| /** |
| * Copyright (c) 2014 Petka Antonov |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions:</p> |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| * |
| */ |
| "use strict"; |
| module.exports = function(Promise) { |
| var isArray = require("./util.js").isArray; |
| |
| function Promise$_filter(booleans) { |
| var values = this._settledValue; |
| var len = values.length; |
| var ret = new Array(len); |
| var j = 0; |
| |
| for (var i = 0; i < len; ++i) { |
| if (booleans[i]) ret[j++] = values[i]; |
| |
| } |
| ret.length = j; |
| return ret; |
| } |
| |
| var ref = {ref: null}; |
| Promise.filter = function Promise$Filter(promises, fn) { |
| return Promise.map(promises, fn, ref) |
| ._then(Promise$_filter, void 0, void 0, |
| ref.ref, void 0, Promise.filter); |
| }; |
| |
| Promise.prototype.filter = function Promise$filter(fn) { |
| return this.map(fn, ref) |
| ._then(Promise$_filter, void 0, void 0, |
| ref.ref, void 0, this.filter); |
| }; |
| }; |