SwiftUI MVVM architecture - View

WordsetCategoriesView.swift

struct WordsetCategoriesView<VM: WordsetCategoriesViewModelProtocol>: View { 
   
    // MARK: - View Model 
    @StateObject private var viewModel: VM  

    // MARK: - Core Data 
    @FetchRequest private var categories: FetchResults<WordsetCategory>

    init(viewModel: VM) {
        _viewModel = viewModel
        _categories = FetchRequest(
            entity: WordsetCategory.entity(),
            sortDescriptors: [
                NSSortDescriptor(key: "foreignName", ascending: true, selector: #selector(NSString.caseInsensitiveCompare(_:)))
            ]
        )
    }

    var body: some View {
        List {
            ForEach(Array(categories.enumerated()), id: \.1) { i, category in
                Text("\(category.foreignName)")
            }
        }
        .onAppear { 
            viewModel.syncWordsetCategories()
        }
    }
}