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