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{"version":3,"file":"workbox-db5fc017.js","sources":["node_modules/workbox-core/_version.js","node_modules/workbox-core/models/messages/messageGenerator.js","node_modules/workbox-core/_private/WorkboxError.js","node_modules/workbox-core/_private/cacheNames.js","node_modules/workbox-routing/_version.js","node_modules/workbox-routing/utils/constants.js","node_modules/workbox-routing/utils/normalizeHandler.js","node_modules/workbox-routing/Route.js","node_modules/workbox-routing/RegExpRoute.js","node_modules/workbox-routing/Router.js","node_modules/workbox-routing/utils/getOrCreateDefaultRouter.js","node_modules/workbox-core/_private/waitUntil.js","node_modules/workbox-precaching/_version.js","node_modules/workbox-precaching/utils/createCacheKey.js","node_modules/workbox-precaching/utils/PrecacheInstallReportPlugin.js","node_modules/workbox-precaching/utils/PrecacheCacheKeyPlugin.js","node_modules/workbox-core/_private/canConstructResponseFromBodyStream.js","node_modules/workbox-core/copyResponse.js","node_modules/workbox-core/_private/cacheMatchIgnoreParams.js","node_modules/workbox-core/_private/Deferred.js","node_modules/workbox-core/models/quotaErrorCallbacks.js","node_modules/workbox-strategies/_version.js","node_modules/workbox-strategies/StrategyHandler.js","node_modules/workbox-core/_private/timeout.js","node_modules/workbox-core/_private/getFriendlyURL.js","node_modules/workbox-core/_private/executeQuotaErrorCallbacks.js","node_modules/workbox-strategies/Strategy.js","node_modules/workbox-precaching/PrecacheStrategy.js","node_modules/workbox-precaching/PrecacheController.js","node_modules/workbox-precaching/utils/getOrCreatePrecacheController.js","node_modules/workbox-precaching/PrecacheRoute.js","node_modules/workbox-precaching/utils/generateURLVariations.js","node_modules/workbox-precaching/utils/removeIgnoredSearchParams.js","node_modules/workbox-precaching/addRoute.js","node_modules/workbox-routing/registerRoute.js","node_modules/workbox-precaching/precacheAndRoute.js","node_modules/workbox-precaching/precache.js","node_modules/workbox-core/setCacheNameDetails.js"],"sourcesContent":["\"use strict\";\n// @ts-ignore\ntry {\n self['workbox:core:6.5.3'] && _();\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 { messages } from './messages.js';\nimport '../../_version.js';\nconst fallback = (code, ...args) => {\n let msg = code;\n if (args.length > 0) {\n msg += ` :: ${JSON.stringify(args)}`;\n }\n return msg;\n};\nconst generatorFunction = (code, details = {}) => {\n const message = messages[code];\n if (!message) {\n throw new Error(`Unable to find message for code '${code}'.`);\n }\n return message(details);\n};\nexport const messageGenerator = process.env.NODE_ENV === 'production' ? fallback : generatorFunction;\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 { messageGenerator } from '../models/messages/messageGenerator.js';\nimport '../_version.js';\n/**\n * Workbox errors should be thrown with this class.\n * This allows use to ensure the type easily in tests,\n * helps developers identify errors from workbox\n * easily and allows use to optimise error\n * messages correctly.\n *\n * @private\n */\nclass WorkboxError extends Error {\n /**\n *\n * @param {string} errorCode The error code that\n * identifies this particular error.\n * @param {Object=} details Any relevant arguments\n * that will help developers identify issues should\n * be added as a key on the context object.\n */\n constructor(errorCode, details) {\n const message = messageGenerator(errorCode, details);\n super(message);\n this.name = errorCode;\n this.details = details;\n }\n}\nexport { WorkboxError };\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 '../_version.js';\nconst _cacheNameDetails = {\n googleAnalytics: 'googleAnalytics',\n precache: 'precache-v2',\n prefix: 'workbox',\n runtime: 'runtime',\n suffix: typeof registration !== 'undefined' ? registration.scope : '',\n};\nconst _createCacheName = (cacheName) => {\n return [_cacheNameDetails.prefix, cacheName, _cacheNameDetails.suffix]\n .filter((value) => value && value.length > 0)\n .join('-');\n};\nconst eachCacheNameDetail = (fn) => {\n for (const key of Object.keys(_cacheNameDetails)) {\n fn(key);\n }\n};\nexport const cacheNames = {\n updateDetails: (details) => {\n eachCacheNameDetail((key) => {\n if (typeof details[key] === 'string') {\n _cacheNameDetails[key] = details[key];\n }\n });\n },\n getGoogleAnalyticsName: (userCacheName) => {\n return userCacheName || _createCacheName(_cacheNameDetails.googleAnalytics);\n },\n getPrecacheName: (userCacheName) => {\n return userCacheName || _createCacheName(_cacheNameDetails.precache);\n },\n getPrefix: () => {\n return _cacheNameDetails.prefix;\n },\n getRuntimeName: (userCacheName) => {\n return userCacheName || _createCacheName(_cacheNameDetails.runtime);\n },\n getSuffix: () => {\n return _cacheNameDetails.suffix;\n },\n};\n","\"use strict\";\n// @ts-ignore\ntry {\n self['workbox:routing:6.5.3'] && _();\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 '../_version.js';\n/**\n * The default HTTP method, 'GET', used when there's no specific method\n * configured for a route.\n *\n * @type {string}\n *\n * @private\n */\nexport const defaultMethod = 'GET';\n/**\n * The list of valid HTTP methods associated with requests that could be routed.\n *\n * @type {Array<string>}\n *\n * @private\n */\nexport const validMethods = [\n 'DELETE',\n 'GET',\n 'HEAD',\n 'PATCH',\n 'POST',\n 'PUT',\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*/\nimport { assert } from 'workbox-core/_private/assert.js';\nimport '../_version.js';\n/**\n * @param {function()|Object} handler Either a function, or an object with a\n * 'handle' method.\n * @return {Object} An object with a handle method.\n *\n * @private\n */\nexport const normalizeHandler = (handler) => {\n if (handler && typeof handler === 'object') {\n if (process.env.NODE_ENV !== 'production') {\n assert.hasMethod(handler, 'handle', {\n moduleName: 'workbox-routing',\n className: 'Route',\n funcName: 'constructor',\n paramName: 'handler',\n });\n }\n return handler;\n }\n else {\n if (process.env.NODE_ENV !== 'production') {\n assert.isType(handler, 'function', {\n moduleName: 'workbox-routing',\n className: 'Route',\n funcName: 'constructor',\n paramName: 'handler',\n });\n }\n return { handle: handler };\n }\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*/\nimport { assert } from 'workbox-core/_private/assert.js';\nimport { defaultMethod, validMethods } from './utils/constants.js';\nimport { normalizeHandler } from './utils/normalizeHandler.js';\nimport './_version.js';\n/**\n * A `Route` consists of a pair of callback functions, \"match\" and \"handler\".\n * The \"match\" callback determine if a route should be used to \"handle\" a\n * request by returning a non-falsy value if it can. The \"handler\" callback\n * is called when there is a match and should return a Promise that resolves\n * to a `Response`.\n *\n * @memberof workbox-routing\n */\nclass Route {\n /**\n * Constructor for Route class.\n *\n * @param {workbox-routing~matchCallback} match\n * A callback function that determines whether the route matches a given\n * `fetch` event by returning a non-falsy value.\n * @param {workbox-routing~handlerCallback} handler A callback\n * function that returns a Promise resolving to a Response.\n * @param {string} [method='GET'] The HTTP method to match the Route\n * against.\n */\n constructor(match, handler, method = defaultMethod) {\n if (process.env.NODE_ENV !== 'production') {\n assert.isType(match, 'function', {\n moduleName: 'workbox-routing',\n className: 'Route',\n funcName: 'constructor',\n paramName: 'match',\n });\n if (method) {\n assert.isOneOf(method, validMethods, { paramName: 'method' });\n }\n }\n // These values are referenced directly by Router so cannot be\n // altered by minificaton.\n this.handler = normalizeHandler(handler);\n this.match = match;\n this.method = method;\n }\n /**\n *\n * @param {workbox-routing-handlerCallback} handler A callback\n * function that returns a Promise resolving to a Response\n */\n setCatchHandler(handler) {\n this.catchHandler = normalizeHandler(handler);\n }\n}\nexport { Route };\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 { assert } from 'workbox-core/_private/assert.js';\nimport { logger } from 'workbox-core/_private/logger.js';\nimport { Route } from './Route.js';\nimport './_version.js';\n/**\n * RegExpRoute makes it easy to create a regular expression based\n * {@link workbox-routing.Route}.\n *\n * For same-origin requests the RegExp only needs to match part of the URL. For\n * requests against third-party servers, you must define a RegExp that matches\n * the start of the URL.\n *\n * @memberof workbox-routing\n * @extends workbox-routing.Route\n */\nclass RegExpRoute extends Route {\n /**\n * If the regular expression contains\n * [capture groups]{@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#grouping-back-references},\n * the captured values will be passed to the\n * {@link workbox-routing~handlerCallback} `params`\n * argument.\n *\n * @param {RegExp} regExp The regular expression to match against URLs.\n * @param {workbox-routing~handlerCallback} handler A callback\n * function that returns a Promise resulting in a Response.\n * @param {string} [method='GET'] The HTTP method to match the Route\n * against.\n */\n constructor(regExp, handler, method) {\n if (process.env.NODE_ENV !== 'production') {\n assert.isInstance(regExp, RegExp, {\n moduleName: 'workbox-routing',\n className: 'RegExpRoute',\n funcName: 'constructor',\n paramName: 'pattern',\n });\n }\n const match = ({ url }) => {\n const result = regExp.exec(url.href);\n // Return immediately if there's no match.\n if (!result) {\n return;\n }\n // Require that the match start at the first character in the URL string\n // if it's a cross-origin request.\n // See https://github.com/GoogleChrome/workbox/issues/281 for the context\n // behind this behavior.\n if (url.origin !== location.origin && result.index !== 0) {\n if (process.env.NODE_ENV !== 'production') {\n logger.debug(`The regular expression '${regExp.toString()}' only partially matched ` +\n `against the cross-origin URL '${url.toString()}'. RegExpRoute's will only ` +\n `handle cross-origin requests if they match the entire URL.`);\n }\n return;\n }\n // If the route matches, but there aren't any capture groups defined, then\n // this will return [], which is truthy and therefore sufficient to\n // indicate a match.\n // If there are capture groups, then it will return their values.\n return result.slice(1);\n };\n super(match, handler, method);\n }\n}\nexport { RegExpRoute };\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 { assert } from 'workbox-core/_private/assert.js';\nimport { getFriendlyURL } from 'workbox-core/_private/getFriendlyURL.js';\nimport { defaultMethod } from './utils/constants.js';\nimport { logger } from 'workbox-core/_private/logger.js';\nimport { normalizeHandler } from './utils/normalizeHandler.js';\nimport { WorkboxError } from 'workbox-core/_private/WorkboxError.js';\nimport './_version.js';\n/**\n * The Router can be used to process a `FetchEvent` using one or more\n * {@link workbox-routing.Route}, responding with a `Response` if\n * a matching route exists.\n *\n * If no route matches a given a request, the Router will use a \"default\"\n * handler if one is defined.\n *\n * Should the matching Route throw an error, the Router will use a \"catch\"\n * handler if one is defined to gracefully deal with issues and respond with a\n * Request.\n *\n * If a request matches multiple routes, the **earliest** registered route will\n * be used to respond to the request.