feat: bench js

.github/workflows/ci.yml

@@ -375,13 +375,21 @@ jobs:
       - name: Build Benchmark
         run: cargo codspeed build -p rspack_benchmark --features codspeed
 
-      - name: Run benchmark
+      - name: Run Rust benchmark
         uses: CodSpeedHQ/action@v3
         timeout-minutes: 30
         with:
           run: cargo codspeed run
           token: ${{ secrets.CODSPEED_TOKEN }}
 
+      - name: Run JavaScript benchmark
+        uses: CodSpeedHQ/action@v3
+        timeout-minutes: 30
+        with:
+          working-directory: "packages/bench"
+          run: pnpm run bench
+          token: ${{ secrets.CODSPEED_TOKEN }}
+
   run_benchmark:
     name: Run benchmark
     runs-on: ubuntu-latest

packages/bench/index.js

@@ -0,0 +1,22 @@
+import { Bench } from "tinybench";
+import { withCodSpeed } from "@codspeed/tinybench-plugin";
+
+function fibonacci(n) {
+    if (n < 2) {
+        return n;
+    }
+    return fibonacci(n - 1) + fibonacci(n - 2);
+}
+
+const bench = withCodSpeed(new Bench());
+
+bench
+    .add("fibonacci10", () => {
+        fibonacci(10);
+    })
+    .add("fibonacci15", () => {
+        fibonacci(15);
+    });
+
+await bench.run();
+console.table(bench.table());

packages/bench/package.json

@@ -0,0 +1,15 @@
+{
+    "name": "bench",
+    "private": true,
+    "license": "MIT",
+    "type": "module",
+    "scripts": {
+        "bench": "node index.js"
+    },
+    "devDependencies": {
+        "@codspeed/tinybench-plugin": "^4.0.0",
+        "@rspack/cli": "workspace:*",
+        "@rspack/core": "workspace:*",
+        "tinybench": "^3.0.7"
+    }
+}