From 2d44ad2f8f5c9a165865f6a69f80794c1839543c Mon Sep 17 00:00:00 2001
From: Dan Parizher <105245560+danparizher@users.noreply.github.com>
Date: Sat, 4 Oct 2025 07:40:37 -0400
Subject: [PATCH] [`ty`] Fix playground crashes when accessing vendored files
 with leading slashes (#20661)

---
 playground/ty/src/Playground.tsx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/playground/ty/src/Playground.tsx b/playground/ty/src/Playground.tsx
index 5ace4b9134..1391ee548f 100644
--- a/playground/ty/src/Playground.tsx
+++ b/playground/ty/src/Playground.tsx
@@ -100,6 +100,10 @@ export default function Playground() {
       setError("File names cannot start with '/'.");
       return;
     }
+    if (newName.startsWith("vendored:")) {
+      setError("File names cannot start with 'vendored:'.");
+      return;
+    }
 
     const handle = files.handles[file];
     let newHandle: FileHandle | null = null;