GoScrobble/web/node_modules/workbox-streams/build/workbox-streams.prod.js.map

{"version":3,"file":"workbox-streams.prod.js","sources":["../_version.js","../concatenate.js","../utils/createHeaders.js","../concatenateToResponse.js","../isSupported.js","../strategy.js"],"sourcesContent":["\"use strict\";\n// @ts-ignore\ntry {\n    self['workbox:streams:5.1.4'] && _();\n}\ncatch (e) { }\n","/*\n  Copyright 2018 Google LLC\n\n  Use of this source code is governed by an MIT-style\n  license that can be found in the LICENSE file or at\n  https://opensource.org/licenses/MIT.\n*/\nimport { logger } from 'workbox-core/_private/logger.js';\nimport { assert } from 'workbox-core/_private/assert.js';\nimport { Deferred } from 'workbox-core/_private/Deferred.js';\nimport './_version.js';\n/**\n * Takes either a Response, a ReadableStream, or a\n * [BodyInit](https://fetch.spec.whatwg.org/#bodyinit) and returns the\n * ReadableStreamReader object associated with it.\n *\n * @param {module:workbox-streams.StreamSource} source\n * @return {ReadableStreamReader}\n * @private\n */\nfunction _getReaderFromSource(source) {\n    if (source instanceof Response) {\n        return source.body.getReader();\n    }\n    if (source instanceof ReadableStream) {\n        return source.getReader();\n    }\n    return new Response(source).body.getReader();\n}\n/**\n * Takes multiple source Promises, each of which could resolve to a Response, a\n * ReadableStream, or a [BodyInit](https://fetch.spec.whatwg.org/#bodyinit).\n *\n * Returns an object exposing a ReadableStream with each individual stream's\n * data returned in sequence, along with a Promise which signals when the\n * stream is finished (useful for passing to a FetchEvent's waitUntil()).\n *\n * @param {Array<Promise<module:workbox-streams.StreamSource>>} sourcePromises\n * @return {Object<{done: Promise, stream: ReadableStream}>}\n *\n * @memberof module:workbox-streams\n */\nfunction concatenate(sourcePromises) {\n    if (process.env.NODE_ENV !== 'production') {\n        assert.isArray(sourcePromises, {\n            moduleName: 'workbox-streams',\n            funcName: 'concatenate',\n            paramName: 'sourcePromises',\n        });\n    }\n    const readerPromises = sourcePromises.map((sourcePromise) => {\n        return Promise.resolve(sourcePromise).then((source) => {\n            return _getReaderFromSource(source);\n        });\n    });\n    const streamDeferred = new Deferred();\n    let i = 0;\n    const logMessages = [];\n    const stream = new ReadableStream({\n        pull(controller) {\n            return readerPromises[i]\n                .then((reader) => reader.read())\n                .then((result) => {\n                if (result.done) {\n                    if (process.env.NODE_ENV !== 'production') {\n                        logMessages.push(['Reached the end of source:',\n                            sourcePromises[i]]);\n                    }\n                    i++;\n                    if (i >= readerPromises.length) {\n                        // Log all the messages in the group at once in a single group.\n                        if (process.env.NODE_ENV !== 'production') {\n                            logger.groupCollapsed(`Concatenating ${readerPromises.length} sources.`);\n                            for (const message of logMessages) {\n                                if (Array.isArray(message)) {\n                                    logger.log(...message);\n                                }\n                                else {\n                                    logger.log(message);\n                                }\n                            }\n                            logger.log('Finished reading all sources.');\n                            logger.groupEnd();\n                        }\n                        controller.close();\n                        streamDeferred.resolve();\n                        return;\n                    }\n                    // The `pull` method is defined because we're inside it.\n                    return this.pull(controller);\n                }\n                else {\n