webpack.config.js

// const webpack = require('webpack');
const path = require('path');
const nodeExternals = require('webpack-node-externals');
const slsw = require('serverless-webpack');
const isLocal = slsw.lib.webpack.isLocal;

module.exports = {
  mode: isLocal ? 'development' : 'production',
  // entry: slsw.lib.entries,
  entry: './src/main.ts',
  target: 'node',
  devtool: 'source-map',
  externals: [nodeExternals()],
  node: {
    __dirname: true,
  },
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        exclude: /node_modules/,
        loader: 'ts-loader'
      }
    ],
  },
  optimization: {
    removeAvailableModules: false,
    removeEmptyChunks: false,
    splitChunks: false,
  },
  resolve: {
    extensions: ['.ts', '.tsx', '.js', '.jsx'],
    modules: [path.resolve('./src'), 'node_modules']
  },
  output: {
    libraryTarget: 'commonjs',
    // path: path.join(__dirname, '.webpack'),
    path: path.join(__dirname, 'dist'),
    filename: '[name].js',
    pathinfo: false
  },
};