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- try {
- self['workbox:window:5.1.4'] && _();
- } catch (e) {}
- /*
- Copyright 2019 Google LLC
- Use of this source code is governed by an MIT-style
- license that can be found in the LICENSE file or at
- https://opensource.org/licenses/MIT.
- */
- /**
- * Sends a data object to a service worker via `postMessage` and resolves with
- * a response (if any).
- *
- * A response can be set in a message handler in the service worker by
- * calling `event.ports[0].postMessage(...)`, which will resolve the promise
- * returned by `messageSW()`. If no response is set, the promise will not
- * resolve.
- *
- * @param {ServiceWorker} sw The service worker to send the message to.
- * @param {Object} data An object to send to the service worker.
- * @return {Promise<Object|undefined>}
- * @memberof module:workbox-window
- */
- function messageSW(sw, data) {
- return new Promise(resolve => {
- const messageChannel = new MessageChannel();
- messageChannel.port1.onmessage = event => {
- resolve(event.data);
- };
- sw.postMessage(data, [messageChannel.port2]);
- });
- }
- try {
- self['workbox:core:5.1.4'] && _();
- } catch (e) {}
- /*
- Copyright 2018 Google LLC
- Use of this source code is governed by an MIT-style
- license that can be found in the LICENSE file or at
- https://opensource.org/licenses/MIT.
- */
- /**
- * The Deferred class composes Promises in a way that allows for them to be
- * resolved or rejected from outside the constructor. In most cases promises
- * should be used directly, but Deferreds can be necessary when the logic to
- * resolve a promise must be separate.
- *
- * @private
- */
- class Deferred {
- /**
- * Creates a promise and exposes its resolve and reject functions as methods.
- */
- constructor() {
- this.promise = new Promise((resolve, reject) => {
- this.resolve = resolve;
- this.reject = reject;
- });
- }
- }
- /*
- Copyright 2019 Google LLC
- Use of this source code is governed by an MIT-style
- license that can be found in the LICENSE file or at
- https://opensource.org/licenses/MIT.
- */
- /**
- * A helper function that prevents a promise from being flagged as unused.
- *
- * @private
- **/
- function dontWaitFor(promise) {
- // Effective no-op.
- promise.then(() => {});
- }
- /*
- Copyright 2019 Google LLC
- Use of this source code is governed by an MIT-style
- license that can be found in the LICENSE file or at
- https://opensource.org/licenses/MIT.
- */
- const logger = (() => {
- // Don't overwrite this value if it's already set.
- // See https://github.com/GoogleChrome/workbox/pull/2284#issuecomment-560470923
- if (!('__WB_DISABLE_DEV_LOGS' in self)) {
- self.__WB_DISABLE_DEV_LOGS = false;
- }
- let inGroup = false;
- const methodToColorMap = {
- debug: `#7f8c8d`,
- log: `#2ecc71`,
- warn: `#f39c12`,
- error: `#c0392b`,
- groupCollapsed: `#3498db`,
- groupEnd: null
- };
- const print = function (method, args) {
- if (self.__WB_DISABLE_DEV_LOGS) {
- return;
- }
- if (method === 'groupCollapsed') {
- // Safari doesn't print all console.groupCollapsed() arguments:
- // https://bugs.webkit.org/show_bug.cgi?id=182754
- if (/^((?!chrome|android).)*safari/i.test(navigator.userAgent)) {
- console[method](...args);
- return;
- }
- }
- const styles = [`background: ${methodToColorMap[method]}`, `border-radius: 0.5em`, `color: white`, `font-weight: bold`, `padding: 2px 0.5em`]; // When in a group, the workbox prefix is not displayed.
- const logPrefix = inGroup ? [] : ['%cworkbox', styles.join(';')];
- console[method](...logPrefix, ...args);
- if (method === 'groupCollapsed') {
- inGroup = true;
- }
- if (method === 'groupEnd') {
- inGroup = false;
- }
- };
- const api = {};
- const loggerMethods = Object.keys(methodToColorMap);
- for (const key of loggerMethods) {
- const method = key;
- api[method] = (...args) => {
- print(method, args);
- };
- }
- return api;
- })();
- /*
- Copyright 2019 Google LLC
- Use of this source code is governed by an MIT-style
- license that can be found in the LICENSE file or at
- https://opensource.org/licenses/MIT.
