Function onTransportClose

packages/socket.io/client-dist/socket.io.js:2255–2257

()

        _this8.emitReserved("upgradeError", error);
      };
      function onTransportClose() {
        onerror("transport closed");
      }
      // When the socket is closed while we're probing
      function onclose() {
        onerror("socket closed");