websocket, err); - } else { - stream.destroy(err); - stream.once('error', websocket.emit.bind(websocket, 'error')); - stream.once('close', websocket.emitClose.bind(websocket)); - } -} - -/** - * Handle cases where the `ping()`, `pong()`, or `send()` methods are called - * when the `readyState` attribute is `CLOSING` or `CLOSED`. - * - * @param {WebSocket} websocket The WebSocket instance - * @param {*} [data] The data to send - * @param {Function} [cb] Callback - * @private - */ -function sendAfterClose(websocket, data, cb) { - if (data) { - const length = toBuffer(data).length; - - // - // The `_bufferedAmount` property is used only when the peer is a client and - // the opening handshake fails. Under these circumstances, in fact, the - // `setSocket()` method is not called, so the `_socket` and `_sender` - // properties are set to `null`. - // - if (websocket._socket) websocket._sender._bufferedBytes += length; - else websocket._bufferedAmount += length; - } - - if (cb) { - const err = new Error( - `WebSocket is not open: readyState ${websocket.readyState} ` + - `(${readyStates[websocket.readyState]})` - ); - cb(err); - } -} - -/** - * The listener of the `Receiver` `'conclude'` event. - * - * @param {Number} code The status code - * @param {Buffer} reason The reason for closing - * @private - */ -function receiverOnConclude(code, reason) { - const websocket = this[kWebSocket]; - - websocket._closeFrameReceived = true; - websocket._closeMessage = reason; - websocket._closeCode = code; - - if (websocket._socket[kWebSocket] === undefined) return; - - websocket._socket.removeListener('data', socketOnData); - process.nextTick(resume, websocket._socket); - - if (code === 1005) websocket.close(); - else websocket.close(code, reason); -} - -/** - * The listener of the `Receiver` `'drain'` event. - * - * @private - */ -function receiverOnDrain() { - const websocket = this[kWebSocket]; - - if (!websocket.isPaused) websocket._socket.resume(); -} - -/** - * The listener of the `Receiver` `'error'` event. - * - * @param {(RangeError|Error)} err The emitted error - * @private - */ -function receiverOnError(err) { - const websocket = this[kWebSocket]; - - if (websocket._socket[kWebSocket] !== undefined) { - websocket._socket.removeListener('data', socketOnData); - - // - // On Node.js < 14.0.0 the `'error'` event is emitted synchronously. See - // https://github.com/websockets/ws/issues/1940. - // - process.nextTick(resume, websocket._socket); - - websocket.close(err[kStatusCode]); - } - - websocket.emit('error', err); -} - -/** - * The listener of the `Receiver` `'finish'` event. - * - * @private - */ -function receiverOnFinish() { - this[kWebSocket].emitClose(); -} - -/** - * The listener of the `Receiver` `'message'` event. - * - * @param {Buffer|ArrayBuffer|Buffer[])} data The message - * @param {Boolean} isBinary Specifies whether the message is binary or not - * @private - */ -function receiverOnMessage(data, isBinary) { - this[kWebSocket].emit('message', data, isBinary); -} - -/** - * The listener of the `Receiver` `'ping'` event. - * - * @param {Buffer} data The data included in the ping frame - * @private - */ -function receiverOnPing(data) { - const websocket = this[kWebSocket]; - - websocket.pong(data, !websocket._isServer, NOOP); - websocket.emit('ping', data); -} - -/** - * The listener of the `Receiver` `'pong'` event. - * - * @param {Buffer} data The data included in the pong frame - * @private - */ -function receiverOnPong(data) { - this[kWebSocket].emit('pong', data); -} - -/** - * Resume a readable stream - * - * @param {Readable} stream The readable stream - * @private - */ -function resume(stream) { - stream.resume(); -} - -/** - * The listener of the `net.Socket` `'close'` event. - * - * @private - */ -function socketOnClose() { - const websocket = this[kWebSocket]; - - this.removeListener('close', socketOnClose); - this.removeListener('data', socketOnData); - this.removeListener('end', socketOnEnd); - - websocket._readyState = WebSocket.CLOSING; - - let chunk; - - // - // The close frame might not have been received or the `'end'` event emitted, - // for example, if the socket was destroyed due to an error. Ensure that the - // `receiver` stream is closed after writing any remaining buffered data to - // it. If the readable side of the socket is in flowing mode then there is no - // buffered data as everything has been already written and `readable.read()` - // will return `null`. If instead, the socket is paused, any possible buffered - // data will be read as a single chunk. - // - if ( - !this._readableState.endEmitted && - !websocket._closeFrameReceived && - !websocket._receiver._writableState.errorEmitted && - (chunk = websocket._socket.read()) !== null - ) { - websocket._receiver.write(chunk); - } - - websocket._receiver.end(); - - this[kWebSocket] = undefined; - - clearTimeout(websocket._closeTimer); - - if ( - websocket._receiver._writableState.finished || - websocket._receiver._writableState.errorEmitted - ) { - websocket.emitClose(); - } else { - websocket._receiver.on('error', receiverOnFinish); - websocket._receiver.on('finish', receiverOnFinish); - } -} - -/** - * The listener of the `net.Socket` `'data'` event. - * - * @param {Buffer} chunk A chunk of data - * @private - */ -function socketOnData(chunk) { - if (!this[kWebSocket]._receiver.write(chunk)) { - this.pause(); - } -} - -/** - * The listener of the `net.Socket` `'end'` event. - * - * @private - */ -function socketOnEnd() { - const websocket = this[kWebSocket]; - - websocket._readyState = WebSocket.CLOSING; - websocket._receiver.end(); - this.end(); -} - -/** - * The listener of the `net.Socket` `'error'` event. - * - * @private - */ -function socketOnError() { - const websocket = this[kWebSocket]; - - this.removeListener('error', socketOnError); - this.on('error', NOOP); - - if (websocket) { - websocket._readyState = WebSocket.CLOSING; - this.destroy(); - } -} diff --git a/examples/axum-echo/node_modules/ws/package.json b/examples/axum-echo/node_modules/ws/package.json deleted file mode 100644 index 24ffdc55..00000000 --- a/examples/axum-echo/node_modules/ws/package.json +++ /dev/null @@ -1,64 +0,0 @@ -{ - "name": "ws", - "version": "8.11.0", - "description": "Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js", - "keywords": [ - "HyBi", - "Push", - "RFC-6455", - "WebSocket", - "WebSockets", - "real-time" - ], - "homepage": "https://github.com/websockets/ws", - "bugs": "https://github.com/websockets/ws/issues", - "repository": "websockets/ws", - "author": "Einar Otto Stangvik (http://2x.io)", - "license": "MIT", - "main": "index.js", - "exports": { - ".": { - "import": "./wrapper.mjs", - "require": "./index.js" - }, - "./package.json": "./package.json" - }, - "browser": "browser.js", - "engines": { - "node": ">=10.0.0" - }, - "files": [ - "browser.js", - "index.js", - "lib/*.js", - "wrapper.mjs" - ], - "scripts": { - "test": "nyc --reporter=lcov --reporter=text mocha --throw-deprecation test/*.test.js", - "integration": "mocha --throw-deprecation test/*.integration.js", - "lint": "eslint --ignore-path .gitignore . && prettier --check --ignore-path .gitignore \"**/*.{json,md,yaml,yml}\"" - }, - "peerDependencies": { - "bufferutil": "^4.0.1", - "utf-8-validate": "^5.0.2" - }, - "peerDependenciesMeta": { - "bufferutil": { - "optional": true - }, - "utf-8-validate": { - "optional": true - } - }, - "devDependencies": { - "benchmark": "^2.1.4", - "bufferutil": "^4.0.1", - "eslint": "^8.0.0", - "eslint-config-prettier": "^8.1.0", - "eslint-plugin-prettier": "^4.0.0", - "mocha": "^8.4.0", - "nyc": "^15.0.0", - "prettier": "^2.0.5", - "utf-8-validate": "^5.0.2" - } -} diff --git a/examples/axum-echo/node_modules/ws/wrapper.mjs b/examples/axum-echo/node_modules/ws/wrapper.mjs deleted file mode 100644 index 7245ad15..00000000 --- a/examples/axum-echo/node_modules/ws/wrapper.mjs +++ /dev/null @@ -1,8 +0,0 @@ -import createWebSocketStream from './lib/stream.js'; -import Receiver from './lib/receiver.js'; -import Sender from './lib/sender.js'; -import WebSocket from './lib/websocket.js'; -import WebSocketServer from './lib/websocket-server.js'; - -export { createWebSocketStream, Receiver, Sender, WebSocket, WebSocketServer }; -export default WebSocket; diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/LICENSE b/examples/axum-echo/node_modules/xmlhttprequest-ssl/LICENSE deleted file mode 100644 index 1c63271b..00000000 --- a/examples/axum-echo/node_modules/xmlhttprequest-ssl/LICENSE +++ /dev/null @@ -1,22 +0,0 @@ - Copyright (c) 2010 passive.ly LLC - - Permission is hereby granted, free of charge, to any person - obtaining a copy of this software and associated documentation - files (the "Software"), to deal in the Software without - restriction, including without limitation the rights to use, - copy, modify, merge, publish, distribute, sublicense, and/or sell - copies of the Software, and to permit persons to whom the - Software is furnished to do so, subject to the following - conditions: - - The above copyright notice and this permission notice shall be - included in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES - OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT - HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - OTHER DEALINGS IN THE SOFTWARE. diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/README.md b/examples/axum-echo/node_modules/xmlhttprequest-ssl/README.md deleted file mode 100644 index 7e09b949..00000000 --- a/examples/axum-echo/node_modules/xmlhttprequest-ssl/README.md +++ /dev/null @@ -1,67 +0,0 @@ -# node-XMLHttpRequest # - -Fork of [node-XMLHttpRequest](https://github.com/driverdan/node-XMLHttpRequest) by [driverdan](http://driverdan.com). Forked and published to npm because a [pull request](https://github.com/rase-/node-XMLHttpRequest/commit/a6b6f296e0a8278165c2d0270d9840b54d5eeadd) is not being created and merged. Changes made by [rase-](https://github.com/rase-/node-XMLHttpRequest/tree/add/ssl-support) are needed for [engine.io-client](https://github.com/Automattic/engine.io-client). - -## Usage ## - -Here's how to include the module in your project and use as the browser-based -XHR object. - - var XMLHttpRequest = require("xmlhttprequest-ssl").XMLHttpRequest; - var xhr = new XMLHttpRequest(); - -Note: use the lowercase string "xmlhttprequest-ssl" in your require(). On -case-sensitive systems (eg Linux) using uppercase letters won't work. -# Original README # - -## Usage ## - -Here's how to include the module in your project and use as the browser-based -XHR object. - - var XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest; - var xhr = new XMLHttpRequest(); - -Note: use the lowercase string "xmlhttprequest" in your require(). On -case-sensitive systems (eg Linux) using uppercase letters won't work. - -## Versions ## - -Version 2.0.0 introduces a potentially breaking change concerning local file system requests. -If these requests fail this library now returns the `errno` (or -1) as the response status code instead of -returning status code 0. - -Prior to 1.4.0 version numbers were arbitrary. From 1.4.0 on they conform to -the standard major.minor.bugfix. 1.x shouldn't necessarily be considered -stable just because it's above 0.x. - -Since the XMLHttpRequest API is stable this library's API is stable as -well. Major version numbers indicate significant core code changes. -Minor versions indicate minor core code changes or better conformity to -the W3C spec. - -## License ## - -MIT license. See LICENSE for full details. - -## Supports ## - -* Async and synchronous requests -* GET, POST, PUT, and DELETE requests -* All spec methods (open, send, abort, getRequestHeader, - getAllRequestHeaders, event methods) -* Requests to all domains - -## Known Issues / Missing Features ## - -For a list of open issues or to report your own visit the [github issues -page](https://github.com/driverdan/node-XMLHttpRequest/issues). - -* Local file access may have unexpected results for non-UTF8 files -* Synchronous requests don't set headers properly -* Synchronous requests freeze node while waiting for response (But that's what you want, right? Stick with async!). -* Some events are missing, such as abort -* getRequestHeader is case-sensitive -* Cookies aren't persisted between requests -* Missing XML support -* Missing basic auth diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/autotest.watchr b/examples/axum-echo/node_modules/xmlhttprequest-ssl/autotest.watchr deleted file mode 100644 index 5324db6c..00000000 --- a/examples/axum-echo/node_modules/xmlhttprequest-ssl/autotest.watchr +++ /dev/null @@ -1,8 +0,0 @@ -def run_all_tests - puts `clear` - puts `node tests/test-constants.js` - puts `node tests/test-headers.js` - puts `node tests/test-request.js` -end -watch('.*.js') { run_all_tests } -run_all_tests diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/example/demo.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/example/demo.js deleted file mode 100644 index 1872ab54..00000000 --- a/examples/axum-echo/node_modules/xmlhttprequest-ssl/example/demo.js +++ /dev/null @@ -1,16 +0,0 @@ -var sys = require('util'); -var XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest; - -var xhr = new XMLHttpRequest(); - -xhr.onreadystatechange = function() { - console.log("State: " + this.readyState); - - if (this.readyState == 4) { - console.log("Complete.\nBody length: " + this.responseText.length); - console.log("Body:\n" + this.responseText); - } -}; - -xhr.open("GET", "http://driverdan.com"); -xhr.send(); diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/lib/XMLHttpRequest.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/lib/XMLHttpRequest.js deleted file mode 100644 index c0da822c..00000000 --- a/examples/axum-echo/node_modules/xmlhttprequest-ssl/lib/XMLHttpRequest.js +++ /dev/null @@ -1,673 +0,0 @@ -/** - * Wrapper for built-in http.js to emulate the browser XMLHttpRequest object. - * - * This can be used with JS designed for browsers to improve reuse of code and - * allow the use of existing libraries. - * - * Usage: include("XMLHttpRequest.js") and use XMLHttpRequest per W3C specs. - * - * @author Dan DeFelippi - * @contributor David Ellis - * @license MIT - */ - -var fs = require('fs'); -var Url = require('url'); -var spawn = require('child_process').spawn; - -/** - * Module exports. - */ - -module.exports = XMLHttpRequest; - -// backwards-compat -XMLHttpRequest.XMLHttpRequest = XMLHttpRequest; - -/** - * `XMLHttpRequest` constructor. - * - * Supported options for the `opts` object are: - * - * - `agent`: An http.Agent instance; http.globalAgent may be used; if 'undefined', agent usage is disabled - * - * @param {Object} opts optional "options" object - */ - -function XMLHttpRequest(opts) { - "use strict"; - - opts = opts || {}; - - /** - * Private variables - */ - var self = this; - var http = require('http'); - var https = require('https'); - - // Holds http.js objects - var request; - var response; - - // Request settings - var settings = {}; - - // Disable header blacklist. - // Not part of XHR specs. - var disableHeaderCheck = false; - - // Set some default headers - var defaultHeaders = { - "User-Agent": "node-XMLHttpRequest", - "Accept": "*/*" - }; - - var headers = Object.assign({}, defaultHeaders); - - // These headers are not user setable. - // The following are allowed but banned in the spec: - // * user-agent - var forbiddenRequestHeaders = [ - "accept-charset", - "accept-encoding", - "access-control-request-headers", - "access-control-request-method", - "connection", - "content-length", - "content-transfer-encoding", - "cookie", - "cookie2", - "date", - "expect", - "host", - "keep-alive", - "origin", - "referer", - "te", - "trailer", - "transfer-encoding", - "upgrade", - "via" - ]; - - // These request methods are not allowed - var forbiddenRequestMethods = [ - "TRACE", - "TRACK", - "CONNECT" - ]; - - // Send flag - var sendFlag = false; - // Error flag, used when errors occur or abort is called - var errorFlag = false; - var abortedFlag = false; - - // Event listeners - var listeners = {}; - - /** - * Constants - */ - - this.UNSENT = 0; - this.OPENED = 1; - this.HEADERS_RECEIVED = 2; - this.LOADING = 3; - this.DONE = 4; - - /** - * Public vars - */ - - // Current state - this.readyState = this.UNSENT; - - // default ready state change handler in case one is not set or is set late - this.onreadystatechange = null; - - // Result & response - this.responseText = ""; - this.responseXML = ""; - this.status = null; - this.statusText = null; - - /** - * Private methods - */ - - /** - * Check if the specified header is allowed. - * - * @param string header Header to validate - * @return boolean False if not allowed, otherwise true - */ - var isAllowedHttpHeader = function(header) { - return disableHeaderCheck || (header && forbiddenRequestHeaders.indexOf(header.toLowerCase()) === -1); - }; - - /** - * Check if the specified method is allowed. - * - * @param string method Request method to validate - * @return boolean False if not allowed, otherwise true - */ - var isAllowedHttpMethod = function(method) { - return (method && forbiddenRequestMethods.indexOf(method) === -1); - }; - - /** - * Public methods - */ - - /** - * Open the connection. Currently supports local server requests. - * - * @param string method Connection method (eg GET, POST) - * @param string url URL for the connection. - * @param boolean async Asynchronous connection. Default is true. - * @param string user Username for basic authentication (optional) - * @param string password Password for basic authentication (optional) - */ - this.open = function(method, url, async, user, password) { - this.abort(); - errorFlag = false; - abortedFlag = false; - - // Check for valid request method - if (!isAllowedHttpMethod(method)) { - throw new Error("SecurityError: Request method not allowed"); - } - - settings = { - "method": method, - "url": url.toString(), - "async": (typeof async !== "boolean" ? true : async), - "user": user || null, - "password": password || null - }; - - setState(this.OPENED); - }; - - /** - * Disables or enables isAllowedHttpHeader() check the request. Enabled by default. - * This does not conform to the W3C spec. - * - * @param boolean state Enable or disable header checking. - */ - this.setDisableHeaderCheck = function(state) { - disableHeaderCheck = state; - }; - - /** - * Sets a header for the request. - * - * @param string header Header name - * @param string value Header value - * @return boolean Header added - */ - this.setRequestHeader = function(header, value) { - if (this.readyState != this.OPENED) { - throw new Error("INVALID_STATE_ERR: setRequestHeader can only be called when state is OPEN"); - } - if (!isAllowedHttpHeader(header)) { - console.warn('Refused to set unsafe header "' + header + '"'); - return false; - } - if (sendFlag) { - throw new Error("INVALID_STATE_ERR: send flag is true"); - } - headers[header] = value; - return true; - }; - - /** - * Gets a header from the server response. - * - * @param string header Name of header to get. - * @return string Text of the header or null if it doesn't exist. - */ - this.getResponseHeader = function(header) { - if (typeof header === "string" - && this.readyState > this.OPENED - && response.headers[header.toLowerCase()] - && !errorFlag - ) { - return response.headers[header.toLowerCase()]; - } - - return null; - }; - - /** - * Gets all the response headers. - * - * @return string A string with all response headers separated by CR+LF - */ - this.getAllResponseHeaders = function() { - if (this.readyState < this.HEADERS_RECEIVED || errorFlag) { - return ""; - } - var result = ""; - - for (var i in response.headers) { - // Cookie headers are excluded - if (i !