fix(offline-helpers): Preserve order of elements in update cache oper…

…ation type (#325)
awslabs · Dec 30, 2018 · 5b49946 · 5b49946
1 parent 082afec
commit 5b49946
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/packages/aws-appsync/src/helpers/offline.ts b/packages/aws-appsync/src/helpers/offline.ts
@@ -152,9 +152,11 @@ export const getUpdater = <T>(opType: CacheOperationTypes, idField = 'id'): (arr
 
     switch (opType) {
         case CacheOperationTypes.ADD:
-        case CacheOperationTypes.UPDATE:
             updater = (arr, newItem) => !newItem ? [...arr] : [...arr.filter(item => item[idField] !== newItem[idField]), newItem];
             break;
+        case CacheOperationTypes.UPDATE:
+            updater = (arr, newItem) => !newItem ? [...arr] : arr.map(item => item[idField] === newItem[idField] ? newItem : item);
+            break;
         case CacheOperationTypes.REMOVE:
             updater = (arr, newItem) => !newItem ? [] : arr.filter(item => item[idField] !== newItem[idField]);
             break;