
How to structure view models in SwiftUI, so you know where each piece of your code goes.
MVVM sounds simple: a view, a model, and a view model in between. The trouble starts when you build a real app. Do you need a view model for this screen? Where does this state go? Who creates the view model, and how do child views get it? This cheat sheet answers those questions on a few pages, with diagrams and code skeletons you can copy.
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