== "set-cookie" && i !== "set-cookie2") { - result += i + ": " + response.headers[i] + "\r\n"; - } - } - return result.substr(0, result.length - 2); - }; - - /** - * Gets a request header - * - * @param string name Name of header to get - * @return string Returns the request header or empty string if not set - */ - this.getRequestHeader = function(name) { - // @TODO Make this case insensitive - if (typeof name === "string" && headers[name]) { - return headers[name]; - } - - return ""; - }; - - /** - * Sends the request to the server. - * - * @param string data Optional data to send as request body. - */ - this.send = function(data) { - if (this.readyState != this.OPENED) { - throw new Error("INVALID_STATE_ERR: connection must be opened before send() is called"); - } - - if (sendFlag) { - throw new Error("INVALID_STATE_ERR: send has already been called"); - } - - var ssl = false, local = false; - var url = Url.parse(settings.url); - var host; - // Determine the server - switch (url.protocol) { - case 'https:': - ssl = true; - // SSL & non-SSL both need host, no break here. - case 'http:': - host = url.hostname; - break; - - case 'file:': - local = true; - break; - - case undefined: - case '': - host = "localhost"; - break; - - default: - throw new Error("Protocol not supported."); - } - - // Load files off the local filesystem (file://) - if (local) { - if (settings.method !== "GET") { - throw new Error("XMLHttpRequest: Only GET method is supported"); - } - - if (settings.async) { - fs.readFile(unescape(url.pathname), 'utf8', function(error, data) { - if (error) { - self.handleError(error, error.errno || -1); - } else { - self.status = 200; - self.responseText = data; - setState(self.DONE); - } - }); - } else { - try { - this.responseText = fs.readFileSync(unescape(url.pathname), 'utf8'); - this.status = 200; - setState(self.DONE); - } catch(e) { - this.handleError(e, e.errno || -1); - } - } - - return; - } - - // Default to port 80. If accessing localhost on another port be sure - // to use http://localhost:port/path - var port = url.port || (ssl ? 443 : 80); - // Add query string if one is used - var uri = url.pathname + (url.search ? url.search : ''); - - // Set the Host header or the server may reject the request - headers["Host"] = host; - if (!((ssl && port === 443) || port === 80)) { - headers["Host"] += ':' + url.port; - } - - // Set Basic Auth if necessary - if (settings.user) { - if (typeof settings.password == "undefined") { - settings.password = ""; - } - var authBuf = new Buffer(settings.user + ":" + settings.password); - headers["Authorization"] = "Basic " + authBuf.toString("base64"); - } - - // Set content length header - if (settings.method === "GET" || settings.method === "HEAD") { - data = null; - } else if (data) { - headers["Content-Length"] = Buffer.isBuffer(data) ? data.length : Buffer.byteLength(data); - - if (!headers["Content-Type"]) { - headers["Content-Type"] = "text/plain;charset=UTF-8"; - } - } else if (settings.method === "POST") { - // For a post with no data set Content-Length: 0. - // This is required by buggy servers that don't meet the specs. - headers["Content-Length"] = 0; - } - - var agent = opts.agent || false; - var options = { - host: host, - port: port, - path: uri, - method: settings.method, - headers: headers, - agent: agent - }; - - if (ssl) { - options.pfx = opts.pfx; - options.key = opts.key; - options.passphrase = opts.passphrase; - options.cert = opts.cert; - options.ca = opts.ca; - options.ciphers = opts.ciphers; - options.rejectUnauthorized = opts.rejectUnauthorized === false ? false : true; - } - - // Reset error flag - errorFlag = false; - // Handle async requests - if (settings.async) { - // Use the proper protocol - var doRequest = ssl ? https.request : http.request; - - // Request is being sent, set send flag - sendFlag = true; - - // As per spec, this is called here for historical reasons. - self.dispatchEvent("readystatechange"); - - // Handler for the response - var responseHandler = function(resp) { - // Set response var to the response we got back - // This is so it remains accessable outside this scope - response = resp; - // Check for redirect - // @TODO Prevent looped redirects - if (response.statusCode === 302 || response.statusCode === 303 || response.statusCode === 307) { - // Change URL to the redirect location - settings.url = response.headers.location; - var url = Url.parse(settings.url); - // Set host var in case it's used later - host = url.hostname; - // Options for the new request - var newOptions = { - hostname: url.hostname, - port: url.port, - path: url.path, - method: response.statusCode === 303 ? 'GET' : settings.method, - headers: headers - }; - - if (ssl) { - newOptions.pfx = opts.pfx; - newOptions.key = opts.key; - newOptions.passphrase = opts.passphrase; - newOptions.cert = opts.cert; - newOptions.ca = opts.ca; - newOptions.ciphers = opts.ciphers; - newOptions.rejectUnauthorized = opts.rejectUnauthorized === false ? false : true; - } - - // Issue the new request - request = doRequest(newOptions, responseHandler).on('error', errorHandler); - request.end(); - // @TODO Check if an XHR event needs to be fired here - return; - } - - if (response && response.setEncoding) { - response.setEncoding("utf8"); - } - - setState(self.HEADERS_RECEIVED); - self.status = response.statusCode; - - response.on('data', function(chunk) { - // Make sure there's some data - if (chunk) { - self.responseText += chunk; - } - // Don't emit state changes if the connection has been aborted. - if (sendFlag) { - setState(self.LOADING); - } - }); - - response.on('end', function() { - if (sendFlag) { - // The sendFlag needs to be set before setState is called. Otherwise if we are chaining callbacks - // there can be a timing issue (the callback is called and a new call is made before the flag is reset). - sendFlag = false; - // Discard the 'end' event if the connection has been aborted - setState(self.DONE); - } - }); - - response.on('error', function(error) { - self.handleError(error); - }); - } - - // Error handler for the request - var errorHandler = function(error) { - self.handleError(error); - } - - // Create the request - request = doRequest(options, responseHandler).on('error', errorHandler); - - if (opts.autoUnref) { - request.on('socket', (socket) => { - socket.unref(); - }); - } - - // Node 0.4 and later won't accept empty data. Make sure it's needed. - if (data) { - request.write(data); - } - - request.end(); - - self.dispatchEvent("loadstart"); - } else { // Synchronous - // Create a temporary file for communication with the other Node process - var contentFile = ".node-xmlhttprequest-content-" + process.pid; - var syncFile = ".node-xmlhttprequest-sync-" + process.pid; - fs.writeFileSync(syncFile, "", "utf8"); - // The async request the other Node process executes - var execString = "var http = require('http'), https = require('https'), fs = require('fs');" - + "var doRequest = http" + (ssl ? "s" : "") + ".request;" - + "var options = " + JSON.stringify(options) + ";" - + "var responseText = '';" - + "var req = doRequest(options, function(response) {" - + "response.setEncoding('utf8');" - + "response.on('data', function(chunk) {" - + " responseText += chunk;" - + "});" - + "response.on('end', function() {" - + "fs.writeFileSync('" + contentFile + "', 'NODE-XMLHTTPREQUEST-STATUS:' + response.statusCode + ',' + responseText, 'utf8');" - + "fs.unlinkSync('" + syncFile + "');" - + "});" - + "response.on('error', function(error) {" - + "fs.writeFileSync('" + contentFile + "', 'NODE-XMLHTTPREQUEST-ERROR:' + JSON.stringify(error), 'utf8');" - + "fs.unlinkSync('" + syncFile + "');" - + "});" - + "}).on('error', function(error) {" - + "fs.writeFileSync('" + contentFile + "', 'NODE-XMLHTTPREQUEST-ERROR:' + JSON.stringify(error), 'utf8');" - + "fs.unlinkSync('" + syncFile + "');" - + "});" - + (data ? "req.write('" + JSON.stringify(data).slice(1,-1).replace(/'/g, "\\'") + "');":"") - + "req.end();"; - // Start the other Node Process, executing this string - var syncProc = spawn(process.argv[0], ["-e", execString]); - var statusText; - while(fs.existsSync(syncFile)) { - // Wait while the sync file is empty - } - self.responseText = fs.readFileSync(contentFile, 'utf8'); - // Kill the child process once the file has data - syncProc.stdin.end(); - // Remove the temporary file - fs.unlinkSync(contentFile); - if (self.responseText.match(/^NODE-XMLHTTPREQUEST-ERROR:/)) { - // If the file returned an error, handle it - var errorObj = self.responseText.replace(/^NODE-XMLHTTPREQUEST-ERROR:/, ""); - self.handleError(errorObj, 503); - } else { - // If the file returned okay, parse its data and move to the DONE state - self.status = self.responseText.replace(/^NODE-XMLHTTPREQUEST-STATUS:([0-9]*),.*/, "$1"); - self.responseText = self.responseText.replace(/^NODE-XMLHTTPREQUEST-STATUS:[0-9]*,(.*)/, "$1"); - setState(self.DONE); - } - } - }; - - /** - * Called when an error is encountered to deal with it. - * @param status {number} HTTP status code to use rather than the default (0) for XHR errors. - */ - this.handleError = function(error, status) { - this.status = status || 0; - this.statusText = error; - this.responseText = error.stack; - errorFlag = true; - setState(this.DONE); - }; - - /** - * Aborts a request. - */ - this.abort = function() { - if (request) { - request.abort(); - request = null; - } - - headers = Object.assign({}, defaultHeaders); - this.responseText = ""; - this.responseXML = ""; - - errorFlag = abortedFlag = true - if (this.readyState !== this.UNSENT - && (this.readyState !== this.OPENED || sendFlag) - && this.readyState !== this.DONE) { - sendFlag = false; - setState(this.DONE); - } - this.readyState = this.UNSENT; - }; - - /** - * Adds an event listener. Preferred method of binding to events. - */ - this.addEventListener = function(event, callback) { - if (!(event in listeners)) { - listeners[event] = []; - } - // Currently allows duplicate callbacks. Should it? - listeners[event].push(callback); - }; - - /** - * Remove an event callback that has already been bound. - * Only works on the matching funciton, cannot be a copy. - */ - this.removeEventListener = function(event, callback) { - if (event in listeners) { - // Filter will return a new array with the callback removed - listeners[event] = listeners[event].filter(function(ev) { - return ev !== callback; - }); - } - }; - - /** - * Dispatch any events, including both "on" methods and events attached using addEventListener. - */ - this.dispatchEvent = function(event) { - if (typeof self["on" + event] === "function") { - if (this.readyState === this.DONE) - setImmediate(function() { self["on" + event]() }) - else - self["on" + event]() - } - if (event in listeners) { - for (let i = 0, len = listeners[event].length; i < len; i++) { - if (this.readyState === this.DONE) - setImmediate(function() { listeners[event][i].call(self) }) - else - listeners[event][i].call(self) - } - } - }; - - /** - * Changes readyState and calls onreadystatechange. - * - * @param int state New state - */ - var setState = function(state) { - if ((self.readyState === state) || (self.readyState === self.UNSENT && abortedFlag)) - return - - self.readyState = state; - - if (settings.async || self.readyState < self.OPENED || self.readyState === self.DONE) { - self.dispatchEvent("readystatechange"); - } - - if (self.readyState === self.DONE) { - let fire - - if (abortedFlag) - fire = "abort" - else if (errorFlag) - fire = "error" - else - fire = "load" - - self.dispatchEvent(fire) - - // @TODO figure out InspectorInstrumentation::didLoadXHR(cookie) - self.dispatchEvent("loadend"); - } - }; -}; diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/package.json b/examples/axum-echo/node_modules/xmlhttprequest-ssl/package.json deleted file mode 100644 index ba87b858..00000000 --- a/examples/axum-echo/node_modules/xmlhttprequest-ssl/package.json +++ /dev/null @@ -1,35 +0,0 @@ -{ - "name": "xmlhttprequest-ssl", - "description": "XMLHttpRequest for Node", - "version": "2.0.0", - "author": { - "name": "Michael de Wit" - }, - "keywords": [ - "xhr", - "ajax" - ], - "licenses": [ - { - "type": "MIT", - "url": "http://creativecommons.org/licenses/MIT/" - } - ], - "repository": { - "type": "git", - "url": "git://github.com/mjwwit/node-XMLHttpRequest.git" - }, - "bugs": "http://github.com/mjwwit/node-XMLHttpRequest/issues", - "engines": { - "node": ">=0.4.0" - }, - "scripts": { - "test": "cd ./tests && node test-constants.js && node test-events.js && node test-exceptions.js && node test-headers.js && node test-redirect-302.js && node test-redirect-303.js && node test-redirect-307.js && node test-request-methods.js && node test-request-protocols.js" - }, - "directories": { - "lib": "./lib", - "example": "./example" - }, - "main": "./lib/XMLHttpRequest.js", - "dependencies": {} -} diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-constants.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-constants.js deleted file mode 100644 index 4c697e21..00000000 --- a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-constants.js +++ /dev/null @@ -1,13 +0,0 @@ -var sys = require("util") - , assert = require("assert") - , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest - , xhr = new XMLHttpRequest(); - -// Test constant values -assert.equal(0, xhr.UNSENT); -assert.equal(1, xhr.OPENED); -assert.equal(2, xhr.HEADERS_RECEIVED); -assert.equal(3, xhr.LOADING); -assert.equal(4, xhr.DONE); - -console.log("done"); diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-events.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-events.js deleted file mode 100644 index 3296f8b3..00000000 --- a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-events.js +++ /dev/null @@ -1,50 +0,0 @@ -var sys = require("util") - , assert = require("assert") - , http = require("http") - , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest - , xhr; - -// Test server -var server = http.createServer(function (req, res) { - var body = (req.method != "HEAD" ? "Hello World" : ""); - - res.writeHead(200, { - "Content-Type": "text/plain", - "Content-Length": Buffer.byteLength(body) - }); - // HEAD has no body - if (req.method != "HEAD") { - res.write(body); - } - res.end(); - assert.equal(onreadystatechange, true); - assert.equal(readystatechange, true); - assert.equal(removed, true); - console.log("done"); - this.close(); -}).listen(8000); - -xhr = new XMLHttpRequest(); - -// Track event calls -var onreadystatechange = false; -var readystatechange = false; -var removed = true; -var removedEvent = function() { - removed = false; -}; - -xhr.onreadystatechange = function() { - onreadystatechange = true; -}; - -xhr.addEventListener("readystatechange", function() { - readystatechange = true; -}); - -// This isn't perfect, won't guarantee it was added in the first place -xhr.addEventListener("readystatechange", removedEvent); -xhr.removeEventListener("readystatechange", removedEvent); - -xhr.open("GET", "http://localhost:8000"); -xhr.send(); diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-exceptions.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-exceptions.js deleted file mode 100644 index 10eaea2d..00000000 --- a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-exceptions.js +++ /dev/null @@ -1,59 +0,0 @@ -var sys = require("util") - , assert = require("assert") - , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest - , xhr = new XMLHttpRequest(); - -// Test request methods that aren't allowed -try { - xhr.open("TRACK", "http://localhost:8000/"); - console.log("ERROR: TRACK should have thrown exception"); -} catch(e) {} -try { - xhr.open("TRACE", "http://localhost:8000/"); - console.log("ERROR: TRACE should have thrown exception"); -} catch(e) {} -try { - xhr.open("CONNECT", "http://localhost:8000/"); - console.log("ERROR: CONNECT should have thrown exception"); -} catch(e) {} -// Test valid request method -try { - xhr.open("GET", "http://localhost:8000/"); -} catch(e) { - console.log("ERROR: Invalid exception for GET", e); -} - -// Test forbidden headers -var forbiddenRequestHeaders = [ - "accept-charset", - "accept-encoding", - "access-control-request-headers", - "access-control-request-method", - "connection", - "content-length", - "content-transfer-encoding", - "cookie", - "cookie2", - "date", - "expect", - "host", - "keep-alive", - "origin", - "referer", - "te", - "trailer", - "transfer-encoding", - "upgrade", - "via" -]; - -for (var i in forbiddenRequestHeaders) { - if(xhr.setRequestHeader(forbiddenRequestHeaders[i], "Test") !== false) { - console.log("ERROR: " + forbiddenRequestHeaders[i] + " should have thrown exception"); - } -} - -// Try valid header -xhr.setRequestHeader("X-Foobar", "Test"); - -console.log("Done"); diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-headers.