Basic PPR

.changeset/angry-meals-suffer.md

@@ -0,0 +1,5 @@
+---
+"@opennextjs/aws": patch
+---
+
+Basic support for PPR

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

@@ -237,6 +237,7 @@ export default class S3Cache {
               rscData: Buffer.from(cacheData.rsc),
               status: meta?.status,
               headers: meta?.headers,
+              postponed: meta?.postponed,
             },
           } as CacheHandlerValue;
         }

packages/open-next/src/build.ts

@@ -445,7 +445,7 @@
   const outputPath = path.join(outputDir, "assets");
   fs.mkdirSync(outputPath, { recursive: true });
 
   // Next.js outputs assets into multiple files. Copy into the same directory.
   // Copy over:
   // - .next/BUILD_ID => _next/BUILD_ID
   // - .next/static   => _next/static
@@ -523,8 +523,12 @@
     () => true,
     (filepath) => {
       const ext = path.extname(filepath);
-      const newFilePath =
+      let newFilePath =
         ext !== "" ? filepath.replace(ext, ".cache") : `${filepath}.cache`;
+      // Handle prefetch cache files for partial prerendering
+      if (newFilePath.endsWith(".prefetch.cache")) {
+        newFilePath = newFilePath.replace(".prefetch.cache", ".cache");
+      }
       switch (ext) {
         case ".meta":
         case ".html":

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

@@ -73,4 +73,5 @@ export type Extension = "cache" | "fetch";
 export interface Meta {
   status?: number;
   headers?: Record<string, undefined | string | string[]>;
+  postponed?: string;
 }