https://www.enterespoo.fi/modules/contrib/select2/js/select2.js?tltx8e

1/**
2 * @file
3 * Select2 integration.
4 */
5
6// Support for jQuery 4 #6298
7// @see https://github.com/select2/select2/issues/6298
8if (!jQuery.isArray) {
9  jQuery.isArray = Array.isArray || function (value) {
10    return Object.prototype.toString.call(value) === '[object Array]';
11  };
12}
13if (!jQuery.trim) {
14  jQuery.trim = function (text) {
15    return text == null ? "" : text.trim();
16  };
17}
18
19(function ($, drupalSettings, Sortable, once) {
20  'use strict';
21
22  Drupal.behaviors.select2 = {
23    attach: function (context) {
24      $(once('select2-init', '.select2-widget', context)).each(function () {
25        var config = $(this).data('select2-config');
26        config.createTag = function (params) {
27          var term = params.term.trim();
28          if (term === '') {
29            return null;
30          }
31          return {
32            id: '$ID:' + term,
33            text: term
34          };
35        };
36        config.templateSelection = function (option, container) {
37          // The placeholder doesn't have value.
38          if ('element' in option && 'value' in option.element) {
39            // Add option value to selection container for sorting.
40            $(container).data('optionValue', option.element.value);
41          }
42          return option.text;
43        };
44        if (Object.prototype.hasOwnProperty.call(config, 'ajax')) {
45          config.ajax.data = function (params) {
46            var selected = [];
47            if (Array.isArray($(this).val())) {
48              selected = $(this).val();
49            }
50            else if ($(this).val() !== '') {
51              selected = [$(this).val()];
52            }
53            return $.extend({}, params, {
54              q: params.term,
55              selected: selected.filter(function (selected) {
56                return !selected.startsWith('$ID:');
57              })
58            });
59          };
60        }
61        $(this).data('select2-config', config);
62
63        // Emit an event, that other modules have the chance to modify the
64        // select2 settings. Make sure that other JavaScript code that rely on
65        // this event will be loaded first.
66        // @see: modules/select2_publish/select2_publish.libraries.yml
67        $(this).trigger('select2-init');
68        config = $(this).data('select2-config');
69
70        // If config has a dropdownParent property, wrap it a jQuery object.
71        if (Object.prototype.hasOwnProperty.call(config, 'dropdownParent')) {
72          config.dropdownParent = $(config.dropdownParent);
73        }
74        $(this).select2(config);
75
76        // Copied from https://github.com/woocommerce/woocommerce/blob/master/assets/js/admin/wc-enhanced-select.js#L118
77        if (config.multiple) {
78          var $select = $(this);
79          var $list = $select.next('.select2-container').find('ul.select2-selection__rendered');
80          Sortable.create($list[0], {
81            draggable: 'li:not(.select2-search)',
82            onEnd: function (event) {
83              if (event.newIndex != event.oldIndex) {
84                $($list.find('.select2-selection__choice').get().reverse()).each(function () {
85                  $select.prepend($select.find('option[value="' + $(this).data('optionValue') + '"]').first());
86                });
87              }
88            }
89          });
90        }
91      });
92    }
93  };
94
95})(jQuery, drupalSettings, Sortable, once);