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- this.workbox = this.workbox || {};
- this.workbox.precaching = (function (exports, assert_js, cacheNames_js, logger_js, WorkboxError_js, waitUntil_js, copyResponse_js, getFriendlyURL_js, Strategy_js, registerRoute_js, Route_js) {
- 'use strict';
- try {
- self['workbox:precaching:6.6.0'] && _();
- } catch (e) {}
-
- const REVISION_SEARCH_PARAM = '__WB_REVISION__';
-
- function createCacheKey(entry) {
- if (!entry) {
- throw new WorkboxError_js.WorkboxError('add-to-cache-list-unexpected-type', {
- entry
- });
- }
-
- if (typeof entry === 'string') {
- const urlObject = new URL(entry, location.href);
- return {
- cacheKey: urlObject.href,
- url: urlObject.href
- };
- }
- const {
- revision,
- url
- } = entry;
- if (!url) {
- throw new WorkboxError_js.WorkboxError('add-to-cache-list-unexpected-type', {
- entry
- });
- }
-
- if (!revision) {
- const urlObject = new URL(url, location.href);
- return {
- cacheKey: urlObject.href,
- url: urlObject.href
- };
- }
-
- const cacheKeyURL = new URL(url, location.href);
- const originalURL = new URL(url, location.href);
- cacheKeyURL.searchParams.set(REVISION_SEARCH_PARAM, revision);
- return {
- cacheKey: cacheKeyURL.href,
- url: originalURL.href
- };
- }
-
-
- class PrecacheInstallReportPlugin {
- constructor() {
- this.updatedURLs = [];
- this.notUpdatedURLs = [];
- this.handlerWillStart = async ({
- request,
- state
- }) => {
-
- if (state) {
- state.originalRequest = request;
- }
- };
- this.cachedResponseWillBeUsed = async ({
- event,
- state,
- cachedResponse
- }) => {
- if (event.type === 'install') {
- if (state && state.originalRequest && state.originalRequest instanceof Request) {
-
- const url = state.originalRequest.url;
- if (cachedResponse) {
- this.notUpdatedURLs.push(url);
- } else {
- this.updatedURLs.push(url);
- }
- }
- }
- return cachedResponse;
- };
- }
- }
-
-
- class PrecacheCacheKeyPlugin {
- constructor({
- precacheController
- }) {
- this.cacheKeyWillBeUsed = async ({
- request,
- params
- }) => {
-
-
- const cacheKey = (params === null || params === void 0 ? void 0 : params.cacheKey) || this._precacheController.getCacheKeyForURL(request.url);
-
- return cacheKey ? new Request(cacheKey, {
- headers: request.headers
- }) : request;
- };
- this._precacheController = precacheController;
- }
- }
-
-
- const logGroup = (groupTitle, deletedURLs) => {
- logger_js.logger.groupCollapsed(groupTitle);
- for (const url of deletedURLs) {
- logger_js.logger.log(url);
- }
- logger_js.logger.groupEnd();
- };
-
- function printCleanupDetails(deletedURLs) {
- const deletionCount = deletedURLs.length;
- if (deletionCount > 0) {
- logger_js.logger.groupCollapsed(`During precaching cleanup, ` + `${deletionCount} cached ` + `request${deletionCount === 1 ? ' was' : 's were'} deleted.`);
- logGroup('Deleted Cache Requests', deletedURLs);
- logger_js.logger.groupEnd();
- }
- }
-
-
- function _nestedGroup(groupTitle, urls) {
- if (urls.length === 0) {
- return;
- }
- logger_js.logger.groupCollapsed(groupTitle);
- for (const url of urls) {
- logger_js.logger.log(url);
- }
- logger_js.logger.groupEnd();
- }
-
- function printInstallDetails(urlsToPrecache, urlsAlreadyPrecached) {
- const precachedCount = urlsToPrecache.length;
- const alreadyPrecachedCount = urlsAlreadyPrecached.length;
- if (precachedCount || alreadyPrecachedCount) {
- let message = `Precaching ${precachedCount} file${precachedCount === 1 ? '' : 's'}.`;
- if (alreadyPrecachedCount > 0) {
