From bc574ddcec669723477af0e01c91419000d5c863 Mon Sep 17 00:00:00 2001
From: Yagiz Nizipli <yagiz@nizipli.com>
Date: Thu, 6 Jul 2023 13:05:05 -0400
Subject: [PATCH] perf: use fs.readdirSync with withFileTypes

---
 packages/next/src/server/lib/recursive-readdir-sync.ts | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/packages/next/src/server/lib/recursive-readdir-sync.ts b/packages/next/src/server/lib/recursive-readdir-sync.ts
index 9660cde7e40f2..b9b6ccae6c105 100644
--- a/packages/next/src/server/lib/recursive-readdir-sync.ts
+++ b/packages/next/src/server/lib/recursive-readdir-sync.ts
@@ -13,13 +13,12 @@ export function recursiveReadDirSync(
   /** Used to replace the initial path, only the relative path is left, it's faster than path.relative. */
   rootDir = dir
 ): string[] {
-  const result = fs.readdirSync(dir)
+  const result: fs.Dirent[] = fs.readdirSync(dir, { withFileTypes: true })
 
-  result.forEach((part: string) => {
-    const absolutePath = join(dir, part)
-    const pathStat = fs.statSync(absolutePath)
+  result.forEach((part) => {
+    const absolutePath = join(dir, part.path)
 
-    if (pathStat.isDirectory()) {
+    if (part.isDirectory()) {
       recursiveReadDirSync(absolutePath, arr, rootDir)
       return
     }