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| 1 | +/* Copyright (c) 2014-2020 Denis Pushkarev |
| 2 | + * |
| 3 | + * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 4 | + * of this software and associated documentation files (the "Software"), to deal |
| 5 | + * in the Software without restriction, including without limitation the rights |
| 6 | + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 7 | + * copies of the Software, and to permit persons to whom the Software is |
| 8 | + * furnished to do so, subject to the following conditions: |
| 9 | + * |
| 10 | + * The above copyright notice and this permission notice shall be included in |
| 11 | + * all copies or substantial portions of the Software. |
| 12 | + * |
| 13 | + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 14 | + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 15 | + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 16 | + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 17 | + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 18 | + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 19 | + * THE SOFTWARE |
| 20 | + */ |
| 21 | + |
| 22 | +// Note: Originally copied from core-js-pure package and modified. (https://github.com/zloirock/core-js) |
| 23 | +const windowLocation = window.location; |
| 24 | +let counter = 0; |
| 25 | +const queue = {}; |
| 26 | + |
| 27 | +const run = function (id) { |
| 28 | + if (queue.hasOwnProperty(id)) { |
| 29 | + const fn = queue[id]; |
| 30 | + delete queue[id]; |
| 31 | + fn(); |
| 32 | + } |
| 33 | +}; |
| 34 | + |
| 35 | +const listener = function (event) { |
| 36 | + run(event.data); |
| 37 | +}; |
| 38 | + |
| 39 | +if (!window.setImmediate) { |
| 40 | + window.addEventListener('message', listener, false); |
| 41 | +} |
| 42 | + |
| 43 | +export function setImmediate(cb: any) { |
| 44 | + if (window.setImmediate) { |
| 45 | + return window.setImmediate(cb); |
| 46 | + } |
| 47 | + |
| 48 | + const args = []; |
| 49 | + let i = 1; |
| 50 | + |
| 51 | + while (arguments.length > i) { |
| 52 | + args.push(arguments[i++]); |
| 53 | + } |
| 54 | + |
| 55 | + queue[++counter] = function () { |
| 56 | + (typeof cb === 'function' ? cb : Function(cb)).apply(undefined, args); |
| 57 | + }; |
| 58 | + |
| 59 | + window.postMessage(counter + '', windowLocation.protocol + '//' + windowLocation.host); |
| 60 | + |
| 61 | + return counter; |
| 62 | +} |
| 63 | + |
| 64 | +export function clearImmediate(id: any) { |
| 65 | + if (window.clearImmediate) { |
| 66 | + return window.clearImmediate(id); |
| 67 | + } |
| 68 | + |
| 69 | + delete queue[id]; |
| 70 | +} |
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