https://www.mobilitycairo.com/modules/ratpdev/rdds/assets/js/accordion.js?tlgkx1

1/**
2 * @file accordion.js
3 *
4 * JS File for accordion component.
5 */
6(function (Drupal, once) {
7
8  const autofoldItemsSelector = '[data-accordion="autofold"] [data-toggle]';
9
10  /**
11   * @Behavior
12   */
13  Drupal.behaviors.rddsAccordionElement = {
14    onceName: 'accordion-autofold',
15    attach(context) {
16      // Toggle other accordion items.
17      once(this.onceName, context.querySelectorAll(autofoldItemsSelector), context).forEach(function (toggle) {
18        ['click', 'touch'].forEach(function (e) {
19          toggle.addEventListener(e, function (event) {
20            if (toggle.getAttribute('accordion-closing')) {
21              toggle.removeAttribute('accordion-closing');
22              return;
23            }
24
25            let accordion = event.target.closest('[data-accordion]');
26            let siblings = accordion.querySelectorAll('[data-toggle][aria-expanded="true"');
27            siblings.forEach(function (sibling) {
28              if (toggle != sibling) {
29                // Prevent infinite loop and/or closing current item.
30                sibling.setAttribute('accordion-closing', true);
31                sibling.click();
32              }
33            });
34          });
35        });
36      });
37    },
38    detach: function detach(context, settings, trigger) {
39      if (trigger === "unload") {
40        once.remove(this.onceName, context.querySelectorAll(autofoldItemsSelector));
41      }
42    },
43  };
44})(Drupal, once);