BlogSKMM1.RestaurantDetailView.swift

import Combine
import SwiftUI

import shared

class ObservableRestaurantDetailViewModel: ObservableObject {
    @Published var viewModelOutput: RestaurantDetailViewModelOutput?

    init(viewModel: RestaurantDetailViewModel) {
        asPublisher(viewModel.output)
            .compactMap { $0 }
            .receive(on: DispatchQueue.main)
            .assign(to: &$viewModelOutput)
    }
}

struct RestaurantDetailView: View {

    @ObservedObject var viewModelOutput: ObservableRestaurantDetailViewModel

    init(viewModel: RestaurantDetailViewModel) {
        viewModelOutput = ObservableRestaurantDetailViewModel(viewModel: viewModel)
    }

    var body: some View {
        if let output = viewModelOutput.viewModelOutput {
            VStack {
                Text(output.name)
                Text(output.priceCategory)
                // etc
            }
        } else {
            EmptyView()
        }
    }
}