Updated webpack-encore recipe.

webpack.config.js

@@ -57,9 +57,10 @@ Encore
      * and one CSS file (e.g. app.css) if you JavaScript imports CSS.
      */
     .addEntry('app', './assets/js/app.js')
-
     .addEntry('ru2ftwofactor', './assets/js/u2f_auth.js')
-    //.addEntry('ajaxUI', './assets/ts_src/ajax_ui.ts')
+
+    // enables the Symfony UX Stimulus bridge (used in assets/bootstrap.js)
+    .enableStimulusBridge('./assets/controllers.json')
     //.addEntry('page1', './assets/js/page1.js')
     //.addEntry('page2', './assets/js/page2.js')
 
@@ -83,6 +84,10 @@ Encore
     // enables hashed filenames (e.g. app.abc123.css)
     .enableVersioning(Encore.isProduction())
 
+    .configureBabel((config) => {
+        config.plugins.push('@babel/plugin-proposal-class-properties');
+    })
+
     // enables @babel/preset-env polyfills
     .configureBabelPresetEnv((config) => {
         config.useBuiltIns = 'usage';
@@ -94,9 +99,12 @@ Encore
     // uncomment if you use TypeScript
     .enableTypeScriptLoader()
 
-    // uncomment if you're having problems with a jQuery plugin
-    .autoProvidejQuery()
+    // 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())
     .addPlugin(new CopyPlugin([
         {
             from: 'node_modules/bootswatch/dist/*/*.min.css',
@@ -109,9 +117,9 @@ Encore
         }
     ]))
 
-// uncomment if you use API Platform Admin (composer req api-admin)
-//.enableReactPreset()
-//.addEntry('admin', './assets/js/admin.js')
+    // uncomment if you're having problems with a jQuery plugin
+    .autoProvidejQuery()
+
 ;
 
 if (Encore.isProduction()) {