This is so true in 2019!!! I am so happy I stumbled upon this article through my friend Thad Humphries, he highlighted what I think is the best part:

“ [T]he true 100x innovation in frontend development isn’t at the component level at all, it’s actually at the state management level [!!! 🥳🥳🥳] “

I just published Dark Mode for ANY React App 2019: Part 1 of a Series on Day/Night Toggles https://link.medium.com/B9rQehOd6Y

Look how easy “hard” app design (implementing a dynamic state and theme, i.e. a dark mode) is now! 2 lines of code