/** Trigger a client-side file download from a Blob. */
export function downloadBlob(filename: string, blob: Blob): void {
  const url = URL.createObjectURL(blob);
  const a = document.createElement('a');
  a.href = url;
  a.download = filename;
  document.body.appendChild(a);
  a.click();
  a.remove();
  // revoke on the next tick so the download has started
  setTimeout(() => URL.revokeObjectURL(url), 1000);
}

export function downloadText(
  filename: string,
  text: string,
  mime = 'text/plain;charset=utf-8',
): void {
  downloadBlob(filename, new Blob([text], { type: mime }));
}

export function downloadDataUrl(filename: string, dataUrl: string): void {
  const a = document.createElement('a');
  a.href = dataUrl;
  a.download = filename;
  document.body.appendChild(a);
  a.click();
  a.remove();
}