\n *\n * @memberof workbox-routing\n */\nclass Router {\n /**\n * Initializes a new Router.\n */\n constructor() {\n this._routes = new Map();\n this._defaultHandlerMap = new Map();\n }\n /**\n * @return {Map<string, Array<workbox-routing.Route>>} routes A `Map` of HTTP\n * method name ('GET', etc.) to an array of all the corresponding `Route`\n * instances that are registered.\n */\n get routes() {\n return this._routes;\n }\n /**\n * Adds a fetch event listener to respond to events when a route matches\n * the event's request.\n */\n addFetchListener() {\n // See https://github.com/Microsoft/TypeScript/issues/28357#issuecomment-436484705\n self.addEventListener('fetch', ((event) => {\n const { request } = event;\n const responsePromise = this.handleRequest({ request, event });\n if (responsePromise) {\n event.respondWith(responsePromise);\n }\n }));\n }\n /**\n * Adds a message event listener for URLs to cache from the window.\n * This is useful to cache resources loaded on the page prior to when the\n * service worker started controlling it.\n *\n * The format of the message data sent from the window should be as follows.\n * Where the `urlsToCache` array may consist of URL strings or an array of\n * URL string + `requestInit` object (the same as you'd pass to `fetch()`).\n *\n * ```\n * {\n * type: 'CACHE_URLS',\n * payload: {\n * urlsToCache: [\n * './script1.js',\n * './script2.js',\n * ['./script3.js', {mode: 'no-cors'}],\n * ],\n * },\n * }\n * ```\n */\n addCacheListener() {\n // See https://github.com/Microsoft/TypeScript/issues/28357#issuecomment-436484705\n self.addEventListener('message', ((event) => {\n // event.data is type 'any'\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n if (event.data && event.data.type === 'CACHE_URLS') {\n // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment\n const { payload } = event.data;\n if (process.env.NODE_ENV !== 'production') {\n logger.debug(`Caching URLs from the window`, payload.urlsToCache);\n }\n const requestPromises = Promise.all(payload.urlsToCache.map((entry) => {\n if (typeof entry === 'string') {\n entry = [entry];\n }\n const request = new Request(...entry);\n return this.handleRequest({ request, event });\n // TODO(philipwalton): TypeScript errors without this typecast for\n // some reason (probably a bug). The real type here should work but\n // doesn't: `Array<Promise<Response> | undefined>`.\n })); // TypeScript\n event.waitUntil(requestPromises);\n // If a MessageChannel was used, reply to the message on success.\n if (event.ports && event.ports[0]) {\n void requestPromises.then(() => event.ports[0].postMessage(true));\n }\n }\n }));\n }\n /**\n * Apply the routing rules to a FetchEvent object to get a Response from an\n * appropriate Route's handler.\n *\n * @param {Object} options\n * @param {Request} options.request The request to handle.\n * @param {ExtendableEvent} options.event The event that triggered the\n * request.\n * @return {Promise<Response>|undefined} A promise is returned if a\n * registered route can handle the request. If there is no matching\n * route and there's no `defaultHandler`, `undefined` is returned.\n */\n handleRequest({ request, event, }) {\n if (process.env.NODE_ENV !== 'production') {\n assert.isInstance(request, Request, {\n moduleName: 'workbox-routing',\n className: 'Router',\n funcName: 'handleRequest',\n paramName: 'options.request',\n });\n }\n const url = new URL(request.url, location.href);\n if (!url.protocol.startsWith('http')) {\n if (process.env.NODE_ENV !== 'production') {\n logger.debug(`Workbox Router only supports URLs that start with 'http'.`);\n }\n return;\n }\n const sameOrigin = url.origin === location.origin;\n const { params, route } = this.findMatchingRoute({\n event,\n request,\n sameOrigin,\n url,\n });\n let handler = route && route.handler;\n const debugMessages = [];\n if (process.env.NODE_ENV !== 'production') {\n if (handler) {\n debugMessages.push([`Found a route to handle this request:`, route]);\n if (params) {\n debugMessages.push([\n `Passing the following params to the route's handler:`,\n params,\n ]);\n }\n }\n }\n // If we don't have a handler because there was no matching route, then\n // fall back to defaultHandler if that's defined.\n const method = request.method;\n if (!handler && this._defaultHandlerMap.has(method)) {\n if (process.env.NODE_ENV !== 'production') {\n debugMessages.push(`Failed to find a matching route. Falling ` +\n `back to the default handler for ${method}.`);\n }\n handler = this._defaultHandlerMap.get(method);\n }\n if (!handler) {\n if (process.env.NODE_ENV !== 'production') {\n // No handler so Workbox will do nothing. If logs is set of debug\n // i.e. verbose, we should print out this information.\n logger.debug(`No route found for: ${getFriendlyURL(url)}`);\n }\n return;\n }\n if (process.env.NODE_ENV !== 'production') {\n // We have a handler, meaning Workbox is going to handle the route.\n // print the routing details to the console.\n logger.groupCollapsed(`Router is responding to: ${getFriendlyURL(url)}`);\n debugMessages.forEach((msg) => {\n if (Array.isArray(msg)) {\n logger.log(...msg);\n }\n else {\n logger.log(msg);\n }\n });\n logger.groupEnd();\n }\n // Wrap in try and catch in case the handle method throws a synchronous\n // error. It should still callback to the catch handler.\n let responsePromise;\n try {\n responsePromise = handler.handle({ url, request, event, params });\n }\n catch (err) {\n responsePromise = Promise.reject(err);\n }\n // Get route's catch handler, if it exists\n const catchHandler = route && route.catchHandler;\n if (responsePromise instanceof Promise &&\n (this._catchHandler || catchHandler)) {\n responsePromise = responsePromise.catch(async (err) => {\n // If there's a route catch handler, process that first\n if (catchHandler) {\n if (process.env.NODE_ENV !== 'production') {\n // Still include URL here as it will be async from the console group\n // and may not make sense without the URL\n logger.groupCollapsed(`Error thrown when responding to: ` +\n ` ${getFriendlyURL(url)}. Falling back to route's Catch Handler.`);\n logger.error(`Error thrown by:`, route);\n logger.error(err);\n logger.groupEnd();\n }\n try {\n return await catchHandler.handle({ url, request, event, params });\n }\n catch (catchErr) {\n if (catchErr instanceof Error) {\n err = catchErr;\n }\n }\n }\n if (this._catchHandler) {\n if (process.env.NODE_ENV !== 'production') {\n // Still include URL here as it will be async from the console group\n // and may not make sense without the URL\n logger.groupCollapsed(`Error thrown when responding to: ` +\n ` ${getFriendlyURL(url)}. Falling back to global Catch Handler.`);\n logger.error(`Error thrown by:`, route);\n logger.error(err);\n logger.groupEnd();\n }\n return this._catchHandler.handle({ url, request, event });\n }\n throw err;\n });\n }\n return responsePromise;\n }\n /**\n * Checks a request and URL (and optionally an event) against the list of\n * registered routes, and if there's a match, returns the corresponding\n * route along with any params generated by the match.\n *\n * @param {Object} options\n * @param {URL} options.url\n * @param {boolean} options.sameOrigin The result of comparing `url.origin`\n * against the current origin.\n * @param {Request} options.request The request to match.\n * @param {Event} options.event The corresponding event.\n * @return {Object} An object with `route` and `params` properties.\n * They are populated if a matching route was found or `undefined`\n * otherwise.\n */\n findMatchingRoute({ url, sameOrigin, request, event, }) {\n const routes = this._routes.get(request.method) || [];\n for (const route of routes) {\n let params;\n // route.match returns type any, not possible to change right now.\n // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment\n const matchResult = route.match({ url, sameOrigin, request, event });\n if (matchResult) {\n if (process.env.NODE_ENV !== 'production') {\n // Warn developers that using an async matchCallback is almost always\n // not the right thing to do.\n if (matchResult instanceof Promise) {\n logger.warn(`While routing ${getFriendlyURL(url)}, an async ` +\n `matchCallback function was used. Please convert the ` +\n `following route to use a synchronous matchCallback function:`, route);\n }\n }\n // See https://github.com/GoogleChrome/workbox/issues/2079\n // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment\n params = matchResult;\n if (Array.isArray(params) && params.length === 0) {\n // Instead of passing an empty array in as params, use undefined.\n params = undefined;\n }\n else if (matchResult.constructor === Object && // eslint-disable-line\n Object.keys(matchResult).length === 0) {\n // Instead of passing an empty object in as params, use undefined.\n params = undefined;\n }\n else if (typeof matchResult === 'boolean') {\n // For the boolean value true (rather than just something truth-y),\n // don't set params.\n // See https://github.com/GoogleChrome/workbox/pull/2134#issuecomment-513924353\n params = undefined;\n }\n // Return early if have a match.\n return { route, params };\n }\n }\n // If no match was found above, return and empty object.\n return {};\n }\n /**\n * Define a default `handler` that's called when no routes explicitly\n * match the incoming request.\n *\n * Each HTTP method ('GET', 'POST', etc.) gets its own default handler.\n *\n * Without a default handler, unmatched requests will go against the\n * network as if there were no service worker present.\n *\n * @param {workbox-routing~handlerCallback} handler A callback\n * function that returns a Promise resulting in a Response.\n * @param {string} [method='GET'] The HTTP method to associate with this\n * default handler. Each method has its own default.\n */\n setDefaultHandler(handler, method = defaultMethod) {\n this._defaultHandlerMap.set(method, normalizeHandler(handler));\n }\n /**\n * If a Route throws an error while handling a request, this `handler`\n * will be called and given a chance to provide a response.\n *\n * @param {workbox-routing~handlerCallback} handler A callback\n * function that returns a Promise resulting in a Response.\n */\n setCatchHandler(handler) {\n this._catchHandler = normalizeHandler(handler);\n }\n /**\n * Registers a route with the router.\n *\n * @param {workbox-routing.Route} route The route to register.\n */\n registerRoute(route) {\n if (process.env.NODE_ENV !== 'production') {\n assert.isType(route, 'object', {\n moduleName: 'workbox-routing',\n className: 'Router',\n funcName: 'registerRoute',\n paramName: 'route',\n });\n assert.hasMethod(route, 'match', {\n moduleName: 'workbox-routing',\n className: 'Router',\n funcName: 'registerRoute',\n paramName: 'route',\n });\n assert.isType(route.handler, 'object', {\n moduleName: 'workbox-routing',\n className: 'Router',\n funcName: 'registerRoute',\n paramName: 'route',\n });\n assert.hasMethod(route.handler, 'handle', {\n moduleName: 'workbox-routing',\n className: 'Router',\n funcName: 'registerRoute',\n paramName: 'route.handler',\n });\n assert.isType(route.method, 'string', {\n moduleName: 'workbox-routing',\n className: 'Router',\n funcName: 'registerRoute',\n paramName: 'route.method',\n });\n }\n if (!this._routes.has(route.method)) {\n this._routes.set(route.method, []);\n }\n // Give precedence to all of the earlier routes by adding this additional\n // route to the end of the array.\n this._routes.get(route.method).push(route);\n }\n /**\n * Unregisters a route with the router.\n *\n * @param {workbox-routing.Route} route The route to unregister.