nikans / monarchrouter Goto Github PK

guard modal != presentedModal else { return }

guard modal.presentingViewController == nil else { return }

        if let dismissModal = dismissModal {
            self.dismissModal = dismissModal
        }
        else {
            self.dismissModal = { modal in
                modal.presentingViewController?.dismiss(animated: true, completion: nil)
                presentedModal = nil
            }
        }

       ...

        // only one, pop to root
        if newStack.count == 1 && currentStack.count > 1 {
            navigationController.popToRootViewController(animated: true)
        }

        // pop
        if currentStack.count > newStack.count {
            navigationController.setViewControllers(newStack, animated: true)
        }

        // push
        else {
            let diff = patch(from: currentStack, to: newStack)
            diff.forEach({ change in
                switch change {

                case .insertion(let idx, let vc):
                    if idx == newStack.count - 1 {
                        navigationController.pushViewController(vc, animated: true)
                    } else {
                        navigationController.viewControllers.insert(vc, at: idx)
                    }

                case .deletion(let idx):
                    navigationController.viewControllers.remove(at: idx)
                }
            })
        }

       ...

        navigationController.setViewControllers(newStack, animated: true)