fix(dev-overrides): Make fs-dev tagCache override work with BUILD_ID

.changeset/light-pumas-call.md

@@ -0,0 +1,5 @@
+---
+"@opennextjs/aws": patch
+---
+
+fix(dev-overrides): Make fs-dev tagCache override work with BUILD_ID

packages/open-next/src/overrides/tagCache/fs-dev.ts

@@ -16,41 +16,49 @@ let tags = JSON.parse(tagContent) as {
   revalidatedAt: { N: string };
 }[];
 
+const { NEXT_BUILD_ID } = process.env;
+
+function buildKey(key: string) {
+  return path.posix.join(NEXT_BUILD_ID ?? "", key);
+}
+
 const tagCache: TagCache = {
   name: "fs-dev",
   mode: "original",
   getByPath: async (path: string) => {
     return tags
-      .filter((tagPathMapping) => tagPathMapping.path.S === path)
-      .map((tag) => tag.tag.S);
+      .filter((tagPathMapping) => tagPathMapping.path.S === buildKey(path))
+      .map((tag) => tag.tag.S.replace(`${NEXT_BUILD_ID}/`, ""));
   },
   getByTag: async (tag: string) => {
     return tags
-      .filter((tagPathMapping) => tagPathMapping.tag.S === tag)
-      .map((tag) => tag.path.S);
+      .filter((tagPathMapping) => tagPathMapping.tag.S === buildKey(tag))
+      .map((tagEntry) => tagEntry.path.S.replace(`${NEXT_BUILD_ID}/`, ""));
   },
   getLastModified: async (path: string, lastModified?: number) => {
     const revalidatedTags = tags.filter(
       (tagPathMapping) =>
-        tagPathMapping.path.S === path &&
+        tagPathMapping.path.S === buildKey(path) &&
         Number.parseInt(tagPathMapping.revalidatedAt.N) > (lastModified ?? 0),
     );
     return revalidatedTags.length > 0 ? -1 : (lastModified ?? Date.now());
   },
   writeTags: async (newTags) => {
     const newTagsSet = new Set(
-      newTags.map(({ tag, path }) => `${tag}-${path}`),
+      newTags.map(({ tag, path }) => `${buildKey(tag)}-${buildKey(path)}`),
     );
     const unchangedTags = tags.filter(
       ({ tag, path }) => !newTagsSet.has(`${tag.S}-${path.S}`),
     );
     tags = unchangedTags.concat(
-      newTags.map((tag) => ({
-        tag: { S: tag.tag },
-        path: { S: tag.path },
-        revalidatedAt: { N: String(tag.revalidatedAt ?? 1) },
+      newTags.map((item) => ({
+        tag: { S: buildKey(item.tag) },
+        path: { S: buildKey(item.path) },
+        revalidatedAt: { N: `${item.revalidatedAt ?? Date.now()}` },
       })),
     );
+    // Should we write to the file here?
+    // fs.writeFileSync(tagFile, JSON.stringify(tags));
   },
 };