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43 lines
1.5 KiB
Text
43 lines
1.5 KiB
Text
/*
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Copyright 2018 Google LLC
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Use of this source code is governed by an MIT-style
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license that can be found in the LICENSE file or at
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https://opensource.org/licenses/MIT.
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*/
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import {createHeaders} from './utils/createHeaders.js';
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import {concatenate} from './concatenate.js';
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import {StreamSource} from './_types.js';
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import './_version.js';
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/**
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* Takes multiple source Promises, each of which could resolve to a Response, a
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* ReadableStream, or a [BodyInit](https://fetch.spec.whatwg.org/#bodyinit),
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* along with a
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* [HeadersInit](https://fetch.spec.whatwg.org/#typedefdef-headersinit).
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*
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* Returns an object exposing a Response whose body consists of each individual
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* stream's data returned in sequence, along with a Promise which signals when
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* the stream is finished (useful for passing to a FetchEvent's waitUntil()).
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*
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* @param {Array<Promise<workbox-streams.StreamSource>>} sourcePromises
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* @param {HeadersInit} [headersInit] If there's no `Content-Type` specified,
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* `'text/html'` will be used by default.
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* @return {Object<{done: Promise, response: Response}>}
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*
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* @memberof workbox-streams
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*/
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function concatenateToResponse(
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sourcePromises: Promise<StreamSource>[],
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headersInit: HeadersInit,
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): {done: Promise<void>; response: Response} {
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const {done, stream} = concatenate(sourcePromises);
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const headers = createHeaders(headersInit);
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const response = new Response(stream, {headers});
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return {done, response};
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}
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export {concatenateToResponse};
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