Function getSubdomains

packages/app/src/request.ts:64–72

(req: Request, subdomainOffset = 2)

  all(req, trustRemoteAddress(req))

export const getSubdomains = (req: Request, subdomainOffset = 2): string[] => {
  const hostname = getHostname(req)

  if (!hostname) return []

  const subdomains = isIP(hostname) ? [hostname] : hostname.split('.').reverse()

  return subdomains.slice(subdomainOffset)
}

export type Connection = IncomingMessage['socket'] & {
  encrypted: boolean