How can I pop specific View Controller in Swift

Question

I used the Objective-C code below to pop a specific ViewController.

for (UIViewController *controller in self.navigationController.         


        

Answer 1

I prefer a "real generic" and more functional approach.

So I came up with following UINavigationController extension functions. You can also use the first function, for anything else, where you just need to access a specific VC in the navigation stack.

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Extensions

extension UINavigationController {
    func getViewController(of type: T.Type) -> UIViewController? {
        return self.viewControllers.first(where: { $0 is T })
    }

    func popToViewController(of type: T.Type, animated: Bool) {
        guard let viewController = self.getViewController(of: type) else { return }
        self.popToViewController(viewController, animated: animated)
    }
}

Usage

self.navigationController?.popToViewController(of: YourViewController.self, animated: true)

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This should work at least in Swift 4 and 5.