Fix relayStylePaginationWithNodes losing the first page of data

CruGlobal · Jan 16, 2025 · 143406b · 143406b
1 parent b3d4928
commit 143406b
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/src/lib/apollo/relayStylePaginationWithNodes.tsx b/src/lib/apollo/relayStylePaginationWithNodes.tsx
@@ -77,6 +77,16 @@ export function relayStylePaginationWithNodes<TNode = Reference>(
       incoming,
       { args, isReference, readField },
     ) {
+      // `merge` can be called multiple times with the same incoming data as Apollo recursively
+      // merges data at various levels in the tree. If the incoming data is the same as the existing
+      // data, simply ignore it.
+      if (
+        incoming.pageInfo?.endCursor &&
+        incoming.pageInfo?.endCursor === existing.pageInfo.endCursor
+      ) {
+        return existing;
+      }
+
       const incomingEdges = incoming.edges
         ? incoming.edges.map((edge) => {
             if (isReference((edge = { ...edge }))) {