Resolve route guard

ng generate r users

getAllUsers(): any{
    const userList = new Promise((resolve, reject) => {
      resolve(this.users);
    })
    return userList;
}

constructor(private userService: UserService){}

resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): any {
    return this.userService.getAllUsers().then(data => {
      return data;
    })
}

{ path: 'users', component: AllUsersComponent, resolve: {users: UsersResolver} },

users: Users[];

constructor(private userService: UserService, private route: ActivatedRoute) {}

ngOnInit(): void {
    this.users = this.route.snapshot.data['users'];
}