Function registerOnValidatorChange

packages/forms/src/directives/shared.ts:150–155

(validators: (V | Validator)[], onChange: () => void)

}

function registerOnValidatorChange<V>(validators: (V | Validator)[], onChange: () => void): void {
  validators.forEach((validator: V | Validator) => {
    if ((<Validator>validator).registerOnValidatorChange)
      (<Validator>validator).registerOnValidatorChange!(onChange);
  });
}

/**
 * Sets up disabled change handler function on a given form control if ControlValueAccessor