UITextField Extensions First Responder

UITextField+Extensions.swift

import UIKit

extension UITextField {
  convenience init(coordinator: CustomTextField.Coordinator) {
    self.init(frame: .zero)
    self.delegate = coordinator
  }
  func setFirstResponder(_ isResponder: Bool) {
    DispatchQueue.main.async {
      if isResponder {
        self.becomeFirstResponder()
      } else {
        self.resignFirstResponder()
      }
    }
  }
}