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-headers.js deleted file mode 100644 index 27ecc255..00000000 --- a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-headers.js +++ /dev/null @@ -1,76 +0,0 @@ -var sys = require("util") - , assert = require("assert") - , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest - , xhr = new XMLHttpRequest() - , http = require("http"); - -// Test server -var server = http.createServer(function (req, res) { - // Test setRequestHeader - assert.equal("Foobar", req.headers["x-test"]); - // Test non-conforming allowed header - assert.equal("node-XMLHttpRequest-test", req.headers["user-agent"]); - // Test header set with blacklist disabled - assert.equal("http://github.com", req.headers["referer"]); - - var body = "Hello World"; - res.writeHead(200, { - "Content-Type": "text/plain", - "Content-Length": Buffer.byteLength(body), - // Set cookie headers to see if they're correctly suppressed - // Actual values don't matter - "Set-Cookie": "foo=bar", - "Set-Cookie2": "bar=baz", - "Date": "Thu, 30 Aug 2012 18:17:53 GMT", - "Connection": "close" - }); - res.write("Hello World"); - res.end(); - - this.close(); -}).listen(8000); - -xhr.onreadystatechange = function() { - if (this.readyState == 4) { - // Test getAllResponseHeaders() - var headers = "content-type: text/plain\r\ncontent-length: 11\r\ndate: Thu, 30 Aug 2012 18:17:53 GMT\r\nconnection: close"; - assert.equal(headers, this.getAllResponseHeaders()); - - // Test case insensitivity - assert.equal('text/plain', this.getResponseHeader('Content-Type')); - assert.equal('text/plain', this.getResponseHeader('Content-type')); - assert.equal('text/plain', this.getResponseHeader('content-Type')); - assert.equal('text/plain', this.getResponseHeader('content-type')); - - // Test aborted getAllResponseHeaders - this.abort(); - assert.equal("", this.getAllResponseHeaders()); - assert.equal(null, this.getResponseHeader("Connection")); - - console.log("done"); - } -}; - -assert.equal(null, xhr.getResponseHeader("Content-Type")); -try { - xhr.open("GET", "http://localhost:8000/"); - // Valid header - xhr.setRequestHeader("X-Test", "Foobar"); - // Invalid header - xhr.setRequestHeader("Content-Length", 0); - // Allowed header outside of specs - xhr.setRequestHeader("user-agent", "node-XMLHttpRequest-test"); - // Test getRequestHeader - assert.equal("Foobar", xhr.getRequestHeader("X-Test")); - // Test invalid header - assert.equal("", xhr.getRequestHeader("Content-Length")); - - // Test allowing all headers - xhr.setDisableHeaderCheck(true); - xhr.setRequestHeader("Referer", "http://github.com"); - assert.equal("http://github.com", xhr.getRequestHeader("Referer")); - - xhr.send(); -} catch(e) { - console.log("ERROR: Exception raised", e); -} diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-302.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-302.js deleted file mode 100644 index 0b87192b..00000000 --- a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-302.js +++ /dev/null @@ -1,41 +0,0 @@ -var sys = require("util") - , assert = require("assert") - , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest - , xhr = new XMLHttpRequest() - , http = require("http"); - -// Test server -var server = http.createServer(function (req, res) { - if (req.url === '/redirectingResource') { - res.writeHead(302, {'Location': 'http://localhost:8000/'}); - res.end(); - return; - } - - var body = "Hello World"; - res.writeHead(200, { - "Content-Type": "text/plain", - "Content-Length": Buffer.byteLength(body), - "Date": "Thu, 30 Aug 2012 18:17:53 GMT", - "Connection": "close" - }); - res.write("Hello World"); - res.end(); - - this.close(); -}).listen(8000); - -xhr.onreadystatechange = function() { - if (this.readyState == 4) { - assert.equal(xhr.getRequestHeader('Location'), ''); - assert.equal(xhr.responseText, "Hello World"); - console.log("done"); - } -}; - -try { - xhr.open("GET", "http://localhost:8000/redirectingResource"); - xhr.send(); -} catch(e) { - console.log("ERROR: Exception raised", e); -} diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-303.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-303.js deleted file mode 100644 index aa85b2dc..00000000 --- a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-303.js +++ /dev/null @@ -1,41 +0,0 @@ -var sys = require("util") - , assert = require("assert") - , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest - , xhr = new XMLHttpRequest() - , http = require("http"); - -// Test server -var server = http.createServer(function (req, res) { - if (req.url === '/redirectingResource') { - res.writeHead(303, {'Location': 'http://localhost:8000/'}); - res.end(); - return; - } - - var body = "Hello World"; - res.writeHead(200, { - "Content-Type": "text/plain", - "Content-Length": Buffer.byteLength(body), - "Date": "Thu, 30 Aug 2012 18:17:53 GMT", - "Connection": "close" - }); - res.write("Hello World"); - res.end(); - - this.close(); -}).listen(8000); - -xhr.onreadystatechange = function() { - if (this.readyState == 4) { - assert.equal(xhr.getRequestHeader('Location'), ''); - assert.equal(xhr.responseText, "Hello World"); - console.log("done"); - } -}; - -try { - xhr.open("POST", "http://localhost:8000/redirectingResource"); - xhr.send(); -} catch(e) { - console.log("ERROR: Exception raised", e); -} diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-307.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-307.js deleted file mode 100644 index a73819fd..00000000 --- a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-redirect-307.js +++ /dev/null @@ -1,43 +0,0 @@ -var sys = require("util") - , assert = require("assert") - , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest - , xhr = new XMLHttpRequest() - , http = require("http"); - -// Test server -var server = http.createServer(function (req, res) { - if (req.url === '/redirectingResource') { - res.writeHead(307, {'Location': 'http://localhost:8000/'}); - res.end(); - return; - } - - assert.equal(req.method, 'POST'); - - var body = "Hello World"; - res.writeHead(200, { - "Content-Type": "text/plain", - "Content-Length": Buffer.byteLength(body), - "Date": "Thu, 30 Aug 2012 18:17:53 GMT", - "Connection": "close" - }); - res.write("Hello World"); - res.end(); - - this.close(); -}).listen(8000); - -xhr.onreadystatechange = function() { - if (this.readyState == 4) { - assert.equal(xhr.getRequestHeader('Location'), ''); - assert.equal(xhr.responseText, "Hello World"); - console.log("done"); - } -}; - -try { - xhr.open("POST", "http://localhost:8000/redirectingResource"); - xhr.send(); -} catch(e) { - console.log("ERROR: Exception raised", e); -} diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-request-methods.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-request-methods.js deleted file mode 100644 index f8d66d80..00000000 --- a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-request-methods.js +++ /dev/null @@ -1,62 +0,0 @@ -var sys = require("util") - , assert = require("assert") - , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest - , http = require("http") - , xhr; - -// Test server -var server = http.createServer(function (req, res) { - // Check request method and URL - assert.equal(methods[curMethod], req.method); - assert.equal("/" + methods[curMethod], req.url); - - var body = (req.method != "HEAD" ? "Hello World" : ""); - - res.writeHead(200, { - "Content-Type": "text/plain", - "Content-Length": Buffer.byteLength(body) - }); - // HEAD has no body - if (req.method != "HEAD") { - res.write(body); - } - res.end(); - - if (curMethod == methods.length - 1) { - this.close(); - console.log("done"); - } -}).listen(8000); - -// Test standard methods -var methods = ["GET", "POST", "HEAD", "PUT", "DELETE"]; -var curMethod = 0; - -function start(method) { - // Reset each time - xhr = new XMLHttpRequest(); - - xhr.onreadystatechange = function() { - if (this.readyState == 4) { - if (method == "HEAD") { - assert.equal("", this.responseText); - } else { - assert.equal("Hello World", this.responseText); - } - - curMethod++; - - if (curMethod < methods.length) { - console.log("Testing " + methods[curMethod]); - start(methods[curMethod]); - } - } - }; - - var url = "http://localhost:8000/" + method; - xhr.open(method, url); - xhr.send(); -} - -console.log("Testing " + methods[curMethod]); -start(methods[curMethod]); diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-request-protocols.js b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-request-protocols.js deleted file mode 100644 index f745cb82..00000000 --- a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/test-request-protocols.js +++ /dev/null @@ -1,32 +0,0 @@ -var sys = require("util") - , assert = require("assert") - , XMLHttpRequest = require("../lib/XMLHttpRequest").XMLHttpRequest - , xhr; - -xhr = new XMLHttpRequest(); - -xhr.onreadystatechange = function() { - if (this.readyState == 4) { - assert.equal("Hello World", this.responseText); - runSync(); - } -}; - -// Async -var url = "file://" + __dirname + "/testdata.txt"; -xhr.open("GET", url); -xhr.send(); - -// Sync -var runSync = function() { - xhr = new XMLHttpRequest(); - - xhr.onreadystatechange = function() { - if (this.readyState == 4) { - assert.equal("Hello World", this.responseText); - console.log("done"); - } - }; - xhr.open("GET", url, false); - xhr.send(); -} diff --git a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/testdata.txt b/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/testdata.txt deleted file mode 100644 index 5e1c309d..00000000 --- a/examples/axum-echo/node_modules/xmlhttprequest-ssl/tests/testdata.txt +++ /dev/null @@ -1 +0,0 @@ -Hello World \ No newline at end of file diff --git a/examples/axum-echo/package-lock.json b/examples/axum-echo/package-lock.json deleted file mode 100644 index 67bf531d..00000000 --- a/examples/axum-echo/package-lock.json +++ /dev/null @@ -1,116 +0,0 @@ -{ - "name": "axum-echo", - "version": "1.0.0", - "lockfileVersion": 3, - "requires": true, - "packages": { - "": { - "name": "axum-echo", - "version": "1.0.0", - "license": "ISC", - "dependencies": { - "socket.io-client": "^4.7.4" - } - }, - "node_modules/@socket.io/component-emitter": { - "version": "3.1.0", - "resolved": "https://registry.npmjs.org/@socket.io/component-emitter/-/component-emitter-3.1.0.tgz", - "integrity": "sha512-+9jVqKhRSpsc591z5vX+X5Yyw+he/HCB4iQ/RYxw35CEPaY1gnsNE43nf9n9AaYjAQrTiI/mOwKUKdUs9vf7Xg==" - }, - "node_modules/debug": { - "version": "4.3.4", - "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz", - "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==", - "dependencies": { - "ms": "2.1.2" - }, - "engines": { - "node": ">=6.0" - }, - "peerDependenciesMeta": { - "supports-color": { - "optional": true - } - } - }, - "node_modules/engine.io-client": { - "version": "6.5.3", - "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-6.5.3.tgz", - "integrity": "sha512-9Z0qLB0NIisTRt1DZ/8U2k12RJn8yls/nXMZLn+/N8hANT3TcYjKFKcwbw5zFQiN4NTde3TSY9zb79e1ij6j9Q==", - "dependencies": { - "@socket.io/component-emitter": "~3.1.0", - "debug": "~4.3.1", - "engine.io-parser": "~5.2.1", - "ws": "~8.11.0", - "xmlhttprequest-ssl": "~2.0.0" - } - }, - "node_modules/engine.io-parser": { - "version": "5.2.1", - "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.2.1.tgz", - "integrity": "sha512-9JktcM3u18nU9N2Lz3bWeBgxVgOKpw7yhRaoxQA3FUDZzzw+9WlA6p4G4u0RixNkg14fH7EfEc/RhpurtiROTQ==", - "engines": { - "node": ">=10.0.0" - } - }, - "node_modules/ms": { - "version": "2.1.2", - "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz", - "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==" - }, - "node_modules/socket.io-client": { - "version": "4.7.4", - "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.7.4.tgz", - "integrity": "sha512-wh+OkeF0rAVCrABWQBaEjLfb7DVPotMbu0cgWgyR0v6eA4EoVnAwcIeIbcdTE3GT/H3kbdLl7OoH2+asoDRIIg==", - "dependencies": { - "@socket.io/component-emitter": "~3.1.0", - "debug": "~4.3.2", - "engine.io-client": "~6.5.2", - "socket.io-parser": "~4.2.4" - }, - "engines": { - "node": ">=10.0.0" - } - }, - "node_modules/socket.io-parser": { - "version": "4.2.4", - "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.4.tgz", - "integrity": "sha512-/GbIKmo8ioc+NIWIhwdecY0ge+qVBSMdgxGygevmdHj24bsfgtCmcUUcQ5ZzcylGFHsN3k4HB4Cgkl96KVnuew==", - "dependencies": { - "@socket.io/component-emitter": "~3.1.0", - "debug": "~4.3.1" - }, - "engines": { - "node": ">=10.0.0" - } - }, - "node_modules/ws": { - "version": "8.11.0", - "resolved": "https://registry.npmjs.org/ws/-/ws-8.11.0.tgz", - "integrity": "sha512-HPG3wQd9sNQoT9xHyNCXoDUa+Xw/VevmY9FoHyQ+g+rrMn4j6FB4np7Z0OhdTgjx6MgQLK7jwSy1YecU1+4Asg==", - "engines": { - "node": ">=10.0.0" - }, - "peerDependencies": { - "bufferutil": "^4.0.1", - "utf-8-validate": "^5.0.2" - }, - "peerDependenciesMeta": { - "bufferutil": { - "optional": true - }, - "utf-8-validate": { - "optional": true - } - } - }, - "node_modules/xmlhttprequest-ssl": { - "version": "2.0.0", - "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-2.0.0.tgz", - "integrity": "sha512-QKxVRxiRACQcVuQEYFsI1hhkrMlrXHPegbbd1yn9UHOmRxY+si12nQYzri3vbzt8VdTTRviqcKxcyllFas5z2A==", - "engines": { - "node": ">=0.4.0" - } - } - } -} diff --git a/examples/axum-echo/package.json b/examples/axum-echo/package.json deleted file mode 100644 index 8926ac5a..00000000 --- a/examples/axum-echo/package.json +++ /dev/null @@ -1,16 +0,0 @@ -{ - "name": "axum-echo", - "version": "1.0.0", - "description": "", - "main": "index.js", - "scripts": { - "test": "echo \"Error: no test specified\" && exit 1", - "start": "node index.js" - }, - "type": "module", - "author": "", - "license": "ISC", - "dependencies": { - "socket.io-client": "^4.7.4" - } -} diff --git a/examples/axum-echo/parser.js b/examples/axum-echo/parser.js deleted file mode 100644 index 299d04cb..00000000 --- a/examples/axum-echo/parser.js +++ /dev/null @@ -1,20 +0,0 @@ -import { Encoder as SioEncoder, Decoder as SioDecoder } from "socket.io-parser"; - -class Encoder extends SioEncoder { - encode(packet) { - // const packets = super.encode(packet); - // console.log("->", packets) - // return packets; - - return ['51-["baz",{"_placeholder":true,"num":0}]', new Uint8Array([0,1,2,3,4,5,7,8,5,3]).buffer] - } -} - -class Decoder extends SioDecoder { - add(obj) { - console.log("<-", obj); - return super.add(obj); - } -} - -export default { Encoder, Decoder } \ No newline at end of file diff --git a/examples/chat/src/main.rs b/examples/chat/src/main.rs index b609990b..909194a4 100644 --- a/examples/chat/src/main.rs +++ b/examples/chat/src/main.rs @@ -1,12 +1,14 @@ use std::sync::atomic::AtomicUsize; use serde::{Deserialize, Serialize}; -use socketioxide::{extract::{Data, SocketRef, State}, SocketIo}; +use socketioxide::{ + extract::{Data, SocketRef, State}, + SocketIo, +}; use tower::ServiceBuilder; use tower_http::{cors::CorsLayer, services::ServeDir}; use tracing::info; use tracing_subscriber::FmtSubscriber; -use socketioxide::parser::DefaultParser; #[derive(Deserialize, Serialize, Debug, Clone)] #[serde(transparent)] @@ -54,10 +56,7 @@ async fn main() -> Result<(), Box> { info!("Starting server"); - let (layer, io) = SocketIo::builder() - .with_state(UserCnt::new()) - .with_parser(DefaultParser::default()) - .build_layer(); + let (layer, io) = SocketIo::builder().with_state(UserCnt::new()).build_layer(); io.ns("/", |s: SocketRef| { s.on("new message", |s: SocketRef, Data::(msg)| { From 4a4530a8aad339f8d40a99999ba3e172fde0401c Mon Sep 17 00:00:00 2001 From: Fabian Hummel Date: Wed, 17 Jan 2024 12:14:09 +0100 Subject: [PATCH 4/4] Added documentation and improved code quality --- .gitignore | 2 + .idea/inspectionProfiles/Project_Default.xml | 6 - .idea/shelf/operators_single_rs.xml | 4 - .idea/shelf/operators_single_rs/shelved.patch | 341 -------------- .idea/vcs.xml | 6 - .idea/workspace.xml | 415 ------------------ examples/axum-echo/axum_echo.rs | 6 +- socketioxide/src/client.rs | 23 +- socketioxide/src/io.rs | 3 +- socketioxide/src/packet.rs | 12 +- socketioxide/src/parser.rs | 369 ++-------------- socketioxide/src/parser/default.rs | 319 ++++++++++++++ socketioxide/src/parser/msgpack.rs | 34 ++ socketioxide/src/socket.rs | 8 +- 14 files changed, 417 insertions(+), 1131 deletions(-) delete mode 100644 .idea/inspectionProfiles/Project_Default.xml delete mode 100644 .idea/shelf/operators_single_rs.xml delete mode 100644 .idea/shelf/operators_single_rs/shelved.patch delete mode 100644 .idea/vcs.xml delete mode 100644 .idea/workspace.xml create mode 100644 socketioxide/src/parser/default.rs create mode 100644 socketioxide/src/parser/msgpack.rs diff --git a/.gitignore b/.gitignore index e08f5fce..ec830a89 100644 --- a/.gitignore +++ b/.gitignore @@ -1,3 +1,5 @@ target Cargo.lock .env +.idea +.DS_Store \ No newline at end of file diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml deleted file mode 100644 index 03d9549e..00000000 --- a/.idea/inspectionProfiles/Project_Default.xml +++ /dev/null @@ -1,6 +0,0 @@ - - - - \ No newline at end of file diff --git a/.idea/shelf/operators_single_rs.xml b/.idea/shelf/operators_single_rs.xml deleted file mode 100644 index 51ff1b72..00000000 --- a/.idea/shelf/operators_single_rs.xml +++ /dev/null @@ -1,4 +0,0 @@ - - \ No newline at end of file diff --git a/.idea/shelf/operators_single_rs/shelved.patch b/.idea/shelf/operators_single_rs/shelved.patch deleted file mode 100644 index 888e98cc..00000000 --- a/.idea/shelf/operators_single_rs/shelved.patch +++ /dev/null @@ -1,341 +0,0 @@ -Index: examples/axum-echo/package.json -IDEA additional info: -Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP -<+>UTF-8 -=================================================================== -diff --git a/examples/axum-echo/package.json b/examples/axum-echo/package.json -new file mode 100644 ---- /dev/null (date 1703505176728) -+++ b/examples/axum-echo/package.json (date 1703505176728) -@@ -0,0 +1,19 @@ -+{ -+ "name": "axum-echo", -+ "version": "1.0.0", -+ "description": "", -+ "main": "index.js", -+ "scripts": { -+ "test": "echo \"Error: no test specified\" && exit 1", -+ "start": "node index.js" -+ }, -+ "repository": { -+ "type": "git", -+ "url": "https://github.com/Totodore/socketioxide.git" -+ }, -+ "private": true, -+ "dependencies": { -+ "socket.io-client": "^4.7.2" -+ }, -+ "type": "module" -+} -Index: socketioxide/src/socket.rs -IDEA additional info: -Subsystem: com.intellij.openapi.diff.impl.patch.BaseRevisionTextPatchEP -<+>//! A [`Socket`] represents a client connected to a namespace.\n//! The socket struct itself should not be used directly, but through a [`SocketRef`](crate::extract::SocketRef).\nuse std::{\n borrow::Cow,\n collections::HashMap,\n fmt::Debug,\n sync::Mutex,\n sync::{\n atomic::{AtomicI64, Ordering},\n Arc, RwLock,\n },\n time::Duration,\n};\n\nuse engineioxide::socket::DisconnectReason as EIoDisconnectReason;\nuse serde::{de::DeserializeOwned, Serialize};\nuse serde_json::Value;\nuse tokio::sync::oneshot;\n\n#[cfg(feature = \"extensions\")]\nuse crate::extensions::Extensions;\n\nuse crate::{\n adapter::{Adapter, LocalAdapter, Room},\n errors::{AckError, Error},\n handler::{\n BoxedDisconnectHandler, BoxedMessageHandler, DisconnectHandler, MakeErasedHandler,\n MessageHandler,\n },\n ns::Namespace,\n operators::{Operators, RoomParam},\n packet::{BinaryPacket, Packet, PacketData},\n SocketIoConfig,\n};\nuse crate::{\n client::SocketData,\n errors::{AdapterError, SendError},\n};\n\npub use engineioxide::sid::Sid;\n\n/// All the possible reasons for a [`Socket`] to be disconnected from a namespace.\n///\n/// It can be used as an extractor in the [`on_disconnect`](crate::handler::disconnect) handler.