69 lines
1.7 KiB
TypeScript
69 lines
1.7 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
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adapts the service worker to its runtime environment.
|
||
|
|
*
|
||
|
|
* Mostly, this is used to mock out identifiers which are otherwise read
|
||
|
|
* from the global scope.
|
||
|
|
*/
|
||
|
|
export class Adapter {
|
||
|
|
/**
|
||
|
|
* Wrapper around the `Request` constructor.
|
||
|
|
*/
|
||
|
|
newRequest(input: string|Request, init?: RequestInit): Request {
|
||
|
|
return new Request(input, init);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Wrapper around the `Response` constructor.
|
||
|
|
*/
|
||
|
|
newResponse(body: any, init?: ResponseInit) { return new Response(body, init); }
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Wrapper around the `Headers` constructor.
|
||
|
|
*/
|
||
|
|
newHeaders(headers: {[name: string]: string}): Headers { return new Headers(headers); }
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Test if a given object is an instance of `Client`.
|
||
|
|
*/
|
||
|
|
isClient(source: any): source is Client { return (source instanceof Client); }
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Read the current UNIX time in milliseconds.
|
||
|
|
*/
|
||
|
|
get time(): number { return Date.now(); }
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Extract the pathname of a URL.
|
||
|
|
*/
|
||
|
|
getPath(url: string): string {
|
||
|
|
const parsed = new URL(url);
|
||
|
|
return parsed.pathname;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Wait for a given amount of time before completing a Promise.
|
||
|
|
*/
|
||
|
|
timeout(ms: number): Promise<void> {
|
||
|
|
return new Promise<void>(resolve => { setTimeout(() => resolve(), ms); });
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* An event context in which an operation is taking place, which allows
|
||
|
|
* the delaying of Service Worker shutdown until certain triggers occur.
|
||
|
|
*/
|
||
|
|
export interface Context {
|
||
|
|
/**
|
||
|
|
* Delay shutdown of the Service Worker until the given promise resolves.
|
||
|
|
*/
|
||
|
|
waitUntil(fn: Promise<any>): void;
|
||
|
|
}
|