Method fromPlcError

packages/server/src/error.ts:42–44

(err: PlcError)

 * whatever is written to it — leaving the client hanging until it times out.
 */
export const ownsUnhandledUpgrade = (req: Request): boolean =>
  req.ws !== undefined && req.ws.handled === false

const releaseUnhandledUpgrade = (req: Request): boolean => {
  if (!ownsUnhandledUpgrade(req)) return false
  req.ws?.socket.destroy()