brewman/overlord/src/app/group/group-resolver.service.ts

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import {Injectable} from '@angular/core';
import {ActivatedRouteSnapshot, Resolve, Router, RouterStateSnapshot} from '@angular/router';
import {Group} from './group';
import {Observable} from 'rxjs/internal/Observable';
import {GroupService} from './group.service';
@Injectable({
providedIn: 'root'
})
export class GroupResolver implements Resolve<Group> {
constructor(private ser: GroupService, private router: Router) {
}
resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<Group> {
const id = route.paramMap.get('id');
return this.ser.get(id);
}
}