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