\n */\n unregisterRoute(route) {\n if (!this._routes.has(route.method)) {\n throw new WorkboxError('unregister-route-but-not-found-with-method', {\n method: route.method,\n });\n }\n const routeIndex = this._routes.get(route.method).indexOf(route);\n if (routeIndex > -1) {\n this._routes.get(route.method).splice(routeIndex, 1);\n }\n else {\n throw new WorkboxError('unregister-route-route-not-registered');\n }\n }\n}\nexport { Router };\n","/*\n Copyright 2019 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 { Router } from '../Router.js';\nimport '../_version.js';\nlet defaultRouter;\n/**\n * Creates a new, singleton Router instance if one does not exist. If one\n * does already exist, that instance is returned.\n *\n * @private\n * @return {Router}\n */\nexport const getOrCreateDefaultRouter = () => {\n if (!defaultRouter) {\n defaultRouter = new Router();\n // The helpers that use the default Router assume these listeners exist.\n defaultRouter.addFetchListener();\n defaultRouter.addCacheListener();\n }\n return defaultRouter;\n};\n","/*\n Copyright 2020 Google LLC\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 '../_version.js';\n/**\n * A utility method that makes it easier to use `event.waitUntil` with\n * async functions and return the result.\n *\n * @param {ExtendableEvent} event\n * @param {Function} asyncFn\n * @return {Function}\n * @private\n */\nfunction waitUntil(event, asyncFn) {\n const returnPromise = asyncFn();\n event.waitUntil(returnPromise);\n return returnPromise;\n}\nexport { waitUntil };\n","\"use strict\";\n// @ts-ignore\ntry {\n self['workbox:precaching:6.5.3'] && _();\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 { WorkboxError } from 'workbox-core/_private/WorkboxError.js';\nimport '../_version.js';\n// Name of the search parameter used to store revision info.\nconst REVISION_SEARCH_PARAM = '__WB_REVISION__';\n/**\n * Converts a manifest entry into a versioned URL suitable for precaching.\n *\n * @param {Object|string} entry\n * @return {string} A URL with versioning info.\n *\n * @private\n * @memberof workbox-precaching\n */\nexport function createCacheKey(entry) {\n if (!entry) {\n throw new WorkboxError('add-to-cache-list-unexpected-type', { entry });\n }\n // If a precache manifest entry is a string, it's assumed to be a versioned\n // URL, like '/app.abcd1234.js'. Return as-is.\n if (typeof entry === 'string') {\n const urlObject = new URL(entry, location.href);\n return {\n cacheKey: urlObject.href,\n url: urlObject.href,\n };\n }\n const { revision, url } = entry;\n if (!url) {\n throw new WorkboxError('add-to-cache-list-unexpected-type', { entry });\n }\n // If there's just a URL and no revision, then it's also assumed to be a\n // versioned URL.\n if (!revision) {\n const urlObject = new URL(url, location.href);\n return {\n cacheKey: urlObject.href,\n url: urlObject.href,\n };\n }\n // Otherwise, construct a properly versioned URL using the custom Workbox\n // search parameter along with the revision info.\n const cacheKeyURL = new URL(url, location.href);\n const originalURL = new URL(url, location.href);\n cacheKeyURL.searchParams.set(REVISION_SEARCH_PARAM, revision);\n return {\n cacheKey: cacheKeyURL.href,\n url: originalURL.href,\n };\n}\n","/*\n Copyright 2020 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 '../_version.js';\n/**\n * A plugin, designed to be used with PrecacheController, to determine the\n * of assets that were updated (or not updated) during the install event.\n *\n * @private\n */\nclass PrecacheInstallReportPlugin {\n constructor() {\n this.updatedURLs = [];\n this.notUpdatedURLs = [];\n this.handlerWillStart = async ({ request, state, }) => {\n // TODO: `state` should never be undefined...\n if (state) {\n state.originalRequest = request;\n }\n };\n this.cachedResponseWillBeUsed = async ({ event, state, cachedResponse, }) => {\n if (event.type === 'install') {\n if (state &&\n state.originalRequest &&\n state.originalRequest instanceof Request) {\n // TODO: `state` should never be undefined...\n const url = state.originalRequest.url;\n if (cachedResponse) {\n this.notUpdatedURLs.push(url);\n }\n else {\n this.updatedURLs.push(url);\n }\n }\n }\n return cachedResponse;\n };\n }\n}\nexport { PrecacheInstallReportPlugin };\n","/*\n Copyright 2020 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 '../_version.js';\n/**\n * A plugin, designed to be used with PrecacheController, to translate URLs into\n * the corresponding cache key, based on the current revision info.\n *\n * @private\n */\nclass PrecacheCacheKeyPlugin {\n constructor({ precacheController }) {\n this.cacheKeyWillBeUsed = async ({ request, params, }) => {\n // Params is type any, can't change right now.\n /* eslint-disable */\n const cacheKey = (params === null || params === void 0 ? void 0 : params.cacheKey) ||\n this._precacheController.getCacheKeyForURL(request.url);\n /* eslint-enable */\n return cacheKey\n ? new Request(cacheKey, { headers: request.headers })\n : request;\n };\n this._precacheController = precacheController;\n }\n}\nexport { PrecacheCacheKeyPlugin };\n","/*\n Copyright 2019 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 '../_version.js';\nlet supportStatus;\n/**\n * A utility function that determines whether the current browser supports\n * constructing a new `Response` from a `response.body` stream.\n *\n * @return {boolean} `true`, if the current browser can successfully\n * construct a `Response` from a `response.body` stream, `false` otherwise.\n *\n * @private\n */\nfunction canConstructResponseFromBodyStream() {\n if (supportStatus === undefined) {\n const testResponse = new Response('');\n if ('body' in testResponse) {\n try {\n new Response(testResponse.body);\n supportStatus = true;\n }\n catch (error) {\n supportStatus = false;\n }\n }\n supportStatus = false;\n }\n return supportStatus;\n}\nexport { canConstructResponseFromBodyStream };\n","/*\n Copyright 2019 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 { canConstructResponseFromBodyStream } from './_private/canConstructResponseFromBodyStream.js';\nimport { WorkboxError } from './_private/WorkboxError.js';\nimport './_version.js';\n/**\n * Allows developers to copy a response and modify its `headers`, `status`,\n * or `statusText` values (the values settable via a\n * [`ResponseInit`]{@link https://developer.mozilla.org/en-US/docs/Web/API/Response/Response#Syntax}\n * object in the constructor).\n * To modify these values, pass a function as the second argument. That\n * function will be invoked with a single object with the response properties\n * `{headers, status, statusText}`. The return value of this function will\n * be used as the `ResponseInit` for the new `Response`. To change the values\n * either modify the passed parameter(s) and return it, or return a totally\n * new object.\n *\n * This method is intentionally limited to same-origin responses, regardless of\n * whether CORS was used or not.\n *\n * @param {Response} response\n * @param {Function} modifier\n * @memberof workbox-core\n */\nasync function copyResponse(response, modifier) {\n let origin = null;\n // If response.url isn't set, assume it's cross-origin and keep origin null.\n if (response.url) {\n const responseURL = new URL(response.url);\n origin = responseURL.origin;\n }\n if (origin !== self.location.origin) {\n throw new WorkboxError('cross-origin-copy-response', { origin });\n }\n const clonedResponse = response.clone();\n // Create a fresh `ResponseInit` object by cloning the headers.\n const responseInit = {\n headers: new Headers(clonedResponse.headers),\n status: clonedResponse.status,\n statusText: clonedResponse.statusText,\n };\n // Apply any user modifications.\n const modifiedResponseInit = modifier ? modifier(responseInit) : responseInit;\n // Create the new response from the body stream and `ResponseInit`\n // modifications. Note: not all browsers support the Response.body stream,\n // so fall back to reading the entire body into memory as a blob.\n const body = canConstructResponseFromBodyStream()\n ? clonedResponse.body\n : await clonedResponse.blob();\n return new Response(body, modifiedResponseInit);\n}\nexport { copyResponse };\n","/*\n Copyright 2020 Google LLC\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 '../_version.js';\nfunction stripParams(fullURL, ignoreParams) {\n const strippedURL = new URL(fullURL);\n for (const param of ignoreParams) {\n strippedURL.searchParams.delete(param);\n }\n return strippedURL.href;\n}\n/**\n * Matches an item in the cache, ignoring specific URL params. This is similar\n * to the `ignoreSearch` option, but it allows you to ignore just specific\n * params (while continuing to match on the others).\n *\n * @private\n * @param {Cache} cache\n * @param {Request} request\n * @param {Object} matchOptions\n * @param {Array<string>} ignoreParams\n * @return {Promise<Response|undefined>}\n */\nasync function cacheMatchIgnoreParams(cache, request, ignoreParams, matchOptions) {\n const strippedRequestURL = stripParams(request.url, ignoreParams);\n // If the request doesn't include any ignored params, match as normal.\n if (request.url === strippedRequestURL) {\n return cache.match(request, matchOptions);\n }\n // Otherwise, match by comparing keys\n const keysOptions = Object.assign(Object.assign({}, matchOptions), { ignoreSearch: true });\n const cacheKeys = await cache.keys(request, keysOptions);\n for (const cacheKey of cacheKeys) {\n const strippedCacheKeyURL = stripParams(cacheKey.url, ignoreParams);\n if (strippedRequestURL === strippedCacheKeyURL) {\n return cache.match(cacheKey, matchOptions);\n }\n }\n return;\n}\nexport { cacheMatchIgnoreParams };\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 '../_version.js';\n/**\n * The Deferred class composes Promises in a way that allows for them to be\n * resolved or rejected from outside the constructor. In most cases promises\n * should be used directly, but Deferreds can be necessary when the logic to\n * resolve a promise must be separate.\n *\n * @private\n */\nclass Deferred {\n /**\n * Creates a promise and exposes its resolve and reject functions as methods.\n */\n constructor() {\n this.promise = new Promise((resolve, reject) => {\n this.resolve = resolve;\n this.reject = reject;\n });\n }\n}\nexport { Deferred };\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 '../_version.js';\n// Callbacks to be executed whenever there's a quota error.\n// Can't change Function type right now.\n// eslint-disable-next-line @typescript-eslint/ban-types\nconst quotaErrorCallbacks = new Set();\nexport { quotaErrorCallbacks };\n","\"use strict\";\n// @ts-ignore\ntry {\n self['workbox:strategies:6.5.3'] && _();\n}\ncatch (e) { }\n","/*\n Copyright 2020 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 { assert } from 'workbox-core/_private/assert.js';\nimport { cacheMatchIgnoreParams } from 'workbox-core/_private/cacheMatchIgnoreParams.js';\nimport { Deferred } from 'workbox-core/_private/Deferred.js';\nimport { executeQuotaErrorCallbacks } from 'workbox-core/_private/executeQuotaErrorCallbacks.js';\nimport { getFriendlyURL } from 'workbox-core/_private/getFriendlyURL.js';\nimport { logger } from 'workbox-core/_private/logger.js';\nimport { timeout } from 'workbox-core/_private/timeout.js';\nimport { WorkboxError } from 'workbox-core/_private/WorkboxError.js';\nimport './_version.js';\nfunction toRequest(input) {\n return typeof input === 'string' ? new Request(input) : input;\n}\n/**\n * A class created every time a Strategy instance instance calls\n * {@link workbox-strategies.Strategy~handle} or\n * {@link workbox-strategies.Strategy~handleAll} that wraps all fetch and\n * cache actions around plugin callbacks and keeps track of when the strategy\n * is \"done\" (i.e. all added `event.waitUntil()` promises have resolved).