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- import { Directive, forwardRef } from "@angular/core";
- import { NG_ASYNC_VALIDATORS, Validator, AbstractControl } from "@angular/forms";
- import { Observable } from "rxjs";
- @Directive({
- selector: "[asyncValidator][formControlName], [asyncValidator][ngModel]",
- providers: [
- {
- provide: NG_ASYNC_VALIDATORS,
- useExisting: forwardRef(() => AsyncValidator), multi: true
- }
- ]
- })
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