Contains the information about a route associated with a component loaded in an outlet at a particular moment in time. ActivatedRouteSnapshot can also be used to traverse the router state tree.

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class ActivatedRouteSnapshot {
  routeConfig: Route | null
  title: string | undefined
  url: UrlSegment[]
  params: Params
  queryParams: Params
  fragment: string | null
  data: Data
  outlet: string
  component: Type<any> | null
  root: ActivatedRouteSnapshot
  parent: ActivatedRouteSnapshot | null
  firstChild: ActivatedRouteSnapshot | null
  children: ActivatedRouteSnapshot[]
  pathFromRoot: ActivatedRouteSnapshot[]
  paramMap: ParamMap
  queryParamMap: ParamMap
  toString(): string
}

Description

The following example initializes a component with route information extracted from the snapshot of the root node at the time of creation.

@Component({templateUrl:'./my-component.html'})
class MyComponent {
  constructor(route: ActivatedRoute) {
    const id: string = route.snapshot.params.id;
    const url: string = route.snapshot.url.join('');
    const user = route.snapshot.data.user;
  }
}

Properties

collectRouteParams(router: Router) {
  let params = {};
  let stack: ActivatedRouteSnapshot[] = [router.routerState.snapshot.root];
  while (stack.length > 0) {
    const route = stack.pop()!;
    params = {...params, ...route.params};
    stack.push(...route.children);
  }
  return params;
}

Methods