webpack.config.js

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

module.exports = (env, argv) => ({
  mode: argv.mode === 'production' ? 'production' : 'development',
  entry: './src/index.ts',
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader'],
      },
    ],
  },
  resolve: {
    extensions: ['.tsx', '.ts', '.js', '.css'],
    modules: [path.resolve(__dirname, 'src'), 'node_modules'],
  },
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist'),
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: 'src/index.html',
    }),
  ],
  devServer: {
    static: path.join(__dirname, "dist"),
    compress: true,
    port: 4000,
  },
  devtool: argv.mode === 'production' ? 'source-map' : 'eval-source-map',
});