From 1f917e9a2ac3059d0602c5f1b368283a93aa9a9b Mon Sep 17 00:00:00 2001
From: neverland <jait.chen@foxmail.com>
Date: Sun, 13 Nov 2022 10:26:41 +0800
Subject: [PATCH] fix(Picker): empty column will cause error (#11249)

---
 packages/vant/src/picker/PickerColumn.tsx | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/packages/vant/src/picker/PickerColumn.tsx b/packages/vant/src/picker/PickerColumn.tsx
index f566222c3..7e5fa5d14 100644
--- a/packages/vant/src/picker/PickerColumn.tsx
+++ b/packages/vant/src/picker/PickerColumn.tsx
@@ -97,8 +97,10 @@ export default defineComponent({
       currentOffset.value = offset;
     };
 
+    const isReadonly = () => props.readonly || !props.options.length;
+
     const onClickOption = (index: number) => {
-      if (moving || props.readonly) {
+      if (moving || isReadonly()) {
         return;
       }
 
@@ -134,7 +136,7 @@ export default defineComponent({
     };
 
     const onTouchStart = (event: TouchEvent) => {
-      if (props.readonly) {
+      if (isReadonly()) {
         return;
       }
 
@@ -153,7 +155,7 @@ export default defineComponent({
     };
 
     const onTouchMove = (event: TouchEvent) => {
-      if (props.readonly) {
+      if (isReadonly()) {
         return;
       }
 
@@ -178,7 +180,7 @@ export default defineComponent({
     };
 
     const onTouchEnd = () => {
-      if (props.readonly) {
+      if (isReadonly()) {
         return;
       }