From 51035ee4c4df5d7924cd9e8f0efccbac4eaa1055 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BA=8C=E8=B4=A7=E6=9C=BA=E5=99=A8=E4=BA=BA?=
 <smith3816@gmail.com>
Date: Thu, 3 Mar 2022 14:39:12 +0800
Subject: [PATCH] fix: not crash on string value (#251)

---
 src/Cascader.tsx     | 2 +-
 tests/index.spec.tsx | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Cascader.tsx b/src/Cascader.tsx
index dea1fdb4..7ea4597c 100644
--- a/src/Cascader.tsx
+++ b/src/Cascader.tsx
@@ -157,7 +157,7 @@ function toRawValues(value: ValueType): SingleValueType[] {
     return value;
   }
 
-  return value.length === 0 ? [] : [value];
+  return (value.length === 0 ? [] : [value]).map(val => (Array.isArray(val) ? val : [val]));
 }
 
 const Cascader = React.forwardRef<CascaderRef, InternalCascaderProps>((props, ref) => {
diff --git a/tests/index.spec.tsx b/tests/index.spec.tsx
index 488fb5ab..d1525ab2 100644
--- a/tests/index.spec.tsx
+++ b/tests/index.spec.tsx
@@ -892,4 +892,8 @@ describe('Cascader.Basic', () => {
       wrapper.find(`li[data-path-key]`).at(1).simulate('click');
     });
   });
+
+  it('not crash when value type is not array', () => {
+    mount(<Cascader value={'bamboo' as any} />);
+  });
 });