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

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[@jupyterlite](../../../README.md) / [@jupyterlite/services](../README.md) / IWorkerKernel

# Interface: IWorkerKernel

Defined in: [packages/services/src/kernel/tokens.ts:173](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/services/src/kernel/tokens.ts#L173)

An interface for a comlink-based worker kernel

## Methods

### commClose()

> **commClose**(`content`, `parent`): `Promise`\<`void`\>

Defined in: [packages/services/src/kernel/tokens.ts:200](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/services/src/kernel/tokens.ts#L200)

#### Parameters

##### content

`ICommCloseMsg`

##### parent

`any`

#### Returns

`Promise`\<`void`\>

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### commInfo()

> **commInfo**(`content`, `parent`): `Promise`\<`ReplyContent`\<`ICommInfoReply`\>\>

Defined in: [packages/services/src/kernel/tokens.ts:194](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/services/src/kernel/tokens.ts#L194)

#### Parameters

##### content

###### target_name?

`string`

The comm target name to filter returned comms

##### parent

`any`

#### Returns

`Promise`\<`ReplyContent`\<`ICommInfoReply`\>\>

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### commMsg()

> **commMsg**(`content`, `parent`): `Promise`\<`void`\>

Defined in: [packages/services/src/kernel/tokens.ts:199](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/services/src/kernel/tokens.ts#L199)

#### Parameters

##### content

`ICommMsgMsg`

##### parent

`any`

#### Returns

`Promise`\<`void`\>

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### commOpen()

> **commOpen**(`content`, `parent`): `Promise`\<`void`\>

Defined in: [packages/services/src/kernel/tokens.ts:198](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/services/src/kernel/tokens.ts#L198)

#### Parameters

##### content

`ICommOpenMsg`

##### parent

`any`

#### Returns

`Promise`\<`void`\>

***

### complete()

> **complete**(`content`, `parent`): `Promise`\<`ReplyContent`\<`ICompleteReply`\>\>

Defined in: [packages/services/src/kernel/tokens.ts:182](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/services/src/kernel/tokens.ts#L182)

#### Parameters

##### content

###### code

`string`

###### cursor_pos

`number`

##### parent

`any`

#### Returns

`Promise`\<`ReplyContent`\<`ICompleteReply`\>\>

***

### execute()

> **execute**(`content`, `parent`): `Promise`\<`ReplyContent`\<`IExecuteReply`\> & `IExecuteCount`\>

Defined in: [packages/services/src/kernel/tokens.ts:178](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/services/src/kernel/tokens.ts#L178)

#### Parameters

##### content

###### allow_stdin?

`boolean`

Whether to allow stdin requests.
The default is `true`.

###### code

`string`

The code to execute.

###### silent?

`boolean`

Whether to execute the code as quietly as possible.
The default is `false`.

###### stop_on_error?

`boolean`

Whether to the abort execution queue on an error.
The default is `false`.

###### store_history?

`boolean`

Whether to store history of the execution.
The default `true` if silent is False.
It is forced to  `false ` if silent is `true`.

###### user_expressions?

`JSONObject`

A mapping of names to expressions to be evaluated in the
kernel's interactive namespace.

##### parent

`any`

#### Returns

`Promise`\<`ReplyContent`\<`IExecuteReply`\> & `IExecuteCount`\>

***

### initialize()

> **initialize**(`options`): `Promise`\<`void`\>

Defined in: [packages/services/src/kernel/tokens.ts:177](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/services/src/kernel/tokens.ts#L177)

Handle any lazy setup activities.

#### Parameters

##### options

[`IOptions`](../namespaces/IWorkerKernel/interfaces/IOptions.md)

#### Returns

`Promise`\<`void`\>

***

### inputReply()

> **inputReply**(`content`, `parent`): `Promise`\<`void`\>

Defined in: [packages/services/src/kernel/tokens.ts:201](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/services/src/kernel/tokens.ts#L201)

#### Parameters

##### content

`ReplyContent`\<`IInputReply`\>

##### parent

`any`

#### Returns

`Promise`\<`void`\>

***

### inspect()

> **inspect**(`content`, `parent`): `Promise`\<`ReplyContent`\<`IInspectReply`\>\>

Defined in: [packages/services/src/kernel/tokens.ts:186](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/services/src/kernel/tokens.ts#L186)

#### Parameters

##### content

###### code

`string`

###### cursor_pos

`number`

###### detail_level

`0` \| `1`

##### parent

`any`

#### Returns

`Promise`\<`ReplyContent`\<`IInspectReply`\>\>

***

### isComplete()

> **isComplete**(`content`, `parent`): `Promise`\<`ReplyContent`\<`IIsCompleteReplyIncomplete` \| `IIsCompleteReplyOther`\>\>

Defined in: [packages/services/src/kernel/tokens.ts:190](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/services/src/kernel/tokens.ts#L190)

#### Parameters

##### content

###### code

`string`

##### parent

`any`

#### Returns

`Promise`\<`ReplyContent`\<`IIsCompleteReplyIncomplete` \| `IIsCompleteReplyOther`\>\>