const { imageHelpers } = window.canva;
const canva = window.canva.init();
canva.onReady(async (opts) => {
// Convert a CanvaElement into a CanvaImageBlob
const image = await imageHelpers.fromElement(opts.element);
// Convert the CanvaImageBlob into a data URL
const dataUrl = await imageHelpers.toDataUrl(image);
// Do something with the result