webpack.config.js

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

module.exports = {
  mode: 'development',
  
  // webpack will take the files from ./src/index
  entry: './src/index',

  // and output it into /dist as bundle.js
  output: {
    path: path.join(__dirname, '/dist'),
    filename: 'bundle.js'
  },

  // adding .ts and .tsx to resolve.extensions will help babel look for .ts and .tsx files to transpile
  resolve: {
    extensions: ['.ts', '.tsx', '.js'],
    alias: {
      app: path.resolve(__dirname, './src/app/'),
      features: path.resolve(__dirname, './src/features/'),
      utils: path.resolve(__dirname, './src/utils/')
    }
  },

  module: {
    rules: [

        // we use babel-loader to load our jsx and tsx files
      {
        test: /\.(ts|js)x?$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader'
        },
      },

      // css-loader to bundle all the css files into one file and style-loader to add all the styles  inside the style tag of the document
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader']
      },
      {
        test: /\.m?js/,
        resolve: { fullySpecified: false },
      }
    ]
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './src/index.html'
    })
  ],
  devServer: {
    static: path.join(__dirname, 'public')
  },
  devtool: 'inline-source-map'
};