- message += ` ${alreadyPrecachedCount} ` + `file${alreadyPrecachedCount === 1 ? ' is' : 's are'} already cached.`;
- }
- logger_js.logger.groupCollapsed(message);
- _nestedGroup(`View newly precached URLs.`, urlsToPrecache);
- _nestedGroup(`View previously precached URLs.`, urlsAlreadyPrecached);
- logger_js.logger.groupEnd();
- }
- }
-
-
- class PrecacheStrategy extends Strategy_js.Strategy {
-
- constructor(options = {}) {
- options.cacheName = cacheNames_js.cacheNames.getPrecacheName(options.cacheName);
- super(options);
- this._fallbackToNetwork = options.fallbackToNetwork === false ? false : true;
-
-
-
- this.plugins.push(PrecacheStrategy.copyRedirectedCacheableResponsesPlugin);
- }
-
- async _handle(request, handler) {
- const response = await handler.cacheMatch(request);
- if (response) {
- return response;
- }
-
- if (handler.event && handler.event.type === 'install') {
- return await this._handleInstall(request, handler);
- }
-
- return await this._handleFetch(request, handler);
- }
- async _handleFetch(request, handler) {
- let response;
- const params = handler.params || {};
- if (this._fallbackToNetwork) {
- {
- logger_js.logger.warn(`The precached response for ` + `${getFriendlyURL_js.getFriendlyURL(request.url)} in ${this.cacheName} was not ` + `found. Falling back to the network.`);
- }
- const integrityInManifest = params.integrity;
- const integrityInRequest = request.integrity;
- const noIntegrityConflict = !integrityInRequest || integrityInRequest === integrityInManifest;
-
- response = await handler.fetch(new Request(request, {
- integrity: request.mode !== 'no-cors' ? integrityInRequest || integrityInManifest : undefined
- }));
-
-
-
-
-
-
- if (integrityInManifest && noIntegrityConflict && request.mode !== 'no-cors') {
- this._useDefaultCacheabilityPluginIfNeeded();
- const wasCached = await handler.cachePut(request, response.clone());
- {
- if (wasCached) {
- logger_js.logger.log(`A response for ${getFriendlyURL_js.getFriendlyURL(request.url)} ` + `was used to "repair" the precache.`);
- }
- }
- }
- } else {
-
-
- throw new WorkboxError_js.WorkboxError('missing-precache-entry', {
- cacheName: this.cacheName,
- url: request.url
- });
- }
- {
- const cacheKey = params.cacheKey || (await handler.getCacheKey(request, 'read'));
-
- logger_js.logger.groupCollapsed(`Precaching is responding to: ` + getFriendlyURL_js.getFriendlyURL(request.url));
- logger_js.logger.log(`Serving the precached url: ${getFriendlyURL_js.getFriendlyURL(cacheKey instanceof Request ? cacheKey.url : cacheKey)}`);
- logger_js.logger.groupCollapsed(`View request details here.`);
- logger_js.logger.log(request);
- logger_js.logger.groupEnd();
- logger_js.logger.groupCollapsed(`View response details here.`);
- logger_js.logger.log(response);
- logger_js.logger.groupEnd();
- logger_js.logger.groupEnd();
- }
- return response;
- }
- async _handleInstall(request, handler) {
- this._useDefaultCacheabilityPluginIfNeeded();
- const response = await handler.fetch(request);
-
- const wasCached = await handler.cachePut(request, response.clone());
- if (!wasCached) {
-
-
- throw new WorkboxError_js.WorkboxError('bad-precaching-response', {
- url: request.url,
- status: response.status
- });
- }
- return response;
- }
-
- _useDefaultCacheabilityPluginIfNeeded() {
- let defaultPluginIndex = null;
- let cacheWillUpdatePluginCount = 0;
- for (const [index, plugin] of this.plugins.entries()) {
-
- if (plugin === PrecacheStrategy.copyRedirectedCacheableResponsesPlugin) {
- continue;
- }
- if (plugin === PrecacheStrategy.defaultPrecacheCacheabilityPlugin) {
- defaultPluginIndex = index;