- */
- /**
- * A minimal `EventTarget` shim.
- * This is necessary because not all browsers support constructable
- * `EventTarget`, so using a real `EventTarget` will error.
- * @private
- */
- class WorkboxEventTarget {
- constructor() {
- this._eventListenerRegistry = new Map();
- }
- /**
- * @param {string} type
- * @param {Function} listener
- * @private
- */
- addEventListener(type, listener) {
- const foo = this._getEventListenersByType(type);
- foo.add(listener);
- }
- /**
- * @param {string} type
- * @param {Function} listener
- * @private
- */
- removeEventListener(type, listener) {
- this._getEventListenersByType(type).delete(listener);
- }
- /**
- * @param {Object} event
- * @private
- */
- dispatchEvent(event) {
- event.target = this;
- const listeners = this._getEventListenersByType(event.type);
- for (const listener of listeners) {
- listener(event);
- }
- }
- /**
- * Returns a Set of listeners associated with the passed event type.
- * If no handlers have been registered, an empty Set is returned.
- *
- * @param {string} type The event type.
- * @return {Set<ListenerCallback>} An array of handler functions.
- * @private
- */
- _getEventListenersByType(type) {
- if (!this._eventListenerRegistry.has(type)) {
- this._eventListenerRegistry.set(type, new Set());
- }
- return this._eventListenerRegistry.get(type);
- }
- }
- /*
- Copyright 2019 Google LLC
- Use of this source code is governed by an MIT-style
- license that can be found in the LICENSE file or at
- https://opensource.org/licenses/MIT.
- */
- /**
- * Returns true if two URLs have the same `.href` property. The URLS can be
- * relative, and if they are the current location href is used to resolve URLs.
- *
- * @private
- * @param {string} url1
- * @param {string} url2
- * @return {boolean}
- */
- function urlsMatch(url1, url2) {
- const {
- href
- } = location;
- return new URL(url1, href).href === new URL(url2, href).href;
- }
- /*
- Copyright 2019 Google LLC
- Use of this source code is governed by an MIT-style
- license that can be found in the LICENSE file or at
- https://opensource.org/licenses/MIT.
- */
- /**
- * A minimal `Event` subclass shim.
- * This doesn't *actually* subclass `Event` because not all browsers support
- * constructable `EventTarget`, and using a real `Event` will error.
- * @private
- */
- class WorkboxEvent {
- constructor(type, props) {
- this.type = type;
- Object.assign(this, props);
- }
- }
- /*
- Copyright 2019 Google LLC
- Use of this source code is governed by an MIT-style
- license that can be found in the LICENSE file or at
- https://opensource.org/licenses/MIT.
- */
- // `skipWaiting()` wasn't called. This 200 amount wasn't scientifically
- // chosen, but it seems to avoid false positives in my testing.
- const WAITING_TIMEOUT_DURATION = 200; // The amount of time after a registration that we can reasonably conclude
- // that the registration didn't trigger an update.
- const REGISTRATION_TIMEOUT_DURATION = 60000;
- /**
- * A class to aid in handling service worker registration, updates, and
- * reacting to service worker lifecycle events.
- *
- * @fires [message]{@link module:workbox-window.Workbox#message}
- * @fires [installed]{@link module:workbox-window.Workbox#installed}
- * @fires [waiting]{@link module:workbox-window.Workbox#waiting}
- * @fires [controlling]{@link module:workbox-window.Workbox#controlling}
- * @fires [activated]{@link module:workbox-window.Workbox#activated}
- * @fires [redundant]{@link module:workbox-window.Workbox#redundant}
- * @fires [externalinstalled]{@link module:workbox-window.Workbox#externalinstalled}
- * @fires [externalwaiting]{@link module:workbox-window.Workbox#externalwaiting}
- * @fires [externalactivated]{@link module:workbox-window.Workbox#externalactivated}
- * @memberof module:workbox-window
- */
- class Workbox extends WorkboxEventTarget {
- /**
- * Creates a new Workbox instance with a script URL and service worker
- * options. The script URL and options are the same as those used when
- * calling `navigator.serviceWorker.register(scriptURL, options)`. See:
- * https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerContainer/register
- *
- * @param {string} scriptURL The service worker script associated with this
- * instance.
- * @param {Object} [registerOptions] The service worker options associated
- * with this instance.
