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{"version":3,"file":"workbox-broadcast-update.prod.js","sources":["../_version.mjs","../responsesAreSame.mjs","../utils/constants.mjs","../broadcastUpdate.mjs","../BroadcastCacheUpdate.mjs","../Plugin.mjs"],"sourcesContent":["try{self['workbox:broadcast-update:4.3.1']&&_()}catch(e){}// eslint-disable-line","/*\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*/\n\nimport {WorkboxError} from 'workbox-core/_private/WorkboxError.mjs';\nimport {logger} from 'workbox-core/_private/logger.mjs';\nimport './_version.mjs';\n\n/**\n * Given two `Response's`, compares several header values to see if they are\n * the same or not.\n *\n * @param {Response} firstResponse\n * @param {Response} secondResponse\n * @param {Array<string>} headersToCheck\n * @return {boolean}\n *\n * @memberof workbox.broadcastUpdate\n * @private\n */\nconst responsesAreSame = (firstResponse, secondResponse, headersToCheck) => {\n if (process.env.NODE_ENV !== 'production') {\n if (!(firstResponse instanceof Response &&\n secondResponse instanceof Response)) {\n throw new WorkboxError('invalid-responses-are-same-args');\n }\n }\n\n const atLeastOneHeaderAvailable = headersToCheck.some((header) => {\n return firstResponse.headers.has(header) &&\n secondResponse.headers.has(header);\n });\n\n if (!atLeastOneHeaderAvailable) {\n if (process.env.NODE_ENV !== 'production') {\n logger.warn(`Unable to determine where the response has been updated ` +\n `because none of the headers that would be checked are present.`);\n logger.debug(`Attempting to compare the following: `,\n firstResponse, secondResponse, headersToCheck);\n }\n\n // Just return true, indicating the that responses are the same, since we\n // can't determine otherwise.\n return true;\n }\n\n return headersToCheck.every((header) => {\n const headerStateComparison = firstResponse.headers.has(header) ===\n secondResponse.headers.has(header);\n const headerValueComparison = firstResponse.headers.get(header) ===\n secondResponse.headers.get(header);\n\n return headerStateComparison && headerValueComparison;\n });\n};\n\nexport {responsesAreSame};\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*/\n\nimport '../_version.mjs';\n\nexport const CACHE_UPDATED_MESSAGE_TYPE = 'CACHE_UPDATED';\nexport const CACHE_UPDATED_MESSAGE_META = 'workbox-broadcast-update';\nexport const DEFAULT_BROADCAST_CHANNEL_NAME = 'workbox';\nexport const DEFAULT_DEFER_NOTIFICATION_TIMEOUT = 10000;\nexport const DEFAULT_HEADERS_TO_CHECK = [\n 'content-length',\n 'etag',\n 'last-modified',\n];\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*/\n\nimport {assert} from 'workbox-core/_private/assert.mjs';\nimport {CACHE_UPDATED_MESSAGE_TYPE, CACHE_UPDATED_MESSAGE_META}\n from './utils/constants.mjs';\n\nimport './_version.mjs';\n\n/**\n * You would not normally call this method directly; it's called automatically\n * by an instance of the {@link BroadcastCacheUpdate} class. It's exposed here\n * for the benefit of developers who would rather not use the full\n * `BroadcastCacheUpdate` implementation.\n *\n * Calling this will dispatch a message on the provided\n * {@link https://developers.google.com/web/updates/2016/09/broadcastchannel|Broadcast Channel}\n * to notify interested subscribers about a change to a cached resource.\n *\n * The message that's posted has a formation inspired by the\n * [Flux standard action](https://github.com/acdlite/flux-standard-action#introduction)\n * format like so:\n *\n * ```\n * {\n * type: 'CACHE_UPDATED',\n * meta: 'workbox-broadcast-update',\n * payload: {\n * cacheName: 'the-cache-name'
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