Use esbuild. Add node.js support. Update emcc. (#6)

* Use esbuild. Add node.js support. Update emcc.

* Include typings in package. Remove outdated types

* Correct path to exported types

* Fix node.js example

.gitignore

@@ -1,3 +1,4 @@
 node_modules
+__pycache__
 
 build

README.md

@@ -6,12 +6,14 @@ Libavoid port for js. This port is created mostly using [WebIDL Bindings](https:
 
 There are two versions of the library:
 
-- **Production version** of the library is in `dist` directory
+- **Release version** of the library is in `dist` directory
 - **Debug version** of the library is in `examples/lib` directory
 
 A usage example is in `examples` directory. To try it out start http server in this
 directory, just opening index.html in your browser doesn't work unfortunately.
 
+The library works in both webbrowser and node.js environments.
+
 ## Documentation
 
 Library API Documentation is in `api_docs_build` directory, just open `index.html`
@@ -26,10 +28,13 @@ Library API Documentation is in `api_docs_build` directory, just open `index.htm
 
 ### Build commands
 
-- `python3 ../tools/generate.py`
-
-  It will generate both production and debug versions of the library, also update documentation.
+1. `python3 ../tools/generate.py`
+
+    It will generate both release and debug versions of the library, also update documentation.
+
+2. `npm run build`
 
+    It will create a package with generated release version of the library.
 
 ### Debugging
 
@@ -39,7 +44,6 @@ Also, symlink to adaptagrams should be in `examples` directory to provide libavo
 
 ## TODO
 
-- idea: docs from c++
 - tests
 - extend WebIDL bindings to provide the same abilities as C++ library
 - host API Docs in platform such Github Pages

build.js

@@ -0,0 +1,89 @@
+const fs = require("fs");
+const esbuild = require("esbuild");
+const { copy } = require("esbuild-plugin-copy");
+
+// release esm/mjs
+esbuild
+  .build({
+    entryPoints: ["src/index.js"],
+    outdir: "dist",
+    outExtension: {
+      ".js": ".mjs",
+    },
+    bundle: true,
+    sourcemap: true,
+    minify: true,
+    splitting: true,
+    format: "esm",
+    platform: "neutral",
+    external: ["module"],
+    plugins: [
+      copy({
+        resolveFrom: "cwd",
+        assets: {
+          from: ["./src/generated/libavoid.wasm"],
+          to: ["./dist", "./examples/dist"],
+        },
+        watch: true,
+      }),
+    ],
+  })
+  .then(() => {
+    fs.copyFile("./dist/index.mjs", "./examples/dist/index.mjs", (err) => {
+      if (err) throw err;
+    });
+    fs.copyFile(
+      "./dist/index.mjs.map",
+      "./examples/dist/index.mjs.map",
+      (err) => {
+        if (err) throw err;
+      }
+    );
+  })
+  .catch(() => process.exit(1));
+
+// debug esm / mjs
+esbuild
+  .build({
+    entryPoints: ["examples/debug-src/index.js"],
+    outdir: "examples/debug-dist",
+    outExtension: {
+      ".js": ".mjs",
+    },
+    bundle: true,
+    minify: false,
+    splitting: true,
+    format: "esm",
+    platform: "neutral",
+    external: ["module"],
+    plugins: [
+      copy({
+        resolveFrom: "cwd",
+        assets: {
+          from: [
+            "./examples/debug-src/generated/libavoid.wasm",
+            "./examples/debug-src/generated/libavoid.wasm.map",
+          ],
+          to: ["./examples/debug-dist"],
+        },
+        watch: true,
+      }),
+    ],
+  })
+  .catch(() => process.exit(1));
+
+// release cjs
+// esbuild
+//     .build({
+//         entryPoints: ['src/index.js'],
+//         outdir: 'dist',
+//         outExtension: {
+//             '.js': '.cjs'
+//         },
+//         bundle: true,
+//         sourcemap: true,
+//         minify: true,
+//         platform: 'node',
+//         target: ['node10.4']
+//     })
+//     .catch(() => process.exit(1));

examples/benchmark.js

@@ -1,4 +1,4 @@
-import initAvoid from "./libavoid.js";
+import { AvoidLib } from './dist/index.mjs';
 
 let Avoid;
 
@@ -438,7 +438,9 @@ function route() {
 
 /* Test 1: full router creation & routing */
 async function test_1() {
-  Avoid = await initAvoid();
+  await AvoidLib.load();
+  Avoid = AvoidLib.getInstance();
+
   const measurements = [];
   for (let i = 0; i < 100; i++) {
     const startTime = performance.now();
@@ -460,7 +462,9 @@ function moveShape(router, shape) {
 
 /* Test 2: create router once and move one shape repeatedly */
 async function test_2() {
-  Avoid = await initAvoid();
+  await AvoidLib.load();
+  Avoid = AvoidLib.getInstance();
+
   const measurements = [];
   const [router, shape] = prepareRouter();
   for (let i = 0; i < 100; i++) {
@@ -483,7 +487,9 @@ async function test_2() {
 
 /* Test 3: measure processing transactions without actions */
 async function test_3() {
-  Avoid = await initAvoid();
+  await AvoidLib.load();
+  Avoid = AvoidLib.getInstance();
+
   const measurements = [];
   const [router] = prepareRouter();
   for (let i = 0; i < 100; i++) {