March 2025
Intermediate to advanced
480 pages
13h 51m
Spanish
Content preview from Estrategias de JavaScript completas
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Capítulo 18. Tratamiento de errores en el frontend
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Ya has implementado gran parte de la funcionalidad común a todas las aplicaciones frontales. Hasta este punto, has creado una infraestructura que debería permitir ampliar la aplicación para dar cabida a cualquier nueva función que el equipo de Producto pueda lanzarte. Ahora puedes profundizar en los detalles del frontend que hacen que la aplicación sea más fácil de usar.
He mencionado brevemente los errores en otros capítulos del libro, pero por fin los examinaremos más de cerca aquí. El tratamiento de errores se omitió antes para que pudieras centrarte en las buenas prácticas para las demás partes del frontend. En la práctica, sin embargo, la gestión de errores debe incluirse en los requisitos de tus tareas. Tienes que ocuparte de todos los errores que potencialmente podrían ocurrirle al usuario. La gestión de errores debe ser minuciosa para que no se filtre ninguna información sensible a los usuarios o a partes malintencionadas que intenten atacar tu aplicación, y para que la aplicación mantenga una UX coherente.
En este capítulo trataré:
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Componentes de error
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Errores de validación del usuario
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Errores API
Todos ellos son errores estándar que acabarán apareciendo, por lo que repasaré las formas habituales de gestionarlos. Tendrás que trabajar con los equipos de Producto y Diseño para definir y crear estados ...
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