wcfsetup/install/files/js/WoltLabSuite/Core/List.js

   1 /**
   2  * List implementation relying on an array or if supported on a Set to hold values.
   3  *
   4  * @author  Alexander Ebert
   5  * @copyright  2001-2019 WoltLab GmbH
   6  * @license  GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
   7  */
   8 define(["require", "exports"], function (require, exports) {
   9     "use strict";
  10     /** @deprecated 5.4 Use a `Set` instead. */
  11     class List {
  12         _set = new Set();
  13         /**
  14          * Appends an element to the list, silently rejects adding an already existing value.
  15          */
  16         add(value) {
  17             this._set.add(value);
  18         }
  19         /**
  20          * Removes all elements from the list.
  21          */
  22         clear() {
  23             this._set.clear();
  24         }
  25         /**
  26          * Removes an element from the list, returns true if the element was in the list.
  27          */
  28         delete(value) {
  29             return this._set.delete(value);
  30         }
  31         /**
  32          * Invokes the `callback` for each element in the list.
  33          */
  34         forEach(callback) {
  35             this._set.forEach(callback);
  36         }
  37         /**
  38          * Returns true if the list contains the element.
  39          */
  40         has(value) {
  41             return this._set.has(value);
  42         }
  43         get size() {
  44             return this._set.size;
  45         }
  46     }
  47     return List;
  48 });