chore: refactor npm commands

Author: Yukaii

nodejs/package.json

@@ -5,8 +5,9 @@
   "main": "dist/index.js",
   "declaration": "./dist/index.d.ts",
   "scripts": {
-    "build": "rimraf dist && tsc -d",
-    "watch": "tsc -w",
+    "clean": "rimraf dist",
+    "build": "npm run clean && tsc -d",
+    "watch": "npm run clean && tsc -w",
     "prepublishOnly": "npm run build",
     "lint": "eslint src --fix --ext .ts"
   },