import ArtQR from 'art-qr';

// create something you can access to store the instance if you want
let MyQRInstance;

const img = new Image();
img.crossOrigin = "Anonymous";
img.src = YOUR_IMAGE_URL;

img.onload = () => {
  MyQRInstance = new ArtQR().create({
    text: YOUR_URL_OR_TEXT,
    size: 300,
    margin: 10,
    backgroundImage: img,
    callback: function (dataUri) {
      console.log(dataUri)
    },
    bindElement: 'qr' // id of <img /> in real dom
  });
}

// download the QR code is easy
MyQRInstance.download()