- }
- if (plugin.cacheWillUpdate) {
- cacheWillUpdatePluginCount++;
- }
- }
- if (cacheWillUpdatePluginCount === 0) {
- this.plugins.push(PrecacheStrategy.defaultPrecacheCacheabilityPlugin);
- } else if (cacheWillUpdatePluginCount > 1 && defaultPluginIndex !== null) {
-
- this.plugins.splice(defaultPluginIndex, 1);
- }
- }
- }
- PrecacheStrategy.defaultPrecacheCacheabilityPlugin = {
- async cacheWillUpdate({
- response
- }) {
- if (!response || response.status >= 400) {
- return null;
- }
- return response;
- }
- };
- PrecacheStrategy.copyRedirectedCacheableResponsesPlugin = {
- async cacheWillUpdate({
- response
- }) {
- return response.redirected ? await copyResponse_js.copyResponse(response) : response;
- }
- };
-
-
- class PrecacheController {
-
- constructor({
- cacheName,
- plugins = [],
- fallbackToNetwork = true
- } = {}) {
- this._urlsToCacheKeys = new Map();
- this._urlsToCacheModes = new Map();
- this._cacheKeysToIntegrities = new Map();
- this._strategy = new PrecacheStrategy({
- cacheName: cacheNames_js.cacheNames.getPrecacheName(cacheName),
- plugins: [...plugins, new PrecacheCacheKeyPlugin({
- precacheController: this
- })],
- fallbackToNetwork
- });
- this.install = this.install.bind(this);
- this.activate = this.activate.bind(this);
- }
-
- get strategy() {
- return this._strategy;
- }
-
- precache(entries) {
- this.addToCacheList(entries);
- if (!this._installAndActiveListenersAdded) {
- self.addEventListener('install', this.install);
- self.addEventListener('activate', this.activate);
- this._installAndActiveListenersAdded = true;
- }
- }
-
- addToCacheList(entries) {
- {
- assert_js.assert.isArray(entries, {
- moduleName: 'workbox-precaching',
- className: 'PrecacheController',
- funcName: 'addToCacheList',
- paramName: 'entries'
- });
- }
- const urlsToWarnAbout = [];
- for (const entry of entries) {
-
- if (typeof entry === 'string') {
- urlsToWarnAbout.push(entry);
- } else if (entry && entry.revision === undefined) {
- urlsToWarnAbout.push(entry.url);
- }
- const {
- cacheKey,
- url
- } = createCacheKey(entry);
- const cacheMode = typeof entry !== 'string' && entry.revision ? 'reload' : 'default';
- if (this._urlsToCacheKeys.has(url) && this._urlsToCacheKeys.get(url) !== cacheKey) {
- throw new WorkboxError_js.WorkboxError('add-to-cache-list-conflicting-entries', {
- firstEntry: this._urlsToCacheKeys.get(url),
- secondEntry: cacheKey
- });
- }
- if (typeof entry !== 'string' && entry.integrity) {
- if (this._cacheKeysToIntegrities.has(cacheKey) && this._cacheKeysToIntegrities.get(cacheKey) !== entry.integrity) {
- throw new WorkboxError_js.WorkboxError('add-to-cache-list-conflicting-integrities', {
- url
- });
- }
- this._cacheKeysToIntegrities.set(cacheKey, entry.integrity);
- }
- this._urlsToCacheKeys.set(url, cacheKey);
- this._urlsToCacheModes.set(url, cacheMode);
- if (urlsToWarnAbout.length > 0) {
- const warningMessage = `Workbox is precaching URLs without revision ` + `info: ${urlsToWarnAbout.join(', ')}\nThis is generally NOT safe. ` + `Learn more at https://bit.ly/wb-precache`;
- {
- logger_js.logger.warn(warningMessage);
- }
- }
- }
- }
-
- install(event) {
-
-
- return waitUntil_js.waitUntil(event, async () => {
- const installReportPlugin = new PrecacheInstallReportPlugin();
- this.strategy.plugins.push(installReportPlugin);
-
- for (const [url, cacheKey] of this._urlsToCacheKeys) {
- const integrity = this._cacheKeysToIntegrities.get(cacheKey);
- const cacheMode = this._urlsToCacheModes.get(url);
- const request = new Request(url, {
- integrity,
