39 lines
1.1 KiB
TypeScript
39 lines
1.1 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {ResourceLoader} from '@angular/compiler';
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import {ɵglobal as global} from '@angular/core';
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/**
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* An implementation of ResourceLoader that uses a template cache to avoid doing an actual
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* ResourceLoader.
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*
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* The template cache needs to be built and loaded into window.$templateCache
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* via a separate mechanism.
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*/
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export class CachedResourceLoader extends ResourceLoader {
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private _cache: {[url: string]: string};
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constructor() {
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super();
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this._cache = (<any>global).$templateCache;
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if (this._cache == null) {
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throw new Error('CachedResourceLoader: Template cache was not found in $templateCache.');
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}
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}
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get(url: string): Promise<string> {
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if (this._cache.hasOwnProperty(url)) {
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return Promise.resolve(this._cache[url]);
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} else {
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return <Promise<any>>Promise.reject(
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'CachedResourceLoader: Did not find cached template for ' + url);
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}
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}
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}
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