fix: move cache assets instead of copying them

makepanic · makepanic · commit 9a40cdb27f06 · 2025-05-28T16:57:56.000+02:00
fixes parts of opennextjs#822
diff --git a/packages/open-next/src/build/createAssets.ts b/packages/open-next/src/build/createAssets.ts
@@ -92,11 +92,22 @@ export function createCacheAssets(options: buildHelper.BuildOptions) {
     ".next/standalone",
     packagePath,
   );
+
   const outputPath = path.join(outputDir, "cache", buildId);
+
+  // Ensure output directory exists
+  fs.mkdirSync(outputPath, { recursive: true });
+
   [".next/server/pages", ".next/server/app"]
-    .map((dir) => path.join(dotNextPath, dir))
-    .filter(fs.existsSync)
-    .forEach((dir) => fs.cpSync(dir, outputPath, { recursive: true }));
+      .map((dir) => path.join(dotNextPath, dir))
+      .filter(fs.existsSync)
+      .forEach((dir) => {
+        const dirName = path.basename(dir);
+        const targetPath = path.join(outputPath, dirName);
+
+        // Rename the directory instead of copying to avoid blowing up the build size
+        fs.renameSync(dir, targetPath);
+      });
 
   // Remove non-cache files
   const htmlPages = buildHelper.getHtmlPages(dotNextPath);
