BMAD MCP Server

# is-stream > Check if something is a [Node.js stream](https://nodejs.org/api/stream.html) ## Install ``` $ npm install is-stream ``` ## Usage ```js import fs from 'node:fs'; import {isStream} from 'is-stream'; isStream(fs.createReadStream('unicorn.png')); //=> true isStream({}); //=> false ``` ## API ### isStream(stream) Returns a `boolean` for whether it's a [`Stream`](https://nodejs.org/api/stream.html#stream_stream). #### isWritableStream(stream) Returns a `boolean` for whether it's a [`stream.Writable`](https://nodejs.org/api/stream.html#stream_class_stream_writable). #### isReadableStream(stream) Returns a `boolean` for whether it's a [`stream.Readable`](https://nodejs.org/api/stream.html#stream_class_stream_readable). #### isDuplexStream(stream) Returns a `boolean` for whether it's a [`stream.Duplex`](https://nodejs.org/api/stream.html#stream_class_stream_duplex). #### isTransformStream(stream) Returns a `boolean` for whether it's a [`stream.Transform`](https://nodejs.org/api/stream.html#stream_class_stream_transform). ## Related - [is-file-stream](https://github.com/jamestalmage/is-file-stream) - Detect if a stream is a file stream --- <div align="center"> <b> <a href="https://tidelift.com/subscription/pkg/npm-is-stream?utm_source=npm-is-stream&utm_medium=referral&utm_campaign=readme">Get professional support for this package with a Tidelift subscription</a> </b> <br> _{Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.} </div>