https://www.diakonie-rwl.de/themes/custom/diakonie_rwl/js/tabs.js?tlxjry

1/**
2* DO NOT EDIT THIS FILE.
3* See the following change record for more information,
4* https://www.drupal.org/node/2815083
5* @preserve
6**/
7
8(function (Drupal, once) {
9  function init(el) {
10    var tabs = el.querySelector('.tabs');
11    var expandedClass = 'is-expanded';
12    var activeTab = tabs.querySelector('.is-active');
13
14    function isTabsMobileLayout() {
15      return tabs.querySelector('.tabs__trigger').clientHeight > 0;
16    }
17
18    function handleTriggerClick(e) {
19      if (!tabs.classList.contains(expandedClass)) {
20        e.currentTarget.setAttribute('aria-expanded', 'true');
21        tabs.classList.add(expandedClass);
22      } else {
23        e.currentTarget.setAttribute('aria-expanded', 'false');
24        tabs.classList.remove(expandedClass);
25      }
26    }
27
28    if (isTabsMobileLayout() && !activeTab.matches('.tabs__tab:first-child')) {
29      var newActiveTab = activeTab.cloneNode(true);
30      var firstTab = tabs.querySelector('.tabs__tab:first-child');
31      tabs.insertBefore(newActiveTab, firstTab);
32      tabs.removeChild(activeTab);
33    }
34
35    tabs.querySelector('.tabs__trigger').addEventListener('click', handleTriggerClick);
36  }
37
38  Drupal.behaviors.primaryTabs = {
39    attach: function attach(context) {
40      once('drupal-tabs', '[data-drupal-nav-primary-tabs]', context).forEach(init);
41    }
42  };
43})(Drupal, once);