dify/web/utils/download.ts

type DownloadUrlOptions = {
  url: string
  fileName?: string
  rel?: string
  target?: string
}

const triggerDownload = ({ url, fileName, rel, target }: DownloadUrlOptions) => {
  if (!url) return

  const anchor = document.createElement('a')
  anchor.href = url
  if (fileName) anchor.download = fileName
  if (rel) anchor.rel = rel
  if (target) anchor.target = target
  anchor.style.display = 'none'
  document.body.appendChild(anchor)
  anchor.click()
  anchor.remove()
}

export const downloadUrl = ({
  url,
  fileName,
  rel = 'noopener noreferrer',
  target,
}: DownloadUrlOptions) => {
  triggerDownload({ url, fileName, rel, target })
}

export const downloadBlob = ({ data, fileName }: { data: Blob; fileName: string }) => {
  const url = window.URL.createObjectURL(data)
  triggerDownload({ url, fileName, rel: 'noopener noreferrer' })
  window.URL.revokeObjectURL(url)
}