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640fe52298
MozReview-Commit-ID: F6xUXCgdRE4 --HG-- extra : rebase_source : 65de1b0aba412d9044b5196115f74276caa058f2
28 lines
830 B
JavaScript
28 lines
830 B
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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// We have to keep using Promise.jsm here, because DOM Promises
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// start freezing during panel iframes destruction.
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// More info in bug 1454373 comment 15.
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const Promise = require("promise");
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/**
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* Returns a deferred object, with a resolve and reject property.
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* https://developer.mozilla.org/en-US/docs/Mozilla/JavaScript_code_modules/Promise.jsm/Deferred
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*/
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module.exports = function defer() {
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let resolve, reject;
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const promise = new Promise(function() {
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resolve = arguments[0];
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reject = arguments[1];
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});
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return {
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resolve: resolve,
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reject: reject,
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promise: promise
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};
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};
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