Enable codspeed performance measuring in CI

.github/workflows/ci.yml

@@ -1,5 +1,13 @@
 name: CI
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'master' # or "master"
+  pull_request:
+  # `workflow_dispatch` allows CodSpeed to trigger backtest
+  # performance analysis in order to generate initial data.
+  workflow_dispatch:
+
 jobs:
 
   lint:
@@ -22,7 +30,6 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         node-version:
-          - 14.x
           - 16.x
           - 18.x
           - 20.x
@@ -61,3 +68,16 @@ jobs:
         with:
           github-token: ${{ secrets.github_token }}
           parallel-finished: true
+
+  benchmarks:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: "actions/checkout@v3"
+      - uses: "actions/setup-node@v3"
+      - name: Install dependencies
+        run: yarn install
+      - name: Run benchmarks
+        uses: CodSpeedHQ/action@v2
+        with:
+          run: node perf/benchmark.js
+          token: ${{ secrets.CODSPEED_TOKEN }}

package.json

@@ -47,6 +47,7 @@
     "test"
   ],
   "devDependencies": {
+    "@codspeed/tinybench-plugin": "^3.1.0",
     "@rubensworks/eslint-config": "^1.0.0",
     "@types/jest": "^29.0.0",
     "@types/n3": "^1.10.4",
@@ -68,6 +69,7 @@
     "n3": "^1.16.3",
     "pre-commit": "^1.2.2",
     "streamify-array": "^1.0.1",
+    "tinybench": "^2.8.0",
     "ts-jest": "^29.0.0",
     "typescript": "^5.0.0",
     "yargs": "^17.7.1"

perf/benchmark.ts

@@ -0,0 +1,26 @@
+import { withCodSpeed } from '@codspeed/tinybench-plugin';
+import { Bench } from 'tinybench';
+import { PerformanceTest } from './PerformanceTest';
+import { makeTests } from './tests';
+
+const bench = withCodSpeed(new Bench({
+  warmupIterations: 0,
+  iterations: 1,
+}));
+const dimension = 64;
+const scope = 'all';
+
+for (const test of makeTests(true)) {
+  if (test.name !== 'N3Store') {
+    bench.add(test.name, async() => {
+      await new PerformanceTest([ test ], dimension).run(scope);
+    });
+  }
+}
+
+// eslint-disable-next-line @typescript-eslint/no-floating-promises
+(async function() {
+  await bench.run();
+  // eslint-disable-next-line no-console
+  console.table(bench.table());
+})();