// script to enable webpack-bundle-analyzer process.env.NODE_ENV = "production"; const webpack = require("webpack"); const BundleAnalyzerPlugin = require("webpack-bundle-analyzer") .BundleAnalyzerPlugin; const webpackConfigProd = require("react-scripts/config/webpack.config")( "production" ); webpackConfigProd.plugins.push(new BundleAnalyzerPlugin()); // actually running compilation and waiting for plugin to start explorer webpack(webpackConfigProd, (err, stats) => { if (err || stats.hasErrors()) { console.error(err); } });