\n#[derive(Debug, Copy, Clone, Eq, PartialEq)]\npub enum DisconnectReason {\n /// The client gracefully closed the connection\n TransportClose,\n\n /// The client sent multiple polling requests at the same time (it is forbidden according to the engine.io protocol)\n MultipleHttpPollingError,\n\n /// The client sent a bad request / the packet could not be parsed correctly\n PacketParsingError,\n\n /// The connection was closed (example: the user has lost connection, or the network was changed from WiFi to 4G)\n TransportError,\n\n /// The client did not send a PONG packet in the `ping timeout` delay\n HeartbeatTimeout,\n\n /// The client has manually disconnected the socket using [`socket.disconnect()`](https://socket.io/fr/docs/v4/client-api/#socketdisconnect)\n ClientNSDisconnect,\n\n /// The socket was forcefully disconnected from the namespace with [`Socket::disconnect`]\n ServerNSDisconnect,\n\n /// The server is being closed\n ClosingServer,\n}\n\nimpl std::fmt::Display for DisconnectReason {\n fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {\n use DisconnectReason::*;\n let str: &'static str = match self {\n TransportClose => \"client gracefully closed the connection\",\n MultipleHttpPollingError => \"client sent multiple polling requests at the same time\",\n PacketParsingError => \"client sent a bad request / the packet could not be parsed\",\n TransportError => \"The connection was abruptly closed\",\n HeartbeatTimeout => \"client did not send a PONG packet in time\",\n ClientNSDisconnect => \"client has manually disconnected the socket from the namespace\",\n ServerNSDisconnect => \"socket was forcefully disconnected from the namespace\",\n ClosingServer => \"server is being closed\",\n };\n f.write_str(str)\n }\n}\n\nimpl From for DisconnectReason {\n fn from(reason: EIoDisconnectReason) -> Self {\n use DisconnectReason::*;\n match reason {\n EIoDisconnectReason::TransportClose => TransportClose,\n EIoDisconnectReason::TransportError => TransportError,\n EIoDisconnectReason::HeartbeatTimeout => HeartbeatTimeout,\n EIoDisconnectReason::MultipleHttpPollingError => MultipleHttpPollingError,\n EIoDisconnectReason::PacketParsingError => PacketParsingError,\n EIoDisconnectReason::ClosingServer => ClosingServer,\n }\n }\n}\n/// An acknowledgement sent by the client.\n/// It contains the data sent by the client and the binary payloads if there are any.\n#[derive(Debug)]\npub struct AckResponse {\n /// The data returned by the client\n pub data: T,\n /// Optional binary payloads\n ///\n /// If there is no binary payload, the `Vec` will be empty\n pub binary: Vec>,\n}\n\n/// A Socket represents a client connected to a namespace.\n/// It is used to send and receive messages from the client, join and leave rooms, etc.\n/// The socket struct itself should not be used directly, but through a [`SocketRef`](crate::extract::SocketRef).\npub struct Socket {\n config: Arc,\n ns: Arc>,\n message_handlers: RwLock, BoxedMessageHandler>>,\n disconnect_handler: Mutex>>,\n ack_message: Mutex>>>,\n ack_counter: AtomicI64,\n /// The socket id\n pub id: Sid,\n\n /// A type map of protocol extensions.\n /// It can be used to share data through the lifetime of the socket.\n /// Because it uses a [`DashMap`](dashmap::DashMap) internally, it is thread safe but be careful about deadlocks!\n ///\n /// **Note**: This is note the same data than the `extensions` field on the [`http::Request::extensions()`](http::Request) struct.\n #[cfg_attr(docsrs, doc(cfg(feature = \"extensions\")))]\n #[cfg(feature = \"extensions\")]\n pub extensions: Extensions,\n esocket: Arc>,\n}\n\nimpl Socket {\n pub(crate) fn new(\n sid: Sid,\n ns: Arc>,\n esocket: Arc>,\n config: Arc,\n ) -> Self {\n Self {\n ns,\n message_handlers: RwLock::new(HashMap::new()),\n disconnect_handler: Mutex::new(None),\n ack_message: Mutex::new(HashMap::new()),\n ack_counter: AtomicI64::new(0),\n id: sid,\n #[cfg(feature = \"extensions\")]\n extensions: Extensions::new(),\n config,\n esocket,\n }\n }\n\n /// ### Registers a [`MessageHandler`] for the given event.\n ///\n /// * See the [`message`](crate::handler::message) module doc for more details on message handler.\n /// * See the [`extract`](crate::extract) module doc for more details on available extractors.\n ///\n /// #### Simple example with a sync closure:\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde::{Serialize, Deserialize};\n /// #[derive(Debug, Serialize, Deserialize)]\n /// struct MyData {\n /// name: String,\n /// age: u8,\n /// }\n ///\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// // Register a handler for the \"test\" event and extract the data as a `MyData` struct\n /// // With the Data extractor, the handler is called only if the data can be deserialized as a `MyData` struct\n /// // If you want to manage errors yourself you can use the TryData extractor\n /// socket.on(\"test\", |socket: SocketRef, Data::(data)| {\n /// println!(\"Received a test message {:?}\", data);\n /// socket.emit(\"test-test\", MyData { name: \"Test\".to_string(), age: 8 }).ok(); // Emit a message to the client\n /// });\n /// });\n ///\n /// ```\n ///\n /// #### Example with a closure and an acknowledgement + binary data:\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use serde::{Serialize, Deserialize};\n /// #[derive(Debug, Serialize, Deserialize)]\n /// struct MyData {\n /// name: String,\n /// age: u8,\n /// }\n ///\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// // Register an async handler for the \"test\" event and extract the data as a `MyData` struct\n /// // Extract the binary payload as a `Vec>` with the Bin extractor.\n /// // It should be the last extractor because it consumes the request\n /// socket.on(\"test\", |socket: SocketRef, Data::(data), ack: AckSender, Bin(bin)| async move {\n /// println!(\"Received a test message {:?}\", data);\n /// tokio::time::sleep(std::time::Duration::from_secs(1)).await;\n /// ack.bin(bin).send(data).ok(); // The data received is sent back to the client through the ack\n /// socket.emit(\"test-test\", MyData { name: \"Test\".to_string(), age: 8 }).ok(); // Emit a message to the client\n /// });\n /// });\n /// ```\n pub fn on(&self, event: impl Into>, handler: H)\n where\n H: MessageHandler,\n T: Send + Sync + 'static,\n {\n self.message_handlers\n .write()\n .unwrap()\n .insert(event.into(), MakeErasedHandler::new_message_boxed(handler));\n }\n\n /// ## Registers a disconnect handler.\n /// You can register only one disconnect handler per socket. If you register multiple handlers, only the last one will be used.\n ///\n /// * See the [`disconnect`](crate::handler::disconnect) module doc for more details on disconnect handler.\n /// * See the [`extract`](crate::extract) module doc for more details on available extractors.\n ///\n /// The callback will be called when the socket is disconnected from the server or the client or when the underlying connection crashes.\n /// A [`DisconnectReason`] is passed to the callback to indicate the reason for the disconnection.\n /// ### Example\n /// ```\n /// # use socketioxide::{SocketIo, socket::DisconnectReason, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef| async move {\n /// // Close the current socket\n /// socket.disconnect().ok();\n /// });\n /// socket.on_disconnect(|socket: SocketRef, reason: DisconnectReason| async move {\n /// println!(\"Socket {} on ns {} disconnected, reason: {:?}\", socket.id, socket.ns(), reason);\n /// });\n /// });\n pub fn on_disconnect(&self, callback: C)\n where\n C: DisconnectHandler + Send + Sync + 'static,\n T: Send + Sync + 'static,\n {\n let handler = MakeErasedHandler::new_disconnect_boxed(callback);\n self.disconnect_handler.lock().unwrap().replace(handler);\n }\n\n /// Emits a message to the client\n /// ## Errors\n /// * If the data cannot be serialized to JSON, a [`SendError::Serialize`] is returned.\n /// * If the packet buffer is full, a [`SendError::InternalChannelFull`] is returned.\n /// See [`SocketIoBuilder::max_buffer_size`](crate::SocketIoBuilder) option for more infos on internal buffer config\n /// ## Example\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef, Data::(data)| async move {\n /// // Emit a test message to the client\n /// socket.emit(\"test\", data).ok();\n /// });\n /// });\n /// ```\n pub fn emit(\n &self,\n event: impl Into>,\n data: impl Serialize,\n ) -> Result<(), SendError> {\n let ns = self.ns();\n let data = serde_json::to_value(data)?;\n if let Err(e) = self.send(Packet::event(ns, event.into(), data)) {\n #[cfg(feature = \"tracing\")]\n tracing::debug!(\"sending error during emit message: {e:?}\");\n return Err(e);\n }\n Ok(())\n }\n\n /// Emits a message to the client and wait for acknowledgement.\n ///\n /// The acknowledgement has a timeout specified in the config (5s by default)\n /// (see [`SocketIoBuilder::ack_timeout`](crate::SocketIoBuilder)) or with the `timeout()` operator.\n ///\n /// ## Errors\n /// * If the data cannot be serialized to JSON, a [`AckError::Serialize`] is returned.\n /// * If the packet could not be sent, a [`AckError::SendChannel`] is returned.\n /// * In case of timeout an [`AckError::Timeout`] is returned.\n /// ##### Example without custom timeout\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef, Data::(data)| async move {\n /// // Emit a test message and wait for an acknowledgement with the timeout specified in the config\n /// match socket.emit_with_ack::(\"test\", data).await {\n /// Ok(ack) => println!(\"Ack received {:?}\", ack),\n /// Err(err) => println!(\"Ack error {:?}\", err),\n /// }\n /// });\n /// });\n /// ```\n pub async fn emit_with_ack(\n &self,\n event: impl Into>,\n data: impl Serialize,\n ) -> Result, AckError>\n where\n V: DeserializeOwned + Send + Sync + 'static,\n {\n let ns = self.ns();\n let data = serde_json::to_value(data)?;\n let packet = Packet::event(Cow::Borrowed(ns), event.into(), data);\n\n self.send_with_ack(packet, None).await\n }\n\n // Room actions\n\n /// Joins the given rooms.\n ///\n /// If the room does not exist, it will be created.\n ///\n /// ## Errors\n /// When using a distributed adapter, it can return an [`Adapter::Error`] which is mostly related to network errors.\n /// For the default [`LocalAdapter`] it is always an [`Infallible`](std::convert::Infallible) error\n pub fn join(&self, rooms: impl RoomParam) -> Result<(), A::Error> {\n self.ns.adapter.add_all(self.id, rooms)\n }\n\n /// Leaves the given rooms.\n ///\n /// If the room does not exist, it will do nothing\n /// ## Errors\n /// When using a distributed adapter, it can return an [`Adapter::Error`] which is mostly related to network errors.\n /// For the default [`LocalAdapter`] it is always an [`Infallible`](std::convert::Infallible) error\n pub fn leave(&self, rooms: impl RoomParam) -> Result<(), A::Error> {\n self.ns.adapter.del(self.id, rooms)\n }\n\n /// Leaves all rooms where the socket is connected.\n /// ## Errors\n /// When using a distributed adapter, it can return an [`Adapter::Error`] which is mostly related to network errors.\n /// For the default [`LocalAdapter`] it is always an [`Infallible`](std::convert::Infallible) error\n pub fn leave_all(&self) -> Result<(), A::Error> {\n self.ns.adapter.del_all(self.id)\n }\n\n /// Gets all rooms where the socket is connected.\n /// ## Errors\n /// When using a distributed adapter, it can return an [`Adapter::Error`] which is mostly related to network errors.\n /// For the default [`LocalAdapter`] it is always an [`Infallible`](std::convert::Infallible) error\n pub fn rooms(&self) -> Result, A::Error> {\n self.ns.adapter.socket_rooms(self.id)\n }\n\n // Socket operators\n\n /// Selects all clients in the given rooms except the current socket.\n ///\n /// If you want to include the current socket, use the `within()` operator.\n /// ##### Example\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef, Data::(data)| async move {\n /// let other_rooms = \"room4\".to_string();\n /// // In room1, room2, room3 and room4 except the current\n /// socket\n /// .to(\"room1\")\n /// .to([\"room2\", \"room3\"])\n /// .to(vec![other_rooms])\n /// .emit(\"test\", data);\n /// });\n /// });\n pub fn to(&self, rooms: impl RoomParam) -> Operators {\n Operators::new(self.ns.clone(), Some(self.id)).to(rooms)\n }\n\n /// Selects all clients in the given rooms.\n ///\n /// It does include the current socket contrary to the `to()` operator.\n /// #### Example\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef, Data::(data)| async move {\n /// let other_rooms = \"room4\".to_string();\n /// // In room1, room2, room3 and room4 including the current socket\n /// socket\n /// .within(\"room1\")\n /// .within([\"room2\", \"room3\"])\n /// .within(vec![other_rooms])\n /// .emit(\"test\", data);\n /// });\n /// });\n pub fn within(&self, rooms: impl RoomParam) -> Operators {\n Operators::new(self.ns.clone(), Some(self.id)).within(rooms)\n }\n\n /// Filters out all clients selected with the previous operators which are in the given rooms.\n /// ##### Example\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"register1\", |socket: SocketRef, Data::(data)| async move {\n /// socket.join(\"room1\");\n /// });\n /// socket.on(\"register2\", |socket: SocketRef, Data::(data)| async move {\n /// socket.join(\"room2\");\n /// });\n /// socket.on(\"test\", |socket: SocketRef, Data::(data)| async move {\n /// // This message will be broadcast to all clients in the Namespace\n /// // except for ones in room1 and the current socket\n /// socket.broadcast().except(\"room1\").emit(\"test\", data);\n /// });\n /// });\n pub fn except(&self, rooms: impl RoomParam) -> Operators {\n Operators::new(self.ns.clone(), Some(self.id)).except(rooms)\n }\n\n /// Broadcasts to all clients only connected on this node (when using multiple nodes).\n /// When using the default in-memory [`LocalAdapter`], this operator is a no-op.\n /// ##### Example\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef, Data::(data)| async move {\n /// // This message will be broadcast to all clients in this namespace and connected on this node\n /// socket.local().emit(\"test\", data);\n /// });\n /// });\n pub fn local(&self) -> Operators {\n Operators::new(self.ns.clone(), Some(self.id)).local()\n }\n\n /// Sets a custom timeout when sending a message with an acknowledgement.\n ///\n /// ##### Example\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use futures::stream::StreamExt;\n /// # use std::time::Duration;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef, Data::(data), Bin(bin)| async move {\n /// // Emit a test message in the room1 and room3 rooms, except for the room2 room with the binary payload received, wait for 5 seconds for an acknowledgement\n /// socket.to(\"room1\")\n /// .to(\"room3\")\n /// .except(\"room2\")\n /// .bin(bin)\n /// .timeout(Duration::from_secs(5))\n /// .emit_with_ack::(\"message-back\", data).unwrap().for_each(|ack| async move {\n /// match ack {\n /// Ok(ack) => println!(\"Ack received {:?}\", ack),\n /// Err(err) => println!(\"Ack error {:?}\", err),\n /// }\n /// }).await;\n /// });\n /// });\n ///\n pub fn timeout(&self, timeout: Duration) -> Operators {\n Operators::new(self.ns.clone(), Some(self.id)).timeout(timeout)\n }\n\n /// Adds a binary payload to the message.\n /// ##### Example\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef, Data::(data), Bin(bin)| async move {\n /// // This will send the binary payload received to all clients in this namespace with the test message\n /// socket.bin(bin).emit(\"test\", data);\n /// });\n /// });\n pub fn bin(&self, binary: Vec>) -> Operators {\n Operators::new(self.ns.clone(), Some(self.id)).bin(binary)\n }\n\n /// Broadcasts to all clients without any filtering (except the current socket).\n /// ##### Example\n /// ```\n /// # use socketioxide::{SocketIo, extract::*};\n /// # use serde_json::Value;\n /// # use std::sync::Arc;\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef| {\n /// socket.on(\"test\", |socket: SocketRef, Data::(data)| async move {\n /// // This message will be broadcast to all clients in this namespace\n /// socket.broadcast().emit(\"test\", data);\n /// });\n /// });\n pub fn broadcast(&self) -> Operators {\n Operators::new(self.ns.clone(), Some(self.id)).broadcast()\n }\n\n /// Disconnects the socket from the current namespace,\n ///\n /// It will also call the disconnect handler if it is set.\n pub fn disconnect(self: Arc) -> Result<(), SendError> {\n self.send(Packet::disconnect(&self.ns.path))?;\n self.close(DisconnectReason::ServerNSDisconnect)?;\n Ok(())\n }\n\n /// Closes the engine.io connection if it is not already closed.\n /// Return a future that resolves when the underlying transport is closed.\n pub(crate) async fn close_underlying_transport(&self) {\n if !self.esocket.is_closed() {\n #[cfg(feature = \"tracing\")]\n tracing::debug!(\"closing underlying transport for socket: {}\", self.id);\n self.esocket.close(EIoDisconnectReason::ClosingServer);\n }\n self.esocket.closed().await;\n }\n\n /// Gets the current namespace path.\n pub fn ns(&self) -> &str {\n &self.ns.path\n }\n\n pub(crate) fn send(&self, mut packet: Packet<'_>) -> Result<(), SendError> {\n let bin_payloads = match packet.inner {\n PacketData::BinaryEvent(_, ref mut bin, _) | PacketData::BinaryAck(ref mut bin, _) => {\n Some(std::mem::take(&mut bin.bin))\n }\n _ => None,\n };\n\n let msg = packet.try_into()?;\n self.esocket.emit(msg)?;\n if let Some(bin_payloads) = bin_payloads {\n for bin in bin_payloads {\n self.esocket.emit_binary(bin)?;\n }\n }\n\n Ok(())\n }\n\n pub(crate) async fn send_with_ack<'a, V: DeserializeOwned>(\n &self,\n mut packet: Packet<'a>,\n timeout: Option,\n ) -> Result, AckError> {\n let (tx, rx) = oneshot::channel();\n let ack = self.ack_counter.fetch_add(1, Ordering::SeqCst) + 1;\n self.ack_message.lock().unwrap().insert(ack, tx);\n packet.inner.set_ack_id(ack);\n self.send(packet)?;\n let timeout = timeout.unwrap_or(self.config.ack_timeout);\n let v = tokio::time::timeout(timeout, rx).await??;\n Ok(AckResponse {\n data: serde_json::from_value(v.data)?,\n binary: v.binary,\n })\n }\n\n /// Called when the socket is gracefully disconnected from the server or the client\n ///\n /// It maybe also close when the underlying transport is closed or failed.\n pub(crate) fn close(self: Arc, reason: DisconnectReason) -> Result<(), AdapterError> {\n if let Some(handler) = self.disconnect_handler.lock().unwrap().take() {\n handler.call(self.clone(), reason);\n }\n\n self.ns.remove_socket(self.id)?;\n Ok(())\n }\n\n // Receives data from client:\n pub(crate) fn recv(self: Arc, packet: PacketData<'_>) -> Result<(), Error> {\n match packet {\n PacketData::Event(e, data, ack) => self.recv_event(&e, data, ack),\n PacketData::EventAck(data, ack_id) => self.recv_ack(data, ack_id),\n PacketData::BinaryEvent(e, packet, ack) => self.recv_bin_event(&e, packet, ack),\n PacketData::BinaryAck(packet, ack) => self.recv_bin_ack(packet, ack),\n PacketData::Disconnect => self\n .close(DisconnectReason::ClientNSDisconnect)\n .map_err(Error::from),\n _ => unreachable!(),\n }\n }\n\n /// Gets the request info made by the client to connect\n ///\n /// Note that the `extensions` field will be empty and will not\n /// contain extensions set in the previous http layers for requests initialized with ws transport.