From 130f42f8a8f604f3d885099975c0e2f31c8b42ac Mon Sep 17 00:00:00 2001
From: EnixCoda <enixcoda@gmail.com>
Date: Fri, 3 Apr 2020 13:34:46 +0800
Subject: [PATCH] fix: prevent generate empty regex

---
 src/components/FileExplorer.tsx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/components/FileExplorer.tsx b/src/components/FileExplorer.tsx
index ff82411..db4e259 100644
--- a/src/components/FileExplorer.tsx
+++ b/src/components/FileExplorer.tsx
@@ -59,7 +59,9 @@ const RawFileExplorer: React.FC<Props & ConnectorState> = function RawFileExplor
       <VirtualNode
         index={index}
         style={style}
-        regex={isValidRegexpSource(searchKey) ? new RegExp(searchKey, 'gi') : undefined}
+        regex={
+          searchKey && isValidRegexpSource(searchKey) ? new RegExp(searchKey, 'gi') : undefined
+        }
         onNodeClick={onNodeClick}
         renderActions={renderActions}
       />