Website/app/webpack.config.js

const Encore  = require('@symfony/webpack-encore');
const path = require('path');
const TsconfigPathsPlugin = require('tsconfig-paths-webpack-plugin');

if (!Encore.isRuntimeEnvironmentConfigured()) {
    Encore.configureRuntimeEnvironment(process.env.NODE_ENV || 'dev');
}

const ROOT_PATH = path.resolve(__dirname, './');
const ASSETS_PATH = ROOT_PATH + '/assets';

const ALIASES = {
    '@src' : ASSETS_PATH,
    '@packages' : ASSETS_PATH + '/packages',
    '@controllers' : ASSETS_PATH + '/controllers',
    '@styles' : ASSETS_PATH + '/styles'
};

Encore
    .setOutputPath('public/build/')
    .setPublicPath('/build')
    .addAliases(ALIASES)
    .addEntry('app', './assets/app.ts')
    .enableStimulusBridge('./assets/controllers.json')
    .splitEntryChunks()
    .enableSingleRuntimeChunk()
    .cleanupOutputBeforeBuild()
    .enableBuildNotifications()
    .enableSourceMaps(!Encore.isProduction())
    .enableVersioning(Encore.isProduction())
    .configureBabelPresetEnv((config) => {
        config.useBuiltIns = 'usage';
        config.corejs = '3.23';
    })
    .enableSassLoader()
    .enableTypeScriptLoader()
    .enableForkedTypeScriptTypesChecking()
;

module.exports = Encore.getWebpackConfig();