❌ Avoid deeply nested validations that are hard to read. ✅ Instead use invariants.

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Don’t follow this advice. It makes your code less readable, it confuses other developers and your IDE. This level of abstraction is not helping anybody. Just use early return.

Nice, but wouldn’t it be easier to read code with if(!condition) throw new Error(“some message”) Instead of creating abstraction?

Just use fail fast/ early return and you’ll avoid that level of abstraction.

just use zod

I don't like this - you're hiding important control flow inside deeply nested functions. The caller must now know that implicitly your functions use exception control flow and throw on certain conditions (also hidden). Guards (if not x return) are usually better.

Dude an "any" wrapper function? That's scares the shit out of me

I have to know, what are you using for the animations and graphics? Looks clean

💯 This makes it super hard to read the code

"early bail" or "early return" is far better terminology