QR Code Scanner and Generator

This npm package allows you to easily scan QR codes and generate QR codes from links using Node.js. It uses the qr-image and jsqr libraries for QR code generation and scanning.

Installation

You can install this package via npm:

npm install qr-code-scanner-sumzai

Usage

Here's how you can use this package in your Node.js application:

const { scanQRCode, generateQRCode } = require('qr-code-scanner-sumzai');

// Generate a QR Code from a link
const link = 'https://www.example.com';
const qrCode = generateQRCode(link);

console.log(`Generated QR Code for ${link}`);
console.log(qrCode);

// Scan a QR Code image and extract the link
const imageData = qrCode.bitmap;
try {
  const scannedLink = scanQRCode(imageData);
  console.log(`Scanned QR Code Link: ${scannedLink}`);
} catch (error) {
  console.error(error.message);
}

API

generateQRCode(link: string): Buffer

Generate a QR code image from a given link and return it as a Buffer.

• link (string): The link or text you want to encode in the QR code.

scanQRCode(imageData: ImageData): string

Scan a QR code from the provided ImageData and return the decoded link as a string.

• imageData (ImageData): The QR code image data obtained from generateQRCode.

License

This package is released under the MIT License. You can find more details in the LICENSE file.

Contributing

If you have suggestions or encounter issues, feel free to open an issue or submit a pull request on our GitHub repository.

Author

This package was created by Mohammad Shoeb Faizan.

Acknowledgments

• Special thanks to the creators of the qr-image and jsqr libraries, which made this package possible.