- */
- constructor(scriptURL, registerOptions = {}) {
- super();
- this._registerOptions = {};
- this._updateFoundCount = 0; // Deferreds we can resolve later.
- this._swDeferred = new Deferred();
- this._activeDeferred = new Deferred();
- this._controllingDeferred = new Deferred();
- this._registrationTime = 0;
- this._ownSWs = new Set();
- /**
- * @private
- */
- this._onUpdateFound = () => {
- // `this._registration` will never be `undefined` after an update is found.
- const registration = this._registration;
- const installingSW = registration.installing; // If the script URL passed to `navigator.serviceWorker.register()` is
- // different from the current controlling SW's script URL, we know any
- // successful registration calls will trigger an `updatefound` event.
- // But if the registered script URL is the same as the current controlling
- // SW's script URL, we'll only get an `updatefound` event if the file
- // changed since it was last registered. This can be a problem if the user
- // opens up the same page in a different tab, and that page registers
- // a SW that triggers an update. It's a problem because this page has no
- // good way of knowing whether the `updatefound` event came from the SW
- // script it registered or from a registration attempt made by a newer
- // version of the page running in another tab.
- // To minimize the possibility of a false positive, we use the logic here:
- const updateLikelyTriggeredExternally = // Since we enforce only calling `register()` once, and since we don't
- // add the `updatefound` event listener until the `register()` call, if
- // `_updateFoundCount` is > 0 then it means this method has already
- // been called, thus this SW must be external
- this._updateFoundCount > 0 || // If the script URL of the installing SW is different from this
- // instance's script URL, we know it's definitely not from our
- // registration.
- !urlsMatch(installingSW.scriptURL, this._scriptURL) || // If all of the above are false, then we use a time-based heuristic:
- // Any `updatefound` event that occurs long after our registration is
- // assumed to be external.
- performance.now() > this._registrationTime + REGISTRATION_TIMEOUT_DURATION ? // If any of the above are not true, we assume the update was
- // triggered by this instance.
- true : false;
- if (updateLikelyTriggeredExternally) {
- this._externalSW = installingSW;
- registration.removeEventListener('updatefound', this._onUpdateFound);
- } else {
- // If the update was not triggered externally we know the installing
- // SW is the one we registered, so we set it.
- this._sw = installingSW;
- this._ownSWs.add(installingSW);
- this._swDeferred.resolve(installingSW); // The `installing` state isn't something we have a dedicated
- // callback for, but we do log messages for it in development.
- {
- if (navigator.serviceWorker.controller) {
- logger.log('Updated service worker found. Installing now...');
- } else {
- logger.log('Service worker is installing...');
- }
- }
- } // Increment the `updatefound` count, so future invocations of this
- // method can be sure they were triggered externally.
- ++this._updateFoundCount; // Add a `statechange` listener regardless of whether this update was
- // triggered externally, since we have callbacks for both.
- installingSW.addEventListener('statechange', this._onStateChange);
- };
- /**
- * @private
- * @param {Event} originalEvent
- */
- this._onStateChange = originalEvent => {
- // `this._registration` will never be `undefined` after an update is found.
- const registration = this._registration;
- const sw = originalEvent.target;
- const {
- state
- } = sw;
- const isExternal = sw === this._externalSW;
- const eventPrefix = isExternal ? 'external' : '';
- const eventProps = {
- sw,
- originalEvent
- };
- if (!isExternal && this._isUpdate) {
- eventProps.isUpdate = true;
- }
- this.dispatchEvent(new WorkboxEvent(eventPrefix + state, eventProps));
- if (state === 'installed') {
- // This timeout is used to ignore cases where the service worker calls
- // `skipWaiting()` in the install event, thus moving it directly in the
- // activating state. (Since all service workers *must* go through the
- // waiting phase, the only way to detect `skipWaiting()` called in the
- // install event is to observe that the time spent in the waiting phase
- // is very short.)
- // NOTE: we don't need separate timeouts for the own and external SWs
- // since they can't go through these phases at the same time.
- this._waitingTimeout = self.setTimeout(() => {
- // Ensure the SW is still waiting (it may now be redundant).
