From ce5b39d2e39382df2630b1bc0db533ef044c859f Mon Sep 17 00:00:00 2001
From: takurinton <takurinton@takurinton.com>
Date: Sun, 5 Sep 2021 18:46:16 +0900
Subject: [PATCH] fix: index.ts in svelte-check

---
 packages/svelte-check/src/index.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/svelte-check/src/index.ts b/packages/svelte-check/src/index.ts
index ad460919e..a795efac3 100644
--- a/packages/svelte-check/src/index.ts
+++ b/packages/svelte-check/src/index.ts
@@ -92,7 +92,9 @@ async function getDiagnostics(
         );
         return result;
     } catch (err) {
-        writer.failure(err);
+        if (err instanceof Error) {
+            writer.failure(err);
+        }
         return null;
     }
 }