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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
.