made media install compliant

src/media/js/mod_menu/menu-metismenu-es5.js

@@ -0,0 +1,51 @@
+/* Copyright (C) 2025 Moko Consulting <hello@mokoconsulting.tech>
+
+ This file is part of a Moko Consulting project.
+
+ SPDX-License-Identifier: GPL-3.0-or-later
+
+ This program is free software; you can redistribute it and/or modify  it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with this program. If not, see https://www.gnu.org/licenses/ .
+
+ # FILE INFORMATION
+ DEFGROUP: Joomla.Template.Site
+ INGROUP: Moko-Cassiopeia
+ PATH: ./media/templates/site/moko-cassiopeia/js/mod_menu/menu-metismenu-es5.js
+ VERSION: 03.05.00
+ BRIEF: ES5-compatible MetisMenu script for Joomla mod_menu in Moko-Cassiopeia
+ */
+
+(function () {
+	'use strict';
+
+	/**
+	 * @package     Joomla.Site
+	 * @subpackage  Templates.Moko-Cassiopeia
+	 * @copyright   (C) 2020 Open Source Matters, Inc. <https://www.joomla.org>
+	 * @license     GNU General Public License version 2 or later; see LICENSE.txt
+	 * @since       4.0.0
+	 */
+
+	document.addEventListener('DOMContentLoaded', function () {
+		var allMenus = document.querySelectorAll('ul.mod-menu_dropdown-metismenu');
+		allMenus.forEach(function (menu) {
+			// eslint-disable-next-line no-new, no-undef
+			var mm = new MetisMenu(menu, {
+				triggerElement: 'button.mm-toggler'
+			}).on('shown.metisMenu', function (event) {
+				window.addEventListener('click', function mmClick(e) {
+					if (!event.target.contains(e.target)) {
+						mm.hide(event.detail.shownElement);
+						window.removeEventListener('click', mmClick);
+					}
+				});
+			});
+		});
+	});
+
+})();
+