Summary

In this chapter, you learned how the Socket.io module works. You went over the key features of Socket.io and learned how the server and client communicate. You configured your Socket.io server and learned how to integrate it with your Express application. You also used the Socket.io handshake configuration to integrate the Passport session. In the end, you built a fully functional chat example and learned how to wrap the Socket.io client with an AngularJS service. In the next chapter, you'll learn how to write and run tests to cover your application code.