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react-native-best-practices

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Provides React Native performance optimization guidelines for FPS, TTI, bundle size, memory leaks, re-renders, and animations. Applies to tasks involving Hermes optimization, JS thread blocking, bridge overhead, FlashList, native modules, or debugging jank and frame drops.

skills/react-native-best-practices/SKILL.md

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# React Native Best Practices

## Overview

Performance optimization guide for React Native applications, covering JavaScript/React, Native (iOS/Android), and bundling optimizations. Based on Callstack's "Ultimate Guide to React Native Optimization".

## When to Apply

Reference these guidelines when:
- Debugging slow/janky UI or animations
- Investigating memory leaks (JS or native)
- Optimizing app startup time (TTI)
- Reducing bundle or app size
- Writing native modules (Turbo Modules)
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