ios -14 Collapsible List

CollapsibleList.swift

//  Created by Prafulla Singh on 29/6/20.
//

import SwiftUI

struct FamilyTree: Identifiable {
    let id = UUID()
    let name: String
    let childrens: [FamilyTree]?
}

func generateData() -> [FamilyTree] {
    return [FamilyTree.init(name: "A", childrens: [FamilyTree.init(name: "Aa", childrens: nil)]), FamilyTree.init(name: "B", childrens: [FamilyTree.init(name: "BB", childrens: nil)])]
}

struct DemoCollapsibleVIew: View {
    let familyTreeRoot = generateData()
    
    var body: some View {
        List(familyTreeRoot, children: \.childrens) { familyTree in
            Text(familyTree.name)
        }
    }
}

struct DemoCollapsibleVIew_Previews: PreviewProvider {
    static var previews: some View {
        DemoCollapsibleVIew()
    }
}