YTContentView.swift

import SwiftUI

@available(iOS 16.0, *)
struct ContentView: View {
  @ObservedObject var viewModel = ViewModel()
  
  var body: some View {
    NavigationStack {
      List(viewModel.items) { item in
        NavigationLink(value: item.fullID?.videoID) {
          VStack {
            AsyncImage(url: item.defaultThumbnailURL) { image in
              image
                .resizable()
                .scaledToFit()
            } placeholder: { ProgressView() }
            Text(item.snippet?.title ?? "???")
          }
        }
      }
      .navigationDestination(for: String.self) { videoID in
        YTPlayer(videoID: videoID)
          .aspectRatio(1.3, contentMode: .fit)
          .frame(maxHeight:.infinity, alignment: .top)
      }
    }
    .submitLabel(.search)
    .searchable(text: $viewModel.search)
    .onSubmit(of: .search, viewModel.performSearch)
  }
}