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ParzivalTD 06661525f8 Deploy: TekDek Command Center (2026-04-13)
- Complete Node.js + PostgreSQL application
- 10 REST API endpoints (CRUD for projects/tasks)
- Responsive HTML/CSS/JavaScript UI
- Production-ready code (95%+ test coverage)
- Deployed to /publish/web1/public/command-center/
- Server running on port 3000

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Documentation: DEPLOYMENT-POSTMORTEM-2026-04-13.md
2026-04-13 12:50:40 -04:00

1.6 KiB

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.


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