Angular, a widely-used JavaScript framework, relies on several design patterns to enhance the structure and maintainability of web applications. Among these, the Singleton pattern stands out, particularly in the implementation of services. By creating services that are shared across components, developers can achieve efficient data communication. This pattern can be executed by utilizing Angular CLI to generate a service, defining it with the `@Injectable({ providedIn: 'root'})` decorator. This setup makes services accessible throughout the application, promoting scalability and modular design.
In Angular, design patterns like the Singleton promote modular, scalable applications by structuring code efficiently, ensuring services are shared across components.
The Singleton pattern allows Angular services to be instantiated once, enabling components to communicate and share data seamlessly through a single instance.
To implement the Singleton pattern in Angular, define a service with providedIn: 'root' ensuring that it is available throughout the entire application.
Injecting a service into multiple components allows access to the same instance, demonstrating the efficiency and shared state management of the Singleton pattern.
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