28 Mar '17, 1pm

#RubyOnRails #RoR

Evita usar Helpers , mejor usa decoradores. ¿Por qué? Una dificultad común con helpers en Rails, es que se pueden convertir en un montón de funciones no-OO , las cuales comparten un nombre de espacio y se sobreponen entre ellas. Pero es mucho peor, el hecho no de que no se puede usar ningún polimorfismo con los helpers de Rails — al proveer diferentes implementaciones para diferentes contextos o tipos, y superación o sub-clasificación de helpers. Pienso que las clases de helper en Rails deberían usarse, generalmente, para métodos de utilidad, no para casos de uso específico; como formatear atributos modelo para cualquier lógica de presentación. Mantenlos ligeros y fáciles de seguir. Decoradores/Delegantes mejor.** ¿Por qué? Después de todo, las preocupaciones parecen ser parte de Rails, y pueden secar (DRY up ) un código cuando se comparte entre múltiples modelos. Sin emba...

Full article: http://websarrolladores.com/2017/03/27/construye-elegante...

Tweets

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