Method closeConnection

packages/engine.io/lib/userver.ts:149–150

(errorCode, errorContext)

        this.clients[req._query.sid].transport.onRequest(req);
      } else {
        const closeConnection = (errorCode, errorContext) =>
          this.abortRequest(res, errorCode, errorContext);
        this.handshake(
          req._query.transport,
          req as unknown as EngineRequest,