- if (state === 'installed' && registration.waiting === sw) {
- this.dispatchEvent(new WorkboxEvent(eventPrefix + 'waiting', eventProps));
- {
- if (isExternal) {
- logger.warn('An external service worker has installed but is ' + 'waiting for this client to close before activating...');
- } else {
- logger.warn('The service worker has installed but is waiting ' + 'for existing clients to close before activating...');
- }
- }
- }
- }, WAITING_TIMEOUT_DURATION);
- } else if (state === 'activating') {
- clearTimeout(this._waitingTimeout);
- if (!isExternal) {
- this._activeDeferred.resolve(sw);
- }
- }
- {
- switch (state) {
- case 'installed':
- if (isExternal) {
- logger.warn('An external service worker has installed. ' + 'You may want to suggest users reload this page.');
- } else {
- logger.log('Registered service worker installed.');
- }
- break;
- case 'activated':
- if (isExternal) {
- logger.warn('An external service worker has activated.');
- } else {
- logger.log('Registered service worker activated.');
- if (sw !== navigator.serviceWorker.controller) {
- logger.warn('The registered service worker is active but ' + 'not yet controlling the page. Reload or run ' + '`clients.claim()` in the service worker.');
- }
- }
- break;
- case 'redundant':
- if (sw === this._compatibleControllingSW) {
- logger.log('Previously controlling service worker now redundant!');
- } else if (!isExternal) {
- logger.log('Registered service worker now redundant!');
- }
- break;
- }
- }
- };
- /**
- * @private
- * @param {Event} originalEvent
- */
- this._onControllerChange = originalEvent => {
- const sw = this._sw;
- if (sw === navigator.serviceWorker.controller) {
- this.dispatchEvent(new WorkboxEvent('controlling', {
- sw,
- originalEvent,
- isUpdate: this._isUpdate
- }));
- {
- logger.log('Registered service worker now controlling this page.');
- }
- this._controllingDeferred.resolve(sw);
- }
- };
- /**
- * @private
- * @param {Event} originalEvent
- */
- this._onMessage = async originalEvent => {
- const {
- data,
- source
- } = originalEvent; // Wait until there's an "own" service worker. This is used to buffer
- // `message` events that may be received prior to calling `register()`.
- await this.getSW(); // If the service worker that sent the message is in the list of own
- // service workers for this instance, dispatch a `message` event.
- // NOTE: we check for all previously owned service workers rather than
- // just the current one because some messages (e.g. cache updates) use
- // a timeout when sent and may be delayed long enough for a service worker
- // update to be found.
- if (this._ownSWs.has(source)) {
- this.dispatchEvent(new WorkboxEvent('message', {
- data,
- sw: source,
- originalEvent
- }));
- }
- };
- this._scriptURL = scriptURL;
- this._registerOptions = registerOptions; // Add a message listener immediately since messages received during
- // page load are buffered only until the DOMContentLoaded event:
- // https://github.com/GoogleChrome/workbox/issues/2202
- navigator.serviceWorker.addEventListener('message', this._onMessage);
- }
- /**
- * Registers a service worker for this instances script URL and service
- * worker options. By default this method delays registration until after
- * the window has loaded.
- *
- * @param {Object} [options]
- * @param {Function} [options.immediate=false] Setting this to true will
- * register the service worker immediately, even if the window has
- * not loaded (not recommended).
- */
- async register({
- immediate = false
- } = {}) {
- {
- if (this._registrationTime) {
- logger.error('Cannot re-register a Workbox instance after it has ' + 'been registered. Create a new instance instead.');
- return;
- }
- }
- if (!immediate && document.readyState !== 'complete') {
- await new Promise(res => window.addEventListener('load', res));
- } // Set this flag to true if any service worker was controlling the page
- // at registration time.
- this._isUpdate = Boolean(navigator.serviceWorker.controller); // Before registering, attempt to determine if a SW is already controlling
- // the page, and if that SW script (and version, if specified) matches this
- // instance's script.
- this._compatibleControllingSW = this._getControllingSWIfCompatible();
- this._registration = await this._registerScript(); // If we have a compatible controller, store the controller as the "own"
- // SW, resolve active/controlling deferreds and add necessary listeners.
- if (this._compatibleControllingSW) {
- this._sw = this._compatibleControllingSW;
- this._activeDeferred.resolve(this._compatibleControllingSW);
- this._controllingDeferred.resolve(this._compatibleControllingSW);
- this._compatibleControllingSW.addEventListener('statechange', this._onStateChange, {
- once: true
- });
- } // If there's a waiting service worker with a matching URL before the
- // `updatefound` event fires, it likely means that this site is open
- // in another tab, or the user refreshed the page (and thus the previous
- // page wasn't fully unloaded before this page started loading).
