处理ES6

通过babel-loader进行es6转es5,安装babel-loader后,在项目根目录新建.babelrcbabel配置文件

// babelrc
// @babel/preset-env用于处理ES6语法
{
  "presets": ["@babel/preset-env"],
  "plugins": []
}
// webpack config
module.exports = {
  module: {
    rules: [
      {
        test: /\.js$/,
        include: srcPath,
        exclude: /node_modules/,
        use: ['babel-loader']
      }
    ]
  }
}

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