srdanrasic

extension ProfileViewController {

    static func makeViewController(_ userService: UserService) -> ProfileViewController {
        let viewController = ProfileViewController()

        viewController.nameLabel.text = userService.user.name
        viewController.imageView.imageUrl = userService.user.imageUrl  // Assuming using an image caching libary
        
        userService.friends.bind(to: viewController.friendsView) { cell, friend in
            cell.nameLabel.text = friend.name

srdanrasic

extension ProfileViewController {

    static func makeViewController() -> ProfileViewController {
        let viewController = ProfileViewController()
        // ...configure viewController...
        return viewController
    }
}

srdanrasic

extension ProfileViewController {
    
    func makeLogoutButton() -> UIButton {
        let button = UIButton(type: .system)
        button.setTitle("Log out", for: .normal)
        return button
    }
}

srdanrasic

extension ProfileViewController {

    static func makeViewController(_ userService: UserService) -> ProfileViewController {

        let viewController = ProfileViewController()

        ...
      
        viewController.friendsView.reactive.selectedItem
            .with(latestFrom: userService.friends, combine: itemAtIndex)  // Take element at selected index from friends array

srdanrasic

extension ProfileViewController {

    static func makeViewController(_ userService: UserService) -> ProfileViewController {
        let viewController = ProfileViewController()

        viewController.nameLabel.text = userService.user.name
        viewController.imageView.imageUrl = userService.user.imageUrl  // Assuming using an image caching libary

        userService.friends.bind(to: viewController.friendsView) { cell, friend in
            cell.nameLabel.text = friend.name

srdanrasic

extension ??? {

    func makeViewController() -> ProfileViewController {
        let viewController = ProfileViewController()
        // ...configure viewController...
        return viewController
    }
}

srdanrasic

public struct User {
    public let name: String
    public let imageUrl: URL
}

public class UserService {
    
    public let user: User
    public let friends: SafeSignal<[User]>
    

srdanrasic

public class ProfileViewController: UIViewController {
    public let nameLabel: UILabel
    public let imageView: UIImageView
    public let friendsView: UICollectionView
    public let logoutButton: UIButton
}

srdanrasic

import UIKit

public struct Style<View: UIView> {
    
    public let style: (View) -> Void
    
    public init(style: @escaping (View) -> Void) {
        self.style = style
    }

srdanrasic

public class ProductView: UIView {
    
    public let titleLabel = UILabel(style: Stylesheet.Product.title)
    public let imageView = UIImageView(style: Stylesheet.Product.image)
}