Dowload file sync. Alternative option for `window.open`, but running download file in sync

download-file-sync.js

/**
 * Usage
 *  downloadFileSync('file-url', {name: 'filename', iframeName: 'my-amazing-iframe-name' })
 */
const downloadFileSync = (
  url: string,
  filename?: string;
) => {
  const iframeName = options?.iframeName ?? 'reusable-iframe';
  const link = document.createElement('a');
  let iframe: HTMLIFrameElement | null = document.querySelector(`#${iframeName}`);
  if (!iframe) {
    iframe = document.createElement('iframe');
    iframe.style.display = 'none';
    iframe.id = iframeName;
    iframe.name = iframeName;
    document.body.append(iframe);
  }

  link.href = url;

  if (filename) {
    link.download = filename;
  }

  link.target = iframeName;
  document.body.append(link);
  link.click();
  link.remove();
};