chore(benchmark): add micro-benchmark runner

Author: klmhyeonwoo

benchmark/index.mjs

@@ -0,0 +1,70 @@
+import { performance } from "node:perf_hooks";
+import * as corekit from "../dist/bundle/kr-corekit.js";
+
+const {
+  chunk,
+  flattenDeep,
+  get,
+  merge,
+  camelCase,
+  isEqual,
+  map,
+  mean,
+  mapAsync,
+} = corekit;
+
+function run(name, fn, iterations = 20000) {
+  fn();
+  const startedAt = performance.now();
+
+  for (let index = 0; index < iterations; index++) {
+    fn();
+  }
+
+  const elapsed = performance.now() - startedAt;
+  const opsPerSec = Math.round((iterations / elapsed) * 1000);
+
+  return { name, iterations, elapsedMs: elapsed.toFixed(2), opsPerSec };
+}
+
+async function runAsync(name, fn, iterations = 2000) {
+  await fn();
+  const startedAt = performance.now();
+
+  for (let index = 0; index < iterations; index++) {
+    await fn();
+  }
+
+  const elapsed = performance.now() - startedAt;
+  const opsPerSec = Math.round((iterations / elapsed) * 1000);
+
+  return { name, iterations, elapsedMs: elapsed.toFixed(2), opsPerSec };
+}
+
+const sampleArray = Array.from({ length: 1000 }, (_, index) => index);
+const nestedArray = [1, [2, [3, [4, [5, [6]]]]]];
+const deepObject = { user: { profile: { address: { city: "Seoul" } } } };
+const mergeTarget = { a: { b: 1 }, c: [1, 2, 3] };
+const mergeSource = { a: { d: 2 }, c: [3, 4], e: true };
+
+const syncResults = [
+  run("array.chunk", () => chunk(sampleArray, 25)),
+  run("array.flattenDeep", () => flattenDeep(nestedArray)),
+  run("object.get", () => get(deepObject, "user.profile.address.city")),
+  run("object.merge", () => merge({ ...mergeTarget }, mergeSource), 5000),
+  run("string.camelCase", () => camelCase("kr corekit benchmark sample")),
+  run("lang.isEqual", () => isEqual({ x: [1, 2] }, { x: [1, 2] }), 10000),
+  run("collection.map", () => map({ a: 1, b: 2, c: 3 }, (v) => v * 2)),
+  run("math.mean", () => mean([1, 2, 3, 4, 5])),
+];
+
+const asyncResults = [
+  await runAsync(
+    "async.mapAsync",
+    () => mapAsync([1, 2, 3, 4], async (value) => value * 2),
+    1000
+  ),
+];
+
+console.log("Benchmark Results");
+console.table([...syncResults, ...asyncResults]);

package.json

@@ -123,6 +123,7 @@
   },
   "scripts": {
     "build": "tsc && vite build",
+    "benchmark": "npm run build && node benchmark/index.mjs",
     "build:analyze": "npm run build && npm run analyze:bundle",
     "analyze:bundle": "echo 'Bundle Analysis:' && du -h dist/bundle/* && echo '\\nGzipped sizes:' && gzip -c dist/bundle/kr-corekit.js | wc -c | awk '{print \"ESM: \" $1/1024 \" KB\"}' && gzip -c dist/bundle/kr-corekit.cjs | wc -c | awk '{print \"CJS: \" $1/1024 \" KB\"}'",
     "pack:preview": "npm pack --dry-run",