\n ///\n /// It is because [`http::Extensions`] is not cloneable and is needed for ws upgrade.\n pub fn req_parts(&self) -> &http::request::Parts {\n &self.esocket.req_parts\n }\n\n /// Gets the [`TransportType`](crate::TransportType) used by the client to connect with this [`Socket`]\n ///\n /// It can also be accessed as an extractor:\n /// ```\n /// # use socketioxide::{SocketIo, TransportType, extract::*};\n ///\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef, transport: TransportType| {\n /// assert_eq!(socket.transport_type(), transport);\n /// });\n pub fn transport_type(&self) -> crate::TransportType {\n self.esocket.transport_type()\n }\n\n /// Gets the socket.io [`ProtocolVersion`](crate::ProtocolVersion) used by the client to connect with this [`Socket`]\n ///\n /// It can also be accessed as an extractor:\n /// ## Example\n /// ```\n /// # use socketioxide::{SocketIo, ProtocolVersion, extract::*};\n ///\n /// let (_, io) = SocketIo::new_svc();\n /// io.ns(\"/\", |socket: SocketRef, v: ProtocolVersion| {\n /// assert_eq!(socket.protocol(), v);\n /// });\n pub fn protocol(&self) -> crate::ProtocolVersion {\n self.esocket.protocol.into()\n }\n\n fn recv_event(self: Arc, e: &str, data: Value, ack: Option) -> Result<(), Error> {\n if let Some(handler) = self.message_handlers.read().unwrap().get(e) {\n handler.call(self.clone(), data, vec![], ack);\n }\n Ok(())\n }\n\n fn recv_bin_event(\n self: Arc,\n e: &str,\n packet: BinaryPacket,\n ack: Option,\n ) -> Result<(), Error> {\n if let Some(handler) = self.message_handlers.read().unwrap().get(e) {\n handler.call(self.clone(), packet.data, packet.bin, ack);\n }\n Ok(())\n }\n\n fn recv_ack(self: Arc, data: Value, ack: i64) -> Result<(), Error> {\n if let Some(tx) = self.ack_message.lock().unwrap().remove(&ack) {\n let res = AckResponse {\n data,\n binary: vec![],\n };\n tx.send(res).ok();\n }\n Ok(())\n }\n\n fn recv_bin_ack(self: Arc, packet: BinaryPacket, ack: i64) -> Result<(), Error> {\n if let Some(tx) = self.ack_message.lock().unwrap().remove(&ack) {\n let res = AckResponse {\n data: packet.data,\n binary: packet.bin,\n };\n tx.send(res).ok();\n }\n Ok(())\n }\n}\n\nimpl Debug for Socket {\n fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {\n f.debug_struct(\"Socket\")\n .field(\"ns\", &self.ns())\n .field(\"ack_message\", &self.ack_message)\n .field(\"ack_counter\", &self.ack_counter)\n .field(\"sid\", &self.id)\n .finish()\n }\n}\n\n#[cfg(test)]\nimpl Socket {\n pub fn new_dummy(sid: Sid, ns: Arc>) -> Socket {\n let close_fn = Box::new(move |_, _| ());\n Socket::new(\n sid,\n ns,\n engineioxide::Socket::new_dummy(sid, close_fn).into(),\n Arc::new(SocketIoConfig::default()),\n )\n }\n}\n -Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP -<+>UTF-8 -=================================================================== -diff --git a/socketioxide/src/socket.rs b/socketioxide/src/socket.rs ---- a/socketioxide/src/socket.rs (revision b9e22e03ae80f41e2720111afaae748e8d38bbae) -+++ b/socketioxide/src/socket.rs (date 1703514694292) -@@ -38,6 +38,7 @@ - }; - - pub use engineioxide::sid::Sid; -+use crate::operators_single::OperatorsSingle; - - /// All the possible reasons for a [`Socket`] to be disconnected from a namespace. - /// -@@ -274,14 +275,7 @@ - event: impl Into>, - data: impl Serialize, - ) -> Result<(), SendError> { -- let ns = self.ns(); -- let data = serde_json::to_value(data)?; -- if let Err(e) = self.send(Packet::event(ns, event.into(), data)) { -- #[cfg(feature = "tracing")] -- tracing::debug!("sending error during emit message: {e:?}"); -- return Err(e); -- } -- Ok(()) -+ OperatorsSingle::new(self).emit(event, data) - } - - /// Emits a message to the client and wait for acknowledgement. -@@ -317,11 +311,7 @@ - where - V: DeserializeOwned + Send + Sync + 'static, - { -- let ns = self.ns(); -- let data = serde_json::to_value(data)?; -- let packet = Packet::event(Cow::Borrowed(ns), event.into(), data); -- -- self.send_with_ack(packet, None).await -+ OperatorsSingle::new(self).emit_with_ack(event, data).await - } - - // Room actions -Index: socketioxide/src/operators_single.rs -IDEA additional info: -Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP -<+>UTF-8 -=================================================================== -diff --git a/socketioxide/src/operators_single.rs b/socketioxide/src/operators_single.rs -new file mode 100644 ---- /dev/null (date 1703524230684) -+++ b/socketioxide/src/operators_single.rs (date 1703524230684) -@@ -0,0 +1,142 @@ -+//! [`OperatorsSingle`] are used to select sockets to send a packet to, or to configure the packet that will be emitted. -+//! It uses the builder pattern to chain operators. -+use std::borrow::Cow; -+use std::{time::Duration}; -+ -+use serde::de::DeserializeOwned; -+use serde::Serialize; -+use engineioxide::{Packet, Socket}; -+ -+use crate::adapter::LocalAdapter; -+use crate::socket::AckResponse; -+use crate::{adapter::{Adapter}, errors::AckError, SendError}; -+ -+/// Operators are used to select sockets to send a packet to, or to configure the packet that will be emitted. -+#[derive(Debug)] -+pub struct OperatorsSingle { -+ socket: Socket, -+ timeout: Option, -+ binary: Vec>, -+} -+ -+impl OperatorsSingle { -+ pub(crate) fn new(socket: Socket) -> Self { -+ Self { -+ socket, -+ timeout: None, -+ binary: vec![], -+ } -+ } -+ -+ pub fn timeout(mut self, timeout: Duration) -> Self { -+ self.timeout = Some(timeout); -+ self -+ } -+ -+ /// Adds a binary payload to the message. -+ /// #### Example -+ /// ``` -+ /// # use socketioxide::{SocketIo, extract::*}; -+ /// # use serde_json::Value; -+ /// let (_, io) = SocketIo::new_svc(); -+ /// io.ns("/", |socket: SocketRef| { -+ /// socket.on("test", |socket: SocketRef, Data::(data), Bin(bin)| async move { -+ /// // This will send the binary payload to the socket with the test message -+ /// socket.bin(bin).emit("test", data); -+ /// }); -+ /// }); -+ pub fn bin(mut self, binary: Vec>) -> Self { -+ self.binary = binary; -+ self -+ } -+ -+ /// Emits a message to the client -+ /// ## Errors -+ /// * If the data cannot be serialized to JSON, a [`SendError::Serialize`] is returned. -+ /// * If the packet buffer is full, a [`SendError::InternalChannelFull`] is returned. -+ /// See [`SocketIoBuilder::max_buffer_size`](crate::SocketIoBuilder) option for more infos on internal buffer config -+ /// ## Example -+ /// ``` -+ /// # use socketioxide::{SocketIo, extract::*}; -+ /// # use serde_json::Value; -+ /// # use std::sync::Arc; -+ /// let (_, io) = SocketIo::new_svc(); -+ /// io.ns("/", |socket: SocketRef| { -+ /// socket.on("test", |socket: SocketRef, Data::(data)| async move { -+ /// // Emit a test message to the client -+ /// socket.emit("test", data).ok(); -+ /// }); -+ /// }); -+ /// ``` -+ pub fn emit( -+ mut self, -+ event: impl Into>, -+ data: impl Serialize, -+ ) -> Result<(), SendError> { -+ let ns = self.ns(); -+ let data = serde_json::to_value(data)?; -+ if let Err(e) = self.socket.send(Packet::event(ns, event.into(), data)) { -+ #[cfg(feature = "tracing")] -+ tracing::debug!("sending error during emit message: {e:?}"); -+ return Err(SendError::from(e)); -+ } -+ Ok(()) -+ } -+ -+ /// Emits a message to the client and wait for acknowledgement. -+ /// -+ /// The acknowledgement has a timeout specified in the config (5s by default) -+ /// (see [`SocketIoBuilder::ack_timeout`](crate::SocketIoBuilder)) or with the `timeout()` operator. -+ /// -+ /// ## Errors -+ /// * If the data cannot be serialized to JSON, a [`AckError::Serialize`] is returned. -+ /// * If the packet could not be sent, a [`AckError::SendChannel`] is returned. -+ /// * In case of timeout an [`AckError::Timeout`] is returned. -+ /// ##### Example without custom timeout -+ /// ``` -+ /// # use socketioxide::{SocketIo, extract::*}; -+ /// # use serde_json::Value; -+ /// # use std::sync::Arc; -+ /// let (_, io) = SocketIo::new_svc(); -+ /// io.ns("/", |socket: SocketRef| { -+ /// socket.on("test", |socket: SocketRef, Data::(data)| async move { -+ /// // Emit a test message and wait for an acknowledgement with the timeout specified in the config -+ /// match socket.emit_with_ack::("test", data).await { -+ /// Ok(ack) => println!("Ack received {:?}", ack), -+ /// Err(err) => println!("Ack error {:?}", err), -+ /// } -+ /// }); -+ /// }); -+ /// ``` -+ pub async fn emit_with_ack( -+ &self, -+ event: impl Into>, -+ data: impl Serialize, -+ ) -> Result, AckError> -+ where -+ V: DeserializeOwned + Send + Sync + 'static, -+ { -+ let ns = self.socket.ns(); -+ let data = serde_json::to_value(data)?; -+ let packet = Packet::event(Cow::Borrowed(ns), event.into(), data); -+ -+ self.send_with_ack(packet, None).await -+ } -+ -+ /// Creates a packet with the given event and data. -+ fn get_packet( -+ &mut self, -+ event: impl Into>, -+ data: impl serde::Serialize, -+ ) -> Result, serde_json::Error> { -+ let ns = self.socket.ns(); -+ let data = serde_json::to_value(data)?; -+ let packet = if self.binary.is_empty() { -+ Packet::event(ns, event.into(), data) -+ } else { -+ let binary = std::mem::take(&mut self.binary); -+ Packet::bin_event(ns, event.into(), data, binary) -+ }; -+ Ok(packet) -+ } -+} -\ No newline at end of file -Index: engineioxide/src/socket.rs -IDEA additional info: -Subsystem: com.intellij.openapi.diff.impl.patch.BaseRevisionTextPatchEP -<+>//! ## A [`Socket`] represents a client connection to the server\n//!\n//! It can be used to :\n//! * Emit binary or string data\n//! * Get a reference to the request made to connect to the socket.io server\n//! * Close the connection\n//!\n//! #### Example :\n//! ```rust\n//! # use engineioxide::service::EngineIoService;\n//! # use engineioxide::handler::EngineIoHandler;\n//! # use engineioxide::{Socket, DisconnectReason};\n//! # use std::sync::{Mutex, Arc};\n//! # use std::sync::atomic::{AtomicUsize, Ordering};\n//! // Global state\n//! #[derive(Debug, Default)]\n//! struct MyHandler {\n//! user_cnt: AtomicUsize,\n//! }\n//!\n//! // Socket state\n//! #[derive(Debug, Default)]\n//! struct SocketState {\n//! id: Mutex,\n//! }\n//!\n//! impl EngineIoHandler for MyHandler {\n//! type Data = SocketState;\n//!\n//! fn on_connect(&self, socket: Arc>) {\n//! // Get the request made to initialize the connection\n//! // and check that the authorization header is correct\n//! let connected = socket.req_parts.headers.get(\"Authorization\")\n//! .map(|a| a == \"mysuperpassword!\").unwrap_or_default();\n//! // Close the socket if the authentication is invalid\n//! if !connected {\n//! socket.close(DisconnectReason::TransportError);\n//! return;\n//! }\n//!\n//! let cnt = self.user_cnt.fetch_add(1, Ordering::Relaxed) + 1;\n//! // Emit string data to the client\n//! socket.emit(cnt.to_string()).ok();\n//! }\n//! fn on_disconnect(&self, socket: Arc>, reason: DisconnectReason) {\n//! let cnt = self.user_cnt.fetch_sub(1, Ordering::Relaxed) - 1;\n//! }\n//! fn on_message(&self, msg: String, socket: Arc>) {\n//! *socket.data.id.lock().unwrap() = msg; // bind a provided user id to a socket\n//! }\n//! fn on_binary(&self, data: Vec, socket: Arc>) { }\n//! }\n//!\n//! let svc = EngineIoService::new(MyHandler::default());\n//! ```\nuse std::{\n sync::{\n atomic::{AtomicU8, Ordering},\n Arc,\n },\n time::Duration,\n};\n\nuse http::request::Parts;\nuse tokio::{\n sync::{\n mpsc::{self},\n mpsc::{error::TrySendError, Receiver},\n Mutex,\n },\n task::JoinHandle,\n};\nuse tokio_tungstenite::tungstenite;\n\nuse crate::{\n config::EngineIoConfig, errors::Error, packet::Packet, peekable::PeekableReceiver,\n service::ProtocolVersion,\n};\nuse crate::{service::TransportType, sid::Sid};\n\n/// A [`DisconnectReason`] represents the reason why a [`Socket`] was closed.\n#[derive(Debug, Clone, PartialEq, Eq)]\npub enum DisconnectReason {\n /// The client gracefully closed the connection\n TransportClose,\n /// The client sent multiple polling requests at the same time (it is forbidden according to the engine.io protocol)\n MultipleHttpPollingError,\n /// The client sent a bad request / the packet could not be parsed correctly\n PacketParsingError,\n /// An error occured in the transport layer\n /// (e.g. the client closed the connection without sending a close packet)\n TransportError,\n /// The client did not respond to the heartbeat\n HeartbeatTimeout,\n /// The server is being closed\n ClosingServer,\n}\n\n/// Convert an [`Error`] to a [`DisconnectReason`] if possible\n/// This is used to notify the [`Handler`](crate::handler::EngineIoHandler) of the reason why a [`Socket`] was closed\n/// If the error cannot be converted to a [`DisconnectReason`] it means that the error was not fatal and the [`Socket`] can be kept alive\nimpl From<&Error> for Option {\n fn from(err: &Error) -> Self {\n use Error::*;\n match err {\n WsTransport(tungstenite::Error::ConnectionClosed) => None,\n WsTransport(_) | Io(_) => Some(DisconnectReason::TransportError),\n BadPacket(_) | Serialize(_) | Base64(_) | StrUtf8(_) | PayloadTooLarge\n | InvalidPacketLength | InvalidPacketType(_) => {\n Some(DisconnectReason::PacketParsingError)\n }\n HeartbeatTimeout => Some(DisconnectReason::HeartbeatTimeout),\n _ => None,\n }\n }\n}\n\n/// A [`Socket`] represents a client connection to the server.\n/// It is agnostic to the [`TransportType`].\n///\n/// It handles :\n/// * the packet communication between with the `Engine`\n/// and the user defined [`Handler`](crate::handler::EngineIoHandler).\n/// * the user defined [`Data`](crate::handler::EngineIoHandler::Data) bound to the socket.\n/// * the heartbeat job that verify that the connection is still up by sending packets periodically.\npub struct Socket\nwhere\n D: Default + Send + Sync + 'static,\n{\n /// The socket id\n pub id: Sid,\n\n /// The protocol version used by the socket\n pub protocol: ProtocolVersion,\n\n /// The transport type represented as a bitfield\n /// It is represented as a bitfield to allow the use of an [`AtomicU8`] so it can be shared between threads\n /// without any mutex\n transport: AtomicU8,\n\n /// Channel to receive [`Packet`] from the connection\n ///\n /// It is used and managed by the [`EngineIo`](crate::engine) struct depending on the transport type\n ///\n /// It is locked if [`EngineIo`](crate::engine) is currently reading from it :\n /// * In case of polling transport it will be locked and released for each request\n /// * In case of websocket transport it will be always locked until the connection is closed\n ///\n /// It will be closed when a [`Close`](Packet::Close) packet is received:\n /// * From the [encoder](crate::service::encoder) if the transport is polling\n /// * From the fn [`on_ws_req_init`](crate::engine::EngineIo) if the transport is websocket\n /// * Automatically via the [`close_session fn`](crate::engine::EngineIo::close_session) as a fallback.\n /// Because with polling transport, if the client is not currently polling then the encoder will never be able to close the channel\n pub(crate) internal_rx: Mutex>,\n\n /// Channel to send [Packet] to the internal connection\n internal_tx: mpsc::Sender,\n\n /// Internal channel to receive Pong [`Packets`](Packet) (v4 protocol) or Ping (v3 protocol) in the heartbeat job\n /// which is running in a separate task\n heartbeat_rx: Mutex>,\n /// Channel to send Ping [`Packets`](Packet) (v4 protocol) or Ping (v3 protocol) from the connexion to the heartbeat job\n /// which is running in a separate task\n pub(crate) heartbeat_tx: mpsc::Sender<()>,\n /// Handle to the heartbeat job so that it can be aborted when the socket is closed\n heartbeat_handle: Mutex>>,\n\n /// Function to call when the socket is closed\n close_fn: Box,\n /// User data bound to the socket\n pub data: D,\n\n /// Http Request data used to create a socket\n pub req_parts: Parts,\n\n /// If the client supports binary packets (via polling XHR2)\n #[cfg(feature = \"v3\")]\n pub(crate) supports_binary: bool,\n}\n\nimpl Socket\nwhere\n D: Default + Send + Sync + 'static,\n{\n pub(crate) fn new(\n protocol: ProtocolVersion,\n transport: TransportType,\n config: &EngineIoConfig,\n req_parts: Parts,\n close_fn: Box,\n #[cfg(feature = \"v3\")] supports_binary: bool,\n ) -> Self {\n let (internal_tx, internal_rx) = mpsc::channel(config.max_buffer_size);\n let (heartbeat_tx, heartbeat_rx) = mpsc::channel(1);\n\n Self {\n id: Sid::new(),\n protocol,\n transport: AtomicU8::new(transport as u8),\n\n internal_rx: Mutex::new(PeekableReceiver::new(internal_rx)),\n internal_tx,\n\n heartbeat_rx: Mutex::new(heartbeat_rx),\n heartbeat_tx,\n heartbeat_handle: Mutex::new(None),\n close_fn,\n\n data: D::default(),\n req_parts,\n\n #[cfg(feature = \"v3\")]\n supports_binary,\n }\n }\n\n /// Abort the heartbeat job if it is running\n pub(crate) fn abort_heartbeat(&self) {\n if let Ok(Some(handle)) = self.heartbeat_handle.try_lock().map(|mut h| h.take()) {\n handle.abort();\n }\n }\n\n /// Sends a packet to the connection.\n pub(crate) fn send(&self, packet: Packet) -> Result<(), TrySendError> {\n #[cfg(feature = \"tracing\")]\n tracing::debug!(\"[sid={}] sending packet: {:?}\", self.id, packet);\n self.internal_tx.try_send(packet)?;\n Ok(())\n }\n\n /// Spawn the heartbeat job\n ///\n /// Keep a handle to the job so that it can be aborted when the socket is closed\n pub(crate) fn spawn_heartbeat(self: Arc, interval: Duration, timeout: Duration) {\n let socket = self.clone();\n\n let handle = tokio::spawn(async move {\n if let Err(_e) = socket.heartbeat_job(interval, timeout).await {\n socket.close(DisconnectReason::HeartbeatTimeout);\n #[cfg(feature = \"tracing\")]\n tracing::debug!(\"[sid={}] heartbeat error: {:?}\", socket.id, _e);\n }\n });\n self.heartbeat_handle\n .try_lock()\n .expect(\"heartbeat handle mutex should not be locked twice\")\n .replace(handle);\n }\n\n /// Heartbeat is sent every `interval` milliseconds by the client and the server is expected to respond within `timeout` milliseconds.\n ///\n /// If the client or server does not respond within the timeout, the connection is closed.\n #[cfg(feature = \"v3\")]\n async fn heartbeat_job(&self, interval: Duration, timeout: Duration) -> Result<(), Error> {\n match self.protocol {\n ProtocolVersion::V3 => self.heartbeat_job_v3(interval, timeout).await,\n ProtocolVersion::V4 => self.heartbeat_job_v4(interval, timeout).await,\n }\n }\n\n /// Heartbeat is sent every `interval` milliseconds and the client is expected to respond within `timeout` milliseconds.\n ///\n /// If the client does not respond within the timeout, the connection is closed.\n #[cfg(not(feature = \"v3\"))]\n async fn heartbeat_job(&self, interval: Duration, timeout: Duration) -> Result<(), Error> {\n self.heartbeat_job_v4(interval, timeout).await\n }\n\n /// Heartbeat is sent every `interval` milliseconds and the client is expected to respond within `timeout` milliseconds.\n ///\n /// If the client does not respond within the timeout, the connection is closed.