react-conf-videos/webpack.prod.js at develop · simonccarter/react-conf-videos · GitHub

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const path = require('path');
const webpack = require('webpack');
const TerserPlugin = require('terser-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer');
const ScriptExtHtmlWebpackPlugin = require('script-ext-html-webpack-plugin');
const ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin');

module.exports = {
  mode: 'production',
  entry: {
    app: './src/index.tsx'
  },
  output: {
    path: path.resolve(__dirname, 'dist'),
    publicPath: '/',
    filename: '[name].[hash].js'
  },
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        loader: 'babel-loader',
        exclude: /node_modules/
      },
      {
        test: /\.scss$/,
        use: [
          'style-loader',
          'css-loader?modules&localIdentName=[name]__[local]___[hash:base64:5]',
          {
            loader: 'sass-loader',
            options: {
              data: '@import "_colors";',
              implementation: require("sass"),
              includePaths: [path.resolve(__dirname, './src/styles/')]
            }
          }
        ]
      },
      {
        test: /\.(png|svg|jpg|gif)$/,
        use: ['file-loader']
      }
    ]
  },
  resolve: {
    extensions: ['.js', '.ts', '.tsx', '.scss'],
    modules: [
      path.resolve(__dirname, 'src'),
      path.resolve(__dirname, 'public'),
      'node_modules'
    ]
  },
  stats: {
    maxModules: 40000,
    exclude: undefined,
    moduleTrace: true
  },
  optimization: {
    concatenateModules: true,
    minimizer: [
      new TerserPlugin({
        parallel: true,
        terserOptions: {
          ie8: false,
          output: {
            comments: false
          },
          ecma: 6
        }
      })
    ],
    splitChunks: {
      name: true,
      cacheGroups: {
        commons: {
          chunks: 'initial',
          minChunks: 2
        },
        vendors: {
          test: /[\\/]node_modules[\\/]/,
          chunks: 'all',
          priority: -10
        }
      }
    },
    runtimeChunk: true
  },
  plugins: [
    new ForkTsCheckerWebpackPlugin(),
    new HtmlWebpackPlugin({
      template: './public/index.html',
      filename: 'index.html',
      inject: 'body',
      minify: {
        collapseWhitespace: true,
        collapseInlineTagWhitespace: true,
        removeComments: true,
        removeRedundantAttributes: true
      }
    }),
    new BundleAnalyzerPlugin({
      analyzerMode: 'disabled'
    }),
    new ScriptExtHtmlWebpackPlugin({
      defaultAttribute: 'defer'
    }),
    new CopyWebpackPlugin([{ from: 'public' }]),
    new webpack.DefinePlugin({
      'process.env.NODE_ENV': JSON.stringify('production')
    })
  ]
};