Typings for using the Service Worker API with TypeScript

service-worker.d.ts

/**
 * Copyright (c) 2016, Tiernan Cridland
 *
 * Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby
 * granted, provided that the above copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 *
 * Typings for Service Worker
 * @author Tiernan Cridland
 * @email [email protected]
 * @license: ISC
 */

interface Navigator {
	serviceWorker: ServiceWorkerContainer;
}

interface ExtendableEvent extends Event {
	waitUntil(fn: Promise<any>): void;
}

interface ServiceWorker extends Worker {
	scriptURL: string;
	state: ServiceWorkerState;
}

interface ServiceWorkerContainer {
	controller?: ServiceWorker;
	oncontrollerchange?: (event?: Event) => any;
	onerror?: (event?: Event) => any;
	onmessage?: (event?: Event) => any;
	ready: Promise<ServiceWorkerRegistration>;
	getRegistration(scope?: string): Promise<ServiceWorkerRegistration>;
	getRegistrations(): Promise<Array<ServiceWorkerRegistration>>;
	register(url: string, options?: ServiceWorkerRegistrationOptions): Promise<ServiceWorkerRegistration>;
}

interface ServiceWorkerNotificationOptions {
	tag?: string;
}

interface ServiceWorkerRegistration {
	active?: ServiceWorker;
	installing?: ServiceWorker;
	onupdatefound?: (event?: Event) => any;
	pushManager: PushManager;
	scope: string;
	waiting?: ServiceWorker;
	getNotifications(options?: ServiceWorkerNotificationOptions): Promise<Array<Notification>>;
	update(): void;
	unregister(): Promise<boolean>;
}

interface ServiceWorkerRegistrationOptions {
	scope?: string;
}

type ServiceWorkerState = "installing" | "installed" | "activating" | "activated" | "redundant";

// CacheStorage API

interface Cache {
	add(request: Request): Promise<void>;
	addAll(requestArray: Array<Request>): Promise<void>;
	'delete'(request: Request, options?: CacheStorageOptions): Promise<boolean>;
	keys(request?: Request, options?: CacheStorageOptions): Promise<Array<string>>;
	match(request: Request, options?: CacheStorageOptions): Promise<Response>;
	matchAll(request: Request, options?: CacheStorageOptions): Promise<Array<Response>>;
	put(request: Request|string, response: Response): Promise<void>;
}

interface CacheStorage {
	'delete'(cacheName: string): Promise<boolean>;
	has(cacheName: string): Promise<boolean>;
	keys(): Promise<Array<string>>;
	match(request: Request, options?: CacheStorageOptions): Promise<Response>;
	open(cacheName: string): Promise<Cache>;
}

interface CacheStorageOptions {
	cacheName?: string;
	ignoreMethod?: boolean;
	ignoreSearch?: boolean;
	ignoreVary?: boolean;
}

// Client API

interface Client {
	frameType: ClientFrameType;
	id: string;
	url: string;
}

interface Clients {
	claim(): Promise<any>;
	get(id: string): Promise<Client>;
	matchAll(options?: ClientMatchOptions): Promise<Array<Client>>;
	openWindow(url: string): Promise<WindowClient>;
}

interface ClientMatchOptions {
	includeUncontrolled?: boolean;
	type?: ClientMatchTypes;
}

interface WindowClient {
	focused: boolean;
	visibilityState: WindowClientState;
	focus(): Promise<WindowClient>;
	navigate(url: string): Promise<WindowClient>;
}

type ClientFrameType = "auxiliary" | "top-level" | "nested" | "none";
type ClientMatchTypes = "window" | "worker" | "sharedworker" | "all";
type WindowClientState = "hidden" | "visible" | "prerender" | "unloaded";