- cache: cacheMode,
- credentials: 'same-origin'
- });
- await Promise.all(this.strategy.handleAll({
- params: {
- cacheKey
- },
- request,
- event
- }));
- }
- const {
- updatedURLs,
- notUpdatedURLs
- } = installReportPlugin;
- {
- printInstallDetails(updatedURLs, notUpdatedURLs);
- }
- return {
- updatedURLs,
- notUpdatedURLs
- };
- });
- }
-
- activate(event) {
-
-
- return waitUntil_js.waitUntil(event, async () => {
- const cache = await self.caches.open(this.strategy.cacheName);
- const currentlyCachedRequests = await cache.keys();
- const expectedCacheKeys = new Set(this._urlsToCacheKeys.values());
- const deletedURLs = [];
- for (const request of currentlyCachedRequests) {
- if (!expectedCacheKeys.has(request.url)) {
- await cache.delete(request);
- deletedURLs.push(request.url);
- }
- }
- {
- printCleanupDetails(deletedURLs);
- }
- return {
- deletedURLs
- };
- });
- }
-
- getURLsToCacheKeys() {
- return this._urlsToCacheKeys;
- }
-
- getCachedURLs() {
- return [...this._urlsToCacheKeys.keys()];
- }
-
- getCacheKeyForURL(url) {
- const urlObject = new URL(url, location.href);
- return this._urlsToCacheKeys.get(urlObject.href);
- }
-
- getIntegrityForCacheKey(cacheKey) {
- return this._cacheKeysToIntegrities.get(cacheKey);
- }
-
- async matchPrecache(request) {
- const url = request instanceof Request ? request.url : request;
- const cacheKey = this.getCacheKeyForURL(url);
- if (cacheKey) {
- const cache = await self.caches.open(this.strategy.cacheName);
- return cache.match(cacheKey);
- }
- return undefined;
- }
-
- createHandlerBoundToURL(url) {
- const cacheKey = this.getCacheKeyForURL(url);
- if (!cacheKey) {
- throw new WorkboxError_js.WorkboxError('non-precached-url', {
- url
- });
- }
- return options => {
- options.request = new Request(url);
- options.params = Object.assign({
- cacheKey
- }, options.params);
- return this.strategy.handle(options);
- };
- }
- }
-
- let precacheController;
-
- const getOrCreatePrecacheController = () => {
- if (!precacheController) {
- precacheController = new PrecacheController();
- }
- return precacheController;
- };
-
-
- function addPlugins(plugins) {
- const precacheController = getOrCreatePrecacheController();
- precacheController.strategy.plugins.push(...plugins);
- }
-
-
- function removeIgnoredSearchParams(urlObject, ignoreURLParametersMatching = []) {
-
-
- for (const paramName of [...urlObject.searchParams.keys()]) {
- if (ignoreURLParametersMatching.some(regExp => regExp.test(paramName))) {
- urlObject.searchParams.delete(paramName);
- }
- }
- return urlObject;
- }
-
-
- function* generateURLVariations(url, {
- ignoreURLParametersMatching = [/^utm_/, /^fbclid$/],
- directoryIndex = 'index.html',
- cleanURLs = true,
- urlManipulation
- } = {}) {
- const urlObject = new URL(url, location.href);
- urlObject.hash = '';
- yield urlObject.href;
- const urlWithoutIgnoredParams = removeIgnoredSearchParams(urlObject, ignoreURLParametersMatching);
- yield urlWithoutIgnoredParams.href;
- if (directoryIndex && urlWithoutIgnoredParams.pathname.endsWith('/')) {
- const directoryURL = new URL(urlWithoutIgnoredParams.href);
- directoryURL.pathname += directoryIndex;
- yield directoryURL.href;
- }
- if (cleanURLs) {
- const cleanURL = new URL(urlWithoutIgnoredParams.href);
- cleanURL.pathname += '.html';
- yield cleanURL.href;
- }
- if (urlManipulation) {
- const additionalURLs = urlManipulation({
- url: urlObject
- });
- for (const urlToAttempt of additionalURLs) {
- yield urlToAttempt.href;
- }
- }
- }
-
-
- class PrecacheRoute extends Route_js.Route {
