webpack.config.js

const path = require('path');
const webpack = require('webpack');
const TsconfigPathsPlugin = require('tsconfig-paths-webpack-plugin');
const ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin');

module.exports = {
  mode: 'production',
  entry: {
    orchestrator: path.join(__dirname, 'src', 'handler', 'task1.ts'),
    aggregateDetectorsResult: path.join(__dirname, 'src', 'handler', 'task2.ts'),
  },
  resolve: {
    plugins: [new TsconfigPathsPlugin({ configFile: './tsconfig.json' })],
    extensions: ['.json', '.tsx', '.ts', '.js'],
  },
  output: {
    libraryTarget: 'commonjs',
    path: path.join(__dirname, 'dist'),
    filename: '[name].js',
  },
  target: 'node',
  devtool: 'inline-cheap-module-source-map',
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        loader: 'ts-loader',
        options: {
          transpileOnly: true,
        },
        exclude: /node_modules/,
      },
    ],
  },
  optimization: {
    minimize: false,
  },
  externals: {
    'aws-sdk': 'aws-sdk',
  },
  plugins: [
    new ForkTsCheckerWebpackPlugin({
      eslint: {
        files: './src/**/*.{ts,tsx,js,jsx}', // required - same as command `eslint ./src/**/*.{ts,tsx,js,jsx} --ext .ts,.tsx,.js,.jsx`
      },
    }),
    new webpack.IgnorePlugin({
      checkResource(resource) {
        const lazyImports = [
          'cache-manager',
          'apollo-server-fastify',
        ];
        if (!lazyImports.includes(resource)) {
          return false;
        }
        try {
          require.resolve(resource);
        } catch (err) {
          return true;
        }
        return false;
      },
    }),
  ],
};