HomeView.swift

struct HomeView: View {
    @EnvironmentObject private var items: Items
    
    private var categories: [(Backend.Category, [Item])] {
        items.categories
            .map { $0 }
            .sorted(by: \.key.rawValue)
            .reversed()
    }
    
    private func categorySection(category: Backend.Category, items: [Item]) -> some View {
        Section(header: Text(category.label())) {
            ScrollView(.horizontal) {
                HStack {
                    ForEach(items.prefix(10)) { item in
                        ItemRow(item: item)
                    }
                }.frame(height: 220)
            }
        }
    }
    
    var body: some View {
        NavigationView {
            List {
                ForEach(categories, id: \.0, content: categorySection)
            }.navigationBarTitle(Text("Items home"))
        }
    }
}