CatalogPageViewController.swift

import UIKit
import Shared

public class CatalogPageViewController: UIViewController {

    @IBOutlet weak var collectionView: UICollectionView!
    
    let viewModel: CatalogPageViewModel
    
    public init() {
        self.viewModel = CatalogPageViewModel(useCase: CatalogPageUseCase())
        let bundle = Bundle(for: Self.self)
        super.init(nibName: "CatalogPageViewController", bundle: bundle)
    }
    
    //rest of the code
}