- // https://developers.google.com/web/fundamentals/primers/service-workers/lifecycle#waiting
- const waitingSW = this._registration.waiting;
- if (waitingSW && urlsMatch(waitingSW.scriptURL, this._scriptURL)) {
- // Store the waiting SW as the "own" Sw, even if it means overwriting
- // a compatible controller.
- this._sw = waitingSW; // Run this in the next microtask, so any code that adds an event
- // listener after awaiting `register()` will get this event.
- dontWaitFor(Promise.resolve().then(() => {
- this.dispatchEvent(new WorkboxEvent('waiting', {
- sw: waitingSW,
- wasWaitingBeforeRegister: true
- }));
- {
- logger.warn('A service worker was already waiting to activate ' + 'before this script was registered...');
- }
- }));
- } // If an "own" SW is already set, resolve the deferred.
- if (this._sw) {
- this._swDeferred.resolve(this._sw);
- this._ownSWs.add(this._sw);
- }
- {
- logger.log('Successfully registered service worker.', this._scriptURL);
- if (navigator.serviceWorker.controller) {
- if (this._compatibleControllingSW) {
- logger.debug('A service worker with the same script URL ' + 'is already controlling this page.');
- } else {
- logger.debug('A service worker with a different script URL is ' + 'currently controlling the page. The browser is now fetching ' + 'the new script now...');
- }
- }
- const currentPageIsOutOfScope = () => {
- const scopeURL = new URL(this._registerOptions.scope || this._scriptURL, document.baseURI);
- const scopeURLBasePath = new URL('./', scopeURL.href).pathname;
- return !location.pathname.startsWith(scopeURLBasePath);
- };
- if (currentPageIsOutOfScope()) {
- logger.warn('The current page is not in scope for the registered ' + 'service worker. Was this a mistake?');
- }
- }
- this._registration.addEventListener('updatefound', this._onUpdateFound);
- navigator.serviceWorker.addEventListener('controllerchange', this._onControllerChange, {
- once: true
- });
- return this._registration;
- }
- /**
- * Checks for updates of the registered service worker.
- */
- async update() {
- if (!this._registration) {
- {
- logger.error('Cannot update a Workbox instance without ' + 'being registered. Register the Workbox instance first.');
- }
- return;
- } // Try to update registration
- await this._registration.update();
- }
- /**
- * Resolves to the service worker registered by this instance as soon as it
- * is active. If a service worker was already controlling at registration
- * time then it will resolve to that if the script URLs (and optionally
- * script versions) match, otherwise it will wait until an update is found
- * and activates.
- *
- * @return {Promise<ServiceWorker>}
- */
- get active() {
- return this._activeDeferred.promise;
- }
- /**
- * Resolves to the service worker registered by this instance as soon as it
- * is controlling the page. If a service worker was already controlling at
- * registration time then it will resolve to that if the script URLs (and
- * optionally script versions) match, otherwise it will wait until an update
- * is found and starts controlling the page.
- * Note: the first time a service worker is installed it will active but
- * not start controlling the page unless `clients.claim()` is called in the
- * service worker.
- *
- * @return {Promise<ServiceWorker>}
- */
- get controlling() {
- return this._controllingDeferred.promise;
- }
- /**
- * Resolves with a reference to a service worker that matches the script URL
- * of this instance, as soon as it's available.
- *
- * If, at registration time, there's already an active or waiting service
- * worker with a matching script URL, it will be used (with the waiting
- * service worker taking precedence over the active service worker if both
- * match, since the waiting service worker would have been registered more
- * recently).
- * If there's no matching active or waiting service worker at registration
- * time then the promise will not resolve until an update is found and starts
- * installing, at which point the installing service worker is used.
- *
- * @return {Promise<ServiceWorker>}
- */
- async getSW() {
- // If `this._sw` is set, resolve with that as we want `getSW()` to
- // return the correct (new) service worker if an update is found.
- return this._sw !== undefined ? this._sw : this._swDeferred.promise;
- }
- /**
- * Sends the passed data object to the service worker registered by this
- * instance (via [`getSW()`]{@link module:workbox-window.Workbox#getSW}) and resolves
- * with a response (if any).
