gecko-dev/devtools/shared/defer.js

26 lines
730 B
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
// See bug 1273941 to understand this choice of promise.
const Promise = require("promise");
/**
* Returns a deferred object, with a resolve and reject property.
* https://developer.mozilla.org/en-US/docs/Mozilla/JavaScript_code_modules/Promise.jsm/Deferred
*/
module.exports = function defer() {
let resolve, reject;
let promise = new Promise(function () {
resolve = arguments[0];
reject = arguments[1];
});
return {
resolve: resolve,
reject: reject,
promise: promise
};
};