ServiceWorkerContainer

The ServiceWorkerContainer interface of the Service Worker API provides an object representing the service worker as an overall unit in the network ecosystem, including facilities to register, unregister and update service workers, and access the state of service workers and their registrations. Available only in secure contexts.

MDN Reference

Properties

Link copied to clipboard

The controller read-only property of the ServiceWorkerContainer interface represents the active ServiceWorker controlling the current page (associated with this ServiceWorkerContainer), or null if the page has no active or activating service worker.

Link copied to clipboard

The ready read-only property of the ServiceWorkerContainer interface provides a way of delaying code execution until a service worker is active.

Functions

Link copied to clipboard
Link copied to clipboard

The getRegistration() method of the ServiceWorkerContainer interface gets a ServiceWorkerRegistration object whose scope URL matches the provided client URL.

Link copied to clipboard
fun getRegistrationAsync(clientURL: String = definedExternally): Promise<ServiceWorkerRegistration?>

The getRegistration() method of the ServiceWorkerContainer interface gets a ServiceWorkerRegistration object whose scope URL matches the provided client URL.

Link copied to clipboard

The getRegistrations() method of the ServiceWorkerContainer interface gets all ServiceWorkerRegistrations associated with a ServiceWorkerContainer, in an array.

Link copied to clipboard

The getRegistrations() method of the ServiceWorkerContainer interface gets all ServiceWorkerRegistrations associated with a ServiceWorkerContainer, in an array.

Link copied to clipboard

The register() method of the ServiceWorkerContainer interface creates or updates a ServiceWorkerRegistration for the given scope.

Link copied to clipboard
fun registerAsync(scriptURL: String, options: RegistrationOptions = definedExternally): Promise<ServiceWorkerRegistration>

The register() method of the ServiceWorkerContainer interface creates or updates a ServiceWorkerRegistration for the given scope.

fun registerAsync(scriptURL: URL, options: RegistrationOptions = definedExternally): Promise<ServiceWorkerRegistration>
Link copied to clipboard

The startMessages() method of the ServiceWorkerContainer interface explicitly starts the flow of messages being dispatched from a service worker to pages under its control (e.g., sent via Client.postMessage()).

Link copied to clipboard