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What the Fork is xState?

Illustrated notes on how to build state machines with the xState library

is a snazzy way to manage JavaScript application state using visual state charts. It's a pretty wonderful tool for making sure you think through every possible edge case of an application.

There's also a handy that synchronizes your code and visuals. If you edit one, the other changes to match.


It's perfect for visual thinkers. If someone could just build one of these for the entire of JavaScript I'll be all set.

Here's a little more illustrated detail on how this works:

If you're keen to learn more xState there's two courses up on egghead that cover all the basics:


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