webpack.config.prod.js

import path from 'path';
// import webpack from 'webpack';
import HtmlWebpackPlugin from 'html-webpack-plugin';
import MiniCssExtractPlugin from 'mini-css-extract-plugin';

//deprecated webpackmd5hash
// import WebpackMd5Hash from 'webpack-md5-hash';

export default {
  mode: 'production',
  entry: {
    vendor: path.resolve(__dirname, 'src/vendor'),
    main: path.resolve(__dirname, 'src/index')
  },
  devtool: 'source-map',
  target: 'web',
  plugins: [
    new MiniCssExtractPlugin({
      filename: '[name].[contenthash].bundle.css',
      chunkFilename: '[id].[contenthash].bundle.css'
    }),
    new HtmlWebpackPlugin({
      template: 'src/index.html',
      minify: {
        removeComments: true,
        collapseWhitespace: true,
        removeRedundantAttributes: true,
        useShortDoctype: true,
        removeEmptyAttributes: true,
        removeStyleLinkTypeAttributes: true,
        keepClosingSlash: true,
        minifyJS: true,
        minifyCSS: true,
        minifyURLs: true
      },
      inject: true,
      title: 'Production',
    }),
  ],
  output: {
    path: path.resolve(__dirname, 'dist'),
    publicPath: '/',
    filename: '[name].[contenthash].bundle.js'
  },
  optimization: {
    splitChunks: {
      chunks: 'all',
    }
  },
  module: {
    rules: [
      {
        test: /\.css$/,
        use: [MiniCssExtractPlugin.loader, 'css-loader'],
      }
    ]
  }
}