\n *\n * @memberof workbox-strategies\n */\nclass StrategyHandler {\n /**\n * Creates a new instance associated with the passed strategy and event\n * that's handling the request.\n *\n * The constructor also initializes the state that will be passed to each of\n * the plugins handling this request.\n *\n * @param {workbox-strategies.Strategy} strategy\n * @param {Object} options\n * @param {Request|string} options.request A request to run this strategy for.\n * @param {ExtendableEvent} options.event The event associated with the\n * request.\n * @param {URL} [options.url]\n * @param {*} [options.params] The return value from the\n * {@link workbox-routing~matchCallback} (if applicable).\n */\n constructor(strategy, options) {\n this._cacheKeys = {};\n /**\n * The request the strategy is performing (passed to the strategy's\n * `handle()` or `handleAll()` method).\n * @name request\n * @instance\n * @type {Request}\n * @memberof workbox-strategies.StrategyHandler\n */\n /**\n * The event associated with this request.\n * @name event\n * @instance\n * @type {ExtendableEvent}\n * @memberof workbox-strategies.StrategyHandler\n */\n /**\n * A `URL` instance of `request.url` (if passed to the strategy's\n * `handle()` or `handleAll()` method).\n * Note: the `url` param will be present if the strategy was invoked\n * from a workbox `Route` object.\n * @name url\n * @instance\n * @type {URL|undefined}\n * @memberof workbox-strategies.StrategyHandler\n */\n /**\n * A `param` value (if passed to the strategy's\n * `handle()` or `handleAll()` method).\n * Note: the `param` param will be present if the strategy was invoked\n * from a workbox `Route` object and the\n * {@link workbox-routing~matchCallback} returned\n * a truthy value (it will be that value).\n * @name params\n * @instance\n * @type {*|undefined}\n * @memberof workbox-strategies.StrategyHandler\n */\n if (process.env.NODE_ENV !== 'production') {\n assert.isInstance(options.event, ExtendableEvent, {\n moduleName: 'workbox-strategies',\n className: 'StrategyHandler',\n funcName: 'constructor',\n paramName: 'options.event',\n });\n }\n Object.assign(this, options);\n this.event = options.event;\n this._strategy = strategy;\n this._handlerDeferred = new Deferred();\n this._extendLifetimePromises = [];\n // Copy the plugins list (since it's mutable on the strategy),\n // so any mutations don't affect this handler instance.\n this._plugins = [...strategy.plugins];\n this._pluginStateMap = new Map();\n for (const plugin of this._plugins) {\n this._pluginStateMap.set(plugin, {});\n }\n this.event.waitUntil(this._handlerDeferred.promise);\n }\n /**\n * Fetches a given request (and invokes any applicable plugin callback\n * methods) using the `fetchOptions` (for non-navigation requests) and\n * `plugins` defined on the `Strategy` object.\n *\n * The following plugin lifecycle methods are invoked when using this method:\n * - `requestWillFetch()`\n * - `fetchDidSucceed()`\n * - `fetchDidFail()`\n *\n * @param {Request|string} input The URL or request to fetch.\n * @return {Promise<Response>}\n */\n async fetch(input) {\n const { event } = this;\n let request = toRequest(input);\n if (request.mode === 'navigate' &&\n event instanceof FetchEvent &&\n event.preloadResponse) {\n const possiblePreloadResponse = (await event.preloadResponse);\n if (possiblePreloadResponse) {\n if (process.env.NODE_ENV !== 'production') {\n logger.log(`Using a preloaded navigation response for ` +\n `'${getFriendlyURL(request.url)}'`);\n }\n return possiblePreloadResponse;\n }\n }\n // If there is a fetchDidFail plugin, we need to save a clone of the\n // original request before it's either modified by a requestWillFetch\n // plugin or before the original request's body is consumed via fetch().\n const originalRequest = this.hasCallback('fetchDidFail')\n ? request.clone()\n : null;\n try {\n for (const cb of this.iterateCallbacks('requestWillFetch')) {\n request = await cb({ request: request.clone(), event });\n }\n }\n catch (err) {\n if (err instanceof Error) {\n throw new WorkboxError('plugin-error-request-will-fetch', {\n thrownErrorMessage: err.message,\n });\n }\n }\n // The request can be altered by plugins with `requestWillFetch` making\n // the original request (most likely from a `fetch` event) different\n // from the Request we make. Pass both to `fetchDidFail` to aid debugging.\n const pluginFilteredRequest = request.clone();\n try {\n let fetchResponse;\n // See https://github.com/GoogleChrome/workbox/issues/1796\n fetchResponse = await fetch(request, request.mode === 'navigate' ? undefined : this._strategy.fetchOptions);\n if (process.env.NODE_ENV !== 'production') {\n logger.debug(`Network request for ` +\n `'${getFriendlyURL(request.url)}' returned a response with ` +\n `status '${fetchResponse.status}'.`);\n }\n for (const callback of this.iterateCallbacks('fetchDidSucceed')) {\n fetchResponse = await callback({\n event,\n request: pluginFilteredRequest,\n response: fetchResponse,\n });\n }\n return fetchResponse;\n }\n catch (error) {\n if (process.env.NODE_ENV !== 'production') {\n logger.log(`Network request for ` +\n `'${getFriendlyURL(request.url)}' threw an error.`, error);\n }\n // `originalRequest` will only exist if a `fetchDidFail` callback\n // is being used (see above).\n if (originalRequest) {\n await this.runCallbacks('fetchDidFail', {\n error: error,\n event,\n originalRequest: originalRequest.clone(),\n request: pluginFilteredRequest.clone(),\n });\n }\n throw error;\n }\n }\n /**\n * Calls `this.fetch()` and (in the background) runs `this.cachePut()` on\n * the response generated by `this.fetch()`.\n *\n * The call to `this.cachePut()` automatically invokes `this.waitUntil()`,\n * so you do not have to manually call `waitUntil()` on the event.\n *\n * @param {Request|string} input The request or URL to fetch and cache.\n * @return {Promise<Response>}\n */\n async fetchAndCachePut(input) {\n const response = await this.fetch(input);\n const responseClone = response.clone();\n void this.waitUntil(this.cachePut(input, responseClone));\n return response;\n }\n /**\n * Matches a request from the cache (and invokes any applicable plugin\n * callback methods) using the `cacheName`, `matchOptions`, and `plugins`\n * defined on the strategy object.\n *\n * The following plugin lifecycle methods are invoked when using this method:\n * - cacheKeyWillByUsed()\n * - cachedResponseWillByUsed()\n *\n * @param {Request|string} key The Request or URL to use as the cache key.\n * @return {Promise<Response|undefined>} A matching response, if found.\n */\n async cacheMatch(key) {\n const request = toRequest(key);\n let cachedResponse;\n const { cacheName, matchOptions } = this._strategy;\n const effectiveRequest = await this.getCacheKey(request, 'read');\n const multiMatchOptions = Object.assign(Object.assign({}, matchOptions), { cacheName });\n cachedResponse = await caches.match(effectiveRequest, multiMatchOptions);\n if (process.env.NODE_ENV !== 'production') {\n if (cachedResponse) {\n logger.debug(`Found a cached response in '${cacheName}'.`);\n }\n else {\n logger.debug(`No cached response found in '${cacheName}'.`);\n }\n }\n for (const callback of this.iterateCallbacks('cachedResponseWillBeUsed')) {\n cachedResponse =\n (await callback({\n cacheName,\n matchOptions,\n cachedResponse,\n request: effectiveRequest,\n event: this.event,\n })) || undefined;\n }\n return cachedResponse;\n }\n /**\n * Puts a request/response pair in the cache (and invokes any applicable\n * plugin callback methods) using the `cacheName` and `plugins` defined on\n * the strategy object.\n *\n * The following plugin lifecycle methods are invoked when using this method:\n * - cacheKeyWillByUsed()\n * - cacheWillUpdate()\n * - cacheDidUpdate()\n *\n * @param {Request|string} key The request or URL to use as the cache key.\n * @param {Response} response The response to cache.\n * @return {Promise<boolean>} `false` if a cacheWillUpdate caused the response\n * not be cached, and `true` otherwise.\n */\n async cachePut(key, response) {\n const request = toRequest(key);\n // Run in the next task to avoid blocking other cache reads.\n // https://github.com/w3c/ServiceWorker/issues/1397\n await timeout(0);\n const effectiveRequest = await this.getCacheKey(request, 'write');\n if (process.env.NODE_ENV !== 'production') {\n if (effectiveRequest.method && effectiveRequest.method !== 'GET') {\n throw new WorkboxError('attempt-to-cache-non-get-request', {\n url: getFriendlyURL(effectiveRequest.url),\n method: effectiveRequest.method,\n });\n }\n // See https://github.com/GoogleChrome/workbox/issues/2818\n const vary = response.headers.get('Vary');\n if (vary) {\n logger.debug(`The response for ${getFriendlyURL(effectiveRequest.url)} ` +\n `has a 'Vary: ${vary}' header. ` +\n `Consider setting the {ignoreVary: true} option on your strategy ` +\n `to ensure cache matching and deletion works as expected.`);\n }\n }\n if (!response) {\n if (process.env.NODE_ENV !== 'production') {\n logger.error(`Cannot cache non-existent response for ` +\n `'${getFriendlyURL(effectiveRequest.url)}'.`);\n }\n throw new WorkboxError('cache-put-with-no-response', {\n url: getFriendlyURL(effectiveRequest.url),\n });\n }\n const responseToCache = await this._ensureResponseSafeToCache(response);\n if (!responseToCache) {\n if (process.env.NODE_ENV !== 'production') {\n logger.debug(`Response '${getFriendlyURL(effectiveRequest.url)}' ` +\n `will not be cached.`, responseToCache);\n }\n return false;\n }\n const { cacheName, matchOptions } = this._strategy;\n const cache = await self.caches.open(cacheName);\n const hasCacheUpdateCallback = this.hasCallback('cacheDidUpdate');\n const oldResponse = hasCacheUpdateCallback\n ? await cacheMatchIgnoreParams(\n // TODO(philipwalton): the `__WB_REVISION__` param is a precaching\n // feature. Consider into ways to only add this behavior if using\n // precaching.\n cache, effectiveRequest.clone(), ['__WB_REVISION__'], matchOptions)\n : null;\n if (process.env.NODE_ENV !== 'production') {\n logger.debug(`Updating the '${cacheName}' cache with a new Response ` +\n `for ${getFriendlyURL(effectiveRequest.url)}.`);\n }\n try {\n await cache.put(effectiveRequest, hasCacheUpdateCallback ? responseToCache.clone() : responseToCache);\n }\n catch (error) {\n if (error instanceof Error) {\n // See https://developer.mozilla.org/en-US/docs/Web/API/DOMException#exception-QuotaExceededError\n if (error.name === 'QuotaExceededError') {\n await executeQuotaErrorCallbacks();\n }\n throw error;\n }\n }\n for (const callback of this.iterateCallbacks('cacheDidUpdate')) {\n await callback({\n cacheName,\n oldResponse,\n newResponse: responseToCache.clone(),\n request: effectiveRequest,\n event: this.event,\n });\n }\n return true;\n }\n /**\n * Checks the list of plugins for the `cacheKeyWillBeUsed` callback, and\n * executes any of those callbacks found in sequence. The final `Request`\n * object returned by the last plugin is treated as the cache key for cache\n * reads and/or writes. If no `cacheKeyWillBeUsed` plugin callbacks have\n * been registered, the passed request is returned unmodified\n *\n * @param {Request} request\n * @param {string} mode\n * @return {Promise<Request>}\n */\n async getCacheKey(request, mode) {\n const key = `${request.url} | ${mode}`;\n if (!this._cacheKeys[key]) {\n let effectiveRequest = request;\n for (const callback of this.iterateCallbacks('cacheKeyWillBeUsed')) {\n effectiveRequest = toRequest(await callback({\n mode,\n request: effectiveRequest,\n event: this.event,\n // params has a type any can't change right now.\n params: this.params, // eslint-disable-line\n }));\n }\n this._cacheKeys[key] = effectiveRequest;\n }\n return this._cacheKeys[key];\n }\n /**\n * Returns true if the strategy has at least one plugin with the given\n * callback.