From 143406b8127064171b27115fdb5b5fa9de3218d3 Mon Sep 17 00:00:00 2001
From: Caleb Cox <canac@users.noreply.github.com>
Date: Thu, 16 Jan 2025 14:30:47 -0600
Subject: [PATCH] Fix relayStylePaginationWithNodes losing the first page of
 data

---
 src/lib/apollo/relayStylePaginationWithNodes.tsx | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/lib/apollo/relayStylePaginationWithNodes.tsx b/src/lib/apollo/relayStylePaginationWithNodes.tsx
index d757e1d7f..7a23f1665 100644
--- 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 }))) {