fix & comment

Author: conico974

packages/open-next/src/adapters/cache.ts

@@ -435,6 +435,7 @@ export default class Cache {
         await globalThis.tagCache.writeTags(toInsert);
 
         // We can now invalidate all paths in the CDN
+        // This only applies to `revalidateTag`, not to `res.revalidate()`
         const uniquePaths = Array.from(
           new Set(
             toInsert

packages/open-next/src/core/routing/util.ts

@@ -431,6 +431,7 @@ export function createServerResponse(
   );
 }
 
+// This function is used only for `res.revalidate()`
 export async function invalidateCDNOnRequest(params: {
   //TODO: use the initialPath instead of rawPath, a rewrite could have happened and would make cdn invalidation fail
   rawPath: string;

packages/open-next/src/overrides/cdnInvalidation/cloudfront.ts

@@ -14,7 +14,7 @@ export default {
         ? [`${path}`, `${path}?_rsc=*`]
         : [
             `${path}`,
-            `_next/data/${process.env.NEXT_BUILD_ID}${path === "/" ? "/index" : path}.json*`,
+            `/_next/data/${process.env.NEXT_BUILD_ID}${path === "/" ? "/index" : path}.json*`,
           ],
     );
     await cloudfront.send(