https://github.com/trekjs/captcha

A Lightweight Pure JavaScript Captcha for Node.js. No C/C++, No ImageMagick, No Canvas.
https://github.com/trekjs/captcha

captcha pure-javascript

Last synced: 7 months ago
JSON representation

A Lightweight Pure JavaScript Captcha for Node.js. No C/C++, No ImageMagick, No Canvas.

• Host: GitHub
• URL: https://github.com/trekjs/captcha
• Owner: trekjs
• License: mit
• Created: 2017-02-05T23:43:07.000Z (almost 9 years ago)
• Default Branch: master
• Last Pushed: 2024-03-31T10:05:14.000Z (over 1 year ago)
• Last Synced: 2025-05-15T20:26:27.651Z (7 months ago)
• Topics: captcha, pure-javascript
• Language: JavaScript
• Homepage:
• Size: 134 KB
• Stars: 468
• Watchers: 8
• Forks: 47
• Open Issues: 6
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

• awesome-nodejs-pure-js - trek captcha
• awesome-captcha - trekjs/captcha - A Lightweight Pure JavaScript CAPTCHA dla Node.js. No C/C++, No ImageMagick, No Canvas. (Biblioteki)

README

          
# captcha

A Lightweight Pure JavaScript Captcha for Node.js. No C/C++, No ImageMagick, No canvas. Inspired By [rucaptcha](https://github.com/huacnlee/rucaptcha).

## Installation

```

$ npm install trek-captcha --save

```

## Examples

```js

'use strict'

const fs = require('fs')

const captcha = require('trek-captcha')

async function run() {

  const { token, buffer } = await captcha()

  // console.log(token, buffer)

  fs.createWriteStream('a.gif').on('finish', () => console.log(token)).end(buffer)

}

run()

```

            

## API

`captcha({ size: 5, style: -1 })`

* **size**:   Defaults to 5.

* **style**: Defaults to -1 with random.

```js

// returns

{

  token,

  buffer

}

```

## Badges

[![Linux](https://travis-ci.org/trekjs/captcha.svg?branch=master)](https://travis-ci.org/trekjs/captcha)

[![Windows](https://img.shields.io/appveyor/ci/fundon/captcha/master.svg?label=windows)](https://ci.appveyor.com/project/fundon/captcha)

[![codecov](https://codecov.io/gh/trekjs/captcha/branch/master/graph/badge.svg)](https://codecov.io/gh/trekjs/captcha)

![](https://img.shields.io/badge/license-MIT-blue.svg)

---

> [fundon.me](https://fundon.me)  · 

> GitHub [@fundon](https://github.com/fundon)  · 

> Twitter [@_fundon](https://twitter.com/_fundon)