https://www.queenslibrary.org/core/misc/dialog/dialog-deprecation.js?v=10.6.8

1/**
2 * @file
3 * Maintains and deprecates Dialog jQuery events.
4 */
5
6(function ($, Drupal, once) {
7  if (once('drupal-dialog-deprecation-listener', 'html').length) {
8    const eventSpecial = {
9      handle($event) {
10        const $element = $($event.target);
11        const event = $event.originalEvent;
12        const dialog = event.dialog;
13        const dialogArguments = [$event, dialog, $element, event?.settings];
14        $event.handleObj.handler.apply(this, dialogArguments);
15      },
16    };
17
18    $.event.special['dialog:beforecreate'] = eventSpecial;
19    $.event.special['dialog:aftercreate'] = eventSpecial;
20    $.event.special['dialog:beforeclose'] = eventSpecial;
21    $.event.special['dialog:afterclose'] = eventSpecial;
22
23    const listenDialogEvent = (event) => {
24      const windowEvents = $._data(window, 'events');
25      const isWindowHasDialogListener = windowEvents[event.type];
26      if (isWindowHasDialogListener) {
27        Drupal.deprecationError({
28          message: `jQuery event ${event.type} is deprecated in 10.3.0 and is removed from Drupal:12.0.0. See https://www.drupal.org/node/3422670`,
29        });
30      }
31    };
32
33    [
34      'dialog:beforecreate',
35      'dialog:aftercreate',
36      'dialog:beforeclose',
37      'dialog:afterclose',
38    ].forEach((e) => window.addEventListener(e, listenDialogEvent));
39  }
40})(jQuery, Drupal, once);