webpack.config.js

const path = require('path');
const prod = process.env.NODE_ENV === 'production';

const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const DotEnv = require('dotenv-webpack');
const CopyWebpackPlugin = require('copy-webpack-plugin');

module.exports = {
  mode: prod ? 'production' : 'development',
  entry: './src/main.tsx',
  output: {
    path: path.join(__dirname, '/dist'),
    filename: 'bundle.js',
  },
  devtool: prod ? undefined : 'source-map',
  devServer: {
    static: './dist',
  },
  module: {
    rules: [
      {
        test: /\.(ts|tsx)?$/,
        use: 'ts-loader',
        exclude: /node_modules/,
        resolve: {
          extensions: ['.ts', '.tsx', '.js', '.json'],
        },
      },
      {
        test: /\.css$/,
        use: [MiniCssExtractPlugin.loader, 'css-loader'],
      },
    ],
  },
  resolve: {
    extensions: ['.tsx', '.ts', '.js'],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './public/index.html',
    }),
    new MiniCssExtractPlugin(),
    new DotEnv(),
    new CopyWebpackPlugin({
      patterns: [
        { from: 'public/mockServiceWorker.js', to: '.' }, // msw service worker
      ],
    }),
  ],
};