DownloadBlob.ts

function downloadBlob(blob: Blob, filename: string): void {
  const downloadLink = document.createElement('a');
  document.body.appendChild(downloadLink);
  downloadLink.style.setProperty('display', 'none');
  const objectUrl = URL.createObjectURL(blob);
  downloadLink.href = objectUrl;
  downloadLink.download = filename;
  downloadLink.click();
  URL.revokeObjectURL(objectUrl);
  downloadLink.remove();
}