MVVM: Separate SwiftUI Logic from Layout
MVVM separates logic from layout by moving state and business logic out of your SwiftUI View into a dedicated ViewModel class. This makes your code cleaner, more organized, and easier to test.
MVVM (Model-View-ViewModel) is a design pattern that separates logic from layout. Your View becomes a simple renderer, while a dedicated ViewModel class manages its state and data manipulation. In SwiftUI, this means moving `@State` properties and functions into an `@Observable` class. This makes your code cleaner and vastly easier to test. The main footgun is treating MVVM as a rigid dogma; its true purpose is simply to untangle complex views, so focus on that goal.
Read the original → hackingwithswift.com
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