Angular Services
Angular Services are reusable, injectable classes in the Angular framework designed to encapsulate business logic, data access, and shared functionality across components. They follow the dependency injection pattern to provide a centralized way to manage state, handle HTTP requests, and perform tasks like logging or authentication. Services promote code modularity, testability, and separation of concerns by keeping components focused on presentation.
Developers should use Angular Services when building applications that require shared data or logic, such as fetching data from APIs, managing user authentication, or implementing complex business rules. They are essential for avoiding code duplication, improving maintainability, and enabling unit testing by isolating logic from UI components. For example, a service can handle all HTTP calls to a backend, allowing multiple components to reuse the same data-fetching logic.