TerserPlugin 压缩 JS

const TerserPlugin = require("terser-webpack-plugin")
module.exports = {
  mode: 'production',
  optimization: {
    minimize: true, // 启用 minimizer
    minimizer: [
      new CssMinimizerPlugin(),
      new TerserPlugin({
        extractComments: false // 不生成LICENSE
      })
    ]
  },
  plugins: [
    new CleanWebpackPlugin(),
    new CopyWebpackPlugin({
      patterns: [
        {
          from: 'public',
          globOptions: {
            ignore: ['**/index.html']
          }
        }
      ]
    }),
    new MiniCssExtractPlugin({
      filename: 'css/[name].[hash:8].css'
    })
  ]
}