webpack.config.js

const path = require('path');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
  entry: path.resolve(__dirname, './src/index.tsx'),
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist'),
  },
  devtool: 'source-map',
  devServer: {
    contentBase: path.resolve(__dirname, 'dist'),
  },
  resolve: {
    extensions: ['.ts', '.tsx', '.js', '.json'],
  },
  plugins: [
    new CleanWebpackPlugin(),
    new HtmlWebpackPlugin({
      template: path.resolve(__dirname, 'src/index.html'),
      favicon: './src/images/favicon.png',
    }),
  ],
  module: {
    rules: [
      {
        test: /\.(ts|tsx)$/,
        exclude: /\.test.(ts|tsx)$/,
        loader: 'awesome-typescript-loader',
      },
      {
        enforce: 'pre',
        test: /\.js$/,
        loader: 'source-map-loader',
      },
    ],
  },
};