Function isEAddrInUse

packages/cli/src/commands/ui.ts:255–256

(err: unknown)

  let boundPort = opts.port;

  const isEAddrInUse = (err: unknown): boolean =>
    err instanceof Error && (err as NodeJS.ErrnoException).code === 'EADDRINUSE';

  const tearDownPartialBinds = async (): Promise<void> => {
    await Promise.all(