The router's default reuse strategy

route_reuse_strategy.ts

/**
 * Does not detach any subtrees. Reuses routes as long as their route config is the same.
 */
export class DefaultRouteReuseStrategy implements RouteReuseStrategy {
  shouldDetach(route: ActivatedRouteSnapshot): boolean { return false; }
  store(route: ActivatedRouteSnapshot, detachedTree: DetachedRouteHandle): void {}
  shouldAttach(route: ActivatedRouteSnapshot): boolean { return false; }
  retrieve(route: ActivatedRouteSnapshot): DetachedRouteHandle|null { return null; }
  shouldReuseRoute(future: ActivatedRouteSnapshot, curr: ActivatedRouteSnapshot): boolean {
    return future.routeConfig === curr.routeConfig;
  }
}