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[@jupyterlite](../../../README.md) / [@jupyterlite/contents](../README.md) / instanceOfStream

# Function: instanceOfStream()

> **instanceOfStream**(`nodeOrStream`): `nodeOrStream is IEmscriptenStream`

Defined in: packages/services/lib/contents/emscripten.d.ts:54

## Parameters

### nodeOrStream

[`IEmscriptenFSNode`](../interfaces/IEmscriptenFSNode.md) | [`IEmscriptenStream`](../interfaces/IEmscriptenStream.md)

## Returns

`nodeOrStream is IEmscriptenStream`