EmojibookListView.swift

struct EmojibookListView: View {

  let emojiData: [EmojiDetails] = EmojiProvider.all()
  @State private var showingDetail: Bool = false

  var body: some View {
    NavigationView {
      List {
        ForEach(emojiData, content: { emojiDetails in
          Button(action: {
            showingDetail.toggle()
          }, label: {
            EmojiItemView(emoji: emojiDetails.emoji, emojiName: emojiDetails.name)
          })
          .sheet(isPresented: $showingDetail) {
            EmojiDetailsView(emojiDetails: emojiDetails)
          }
        })
      }
      .foregroundColor(.black)
      .listStyle(InsetGroupedListStyle())
      .navigationBarTitle("Emojibook")
    }
  }
}

struct EmojiItemView: View {
  // ...
}

struct EmojiDetailsView: View {
  // ...
}