perf: add suite for un-undefined

benches/.gitignore

@@ -0,0 +1,2 @@
+/*.json
+/*.html

benches/package.json

@@ -0,0 +1,16 @@
+{
+  "name": "@wakaru/benches",
+  "type": "module",
+  "version": "0.0.0",
+  "private": true,
+  "author": "Pionxzh",
+  "license": "MIT",
+  "main": "src/index.ts",
+  "scripts": {
+    "lint": "eslint src",
+    "lint:fix": "eslint src --fix"
+  },
+  "devDependencies": {
+    "benny": "^3.7.1"
+  }
+}

benches/un-undefined.ts

@@ -0,0 +1,41 @@
+#!/usr/bin/env npx tsx
+
+import { dirname } from 'node:path'
+import { fileURLToPath } from 'node:url'
+import { add, complete, cycle, save, suite } from 'benny'
+import { runTransformations, transformationMap } from '../packages/unminify/src/index'
+
+const __dirname = dirname(fileURLToPath(import.meta.url))
+
+const title = 'un-undefined'
+const rule = transformationMap[title]
+const snippet = `
+void 0;
+void 99;
+`
+
+const main = async () => {
+    await suite(
+        title,
+        ...([10, 100, 1000, 5000].map((count) => {
+            const source = snippet.repeat(count)
+            return add(`items=${count}`, () => {
+                runTransformations({ path: '', source }, [rule])
+            })
+        })),
+        cycle(),
+        complete(),
+        save({
+            file: title,
+            folder: __dirname,
+            format: 'json',
+        }),
+        save({
+            file: title,
+            folder: __dirname,
+            format: 'chart.html',
+        }),
+    )
+}
+
+main()

pnpm-workspace.yaml

@@ -1,4 +1,5 @@
 packages:
+  - 'benches'
   - 'packages/*'
   # exclude testcases
   - '!testcases/*'