https://www.lcr-carmen.fr/modules/contrib/admin_toolbar/js/admin_toolbar.hoverintent.js?tm8ay8

1/**
2 * @file
3 * Admin Toolbar hoverIntent plugin behavior for the display of the menu.
4 */
5
6(($, Drupal, once) => {
7  /**
8   * Implements the Admin Toolbar hoverIntent plugin behavior.
9   *
10   * @type {Drupal~behavior}
11   *
12   * @prop {Drupal~behaviorAttach} attach
13   *   Attaches the behavior for the display of the menu on hover.
14   */
15  Drupal.behaviors.adminToolbarHoverIntent = {
16    attach: (context, settings) => {
17      if (context !== document) {
18        return;
19      }
20      once('admin-toolbar-hover-plugin', 'body', context).forEach((element) => {
21        // Call the hoverIntent JQuery plugin on the menu items.
22        $(
23          '.toolbar-tray-horizontal li.menu-item--expanded, .toolbar-tray-horizontal ul li.menu-item--expanded .menu-item',
24          element,
25        ).hoverIntent({
26          over() {
27            // At the current depth, we should delete all 'hover-intent'
28            // classes. Other wise we get unwanted behavior where menu items are
29            // expanded while already in hovering other ones.
30            $(this).parent().find('li').removeClass('hover-intent');
31            $(this).addClass('hover-intent');
32          },
33          out() {
34            $(this).removeClass('hover-intent');
35          },
36          timeout: settings.hoverIntentTimeout,
37        });
38      });
39    },
40  };
41})(jQuery, Drupal, once);