From 4f03d2795afa16c242b56f82888831e0c5e5f184 Mon Sep 17 00:00:00 2001
From: Liril <god@liril.net>
Date: Thu, 11 May 2017 16:22:56 +0800
Subject: [PATCH] Cascader: Add default before-filter

---
 packages/cascader/src/main.vue | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/cascader/src/main.vue b/packages/cascader/src/main.vue
index 9cf93c1bd..c1d743a4a 100644
--- a/packages/cascader/src/main.vue
+++ b/packages/cascader/src/main.vue
@@ -142,7 +142,7 @@ export default {
     },
     beforeFilter: {
       type: Function,
-      default: null
+      default: () => (() => {})
     }
   },