Custom hooks are one of React’s most powerful abstraction tools but they’re also one of the easiest ways to quietly make a codebase harder to understand.
In real projects, I’ve often seen hooks introduced with good intentions, only to later cause questions like:
What does this hook actually do?
Why is changing this so risky?
Why do I need to read three hooks to understand one component?
This article looks at when custom hooks genuinely improve readability and reuse, and when they become a liability due to premature or over generalized abstraction. It focuses on practical signals, concrete examples, and questions you can ask before extracting logic into a hook.
If you’ve ever wondered whether a hook is simplifying your component or just hiding complexity, you might find this useful:
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