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28 lines
753 B
JavaScript
28 lines
753 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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/* exported waitUntilState */
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"use strict";
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const { require } = Components.utils.import("resource://devtools/shared/Loader.jsm", {});
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const flags = require("devtools/shared/flags");
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flags.testing = true;
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function waitUntilState(store, predicate) {
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return new Promise(resolve => {
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let unsubscribe = store.subscribe(check);
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function check() {
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if (predicate(store.getState())) {
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unsubscribe();
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resolve();
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}
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}
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// Fire the check immediately incase the action has already occurred
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check();
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});
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}
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