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React Performance ESLint Plugin

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library 3.3.3 ·javascript
verified Jun 17, 2026

eslint-plugin-react-perf is an ESLint plugin designed to identify and prevent common performance anti-patterns in React applications. It specifically targets situations where new object, array, function, or JSX literals are passed directly as props, which can lead to unnecessary re-renders in components using `React.memo` or `PureComponent` due to shallow comparison failures. The current stable version is 3.3.3. While the README doesn't explicitly state a release cadence, new features and bug fixes appear to be released as needed. Its key differentiator is its focused approach on these specific 'new literal as prop' performance issues, providing a direct solution to a common React optimization pitfall, particularly useful in larger applications or performance-critical components. It provides both `recommended` and `all` configurations for easy setup.

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