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Diffstat (limited to 'public/workbox-v4.3.1/workbox-streams.dev.js')
| -rw-r--r-- | public/workbox-v4.3.1/workbox-streams.dev.js | 337 |
1 files changed, 0 insertions, 337 deletions
diff --git a/public/workbox-v4.3.1/workbox-streams.dev.js b/public/workbox-v4.3.1/workbox-streams.dev.js deleted file mode 100644 index c90b3dc..0000000 --- a/public/workbox-v4.3.1/workbox-streams.dev.js +++ /dev/null @@ -1,337 +0,0 @@ -this.workbox = this.workbox || {}; -this.workbox.streams = (function (exports, logger_mjs, assert_mjs) { - 'use strict'; - - try { - self['workbox:streams:4.3.1'] && _(); - } catch (e) {} // eslint-disable-line - - /* - Copyright 2018 Google LLC - - Use of this source code is governed by an MIT-style - license that can be found in the LICENSE file or at - https://opensource.org/licenses/MIT. - */ - /** - * Takes either a Response, a ReadableStream, or a - * [BodyInit](https://fetch.spec.whatwg.org/#bodyinit) and returns the - * ReadableStreamReader object associated with it. - * - * @param {workbox.streams.StreamSource} source - * @return {ReadableStreamReader} - * @private - */ - - function _getReaderFromSource(source) { - if (source.body && source.body.getReader) { - return source.body.getReader(); - } - - if (source.getReader) { - return source.getReader(); - } // TODO: This should be possible to do by constructing a ReadableStream, but - // I can't get it to work. As a hack, construct a new Response, and use the - // reader associated with its body. - - - return new Response(source).body.getReader(); - } - /** - * Takes multiple source Promises, each of which could resolve to a Response, a - * ReadableStream, or a [BodyInit](https://fetch.spec.whatwg.org/#bodyinit). - * - * Returns an object exposing a ReadableStream with each individual stream's - * data returned in sequence, along with a Promise which signals when the - * stream is finished (useful for passing to a FetchEvent's waitUntil()). - * - * @param {Array<Promise<workbox.streams.StreamSource>>} sourcePromises - * @return {Object<{done: Promise, stream: ReadableStream}>} - * - * @memberof workbox.streams - */ - - - function concatenate(sourcePromises) { - { - assert_mjs.assert.isArray(sourcePromises, { - moduleName: 'workbox-streams', - funcName: 'concatenate', - paramName: 'sourcePromises' - }); - } - - const readerPromises = sourcePromises.map(sourcePromise => { - return Promise.resolve(sourcePromise).then(source => { - return _getReaderFromSource(source); - }); - }); - let fullyStreamedResolve; - let fullyStreamedReject; - const done = new Promise((resolve, reject) => { - fullyStreamedResolve = resolve; - fullyStreamedReject = reject; - }); - let i = 0; - const logMessages = []; - const stream = new ReadableStream({ - pull(controller) { - return readerPromises[i].then(reader => reader.read()).then(result => { - if (result.done) { - { - logMessages.push(['Reached the end of source:', sourcePromises[i]]); - } - - i++; - - if (i >= readerPromises.length) { - // Log all the messages in the group at once in a single group. - { - logger_mjs.logger.groupCollapsed(`Concatenating ${readerPromises.length} sources.`); - - for (const message of logMessages) { - if (Array.isArray(message)) { - logger_mjs.logger.log(...message); - } else { - logger_mjs.logger.log(message); - } - } - - logger_mjs.logger.log('Finished reading all sources.'); - logger_mjs.logger.groupEnd(); - } - - controller.close(); - fullyStreamedResolve(); - return; - } - - return this.pull(controller); - } else { - controller.enqueue(result.value); - } - }).catch(error => { - { - logger_mjs.logger.error('An error occurred:', error); - } - - fullyStreamedReject(error); - throw error; - }); - }, - - cancel() { - { - logger_mjs.logger.warn('The ReadableStream was cancelled.'); - } - - fullyStreamedResolve(); - } - - }); - return { - done, - stream - }; - } - - /* - Copyright 2018 Google LLC - - Use of this source code is governed by an MIT-style - license that can be found in the LICENSE file or at - https://opensource.org/licenses/MIT. - */ - /** - * This is a utility method that determines whether the current browser supports - * the features required to create streamed responses. Currently, it checks if - * [`ReadableStream`](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream/ReadableStream) - * is available. - * - * @param {HeadersInit} [headersInit] If there's no `Content-Type` specified, - * `'text/html'` will be used by default. - * @return {boolean} `true`, if the current browser meets the requirements for - * streaming responses, and `false` otherwise. - * - * @memberof workbox.streams - */ - - function createHeaders(headersInit = {}) { - // See https://github.com/GoogleChrome/workbox/issues/1461 - const headers = new Headers(headersInit); - - if (!headers.has('content-type')) { - headers.set('content-type', 