Type Alias AsyncValidatorFn<T, E>

AsyncValidatorFn: (
    control: AbstractControl<T>,
) =>
    | Promise<ValidationErrors<E> | null>
    | Observable<ValidationErrors<E> | null>

Type Parameters

T = any
E = any

Type declaration

- (
      control: AbstractControl<T>,
  ):
      | Promise<ValidationErrors<E> | null>
      | Observable<ValidationErrors<E> | null>
- Parameters
  - control: AbstractControl<T>
  Returns Promise<ValidationErrors<E> | null> | Observable<ValidationErrors<E> | null>