webpack.config.js

const path = require('path');
const Encore = require('@symfony/webpack-encore');

const syliusBundles = path.resolve(__dirname, '../../vendor/sylius/sylius/src/Sylius/Bundle/');
const uiBundleScripts = path.resolve(syliusBundles, 'UiBundle/Resources/private/js/');
const uiBundleResources = path.resolve(syliusBundles, 'UiBundle/Resources/private/');

// Shop config
Encore
  .setOutputPath('public/build/shop/')
  .setPublicPath('/build/shop')
  .addEntry('shop-entry', './assets/shop/entry.js')
  .disableSingleRuntimeChunk()
  .cleanupOutputBeforeBuild()
  .enableSourceMaps(!Encore.isProduction())
  .enableVersioning(Encore.isProduction())
  .enableSassLoader();

const shopConfig = Encore.getWebpackConfig();

shopConfig.resolve.alias['sylius/ui'] = uiBundleScripts;
shopConfig.resolve.alias['sylius/ui-resources'] = uiBundleResources;
shopConfig.resolve.alias['sylius/bundle'] = syliusBundles;
shopConfig.name = 'shop';

Encore.reset();

// Admin config
Encore
  .setOutputPath('public/build/admin/')
  .setPublicPath('/build/admin')
  .addEntry('admin-entry', './assets/admin/entry.js')
  .disableSingleRuntimeChunk()
  .cleanupOutputBeforeBuild()
  .enableSourceMaps(!Encore.isProduction())
  .enableVersioning(Encore.isProduction())
  .enableSassLoader();

const adminConfig = Encore.getWebpackConfig();

adminConfig.resolve.alias['sylius/ui'] = uiBundleScripts;
adminConfig.resolve.alias['sylius/ui-resources'] = uiBundleResources;
adminConfig.resolve.alias['sylius/bundle'] = syliusBundles;
adminConfig.externals = Object.assign({}, adminConfig.externals, { window: 'window', document: 'document' });
adminConfig.name = 'admin';

Encore.reset();
Encore
  .setOutputPath('public/bootstrap-theme')
  .setPublicPath('/bootstrap-theme')
  .addEntry('app', './themes/BootstrapTheme/assets/entry.js')
  .disableSingleRuntimeChunk()
  .cleanupOutputBeforeBuild()
  .enableSassLoader()
  .enableSourceMaps(!Encore.isProduction())
  .enableVersioning(Encore.isProduction());

const bootstrapThemeConfig = Encore.getWebpackConfig();
bootstrapThemeConfig.name = 'bootstrapTheme';

module.exports = [shopConfig, adminConfig, bootstrapThemeConfig];