[**@jupyterlite**](../../../README.md)

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[@jupyterlite](../../../README.md) / [@jupyterlite/apputils](../README.md) / IServiceWorkerManager

# Interface: IServiceWorkerManager

Defined in: [packages/apputils/src/tokens.ts:12](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/apputils/src/tokens.ts#L12)

The interface for the ServiceWorkerRegistration.

## Properties

### browsingContextId

> `readonly` **browsingContextId**: `string`

Defined in: [packages/apputils/src/tokens.ts:37](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/apputils/src/tokens.ts#L37)

A unique id to identify the browsing context where the ServiceWorkerManager was instantiated.

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### enabled

> `readonly` **enabled**: `boolean`

Defined in: [packages/apputils/src/tokens.ts:32](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/apputils/src/tokens.ts#L32)

Whether the ServiceWorker is enabled or not.

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### ready

> **ready**: `Promise`\<`void`\>

Defined in: [packages/apputils/src/tokens.ts:42](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/apputils/src/tokens.ts#L42)

A Promise that resolves when the ServiceWorker is registered, or rejects if it cannot

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### registrationChanged

> `readonly` **registrationChanged**: `ISignal`\<`IServiceWorkerManager`, `null` \| `ServiceWorkerRegistration`\>

Defined in: [packages/apputils/src/tokens.ts:24](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/apputils/src/tokens.ts#L24)

Signal fired when the registration changed.

## Methods

### registerStdinHandler()

> **registerStdinHandler**(`pathnameSuffix`, `stdinHandler`): `void`

Defined in: [packages/apputils/src/tokens.ts:49](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/apputils/src/tokens.ts#L49)

Register a handler for stdin requests received via ServiceWorker.

#### Parameters

##### pathnameSuffix

`string`

URL pathname suffix to match such as "kernel" or "terminal".

##### stdinHandler

[`IStdinHandler`](../namespaces/IServiceWorkerManager/interfaces/IStdinHandler.md)

#### Returns

`void`