In the last chapter, as part of generating a simple Gatsby app and tearing it apart, you got a look at React. If you’re already familiar with React, then, by all means, feel free to skip this chapter.
But, if you have never worked with React before, given that it’s a key part of the Gatsby puzzle, it makes a lot of sense to look at it in some detail. This won’t be an exhaustive deep dive, because entire books could be (and have been!) written about React. My goal is to give you a lot more detail than the last chapter about what I view as the core concepts you need to be effective with React. ...