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authorBrokenTalentsFun CI <ci@brokentalents.fun>2018-06-08 19:36:11 +0200
committerschneefux <schneefux+commit@schneefux.xyz>2018-12-13 17:09:16 +0100
commit10cf870629e860616899848d7f1c849d0b810342 (patch)
tree4c7e2831f3857c07681fefee1611d1c49f0ef25b /dist/workbox-v3.2.0/workbox-streams.dev.js
parent505a67dc32206a0c603258d856fcbe00e53fc1f5 (diff)
downloadbrokentalents-10cf870629e860616899848d7f1c849d0b810342.tar.gz
brokentalents-10cf870629e860616899848d7f1c849d0b810342.zip
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+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