- *
- * A response can be set in a message handler in the service worker by
- * calling `event.ports[0].postMessage(...)`, which will resolve the promise
- * returned by `messageSW()`. If no response is set, the promise will never
- * resolve.
- *
- * @param {Object} data An object to send to the service worker
- * @return {Promise<Object>}
- */
- async messageSW(data) {
- const sw = await this.getSW();
- return messageSW(sw, data);
- }
- /**
- * Checks for a service worker already controlling the page and returns
- * it if its script URL matches.
- *
- * @private
- * @return {ServiceWorker|undefined}
- */
- _getControllingSWIfCompatible() {
- const controller = navigator.serviceWorker.controller;
- if (controller && urlsMatch(controller.scriptURL, this._scriptURL)) {
- return controller;
- } else {
- return undefined;
- }
- }
- /**
- * Registers a service worker for this instances script URL and register
- * options and tracks the time registration was complete.
- *
- * @private
- */
- async _registerScript() {
- try {
- const reg = await navigator.serviceWorker.register(this._scriptURL, this._registerOptions); // Keep track of when registration happened, so it can be used in the
- // `this._onUpdateFound` heuristic. Also use the presence of this
- // property as a way to see if `.register()` has been called.
- this._registrationTime = performance.now();
- return reg;
- } catch (error) {
- {
- logger.error(error);
- } // Re-throw the error.
- throw error;
- }
- }
- }
- // -----------------------------------------------------------------------
- /**
- * The `message` event is dispatched any time a `postMessage` is received.
- *
- * @event module:workbox-window.Workbox#message
- * @type {WorkboxEvent}
- * @property {*} data The `data` property from the original `message` event.
- * @property {Event} originalEvent The original [`message`]{@link https://developer.mozilla.org/en-US/docs/Web/API/MessageEvent}
- * event.
- * @property {string} type `message`.
- * @property {Workbox} target The `Workbox` instance.
- */
- /**
- * The `installed` event is dispatched if the state of a
- * [`Workbox`]{@link module:workbox-window.Workbox} instance's
- * [registered service worker]{@link https://developers.google.com/web/tools/workbox/modules/workbox-precaching#def-registered-sw}
- * changes to `installed`.
- *
- * Then can happen either the very first time a service worker is installed,
- * or after an update to the current service worker is found. In the case
- * of an update being found, the event's `isUpdate` property will be `true`.
- *
- * @event module:workbox-window.Workbox#installed
- * @type {WorkboxEvent}
- * @property {ServiceWorker} sw The service worker instance.
- * @property {Event} originalEvent The original [`statechange`]{@link https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker/onstatechange}
- * event.
- * @property {boolean|undefined} isUpdate True if a service worker was already
- * controlling when this `Workbox` instance called `register()`.
- * @property {string} type `installed`.
- * @property {Workbox} target The `Workbox` instance.
- */
- /**
- * The `waiting` event is dispatched if the state of a
- * [`Workbox`]{@link module:workbox-window.Workbox} instance's
- * [registered service worker]{@link https://developers.google.com/web/tools/workbox/modules/workbox-precaching#def-registered-sw}
- * changes to `installed` and then doesn't immediately change to `activating`.
- * It may also be dispatched if a service worker with the same
- * [`scriptURL`]{@link https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker/scriptURL}
- * was already waiting when the [`register()`]{@link module:workbox-window.Workbox#register}
- * method was called.
- *
- * @event module:workbox-window.Workbox#waiting
- * @type {WorkboxEvent}
- * @property {ServiceWorker} sw The service worker instance.
- * @property {Event|undefined} originalEvent The original
- * [`statechange`]{@link https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker/onstatechange}
- * event, or `undefined` in the case where the service worker was waiting
- * to before `.register()` was called.
- * @property {boolean|undefined} isUpdate True if a service worker was already
- * controlling when this `Workbox` instance called `register()`.
- * @property {boolean|undefined} wasWaitingBeforeRegister True if a service worker with
- * a matching `scriptURL` was already waiting when this `Workbox`
- * instance called `register()`.
- * @property {string} type `waiting`.
- * @property {Workbox} target The `Workbox` instance.
