Function coerceToValidator

packages/forms/src/model/abstract_model.ts:202–204

* Creates validator function by combining provided validators.

(validator: ValidatorFn | ValidatorFn[] | null)

 * Creates validator function by combining provided validators.
 */
function coerceToValidator(validator: ValidatorFn | ValidatorFn[] | null): ValidatorFn | null {
  return Array.isArray(validator) ? composeValidators(validator) : validator || null;
}

/**
 * Gets async validators from either an options object or given validators.