ViewControllerType

public struct ViewControllerType : IntrospectableViewType

An abstract representation of the receiving SwiftUI view’s view controller, or the closest ancestor view controller if missing.

struct ContentView: View {
    var body: some View {
        NavigationView {
            Text("Root").frame(maxWidth: .infinity, maxHeight: .infinity).background(Color.red)
                .introspect(.viewController, on: .iOS(.v13, .v14, .v15, .v16, .v17)) {
                    print(type(of: $0)) // some subclass of UIHostingController
                }
        }
        .navigationViewStyle(.stack)
        .introspect(.viewController, on: .iOS(.v13, .v14, .v15, .v16, .v17)) {
            print(type(of: $0)) // UINavigationController
        }
    }
}