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chiguyong eb399474f4 init: ether-admin frontend project - Vue3 + TypeScript + Ant Design Vue - Auth, User, Role, Project management pages - Pinia state management - Vue Router with auth guard		2026-03-19 09:28:30 +08:00
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index.d.ts	init: ether-admin frontend project	2026-03-19 09:28:30 +08:00
index.js	init: ether-admin frontend project	2026-03-19 09:28:30 +08:00
license	init: ether-admin frontend project	2026-03-19 09:28:30 +08:00
package.json	init: ether-admin frontend project	2026-03-19 09:28:30 +08:00
readme.md	init: ether-admin frontend project	2026-03-19 09:28:30 +08:00

readme.md

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)

Returns a boolean for whether it's a Stream.

isWritableStream(stream)

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

isReadableStream(stream)

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

isDuplexStream(stream)

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

isTransformStream(stream)

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

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

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