Answer
A Facade provides a simplified API to components by hiding underlying complexity such as services, state, and API calls. It reduces coupling and improves maintainability.
Quick Answer
Facade pattern in Angular: a service that abstracts away complex NgRx store interactions behind a simple API. Components call facade.loadUsers() instead of dispatching actions directly. The facade dispatches the action and exposes selectors as Observables. Benefits: components don't know about NgRx (easier to swap state management), simpler component code, and facades are easy to mock in tests.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