更新时间：
2018-7-31 首次更新.
先生成package.json
npm init -y
再安装以下npm插件
npm i babel-core babel-loader babel-preset-es2015 webpack -D && npm i -g webpack-cli
看起来应该是这样的（除版本号外），详细的配置文件不细说
webpack.config.js
1 const path = require(‘path‘); 2 module.exports = { 3 ????// 入口 4 ????// 一旦package.json里面配置了webpack --mode=production,下面的mode:‘production‘就不必了 5 ????// mode:‘production‘, 6 ????entry:path.resolve(__dirname,‘app.js‘), 7 ????output: { 8 ????????// 出口重命名js 9 ????????filename: ‘bundle.js‘,10 ????????// 出口文件夹名11 ????????path:path.resolve(__dirname,‘build‘),12 ????},13 ????module:{14 ????????rules:[15 ????????????{16 ????????????????test:/(\.jsx|\.js)$/,17 ????????????????use:{18 ????????????????????loader:"babel-loader",19 ????????????????????options:{20 ????????????????????????presets:[21 ????????????????????????????"env"22 ????????????????????????]23 ????????????????????}24 ????????????????},25 ????????????????exclude:path.resolve(__dirname,"node_modules"),26 ????????????????include:path.resolve(__dirname,"src")27 ????????????}28 ????????]29 ????}30 }入口文件为app.js，你可以随意写路径或者更改js.
运行命令：npm run start
正确的运行代码应该是这样的(无报错，无警告)，不过最开始运行时产生了一条警告（https://webpack.js.org/concepts/mode/）
es6 ?webpack转es5
原文地址：https://www.cnblogs.com/cisum/p/9395456.html