Function coerceToAsyncValidator

packages/forms/src/model/abstract_model.ts:224–230

* Creates async validator function by combining provided async validators.

(
  asyncValidator?: AsyncValidatorFn | AsyncValidatorFn[] | null,
)

 * Creates async validator function by combining provided async validators.
 */
function coerceToAsyncValidator(
  asyncValidator?: AsyncValidatorFn | AsyncValidatorFn[] | null,
): AsyncValidatorFn | null {
  return Array.isArray(asyncValidator)
    ? composeAsyncValidators(asyncValidator)
    : asyncValidator || null;
}

export type FormHooks = 'change' | 'blur' | 'submit';