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All Design Pattern Javascript/Typescript You Must Know
- Structural patterns like Composite, Decorator, Adapter, Bridge, Façade, and Proxy are used for efficient API handling in JavaScript/TypeScript applications.
- Composite Pattern is used for independent nested components fetching their own APIs. Decorator Pattern is used for transparent logging, caching, retry around API calls.
- Adapter Pattern is useful for adapting external API responses to a custom model. Bridge Pattern helps in supporting multiple backends behind a common abstraction.
- Façade Pattern simplifies complex multi-endpoint operations behind a single interface. Proxy Pattern enables lazy loading or caching API data when needed.
- Behavioral patterns like Chain of Responsibility, Command, Observer, Strategy, and Mediator aid in managing API workflows, async calls, event systems, and centralized coordination.
- Best practices include abstracting API endpoints, using async/await consistently, employing decorators/proxies for logging, caching, retries, and applying SOLID principles alongside design patterns.
- In a Full-Stack TypeScript Clean Architecture plan, NestJS and Next.js are suggested for backend and frontend respectively. Patterns like Factory, Singleton, Adapter, Decorator, Proxy, Strategy, Chain of Responsibility, Command, Observer, Mediator are recommended.
- The article also outlines a modular API layer, examples of API patterns implementation, and frontend architecture using React hooks and services for a comprehensive Full-Stack TypeScript application.
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