webpack.config.js

require('dotenv').config();

const path = require('path');
const TreatPlugin = require('treat/webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
  mode: process.env.ENVIRONMENT || 'development',
  entry: './src/app/app.tsx',
  output: {
    filename: 'main.js',
    path: path.resolve(__dirname, 'dist')
  },
  devServer: {
    contentBase: path.join(__dirname, 'dist'),
    compress: true,
    port: 8000
  },
  plugins: [
    // parse .treat files
    new TreatPlugin({
      outputLoaders: [MiniCssExtractPlugin.loader]
    }),
    new MiniCssExtractPlugin(),
    
    // create the HTML file
    new HtmlWebpackPlugin({
      template: 'src/index.html',
      filename: 'index.html',
    }),
  ],
  module: {
    rules: [
      {
        test: /\.(ts|tsx)?$/,
        use: 'ts-loader',
        exclude: /node_modules/
      },
    ],
  },
  resolve: {
    extensions: [ '.tsx', '.ts', '.js' ]
  },
};