SwiftUI-ObservableObject-OutlineList.swift

public class DataFetcher: ObservableObject {
    @Published var dataModel = [DataModel]()

    init() {
        var nestedMenu : [DataModel] = []

        for i in 0...5 {
            nestedMenu.append(DataModel(name: "Sub Item \(i)", icon: "calendar"))
        }
        

        self.dataModel = [
            DataModel(name: "Item 1", icon: "book.circle", children: [DataModel(name: "Sub Item 1", icon: "tv.fill", children: [DataModel(name: "Double Sub Item 1", icon: "headphones")])]),
                DataModel(name: "Item 2", icon: "printer"),
                DataModel(name: "Item 3", icon: "wifi"),
                DataModel(name: "Item 4", icon: "person.circle", children: nestedMenu),
                DataModel(name: "Item 5", icon: "hand.raised", children: nestedMenu),
                DataModel(name: "Item 6", icon: "zzz", children: nestedMenu)
                
            ]
    }
}