#405 selectId as optional

ngrx · Sep 19, 2017 · 5249ac5 · 5249ac5
1 parent 3219623
commit 5249ac5
Showing 1 changed file with 7 additions and 6 deletions.
diff --git a/modules/entity/src/create_adapter.ts b/modules/entity/src/create_adapter.ts
@@ -10,14 +10,15 @@ import { createSelectorsFactory } from './state_selectors';
 import { createSortedStateAdapter } from './sorted_state_adapter';
 import { createUnsortedStateAdapter } from './unsorted_state_adapter';
 
-export function createEntityAdapter<T>(options?: {
- selectId: IdSelector<T>;
- sortComparer?: false | Comparer<T>;
-}): EntityAdapter<T> {
- options = options || { selectId: (instance: any) => instance.id };
-
+export function createEntityAdapter<T>(
+ options: {
+  selectId?: IdSelector<T>;
+ sortComparer?: false | Comparer<T>;
+ } = {}
+): EntityAdapter<T> {
  const { selectId, sortComparer }: EntityDefinition<T> = {
  sortComparer: false,
+ selectId: (instance: any) => instance.id,
  ...options,
  };