Through this chapter, you have gained a lot of experience in writing a React application. You have applied multiple React patterns to different use cases, such as children passing through a pattern and conditional rendering. Furthermore, you now know how to document your code correctly.

You also learned how to use the React Context API, in comparison with the Apollo Consumer feature, to retrieve the currently logged-in user in our application.

In the next chapter, you will learn how to implement authentication in your back end and use it in the front end.