\n *\n * @param {string} name The name of the callback to check for.\n * @return {boolean}\n */\n hasCallback(name) {\n for (const plugin of this._strategy.plugins) {\n if (name in plugin) {\n return true;\n }\n }\n return false;\n }\n /**\n * Runs all plugin callbacks matching the given name, in order, passing the\n * given param object (merged ith the current plugin state) as the only\n * argument.\n *\n * Note: since this method runs all plugins, it's not suitable for cases\n * where the return value of a callback needs to be applied prior to calling\n * the next callback. See\n * {@link workbox-strategies.StrategyHandler#iterateCallbacks}\n * below for how to handle that case.\n *\n * @param {string} name The name of the callback to run within each plugin.\n * @param {Object} param The object to pass as the first (and only) param\n * when executing each callback. This object will be merged with the\n * current plugin state prior to callback execution.\n */\n async runCallbacks(name, param) {\n for (const callback of this.iterateCallbacks(name)) {\n // TODO(philipwalton): not sure why `any` is needed. It seems like\n // this should work with `as WorkboxPluginCallbackParam[C]`.\n await callback(param);\n }\n }\n /**\n * Accepts a callback and returns an iterable of matching plugin callbacks,\n * where each callback is wrapped with the current handler state (i.e. when\n * you call each callback, whatever object parameter you pass it will\n * be merged with the plugin's current state).\n *\n * @param {string} name The name fo the callback to run\n * @return {Array<Function>}\n */\n *iterateCallbacks(name) {\n for (const plugin of this._strategy.plugins) {\n if (typeof plugin[name] === 'function') {\n const state = this._pluginStateMap.get(plugin);\n const statefulCallback = (param) => {\n const statefulParam = Object.assign(Object.assign({}, param), { state });\n // TODO(philipwalton): not sure why `any` is needed. It seems like\n // this should work with `as WorkboxPluginCallbackParam[C]`.\n return plugin[name](statefulParam);\n };\n yield statefulCallback;\n }\n }\n }\n /**\n * Adds a promise to the\n * [extend lifetime promises]{@link https://w3c.github.io/ServiceWorker/#extendableevent-extend-lifetime-promises}\n * of the event event associated with the request being handled (usually a\n * `FetchEvent`).\n *\n * Note: you can await\n * {@link workbox-strategies.StrategyHandler~doneWaiting}\n * to know when all added promises have settled.\n *\n * @param {Promise} promise A promise to add to the extend lifetime promises\n * of the event that triggered the request.\n */\n waitUntil(promise) {\n this._extendLifetimePromises.push(promise);\n return promise;\n }\n /**\n * Returns a promise that resolves once all promises passed to\n * {@link workbox-strategies.StrategyHandler~waitUntil}\n * have settled.\n *\n * Note: any work done after `doneWaiting()` settles should be manually\n * passed to an event's `waitUntil()` method (not this handler's\n * `waitUntil()` method), otherwise the service worker thread my be killed\n * prior to your work completing.\n */\n async doneWaiting() {\n let promise;\n while ((promise = this._extendLifetimePromises.shift())) {\n await promise;\n }\n }\n /**\n * Stops running the strategy and immediately resolves any pending\n * `waitUntil()` promises.\n */\n destroy() {\n this._handlerDeferred.resolve(null);\n }\n /**\n * This method will call cacheWillUpdate on the available plugins (or use\n * status === 200) to determine if the Response is safe and valid to cache.\n *\n * @param {Request} options.request\n * @param {Response} options.response\n * @return {Promise<Response|undefined>}\n *\n * @private\n */\n async _ensureResponseSafeToCache(response) {\n let responseToCache = response;\n let pluginsUsed = false;\n for (const callback of this.iterateCallbacks('cacheWillUpdate')) {\n responseToCache =\n (await callback({\n request: this.request,\n response: responseToCache,\n event: this.event,\n })) || undefined;\n pluginsUsed = true;\n if (!responseToCache) {\n break;\n }\n }\n if (!pluginsUsed) {\n if (responseToCache && responseToCache.status !== 200) {\n responseToCache = undefined;\n }\n if (process.env.NODE_ENV !== 'production') {\n if (responseToCache) {\n if (responseToCache.status !== 200) {\n if (responseToCache.status === 0) {\n logger.warn(`The response for '${this.request.url}' ` +\n `is an opaque response. The caching strategy that you're ` +\n `using will not cache opaque responses by default.`);\n }\n else {\n logger.debug(`The response for '${this.request.url}' ` +\n `returned a status code of '${response.status}' and won't ` +\n `be cached as a result.`);\n }\n }\n }\n }\n }\n return responseToCache;\n }\n}\nexport { StrategyHandler };\n","/*\n Copyright 2019 Google LLC\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 '../_version.js';\n/**\n * Returns a promise that resolves and the passed number of milliseconds.\n * This utility is an async/await-friendly version of `setTimeout`.\n *\n * @param {number} ms\n * @return {Promise}\n * @private\n */\nexport function timeout(ms) {\n return new Promise((resolve) => setTimeout(resolve, ms));\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*/\nimport '../_version.js';\nconst getFriendlyURL = (url) => {\n const urlObj = new URL(String(url), location.href);\n // See https://github.com/GoogleChrome/workbox/issues/2323\n // We want to include everything, except for the origin if it's same-origin.\n return urlObj.href.replace(new RegExp(`^${location.origin}`), '');\n};\nexport { getFriendlyURL };\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 '../_private/logger.js';\nimport { quotaErrorCallbacks } from '../models/quotaErrorCallbacks.js';\nimport '../_version.js';\n/**\n * Runs all of the callback functions, one at a time sequentially, in the order\n * in which they were registered.\n *\n * @memberof workbox-core\n * @private\n */\nasync function executeQuotaErrorCallbacks() {\n if (process.env.NODE_ENV !== 'production') {\n logger.log(`About to run ${quotaErrorCallbacks.size} ` +\n `callbacks to clean up caches.`);\n }\n for (const callback of quotaErrorCallbacks) {\n await callback();\n if (process.env.NODE_ENV !== 'production') {\n logger.log(callback, 'is complete.');\n }\n }\n if (process.env.NODE_ENV !== 'production') {\n logger.log('Finished running callbacks.');\n }\n}\nexport { executeQuotaErrorCallbacks };\n","/*\n Copyright 2020 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 { cacheNames } from 'workbox-core/_private/cacheNames.js';\nimport { WorkboxError } from 'workbox-core/_private/WorkboxError.js';\nimport { logger } from 'workbox-core/_private/logger.js';\nimport { getFriendlyURL } from 'workbox-core/_private/getFriendlyURL.js';\nimport { StrategyHandler } from './StrategyHandler.js';\nimport './_version.js';\n/**\n * An abstract base class that all other strategy classes must extend from:\n *\n * @memberof workbox-strategies\n */\nclass Strategy {\n /**\n * Creates a new instance of the strategy and sets all documented option\n * properties as public instance properties.\n *\n * Note: if a custom strategy class extends the base Strategy class and does\n * not need more than these properties, it does not need to define its own\n * constructor.\n *\n * @param {Object} [options]\n * @param {string} [options.cacheName] Cache name to store and retrieve\n * requests. Defaults to the cache names provided by\n * {@link workbox-core.cacheNames}.\n * @param {Array<Object>} [options.plugins] [Plugins]{@link https://developers.google.com/web/tools/workbox/guides/using-plugins}\n * to use in conjunction with this caching strategy.\n * @param {Object} [options.fetchOptions] Values passed along to the\n * [`init`](https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/fetch#Parameters)\n * of [non-navigation](https://github.com/GoogleChrome/workbox/issues/1796)\n * `fetch()` requests made by this strategy.\n * @param {Object} [options.matchOptions] The\n * [`CacheQueryOptions`]{@link https://w3c.github.io/ServiceWorker/#dictdef-cachequeryoptions}\n * for any `cache.match()` or `cache.put()` calls made by this strategy.\n */\n constructor(options = {}) {\n /**\n * Cache name to store and retrieve\n * requests. Defaults to the cache names provided by\n * {@link workbox-core.cacheNames}.\n *\n * @type {string}\n */\n this.cacheName = cacheNames.getRuntimeName(options.cacheName);\n /**\n * The list\n * [Plugins]{@link https://developers.google.com/web/tools/workbox/guides/using-plugins}\n * used by this strategy.\n *\n * @type {Array<Object>}\n */\n this.plugins = options.plugins || [];\n /**\n * Values passed along to the\n * [`init`]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/fetch#Parameters}\n * of all fetch() requests made by this strategy.\n *\n * @type {Object}\n */\n this.fetchOptions = options.fetchOptions;\n /**\n * The\n * [`CacheQueryOptions`]{@link https://w3c.github.io/ServiceWorker/#dictdef-cachequeryoptions}\n * for any `cache.match()` or `cache.put()` calls made by this strategy.\n *\n * @type {Object}\n */\n this.matchOptions = options.matchOptions;\n }\n /**\n * Perform a request strategy and returns a `Promise` that will resolve with\n * a `Response`, invoking all relevant plugin callbacks.\n *\n * When a strategy instance is registered with a Workbox\n * {@link workbox-routing.Route}, this method is automatically\n * called when the route matches.\n *\n * Alternatively, this method can be used in a standalone `FetchEvent`\n * listener by passing it to `event.respondWith()`.\n *\n * @param {FetchEvent|Object} options A `FetchEvent` or an object with the\n * properties listed below.\n * @param {Request|string} options.request A request to run this strategy for.\n * @param {ExtendableEvent} options.event The event associated with the\n * request.\n * @param {URL} [options.url]\n * @param {*} [options.params]\n */\n handle(options) {\n const [responseDone] = this.handleAll(options);\n return responseDone;\n }\n /**\n * Similar to {@link workbox-strategies.Strategy~handle}, but\n * instead of just returning a `Promise` that resolves to a `Response` it\n * it will return an tuple of `[response, done]` promises, where the former\n * (`response`) is equivalent to what `handle()` returns, and the latter is a\n * Promise that will resolve once any promises that were added to\n * `event.waitUntil()` as part of performing the strategy have completed.\n *\n * You can await the `done` promise to ensure any extra work performed by\n * the strategy (usually caching responses) completes successfully.\n *\n * @param {FetchEvent|Object} options A `FetchEvent` or an object with the\n * properties listed below.\n * @param {Request|string} options.request A request to run this strategy for.\n * @param {ExtendableEvent} options.event The event associated with the\n * request.\n * @param {URL} [options.url]\n * @param {*} [options.params]\n * @return {Array<Promise>} A tuple of [response, done]\n * promises that can be used to determine when the response resolves as\n * well as when the handler has completed all its work.\n */\n handleAll(options) {\n // Allow for flexible options to be passed.\n if (options instanceof FetchEvent) {\n options = {\n event: options,\n request: options.request,\n };\n }\n const event = options.event;\n const request = typeof options.request === 'string'\n ? new Request(options.request)\n : options.request;\n const params = 'params' in options ? options.params : undefined;\n const handler = new StrategyHandler(this, { event, request, params });\n const responseDone = this._getResponse(handler, request, event);\n const handlerDone = this._awaitComplete(responseDone, handler, request, event);\n // Return an array of promises, suitable for use with Promise.all().