ACP2E-816: Magento 2.4.4 frontend menu mobile

Author: thiaramus

lib/web/mage/menu.js

@@ -437,6 +437,22 @@ define([
                     target = $(event.target).closest('.ui-menu-item');
                     target.get(0).scrollIntoView();
 
+                    // Open submenu on click
+                    if (target.has('.ui-menu').length) {
+                        this.expand(event);
+                    } else if (!this.element.is(':focus') &&
+                        $(this.document[0].activeElement).closest('.ui-menu').length
+                    ) {
+                        // Redirect focus to the menu
+                        this.element.trigger('focus', [true]);
+
+                        // If the active item is on the top level, let it stay active.
+                        // Otherwise, blur the active item since it is no longer visible.
+                        if (this.active && this.active.parents('.ui-menu').length === 1) { //eslint-disable-line
+                            clearTimeout(this.timer);
+                        }
+                    }
+
                     if (!target.hasClass('level-top') || !target.has('.ui-menu').length) {
                         window.location.href = target.find('> a').attr('href');
                     }