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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
- is-file-stream - Detect if a stream is a file stream
License
MIT © Sindre Sorhus