Function onConnect

examples/expo-example/App.js:14–21

()

    }

    function onConnect() {
      setIsConnected(true);
      setTransport(socket.io.engine.transport.name);

      socket.io.engine.on('upgrade', (transport) => {
        setTransport(transport.name);
      });
    }

    function onDisconnect() {
      setIsConnected(false);