April 2025
Intermediate to advanced
298 pages
7h 13m
Portuguese (Portugal, Brazil)
Content preview from Aprendendo padrões de design JavaScript, 2ª edição
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Capítulo 8. Padrões MV* do JavaScript
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A conceção de objectos e a arquitetura de aplicações são os dois aspectos principais da conceção de aplicações. Abordamos os padrões relacionados ao primeiro no capítulo anterior. Neste capítulo, vamos rever três padrões de arquitetura fundamentais: MVC (Model-View-Controller), MVP (Model-View-Presenter) e MVVM (Model-View-ViewModel). No passado, esses padrões eram muito usados para estruturar aplicativos de desktop e do lado do servidor. Agora, eles também foram adaptados para JavaScript.
Como a maioria dos programadores JavaScript que utilizam atualmente estes padrões optam por utilizar várias bibliotecas ou estruturas para implementar uma estrutura semelhante a MVC/MV*, iremos comparar a forma como estas soluções diferem na sua interpretação de MVC em comparação com as abordagens clássicas destes padrões.
Nota
Podes distinguir facilmente as camadas Modelo e Vista na maioria das estruturas modernas de conceção de IU baseadas no browser e baseadas em MVC/MVVM. No entanto, o terceiro componente varia tanto no nome como na função. O * em MV* representa, portanto, a forma que o terceiro componente assume nas diferentes estruturas.
MVC
O MVC é um padrão de design arquitetónico que incentiva uma melhor organização da aplicação através de uma separação de preocupações. Impõe o isolamento dos dados comerciais (Modelos) das IUs ...
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