getParam utils

src/lib/services/entities-map.service.ts

@@ -77,7 +77,7 @@ export abstract class EntitiesMapService<E extends Entity<I>, I> {
     }
 
     replace(entities: E[]) {
-        /** Return true if files were replaced or false if not **/
+        /** Return true if entities were replaced or false if not **/
         const key = this._pluckPrimaryKey(entities[0]);
         const entityIds = entities.map(entity => entity.id);
         const existingEntities = this.get(key).filter(entity => entityIds.includes(entity.id));

src/lib/utils/functions.ts

@@ -171,7 +171,14 @@ Array.prototype.filterTruthy = function <T>(this: T[], predicate: (value: T) =>
 /**
  * Use this in field initialization or in constructor of a service / component
  * @param param
+ * @param route
  */
-export function getParam(param: string): string | null {
-    return inject(ActivatedRoute).snapshot.paramMap.get(param);
+export function getParam(param: string, route = inject(ActivatedRoute)): string | null {
+    if (route.snapshot.paramMap.has(param)) {
+        return route.snapshot.paramMap.get(param);
+    }
+    if (route.parent) {
+        return getParam(param, route.parent);
+    }
+    return null;
 }