From 497445729d6844cf2fccd53a83e57784ea185004 Mon Sep 17 00:00:00 2001
From: mathisobadia <mathis.obadia@gmail.com>
Date: Mon, 27 Nov 2023 16:35:04 +0100
Subject: [PATCH] make fetch tag backward compatible

---
 packages/open-next/src/adapters/cache.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/open-next/src/adapters/cache.ts b/packages/open-next/src/adapters/cache.ts
index e54fd0e4..ec1bbe00 100644
--- a/packages/open-next/src/adapters/cache.ts
+++ b/packages/open-next/src/adapters/cache.ts
@@ -306,7 +306,7 @@ export default class S3Cache {
     // If we use an in house version of getDerivedTags in build we should use it here instead of next's one
     const derivedTags: string[] =
       data?.kind === "FETCH"
-        ? ctx?.tags ?? []
+        ? ctx?.tags ?? data?.data?.tags ?? [] // before version 14 next.js used data?.data?.tags so we keep it for backward compatibility
         : data?.kind === "PAGE"
         ? data.headers?.["x-next-cache-tags"]?.split(",") ?? []
         : [];