```import SwiftUI

import Combine



struct VideoList: View {

    @ObservedObject private(set) var viewModel: ViewModel

    @State private var isRefreshing = false

    

    var body: some View {

        NavigationView {

            List(viewModel.videos.sorted { $0.id > $1.id}, id: \.id) { video in

                NavigationLink(

                destination: VideoDetails(viewModel: VideoDetails.ViewModel(video: video))) {

                    VideoRow(video: video)

                }

            }

            .onPullToRefresh(isRefreshing: $isRefreshing, perform: {

                self.viewModel.fetchVideos()

            })

            .onReceive(viewModel.$videos, perform: { _ in

                self.isRefreshing = false

            })

            .navigationBarTitle(viewModel.navigationBarTitle)

        }

        .onAppear(perform: viewModel.fetchVideos)

    }

}



#if DEBUG

struct VideoList_Previews: PreviewProvider {

    static var previews: some View {

        NavigationView {

            VideoList(viewModel: .init())

        }

    }

}

#endif
```