Function onerror

client-dist/socket.io.js:2063–2069

(err)

        }
        // Handle any error that happens while probing
        var onerror = function onerror(err) {
          var error = new Error("probe error: " + err);
          // @ts-ignore
          error.transport = transport.name;
          freezeTransport();
          _this4.emitReserved("upgradeError", error);
        };
        function onTransportClose() {
          onerror("transport closed");
        }