Function isOptionsObj

packages/forms/src/model/abstract_model.ts:257–265

(
  validatorOrOpts?: ValidatorFn | ValidatorFn[] | AbstractControlOptions | null,
)

}

export function isOptionsObj(
  validatorOrOpts?: ValidatorFn | ValidatorFn[] | AbstractControlOptions | null,
): validatorOrOpts is AbstractControlOptions {
  return (
    validatorOrOpts != null &&
    !Array.isArray(validatorOrOpts) &&
    typeof validatorOrOpts === 'object'
  );
}

export function assertControlPresent(parent: any, isGroup: boolean, key: string | number): void {
  const controls = parent.controls as {[key: string | number]: AbstractControl<any>};