webpack.config.js

const path = require('path')
const slsw = require('serverless-webpack')
const nodeExternals = require('webpack-node-externals')

const entries = {}

Object.keys(slsw.lib.entries).forEach(
  key => (entries[key] = ['./source-map-install.js', slsw.lib.entries[key]]),
)

module.exports = {
  mode: process.env['NODE_ENV'] === 'production' ? 'production' : 'development',
  entry: entries,
  devtool: 'source-map',
  resolve: {
    extensions: ['.js', '.jsx', '.json', '.ts', '.tsx'],
  },
  output: {
    libraryTarget: 'commonjs',
    path: path.join(__dirname, '.webpack'),
    filename: '[name].js',
  },
  target: 'node',
  module: {
    rules: [
      {test: /\.ts(x?)$/, loader: 'ts-loader'},
      {
        exclude: /node_modules/,
        test: /\.graphql|.gql$/,
        use: [{loader: 'graphql-import-loader'}],
      },
    ],
  },
}