import { Directive } from '@angular/core';
import { AbstractControl, ValidationErrors, Validator } from '@angular/forms';

@Directive({
  selector: '[forbiddenNameValidator]',
  standalone: true
})
export class ForbiddenNameValidatorDirective implements Validator {

  constructor() { }

  validate(control: AbstractControl): ValidationErrors | null {
    const forbidden = /admin/.test(control.value);
    return forbidden ? { 'forbiddenName': { value: control.value } } : null;
  }

}