webpack.config.prod.js

const { resolve } = require('path');
const webpack = require('webpack');

module.exports = {
  entry: [
    './index.tsx'
    // the entry point of our app
  ],
  output: {
    filename: 'bundle.js',
    // the output bundle

    path: resolve(__dirname, 'dist'),

    publicPath: '/'
    // necessary for HMR to know where to load the hot update chunks
  },

  context: resolve(__dirname, 'src'),

  devtool: 'cheap-module-source-map',

  devServer: {
    hot: false,
    contentBase: resolve(__dirname, 'dist'),
    // match the output path

    publicPath: '/'
    // match the output `publicPath`
  },

  resolve: {
    extensions: [".js", ".jsx", ".ts", ".tsx"]
  },
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        use: [
          'babel-loader',
        ],
        exclude: /node_modules/
      },
      {
        test: /\.tsx?$/,
        use: [
          'awesome-typescript-loader'
        ],
        exclude: /node_modules/
      },
      {
        test: /\.css$/,
        use: [
          'style-loader',
          'css-loader?modules',
          'postcss-loader',
        ],
      },
      {
        test: /\.scss$/,
        use: [
          'style-loader',
          'css-loader?modules',
          'postcss-loader',
          'sass-loader'
        ],
      },
    ],
  },

  plugins: [
    new webpack.NamedModulesPlugin(),
    new webpack.DefinePlugin({
      'process.env': {
        'NODE_ENV': JSON.stringify('production')
      }
    }),
    new webpack.optimize.UglifyJsPlugin({
      compress: {
        warnings: true
      }
    })
  ],
};