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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
/* exported waitUntilState */
"use strict";
const { require } = ChromeUtils.importESModule(
);
function waitUntilState(store, predicate) {
return new Promise(resolve => {
const unsubscribe = store.subscribe(check);
function check() {
if (predicate(store.getState())) {
unsubscribe();
resolve();
}
}
// Fire the check immediately incase the action has already occurred
check();
});
}