feat!: drop cjs build

Author: sxzz

package.json

@@ -31,38 +31,14 @@
   "module": "dist/index.js",
   "types": "dist/index.d.ts",
   "exports": {
-    ".": {
-      "require": "./dist/index.cjs",
-      "import": "./dist/index.js"
-    },
-    "./vite": {
-      "require": "./dist/vite.cjs",
-      "import": "./dist/vite.js"
-    },
-    "./webpack": {
-      "require": "./dist/webpack.cjs",
-      "import": "./dist/webpack.js"
-    },
-    "./rspack": {
-      "require": "./dist/rspack.cjs",
-      "import": "./dist/rspack.js"
-    },
-    "./rollup": {
-      "require": "./dist/rollup.cjs",
-      "import": "./dist/rollup.js"
-    },
-    "./rolldown": {
-      "require": "./dist/rolldown.cjs",
-      "import": "./dist/rolldown.js"
-    },
-    "./esbuild": {
-      "require": "./dist/esbuild.cjs",
-      "import": "./dist/esbuild.js"
-    },
-    "./api": {
-      "require": "./dist/api.cjs",
-      "import": "./dist/api.js"
-    },
+    ".": "./dist/index.js",
+    "./vite": "./dist/vite.js",
+    "./webpack": "./dist/webpack.js",
+    "./rspack": "./dist/rspack.js",
+    "./rollup": "./dist/rollup.js",
+    "./rolldown": "./dist/rolldown.js",
+    "./esbuild": "./dist/esbuild.js",
+    "./api": "./dist/api.js",
     "./*": "./*"
   },
   "typesVersions": {
@@ -75,8 +51,8 @@
   },
   "scripts": {
     "test": "vitest",
-    "build": "tsup",
-    "dev": "tsup --watch",
+    "build": "tsdown",
+    "dev": "tsdown --watch",
     "release": "bumpp",
     "lint": "eslint --max-warnings 0 .",
     "typecheck": "tsc --noEmit",
@@ -111,9 +87,8 @@
     "rollup-plugin-esbuild": "^6.2.0",
     "slash": "^5.1.0",
     "source-map-js": "^1.2.1",
-    "tsup": "^8.3.6",
+    "tsdown": "^0.5.7",
     "typescript": "^5.7.3",
-    "unplugin-unused": "^0.4.0",
     "vitest": "^3.0.5",
     "webpack": "^5.97.1"
   },