Files
boc/services/frilans-payout/node_modules/is-stream
Bernt 1a12fb870b dev-api: add developer portal, OpenAPI spec, and Flatenbadet case study
- New /developers/ page with API docs, SDKs, pricing, use cases
- OpenAPI 3.0 spec for Orders, Missions, Photos, Analytics
- Case study: Glasskiosken i Flatenbadet — complete ROI analysis
- Updated /order/ with recurring missions and frequency dropdown
2026-07-14 15:27:33 +00:00
..

is-stream

Check if something is a Node.js stream

Install

$ npm install is-stream

Usage

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.

isWritableStream(stream)

Returns a boolean for whether it's a stream.Writable.

isReadableStream(stream)

Returns a boolean for whether it's a stream.Readable.

isDuplexStream(stream)

Returns a boolean for whether it's a stream.Duplex.

isTransformStream(stream)

Returns a boolean for whether it's a stream.Transform.


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