const Encore = require('@symfony/webpack-encore'); if (!Encore.isRuntimeEnvironmentConfigured()) { Encore.configureRuntimeEnvironment(process.env.NODE_ENV || 'dev'); } Encore .setOutputPath('public/build/') .setPublicPath('/build') .addEntry('app', './assets/ts/app.ts') .splitEntryChunks() .enableSingleRuntimeChunk() .cleanupOutputBeforeBuild() .enableBuildNotifications() .enableSourceMaps(!Encore.isProduction()) .enableVersioning(Encore.isProduction()) .enableReactPreset() .configureBabelPresetEnv((config) => { config.useBuiltIns = 'usage'; config.corejs = 3; }) .copyFiles({ from: './assets/img', to: '../img/[path]/[name].[ext]' }) .autoProvidejQuery() .autoProvideVariables({ Popper: ['popper.js', 'default'] }) .enableSassLoader() .enableTypeScriptLoader() ; module.exports = Encore.getWebpackConfig();