webpack.config.ts

import * as HtmlWebpackPlugin from 'html-webpack-plugin';
import * as InlineManifestWebpackPlugin from 'inline-manifest-webpack-plugin';
import * as path from 'path';
import * as webpack from 'webpack';

import ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin');

const SERVER_PORT = process.env.SERVER_PORT || 3001;
const SERVER_HOSTNAME = process.env.SERVER_HOSTNAME || 'localhost';

const config: webpack.Configuration = {
  mode: 'development',
  devtool: 'cheap-module-source-map',
  entry: [
    'webpack/hot/dev-server',
    `webpack-dev-server/client?http://${SERVER_HOSTNAME}:${SERVER_PORT}`,
    path.join(__dirname, 'src', 'index.tsx'),
  ],
  output: {
    path: path.join(__dirname, 'dist'),
    filename: 'assets/[name].js',
    chunkFilename: 'assets/[name].js',
    publicPath: '/',
  },
  plugins: [
    new webpack.DefinePlugin({
      'process.env': {
        AUTH0_CLIENT_ID: JSON.stringify(process.env.AUTH0_CLIENT_ID),
        AUTH0_DOMAIN: JSON.stringify(process.env.AUTH0_DOMAIN),
        GA_ID: JSON.stringify(process.env.GA_ID),
      },
    }),
    new webpack.ContextReplacementPlugin(/moment[/\\]locale$/, /en/),
    new webpack.HotModuleReplacementPlugin(),
    new HtmlWebpackPlugin({
      title: 'Starter Pack | 603.nz',
      template: path.join(__dirname, 'src', 'index.ejs'),
      favicon: path.join(__dirname, 'src', 'favicon.ico'),
      meta: [
        {
          name: 'description',
          content: 'React + Redux + Auth0',
        },
      ],
      minify: {
        collapseWhitespace: true,
      },
    }),
    new InlineManifestWebpackPlugin(),
    new ForkTsCheckerWebpackPlugin({
      async: false,
      eslint: {
        files: './src/**/*.{ts,tsx,js,jsx}', // required - same as command `eslint ./src/**/*.{ts,tsx,js,jsx} --ext .ts,.tsx,.js,.jsx`
      },
    }),
  ],
  optimization: {
    runtimeChunk: 'single',
    splitChunks: {
      chunks: 'all',
      cacheGroups: {
        default: false,
        vendor: {
          name: 'vendor',
          chunks: 'all',
          test: /[\\/]node_modules[\\/]/,
          priority: 20,
        },
        utilities: {
          test: /[\\/]node_modules[\\/](immutable|moment|react|react-dom|react-loading)[\\/]/,
          name: 'utilities',
          priority: 30,
        },
        common: {
          name: 'async-common',
          minChunks: 2,
          chunks: 'async',
          priority: 10,
          reuseExistingChunk: true,
          enforce: true,
        },
      },
    },
  },
  resolve: {
    extensions: ['.ts', '.tsx', '.js', '.jsx', '.css', '.json'],
    modules: [
      path.join(__dirname, 'src'),
      path.join(__dirname, 'node_modules'),
    ],
  },
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        include: path.join(__dirname, 'src'),
        use: [{
          loader: 'ts-loader',
          options: {
            transpileOnly: true,
            experimentalWatchApi: true,
          },
        }],
      },
      {
        test: /\.js$/,
        use: ['source-map-loader'],
        include: path.join(__dirname, 'src'),
        enforce: 'pre',
      },
      {
        test: /\.css?$/,
        include: path.join(__dirname, 'src'),
        use: [
          {
            loader: 'style-loader',
          },
          {
            loader: 'css-loader',
            options: {
              modules: {
                mode: 'local',
                localIdentName: '[path][name]__[local]--[hash:base64:5]',
              },
            },
          },
        ],
      },
      {
        test: /\.(jpe?g|png|gif|svg|ico)$/,
        include: path.join(__dirname, 'src'),
        use: [{
          loader: 'url-loader',
          options: {
            limit: 10240,
            esModule: false,
          },
        }],
      },
    ],
  },
};

export default config;