var Encore = require('@symfony/webpack-encore'); if (!Encore.isRuntimeEnvironmentConfigured()) { Encore.configureRuntimeEnvironment(process.env.NODE_ENV || 'dev'); } Encore .setOutputPath('public/build/') .setPublicPath('/build') .addEntry('app', './assets/js/app.js') .splitEntryChunks() .enableSingleRuntimeChunk() .cleanupOutputBeforeBuild() .enableBuildNotifications() .enableSourceMaps(!Encore.isProduction()) .enableVersioning(Encore.isProduction()) .configureBabel(() => {}, { useBuiltIns: 'usage', corejs: 3 }) .enablePostCssLoader() ; module.exports = Encore.getWebpackConfig();