ljubi a81aaebda8 3 tests 5 months ago
..
index.d.ts a81aaebda8 3 tests 5 months ago
index.js a81aaebda8 3 tests 5 months ago
license a81aaebda8 3 tests 5 months ago
package.json a81aaebda8 3 tests 5 months ago
readme.md a81aaebda8 3 tests 5 months ago

readme.md

is-stream

Check if something is a Node.js stream

Install

$ npm install is-stream

Usage

const fs = require('fs');
const isStream = require('is-stream');

isStream(fs.createReadStream('unicorn.png'));
//=> true

isStream({});
//=> false

API

isStream(stream)

Returns a boolean for whether it's a Stream.

isStream.writable(stream)

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

isStream.readable(stream)

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

isStream.duplex(stream)

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

isStream.transform(stream)

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

Related


Get professional support for this package with a Tidelift subscription
Tidelift helps make open source sustainable for maintainers while giving companies
assurances about security, maintenance, and licensing for their dependencies.