regexper-static/webpack.prod.js

const merge = require('webpack-merge');
const common = require('./webpack.common.js');
const UglifyJSPlugin = require('uglifyjs-webpack-plugin');
const WorkboxPlugin = require('workbox-webpack-plugin');

module.exports = merge(common, {
  devtool: 'source-map',
  plugins: [
    new UglifyJSPlugin({
      sourceMap: true
    }),
    new WorkboxPlugin({
      clientsClaim: true,
      skipWaiting: true
    })
  ]
});