const config = require('./webpack.config'); const webpack = require('webpack'); config.plugins = (config.plugins || []).concat([ new webpack.DefinePlugin({ 'process.env': { NODE_ENV: JSON.stringify('production') } }), new webpack.optimize.UglifyJsPlugin() ]); config.entry = (config.entry || []).concat([ './js/googleAnalytics.min.js' ]); module.exports = config;