This base route reuse strategy only reuses routes when the matched router configs are identical. This prevents components from being destroyed and recreated when just the fragment or query parameters change (that is, the existing component is reused).

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abstract class BaseRouteReuseStrategy implements RouteReuseStrategy {
  shouldDetach(route: ActivatedRouteSnapshot): boolean
  store(route: ActivatedRouteSnapshot, detachedTree: DetachedRouteHandle): void
  shouldAttach(route: ActivatedRouteSnapshot): boolean
  retrieve(route: ActivatedRouteSnapshot): DetachedRouteHandle | null
  shouldReuseRoute(future: ActivatedRouteSnapshot, curr: ActivatedRouteSnapshot): boolean
}

Description

This strategy does not store any routes for later reuse.

Angular uses this strategy by default.

It can be used as a base class for custom route reuse strategies, i.e. you can create your own class that extends the BaseRouteReuseStrategy one.

Methods

shouldDetach()
Whether the given route should detach for later reuse. Always returns false for BaseRouteReuseStrategy.
shouldDetach(route: ActivatedRouteSnapshot): boolean Parameters route ActivatedRouteSnapshot Returns boolean

store()
A no-op; the route is never stored since this strategy never detaches routes for later re-use.
store(route: ActivatedRouteSnapshot, detachedTree: DetachedRouteHandle): void Parameters route ActivatedRouteSnapshot detachedTree DetachedRouteHandle Returns void

shouldAttach()
Returns false, meaning the route (and its subtree) is never reattached
shouldAttach(route: ActivatedRouteSnapshot): boolean Parameters route ActivatedRouteSnapshot Returns boolean

retrieve()
Returns null because this strategy does not store routes for later re-use.
retrieve(route: ActivatedRouteSnapshot): DetachedRouteHandle | null Parameters route ActivatedRouteSnapshot Returns DetachedRouteHandle | null

shouldReuseRoute()
Determines if a route should be reused. This strategy returns true when the future route config and current route config are identical.
shouldReuseRoute(future: ActivatedRouteSnapshot, curr: ActivatedRouteSnapshot): boolean Parameters future ActivatedRouteSnapshot curr ActivatedRouteSnapshot Returns boolean