/home/techb158/l2hypotheques.com/wp-content/themes/pylon/assets/js
Edit: /home/techb158/l2hypotheques.com/wp-content/themes/pylon/assets/js/navigation.js (3444B)
/**
* File navigation.js.
*
* Handles toggling the navigation menu for small screens and enables TAB key
* navigation support for dropdown menus.
*/
(function() {
"use strict";
const siteNavigation = document.getElementById('site-navigation');
// Return early if the navigation don't exist.
if (!siteNavigation) {
return;
}
const button = siteNavigation.getElementsByTagName('button')[0];
// Return early if the button don't exist.
if ('undefined' === typeof button) {
return;
}
const menu = siteNavigation.getElementsByTagName('ul')[0];
// Hide menu toggle button if menu is empty and return early.
if ('undefined' === typeof menu) {
button.style.display = 'none';
return;
}
if (!menu.classList.contains('nav-menu')) {
menu.classList.add('nav-menu');
}
// Toggle the .toggled class and the aria-expanded value each time the button is clicked.
button.addEventListener('click', function() {
siteNavigation.classList.toggle('toggled');
if (button.getAttribute('aria-expanded') === 'true') {
button.setAttribute('aria-expanded', 'false');
} else {
button.setAttribute('aria-expanded', 'true');
}
});
// Remove the .toggled class and set aria-expanded to false when the user clicks outside the navigation.
document.addEventListener('click', function(event) {
const isClickInside = siteNavigation.contains(event.target);
if (!isClickInside) {
siteNavigation.classList.remove('toggled');
button.setAttribute('aria-expanded', 'false');
}
});
// Get all the link elements within the menu.
const links = menu.getElementsByTagName('a');
// Get all the link elements with children within the menu.
const linksWithChildren = menu.querySelectorAll('.menu-item-has-children > a, .page_item_has_children > a');
// Toggle focus each time a menu link is focused or blurred.
for (const link of links) {
link.addEventListener('focus', toggleFocus, true);
link.addEventListener('blur', toggleFocus, true);
}
// Toggle focus each time a menu link with children receive a touch event.
for (const link of linksWithChildren) {
link.addEventListener('touchstart', toggleFocus, false);
}
/**
* Sets or removes .focus class on an element.
*/
function toggleFocus() {
if (event.type === 'focus' || event.type === 'blur') {
let self = this;
// Move up through the ancestors of the current link until we hit .nav-menu.
while (!self.classList.contains('nav-menu')) {
// On li elements toggle the class .focus.
if ('li' === self.tagName.toLowerCase()) {
self.classList.toggle('focus');
}
self = self.parentNode;
}
}
if (event.type === 'touchstart') {
const menuItem = this.parentNode;
event.preventDefault();
for (const link of menuItem.parentNode.children) {
if (menuItem !== link) {
link.classList.remove('focus');
}
}
menuItem.classList.toggle('focus');
}
}
}());