\n return [responseDone, handlerDone];\n }\n async _getResponse(handler, request, event) {\n await handler.runCallbacks('handlerWillStart', { event, request });\n let response = undefined;\n try {\n response = await this._handle(request, handler);\n // The \"official\" Strategy subclasses all throw this error automatically,\n // but in case a third-party Strategy doesn't, ensure that we have a\n // consistent failure when there's no response or an error response.\n if (!response || response.type === 'error') {\n throw new WorkboxError('no-response', { url: request.url });\n }\n }\n catch (error) {\n if (error instanceof Error) {\n for (const callback of handler.iterateCallbacks('handlerDidError')) {\n response = await callback({ error, event, request });\n if (response) {\n break;\n }\n }\n }\n if (!response) {\n throw error;\n }\n else if (process.env.NODE_ENV !== 'production') {\n logger.log(`While responding to '${getFriendlyURL(request.url)}', ` +\n `an ${error instanceof Error ? error.toString() : ''} error occurred. Using a fallback response provided by ` +\n `a handlerDidError plugin.`);\n }\n }\n for (const callback of handler.iterateCallbacks('handlerWillRespond')) {\n response = await callback({ event, request, response });\n }\n return response;\n }\n async _awaitComplete(responseDone, handler, request, event) {\n let response;\n let error;\n try {\n response = await responseDone;\n }\n catch (error) {\n // Ignore errors, as response errors should be caught via the `response`\n // promise above. The `done` promise will only throw for errors in\n // promises passed to `handler.waitUntil()`.\n }\n try {\n await handler.runCallbacks('handlerDidRespond', {\n event,\n request,\n response,\n });\n await handler.doneWaiting();\n }\n catch (waitUntilError) {\n if (waitUntilError instanceof Error) {\n error = waitUntilError;\n }\n }\n await handler.runCallbacks('handlerDidComplete', {\n event,\n request,\n response,\n error: error,\n });\n handler.destroy();\n if (error) {\n throw error;\n }\n }\n}\nexport { Strategy };\n/**\n * Classes extending the `Strategy` based class should implement this method,\n * and leverage the {@link workbox-strategies.StrategyHandler}\n * arg to perform all fetching and cache logic, which will ensure all relevant\n * cache, cache options, fetch options and plugins are used (per the current\n * strategy instance).\n *\n * @name _handle\n * @instance\n * @abstract\n * @function\n * @param {Request} request\n * @param {workbox-strategies.StrategyHandler} handler\n * @return {Promise<Response>}\n *\n * @memberof workbox-strategies.Strategy\n */\n","/*\n Copyright 2020 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 { copyResponse } from 'workbox-core/copyResponse.js';\nimport { cacheNames } from 'workbox-core/_private/cacheNames.js';\nimport { getFriendlyURL } from 'workbox-core/_private/getFriendlyURL.js';\nimport { logger } from 'workbox-core/_private/logger.js';\nimport { WorkboxError } from 'workbox-core/_private/WorkboxError.js';\nimport { Strategy } from 'workbox-strategies/Strategy.js';\nimport './_version.js';\n/**\n * A {@link workbox-strategies.Strategy} implementation\n * specifically designed to work with\n * {@link workbox-precaching.PrecacheController}\n * to both cache and fetch precached assets.\n *\n * Note: an instance of this class is created automatically when creating a\n * `PrecacheController`; it's generally not necessary to create this yourself.\n *\n * @extends workbox-strategies.Strategy\n * @memberof workbox-precaching\n */\nclass PrecacheStrategy extends Strategy {\n /**\n *\n * @param {Object} [options]\n * @param {string} [options.cacheName] Cache name to store and retrieve\n * requests. Defaults to the cache names provided by\n * {@link workbox-core.cacheNames}.\n * @param {Array<Object>} [options.plugins] {@link https://developers.google.com/web/tools/workbox/guides/using-plugins|Plugins}\n * to use in conjunction with this caching strategy.\n * @param {Object} [options.fetchOptions] Values passed along to the\n * {@link https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/fetch#Parameters|init}\n * of all fetch() requests made by this strategy.\n * @param {Object} [options.matchOptions] The\n * {@link https://w3c.github.io/ServiceWorker/#dictdef-cachequeryoptions|CacheQueryOptions}\n * for any `cache.match()` or `cache.put()` calls made by this strategy.\n * @param {boolean} [options.fallbackToNetwork=true] Whether to attempt to\n * get the response from the network if there's a precache miss.\n */\n constructor(options = {}) {\n options.cacheName = cacheNames.getPrecacheName(options.cacheName);\n super(options);\n this._fallbackToNetwork =\n options.fallbackToNetwork === false ? false : true;\n // Redirected responses cannot be used to satisfy a navigation request, so\n // any redirected response must be \"copied\" rather than cloned, so the new\n // response doesn't contain the `redirected` flag. See:\n // https://bugs.chromium.org/p/chromium/issues/detail?id=669363&desc=2#c1\n this.plugins.push(PrecacheStrategy.copyRedirectedCacheableResponsesPlugin);\n }\n /**\n * @private\n * @param {Request|string} request A request to run this strategy for.\n * @param {workbox-strategies.StrategyHandler} handler The event that\n * triggered the request.\n * @return {Promise<Response>}\n */\n async _handle(request, handler) {\n const response = await handler.cacheMatch(request);\n if (response) {\n return response;\n }\n // If this is an `install` event for an entry that isn't already cached,\n // then populate the cache.\n if (handler.event && handler.event.type === 'install') {\n return await this._handleInstall(request, handler);\n }\n // Getting here means something went wrong. An entry that should have been\n // precached wasn't found in the cache.\n return await this._handleFetch(request, handler);\n }\n async _handleFetch(request, handler) {\n let response;\n const params = (handler.params || {});\n // Fall back to the network if we're configured to do so.\n if (this._fallbackToNetwork) {\n if (process.env.NODE_ENV !== 'production') {\n logger.warn(`The precached response for ` +\n `${getFriendlyURL(request.url)} in ${this.cacheName} was not ` +\n `found. Falling back to the network.`);\n }\n const integrityInManifest = params.integrity;\n const integrityInRequest = request.integrity;\n const noIntegrityConflict = !integrityInRequest || integrityInRequest === integrityInManifest;\n // Do not add integrity if the original request is no-cors\n // See https://github.com/GoogleChrome/workbox/issues/3096\n response = await handler.fetch(new Request(request, {\n integrity: request.mode !== 'no-cors'\n ? integrityInRequest || integrityInManifest\n : undefined,\n }));\n // It's only \"safe\" to repair the cache if we're using SRI to guarantee\n // that the response matches the precache manifest's expectations,\n // and there's either a) no integrity property in the incoming request\n // or b) there is an integrity, and it matches the precache manifest.\n // See https://github.com/GoogleChrome/workbox/issues/2858\n // Also if the original request users no-cors we don't use integrity.\n // See https://github.com/GoogleChrome/workbox/issues/3096\n if (integrityInManifest &&\n noIntegrityConflict &&\n request.mode !== 'no-cors') {\n this._useDefaultCacheabilityPluginIfNeeded();\n const wasCached = await handler.cachePut(request, response.clone());\n if (process.env.NODE_ENV !== 'production') {\n if (wasCached) {\n logger.log(`A response for ${getFriendlyURL(request.url)} ` +\n `was used to \"repair\" the precache.`);\n }\n }\n }\n }\n else {\n // This shouldn't normally happen, but there are edge cases:\n // https://github.com/GoogleChrome/workbox/issues/1441\n throw new WorkboxError('missing-precache-entry', {\n cacheName: this.cacheName,\n url: request.url,\n });\n }\n if (process.env.NODE_ENV !== 'production') {\n const cacheKey = params.cacheKey || (await handler.getCacheKey(request, 'read'));\n // Workbox is going to handle the route.\n // print the routing details to the console.\n logger.groupCollapsed(`Precaching is responding to: ` + getFriendlyURL(request.url));\n logger.log(`Serving the precached url: ${getFriendlyURL(cacheKey instanceof Request ? cacheKey.url : cacheKey)}`);\n logger.groupCollapsed(`View request details here.`);\n logger.log(request);\n logger.groupEnd();\n logger.groupCollapsed(`View response details here.`);\n logger.log(response);\n logger.groupEnd();\n logger.groupEnd();\n }\n return response;\n }\n async _handleInstall(request, handler) {\n this._useDefaultCacheabilityPluginIfNeeded();\n const response = await handler.fetch(request);\n // Make sure we defer cachePut() until after we know the response\n // should be cached; see https://github.com/GoogleChrome/workbox/issues/2737\n const wasCached = await handler.cachePut(request, response.clone());\n if (!wasCached) {\n // Throwing here will lead to the `install` handler failing, which\n // we want to do if *any* of the responses aren't safe to cache.\n throw new WorkboxError('bad-precaching-response', {\n url: request.url,\n status: response.status,\n });\n }\n return response;\n }\n /**\n * This method is complex, as there a number of things to account for:\n *\n * The `plugins` array can be set at construction, and/or it might be added to\n * to at any time before the strategy is used.\n *\n * At the time the strategy is used (i.e. during an `install` event), there\n * needs to be at least one plugin that implements `cacheWillUpdate` in the\n * array, other than `copyRedirectedCacheableResponsesPlugin`.\n *\n * - If this method is called and there are no suitable `cacheWillUpdate`\n * plugins, we need to add `defaultPrecacheCacheabilityPlugin`.\n *\n * - If this method is called and there is exactly one `cacheWillUpdate`, then\n * we don't have to do anything (this might be a previously added\n * `defaultPrecacheCacheabilityPlugin`, or it might be a custom plugin).\n *\n * - If this method is called and there is more than one `cacheWillUpdate`,\n * then we need to check if one is `defaultPrecacheCacheabilityPlugin`. If so,\n * we need to remove it. (This situation is unlikely, but it could happen if\n * the strategy is used multiple times, the first without a `cacheWillUpdate`,\n * and then later on after manually adding a custom `cacheWillUpdate`.)\n *\n * See https://github.com/GoogleChrome/workbox/issues/2737 for more context.\n *\n * @private\n */\n _useDefaultCacheabilityPluginIfNeeded() {\n let defaultPluginIndex = null;\n let cacheWillUpdatePluginCount = 0;\n for (const [index, plugin] of this.plugins.entries()) {\n // Ignore the copy redirected plugin when determining what to do.\n if (plugin === PrecacheStrategy.copyRedirectedCacheableResponsesPlugin) {\n continue;\n }\n // Save the default plugin's index, in case it needs to be removed.\n if (plugin === PrecacheStrategy.defaultPrecacheCacheabilityPlugin) {\n defaultPluginIndex = index;\n }\n if (plugin.cacheWillUpdate) {\n cacheWillUpdatePluginCount++;\n }\n }\n if (cacheWillUpdatePluginCount === 0) {\n this.plugins.push(PrecacheStrategy.defaultPrecacheCacheabilityPlugin);\n }\n else if (cacheWillUpdatePluginCount > 1 && defaultPluginIndex !== null) {\n // Only remove the default plugin; multiple custom plugins are allowed.