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Diffstat (limited to 'tools/addon-sdk-1.4/packages/api-utils/lib/array.js')
-rw-r--r-- | tools/addon-sdk-1.4/packages/api-utils/lib/array.js | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/tools/addon-sdk-1.4/packages/api-utils/lib/array.js b/tools/addon-sdk-1.4/packages/api-utils/lib/array.js deleted file mode 100644 index a41acdd..0000000 --- a/tools/addon-sdk-1.4/packages/api-utils/lib/array.js +++ /dev/null @@ -1,102 +0,0 @@ -/* vim:set ts=2 sw=2 sts=2 et: */ -/* ***** BEGIN LICENSE BLOCK ***** - * Version: MPL 1.1/GPL 2.0/LGPL 2.1 - * - * The contents of this file are subject to the Mozilla Public License Version - * 1.1 (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * http://www.mozilla.org/MPL/ - * - * Software distributed under the License is distributed on an "AS IS" basis, - * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License - * for the specific language governing rights and limitations under the - * License. - * - * The Original Code is Jetpack. - * - * The Initial Developer of the Original Code is - * the Mozilla Foundation. - * Portions created by the Initial Developer are Copyright (C) 2011 - * the Initial Developer. All Rights Reserved. - * - * Contributor(s): - * Irakli Gozalishvili <gozala@mozilla.com> (Original Author) - * - * Alternatively, the contents of this file may be used under the terms of - * either the GNU General Public License Version 2 or later (the "GPL"), or - * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), - * in which case the provisions of the GPL or the LGPL are applicable instead - * of those above. If you wish to allow use of your version of this file only - * under the terms of either the GPL or the LGPL, and not to allow others to - * use your version of this file under the terms of the MPL, indicate your - * decision by deleting the provisions above and replace them with the notice - * and other provisions required by the GPL or the LGPL. If you do not delete - * the provisions above, a recipient may use your version of this file under - * the terms of any one of the MPL, the GPL or the LGPL. - * - * ***** END LICENSE BLOCK ***** */ - -"use strict"; - -/** - * Returns `true` if given `array` contain given `element` or `false` - * otherwise. - * @param {Array} array - * Target array. - * @param {Object|String|Number|Boolean} element - * Element being looked up. - * @returns {Boolean} - */ -var has = exports.has = function has(array, element) { - // shorter and faster equivalent of `array.indexOf(element) >= 0` - return !!~array.indexOf(element); -}; - -/** - * Adds given `element` to the given `array` if it does not contain it yet. - * `true` is returned if element was added otherwise `false` is returned. - * @param {Array} array - * Target array. - * @param {Object|String|Number|Boolean} element - * Element to be added. - * @returns {Boolean} - */ -var add = exports.add = function add(array, element) { - var result; - if ((result = !has(array, element))) - array.push(element); - - return result; -}; - -/** - * Removes first occurrence of the given `element` from the given `array`. If - * `array` does not contain given `element` `false` is returned otherwise - * `true` is returned. - * @param {Array} array - * Target array. - * @param {Object|String|Number|Boolean} element - * Element to be removed. - * @returns {Boolean} - */ -exports.remove = function remove(array, element) { - var result; - if ((result = has(array, element))) - array.splice(array.indexOf(element), 1); - - return result; -}; - -/** - * Produces a duplicate-free version of the given `array`. - * @param {Array} array - * Source array. - * @returns {Array} - */ -exports.unique = function unique(array) { - var value = []; - return array.forEach(function(element) { - add(value, element); - }); - return value; -}; |