primo commit

media/com_menus/js/admin-menus-default.js

@@ -0,0 +1,21 @@
+/**
+ * @copyright  (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license    GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+if (Joomla.getOptions('menus-default')) {
+  const items = Joomla.getOptions('menus-default', {}).items || [];
+  items.forEach(item => {
+    window[`jSelectPosition_${item}`] = name => {
+      document.getElementById(item).value = name;
+      Joomla.Modal.getCurrent().close();
+    };
+  });
+}
+const originalFn = Joomla.submitform;
+Joomla.submitform = (task, form) => {
+  originalFn(task, form);
+  if (task === 'menu.exportXml') {
+    document.adminForm.task.value = '';
+  }
+};