Individual skill
react-pro
Write professional React: hooks discipline, composition, performance, error boundaries, and modern patterns. Use for any React development beyond basics.
skills/react-pro/SKILL.md
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# React Pro
A practical guide to professional React: hooks used correctly, composition over configuration, performance without premature optimization, error boundaries, and the modern patterns (Server Components awareness, concurrent features) that define current React.
## Overview
React expertise is mostly **discipline**: effects that do one thing, state colocated with its use, components composed rather than configured, and renders kept cheap. The library's surface is small; the failure modes come from fighting its model — mutating state, effects as event handlers, and prop-drilling what should be composed.
## When to use
- Any React development: components, hooks, state architecture.
- Performance triage: unnecessary renders, slow interactions.
- Code review: spotting effect misuse, state duplication, composition failures.
- Modernizing class components or legacy patterns.