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23 lines
1.8 KiB
Plaintext
23 lines
1.8 KiB
Plaintext
---
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title: Mejores prácticas
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---
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Este documento describe las mejores prácticas que debe seguir al trabajar en el backend.
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## Siga un enfoque modular
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El backend sigue un enfoque modular, que es un principio fundamental al trabajar con NestJS. Asegúrese de descomponer su código en módulos reutilizables para mantener una base de código limpia y organizada.
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Cada módulo debe encapsular una característica o funcionalidad particular y tener un alcance bien definido. Este enfoque modular permite una clara separación de responsabilidades y elimina complejidades innecesarias.
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## Exponer servicios para usar en módulos
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Siempre cree servicios que tengan una responsabilidad clara y única, lo que mejora la legibilidad y mantenibilidad del código. Nombre los servicios de manera descriptiva y consistente.
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También debe exponer servicios que desee usar en otros módulos. Exponer servicios a otros módulos es posible a través del poderoso sistema de inyección de dependencias de NestJS, y promueve un acoplamiento débil entre los componentes.
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## Evitar usar el tipo `any`
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Cuando declara una variable como `any`, el verificador de tipos de TypeScript no realiza ninguna comprobación de tipos, lo que hace posible asignar cualquier tipo de valores a la variable. TypeScript utiliza la inferencia de tipos para determinar el tipo de la variable a partir del valor. Al declararlo como `any`, TypeScript ya no puede inferir el tipo. Esto dificulta la captura de errores relacionados con el tipo durante el desarrollo, lo que lleva a errores en tiempo de ejecución y hace que el código sea menos mantenible, menos fiable y más difícil de entender para otros.
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Por eso todo debe tener un tipo. Entonces, si crea un nuevo objeto con un nombre y apellido, debe crear una interfaz o tipo que contenga un nombre y apellido y defina la forma del objeto que está manipulando.
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