webpack.config.ts

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

module.exports = {
  entry: {
    app: './src/index.tsx',
  },
  devtool: 'source-map',
  devServer: {
    historyApiFallback: true,
  },
  resolve: {
    // Add '.ts' and '.tsx' as resolvable extensions.
    extensions: ['.ts', '.tsx', '.mdx', '.js', '.json'],
  },
  plugins: [
    new CleanWebpackPlugin({ verbose: false }),
    new HtmlWebpackPlugin({
      filename: 'index.html',
      template: './src/index.html',
      inject: false,
    }),
    new BundleAnalyzerPlugin(),
  ],
  output: {
    filename: '[name].bundle.js',
    path: path.resolve(__dirname, 'dist'),
    publicPath: '/',
  },
  module: {
    rules: [
      {
        test: /\.ts(x?)$/,
        exclude: /node_modules/,
        use: [
          {
            loader: 'ts-loader',
          },
        ],
      },
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
        },
      },
      // All output '.js' files will have any sourcemaps re-processed by 'source-map-loader'.
      {
        enforce: 'pre',
        test: /\.js$/,
        loader: 'source-map-loader',
      },
      {
        test: /\.mdx?$/,
        use: ['babel-loader', '@mdx-js/loader'],
      },
    ],
  },
};