text: export const dataURItoBlob = (dataURI) => {
  
      // convert base64 to raw binary data held in a string
      // doesn't handle URLEncoded DataURIs - see SO answer #6850276 for code that does this
      let byteString = atob(dataURI.split(',')[1]);
  
      // write the bytes of the string to an ArrayBuffer
      let ab = new ArrayBuffer(byteString.length);
      let ia = new Uint8Array(ab);
  
      for (let i = 0; i < byteString.length; i++) {
          ia[i] = byteString.charCodeAt(i);
      }
  
      // write the ArrayBuffer to a blob, and you're done
      let bb = new Blob([ab]);
      return bb;
  };
  