\n async fn heartbeat_job_v4(&self, interval: Duration, timeout: Duration) -> Result<(), Error> {\n let mut heartbeat_rx = self\n .heartbeat_rx\n .try_lock()\n .expect(\"Pong rx should be locked only once\");\n\n let instant = tokio::time::Instant::now();\n let mut interval_tick = tokio::time::interval(interval);\n interval_tick.tick().await;\n // Sleep for an interval minus the time it took to get here\n tokio::time::sleep(interval.saturating_sub(Duration::from_millis(\n 15 + instant.elapsed().as_millis() as u64,\n )))\n .await;\n\n #[cfg(feature = \"tracing\")]\n tracing::debug!(\"[sid={}] heartbeat sender routine started\", self.id);\n\n loop {\n // Some clients send the pong packet in first. If that happens, we should consume it.\n heartbeat_rx.try_recv().ok();\n\n self.internal_tx\n .try_send(Packet::Ping)\n .map_err(|_| Error::HeartbeatTimeout)?;\n tokio::time::timeout(timeout, heartbeat_rx.recv())\n .await\n .map_err(|_| Error::HeartbeatTimeout)?\n .ok_or(Error::HeartbeatTimeout)?;\n interval_tick.tick().await;\n }\n }\n\n #[cfg(feature = \"v3\")]\n async fn heartbeat_job_v3(&self, interval: Duration, timeout: Duration) -> Result<(), Error> {\n let mut heartbeat_rx = self\n .heartbeat_rx\n .try_lock()\n .expect(\"Pong rx should be locked only once\");\n\n #[cfg(feature = \"tracing\")]\n tracing::debug!(\"[sid={}] heartbeat receiver routine started\", self.id);\n\n loop {\n tokio::time::timeout(interval + timeout, heartbeat_rx.recv())\n .await\n .map_err(|_| Error::HeartbeatTimeout)?\n .ok_or(Error::HeartbeatTimeout)?;\n\n #[cfg(feature = \"tracing\")]\n tracing::debug!(\"[sid={}] ping received, sending pong\", self.id);\n self.internal_tx\n .try_send(Packet::Pong)\n .map_err(|_| Error::HeartbeatTimeout)?;\n }\n }\n\n /// Returns true if the [`Socket`] has a websocket [`TransportType`]\n pub(crate) fn is_ws(&self) -> bool {\n self.transport.load(Ordering::Relaxed) == TransportType::Websocket as u8\n }\n /// returns true if the [`Socket`] has an HTTP [`TransportType`]\n pub(crate) fn is_http(&self) -> bool {\n self.transport.load(Ordering::Relaxed) == TransportType::Polling as u8\n }\n\n /// Sets the [`TransportType`] to WebSocket\n /// Used when the client upgrade the connection from HTTP to WebSocket\n pub(crate) fn upgrade_to_websocket(&self) {\n self.transport\n .store(TransportType::Websocket as u8, Ordering::Relaxed);\n }\n\n /// Returns the current [`TransportType`] of the [`Socket`]\n pub fn transport_type(&self) -> TransportType {\n TransportType::from(self.transport.load(Ordering::Relaxed))\n }\n\n /// Emits a message to the client.\n ///\n /// If the transport is in websocket mode, the message is directly sent as a text frame.\n ///\n /// If the transport is in polling mode, the message is buffered and sent as a text frame to the next polling request.\n ///\n /// âš \uFE0F If the buffer is full or the socket is disconnected, an error will be returned with the original data\n pub fn emit(&self, msg: String) -> Result<(), TrySendError> {\n self.send(Packet::Message(msg)).map_err(|e| match e {\n TrySendError::Full(p) => TrySendError::Full(p.into_message()),\n TrySendError::Closed(p) => TrySendError::Closed(p.into_message()),\n })\n }\n\n /// Immediately closes the socket and the underlying connection.\n /// The socket will be removed from the `Engine` and the [`Handler`](crate::handler::EngineIoHandler) will be notified.\n pub fn close(&self, reason: DisconnectReason) {\n (self.close_fn)(self.id, reason);\n self.send(Packet::Close).ok();\n }\n\n /// Returns true if the socket is closed\n /// It means that no more packets can be sent to the client\n pub fn is_closed(&self) -> bool {\n self.internal_tx.is_closed()\n }\n\n /// Wait for the socket to be fully closed\n pub async fn closed(&self) {\n self.internal_tx.closed().await\n }\n\n /// Emits a binary message to the client.\n ///\n /// If the transport is in websocket mode, the message is directly sent as a binary frame.\n ///\n /// If the transport is in polling mode, the message is buffered and sent as a text frame **encoded in base64** to the next polling request.\n ///\n /// âš \uFE0F If the buffer is full or the socket is disconnected, an error will be returned with the original data\n pub fn emit_binary(&self, data: Vec) -> Result<(), TrySendError>> {\n if self.protocol == ProtocolVersion::V3 {\n self.send(Packet::BinaryV3(data))\n } else {\n self.send(Packet::Binary(data))\n }\n .map_err(|e| match e {\n TrySendError::Full(p) => TrySendError::Full(p.into_binary()),\n TrySendError::Closed(p) => TrySendError::Closed(p.into_binary()),\n })\n }\n}\n\nimpl std::fmt::Debug for Socket {\n fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {\n f.debug_struct(\"Socket\")\n .field(\"sid\", &self.id)\n .field(\"protocol\", &self.protocol)\n .field(\"conn\", &self.transport)\n .field(\"internal_rx\", &self.internal_rx)\n .field(\"internal_tx\", &self.internal_tx)\n .field(\"heartbeat_rx\", &self.heartbeat_rx)\n .field(\"heartbeat_tx\", &self.heartbeat_tx)\n .field(\"heartbeat_handle\", &self.heartbeat_handle)\n .field(\"req_data\", &self.req_parts)\n .finish()\n }\n}\n\n#[cfg(feature = \"test-utils\")]\nimpl Drop for Socket\nwhere\n D: Default + Send + Sync + 'static,\n{\n fn drop(&mut self) {\n #[cfg(feature = \"tracing\")]\n tracing::debug!(\"[sid={}] dropping socket\", self.id);\n }\n}\n\n#[cfg(feature = \"test-utils\")]\nimpl Socket\nwhere\n D: Default + Send + Sync + 'static,\n{\n /// Create a dummy socket for testing purpose\n pub fn new_dummy(\n sid: Sid,\n close_fn: Box,\n ) -> Socket {\n let (internal_tx, internal_rx) = mpsc::channel(200);\n let (heartbeat_tx, heartbeat_rx) = mpsc::channel(1);\n\n Self {\n id: sid,\n protocol: ProtocolVersion::V4,\n transport: AtomicU8::new(TransportType::Websocket as u8),\n\n internal_rx: Mutex::new(PeekableReceiver::new(internal_rx)),\n internal_tx,\n\n heartbeat_rx: Mutex::new(heartbeat_rx),\n heartbeat_tx,\n heartbeat_handle: Mutex::new(None),\n close_fn,\n\n data: D::default(),\n req_parts: http::Request::<()>::default().into_parts().0,\n\n #[cfg(feature = \"v3\")]\n supports_binary: true,\n }\n }\n}\n -Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP -<+>UTF-8 -=================================================================== -diff --git a/engineioxide/src/socket.rs b/engineioxide/src/socket.rs ---- a/engineioxide/src/socket.rs (revision b9e22e03ae80f41e2720111afaae748e8d38bbae) -+++ b/engineioxide/src/socket.rs (date 1703514694297) -@@ -222,7 +222,7 @@ - } - - /// Sends a packet to the connection. -- pub(crate) fn send(&self, packet: Packet) -> Result<(), TrySendError> { -+ pub fn send(&self, packet: Packet) -> Result<(), TrySendError> { - #[cfg(feature = "tracing")] - tracing::debug!("[sid={}] sending packet: {:?}", self.id, packet); - self.internal_tx.try_send(packet)?; -Index: examples/axum-echo/index.js -IDEA additional info: -Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP -<+>UTF-8 -=================================================================== -diff --git a/examples/axum-echo/index.js b/examples/axum-echo/index.js -new file mode 100644 ---- /dev/null (date 1703506891537) -+++ b/examples/axum-echo/index.js (date 1703506891537) -@@ -0,0 +1,26 @@ -+import {io} from "socket.io-client"; -+ -+const socket = io("http://localhost:3000"); -+const enc = new TextEncoder(); -+var counter = 0; -+ -+socket.on("connect", () => { -+ socket.emit("message-with-ack", "message-with-binary", enc.encode("message-with-nice"), (...data) => { -+ console.log(`Got: ${data}`); -+ }); -+ -+ socket.emit("message-with-ack", { -+ some_cool_message: "some cool message but fr this time", -+ binary_data: enc.encode("some ultra fancy binary data") -+ }, (...data) => { -+ console.log(`Got: ${data}`); -+ }); -+ -+ socket.emit("message-with-ack", 1, "2", { 3: ["4"], 5: [6] }, enc.encode("message-with-nice"), enc.encode("ok"), (...data) => { -+ console.log(`Got: ${JSON.stringify(data)}`); -+ }); -+ -+ socket.emit("message-with-ack", "nice", enc.encode("nice-2"), "nice-3", enc.encode("nice-4"), (...data) => { -+ console.log(`Got: ${JSON.stringify(data)}`); -+ }); -+}); -\ No newline at end of file -Index: examples/basic-crud-application/src/handlers/todo.rs -IDEA additional info: -Subsystem: com.intellij.openapi.diff.impl.patch.BaseRevisionTextPatchEP -<+>use std::{collections::HashMap, sync::RwLock};\n\nuse serde::{Deserialize, Serialize};\nuse socketioxide::extract::{AckSender, Data, SocketRef, State};\nuse tracing::info;\nuse uuid::Uuid;\n\nuse crate::handlers::events::Response;\n\nuse super::events::Error;\n\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct Todo {\n id: Uuid,\n #[serde(flatten)]\n inner: PartialTodo,\n}\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct PartialTodo {\n completed: bool,\n title: String,\n}\n\n#[derive(Default)]\npub struct Todos(RwLock>);\nimpl Todos {\n fn insert(&self, id: Uuid, todo: Todo) {\n self.0.write().unwrap().insert(id, todo);\n }\n fn get(&self, id: &Uuid) -> Option {\n self.0.read().unwrap().get(id).cloned()\n }\n fn get_mut(&self, id: &Uuid) -> Option {\n self.0.write().unwrap().get_mut(id).cloned()\n }\n fn remove(&self, id: &Uuid) -> Option {\n self.0.write().unwrap().remove(id)\n }\n fn get_all(&self) -> Vec {\n self.0.read().unwrap().values().cloned().collect()\n }\n}\n\npub fn create(s: SocketRef, Data(data): Data, ack: AckSender, todos: State) {\n let id = Uuid::new_v4();\n let todo = Todo { id, inner: data };\n\n todos.insert(id, todo.clone());\n\n let res: Response<_> = id.into();\n ack.send(res).ok();\n\n s.broadcast().emit(\"todo:created\", todo).ok();\n}\n\npub async fn read(Data(id): Data, ack: AckSender, todos: State) {\n let todo = todos.get(&id).ok_or(Error::NotFound);\n ack.send(todo).ok();\n}\n\npub async fn update(s: SocketRef, Data(data): Data, ack: AckSender, todos: State) {\n let res = todos\n .get_mut(&data.id)\n .ok_or(Error::NotFound)\n .map(|mut todo| {\n todo.inner = data.inner.clone();\n s.broadcast().emit(\"todo:updated\", data).ok();\n });\n\n ack.send(res).ok();\n}\n\npub async fn delete(s: SocketRef, Data(id): Data, ack: AckSender, todos: State) {\n let res = todos.remove(&id).ok_or(Error::NotFound).map(|_| {\n s.broadcast().emit(\"todo:deleted\", id).ok();\n });\n\n ack.send(res).ok();\n}\n\npub async fn list(ack: AckSender, todos: State) {\n let res: Response<_> = todos.get_all().into();\n info!(\"Sending todos: {:?}\", res);\n ack.send(res).ok();\n}\n -Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP -<+>UTF-8 -=================================================================== -diff --git a/examples/basic-crud-application/src/handlers/todo.rs b/examples/basic-crud-application/src/handlers/todo.rs ---- a/examples/basic-crud-application/src/handlers/todo.rs (revision b9e22e03ae80f41e2720111afaae748e8d38bbae) -+++ b/examples/basic-crud-application/src/handlers/todo.rs (date 1703260261637) -@@ -45,6 +45,8 @@ - let id = Uuid::new_v4(); - let todo = Todo { id, inner: data }; - -+ println!("Creating todo: {:?}", todo); -+ - todos.insert(id, todo.clone()); - - let res: Response<_> = id.into(); -Index: socketioxide/src/lib.rs -IDEA additional info: -Subsystem: com.intellij.openapi.diff.impl.patch.BaseRevisionTextPatchEP -<+>#![cfg_attr(docsrs, feature(doc_cfg))]\n#![warn(\n clippy::all,\n clippy::todo,\n clippy::empty_enum,\n clippy::mem_forget,\n clippy::unused_self,\n clippy::filter_map_next,\n clippy::needless_continue,\n clippy::needless_borrow,\n clippy::match_wildcard_for_single_variants,\n clippy::if_let_mutex,\n clippy::mismatched_target_os,\n clippy::await_holding_lock,\n clippy::match_on_vec_items,\n clippy::imprecise_flops,\n clippy::suboptimal_flops,\n clippy::lossy_float_literal,\n clippy::rest_pat_in_fully_bound_structs,\n clippy::fn_params_excessive_bools,\n clippy::exit,\n clippy::inefficient_to_string,\n clippy::linkedlist,\n clippy::macro_use_imports,\n clippy::option_option,\n clippy::verbose_file_reads,\n clippy::unnested_or_patterns,\n rust_2018_idioms,\n future_incompatible,\n nonstandard_style,\n missing_docs\n)]\n//! Socketioxide is a socket.io server implementation that works as a [`tower`] layer/service.\n//! It integrates nicely with the rest of the [`tower`]/[`tokio`]/[`hyper`](https://docs.rs/hyper/latest/hyper/) ecosystem.\n//!\n//! ## Table of contents\n//! * [Features](#features)\n//! * [Compatibility](#compatibility)\n//! * [Usage](#usage)\n//! * [Initialisation](#initialisation)\n//! * [Handlers](#handlers)\n//! * [Extractors](#extractors)\n//! * [Events](#events)\n//! * [Emiting data](#emiting-data)\n//! * [Acknowledgements](#acknowledgements)\n//! * [State management](#state-management)\n//! * [Adapters](#adapters)\n//! * [Feature flags](#feature-flags)\n//!\n//! ## Features\n//! * Easy to use flexible axum-like API\n//! * Fully compatible with the official [socket.io client](https://socket.io/docs/v4/client-api/)\n//! * Support for the previous version of the protocol (v4).\n//! * State Management\n//! * Namespaces\n//! * Rooms\n//! * Acknowledgements\n//! * Polling & Websocket transports\n//!\n//! ## Compatibility\n//! Because it works as a tower [`layer`](tower::layer)/[`service`](tower::Service) or an hyper [`service`](hyper::service::Service)\n//! you can use it with any http server frameworks that works with tower/hyper:\n//! * [Axum](https://docs.rs/axum/latest/axum/)\n//! * [Warp](https://docs.rs/warp/latest/warp/) (Not supported with socketioxide >= 0.9.0 as long as warp doesn't migrate to hyper v1)\n//! * [Hyper](https://docs.rs/hyper/latest/hyper/)\n//! * [Salvo](https://docs.rs/salvo/latest/salvo/)\n//!\n//! Check the [examples](http://github.com/totodore/socketioxide/tree/main/examples) for more details on frameworks integration.\n//!\n//! ## Usage\n//! The API tries to mimic the equivalent JS API as much as possible. The main difference is that the default namespace `/` is not created automatically, you need to create it manually.\n//!\n//! #### Basic example with axum:\n//! ```no_run\n//! use axum::routing::get;\n//! use socketioxide::{\n//! extract::SocketRef,\n//! SocketIo,\n//! };\n//! #[tokio::main]\n//! async fn main() -> Result<(), Box> {\n//! let (layer, io) = SocketIo::new_layer();\n//!\n//! // Register a handler for the default namespace\n//! io.ns(\"/\", |s: SocketRef| {\n//! // For each \"message\" event received, send a \"message-back\" event with the \"Hello World!\" event\n//! s.on(\"message\", |s: SocketRef| {\n//! s.emit(\"message-back\", \"Hello World!\").ok();\n//! });\n//! });\n//!\n//! let app = axum::Router::new()\n//! .route(\"/\", get(|| async { \"Hello, World!\" }))\n//! .layer(layer);\n//!\n//! let listener = tokio::net::TcpListener::bind(\"0.0.0.0:3000\").await.unwrap();\n//! axum::serve(listener, app).await.unwrap();\n//!\n//! Ok(())\n//! }\n//! ```\n//! ## Initialisation\n//! The [`SocketIo`] struct is the main entry point of the library. It is used to create a [`Layer`](tower::layer) or a [`Service`](tower::Service).\n//! Later it can be used as the equivalent of the `io` object in the JS API.\n//!\n//! When creating your [`SocketIo`] instance, you can use the builder pattern to configure it with the [`SocketIoBuilder`] struct.\n//! * See the [`SocketIoBuilder`] doc for more details on the available configuration options.\n//! * See the [`layer`] module doc for more details on layers.\n//! * See the [`service`] module doc for more details on services.\n//!\n//! #### Tower layer example with custom configuration:\n//! ```\n//! use socketioxide::SocketIo;\n//! let (layer, io) = SocketIo::builder()\n//! .max_payload(10_000_000) // Max HTTP payload size of 10M\n//! .max_buffer_size(10_000) // Max number of packets in the buffer\n//! .build_layer();\n//! ```\n//!\n//! #### Tower _standalone_ service example with default configuration:\n//! ```\n//! use socketioxide::SocketIo;\n//! let (svc, io) = SocketIo::new_svc();\n//! ```\n//!\n//! ## Handlers\n//! Handlers are functions or clonable closures that are given to the `io.ns`, the `socket.on` and the `socket.on_disconnect` fns.\n//! They can be async or sync and can take from 0 to 16 arguments that implements the [`FromConnectParts`](handler::FromConnectParts)\n//! trait for the [`ConnectHandler`](handler::ConnectHandler), the [`FromMessageParts`](handler::FromMessageParts) for\n//! the [`MessageHandler`](handler::MessageHandler) and the [`FromDisconnectParts`](handler::FromDisconnectParts) for\n//! the [`DisconnectHandler`](handler::DisconnectHandler).\n//! They are greatly inspired by the axum handlers.\n//!\n//! If they are async, a new task will be spawned for each incoming connection/message so it doesn't block the event management task.\n//!\n//! * Check the [`handler::connect`] module doc for more details on the connect handler\n//! * Check the [`handler::message`] module doc for more details on the message handler.\n//! * Check the [`handler::disconnect`] module doc for more details on the disconnect handler.\n//! * Check the [`handler::extract`] module doc for more details on the extractors.\n//!\n//! ## Extractors\n//! Handlers params are called extractors and are used to extract data from the incoming connection/message. They are inspired by the axum extractors.\n//! An extractor is a struct that implements the [`FromConnectParts`](handler::FromConnectParts) trait for the [`ConnectHandler`](handler::ConnectHandler)\n//! the [`FromMessageParts`](handler::FromMessageParts) for the [`MessageHandler`](handler::MessageHandler) and the\n//! [`FromDisconnectParts`](handler::FromDisconnectParts) for the [`DisconnectHandler`](handler::DisconnectHandler).\n//!\n//! Here are some examples of extractors:\n//! * [`Data`](extract::Data): extracts and deserialize to json any data, if a deserialize error occurs the handler won't be called\n//! - for [`ConnectHandler`](handler::ConnectHandler): extracts and deserialize to json the auth data\n//! - for [`MessageHandler`](handler::MessageHandler): extracts and deserialize to json the message data\n//! * [`TryData`](extract::Data): extracts and deserialize to json any data but with a `Result` type in case of error\n//! - for [`ConnectHandler`](handler::ConnectHandler): extracts and deserialize to json the auth data\n//! - for [`MessageHandler`](handler::MessageHandler): extracts and deserialize to json the message data\n//! * [`SocketRef`](extract::Data): extracts a reference to the [`Socket`](socket::Socket)\n//! * [`Bin`](extract::Data): extract a binary payload for a given message. Because it consumes the event it should be the last argument\n//! * [`AckSender`](extract::Data): Can be used to send an ack response to the current message event\n//! * [`ProtocolVersion`]: extracts the protocol version of the socket\n//! * [`TransportType`]: extracts the transport type of the socket\n//! * [`DisconnectReason`](crate::socket::DisconnectReason): extracts the reason of the disconnection\n//! * [`State`](extract::State): extracts a reference to a state previously set with [`SocketIoBuilder::with_state`](crate::io::SocketIoBuilder).