const path = require('path');
const nodeExternals = require('webpack-node-externals');
const dotenv = require('dotenv-webpack');

module.exports = {
  mode: process.env.NODE_ENV || 'development',
  target: 'node',
  devtool: 'inline-source-map',
  entry: { server: './src/server/index.ts' },
  output: {
    path: path.resolve(__dirname, 'build'),
    filename: '[name].js',
  },
  resolve: {
    extensions: ['.ts', '.tsx', '.js'],
  },
  // don't compile node_modules
  externals: [nodeExternals()],
  optimization: {
    splitChunks: {
      chunks: 'all',
    },
  },
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: [
          {
            loader: 'ts-loader',
            options: {
              // use the tsconfig in the server directory
              configFile: 'src/server/tsconfig.json',
            },
          },
        ],
      },
    ],
  },
  plugins: [new dotenv()],
};