Rollere dayalı route koruması.

auth-route.guard.ts

import { Injectable } from '@angular/core';
import { CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot, Router } from '@angular/router';
import { LoginMeGQL } from '@generated-types';
@Injectable({
  providedIn: 'root'
})

export class AuthRouteGuard implements CanActivate {
  constructor(
    private router: Router,
    private loginMeGQL: LoginMeGQL
  ) { }

  async canActivate(
    router: ActivatedRouteSnapshot,
    state: RouterStateSnapshot
  ) {
    const result = await this.loginMeGQL.fetch({}, {
      fetchPolicy: 'cache-first'
    }).toPromise();

    if (result.data.me) {
      if (router.data.roles && router.data.roles.indexOf(result.data.me.role) === -1) {
        this.router.navigateByUrl('/');
        return false;
      }
      return true;
    }
  }
}