webpack.config.js

/* eslint-disable no-process-env */
const path = require('path');
const { flatten } = require('lodash');

const config = require('./infrastructure/config.json');

const entries = flatten(
  config.services.map(({ handlers }) =>
    handlers.map(({ name, entry }) => ({ [name]: entry }))
  )
).reduce((entries, handler) => Object.assign(entries, handler), {});

module.exports = {
  entry: entries,
  node: false,
  target: 'node',
  mode: process.env.NODE_ENV === 'production' ? 'production' : 'development',
  optimization: {
    // We no not want to minimize our code
    minimize: false
  },
  performance: {
    // Turn off size warnings for entry points
    hints: false
  },
  devtool: 'source-map',
  module: {
    rules: [
      {
        test: /\.ts$/,
        exclude: /node_modules/,
        loader: 'babel-loader'
      },
      {
        test: /\.js$/,
        use: ['source-map-loader'],
        exclude: /node_modules/,
        enforce: 'pre'
      },
      {
        test: /\.graphql$/,
        exclude: /node_modules/,
        loader: 'graphql-tag/loader'
      }
    ]
  },
  resolve: {
    extensions: ['.mjs', '.ts', '.js', '.json', '.gql', '.graphql']
  },
  externals: {
    'aws-sdk': 'aws-sdk'
  },
  output: {
    libraryTarget: 'commonjs2',
    path: path.join(__dirname, '.webpack'),
    filename: '[name].js',
    sourceMapFilename: '[file].map'
  }
};