Function redirect

packages/res/src/redirect.ts:12–47

(
  req: Request,
  res: Response,
  next: Next
)

type next = (err?: any) => void

export const redirect = <Request extends Req = Req, Response extends Res = Res, Next extends next = next>(
  req: Request,
  res: Response,
  next: Next
) => (url: string, status?: number) => {
  let address = url
  status = status || 302

  let body = ''

  address = setLocationHeader(req, res)(address).getHeader('Location') as string

  formatResponse(
    req,
    res,
    next
  )({
    text: () => {
      body = STATUS_CODES[status] + '. Redirecting to ' + address
    },
    html: () => {
      const u = escapeHtml(address)

      body = `<p>${STATUS_CODES[status]}. Redirecting to <a href="${u}">${u}</a></p>`
    }
  })

  res.setHeader('Content-Length', Buffer.byteLength(body))

  res.statusCode = status

  if (req.method === 'HEAD') res.end()
  else res.end(body)

  return res
}