webpack.prod.config.js

const path = require('path');
const HtmlWebPackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const UglifyJsPlugin = require('uglifyjs-webpack-plugin');
const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');
// const BundleAnalyzerPlugin = require('webpack-bundle-analyzer')
//   .BundleAnalyzerPlugin;

module.exports = {
  entry: { main: './src/index.js' },
  output: {
    path: path.join(__dirname, 'dist'),
    publicPath: '/',
    filename: '[name].js'
  },
  target: 'web',
  devtool: '#source-map',
  optimization: {
    minimizer: [
      new UglifyJsPlugin({
        cache: true,
        parallel: true,
        sourceMap: false
      }),
      new OptimizeCSSAssetsPlugin({})
    ]
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader'
        }
      },
      {
        test: /\.html$/,
        use: [
          {
            loader: 'html-loader'
          }
        ]
      },
      {
        test: /\.scss$/,
        use: [MiniCssExtractPlugin.loader, 'css-loader', 'sass-loader']
      },
      {
        test: /\.(png|svg|jpg|gif|ico)$/,
        use: [{ loader: 'url-loader' }]
      },
      {
        test: /\.(wav)$/,
        include: /client/,
        query: {
          name: 'media/[name].[ext]'
        },
        loader: 'file-loader'
      }
    ]
  },
  plugins: [
    new HtmlWebPackPlugin({
      favicon: './src/client/img/lizard.png',
      template: './src/client/html/index.html',
      filename: './index.html'
    }),
    new MiniCssExtractPlugin({
      filename: '[name].css',
      chunkFilename: '[id].css'
    })
    // new BundleAnalyzerPlugin()
  ]
};