webpack.config.js

const path = require('path');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');

const isProduction = process.env.NODE_ENV === 'production';

const config = {
  entry: './server/index.ts',
  output: {
    path: path.resolve(__dirname, 'dist'),
  },
  target: 'node',
  devtool: "source-map",
  plugins: [
    new CleanWebpackPlugin(),
    new CopyWebpackPlugin({
      patterns: [{ from: 'build', to: 'build' }],
    }),
  ],
  module: {
    rules: [
      {
        test: /\.(ts|tsx)$/i,
        loader: 'ts-loader',
        options: {
          compilerOptions: {
            noEmit: false,
          },
        },
        exclude: ['/node_modules/'],
      },
      {
        test: /\.(eot|svg|ttf|woff|woff2|png|jpg|gif)$/i,
        type: 'asset',
      },
    ],
  },
  resolve: {
    extensions: ['.tsx', '.ts', '.jsx', '.js', '...'],
  },
};

module.exports = () => {
  if (isProduction) {
    config.mode = 'production';
  } else {
    config.mode = 'development';
  }
  return config;
};