https://github.com/hcodes/isutf8

Quick check if a Node.js Buffer or Uint8Array is UTF-8
https://github.com/hcodes/isutf8

buffer javascript nodejs uint8array utf-8

Last synced: 3 months ago
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Quick check if a Node.js Buffer or Uint8Array is UTF-8

• Host: GitHub
• URL: https://github.com/hcodes/isutf8
• Owner: hcodes
• License: mit
• Created: 2014-11-12T12:49:22.000Z (over 10 years ago)
• Default Branch: master
• Last Pushed: 2024-09-24T04:21:33.000Z (10 months ago)
• Last Synced: 2025-03-29T05:08:13.995Z (4 months ago)
• Topics: buffer, javascript, nodejs, uint8array, utf-8
• Language: TypeScript
• Homepage: https://www.npmjs.org/package/isutf8
• Size: 1.09 MB
• Stars: 21
• Watchers: 2
• Forks: 3
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

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isutf8

======

Quick check if a Node.js Buffer or Uint8Array is valid UTF-8.

## Advantages

- Ultra-small package size

- No dependencies

- No pre-compilation

## Install

`npm install isutf8`

## Usage

### CommonJS

```js

const isUtf8 = require('isutf8');

const buf = Buffer.from([0xd0, 0x90]);

console.log(isUtf8(buf)); // => boolean

// or 

const arr = new Uint8Array([0xd0, 0x90]);

console.log(isUtf8(arr)); // => boolean

```

### ES Modules or TypeScript

```js

import isUtf8 from 'isutf8';

const buf = Buffer.from([0xd0, 0x90]);

console.log(isUtf8(buf)); // => boolean

// or 

const arr = new Uint8Array([0xd0, 0x90]);

console.log(isUtf8(arr)); // => boolean

```

## License

[MIT License](./LICENSE)