Function getControlAsyncValidators

packages/forms/src/validators.ts:735–739

(
  control: AbstractControl,
)

 * Retrieves the list of raw asynchronous validators attached to a given control.
 */
export function getControlAsyncValidators(
  control: AbstractControl,
): AsyncValidatorFn | AsyncValidatorFn[] | null {
  return (control as any)._rawAsyncValidators as AsyncValidatorFn | AsyncValidatorFn[] | null;
}

/**
 * Accepts a singleton validator, an array, or null, and returns an array type with the provided