jay2

test.swift

extension Router: Delegate {
  
  func dismissAndPresentWriteForm(_ groupID: Int?) {
    self.viewController?.present(WriteFormViewController(), animated: true)
  }
}

class 제이가만든뷰컨트롤러 {
  
  var selectedGroupID: Int? {
    guard let index = self.itemNodes.firstIndex(where: { $0.isSelected }) else { return nil }
    return self.groups[safe: index].id
  }
    
  weak var delegate: Delegate!
 
  func confirm() {
    self.dismiss(animated: true, completion: { [weak self] () in 
      guard let self = self else { return }
      self.delegate.dismissAndPresentWriteForm(self.selectedGroupID)
    }) 
  }
}