改用yarn：調整package.json檔案中scripts區段內包含npm run的字串改為yarn

package.json

@@ -1,12 +1,12 @@
 {
     "private": true,
     "scripts": {
-        "dev": "npm run development",
+        "dev": "yarn development",
         "development": "cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
-        "watch": "npm run development -- --watch",
-        "watch-poll": "npm run watch -- --watch-poll",
+        "watch": "yarn development -- --watch",
+        "watch-poll": "yarn watch -- --watch-poll",
         "hot": "cross-env NODE_ENV=development node_modules/webpack-dev-server/bin/webpack-dev-server.js --inline --hot --config=node_modules/laravel-mix/setup/webpack.config.js",
-        "prod": "npm run production",
+        "prod": "yarn production",
         "production": "cross-env NODE_ENV=production node_modules/webpack/bin/webpack.js --no-progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js"
     },
     "devDependencies": {

public/mix-manifest.json

@@ -1,4 +1,4 @@
 {
     "/js/app.js": "/js/app.js",
     "/css/app.css": "/css/app.css"
-}
+}