Desafío de Programación: Pregunta 12

Implementa useToggle en React con TypeScript: un hook ligero para alternar estados en UI (modales, switches) y facilitar pruebas, con buenas prácticas. Conoce Q2BSTUDIO, especialistas en IA, ciberseguridad y cloud.

24 sept 2025 • 1 min read • Q2BSTUDIO Team

Inteligencia-Artificial-

Desafío de Programación: Pregunta 12 Implementar un hook useToggle

La tarea consiste en implementar un hook personalizado useToggle que recibe un valor booleano inicial y devuelve un estado y una función para alternarlo. Implementación propuesta: export function useToggle(on: boolean): [boolean, () => void] { const [state, setState] = useState(on); const toggle = () => setState(prev => !prev); return [state, toggle]; }

Uso práctico: dentro de un componente funcional escribe const [on, toggle] = useToggle(false) y llama a toggle para invertir el valor. Este patrón es útil para controles de UI como modales, switches y menús desplegables, y se integra fácilmente en proyectos en TypeScript y React.

Sugerencias: para mayor flexibilidad puedes aceptar un parámetro inicial opcional o diseñar toggle para aceptar un valor booleano explícito, de forma que puedas tanto alternar como establecer directamente el estado. Mantén el hook simple y reutilizable para favorecer la claridad y las pruebas unitarias.

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