-
- constructor(precacheController, options) {
- const match = ({
- request
- }) => {
- const urlsToCacheKeys = precacheController.getURLsToCacheKeys();
- for (const possibleURL of generateURLVariations(request.url, options)) {
- const cacheKey = urlsToCacheKeys.get(possibleURL);
- if (cacheKey) {
- const integrity = precacheController.getIntegrityForCacheKey(cacheKey);
- return {
- cacheKey,
- integrity
- };
- }
- }
- {
- logger_js.logger.debug(`Precaching did not find a match for ` + getFriendlyURL_js.getFriendlyURL(request.url));
- }
- return;
- };
- super(match, precacheController.strategy);
- }
- }
-
-
- function addRoute(options) {
- const precacheController = getOrCreatePrecacheController();
- const precacheRoute = new PrecacheRoute(precacheController, options);
- registerRoute_js.registerRoute(precacheRoute);
- }
-
- const SUBSTRING_TO_FIND = '-precache-';
-
- const deleteOutdatedCaches = async (currentPrecacheName, substringToFind = SUBSTRING_TO_FIND) => {
- const cacheNames = await self.caches.keys();
- const cacheNamesToDelete = cacheNames.filter(cacheName => {
- return cacheName.includes(substringToFind) && cacheName.includes(self.registration.scope) && cacheName !== currentPrecacheName;
- });
- await Promise.all(cacheNamesToDelete.map(cacheName => self.caches.delete(cacheName)));
- return cacheNamesToDelete;
- };
-
-
- function cleanupOutdatedCaches() {
-
- self.addEventListener('activate', event => {
- const cacheName = cacheNames_js.cacheNames.getPrecacheName();
- event.waitUntil(deleteOutdatedCaches(cacheName).then(cachesDeleted => {
- {
- if (cachesDeleted.length > 0) {
- logger_js.logger.log(`The following out-of-date precaches were cleaned up ` + `automatically:`, cachesDeleted);
- }
- }
- }));
- });
- }
-
-
- function createHandlerBoundToURL(url) {
- const precacheController = getOrCreatePrecacheController();
- return precacheController.createHandlerBoundToURL(url);
- }
-
-
- function getCacheKeyForURL(url) {
- const precacheController = getOrCreatePrecacheController();
- return precacheController.getCacheKeyForURL(url);
- }
-
-
- function matchPrecache(request) {
- const precacheController = getOrCreatePrecacheController();
- return precacheController.matchPrecache(request);
- }
-
-
- function precache(entries) {
- const precacheController = getOrCreatePrecacheController();
- precacheController.precache(entries);
- }
-
-
- function precacheAndRoute(entries, options) {
- precache(entries);
- addRoute(options);
- }
-
-
- class PrecacheFallbackPlugin {
-
- constructor({
- fallbackURL,
- precacheController
- }) {
-
- this.handlerDidError = () => this._precacheController.matchPrecache(this._fallbackURL);
- this._fallbackURL = fallbackURL;
- this._precacheController = precacheController || getOrCreatePrecacheController();
- }
- }
- exports.PrecacheController = PrecacheController;
- exports.PrecacheFallbackPlugin = PrecacheFallbackPlugin;
- exports.PrecacheRoute = PrecacheRoute;
- exports.PrecacheStrategy = PrecacheStrategy;
- exports.addPlugins = addPlugins;
- exports.addRoute = addRoute;
- exports.cleanupOutdatedCaches = cleanupOutdatedCaches;
- exports.createHandlerBoundToURL = createHandlerBoundToURL;
- exports.getCacheKeyForURL = getCacheKeyForURL;
- exports.matchPrecache = matchPrecache;
- exports.precache = precache;
- exports.precacheAndRoute = precacheAndRoute;
- return exports;
- }({}, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core, workbox.core._private, workbox.strategies, workbox.routing, workbox.routing));
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