Function _setDisabledField

src/logic/createFormControl.ts:1426–1442

({
    disabled,
    name,
  })

  };

  const _setDisabledField: Control<TFieldValues>['_setDisabledField'] = ({
    disabled,
    name,
  }) => {
    if (
      (isBoolean(disabled) && _state.mount) ||
      !!disabled ||
      _names.disabled.has(name)
    ) {
      const wasDisabled = _names.disabled.has(name);
      const isDisabled = !!disabled;
      const disabledStateChanged = wasDisabled !== isDisabled;

      disabled ? _names.disabled.add(name) : _names.disabled.delete(name);
      disabledStateChanged && _state.mount && !_state.action && _setValid();
    }
  };

  const register: UseFormRegister<TFieldValues> = (name, options = {}) => {
    let field = get(_fields, name);