Implementing @published to UISearchBar Delegate

MainView.swift

import UIKit
import Combine

class MoviesTableViewDiffableDataSource: UITableViewDiffableDataSource<String?, Result> {}

class MainView: UIViewController
{
    @IBOutlet weak var searchBar: UISearchBar!
    @IBOutlet weak var tableView: UITableView!
    
    @Published var keyStroke: String = ""
    
    override func viewDidLoad()
    {
        super.viewDidLoad()
        registerCell()
    }
}

// MARK: - Setup UI & Cells
extension MainView
{
    func registerCell()
    {
        let movieCell = UINib(nibName: MovieCell.reuseIdentifier, bundle: nil)
        tableView.register(movieCell, forCellReuseIdentifier: MovieCell.reuseIdentifier)
    }
}

//MARK: - UISearchBar Delegate
extension MainView: UISearchBarDelegate
{
    func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String)
    {
        self.keyStroke = searchText
    }
    
    func searchBarCancelButtonClicked(_ searchBar: UISearchBar) {
        self.keyStroke = ""
    }
}