webpack.config.js

// REMEMBER TO RUN NPXwEBPACK
const path = require('path');
const HmtlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');

module.exports = {
  // Mode the project is in
  mode: 'development',
  // Main Entry point
  entry: './src/index.tsx',

  devtool: 'inline-source-map',
  devServer: {
    contentBase: './dist',
  },

  optimization: {
    runtimeChunk: 'single',
  },

  plugins: [
    new HmtlWebpackPlugin({
      title: 'Development',
      template: './src/index.html',
    }),
    new MiniCssExtractPlugin(),
  ],

  module: {
    rules: [
      {
        test: /\.(js|jsx|ts|tsx)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            cacheDirectory: true,
            cacheCompression: false,
          },
        },
      },
      {
        test: /\.css$/,
        use: [MiniCssExtractPlugin.loader, 'css-loader'],
      },
    ],
  },

  resolve: {
    extensions: ['.js', '.jsx', '.ts', '.tsx'],
  },

  // Match output made by npx webpack
  output: {
    // change this if you want to
    filename: '[name].[contenthash].js',
    // path to the filename above
    path: path.resolve(__dirname, 'dist'),
    // use this to remove old build files
    clean: true,
    // public path to ensure it serves to '/'
    publicPath: '/',
  },
};