September 2024
Intermediate to advanced
298 pages
7h 23m
Spanish
Content preview from Aprender patrones de diseño de JavaScript, 2ª edición
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Capítulo 6. Categorías de patrones de diseño
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Este capítulo documenta las tres categorías principales de patrones de diseño y los distintos patrones que se engloban en ellas. Aunque cada patrón de diseño aborda un problema o cuestión específicos del diseño orientado a objetos, podemos establecer paralelismos entre las soluciones basándonos en cómo resuelven estas cuestiones. Esto constituye la base de la categorización de los patrones de diseño.
Antecedentes
Gamma, Helm, Johnson y Vlissides (1995), en su libro Design Patterns: Elements of Reusable Object-Oriented Software, describen un patrón de diseño como:
Un patrón de diseño nombra, abstrae e identifica los aspectos clave de una estructura de diseño común que la hacen útil para crear un diseño orientado a objetos reutilizable. El patrón de diseño identifica las clases participantes y sus instancias, sus funciones y colaboraciones, y la distribución de responsabilidades.
Cada patrón de diseño se centra en un determinado problema o cuestión de diseño orientado a objetos. Describe cuándo se aplica, si puede o no aplicarse en vista de otras restricciones de diseño, y las consecuencias y compensaciones de su uso. Dado que al final debemos implementar nuestros diseños, un patrón de diseño también proporciona código...de ejemplo para ilustrar una implementación.
Aunque los patrones de diseño describen diseños orientados ...
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