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angular / 12 / api / service-worker / swupdate.html

SwUpdate

class final

Subscribe to update notifications from the Service Worker, trigger update checks, and forcibly activate updates.

class SwUpdate {
  available: Observable<UpdateAvailableEvent>
  activated: Observable<UpdateActivatedEvent>
  unrecoverable: Observable<UnrecoverableStateEvent>
  isEnabled: boolean
  checkForUpdate(): Promise<void>
  activateUpdate(): Promise<void>
}

See also

Provided in

Properties

Property Description
available: Observable<UpdateAvailableEvent> Read-Only

Emits an UpdateAvailableEvent event whenever a new app version is available.
activated: Observable<UpdateActivatedEvent> Read-Only

Emits an UpdateActivatedEvent event whenever the app has been updated to a new version.
unrecoverable: Observable<UnrecoverableStateEvent> Read-Only

Emits an UnrecoverableStateEvent event whenever the version of the app used by the service worker to serve this client is in a broken state that cannot be recovered from without a full page reload.
isEnabled: boolean Read-Only

True if the Service Worker is enabled (supported by the browser and enabled via ServiceWorkerModule).

Methods

checkForUpdate()

checkForUpdate(): Promise<void>

Parameters

There are no parameters.

Returns

Promise<void>
activateUpdate()

activateUpdate(): Promise<void>

Parameters

There are no parameters.

Returns

Promise<void>

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Licensed under the Creative Commons Attribution License 4.0.
https://v12.angular.io/api/service-worker/SwUpdate