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| author | BrokenTalentsFun CI <ci@brokentalents.fun> | 2018-06-08 19:36:11 +0200 |
|---|---|---|
| committer | schneefux <schneefux+commit@schneefux.xyz> | 2018-12-13 17:09:16 +0100 |
| commit | 10cf870629e860616899848d7f1c849d0b810342 (patch) | |
| tree | 4c7e2831f3857c07681fefee1611d1c49f0ef25b /dist/workbox-v3.2.0/workbox-streams.dev.js | |
| parent | 505a67dc32206a0c603258d856fcbe00e53fc1f5 (diff) | |
| download | brokentalents-10cf870629e860616899848d7f1c849d0b810342.tar.gz brokentalents-10cf870629e860616899848d7f1c849d0b810342.zip | |
automatic build
Diffstat (limited to 'dist/workbox-v3.2.0/workbox-streams.dev.js')
| -rw-r--r-- | dist/workbox-v3.2.0/workbox-streams.dev.js | 379 |
1 files changed, 379 insertions, 0 deletions
diff --git a/dist/workbox-v3.2.0/workbox-streams.dev.js b/dist/workbox-v3.2.0/workbox-streams.dev.js new file mode 100644 index 0000000..985711e --- /dev/null +++ b/dist/workbox-v3.2.0/workbox-streams.dev.js @@ -0,0 +1,379 @@ +this.workbox = this.workbox || {}; +this.workbox.streams = (function (logger_mjs,assert_mjs) { +'use strict'; + +try { + self.workbox.v['workbox:streams:3.2.0'] = 1; +} catch (e) {} // eslint-disable-line + +/* + Copyright 2018 Google Inc. All Rights Reserved. + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * 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 Inc. All Rights Reserved. + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * 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 Inc. All Rights Reserved. + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * 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 Inc. All Rights Reserved. + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * 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. + * + * @return {boolean} `true`, if the current browser meets the requirements for + * streaming responses, and `false` otherwise. + * + * @memberof workbox.streams + */ +function isSupported() { + return 'ReadableStream' in self; +} + +/* + Copyright 2018 Google Inc. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + https://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + + +var publicAPI = Object.freeze({ + concatenate: concatenate, + concatenateToResponse: concatenateToResponse, + isSupported: isSupported +}); + +/* + Copyright 2018 Google Inc. All Rights Reserved. + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * 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 (() => { + var _ref = babelHelpers.asyncToGenerator(function* ({ event, url, params }) { + if (isSupported()) { + const { done, response } = concatenateToResponse(sourceFunctions.map(function (sourceFunction) { + return sourceFunction({ 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 = yield Promise.all(sourceFunctions.map(function (sourceFunction) { + return sourceFunction({ event, url, params }); + }).map((() => { + var _ref2 = babelHelpers.asyncToGenerator(function* (responsePromise) { + const response = yield 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; + }); + + return function (_x2) { + return _ref2.apply(this, arguments); + }; + })())); + + 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 }); + }); + + return function (_x) { + return _ref.apply(this, arguments); + }; + })(); +} + +var defaultExport = { + concatenate, + concatenateToResponse, + isSupported, + strategy +}; + +/* + Copyright 2018 Google Inc. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + https://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +const finalExport = Object.assign(defaultExport, publicAPI); + +return finalExport; + +}(workbox.core._private,workbox.core._private)); + +//# sourceMappingURL=workbox-streams.dev.js.map |
