Function isFormControlState

packages/forms/src/model/form_control.ts:443–451

(formState: unknown)

}

function isFormControlState(formState: unknown): formState is FormControlState<unknown> {
  return (
    typeof formState === 'object' &&
    formState !== null &&
    Object.keys(formState).length === 2 &&
    'value' in formState &&
    'disabled' in formState
  );
}

export const FormControl: ɵFormControlCtor = class FormControl<TValue = any>
  extends AbstractControl<TValue>