forked from mirrors/gecko-dev
27 lines
835 B
JavaScript
27 lines
835 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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var { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
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var { require } = Cu.import("resource://devtools/shared/Loader.jsm", {});
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var DevToolsUtils = require("devtools/shared/DevToolsUtils");
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var promise = require("promise");
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DevToolsUtils.testing = true;
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function waitUntilState(store, predicate) {
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let deferred = promise.defer();
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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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deferred.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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return deferred.promise;
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}
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