AsyncValidatorFn

interface

interface AsyncValidatorFn {
  (control: AbstractControl): Promise<ValidationErrors | null> | Observable<ValidationErrors | null>
}

Methods

call signature

`(control: AbstractControl): Promise<ValidationErrors | null> | Observable<ValidationErrors | null>`

Parameters

control

Type: AbstractControl.

Returns

Promise<ValidationErrors | null> | Observable<ValidationErrors | null>

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Licensed under the Creative Commons Attribution License 4.0.
https://v6.angular.io/api/forms/AsyncValidatorFn