Function attachment

packages/res/src/download.ts:58–66

(
  res: Response
)

}

export const attachment = <Response extends Pick<S, 'getHeader' | 'setHeader'> = Pick<S, 'getHeader' | 'setHeader'>>(
  res: Response
) => (filename?: string): Response => {
  if (filename) setContentType(res)(extname(filename))

  setHeader(res)('Content-Disposition', contentDisposition(filename))

  return res
}