fix: make esm loader happy

Author: erikwrede

.github/workflows/codspeed.yml

@@ -0,0 +1,25 @@
+name: CodSpeed Benchmarks
+
+on:
+  push:
+    branches:
+      - "main" # or "master"
+  pull_request:
+  # `workflow_dispatch` allows CodSpeed to trigger backtest
+  # performance analysis in order to generate initial data.
+  workflow_dispatch:
+
+jobs:
+  benchmarks:
+    name: Run benchmarks
+    runs-on: ubuntu-latest
+    steps:
+      - uses: "actions/checkout@v4"
+      - uses: "actions/setup-node@v3"
+      - name: Install dependencies
+        run: npm install
+      - name: Run benchmarks
+        uses: CodSpeedHQ/action@v3
+        with:
+          run: node benches/bench.mjs
+          token: ${{ secrets.CODSPEED_TOKEN }}

package.json

@@ -34,7 +34,7 @@
     "fuzzonly": "mocha --full-trace src/**/__tests__/**/*-fuzz.ts",
     "changelog": "node --loader ts-node/esm resources/gen-changelog.ts",
     "benchmark": "node --loader ts-node/esm resources/benchmark.ts",
-    "codspeed": "node --loader ts-node/esm resources/tinybench.ts",
+    "codspeed": "node --loader ts-node/esm resources/use-tinybench.ts",
     "test": "npm run lint && npm run check && npm run testonly:cover && npm run prettier:check && npm run check:spelling && npm run check:integrations",
     "lint": "eslint --cache --max-warnings 0 --rulesdir resources/eslint-internal-rules/ .",
     "check": "tsc --pretty",

resources/codspeed-benchmarks.mjs

@@ -0,0 +1,26 @@
+import { withCodSpeed } from '@codspeed/tinybench-plugin';
+import { Bench } from 'tinybench';
+import path from 'node:path';
+import fs from 'node:fs';
+
+
+async function loadBenchmarks() {
+  const benchmarkDir = path.resolve('file:///var/folders/pb/xgxvrz094n7c09ltjpf6k0xm0000gq/T/graphql-js-benchmark/setup/local');
+  const files = fs.readdirSync(benchmarkDir).filter(file => file.endsWith('-benchmark.js'));
+
+  const bench = withCodSpeed(new Bench());
+
+  for (const file of files) {
+    const filePath = path.join(benchmarkDir, file);
+    // eslint-disable-next-line no-await-in-loop
+    const { benchmark } = await import(filePath);
+    bench.add(benchmark.name, benchmark.measure);
+  }
+
+  await bench.warmup();
+  await bench.run();
+  console.log(bench.table());
+}
+
+console.log('Running benchmarks...');
+loadBenchmarks();

resources/tinybench.ts resources/use-tinybench.ts

@@ -1,7 +1,6 @@
 import cp from 'node:child_process';
 import fs from 'node:fs';
 import path from 'node:path';
-import url from 'node:url';
 
 import { git, localRepoPath, makeTmpDir, npm } from './utils.js';
 
@@ -94,14 +93,7 @@ function prepareBenchmarkProject(
   }
 }
 
-interface BenchmarkSample {
-  name: string;
-  clocked: number;
-  memUsed: number;
-  involuntaryContextSwitches: number;
-}
-
-function sampleModule(modulePath: string): BenchmarkSample {
+function sampleModule(modulePath: string): void {
   // To support Windows we need to use URL instead of path
   //const moduleURL = url.pathToFileURL(modulePath);