AppDelegate+Coordinator

AppDelegate+Coordinator.swift

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
    var window: UIWindow?
    
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey : Any]? = nil) -> Bool {
        
        // Manually creates the window and makes it visible.
        window = UIWindow(frame: UIScreen.main.bounds)
        window?.makeKeyAndVisible()
        window?.rootViewController = UIViewController() // Dummy VC for Coordinator's init
        
        let sceneCoordinator = SceneCoordinator(window: window!)
        let firstSceneViewModel = FirstSceneViewModel(coordinator: sceneCoordinator)
        let firstScene = Scene.firstScene(firstSceneViewModel)
        
        sceneCoordinator.transition(to: firstScene, type: .root)
        return true
    }
}