https://www.haaga-helia.fi/themes/custom/hh/components/02-molecules/quick-search/quick-search.js?tm9khj

1/**
2 * @file
3 * A JavaScript file containing the main menu functionality (small/large screen)
4 *
5 */
6
7(function ($, Drupal) {
8    Drupal.behaviors.quickSearchDropdown = {
9      attach: function (context) {
10        const $dropdownToggle = $('#quick-search-dropdown', context);
11    
12        $dropdownToggle.on('click tap', function() {
13          let expanded = this.getAttribute('aria-expanded') === 'true' || false;
14          this.setAttribute('aria-expanded', !expanded);
15    
16          let $dropdown = $(this).parent('.dropdown');
17          $dropdown.toggleClass('open');
18        });
19    
20        // close when user clicks elsewhere.
21        $(document).on('click touch touchend', function(e) {
22          let target = e.target
23      
24          // if clicked outside quick search
25          if (($(target).parents('.dropdown-quick-search').length === 0)) {
26            $('.dropdown-quick-search').removeClass('open');
27            $('#quick-search-dropdown').attr('aria-expanded', false);
28          }
29        });
30      }
31    }
32  })(jQuery, Drupal);