webpack.config.js

const path = require('path');
const webpack = require('webpack');
const TerserPlugin = require('terser-webpack-plugin');

module.exports = () => ({
  entry: './src/index.ts',
  // devtool: 'inline-source-map',
  target: 'node',
  mode: 'production',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'bundle.js',
  },
  experiments: {
    topLevelAwait: true,
  },
  optimization: {
    minimize: false,
    minimizer: [
      new TerserPlugin({
        parallel: true,
        terserOptions: {
          // https://github.com/webpack-contrib/terser-webpack-plugin#terseroptions
          mangle: true,
        },
      }),
    ],
  },
  resolve: {
    extensions: ['.ts'],
  },
  module: {
    rules: [
      {
        test: /\.ts$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
      {
        test: /\.gomplate$/i,
        use: 'raw-loader',
      },
      {
        test: /\.json$/i,
        type: 'javascript/auto',
        use: 'raw-loader',
      },
    ],
  },
  plugins: [
    // Add your plugins here
    // Learn more about plugins from https://webpack.js.org/configuration/plugins/
    new webpack.optimize.LimitChunkCountPlugin({
      maxChunks: 1,
    }),
    new webpack.DefinePlugin({
      GIT_REV: JSON.stringify(process.env.GIT_REV) || Date.now().toString(),
    }),
  ],
});