chore: add benchmark suite using @twada/benchmark-commits

twada · twada · commit 665c4dd73bb4 · 2022-08-01T16:45:25.000+09:00
diff --git a/bench.mjs b/bench.mjs
@@ -0,0 +1,31 @@
+import { runBenchmark } from '@twada/benchmark-commits';
+import { parse } from 'acorn';
+import { readFileSync } from 'node:fs';
+import { join, dirname } from 'node:path';
+import { fileURLToPath, pathToFileURL } from 'node:url';
+import assert from 'node:assert/strict';
+const __dirname = dirname(fileURLToPath(import.meta.url));
+const targetCode = readFileSync(join(__dirname, 'node_modules', 'rimraf', 'rimraf.js'));
+
+const commits = [
+  'v1.6.0',
+  'master'
+];
+
+runBenchmark(commits, async ({ suite, spec, dir }) => {
+  let unassertAst;
+  if (spec.git === 'v1.6.0') {
+    unassertAst = (await import(pathToFileURL(`${dir}/index.js`))).default;
+  } else if (spec.git === 'master') {
+    unassertAst = (await import(pathToFileURL(`${dir}/src/index.mjs`))).unassertAst;
+  } else {
+    assert.fail('cannot be here');
+  }
+  return () => {
+    const ast = parse(targetCode, { ecmaVersion: '2022' });
+    const modifiedAst = unassertAst(ast);
+    assert(modifiedAst);
+  };
+}).then((suite) => {
+  console.log('FINISHED');
+});
