TextMesh Pro [ InputField ] GenerateCaret() if no InputSystem NullReferenceException .3359

Hello! If somehow EvenetSystem disappear or became disabled when InputField is selected / edited, i get NullReferenceException at TMP_InputField.GenerateCaret() 3359 lline

We switch EventSystem on / off during to custom input for performance reasons.
Now I'm trying to figure out how to disable InputField Caret generation

 

Found solution, this component on Input prevent error

Code (CSharp):

1. using TMPro;
2. using UnityEngine;
3. using UnityEngine.EventSystems;
4.  
5. public class InputFieldSafeCheck : MonoBehaviour
6. {
7.     private TMP_InputField input;
8.  
9.     void Start()
10.     {
11.         input = GetComponent<TMP_InputField>();
12.     }
13.     void Update()
14.     {
15.         if (!input) return;
16.         if (!EventSystem.current && !input.readOnly)
17.         {
18.             input.readOnly = true;
19.         }
20.     }
21. }