initial

.github/workflows/ci.yaml

@@ -0,0 +1,39 @@
+name: ci
+
+on: [push]
+
+jobs:
+  test:
+    name: Test
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        node-version: [20.x]
+        deno-version: [1.40.x]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v1
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Use Deno Version ${{ matrix.deno-version }}
+        uses: denolib/setup-deno@master
+        with:
+          deno-version: ${{ matrix.deno-version }}
+      - name: npm install
+        run: npm ci
+        env:
+          CI: true
+      - name: build
+        run: npm run build
+        env:
+          CI: true
+      - name: vitest
+        run: npm run test
+        env:
+          CI: true
+      - name: deno lint
+        run: |
+          cd deno-bootstrap
+          deno lint

.gitignore

@@ -1,2 +1,3 @@
 node_modules
-.DS_Store
+.DS_Store
+dist

deno-bootstrap/deno.json

@@ -0,0 +1 @@
+{"lock": false}

deno-bootstrap/index.ts

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+const scriptType = Deno.args[0];
+const script = Deno.args[1];
+
+const importURL =
+  scriptType == "import"
+    ? script
+    : "data:text/tsx," + encodeURIComponent(script);
+
+const server = Deno.listen({
+  hostname: "0.0.0.0",
+  port: 0,
+});
+
+const addr = server.addr as Deno.NetAddr;
+
+console.log(`deno-listening-port ${addr.port.toString().padStart(5, " ")} `);
+
+// Now that we're listening, start executing user-provided code. We could
+// import while starting the server for a small performance improvement,
+// but it would complicate reading the port from the Deno logs.
+const handler = await import(importURL);
+if (!handler.default) {
+  throw new Error("No default export found in script.");
+}
+if (typeof handler.default !== "function") {
+  throw new Error("Default export is not a function.");
+}
+
+const conn = await server.accept();
+(async () => {
+  // Reject all additional connections.
+  for await (const conn of server) {
+    conn.close();
+  }
+})();
+
+// serveHttp is deprecated, but we don't have many other options if we'd like to
+// keep this pattern of rejecting future connections at the TCP level.
+// https://discord.com/channels/684898665143206084/1232398264947445810/1234614780111880303
+//
+// deno-lint-ignore no-deprecated-deno-api
+const httpConn = Deno.serveHttp(conn);
+for await (const requestEvent of httpConn) {
+  (async () => {
+    let req = requestEvent.request;
+    const url = new URL(req.url);
+    url.host = req.headers.get("X-Deno-Worker-Host") || url.host;
+    url.protocol = req.headers.get("X-Deno-Worker-Protocol") + ":";
+    url.port = req.headers.get("X-Deno-Worker-Port") || url.port;
+    req = new Request(url.toString(), req);
+    req.headers.delete("X-Deno-Worker-Host");
+    req.headers.delete("X-Deno-Worker-Protocol");
+    req.headers.delete("X-Deno-Worker-Port");
+
+    await requestEvent.respondWith(handler.default(req));
+  })();
+}