# Namespace: `Router`

[@jupyterlite/server](jupyterlite_server.md).Router

A namespace for Router statics.

## Type Aliases

### `Callback`

Ƭ **`Callback`**: (`req`:
[`IRequest`](../interfaces/jupyterlite_server.Router.IRequest.md), ...`args`:
`string`[]) => `Promise`<`Response`\>

#### Type declaration

> (`req`, `...args`): `Promise`<`Response`\>

The Callback type.

##### Parameters

| Name      | Type                                                              |
| :-------- | :---------------------------------------------------------------- |
| `req`     | [`IRequest`](../interfaces/jupyterlite_server.Router.IRequest.md) |
| `...args` | `string`[]                                                        |

##### Returns

`Promise`<`Response`\>

#### Defined in

[packages/server/src/router.ts:135](https://github.com/jupyterlite/jupyterlite/blob/7971e0aa/packages/server/src/router.ts#L135)

### `Method`

Ƭ **`Method`**: `"GET"` \| `"PUT"` \| `"POST"` \| `"PATCH"` \| `"DELETE"`

The Method type.

#### Defined in

[packages/server/src/router.ts:140](https://github.com/jupyterlite/jupyterlite/blob/7971e0aa/packages/server/src/router.ts#L140)