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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | 1x 1x 2x 2x 2x 1x | /**
* @license
* Copyright 2019 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { addCallback, removeCallback } from '../helpers/fid-changed';
import { FirebaseDependencies } from '../interfaces/firebase-dependencies';
export type IdChangeCallbackFn = (installationId: string) => void;
export type IdChangeUnsubscribeFn = () => void;
/**
* Sets a new callback that will get called when Installation ID changes.
* Returns an unsubscribe function that will remove the callback when called.
*/
export function onIdChange(
{ appConfig }: FirebaseDependencies,
callback: IdChangeCallbackFn
): IdChangeUnsubscribeFn {
addCallback(appConfig, callback);
return () => {
removeCallback(appConfig, callback);
};
}
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