nodejs
diff --git a/‎lib/fs.js‎
Lines changed: 3 additions & 0 deletions b/‎lib/fs.js‎
Lines changed: 3 additions & 0 deletions
diff --git a/‎test/parallel/test-fs-readdir-types.js‎
Lines changed: 8 additions & 0 deletions b/‎test/parallel/test-fs-readdir-types.js‎
Lines changed: 8 additions & 0 deletions
@@ -1530,6 +1530,9 @@ function readdir(path, options, callback) {
   }
 
   if (options.recursive) {
+    // Make shallow copy to prevent mutating options from affecting results
+    options = copyObject(options);
+
     readdirRecursive(path, options, callback);
     return;
   }
 
@@ -86,6 +86,14 @@ fs.readdir(readdirDir, {
   assertDirents(await direntsPromise);
 })().then(common.mustCall());
 
+{
+  const options = { recursive: true, withFileTypes: true };
+  fs.readdir(readdirDir, options, common.mustSucceed((dirents) => {
+    assertDirents(dirents);
+  }));
+  options.withFileTypes = false;
+}
+
 // Check for correct types when the binding returns unknowns
 const UNKNOWN = constants.UV_DIRENT_UNKNOWN;
 const oldReaddir = binding.readdir;
Original file line number	Diff line number	Diff line change
@@ -1530,6 +1530,9 @@ function readdir(path, options, callback) {
1530	1530	}
1531	1531
1532	1532	if (options.recursive) {
	1533	+ // Make shallow copy to prevent mutating options from affecting results
	1534	+ options = copyObject(options);
	1535	+
1533	1536	readdirRecursive(path, options, callback);
1534	1537	return;
1535	1538	}