forked from EVOgeek/Vmeda.Online
47 lines
1.4 KiB
TypeScript
47 lines
1.4 KiB
TypeScript
// (C) Copyright 2015 Moodle Pty Ltd.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import { Injectable } from '@angular/core';
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import { makeSingleton } from '@singletons';
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export type InvalidateCacheListener = () => unknown;
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/**
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* Application caches manager.
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*/
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@Injectable({ providedIn: 'root' })
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export class CoreCacheManagerService {
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protected invalidateListeners: InvalidateCacheListener[] = [];
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/**
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* Register a listener to call when cache is invalidated.
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*
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* @param listener Listener.
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*/
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registerInvalidateListener(listener: InvalidateCacheListener): void {
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this.invalidateListeners.push(listener);
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}
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/**
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* Invalidate cache.
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*/
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async invalidate(): Promise<void> {
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await Promise.all(this.invalidateListeners.map(listener => listener()));
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}
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}
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export const CoreCacheManager = makeSingleton(CoreCacheManagerService);
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