\n this.plugins.splice(defaultPluginIndex, 1);\n }\n // Nothing needs to be done if cacheWillUpdatePluginCount is 1\n }\n}\nPrecacheStrategy.defaultPrecacheCacheabilityPlugin = {\n async cacheWillUpdate({ response }) {\n if (!response || response.status >= 400) {\n return null;\n }\n return response;\n },\n};\nPrecacheStrategy.copyRedirectedCacheableResponsesPlugin = {\n async cacheWillUpdate({ response }) {\n return response.redirected ? await copyResponse(response) : response;\n },\n};\nexport { PrecacheStrategy };\n","/*\n Copyright 2019 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 { assert } from 'workbox-core/_private/assert.js';\nimport { cacheNames } from 'workbox-core/_private/cacheNames.js';\nimport { logger } from 'workbox-core/_private/logger.js';\nimport { WorkboxError } from 'workbox-core/_private/WorkboxError.js';\nimport { waitUntil } from 'workbox-core/_private/waitUntil.js';\nimport { createCacheKey } from './utils/createCacheKey.js';\nimport { PrecacheInstallReportPlugin } from './utils/PrecacheInstallReportPlugin.js';\nimport { PrecacheCacheKeyPlugin } from './utils/PrecacheCacheKeyPlugin.js';\nimport { printCleanupDetails } from './utils/printCleanupDetails.js';\nimport { printInstallDetails } from './utils/printInstallDetails.js';\nimport { PrecacheStrategy } from './PrecacheStrategy.js';\nimport './_version.js';\n/**\n * Performs efficient precaching of assets.\n *\n * @memberof workbox-precaching\n */\nclass PrecacheController {\n /**\n * Create a new PrecacheController.\n *\n * @param {Object} [options]\n * @param {string} [options.cacheName] The cache to use for precaching.\n * @param {string} [options.plugins] Plugins to use when precaching as well\n * as responding to fetch events for precached assets.\n * @param {boolean} [options.fallbackToNetwork=true] Whether to attempt to\n * get the response from the network if there's a precache miss.\n */\n constructor({ cacheName, plugins = [], fallbackToNetwork = true, } = {}) {\n this._urlsToCacheKeys = new Map();\n this._urlsToCacheModes = new Map();\n this._cacheKeysToIntegrities = new Map();\n this._strategy = new PrecacheStrategy({\n cacheName: cacheNames.getPrecacheName(cacheName),\n plugins: [\n ...plugins,\n new PrecacheCacheKeyPlugin({ precacheController: this }),\n ],\n fallbackToNetwork,\n });\n // Bind the install and activate methods to the instance.\n this.install = this.install.bind(this);\n this.activate = this.activate.bind(this);\n }\n /**\n * @type {workbox-precaching.PrecacheStrategy} The strategy created by this controller and\n * used to cache assets and respond to fetch events.\n */\n get strategy() {\n return this._strategy;\n }\n /**\n * Adds items to the precache list, removing any duplicates and\n * stores the files in the\n * {@link workbox-core.cacheNames|\"precache cache\"} when the service\n * worker installs.\n *\n * This method can be called multiple times.\n *\n * @param {Array<Object|string>} [entries=[]] Array of entries to precache.\n */\n precache(entries) {\n this.addToCacheList(entries);\n if (!this._installAndActiveListenersAdded) {\n self.addEventListener('install', this.install);\n self.addEventListener('activate', this.activate);\n this._installAndActiveListenersAdded = true;\n }\n }\n /**\n * This method will add items to the precache list, removing duplicates\n * and ensuring the information is valid.\n *\n * @param {Array<workbox-precaching.PrecacheController.PrecacheEntry|string>} entries\n * Array of entries to precache.\n */\n addToCacheList(entries) {\n if (process.env.NODE_ENV !== 'production') {\n assert.isArray(entries, {\n moduleName: 'workbox-precaching',\n className: 'PrecacheController',\n funcName: 'addToCacheList',\n paramName: 'entries',\n });\n }\n const urlsToWarnAbout = [];\n for (const entry of entries) {\n // See https://github.com/GoogleChrome/workbox/issues/2259\n if (typeof entry === 'string') {\n urlsToWarnAbout.push(entry);\n }\n else if (entry && entry.revision === undefined) {\n urlsToWarnAbout.push(entry.url);\n }\n const { cacheKey, url } = createCacheKey(entry);\n const cacheMode = typeof entry !== 'string' && entry.revision ? 'reload' : 'default';\n if (this._urlsToCacheKeys.has(url) &&\n this._urlsToCacheKeys.get(url) !== cacheKey) {\n throw new WorkboxError('add-to-cache-list-conflicting-entries', {\n firstEntry: this._urlsToCacheKeys.get(url),\n secondEntry: cacheKey,\n });\n }\n if (typeof entry !== 'string' && entry.integrity) {\n if (this._cacheKeysToIntegrities.has(cacheKey) &&\n this._cacheKeysToIntegrities.get(cacheKey) !== entry.integrity) {\n throw new WorkboxError('add-to-cache-list-conflicting-integrities', {\n url,\n });\n }\n this._cacheKeysToIntegrities.set(cacheKey, entry.integrity);\n }\n this._urlsToCacheKeys.set(url, cacheKey);\n this._urlsToCacheModes.set(url, cacheMode);\n if (urlsToWarnAbout.length > 0) {\n const warningMessage = `Workbox is precaching URLs without revision ` +\n `info: ${urlsToWarnAbout.join(', ')}\\nThis is generally NOT safe. ` +\n `Learn more at https://bit.ly/wb-precache`;\n if (process.env.NODE_ENV === 'production') {\n // Use console directly to display this warning without bloating\n // bundle sizes by pulling in all of the logger codebase in prod.\n console.warn(warningMessage);\n }\n else {\n logger.warn(warningMessage);\n }\n }\n }\n }\n /**\n * Precaches new and updated assets. Call this method from the service worker\n * install event.\n *\n * Note: this method calls `event.waitUntil()` for you, so you do not need\n * to call it yourself in your event handlers.\n *\n * @param {ExtendableEvent} event\n * @return {Promise<workbox-precaching.InstallResult>}\n */\n install(event) {\n // waitUntil returns Promise<any>\n // eslint-disable-next-line @typescript-eslint/no-unsafe-return\n return waitUntil(event, async () => {\n const installReportPlugin = new PrecacheInstallReportPlugin();\n this.strategy.plugins.push(installReportPlugin);\n // Cache entries one at a time.\n // See https://github.com/GoogleChrome/workbox/issues/2528\n for (const [url, cacheKey] of this._urlsToCacheKeys) {\n const integrity = this._cacheKeysToIntegrities.get(cacheKey);\n const cacheMode = this._urlsToCacheModes.get(url);\n const request = new Request(url, {\n integrity,\n cache: cacheMode,\n credentials: 'same-origin',\n });\n await Promise.all(this.strategy.handleAll({\n params: { cacheKey },\n request,\n event,\n }));\n }\n const { updatedURLs, notUpdatedURLs } = installReportPlugin;\n if (process.env.NODE_ENV !== 'production') {\n printInstallDetails(updatedURLs, notUpdatedURLs);\n }\n return { updatedURLs, notUpdatedURLs };\n });\n }\n /**\n * Deletes assets that are no longer present in the current precache manifest.\n * Call this method from the service worker activate event.\n *\n * Note: this method calls `event.waitUntil()` for you, so you do not need\n * to call it yourself in your event handlers.\n *\n * @param {ExtendableEvent} event\n * @return {Promise<workbox-precaching.CleanupResult>}\n */\n activate(event) {\n // waitUntil returns Promise<any>\n // eslint-disable-next-line @typescript-eslint/no-unsafe-return\n return waitUntil(event, async () => {\n const cache = await self.caches.open(this.strategy.cacheName);\n const currentlyCachedRequests = await cache.keys();\n const expectedCacheKeys = new Set(this._urlsToCacheKeys.values());\n const deletedURLs = [];\n for (const request of currentlyCachedRequests) {\n if (!expectedCacheKeys.has(request.url)) {\n await cache.delete(request);\n deletedURLs.push(request.url);\n }\n }\n if (process.env.NODE_ENV !== 'production') {\n printCleanupDetails(deletedURLs);\n }\n return { deletedURLs };\n });\n }\n /**\n * Returns a mapping of a precached URL to the corresponding cache key, taking\n * into account the revision information for the URL.\n *\n * @return {Map<string, string>} A URL to cache key mapping.\n */\n getURLsToCacheKeys() {\n return this._urlsToCacheKeys;\n }\n /**\n * Returns a list of all the URLs that have been precached by the current\n * service worker.\n *\n * @return {Array<string>} The precached URLs.\n */\n getCachedURLs() {\n return [...this._urlsToCacheKeys.keys()];\n }\n /**\n * Returns the cache key used for storing a given URL. If that URL is\n * unversioned, like `/index.html', then the cache key will be the original\n * URL with a search parameter appended to it.\n *\n * @param {string} url A URL whose cache key you want to look up.\n * @return {string} The versioned URL that corresponds to a cache key\n * for the original URL, or undefined if that URL isn't precached.\n */\n getCacheKeyForURL(url) {\n const urlObject = new URL(url, location.href);\n return this._urlsToCacheKeys.get(urlObject.href);\n }\n /**\n * @param {string} url A cache key whose SRI you want to look up.\n * @return {string} The subresource integrity associated with the cache key,\n * or undefined if it's not set.\n */\n getIntegrityForCacheKey(cacheKey) {\n return this._cacheKeysToIntegrities.get(cacheKey);\n }\n /**\n * This acts as a drop-in replacement for\n * [`cache.match()`](https://developer.mozilla.org/en-US/docs/Web/API/Cache/match)\n * with the following differences:\n *\n * - It knows what the name of the precache is, and only checks in that cache.\n * - It allows you to pass in an \"original\" URL without versioning parameters,\n * and it will automatically look up the correct cache key for the currently\n * active revision of that URL.\n *\n * E.g., `matchPrecache('index.html')` will find the correct precached\n * response for the currently active service worker, even if the actual cache\n * key is `'/index.html?__WB_REVISION__=1234abcd'`.\n *\n * @param {string|Request} request The key (without revisioning parameters)\n * to look up in the precache.\n * @return {Promise<Response|undefined>}\n */\n async matchPrecache(request) {\n const url = request instanceof Request ? request.url : request;\n const cacheKey = this.getCacheKeyForURL(url);\n if (cacheKey) {\n const cache = await self.caches.open(this.strategy.cacheName);\n return cache.match(cacheKey);\n }\n return undefined;\n }\n /**\n * Returns a function that looks up `url` in the precache (taking into\n * account revision information), and returns the corresponding `Response`.\n *\n * @param {string} url The precached URL which will be used to lookup the\n * `Response`.\n * @return {workbox-routing~handlerCallback}\n */\n createHandlerBoundToURL(url) {\n const cacheKey = this.getCacheKeyForURL(url);\n if (!cacheKey) {\n throw new WorkboxError('non-precached-url', { url });\n }\n return (options) => {\n options.request = new Request(url);\n options.params = Object.assign({ cacheKey }, options.params);\n return this.strategy.handle(options);\n };\n }\n}\nexport { PrecacheController };\n","/*\n Copyright 2019 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 { PrecacheController } from '../PrecacheController.js';\nimport '../_version.js';\nlet precacheController;\n/**\n * @return {PrecacheController}\n * @private\n */\nexport const getOrCreatePrecacheController = () => {\n if (!precacheController) {\n precacheController = new PrecacheController();\n }\n return precacheController;\n};\n","/*\n Copyright 2020 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 { getFriendlyURL } from 'workbox-core/_private/getFriendlyURL.js';\nimport { Route } from 'workbox-routing/Route.js';\nimport { generateURLVariations } from './utils/generateURLVariations.js';\nimport './_version.js';\n/**\n * A subclass of {@link workbox-routing.Route} that takes a\n * {@link workbox-precaching.PrecacheController}\n * instance and uses it to match incoming requests and handle fetching\n * responses from the precache.\n *\n * @memberof workbox-precaching\n * @extends workbox-routing.Route\n */\nclass PrecacheRoute extends Route {\n /**\n * @param {PrecacheController} precacheController A `PrecacheController`\n * instance used to both match requests and respond to fetch events.\n * @param {Object} [options] Options to control how requests are matched\n * against the list of precached URLs.