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hexo/node_modules/workbox-window/build/workbox-window.dev.mjs

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try {
self['workbox:window:6.5.3'] && _();
} 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 workbox-window
*/
// Better not change type of data.
// eslint-disable-next-line @typescript-eslint/ban-types
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:6.5.3'] && _();
} 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.
void 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 // No colored prefix on groupEnd
};
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;
}
}; // eslint-disable-next-line @typescript-eslint/ban-types
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; // The de facto standard message that a service worker should be listening for
// to trigger a call to skipWaiting().
const SKIP_WAITING_MESSAGE = {
type: 'SKIP_WAITING'
};
/**
* A class to aid in handling service worker registration, updates, and
* reacting to service worker lifecycle events.
*
* @fires {@link workbox-window.Workbox#message}
* @fires {@link workbox-window.Workbox#installed}
* @fires {@link workbox-window.Workbox#waiting}
* @fires {@link workbox-window.Workbox#controlling}
* @fires {@link workbox-window.Workbox#activated}
* @fires {@link workbox-window.Workbox#redundant}
* @memberof 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)](https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerContainer/register).
*
* @param {string|TrustedScriptURL} scriptURL The service worker script
* associated with this instance. Using a
* [`TrustedScriptURL`](https://web.dev/trusted-types/) is supported.
* @param {Object} [registerOptions] The service worker options associated
* with this instance.
*/
// eslint-disable-next-line @typescript-eslint/ban-types
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.toString()) || // 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 eventProps = {
sw,
isExternal,
originalEvent
};
if (!isExternal && this._isUpdate) {
eventProps.isUpdate = true;
}
this.dispatchEvent(new WorkboxEvent(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('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;
const isExternal = sw !== navigator.serviceWorker.controller; // Unconditionally dispatch the controlling event, with isExternal set
// to distinguish between controller changes due to the initial registration
// vs. an update-check or other tab's registration.
// See https://github.com/GoogleChrome/workbox/issues/2786
this.dispatchEvent(new WorkboxEvent('controlling', {
isExternal,
originalEvent,
sw,
isUpdate: this._isUpdate
}));
if (!isExternal) {
{
logger.log('Registered service worker now controlling this page.');
}
this._controllingDeferred.resolve(sw);
}
};
/**
* @private
* @param {Event} originalEvent
*/
this._onMessage = async originalEvent => {
// Can't change type 'any' of data.
// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
const {
data,
ports,
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', {
// Can't change type 'any' of data.
// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
data,
originalEvent,
ports,
sw: source
}));
}
};
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.toString())) {
// 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.toString());
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.toString(), 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);
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>}
*/
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 ? Promise.resolve(this._sw) : this._swDeferred.promise;
}
/**
* Sends the passed data object to the service worker registered by this
* instance (via {@link 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>}
*/
// We might be able to change the 'data' type to Record<string, unknown> in the future.
// eslint-disable-next-line @typescript-eslint/ban-types
async messageSW(data) {
const sw = await this.getSW();
return messageSW(sw, data);
}
/**
* Sends a `{type: 'SKIP_WAITING'}` message to the service worker that's
* currently in the `waiting` state associated with the current registration.
*
* If there is no current registration or no service worker is `waiting`,
* calling this will have no effect.
*/
messageSkipWaiting() {
if (this._registration && this._registration.waiting) {
void messageSW(this._registration.waiting, SKIP_WAITING_MESSAGE);
}
}
/**
* 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.toString())) {
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 {
// this._scriptURL may be a TrustedScriptURL, but there's no support for
// passing that to register() in lib.dom right now.
// https://github.com/GoogleChrome/workbox/issues/2855
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 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 {MessagePort[]} ports The `ports` value from `originalEvent`.
* @property {Workbox} target The `Workbox` instance.
*/
/**
* The `installed` event is dispatched if the state of a
* {@link workbox-window.Workbox} instance's
* {@link https://developers.google.com/web/tools/workbox/modules/workbox-precaching#def-registered-sw|registered service worker}
* 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 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 {boolean|undefined} isExternal True if this event is associated
* with 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}.
* @property {string} type `installed`.
* @property {Workbox} target The `Workbox` instance.
*/
/**
* The `waiting` event is dispatched if the state of a
* {@link 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 {@link workbox-window.Workbox#register}
* method was called.
*
* @event 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} isExternal True if this event is associated
* with 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}.
* @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 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 {boolean|undefined} isExternal True if this event is associated
* with 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}.
* @property {string} type `controlling`.
* @property {Workbox} target The `Workbox` instance.
*/
/**
* The `activated` event is dispatched if the state of a
* {@link workbox-window.Workbox} instance's
* {@link https://developers.google.com/web/tools/workbox/modules/workbox-precaching#def-registered-sw|registered service worker}
* changes to `activated`.
*
* @event 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 {boolean|undefined} isExternal True if this event is associated
* with 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}.
* @property {string} type `activated`.
* @property {Workbox} target The `Workbox` instance.
*/
/**
* The `redundant` event is dispatched if the state of a
* {@link 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 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.
*/
export { Workbox, WorkboxEvent, messageSW };
//# sourceMappingURL=workbox-window.dev.mjs.map
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