// Fetch API

interface Body {
	bodyUsed: boolean;
	arrayBuffer(): Promise<ArrayBuffer>;
	blob(): Promise<Blob>;
	formData(): Promise<FormData>;
	json(): Promise<any>;
	text(): Promise<string>;
}

interface FetchEvent extends Event {
	request: Request;
	respondWith(response: Promise<Response>|Response): Promise<Response>;
}

interface InstallEvent extends ExtendableEvent {
	activeWorker: ServiceWorker
}

interface ActivateEvent extends ExtendableEvent {
}

interface Headers {
	new(init?: any): Headers;
	append(name: string, value: string): void;
	'delete'(name: string): void;
	entries(): Array<Array<string>>;
	get(name: string): string;
	getAll(name: string): Array<string>;
	has(name: string): boolean;
	keys(): Array<string>;
	set(name: string, value: string): void;
	values(): Array<string>;
}

interface Request extends Body {
	new(url: string, init?: {
    method?: string,
    url?: string,
    referrer?: string,
    mode?: 'cors'|'no-cors'|'same-origin'|'navigate',
    credentials?: 'omit'|'same-origin'|'include',
    redirect?: 'follow'|'error'|'manual',
    integrity?: string,
    cache?: 'default'|'no-store'|'reload'|'no-cache'|'force-cache'
    headers?: Headers
	}): Request;
	cache: RequestCache;
	credentials: RequestCredentials;
	headers: Headers;
	integrity: string;
	method: string;
	mode: RequestMode;
	referrer: string;
	referrerPolicy: ReferrerPolicy;
	redirect: RequestRedirect;
	url: string;
	clone(): Request;
}

interface Response extends Body {
	new(url: string): Response;
	new(body: Blob|BufferSource|FormData|String, init: {
		status?: number,
		statusText?: string,
		headers?: (Headers|{ [k: string]: string })
	}): Response;
	headers: Headers;
	ok: boolean;
	redirected: boolean;
	status: number;
	statusText: string;
	type: ResponseType;
	url: string;
	useFinalURL: boolean;
	clone(): Response;
	error(): Response;
	redirect(): Response;
}

type ReferrerPolicy = "" | "no-referrer" | "no-referrer-when-downgrade" | "origin-only" | "origin-when-cross-origin" |
	"unsafe-url";
type RequestCache = "default" | "no-store" | "reload" | "no-cache" | "force-cache";
type RequestCredentials = "omit" | "same-origin" | "include";
type RequestMode = "cors" | "no-cors" | "same-origin" | "navigate";
type RequestRedirect = "follow" | "error" | "manual";
type ResponseType = "basic" | "cores" | "error" | "opaque";

// Notification API

interface Notification {
	body: string;
	data: any;
	icon: string;
	lang: string;
	requireInteraction: boolean;
	silent: boolean;
	tag: string;
	timestamp: number;
	title: string;
	close(): void;
	requestPermission(): Promise<string>;
}

interface NotificationEvent {
	action: string;
	notification: Notification;
}

// Push API

interface PushEvent extends ExtendableEvent {
	data: PushMessageData;
}

interface PushManager {
	getSubscription(): Promise<PushSubscription>;
	permissionState(): Promise<string>;
	subscribe(): Promise<PushSubscription>;
}

interface PushMessageData {
	arrayBuffer(): ArrayBuffer;
	blob(): Blob;
	json(): any;
	text(): string;
}

interface PushSubscription {
	endpoint: string;
	getKey(method: string): ArrayBuffer;
	toJSON(): string;
	unsubscribe(): Promise<boolean>;
}

// Sync API

interface SyncEvent extends Event {
	lastChance: boolean;
	tag: string;
}

// ServiceWorkerGlobalScope

declare var Headers: Headers;
declare var Response: Response;
declare var Request: Request;
declare var caches: CacheStorage;
declare var clients: Clients;
declare var onactivate: (event?: ExtendableEvent) => any;
declare var onfetch: (event?: FetchEvent) => any;
declare var oninstall: (event?: ExtendableEvent) => any;
declare var onmessage: (event: MessageEvent) => any;
declare var onnotificationclick: (event?: NotificationEvent) => any;
declare var onnotificationclose: (event?: NotificationEvent) => any;
declare var onpush: (event?: PushEvent) => any;
declare var onpushsubscriptionchange: () => any;
declare var onsync: (event?: SyncEvent) => any;
declare var registration: ServiceWorkerRegistration;

declare function fetch(request: Request|string): Promise<Response>;
declare function skipWaiting(): void;

Just used the waitUntil definition, so thank you!
Anyway, have you tried to suggest this on the DefinitelyTyped or TypeScript repo?

Can you please share how to use waitUntil definition, the code snippet.

me too,, plz,,

Just used the waitUntil definition, so thank you!
Anyway, have you tried to suggest this on the DefinitelyTyped or TypeScript repo?

Can you please share how to use waitUntil definition, the code snippet.

me too,, plz,,

const waitEvent = event as ExtendableEvent