Check if something is a Node.js stream
$ npm install is-stream
const fs = require('fs'); const isStream = require('is-stream'); isStream(fs.createReadStream('unicorn.png')); //=> true isStream({}); //=> false
Returns a boolean
for whether it's a Stream
.
Returns a boolean
for whether it's a stream.Writable
.
Returns a boolean
for whether it's a stream.Readable
.
Returns a boolean
for whether it's a stream.Duplex
.
Returns a boolean
for whether it's a stream.Transform
.