SwiftUI के लिए अपने मौजूदा व्यावसायिक समाधान को अपनाना। भाग 4. नेविगेशन और कॉन्फ़िगरेशन

@available(iOS 13.0, OSX 10.15, tvOS 13.0, *)
@available(watchOS, unavailable)
public struct NavigationView<Content> : View where Content : View {

    public init(@ViewBuilder content: () -> Content)

    //....
}

public struct NavigationLink<Label, Destination> : View where Label : View, 
                                                                                           Destination : View {
.
    public init(destination: Destination, @ViewBuilder label: () -> Label)

    public init(destination: Destination, isActive: Binding<Bool>, 
                   @ViewBuilder label: () -> Label)

    public init<V>(destination: Destination, tag: V, selection: Binding<V?>,
                          @ViewBuilder label: () -> Label) where V : Hashable
//....
}

  NavigationView{
            NavigationLink(destination: ProfileView(), isActive: self.$isProfile) {
                Text("Profile")
            }
            NavigationLink(destination: Settings(), isActive: self.$isSettings) {
                           Text("Settings")
                       }
            NavigationLink(destination: Favorite(), isActive: self.$isFavorite) {
                Text("Favorite")
            }
            NavigationLink(destination: Login(), isActive: self.$isLogin) {
                Text("Login")
            }
            NavigationLink(destination: Search(), isActive: self.$isSearch) {
                Text("Search")
            }
}

 NavigationLink(destination: ProfileView(), isActive: self.$isProfile) {
                Text("Profile")
            }

       if self.isProfile {
            NavigationLink(destination: ProfileView()) {
                Text("Profile")
            }
}

 NavigationView{
        List(model.data) { item in
            NavigationLink(destination: NewsItemView(item:item)) {
            NewsItemRow(data: item)
            }
        }

open class UIHostingController<Content> : UIViewController where Content : View {

    public init(rootView: Content)

    public var rootView: Content
//...
}

class Navigator {
    private init(){}
    
    static let shared = Navigator()
    
    private weak var view: UIViewController?
    
    internal weak var nc: UINavigationController?
        
   func setup(view: UIViewController) {
        self.view = view
    }
     
  internal func open<Content:View>(screen: Content.Type, _ data: Any? = nil) {
     if let vc = ModuleConfig.shared.config(screen: screen)?
        .createScreen(data) {
        self.nc?.pushViewController(vc, animated: true)
        }
   }

protocol IConfugator: class {
    func createScreen(_ data: Any?)->UIViewController
}

class ModuleConfig{
    private init(){}
    static let shared = ModuleConfig()
    
    func config<Content:View>(screen: Content.Type)->IConfugator? {
        if screen == NewsListView.self {
            return NewsListConfigurator.shared
        }
      // -
        return nil
    }
}

class NewsListConfigurator: IConfugator {
    static let shared = NewsListConfigurator()
    
    func createScreen(_ data: Any?) -> UIViewController {
         var view = NewsListView()
        let presenter = NewsListPresenter()
         let interactor = NewsListInteractor()
        
        interactor.output = presenter
        presenter.output = view
        view.output = interactor
        
        let vc = UIHostingController<ContainerView<NewsListView>>
                    (rootView: ContainerView(content: view))
        return vc
    }
}

  List(model.data) { item in
            NewsItemRow(data: item)
                .onTapGesture {
                Navigator.shared.open(screen: NewsItemView.self, item)
            }
        }