'text/html'); - } - - return headers; - } - - /* - Copyright 2018 Google LLC - - Use of this source code is governed by an MIT-style - license that can be found in the LICENSE file or at - https://opensource.org/licenses/MIT. - */ - /** - * Takes multiple source Promises, each of which could resolve to a Response, a - * ReadableStream, or a [BodyInit](https://fetch.spec.whatwg.org/#bodyinit), - * along with a - * [HeadersInit](https://fetch.spec.whatwg.org/#typedefdef-headersinit). - * - * Returns an object exposing a Response whose body consists of each individual - * stream's data returned in sequence, along with a Promise which signals when - * the stream is finished (useful for passing to a FetchEvent's waitUntil()). - * - * @param {Array<Promise<workbox.streams.StreamSource>>} sourcePromises - * @param {HeadersInit} [headersInit] If there's no `Content-Type` specified, - * `'text/html'` will be used by default. - * @return {Object<{done: Promise, response: Response}>} - * - * @memberof workbox.streams - */ - - function concatenateToResponse(sourcePromises, headersInit) { - const { - done, - stream - } = concatenate(sourcePromises); - const headers = createHeaders(headersInit); - const response = new Response(stream, { - headers - }); - return { - done, - response - }; - } - - /* - Copyright 2018 Google LLC - - Use of this source code is governed by an MIT-style - license that can be found in the LICENSE file or at - https://opensource.org/licenses/MIT. - */ - let cachedIsSupported = undefined; - /** - * This is a utility method that determines whether the current browser supports - * the features required to create streamed responses. Currently, it checks if - * [`ReadableStream`](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream/ReadableStream) - * can be created. - * - * @return {boolean} `true`, if the current browser meets the requirements for - * streaming responses, and `false` otherwise. - * - * @memberof workbox.streams - */ - - function isSupported() { - if (cachedIsSupported === undefined) { - // See https://github.com/GoogleChrome/workbox/issues/1473 - try { - new ReadableStream({ - start() {} - - }); - cachedIsSupported = true; - } catch (error) { - cachedIsSupported = false; - } - } - - return cachedIsSupported; - } - - /* - Copyright 2018 Google LLC - - Use of this source code is governed by an MIT-style - license that can be found in the LICENSE file or at - https://opensource.org/licenses/MIT. - */ - /** - * A shortcut to create a strategy that could be dropped-in to Workbox's router. - * - * On browsers that do not support constructing new `ReadableStream`s, this - * strategy will automatically wait for all the `sourceFunctions` to complete, - * and create a final response that concatenates their values together. - * - * @param { - * Array<function(workbox.routing.Route~handlerCallback)>} sourceFunctions - * Each function should return a {@link workbox.streams.StreamSource} (or a - * Promise which resolves to one). - * @param {HeadersInit} [headersInit] If there's no `Content-Type` specified, - * `'text/html'` will be used by default. - * @return {workbox.routing.Route~handlerCallback} - * - * @memberof workbox.streams - */ - - function strategy(sourceFunctions, headersInit) { - return async ({ - event, - url, - params - }) => { - if (isSupported()) { - const { - done, - response - } = concatenateToResponse(sourceFunctions.map(fn => fn({ - event, - url, - params - })), headersInit); - event.waitUntil(done); - return response; - } - - { - logger_mjs.logger.log(`The current browser doesn't support creating response ` + `streams. Falling back to non-streaming response instead.`); - } // Fallback to waiting for everything to finish, and concatenating the - // responses. - - - const parts = await Promise.all(sourceFunctions.map(sourceFunction => sourceFunction({ - event, - url, - params - })).map(async responsePromise => { - const response = await responsePromise; - - if (response instanceof Response) { - return response.blob(); - } // Otherwise, assume it's something like a string which can be used - // as-is when constructing the final composite blob. - - - return response; - })); - const headers = createHeaders(headersInit); // Constructing a new Response from a Blob source is well-supported. - // So is constructing a new Blob from multiple source Blobs or strings. - - return new Response(new Blob(parts), { - headers - }); - }; - } - - /* - Copyright 2018 Google LLC - - Use of this source code is governed by an MIT-style - license that can be found in the LICENSE file or at - https://opensource.org/licenses/MIT. - */ - - exports.concatenate = concatenate; - exports.concatenateToResponse = concatenateToResponse; - exports.isSupported = isSupported; - exports.strategy = strategy; - - return exports; - -}({}, workbox.core._private, workbox.core._private)); -//# sourceMappingURL=workbox-streams.dev.js.map |
