react-effect-patterns

SKILL.md

Effects are an escape hatch from React for synchronizing with external systems. Removing unnecessary Effects makes code easier to follow, faster to run, and less error-prone.

| Transform data | Calculate during render | | Expensive calculation | useMemo | | Reset all state on prop | key attribute | | Adjust state on prop | Derive during render | | Share event logic | Extract function, call from handlers | | User events | Event handlers | | External system sync | Effect | | Notify parent | Update in handler or lift state |

| Init once | Module-level or guard variable | | External store | useSyncExternalStore | | Fetch data | Effect with cleanup |

Directrices para el uso adecuado de ReactUso de efectos y evitar efectos innecesarios. Úselo al escribir, revisar o refactorizar componentes de React que usan useEffect, useState o manejan efectos secundarios. Activadores de tareas que involucran efectos de React, estado derivado, controladores de eventos, recuperación de datos o sincronización de componentes. Fuente: nbbaier/agent-skills.

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