ContentView.swift

//
//  ContentView.swift
//  chat
//
//  Created by Paul Sweeney Jr on 8/01/21.
//

import SwiftUI

class BlobModel: ObservableObject {
  static let sharedInstance = BlobModel()
  @Published var website: String = "Loading..."
}

var globalVariable = BlobModel()

struct ContentView: View {
  var body: some View {

    Text("\(globalVariable.website)")
      .font(.title)
      .padding().onAppear {
        loadWebsite(url:
          URL(string: "https://sweeneyapps.com"))
      }
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}

// code for loadWebsite below
import Foundation

func loadWebsite(url: URL?) {
    let task = URLSession.shared.dataTask(with: url!) { data, response, error in
      if let error = error {
        print(error)
        return
      }
      
      guard let httpResponse = response as? HTTPURLResponse,
            (200...299).contains(httpResponse.statusCode) else {
        print("The httpResponse is not 2xx")
        return
      }
      
      if let mimeType = httpResponse.mimeType, mimeType == "text/html",
        let data = data,
        let string = String(data: data, encoding: .utf8) {
                        
        globalVariable.website = string // output to UI
      }
    }
   task.resume()
}