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vkurchatkin avatar vkurchatkin commented on June 9, 2023

This has nothing to do with rules of hooks. What you want is type checking, that is what TypeScript is for

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jlbooker avatar jlbooker commented on June 9, 2023

@vkurchatkin Yes, a realize a full and complete solution to this requires a type checking system to fully evaluate the return type. However, it seems there are at least a few cases we could check for with lint rules, and that would handle 95% of the basic cases. For example, I came upon uses return "none"; and return null;, which are clearly not allowed and easily caught by a lint rule. Anything other than a bare return, undefined, or an arrow function is probably an error.

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