webpack.config.js

const path = require('path');
const TerserPlugin = require('terser-webpack-plugin');
const webpack = require('webpack');
const dotenv = require('dotenv');

dotenv.config();

module.exports = {
  mode: process.env.NODE_ENV,
  entry: './src/main.ts',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist'),
  },
  resolve: {
    extensions: ['.ts'],
  },
  module: {
    rules: [
      {
        test: /\.ts$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
    ],
  },
  optimization: {
    minimize: true,
    minimizer: [
      new TerserPlugin({
        extractComments: false,
      })
    ],
  },
  target: 'node',
  plugins: [
    new webpack.BannerPlugin({
      banner: '#!/usr/bin/env node',
      raw: true,
      entryOnly: true,
    }),
  ],
};