- */
- /**
- * The `controlling` event is dispatched if a
- * [`controllerchange`]{@link https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerContainer/oncontrollerchange}
- * fires on the service worker [container]{@link https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerContainer}
- * and the [`scriptURL`]{@link https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker/scriptURL}
- * of the new [controller]{@link https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerContainer/controller}
- * matches the `scriptURL` of the `Workbox` instance's
- * [registered service worker]{@link https://developers.google.com/web/tools/workbox/modules/workbox-precaching#def-registered-sw}.
- *
- * @event module:workbox-window.Workbox#controlling
- * @type {WorkboxEvent}
- * @property {ServiceWorker} sw The service worker instance.
- * @property {Event} originalEvent The original [`controllerchange`]{@link https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerContainer/oncontrollerchange}
- * event.
- * @property {boolean|undefined} isUpdate True if a service worker was already
- * controlling when this service worker was registered.
- * @property {string} type `controlling`.
- * @property {Workbox} target The `Workbox` instance.
- */
- /**
- * The `activated` event is dispatched if the state of a
- * [`Workbox`]{@link module:workbox-window.Workbox} instance's
- * [registered service worker]{@link https://developers.google.com/web/tools/workbox/modules/workbox-precaching#def-registered-sw}
- * changes to `activated`.
- *
- * @event module:workbox-window.Workbox#activated
- * @type {WorkboxEvent}
- * @property {ServiceWorker} sw The service worker instance.
- * @property {Event} originalEvent The original [`statechange`]{@link https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker/onstatechange}
- * event.
- * @property {boolean|undefined} isUpdate True if a service worker was already
- * controlling when this `Workbox` instance called `register()`.
- * @property {string} type `activated`.
- * @property {Workbox} target The `Workbox` instance.
- */
- /**
- * The `redundant` event is dispatched if the state of a
- * [`Workbox`]{@link module:workbox-window.Workbox} instance's
- * [registered service worker]{@link https://developers.google.com/web/tools/workbox/modules/workbox-precaching#def-registered-sw}
- * changes to `redundant`.
- *
- * @event module:workbox-window.Workbox#redundant
- * @type {WorkboxEvent}
- * @property {ServiceWorker} sw The service worker instance.
- * @property {Event} originalEvent The original [`statechange`]{@link https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker/onstatechange}
- * event.
- * @property {boolean|undefined} isUpdate True if a service worker was already
- * controlling when this `Workbox` instance called `register()`.
- * @property {string} type `redundant`.
- * @property {Workbox} target The `Workbox` instance.
- */
- /**
- * The `externalinstalled` event is dispatched if the state of an
- * [external service worker]{@link https://developers.google.com/web/tools/workbox/modules/workbox-window#when_an_unexpected_version_of_the_service_worker_is_found}
- * changes to `installed`.
- *
- * @event module:workbox-window.Workbox#externalinstalled
- * @type {WorkboxEvent}
- * @property {ServiceWorker} sw The service worker instance.
- * @property {Event} originalEvent The original [`statechange`]{@link https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker/onstatechange}
- * event.
- * @property {string} type `externalinstalled`.
- * @property {Workbox} target The `Workbox` instance.
- */
- /**
- * The `externalwaiting` event is dispatched if the state of an
- * [external service worker]{@link https://developers.google.com/web/tools/workbox/modules/workbox-window#when_an_unexpected_version_of_the_service_worker_is_found}
- * changes to `waiting`.
- *
- * @event module:workbox-window.Workbox#externalwaiting
- * @type {WorkboxEvent}
- * @property {ServiceWorker} sw The service worker instance.
- * @property {Event} originalEvent The original [`statechange`]{@link https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker/onstatechange}
- * event.
- * @property {string} type `externalwaiting`.
- * @property {Workbox} target The `Workbox` instance.
- */
- /**
- * The `externalactivated` event is dispatched if the state of an
- * [external service worker]{@link https://developers.google.com/web/tools/workbox/modules/workbox-window#when_an_unexpected_version_of_the_service_worker_is_found}
- * changes to `activated`.
- *
- * @event module:workbox-window.Workbox#externalactivated
- * @type {WorkboxEvent}
- * @property {ServiceWorker} sw The service worker instance.
- * @property {Event} originalEvent The original [`statechange`]{@link https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker/onstatechange}
- * event.
- * @property {string} type `externalactivated`.
- * @property {Workbox} target The `Workbox` instance.
- */
- export { Workbox, messageSW };
- //# sourceMappingURL=workbox-window.dev.mjs.map
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