chore: upgrade webpack encore from 4.7 to 7.2

webpack.config.mjs

@@ -0,0 +1,85 @@
+import Encore from '@symfony/webpack-encore';
+
+// Manually configure the runtime environment if not already configured yet by the "encore" command.
+// It's useful when you use tools that rely on webpack.config.js file.
+if (!Encore.isRuntimeEnvironmentConfigured()) {
+    Encore.configureRuntimeEnvironment(process.env.NODE_ENV || 'dev');
+}
+
+Encore
+    // directory where compiled assets will be stored
+    .setOutputPath('public/build/')
+    // public path used by the web server to access the output path
+    .setPublicPath('/build')
+    // only needed for CDN's or subdirectory deploy
+    //.setManifestKeyPrefix('build/')
+
+    /*
+     * ENTRY CONFIG
+     *
+     * Each entry will result in one JavaScript file (e.g. app.js)
+     * and one CSS file (e.g. app.css) if your JavaScript imports CSS.
+     */
+    .addEntry('app', './assets/app.js')
+
+    // When enabled, Webpack "splits" your files into smaller pieces for greater optimization.
+    .splitEntryChunks()
+
+    // enables the Symfony UX Stimulus bridge (used in assets/bootstrap.js)
+    .enableStimulusBridge('./assets/controllers.json')
+
+    // will require an extra script tag for runtime.js
+    // but, you probably want this, unless you're building a single-page app
+    .enableSingleRuntimeChunk()
+
+    /*
+     * FEATURE CONFIG
+     *
+     * Enable & configure other features below. For a full
+     * list of features, see:
+     * https://symfony.com/doc/current/frontend.html#adding-more-features
+     */
+    .cleanupOutputBeforeBuild()
+    // .enableBuildNotifications()
+    .enableSourceMaps(!Encore.isProduction())
+    // enables hashed filenames (e.g. app.abc123.css)
+    .enableVersioning(Encore.isProduction())
+
+    // configure Babel
+    // .configureBabel((config) => {
+    //     config.plugins.push('@babel/a-babel-plugin');
+    // })
+
+    // adds the core-js polyfills the code uses (Babel 8 dropped useBuiltIns/corejs for this)
+    .configureBabel((config) => {
+        config.plugins.push(['babel-plugin-polyfill-corejs3', { method: 'usage-global', version: '3.50' }]);
+    })
+
+    .enablePostCssLoader()
+
+    .configureCssMinimizerPlugin((options, MinimizerPlugin) => {
+        options.minify = MinimizerPlugin.lightningCssMinify;
+    })
+
+    // enables Sass/SCSS support
+    //.enableSassLoader()
+
+    // uncomment if you use TypeScript
+    //.enableTypeScriptLoader()
+
+    // uncomment if you use React
+    //.enableReactPreset()
+
+    // uncomment to get integrity="..." attributes on your script & link tags
+    // requires WebpackEncoreBundle 1.4 or higher
+    //.enableIntegrityHashes(Encore.isProduction())
+
+    // uncomment if you're having problems with a jQuery plugin
+    //.autoProvidejQuery()
+
+    .copyFiles([
+        {from: './assets/images', to: 'images/[path][name].[hash:8].[ext]'},
+    ])
+;
+
+export default await Encore.getWebpackConfig();