\n * @param {string} [options.directoryIndex=index.html] The `directoryIndex` will\n * check cache entries for a URLs ending with '/' to see if there is a hit when\n * appending the `directoryIndex` value.\n * @param {Array<RegExp>} [options.ignoreURLParametersMatching=[/^utm_/, /^fbclid$/]] An\n * array of regex's to remove search params when looking for a cache match.\n * @param {boolean} [options.cleanURLs=true] The `cleanURLs` option will\n * check the cache for the URL with a `.html` added to the end of the end.\n * @param {workbox-precaching~urlManipulation} [options.urlManipulation]\n * This is a function that should take a URL and return an array of\n * alternative URLs that should be checked for precache matches.\n */\n constructor(precacheController, options) {\n const match = ({ request, }) => {\n const urlsToCacheKeys = precacheController.getURLsToCacheKeys();\n for (const possibleURL of generateURLVariations(request.url, options)) {\n const cacheKey = urlsToCacheKeys.get(possibleURL);\n if (cacheKey) {\n const integrity = precacheController.getIntegrityForCacheKey(cacheKey);\n return { cacheKey, integrity };\n }\n }\n if (process.env.NODE_ENV !== 'production') {\n logger.debug(`Precaching did not find a match for ` + getFriendlyURL(request.url));\n }\n return;\n };\n super(match, precacheController.strategy);\n }\n}\nexport { PrecacheRoute };\n","/*\n Copyright 2019 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 { removeIgnoredSearchParams } from './removeIgnoredSearchParams.js';\nimport '../_version.js';\n/**\n * Generator function that yields possible variations on the original URL to\n * check, one at a time.\n *\n * @param {string} url\n * @param {Object} options\n *\n * @private\n * @memberof workbox-precaching\n */\nexport function* generateURLVariations(url, { ignoreURLParametersMatching = [/^utm_/, /^fbclid$/], directoryIndex = 'index.html', cleanURLs = true, urlManipulation, } = {}) {\n const urlObject = new URL(url, location.href);\n urlObject.hash = '';\n yield urlObject.href;\n const urlWithoutIgnoredParams = removeIgnoredSearchParams(urlObject, ignoreURLParametersMatching);\n yield urlWithoutIgnoredParams.href;\n if (directoryIndex && urlWithoutIgnoredParams.pathname.endsWith('/')) {\n const directoryURL = new URL(urlWithoutIgnoredParams.href);\n directoryURL.pathname += directoryIndex;\n yield directoryURL.href;\n }\n if (cleanURLs) {\n const cleanURL = new URL(urlWithoutIgnoredParams.href);\n cleanURL.pathname += '.html';\n yield cleanURL.href;\n }\n if (urlManipulation) {\n const additionalURLs = urlManipulation({ url: urlObject });\n for (const urlToAttempt of additionalURLs) {\n yield urlToAttempt.href;\n }\n }\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*/\nimport '../_version.js';\n/**\n * Removes any URL search parameters that should be ignored.\n *\n * @param {URL} urlObject The original URL.\n * @param {Array<RegExp>} ignoreURLParametersMatching RegExps to test against\n * each search parameter name. Matches mean that the search parameter should be\n * ignored.\n * @return {URL} The URL with any ignored search parameters removed.\n *\n * @private\n * @memberof workbox-precaching\n */\nexport function removeIgnoredSearchParams(urlObject, ignoreURLParametersMatching = []) {\n // Convert the iterable into an array at the start of the loop to make sure\n // deletion doesn't mess up iteration.\n for (const paramName of [...urlObject.searchParams.keys()]) {\n if (ignoreURLParametersMatching.some((regExp) => regExp.test(paramName))) {\n urlObject.searchParams.delete(paramName);\n }\n }\n return urlObject;\n}\n","/*\n Copyright 2019 Google LLC\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 { registerRoute } from 'workbox-routing/registerRoute.js';\nimport { getOrCreatePrecacheController } from './utils/getOrCreatePrecacheController.js';\nimport { PrecacheRoute } from './PrecacheRoute.js';\nimport './_version.js';\n/**\n * Add a `fetch` listener to the service worker that will\n * respond to\n * [network requests]{@link https://developer.mozilla.org/en-US/docs/Web/API/Service_Worker_API/Using_Service_Workers#Custom_responses_to_requests}\n * with precached assets.\n *\n * Requests for assets that aren't precached, the `FetchEvent` will not be\n * responded to, allowing the event to fall through to other `fetch` event\n * listeners.\n *\n * @param {Object} [options] See the {@link workbox-precaching.PrecacheRoute}\n * options.\n *\n * @memberof workbox-precaching\n */\nfunction addRoute(options) {\n const precacheController = getOrCreatePrecacheController();\n const precacheRoute = new PrecacheRoute(precacheController, options);\n registerRoute(precacheRoute);\n}\nexport { addRoute };\n","/*\n Copyright 2019 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 { WorkboxError } from 'workbox-core/_private/WorkboxError.js';\nimport { Route } from './Route.js';\nimport { RegExpRoute } from './RegExpRoute.js';\nimport { getOrCreateDefaultRouter } from './utils/getOrCreateDefaultRouter.js';\nimport './_version.js';\n/**\n * Easily register a RegExp, string, or function with a caching\n * strategy to a singleton Router instance.\n *\n * This method will generate a Route for you if needed and\n * call {@link workbox-routing.Router#registerRoute}.\n *\n * @param {RegExp|string|workbox-routing.Route~matchCallback|workbox-routing.Route} capture\n * If the capture param is a `Route`, all other arguments will be ignored.\n * @param {workbox-routing~handlerCallback} [handler] A callback\n * function that returns a Promise resulting in a Response. This parameter\n * is required if `capture` is not a `Route` object.\n * @param {string} [method='GET'] The HTTP method to match the Route\n * against.\n * @return {workbox-routing.Route} The generated `Route`.\n *\n * @memberof workbox-routing\n */\nfunction registerRoute(capture, handler, method) {\n let route;\n if (typeof capture === 'string') {\n const captureUrl = new URL(capture, location.href);\n if (process.env.NODE_ENV !== 'production') {\n if (!(capture.startsWith('/') || capture.startsWith('http'))) {\n throw new WorkboxError('invalid-string', {\n moduleName: 'workbox-routing',\n funcName: 'registerRoute',\n paramName: 'capture',\n });\n }\n // We want to check if Express-style wildcards are in the pathname only.\n // TODO: Remove this log message in v4.\n const valueToCheck = capture.startsWith('http')\n ? captureUrl.pathname\n : capture;\n // See https://github.com/pillarjs/path-to-regexp#parameters\n const wildcards = '[*:?+]';\n if (new RegExp(`${wildcards}`).exec(valueToCheck)) {\n logger.debug(`The '$capture' parameter contains an Express-style wildcard ` +\n `character (${wildcards}). Strings are now always interpreted as ` +\n `exact matches; use a RegExp for partial or wildcard matches.`);\n }\n }\n const matchCallback = ({ url }) => {\n if (process.env.NODE_ENV !== 'production') {\n if (url.pathname === captureUrl.pathname &&\n url.origin !== captureUrl.origin) {\n logger.debug(`${capture} only partially matches the cross-origin URL ` +\n `${url.toString()}. This route will only handle cross-origin requests ` +\n `if they match the entire URL.`);\n }\n }\n return url.href === captureUrl.href;\n };\n // If `capture` is a string then `handler` and `method` must be present.\n route = new Route(matchCallback, handler, method);\n }\n else if (capture instanceof RegExp) {\n // If `capture` is a `RegExp` then `handler` and `method` must be present.\n route = new RegExpRoute(capture, handler, method);\n }\n else if (typeof capture === 'function') {\n // If `capture` is a function then `handler` and `method` must be present.\n route = new Route(capture, handler, method);\n }\n else if (capture instanceof Route) {\n route = capture;\n }\n else {\n throw new WorkboxError('unsupported-route-type', {\n moduleName: 'workbox-routing',\n funcName: 'registerRoute',\n paramName: 'capture',\n });\n }\n const defaultRouter = getOrCreateDefaultRouter();\n defaultRouter.registerRoute(route);\n return route;\n}\nexport { registerRoute };\n","/*\n Copyright 2019 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 { addRoute } from './addRoute.js';\nimport { precache } from './precache.js';\nimport './_version.js';\n/**\n * This method will add entries to the precache list and add a route to\n * respond to fetch events.\n *\n * This is a convenience method that will call\n * {@link workbox-precaching.precache} and\n * {@link workbox-precaching.addRoute} in a single call.\n *\n * @param {Array<Object|string>} entries Array of entries to precache.\n * @param {Object} [options] See the\n * {@link workbox-precaching.PrecacheRoute} options.\n *\n * @memberof workbox-precaching\n */\nfunction precacheAndRoute(entries, options) {\n precache(entries);\n addRoute(options);\n}\nexport { precacheAndRoute };\n","/*\n Copyright 2019 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 { getOrCreatePrecacheController } from './utils/getOrCreatePrecacheController.js';\nimport './_version.js';\n/**\n * Adds items to the precache list, removing any duplicates and\n * stores the files in the\n * {@link workbox-core.cacheNames|\"precache cache\"} when the service\n * worker installs.\n *\n * This method can be called multiple times.\n *\n * Please note: This method **will not** serve any of the cached files for you.\n * It only precaches files. To respond to a network request you call\n * {@link workbox-precaching.addRoute}.\n *\n * If you have a single array of files to precache, you can just call\n * {@link workbox-precaching.precacheAndRoute}.\n *\n * @param {Array<Object|string>} [entries=[]] Array of entries to precache.\n *\n * @memberof workbox-precaching\n */\nfunction precache(entries) {\n const precacheController = getOrCreatePrecacheController();\n precacheController.precache(entries);\n}\nexport { precache };\n","/*\n Copyright 2019 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 { assert } from './_private/assert.js';\nimport { cacheNames } from './_private/cacheNames.js';\nimport { WorkboxError } from './_private/WorkboxError.js';\nimport './_version.js';\n/**\n * Modifies the default cache names used by the Workbox packages.\n * Cache names are generated as `<prefix>-<Cache Name>-<suffix>`.\n *\n * @param {Object} details\n * @param {Object} [details.prefix] The string to add to the beginning of\n * the precache and runtime cache names.\n * @param {Object} [details.suffix] The string to add to the end of\n * the precache and runtime cache names.\n * @param {Object} [details.precache] The cache name to use for precache\n * caching.\n * @param {Object} [details.runtime] The cache name to use for runtime caching.\n * @param {Object} [details.googleAnalytics] The cache name to use for\n * `workbox-google-analytics` caching.\n *\n * @memberof workbox-core\n */\nfunction setCacheNameDetails(details) {\n if (process.env.NODE_ENV !== 'production') {\n Object.keys(details).forEach((key) => {\n assert.isType(details[key], 'string', {\n moduleName: 'workbox-core',\n funcName: 'setCacheNameDetails',\n paramName: `details.${key}`,\n });\n });\n if ('precache' in details && details['precache'].length === 0) {\n throw new WorkboxError('invalid-cache-name', {\n cacheNameId: 'precache',\n value: details['precache'],\n });\n }\n if ('runtime' in details && details['runtime'].length === 0) {\n throw new WorkboxError('invalid-cache-name', {\n cacheNameId: 'runtime',\n value: details['runtime'],\n });\n }\n if ('googleAnalytics' in details &&\n details['googleAnalytics'].length === 0) {\n throw new WorkboxError('invalid-cache-name', {\n cacheNameId: 'googleAnalytics',\n value: details['googleAnalytics'],\n });\n }\n }\n cacheNames.updateDetails(details);\n}\nexport { setCacheNameDetails 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