Function rejectUpgradeRequest

src/websocket.ts:95–104

(socket: Duplex, status: number, responseHeaders?: Headers)

}

const rejectUpgradeRequest = (socket: Duplex, status: number, responseHeaders?: Headers) => {
  const responseLines = ['Connection: close', 'Content-Length: 0']
  appendResponseHeaders(responseLines, responseHeaders)

  socket.end(
    `HTTP/1.1 ${status.toString()} ${STATUS_CODES[status] ?? ''}\r\n` +
      `${responseLines.join('\r\n')}\r\n` +
      '\r\n'
  )
}

const createUpgradeRequest = (request: IncomingMessage): Request => {
  const protocol = (request.socket as { encrypted?: boolean }).encrypted ? 'https' : 'http'