https://justiceeducation.ca/modules/composer/colorbox_inline/js/colorbox_inline.js?tlutu4

1(function ($) {
2  "use strict";
3  /**
4   * Enable the colorbox inline functionality.
5   */
6  Drupal.behaviors.colorboxInline = {
7    attach: function (context, drupalSettings) {
8      $('[data-colorbox-inline]', context).once('colorbox-inline').each(function () {
9        var $link = $(this),
10          data = $link.data(),
11          settings = $.extend({}, drupalSettings.colorbox, {
12            href: false,
13            inline: true
14          }, {
15            className: data.class,
16            href: data.colorboxInline,
17            width: data.width,
18            height: data.height,
19            rel: data.rel,
20            open: false
21          });
22
23		// Hide the colorbox source after if it was hidden before use.
24        if (!$(settings.href).filter(':visible')[0]) {
25          settings.onClosed = function($link) {
26            $($link.cache.href).hide();
27          }
28        }
29
30        $link.colorbox(settings);
31        $link.click(function () {
32         $($(this).data('colorboxInline')).show();
33         $(this).colorbox();
34        });
35      });
36    }
37  };
38})(jQuery);