Examples of uses in UINavigationControllers and UITabBarController about swiftyviper HOT 3 OPEN

extension ModuleProtocol {
    
    func presentWithNavController(from fromVC: UIViewController?, style: UIModalTransitionStyle, completion: CodeBlock? = nil) {
        let navVC = UINavigationController(rootViewController: viewController)
        navVC.modalTransitionStyle = style
        fromVC?.present(navVC, animated: true, completion: completion)
    }
    
    func replaceRoot(from navController: UINavigationController?) {
        guard let navvy = navController else { return }
        var vcs = navvy.viewControllers
        vcs[vcs.count - 1] = viewController
        navvy.setViewControllers(vcs, animated: true)
    }
}