// webpack.config.js

module.exports = {
  // webpack会根据mode进行对Js打包，development压缩，production下面自动压缩，亲测没有问题
  mode: 'development' // production
}

const optimizeCss = require('optimize-css-assets-webpack-plugin');
module.exports = {  
  .....,
  //
  plugins: [
    new optimizeCss({
      assetNameRegExp: /\.style\.css$/g,
      cssProcessor: require('cssnano'),
      cssProcessorOptions: { discardComments: { removeAll: true } },
      canPrint: true
    }),
  ],
  // 这个还待研究，看字面意思是优化的意思
  optimization: {
    // minimize: true,
    minimizer: [new optimizeCss({})],

  }  
}