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+/* 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";
+
+/**
+ * Create a Promise and return it in an object with its resolve and reject functions.
+ * This is useful when you need to settle a promise in a different location than where
+ * it is created.
+ *
+ * @returns {Object} An object with the following properties:
+ * - {Promise} promise: The created DOM promise
+ * - {Function} resolve: The resolve parameter of `promise`
+ * - {Function} reject: The reject parameter of `promise`
+ *
+ */
+module.exports = function defer() {
+ let resolve, reject;
+ const promise = new Promise(function (res, rej) {
+ resolve = res;
+ reject = rej;
+ });
+ return { resolve, reject, promise };
+};