From d15d37b4855fece145de7a2c038edda67b7a531b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bart=C5=82omiej=20G=C5=82ownia?= <bglownia@gmail.com>
Date: Thu, 15 Sep 2022 11:03:02 +0200
Subject: [PATCH] chore:  derivedDataProvider fixes

---
 libs/react-helpers/src/lib/generic-data-provider.ts | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/libs/react-helpers/src/lib/generic-data-provider.ts b/libs/react-helpers/src/lib/generic-data-provider.ts
index b3448fb2c..6fd5c3aff 100644
--- a/libs/react-helpers/src/lib/generic-data-provider.ts
+++ b/libs/react-helpers/src/lib/generic-data-provider.ts
@@ -531,9 +531,13 @@ function makeDerivedDataProviderInternal<Data, Delta>(
         newLoading = newLoading || !part || part.loading;
         newLoaded = newLoaded && part && part.loaded;
       });
-    const dataParts = dependencies.map((dependency, i) => parts[i].data);
-    const newData = newLoaded ? combineData(dataParts, variables) : data;
-    if (updatedPartIndex !== undefined) {
+    const newData = newLoaded
+      ? combineData(
+          parts.map((part) => part.data),
+          variables
+        )
+      : data;
+    if (newLoaded && updatedPartIndex !== undefined) {
       const updatedPart = parts[updatedPartIndex];
       if (updatedPart.isUpdate && updatedPart.delta && combineDelta) {
         delta = combineDelta(parts, variables);