angular-cn/packages/service-worker/worker/src/manifest.ts

46 lines
1.0 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 {sha1} from './sha1';
export type ManifestHash = string;
export interface Manifest {
configVersion: number;
timestamp: number;
appData?: {[key: string]: string};
index: string;
assetGroups?: AssetGroupConfig[];
dataGroups?: DataGroupConfig[];
navigationUrls: {positive: boolean, regex: string}[];
hashTable: {[url: string]: string};
}
export interface AssetGroupConfig {
name: string;
installMode: 'prefetch'|'lazy';
updateMode: 'prefetch'|'lazy';
urls: string[];
patterns: string[];
}
export interface DataGroupConfig {
name: string;
version: number;
strategy: 'freshness'|'performance';
patterns: string[];
maxSize: number;
timeoutMs?: number;
refreshAheadMs?: number;
maxAge: number;
}
export function hashManifest(manifest: Manifest): ManifestHash {
return sha1(JSON.stringify(manifest));
}