\n//! ### Extractor order\n//! Extractors are run in the order of their declaration in the handler signature. If an extractor returns an error, the handler won't be called and a `tracing::error!` call will be emitted if the `tracing` feature is enabled.\n//!\n//! For the [`MessageHandler`](handler::MessageHandler), some extractors require to _consume_ the event and therefore only implement the [`FromMessage`](handler::FromMessage) trait, like the [`Bin`](extract::Bin) extractor, therefore they should be the last argument.\n//!\n//! Note that any extractors that implement the [`FromMessageParts`](handler::FromMessageParts) also implement by default the [`FromMessage`](handler::FromMessage) trait.\n//!\n//! ## Events\n//! There are three types of events:\n//! * The connect event is emitted when a new connection is established. It can be handled with the [`ConnectHandler`](handler::ConnectHandler) and the `io.ns` method.\n//! * The message event is emitted when a new message is received. It can be handled with the [`MessageHandler`](handler::MessageHandler) and the `socket.on` method.\n//! * The disconnect event is emitted when a socket is closed. It can be handled with the [`DisconnectHandler`](handler::DisconnectHandler) and the `socket.on_disconnect` method.\n//!\n//! Only one handler can exist for an event so registering a new handler for an event will replace the previous one.\n//!\n//! ## [Emiting data](#emiting-data)\n//! Data can be emitted to a socket with the [`Socket::emit`](socket::Socket) method. It takes an event name and a data argument.\n//! The data argument can be any type that implements the [`serde::Serialize`] trait.\n//!\n//! You can emit from the [`SocketIo`] handle or the [`SocketRef`](extract::SocketRef).\n//! The difference is that you can move the [`io`](SocketIo) handle everywhere because it is a cheaply cloneable struct.\n//! The [`SocketRef`](extract::SocketRef) is a reference to the socket and cannot be cloned.\n//!\n//! Moreover the [`io`](SocketIo) handle can emit to any namespace while the [`SocketRef`](extract::SocketRef) can only emit to the namespace of the socket.\n//!\n//! #### Emit errors\n//! If the data can't be serialized to json, an [`serde_json::Error`] will be returned.\n//! If the socket is disconnected or the internal channel is full, a tracing log will be emitted if the `tracing` feature is enabled and the message will be dropped.\n//! This solution is not ideal and will be improved in the future (see [socketioxide/172](https://github.com/Totodore/socketioxide/issues/172)).\n//!\n//! #### Emitting with operators\n//! To configure the emit, you can chain [`Operators`](operators::Operators) methods to the emit call. With that you can easily configure the following options:\n//! * rooms: emit, join, leave to specific rooms\n//! * namespace: emit to a specific namespace (only from the [`SocketIo`] handle)\n//! * timeout: set a custom timeout when waiting for an ack\n//! * binary: emit a binary payload with the message\n//! * local: broadcast only to the current node (in case of a cluster)\n//!\n//! Check the [`operators::Operators`] doc for more details on the operators.\n//!\n//! ## Acknowledgements\n//! You can ensure that a message has been received by the client/server with acknowledgements.\n//!\n//! #### Server acknowledgements\n//! They are implemented with the [`AckSender`](extract::AckSender) extractor.\n//! You can send an ack response with an optional binary payload with the [`AckSender::send`](extract::AckSender) method.\n//! If the client doesn't send an ack response, the [`AckSender::send`](extract::AckSender) method will do nothing.\n//!\n//! #### Client acknowledgements\n//! You can use the [`Socket::emit_with_ack`](socket::Socket) method to emit a message with an ack callback.\n//! It will return a [`Future`](futures::Future) that will resolve when the acknowledgement is received.\n//!\n//! ## [State management](#state-management)\n//! There are two ways to manage the state of the server:\n//!\n//! #### Per socket state\n//! You can enable the `extensions` feature and use the [`extensions`](socket::Socket::extensions) field on any socket to manage\n//! the state of each socket. It is backed by a [`dashmap`] so you can safely access it from multiple threads.\n//! Beware that deadlocks can easily occur if you hold a value ref and try to remove it at the same time.\n//! See the [`extensions`] module doc for more details.\n//!\n//! #### Global state\n//! You can enable the `state` feature and use [`SocketIoBuilder::with_state`](SocketIoBuilder) method to set\n//! multiple global states for the server. You can then access them from any handler with the [`State`](extract::State) extractor.\n//!\n//! Because the global state is staticaly defined, beware that the state map will exist for the whole lifetime of the program even\n//! if you drop everything and close you socket.io server. This is a limitation because of the impossibility to have extractors with lifetimes,\n//! therefore state references must be `'static`.\n//!\n//! Another limitation is that because it is common to the whole server. If you build a second server, it will share the same state.\n//! Also if the first server is already started you won't be able to add new states because states are frozen at the start of the first server.\n//!\n//! ## Adapters\n//! This library is designed to work with clustering. It uses the [`Adapter`](adapter::Adapter) trait to abstract the underlying storage.\n//! By default it uses the [`LocalAdapter`](adapter::LocalAdapter) which is a simple in-memory adapter.\n//! Currently there is no other adapters available but more will be added in the future.\n//!\n//! ## [Feature flags](#feature-flags)\n//! * `v4`: enable support for the socket.io protocol v4\n//! * `tracing`: enable logging with [`tracing`] calls\n//! * `extensions`: enable per-socket state with the [`extensions`] module\n//! * `state`: enable global state management\n//!\npub mod adapter;\n\n#[cfg_attr(docsrs, doc(cfg(feature = \"extensions\")))]\n#[cfg(feature = \"extensions\")]\npub mod extensions;\n#[cfg(feature = \"state\")]\nmod state;\n\npub mod handler;\npub mod layer;\npub mod operators;\npub mod service;\npub mod socket;\n\n#[cfg(feature = \"test-utils\")]\npub use packet::*;\n\npub use engineioxide::TransportType;\npub use errors::{AckError, BroadcastError, SendError};\npub use handler::extract;\npub use io::{SocketIo, SocketIoBuilder, SocketIoConfig};\n\nmod client;\nmod errors;\nmod io;\nmod ns;\nmod packet;\n\n/// Socket.IO protocol version.\n/// It is accessible with the [`Socket::protocol`](socket::Socket) method or as an extractor\n///\n/// **Note**: The socket.io protocol version does not correspond to the engine.io protocol version.\n#[derive(Debug, Copy, Clone, PartialEq)]\npub enum ProtocolVersion {\n /// The socket.io protocol version 4, only available with the feature flag `v4`\n V4 = 4,\n /// The socket.io protocol version 5, enabled by default\n V5 = 5,\n}\n\nimpl From for engineioxide::ProtocolVersion {\n fn from(value: ProtocolVersion) -> Self {\n match value {\n ProtocolVersion::V4 => Self::V3,\n ProtocolVersion::V5 => Self::V4,\n }\n }\n}\nimpl From for ProtocolVersion {\n fn from(value: engineioxide::ProtocolVersion) -> Self {\n match value {\n engineioxide::ProtocolVersion::V3 => Self::V4,\n engineioxide::ProtocolVersion::V4 => Self::V5,\n }\n }\n}\n -Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP -<+>UTF-8 -=================================================================== -diff --git a/socketioxide/src/lib.rs b/socketioxide/src/lib.rs ---- a/socketioxide/src/lib.rs (revision b9e22e03ae80f41e2720111afaae748e8d38bbae) -+++ b/socketioxide/src/lib.rs (date 1703514219416) -@@ -268,6 +268,7 @@ - mod io; - mod ns; - mod packet; -+mod operators_single; - - /// Socket.IO protocol version. - /// It is accessible with the [`Socket::protocol`](socket::Socket) method or as an extractor -Index: examples/basic-crud-application/src/main.rs -IDEA additional info: -Subsystem: com.intellij.openapi.diff.impl.patch.BaseRevisionTextPatchEP -<+>use socketioxide::{extract::SocketRef, SocketIo};\nuse tower::ServiceBuilder;\nuse tower_http::{cors::CorsLayer, services::ServeDir};\nuse tracing::info;\nuse tracing_subscriber::FmtSubscriber;\n\nuse crate::handlers::todo::Todos;\n\nmod handlers;\n\n#[tokio::main]\nasync fn main() -> Result<(), Box> {\n let subscriber = FmtSubscriber::new();\n\n tracing::subscriber::set_global_default(subscriber)?;\n\n info!(\"Starting server\");\n\n let (layer, io) = SocketIo::builder()\n .with_state(Todos::default())\n .build_layer();\n\n io.ns(\"/\", |s: SocketRef| {\n s.on(\"todo:create\", handlers::todo::create);\n s.on(\"todo:read\", handlers::todo::read);\n s.on(\"todo:update\", handlers::todo::update);\n s.on(\"todo:delete\", handlers::todo::delete);\n s.on(\"todo:list\", handlers::todo::list);\n });\n\n let app = axum::Router::new()\n .nest_service(\"/\", ServeDir::new(\"dist\"))\n .layer(\n ServiceBuilder::new()\n .layer(CorsLayer::permissive()) // Enable CORS policy\n .layer(layer),\n );\n\n let listener = tokio::net::TcpListener::bind(\"0.0.0.0:3000\").await.unwrap();\n axum::serve(listener, app).await.unwrap();\n\n Ok(())\n}\n -Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP -<+>UTF-8 -=================================================================== -diff --git a/examples/basic-crud-application/src/main.rs b/examples/basic-crud-application/src/main.rs ---- a/examples/basic-crud-application/src/main.rs (revision b9e22e03ae80f41e2720111afaae748e8d38bbae) -+++ b/examples/basic-crud-application/src/main.rs (date 1703260073635) -@@ -36,7 +36,7 @@ - .layer(layer), - ); - -- let listener = tokio::net::TcpListener::bind("0.0.0.0:3000").await.unwrap(); -+ let listener = tokio::net::TcpListener::bind("127.0.0.1:3000").await.unwrap(); - axum::serve(listener, app).await.unwrap(); - - Ok(()) diff --git a/.idea/vcs.xml b/.idea/vcs.xml deleted file mode 100644 index 35eb1ddf..00000000 --- a/.idea/vcs.xml +++ /dev/null @@ -1,6 +0,0 @@ - - - - - - \ No newline at end of file diff --git a/.idea/workspace.xml b/.idea/workspace.xml deleted file mode 100644 index e04be8dc..00000000 --- a/.idea/workspace.xml +++ /dev/null @@ -1,415 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - { - "associatedIndex": 6 -} - - - - - - - { - "keyToString": { - "ASKED_ADD_EXTERNAL_FILES": "true", - "ASKED_SHARE_PROJECT_CONFIGURATION_FILES": "true", - "Cargo.Build `Run socketio-chat`.executor": "Run", - "Cargo.Build `Test socketioxide`.executor": "Run", - "Cargo.Run angular-todomvc.executor": "Run", - "Cargo.Run axum-echo.executor": "Run", - "Cargo.Run basic-crud-application.executor": "Run", - "Cargo.Run socketio-chat.executor": "Run", - "Cargo.Test packet::test::packet_decode_connect.executor": "Run", - "Cargo.Test socketioxide.executor": "Run", - "RunOnceActivity.OpenProjectViewOnStart": "true", - "RunOnceActivity.ShowReadmeOnStart": "true", - "ShowUsagesActions.previewPropertyKey": "true", - "git-widget-placeholder": "ft-custom-parser", - "last_opened_file_path": "/Users/fabian/Documents/Projects/Rust/socketioxide/socketioxide/src", - "node.js.detected.package.eslint": "true", - "node.js.detected.package.tslint": "true", - "node.js.selected.package.eslint": "(autodetect)", - "node.js.selected.package.tslint": "(autodetect)", - "nodejs_package_manager_path": "npm", - "org.rust.cargo.project.model.PROJECT_DISCOVERY": "true", - "ts.external.directory.path": "/Users/fabian/Applications/RustRover.app/Contents/plugins/javascript-impl/jsLanguageServicesImpl/external", - "vue.rearranger.settings.migration": "true" - } -} - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1703247425228 - - - - - - - - - - - \ No newline at end of file diff --git a/examples/axum-echo/axum_echo.rs b/examples/axum-echo/axum_echo.rs index f66bba69..301d3a6a 100644 --- a/examples/axum-echo/axum_echo.rs +++ b/examples/axum-echo/axum_echo.rs @@ -1,9 +1,9 @@ use axum::routing::get; use serde_json::Value; -use socketioxide::{extract::{AckSender, Bin, Data, SocketRef}, SocketIo, SocketIoBuilder}; +use socketioxide::{extract::{AckSender, Bin, Data, SocketRef}, SocketIoBuilder}; use tracing::info; use tracing_subscriber::FmtSubscriber; -use socketioxide::parser::MsgpackParser; +use socketioxide::parser::msgpack::MsgpackParser; fn on_connect(socket: SocketRef, Data(data): Data) { info!("Socket.IO connected: {:?} {:?}", socket.ns(), socket.id); @@ -31,7 +31,7 @@ async fn main() -> Result<(), Box> { tracing::subscriber::set_global_default(FmtSubscriber::default())?; let (layer, io) = SocketIoBuilder::new() - .with_parser(MsgpackParser::default()) + .with_parser(MsgpackParser) .build_layer(); io.ns("/", on_connect); diff --git a/socketioxide/src/client.rs b/socketioxide/src/client.rs index b946c89c..b3f2c345 100644 --- a/socketioxide/src/client.rs +++ b/socketioxide/src/client.rs @@ -18,6 +18,7 @@ use crate::{ packet::{Packet, PacketData}, SocketIoConfig, }; +use crate::parser::Emittable; #[derive(Debug)] pub struct Client { @@ -64,11 +65,25 @@ impl Client { esocket.close(EIoDisconnectReason::TransportClose); Ok(()) } else { - let packet = Packet::invalid_namespace(ns_path).into(); - if let Err(_e) = esocket.emit(packet) { - #[cfg(feature = "tracing")] - tracing::error!("error while sending invalid namespace packet: {}", _e); + let packets = self.config.parser.encode(Packet::invalid_namespace(ns_path).into()); + + for packet in packets { + match packet { + Emittable::String(msg) => { + if let Err(_e) = esocket.emit(msg) { + #[cfg(feature = "tracing")] + tracing::error!("error while sending invalid namespace string packet: {}", _e); + } + } + Emittable::Binary(bin) => { + if let Err(_e) = esocket.emit_binary(bin) { + #[cfg(feature = "tracing")] + tracing::error!("error while sending invalid namespace binary packet: {}", _e); + } + } + } } + Ok(()) } } diff --git a/socketioxide/src/io.rs b/socketioxide/src/io.rs index 94c91507..0cf5699d 100644 --- a/socketioxide/src/io.rs +++ b/socketioxide/src/io.rs @@ -18,7 +18,8 @@ use crate::{ service::SocketIoService, BroadcastError, DisconnectError, }; -use crate::parser::{DefaultParser, Parser}; +use crate::parser::default::DefaultParser; +use crate::parser::Parser; /// Configuration for Socket.IO & Engine.IO #[derive(Debug, Clone)] diff --git a/socketioxide/src/packet.rs b/socketioxide/src/packet.rs index 0d32e538..4c4822f1 100644 --- a/socketioxide/src/packet.rs +++ b/socketioxide/src/packet.rs @@ -4,10 +4,8 @@ use std::borrow::Cow; use crate::ProtocolVersion; -use serde::{de::DeserializeOwned, Deserialize, Serialize}; +use serde::{Deserialize, Serialize}; use serde_json::{json, Value}; - -use crate::errors::Error; use engineioxide::sid::Sid; /// The socket.io packet type. @@ -240,14 +238,6 @@ impl BinaryPacket { } } -impl<'a> From> for String { - fn from(mut packet: Packet<'a>) -> String { - use PacketData::*; - - "".to_string() - } -} - /// Connect packet sent by the client #[derive(Debug, Clone, Serialize, Deserialize)] pub struct ConnectPacket { diff --git a/socketioxide/src/parser.rs b/socketioxide/src/parser.rs index 29a51a48..0ecab202 100644 --- a/socketioxide/src/parser.rs +++ b/socketioxide/src/parser.rs @@ -1,24 +1,49 @@ -use std::borrow::Cow; use std::fmt::{Debug, Formatter}; use std::sync::Arc; use dyn_clone::DynClone; use futures::AsyncReadExt; use serde::de::DeserializeOwned; -use serde_json::Value; -use engineioxide::sid::Sid; use engineioxide::Socket as EIoSocket; use crate::client::SocketData; use crate::errors::Error; -use crate::packet::{BinaryPacket, ConnectPacket, Packet, PacketData}; -use crate::packet::PacketData::{BinaryAck, BinaryEvent, ConnectError, Disconnect, Event, EventAck}; -use crate::ProtocolVersion; +use crate::packet::Packet; +pub mod msgpack; +pub mod default; + +/// A payload that is sent over the network. +/// Can be either an [`Emittable(String)`] to send a plaintext payload +/// or an [`Emittable(Vec)`] to send a binary payload. pub enum Emittable { + /// A string payload that will be sent as a string websocket frame over the network. String(String), + /// A binary payload that will be sent as a binary websocket frame over the network. Binary(Vec) } +/// Interface that can be implemented to support custom protocols or serialization formats. +/// +/// # Available Parsers +/// Currently, socketioxide supports two parsers to choose from: +/// - **[`default::DefaultParser`]** +/// - **[`msgpack::MsgpackParser`]** +/// +/// Configuration happens during the initialization of the SocketIo instance: +/// ```rust +/// use socketioxide::parser::msgpack::MsgpackParser; +/// use socketioxide::SocketIoBuilder; +/// +/// let (layer, io) = SocketIoBuilder::new() +/// .with_parser(MsgpackParser) +/// .build_layer(); +/// ``` +/// pub trait Parser: DynClone + Send + Sync + 'static { + /// Encodes the packet into an array of websocket payloads that are sent over the connection. + /// + /// # Returns + /// An array of [`Emittable`] which can be either [`Emittable(String)`] to send a plaintext payload + /// or [`Emittable(Vec)`] to send a binary payload. fn encode(&self, packet: Packet) -> Vec; /// Decodes a string packet into its general form [`Packet`]. /// # Returns @@ -40,338 +65,6 @@ impl Debug for dyn Parser { } } -#[derive(Clone, Default)] -pub struct DefaultParser; - -impl DefaultParser { - /// Get the max size the packet could have when serialized - /// This is used to pre-allocate a buffer for the packet - /// - /// #### Disclaimer: The size does not include serialized `Value` size - pub(crate) fn get_size_hint(packet: &Packet) -> usize { - use PacketData::*; - const PACKET_INDEX_SIZE: usize = 1; - const BINARY_PUNCTUATION_SIZE: usize = 2; - const ACK_PUNCTUATION_SIZE: usize = 1; - const NS_PUNCTUATION_SIZE: usize = 1; - - let data_size = match &packet.inner { - Connect(Some(data)) => data.len(), - Connect(None) => 0, - Disconnect => 0, - Event(_, _, Some(ack)) => { - ack.checked_ilog10().unwrap_or(0) as usize + ACK_PUNCTUATION_SIZE - } - Event(_, _, None) => 0, - BinaryEvent(_, bin, None) => { - bin.payload_count.checked_ilog10().unwrap_or(0) as usize + BINARY_PUNCTUATION_SIZE - } - BinaryEvent(_, bin, Some(ack)) => { - ack.checked_ilog10().unwrap_or(0) as usize - + bin.payload_count.checked_ilog10().unwrap_or(0) as usize - + ACK_PUNCTUATION_SIZE - + BINARY_PUNCTUATION_SIZE - } - EventAck(_, ack) => ack.checked_ilog10().unwrap_or(0) as usize + ACK_PUNCTUATION_SIZE, - BinaryAck(bin, ack) => { - ack.checked_ilog10().unwrap_or(0) as usize - + bin.payload_count.checked_ilog10().unwrap_or(0) as usize - + ACK_PUNCTUATION_SIZE - + BINARY_PUNCTUATION_SIZE - } - ConnectError => 31, - }; - - let nsp_size = if packet.ns == "/" { - 0 - } else if packet.ns.starts_with('/') { - packet.ns.len() + NS_PUNCTUATION_SIZE - } else { - packet.ns.len() + NS_PUNCTUATION_SIZE + 1 // (1 for the leading slash) - }; - data_size + nsp_size + PACKET_INDEX_SIZE - } - - fn index(packet: &PacketData) -> char { - match packet { - PacketData::Connect(_) => '0', - PacketData::Disconnect => '1', - PacketData::Event(_, _, _) => '2', - PacketData::EventAck(_, _) => '3', - PacketData::ConnectError => '4', - PacketData::BinaryEvent(_, _, _) => '5', - PacketData::BinaryAck(_, _) => '6', - } - } - - - /// Deserialize an event packet from a string, formated as: - /// ```text - /// ["", ...] - /// ``` - fn deserialize_event_packet(data: &str) -> Result<(String, Value), Error> { - #[cfg(feature = "tracing")] - tracing::debug!