website/core/misc/announcedfb4.js
2023-09-30 09:40:37 +02:00

49 lines
No EOL
1.4 KiB
JavaScript

/**
* DO NOT EDIT THIS FILE.
* See the following change record for more information,
* https://www.drupal.org/node/2815083
* @preserve
**/
(function (Drupal, debounce) {
var liveElement;
var announcements = [];
Drupal.behaviors.drupalAnnounce = {
attach: function attach(context) {
if (!liveElement) {
liveElement = document.createElement('div');
liveElement.id = 'drupal-live-announce';
liveElement.className = 'visually-hidden';
liveElement.setAttribute('aria-live', 'polite');
liveElement.setAttribute('aria-busy', 'false');
document.body.appendChild(liveElement);
}
}
};
function announce() {
var text = [];
var priority = 'polite';
var announcement;
var il = announcements.length;
for (var i = 0; i < il; i++) {
announcement = announcements.pop();
text.unshift(announcement.text);
if (announcement.priority === 'assertive') {
priority = 'assertive';
}
}
if (text.length) {
liveElement.innerHTML = '';
liveElement.setAttribute('aria-busy', 'true');
liveElement.setAttribute('aria-live', priority);
liveElement.innerHTML = text.join('\n');
liveElement.setAttribute('aria-busy', 'false');
}
}
Drupal.announce = function (text, priority) {
announcements.push({
text: text,
priority: priority
});
return debounce(announce, 200)();
};
})(Drupal, Drupal.debounce);