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

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

# Class: `abstract` BaseExporter

Defined in: [packages/services/src/nbconvert/exporters.ts:11](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/services/src/nbconvert/exporters.ts#L11)

Base class for notebook exporters.

## Extended by

- [`NotebookExporter`](NotebookExporter.md)
- [`ScriptExporter`](ScriptExporter.md)

## Implements

- [`IExporter`](../interfaces/IExporter.md)

## Constructors

### Constructor

> **new BaseExporter**(): `BaseExporter`

#### Returns

`BaseExporter`

## Properties

### mimeType

> `abstract` `readonly` **mimeType**: `string`

Defined in: [packages/services/src/nbconvert/exporters.ts:15](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/services/src/nbconvert/exporters.ts#L15)

The MIME type of the exported format.

#### Implementation of

[`IExporter`](../interfaces/IExporter.md).[`mimeType`](../interfaces/IExporter.md#mimetype)

## Methods

### export()

> `abstract` **export**(`model`, `path`): `Promise`\<`void`\>

Defined in: [packages/services/src/nbconvert/exporters.ts:23](https://github.com/jupyterlite/jupyterlite/blob/14439ec34e3cade5baa221a050277e15da9d0c06/packages/services/src/nbconvert/exporters.ts#L23)

Export a notebook to this format.

#### Parameters

##### model

`IModel`

The notebook model to export

##### path

`string`

The path to the notebook

#### Returns

`Promise`\<`void`\>

#### Implementation of

[`IExporter`](../interfaces/IExporter.md).[`export`](../interfaces/IExporter.md#export)

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### triggerDownload()

> `protected` **triggerDownload**(`content`, `mimeType`, `filename`): `void`

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

Trigger a browser download of the exported content.

#### Parameters

##### content

`string`

The content to download

##### mimeType

`string`

The MIME type of the content

##### filename

`string`

The filename for the download

#### Returns

`void`