("Deserializing event packet: {:?}", data); - let packet = match serde_json::from_str::(data)? { - Value::Array(packet) => packet, - _ => return Err(Error::InvalidEventName), - }; - - let event = packet - .first() - .ok_or(Error::InvalidEventName)? - .as_str() - .ok_or(Error::InvalidEventName)? - .to_string(); - let payload = Value::from_iter(packet.into_iter().skip(1)); - Ok((event, payload)) - } - - fn deserialize_packet(data: &str) -> Result, serde_json::Error> { - #[cfg(feature = "tracing")] - tracing::debug!("Deserializing packet: {:?}", data); - let packet = if data.is_empty() { - None - } else { - Some(serde_json::from_str(data)?) - }; - Ok(packet) - } -} - -impl Parser for DefaultParser { - fn encode(&self, mut packet: Packet) -> Vec { - let bin_payloads = match packet.inner { - PacketData::BinaryEvent(_, ref mut bin, _) | PacketData::BinaryAck(ref mut bin, _) => { - std::mem::take(&mut bin.bin) - } - _ => vec![], - }; - - let bin_payloads = bin_payloads.iter() - .map(|payload| Emittable::Binary(payload.clone())) - .collect::>(); - - // Serialize the data if there is any - // pre-serializing allows to preallocate the buffer - let data = match &mut packet.inner { - Event(e, data, _) | BinaryEvent(e, BinaryPacket { data, .. }, _) => { - // Expand the packet if it is an array with data -> ["event", ...data] - let packet = match data { - Value::Array(ref mut v) if !v.is_empty() => { - v.insert(0, Value::String((*e).to_string())); - serde_json::to_string(&v) - } - Value::Array(_) => serde_json::to_string::<(_, [(); 0])>(&(e, [])), - _ => serde_json::to_string(&(e, data)), - } - .unwrap(); - Some(packet) - } - EventAck(data, _) | BinaryAck(BinaryPacket { data, .. }, _) => { - // Enforce that the packet is an array -> [data] - let packet = match data { - Value::Array(_) => serde_json::to_string(&data), - Value::Null => Ok("[]".to_string()), - _ => serde_json::to_string(&[data]), - } - .unwrap(); - Some(packet) - } - _ => None, - }; - - let capacity = Self::get_size_hint(&packet) + data.as_ref().map(|d| d.len()).unwrap_or(0); - let mut res = String::with_capacity(capacity); - res.push(Self::index(&packet.inner)); - - // Add the ns if it is not the default one and the packet is not binary - // In case of bin packet, we should first add the payload count before ns - let push_nsp = |res: &mut String| { - if !packet.ns.is_empty() && packet.ns != "/" { - if !packet.ns.starts_with('/') { - res.push('/'); - } - res.push_str(&packet.ns); - res.push(','); - } - }; - - if !packet.inner.is_binary() { - push_nsp(&mut res); - } - - let mut itoa_buf = itoa::Buffer::new(); - - match packet.inner { - PacketData::Connect(Some(data)) => res.push_str(&data), - PacketData::Disconnect | PacketData::Connect(None) => (), - PacketData::Event(_, _, ack) => { - if let Some(ack) = ack { - res.push_str(itoa_buf.format(ack)); - } - - res.push_str(&data.unwrap()) - } - PacketData::EventAck(_, ack) => { - res.push_str(itoa_buf.format(ack)); - res.push_str(&data.unwrap()) - } - PacketData::ConnectError => res.push_str("{\"message\":\"Invalid namespace\"}"), - PacketData::BinaryEvent(_, bin, ack) => { - res.push_str(itoa_buf.format(bin.payload_count)); - res.push('-'); - - push_nsp(&mut res); - - if let Some(ack) = ack { - res.push_str(itoa_buf.format(ack)); - } - - res.push_str(&data.unwrap()) - } - PacketData::BinaryAck(packet, ack) => { - res.push_str(itoa_buf.format(packet.payload_count)); - res.push('-'); - - push_nsp(&mut res); - - res.push_str(itoa_buf.format(ack)); - res.push_str(&data.unwrap()) - } - }; - - return vec![Emittable::String(res)].into_iter() - .chain(bin_payloads.into_iter()) - .collect(); - } - - fn decode_msg<'a>(&self, msg: String, socket: Arc>) -> Result, Error> { - // It is possible to parse the packet from a byte slice because separators are only ASCII - let chars = msg.as_bytes(); - let mut i = 1; - let index = (b'0'..=b'6') - .contains(&chars[0]) - .then_some(chars[0]) - .ok_or(Error::InvalidPacketType)?; - - // Move the cursor to skip the payload count if it is a binary packet - if index == b'5' || index == b'6' { - while chars.get(i) != Some(&b'-') { - i += 1; - } - i += 1; - } - - let start_index = i; - // Custom nsps will start with a slash - let ns = if chars.get(i) == Some(&b'/') { - loop { - match chars.get(i) { - Some(b',') => { - i += 1; - break Cow::Owned(msg[start_index..i - 1].to_string()); - } - // It maybe possible depending on clients that ns does not end with a comma - // if it is the end of the packet - // e.g `1/custom` - None => { - break Cow::Owned(msg[start_index..i].to_string()); - } - Some(_) => i += 1, - } - } - } else { - Cow::Borrowed("/") - }; - - let start_index = i; - let ack: Option = loop { - match chars.get(i) { - Some(c) if c.is_ascii_digit() => i += 1, - Some(b'[' | b'{') if i > start_index => break msg[start_index..i].parse().ok(), - _ => break None, - } - }; - - let data = &msg[i..]; - let inner = match index { - b'0' => PacketData::Connect((!data.is_empty()).then(|| data.to_string())), - b'1' => PacketData::Disconnect, - b'2' => { - let (event, payload) = Self::deserialize_event_packet(data)?; - PacketData::Event(event.into(), payload, ack) - } - b'3' => { - let packet = Self::deserialize_packet(data)?.ok_or(Error::InvalidPacketType)?; - PacketData::EventAck(packet, ack.ok_or(Error::InvalidPacketType)?) - } - b'5' => { - let (event, payload) = Self::deserialize_event_packet(data)?; - PacketData::BinaryEvent(event.into(), BinaryPacket::incoming(payload), ack) - } - b'6' => { - let packet = Self::deserialize_packet(data)?.ok_or(Error::InvalidPacketType)?; - PacketData::BinaryAck( - BinaryPacket::incoming(packet), - ack.ok_or(Error::InvalidPacketType)?, - ) - } - _ => return Err(Error::InvalidPacketType), - }; - - Ok(Packet { inner, ns }) - } - - fn decode_bin<'a>(&self, bin: Vec, socket: Arc>) -> Option> { - #[cfg(feature = "tracing")] - tracing::debug!("[sid={}] applying payload on packet", socket.id); - let is_complete = if let Some(ref mut packet) = *socket.data.partial_bin_packet.lock().unwrap() { - match packet.inner { - PacketData::BinaryEvent(_, ref mut bin_packet, _) | PacketData::BinaryAck(ref mut bin_packet, _) => { - bin_packet.add_payload(bin); - bin_packet.is_complete() - } - _ => unreachable!("partial_bin_packet should only be set for binary packets"), - } - } else { - #[cfg(feature = "tracing")] - tracing::debug!("[sid={}] socket received unexpected bin data", socket.id); - false - }; - - if is_complete { - return socket.data.partial_bin_packet.lock().unwrap().take(); - } - None - } -} - -#[derive(Clone, Default)] -pub struct MsgpackParser; - -impl MsgpackParser { - -} - -impl Parser for MsgpackParser { - fn encode(&self, packet: Packet) -> Vec { - return vec![ - Emittable::Binary(vec![1,2,3,4,5,6]) - ]; - } - - fn decode_msg<'a>(&self, msg: String, socket: Arc>) -> Result, Error> { - println!("rec msg {:?}", msg); - todo!() - } - - fn decode_bin<'a>(&self, bin: Vec, socket: Arc>) -> Option> { - println!("rec bin {:X?}", bin); - todo!() - } -} - /* #[cfg(test)] mod test { diff --git a/socketioxide/src/parser/default.rs b/socketioxide/src/parser/default.rs new file mode 100644 index 00000000..de7ab76a --- /dev/null +++ b/socketioxide/src/parser/default.rs @@ -0,0 +1,319 @@ +use std::borrow::Cow; +use std::sync::Arc; +use serde::de::DeserializeOwned; +use serde_json::Value; +use crate::client::SocketData; +use crate::errors::Error; +use crate::packet::{BinaryPacket, Packet, PacketData}; +use crate::packet::PacketData::{BinaryAck, BinaryEvent, Connect, ConnectError, Disconnect, Event, EventAck}; +use crate::parser::{Emittable, Parser}; +use engineioxide::Socket as EIoSocket; + +/// The default packet parsing implementation for Socket.io following. +/// Protocol reference can be looked up [here](https://github.com/socketio/socket.io-protocol?tab=readme-ov-file). +#[derive(Clone, Default)] +pub struct DefaultParser; + +impl DefaultParser { + /// Get the max size the packet could have when serialized + /// This is used to pre-allocate a buffer for the packet + /// + /// #### Disclaimer: The size does not include serialized `Value` size + pub(crate) fn get_size_hint(packet: &Packet) -> usize { + use crate::packet::PacketData::*; + const PACKET_INDEX_SIZE: usize = 1; + const BINARY_PUNCTUATION_SIZE: usize = 2; + const ACK_PUNCTUATION_SIZE: usize = 1; + const NS_PUNCTUATION_SIZE: usize = 1; + + let data_size = match &packet.inner { + Connect(Some(data)) => data.len(), + Connect(None) => 0, + Disconnect => 0, + Event(_, _, Some(ack)) => { + ack.checked_ilog10().unwrap_or(0) as usize + ACK_PUNCTUATION_SIZE + } + Event(_, _, None) => 0, + BinaryEvent(_, bin, None) => { + bin.payload_count.checked_ilog10().unwrap_or(0) as usize + BINARY_PUNCTUATION_SIZE + } + BinaryEvent(_, bin, Some(ack)) => { + ack.checked_ilog10().unwrap_or(0) as usize + + bin.payload_count.checked_ilog10().unwrap_or(0) as usize + + ACK_PUNCTUATION_SIZE + + BINARY_PUNCTUATION_SIZE + } + EventAck(_, ack) => ack.checked_ilog10().unwrap_or(0) as usize + ACK_PUNCTUATION_SIZE, + BinaryAck(bin, ack) => { + ack.checked_ilog10().unwrap_or(0) as usize + + bin.payload_count.checked_ilog10().unwrap_or(0) as usize + + ACK_PUNCTUATION_SIZE + + BINARY_PUNCTUATION_SIZE + } + ConnectError => 31, + }; + + let nsp_size = if packet.ns == "/" { + 0 + } else if packet.ns.starts_with('/') { + packet.ns.len() + NS_PUNCTUATION_SIZE + } else { + packet.ns.len() + NS_PUNCTUATION_SIZE + 1 // (1 for the leading slash) + }; + data_size + nsp_size + PACKET_INDEX_SIZE + } + + fn index(packet: &PacketData) -> char { + match packet { + PacketData::Connect(_) => '0', + PacketData::Disconnect => '1', + PacketData::Event(_, _, _) => '2', + PacketData::EventAck(_, _) => '3', + PacketData::ConnectError => '4', + PacketData::BinaryEvent(_, _, _) => '5', + PacketData::BinaryAck(_, _) => '6', + } + } + + + /// Deserialize an event packet from a string, formated as: + /// ```text + /// ["", ...] + /// ``` + fn deserialize_event_packet(data: &str) -> Result<(String, Value), Error> { + #[cfg(feature = "tracing")] + tracing::debug!("Deserializing event packet: {:?}", data); + let packet = match serde_json::from_str::(data)? { + Value::Array(packet) => packet, + _ => return Err(Error::InvalidEventName), + }; + + let event = packet + .first() + .ok_or(Error::InvalidEventName)? + .as_str() + .ok_or(Error::InvalidEventName)? + .to_string(); + let payload = Value::from_iter(packet.into_iter().skip(1)); + Ok((event, payload)) + } + + fn deserialize_packet(data: &str) -> Result, serde_json::Error> { + #[cfg(feature = "tracing")] + tracing::debug!("Deserializing packet: {:?}", data); + let packet = if data.is_empty() { + None + } else { + Some(serde_json::from_str(data)?) + }; + Ok(packet) + } +} + +impl Parser for DefaultParser { + fn encode(&self, mut packet: Packet) -> Vec { + let bin_payloads = match packet.inner { + PacketData::BinaryEvent(_, ref mut bin, _) | PacketData::BinaryAck(ref mut bin, _) => { + std::mem::take(&mut bin.bin) + } + _ => vec![], + }; + + let bin_payloads = bin_payloads.iter() + .map(|payload| Emittable::Binary(payload.clone())) + .collect::>(); + + // Serialize the data if there is any + // pre-serializing allows to preallocate the buffer + let data = match &mut packet.inner { + Event(e, data, _) | BinaryEvent(e, BinaryPacket { data, .. }, _) => { + // Expand the packet if it is an array with data -> ["event", ...data] + let packet = match data { + Value::Array(ref mut v) if !v.is_empty() => { + v.insert(0, Value::String((*e).to_string())); + serde_json::to_string(&v) + } + Value::Array(_) => serde_json::to_string::<(_, [(); 0])>(&(e, [])), + _ => serde_json::to_string(&(e, data)), + } + .unwrap(); + Some(packet) + } + EventAck(data, _) | BinaryAck(BinaryPacket { data, .. }, _) => { + // Enforce that the packet is an array -> [data] + let packet = match data { + Value::Array(_) => serde_json::to_string(&data), + Value::Null => Ok("[]".to_string()), + _ => serde_json::to_string(&[data]), + } + .unwrap(); + Some(packet) + } + _ => None, + }; + + let capacity = Self::get_size_hint(&packet) + data.as_ref().map(|d| d.len()).unwrap_or(0); + let mut res = String::with_capacity(capacity); + res.push(Self::index(&packet.inner)); + + // Add the ns if it is not the default one and the packet is not binary + // In case of bin packet, we should first add the payload count before ns + let push_nsp = |res: &mut String| { + if !packet.ns.is_empty() && packet.ns != "/" { + if !packet.ns.starts_with('/') { + res.push('/'); + } + res.push_str(&packet.ns); + res.push(','); + } + }; + + if !packet.inner.is_binary() { + push_nsp(&mut res); + } + + let mut itoa_buf = itoa::Buffer::new(); + + match packet.inner { + PacketData::Connect(Some(data)) => res.push_str(&data), + PacketData::Disconnect | PacketData::Connect(None) => (), + PacketData::Event(_, _, ack) => { + if let Some(ack) = ack { + res.push_str(itoa_buf.format(ack)); + } + + res.push_str(&data.unwrap()) + } + PacketData::EventAck(_, ack) => { + res.push_str(itoa_buf.format(ack)); + res.push_str(&data.unwrap()) + } + PacketData::ConnectError => res.push_str("{\"message\":\"Invalid namespace\"}"), + PacketData::BinaryEvent(_, bin, ack) => { + res.push_str(itoa_buf.format(bin.payload_count)); + res.push('-'); + + push_nsp(&mut res); + + if let Some(ack) = ack { + res.push_str(itoa_buf.format(ack)); + } + + res.push_str(&data.unwrap()) + } + PacketData::BinaryAck(packet, ack) => { + res.push_str(itoa_buf.format(packet.payload_count)); + res.push('-'); + + push_nsp(&mut res); + + res.push_str(itoa_buf.format(ack)); + res.push_str(&data.unwrap()) + } + }; + + return vec![Emittable::String(res)].into_iter() + .chain(bin_payloads.into_iter()) + .collect(); + } + + fn decode_msg<'a>(&self, msg: String, socket: Arc>) -> Result, Error> { + // It is possible to parse the packet from a byte slice because separators are only ASCII + let chars = msg.as_bytes(); + let mut i = 1; + let index = (b'0'..=b'6') + .contains(&chars[0]) + .then_some(chars[0]) + .ok_or(Error::InvalidPacketType)?; + + // Move the cursor to skip the payload count if it is a binary packet + if index == b'5' || index == b'6' { + while chars.get(i) != Some(&b'-') { + i += 1; + } + i += 1; + } + + let start_index = i; + // Custom nsps will start with a slash + let ns = if chars.get(i) == Some(&b'/') { + loop { + match chars.get(i) { + Some(b',') => { + i += 1; + break Cow::Owned(msg[start_index..i - 1].to_string()); + } + // It maybe possible depending on clients that ns does not end with a comma + // if it is the end of the packet + // e.g `1/custom` + None => { + break Cow::Owned(msg[start_index..i].to_string()); + } + Some(_) => i += 1, + } + } + } else { + Cow::Borrowed("/") + }; + + let start_index = i; + let ack: Option = loop { + match chars.get(i) { + Some(c) if c.is_ascii_digit() => i += 1, + Some(b'[' | b'{') if i > start_index => break msg[start_index..i].parse().ok(), + _ => break None, + } + }; + + let data = &msg[i..]; + let inner = match index { + b'0' => PacketData::Connect((!data.is_empty()).then(|| data.to_string())), + b'1' => PacketData::Disconnect, + b'2' => { + let (event, payload) = Self::deserialize_event_packet(data)?; + PacketData::Event(event.into(), payload, ack) + } + b'3' => { + let packet = Self::deserialize_packet(data)?.ok_or(Error::InvalidPacketType)?; + PacketData::EventAck(packet, ack.ok_or(Error::InvalidPacketType)?) + } + b'5' => { + let (event, payload) = Self::deserialize_event_packet(data)?; + PacketData::BinaryEvent(event.into(), BinaryPacket::incoming(payload), ack) + } + b'6' => { + let packet = Self::deserialize_packet(data)?.ok_or(Error::InvalidPacketType)?; + PacketData::BinaryAck( + BinaryPacket::incoming(packet), + ack.ok_or(Error::InvalidPacketType)?, + ) + } + _ => return Err(Error::InvalidPacketType), + }; + + Ok(Packet { inner, ns }) + } + + fn decode_bin<'a>(&self, bin: Vec, socket: Arc>) -> Option> { + #[cfg(feature = "tracing")] + tracing::debug!("[sid={}] applying payload on packet", socket.id); + let is_complete = if let Some(ref mut packet) = *socket.data.partial_bin_packet.lock().unwrap() { + match packet.inner { + PacketData::BinaryEvent(_, ref mut bin_packet, _) | PacketData::BinaryAck(ref mut bin_packet, _) => { + bin_packet.add_payload(bin); + bin_packet.is_complete() + } + _ => unreachable!("partial_bin_packet should only be set for binary packets"), + } + } else { + #[cfg(feature = "tracing")] + tracing::debug!("[sid={}] socket received unexpected bin data", socket.id); + false + }; + + if is_complete { + return socket.data.partial_bin_packet.lock().unwrap().take(); + } + None + } +} \ No newline at end of file diff --git a/socketioxide/src/parser/msgpack.rs b/socketioxide/src/parser/msgpack.rs new file mode 100644 index 00000000..ab618805 --- /dev/null +++ b/socketioxide/src/parser/msgpack.rs @@ -0,0 +1,34 @@ +use std::sync::Arc; +use crate::client::SocketData; +use crate::errors::Error; +use crate::packet::Packet; +use crate::parser::{Emittable, Parser}; +use engineioxide::Socket as EIoSocket; + +/// Alternative packet parser that is using MessagePack as its serialization type. +/// Implements the [Socket.io protocol](https://github.com/socketio/socket.io-protocol?tab=readme-ov-file). with slight modifications. +/// The main difference is that each packet is only constructed of one single binary payload, with the header encoded into the same packet as well. +#[derive(Clone, Default)] +pub struct MsgpackParser; + +impl MsgpackParser { + +} + +impl Parser for MsgpackParser { + fn encode<'a>(&self, packet: Packet<'a>) -> Vec { + return vec![ + Emittable::Binary(vec![1,2,3,4,5,6]) + ]; + } + + fn decode_msg<'a>(&self, msg: String, socket: Arc>) -> Result, Error> { + println!("rec msg {:?}", msg); + todo!() + } + + fn decode_bin<'a>(&self, bin: Vec, socket: Arc>) -> Option> { + println!("rec bin {:X?}", bin); + todo!() + } +} \ No newline at end of file diff --git a/socketioxide/src/socket.rs b/socketioxide/src/socket.rs index 4eca930c..bd256954 100644 --- a/socketioxide/src/socket.rs +++ b/socketioxide/src/socket.rs @@ -580,8 +580,12 @@ impl Socket { for packet in packets { match packet { - Emittable::String(msg) => { self.esocket.emit(msg); } - Emittable::Binary(bin) => { self.esocket.emit_binary(bin); } + Emittable::String(msg) => { + self.esocket.emit(msg); + } + Emittable::Binary(bin) => { + self.esocket.emit_binary(bin); + } } }