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Andrei 58f8093689 Rebrand from 'Redirect Intelligence v2' to 'URL Tracker Tool V2' throughout UI

- Updated all component headers and documentation
- Changed navbar and footer branding
- Updated homepage hero badge
- Modified page title in index.html
- Simplified footer text to 'Built with ❤️'
- Consistent V2 capitalization across all references

2025-08-19 19:12:23 +00:00

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is-stream

Check if something is a Node.js stream

Install

npm install is-stream

Usage

import fs from 'node:fs';
import {isStream} from 'is-stream';

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

isStream({});
//=> false

API

isStream(stream, options?)

Returns a boolean for whether it's a Stream.

isWritableStream(stream, options?)

Returns a boolean for whether it's a stream.Writable, an http.OutgoingMessage, an http.ServerResponse or an http.ClientRequest.

isReadableStream(stream, options?)

Returns a boolean for whether it's a stream.Readable or an http.IncomingMessage.

isDuplexStream(stream, options?)

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

isTransformStream(stream, options?)

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

Options

checkOpen

Type: boolean
Default: true

When this option is true, the method returns false if the stream has already been closed.

is-file-stream - Detect if a stream is a file stream

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