clean-webpack-plugin

clean-webpack-plugin

npm i --save-dev clean-webpack-plugin   

const CleanWebpackPlugin = require('clean-webpack-plugin'); //使用前須要安裝clean-webpack-plugin

new CleanWebpackPlugin(
     ['dist/main.*.js','dist/manifest.*.js'],　 //匹配刪除的文件
     {
         root: __dirname,  //根目錄
         verbose:  true,  //開啓在控制檯輸出信息
         dry: false    //啓用刪除文件
     });