webpack.config.js

const webpack = require('webpack');
const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');

const config = {
  entry: [
    'react-hot-loader/patch',
    './src/index.tsx'
  ],
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: '[name].[contenthash].js'
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        use: 'babel-loader',
        exclude: /node_modules/
      },
      {
        test: /\.css$/,
        use: [
          'style-loader',
          'css-loader'
        ]
      },
      {
        test: /\.ts(x)?$/,
        use: [
          'awesome-typescript-loader'
        ],
        exclude: /node_modules/
      },
      {
        test: /\.svg$/,
        use: 'file-loader'
      },
      {
        test: /\.png$/,
        use: [
          {
            loader: 'url-loader',
            options: {
              mimetype: 'image/png'
            }
          }
        ]
      },
      {
        test: /\.jpe?g$|\.ico$|\.gif$|\.woff$|\.ttf$|\.wav$|\.mp3$/,
        loader: 'file-loader?name=[name].[ext]'  // <-- retain original file name
      }
    ]
  },
  resolve: {
    extensions: [
      '.js',
      '.jsx',
      '.tsx',
      '.ts'
    ],
    alias: {
      'react-dom': '@hot-loader/react-dom'
    }
  },
  devServer: {
    contentBase: './dist'
  },
  plugins: [
    new HtmlWebpackPlugin({
        template: require('html-webpack-template'),
        inject: false,
        appMountId: 'app',
        favicon: './assets/images/favicon.ico',
        title: 'React TS Hooks Boilerplate',
      })
  ],
  optimization: {
    runtimeChunk: 'single',
    splitChunks: {
      cacheGroups: {
        vendor: {
          test: /[\\/]node_modules[\\/]/,
          name: 'vendors',
          chunks: 'all'
        }
      }
    }
  }
};

module.exports = (env, argv) => {
  if (argv.hot) {
    // Cannot use 'contenthash' when hot reloading is enabled.
    config.output.filename = '[name].[hash].js';
  }

  return config;
};