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eslint-plugin-react-hooks

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eslint-plugin-react-hooks

ESLint rules for React Hooks

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What is eslint-plugin-react-hooks?

The eslint-plugin-react-hooks package is an ESLint plugin that enforces the Rules of Hooks for React. It helps developers to follow the best practices and avoid common pitfalls when using hooks in React components.

What are eslint-plugin-react-hooks's main functionalities?

Rules of Hooks

This feature enforces the rules of hooks, ensuring that hooks are called in the same order on every render and not inside conditions, loops, or nested functions.

/* eslint react-hooks/rules-of-hooks: 'error' */
const MyComponent = () => {
  if (condition) {
    const [value, setValue] = useState(0); // This will cause an error
  }
  return <div>{value}</div>;
};

Exhaustive Dependencies

This feature ensures that all dependencies used inside useEffect, useCallback, and useMemo are properly specified, helping to avoid stale closures and other related bugs.

/* eslint react-hooks/exhaustive-deps: 'warn' */
useEffect(() => {
  // Should include dependencies used inside the effect
}, []); // This will cause a warning if dependencies are omitted

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Package last updated on 05 Dec 2024

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