drupal/core/themes/olivero/js/tabs.js

44 lines
1.3 KiB
JavaScript

/**
* DO NOT EDIT THIS FILE.
* See the following change record for more information,
* https://www.drupal.org/node/2815083
* @preserve
**/
((Drupal, once) => {
function init(el) {
const tabs = el.querySelector('.tabs');
const expandedClass = 'is-expanded';
const activeTab = tabs.querySelector('.is-active');
function isTabsMobileLayout() {
return tabs.querySelector('.tabs__trigger').clientHeight > 0;
}
function handleTriggerClick(e) {
if (!tabs.classList.contains(expandedClass)) {
e.currentTarget.setAttribute('aria-expanded', 'true');
tabs.classList.add(expandedClass);
} else {
e.currentTarget.setAttribute('aria-expanded', 'false');
tabs.classList.remove(expandedClass);
}
}
if (isTabsMobileLayout() && !activeTab.matches('.tabs__tab:first-child')) {
const newActiveTab = activeTab.cloneNode(true);
const firstTab = tabs.querySelector('.tabs__tab:first-child');
tabs.insertBefore(newActiveTab, firstTab);
tabs.removeChild(activeTab);
}
tabs.querySelector('.tabs__trigger').addEventListener('click', handleTriggerClick);
}
Drupal.behaviors.primaryTabs = {
attach(context) {
once('olivero-tabs', '[data-drupal-nav-primary-tabs]', context).forEach(init);
}
};
})(Drupal, once);