react-native-qrcode-package/src/component/generate_qr_code/GenerateMatrix.js

This package include QR code generator and QR code Scanner for React Native.

import QRCode from 'qrcode';

export default (value, errorCorrectionLevel) => {
  const {data} = QRCode.create(value, {errorCorrectionLevel}).modules;
  const sqrt = Math.sqrt(data.length);
  const rows = [];

  for (let i = 0; i < data.length; i += sqrt) {
    rows.push(data.slice(i, i + sqrt));
  }

  return rows;
};