React · Junior · Question 29 of 75

Why must a custom hook's name start with `use`?

1Otherwise the bundler can't export it from the module
✓Correct answer: That's how the linter and React know it contains hooks
3The use prefix enables automatic memoization of the result

Explanation

The use prefix is a convention that eslint-plugin-react-hooks and the React Compiler rely on. By itself it doesn't memoize anything. A function with no hooks inside shouldn't be named use... - it's a regular utility.

Why must a custom hook's name start with `use`?

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Why must a custom hook's name start with use?

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Why must a custom hook's name start with `use`?