Probably the hardest part of React, for me, was getting used to the callbacks. Passing data up to the parent component using a function. It’s a little difficult to get used to if you haven’t encountered it already

Pragmatic Programmer is OK, there’s not any code that I can remember and it’s just general purpose, helpful ideas for programmers to follow

Also worth mentioning that dual booting with windows is easy and will give you some time to transition. Get yourself used to Linux while still having a “fallback” if things get too hairy