# Class: `DriveFSEmscriptenStreamOps`

[@jupyterlite/contents](../modules/jupyterlite_contents.md).DriveFSEmscriptenStreamOps

## Implements

- [`IEmscriptenStreamOps`](../interfaces/jupyterlite_contents.IEmscriptenStreamOps.md)


## Constructors

### `constructor`

>
> **`new DriveFSEmscriptenStreamOps`**(`fs`)

#### Parameters

| Name | Type |
| :------ | :------ |
| `fs` | [`DriveFS`](jupyterlite_contents.DriveFS-1.md) |

#### Defined in

[packages/contents/src/drivefs.ts:159](https://github.com/jupyterlite/jupyterlite/blob/999c7f0/packages/contents/src/drivefs.ts#L159)

## Properties

### `fs`

>
> `Private` **`fs`**: [`DriveFS`](jupyterlite_contents.DriveFS-1.md)

#### Defined in

[packages/contents/src/drivefs.ts:157](https://github.com/jupyterlite/jupyterlite/blob/999c7f0/packages/contents/src/drivefs.ts#L157)

## Methods

### `close`

>
> **`close`**(`stream`): `void`

#### Parameters

| Name | Type |
| :------ | :------ |
| `stream` | [`IDriveStream`](../interfaces/jupyterlite_contents.IDriveStream.md) |

#### Returns

`void`

#### Implementation of

[IEmscriptenStreamOps](../interfaces/jupyterlite_contents.IEmscriptenStreamOps.md).[close](../interfaces/jupyterlite_contents.IEmscriptenStreamOps.md#close)

#### Defined in

[packages/contents/src/drivefs.ts:170](https://github.com/jupyterlite/jupyterlite/blob/999c7f0/packages/contents/src/drivefs.ts#L170)



### `llseek`

>
> **`llseek`**(`stream`, `offset`, `whence`): `number`

#### Parameters

| Name | Type |
| :------ | :------ |
| `stream` | [`IDriveStream`](../interfaces/jupyterlite_contents.IDriveStream.md) |
| `offset` | `number` |
| `whence` | `number` |

#### Returns

`number`

#### Implementation of

[IEmscriptenStreamOps](../interfaces/jupyterlite_contents.IEmscriptenStreamOps.md).[llseek](../interfaces/jupyterlite_contents.IEmscriptenStreamOps.md#llseek)

#### Defined in

[packages/contents/src/drivefs.ts:237](https://github.com/jupyterlite/jupyterlite/blob/999c7f0/packages/contents/src/drivefs.ts#L237)



### `open`

>
> **`open`**(`stream`): `void`

#### Parameters

| Name | Type |
| :------ | :------ |
| `stream` | [`IDriveStream`](../interfaces/jupyterlite_contents.IDriveStream.md) |

#### Returns

`void`

#### Implementation of

[IEmscriptenStreamOps](../interfaces/jupyterlite_contents.IEmscriptenStreamOps.md).[open](../interfaces/jupyterlite_contents.IEmscriptenStreamOps.md#open)

#### Defined in

[packages/contents/src/drivefs.ts:163](https://github.com/jupyterlite/jupyterlite/blob/999c7f0/packages/contents/src/drivefs.ts#L163)



### `read`

>
> **`read`**(`stream`, `buffer`, `offset`, `length`, `position`): `number`

#### Parameters

| Name | Type |
| :------ | :------ |
| `stream` | [`IDriveStream`](../interfaces/jupyterlite_contents.IDriveStream.md) |
| `buffer` | `Uint8Array` |
| `offset` | `number` |
| `length` | `number` |
| `position` | `number` |

#### Returns

`number`

#### Implementation of

[IEmscriptenStreamOps](../interfaces/jupyterlite_contents.IEmscriptenStreamOps.md).[read](../interfaces/jupyterlite_contents.IEmscriptenStreamOps.md#read)

#### Defined in

[packages/contents/src/drivefs.ts:193](https://github.com/jupyterlite/jupyterlite/blob/999c7f0/packages/contents/src/drivefs.ts#L193)



### `write`

>
> **`write`**(`stream`, `buffer`, `offset`, `length`, `position`): `number`

#### Parameters

| Name | Type |
| :------ | :------ |
| `stream` | [`IDriveStream`](../interfaces/jupyterlite_contents.IDriveStream.md) |
| `buffer` | `Uint8Array` |
| `offset` | `number` |
| `length` | `number` |
| `position` | `number` |

#### Returns

`number`

#### Implementation of

[IEmscriptenStreamOps](../interfaces/jupyterlite_contents.IEmscriptenStreamOps.md).[write](../interfaces/jupyterlite_contents.IEmscriptenStreamOps.md#write)

#### Defined in

[packages/contents/src/drivefs.ts:213](https://github.com/jupyterlite/jupyterlite/blob/999c7f0/packages/contents/src/drivefs.ts#L213)