fix(elevator): resolve error while switching index and selection (#3282)

* fix(elevator): resolve error while switching index and selection

* fix: test

* fix: test

* fix: test

* fix: test

* fix: test

* fix: test

* fix: test

Author: Miles-hxy

pnpm-lock.yaml

@@ -32,10 +32,10 @@
       </view>
     </nut-scroll-view>
     <view v-show="scrollY > 2 && isSticky" class="nut-elevator__list__fixed">
-      <view class="nut-elevator__list__fixed-title">{{ indexList[currentIndex][acceptKey] }}</view>
+      <view class="nut-elevator__list__fixed-title">{{ indexList?.[currentIndex]?.[acceptKey] }}</view>
     </view>
     <view v-show="scrollStart" v-if="indexList.length > 0" class="nut-elevator__code--current">
-      {{ indexList[codeIndex][acceptKey] }}
+      {{ indexList?.[codeIndex]?.[acceptKey] }}
     </view>
     <view class="nut-elevator__bars" @touchstart="touchStart" @touchmove.stop.prevent="touchMove" @touchend="touchEnd">
       <view class="nut-elevator__bars__inner">

src/packages/__VUE/elevator/index.taro.vue

@@ -22,7 +22,7 @@
     </view>
     <view v-show="scrollStart" v-if="indexList.length" class="nut-elevator__code--current">
       {{
-        indexList[codeIndex][acceptKey]
+        indexList?.[codeIndex]?.[acceptKey]
       }}
     </view>
     <view class="nut-elevator__bars" @touchstart="touchStart" @touchmove.stop.prevent="touchMove" @touchend="touchEnd">

src/packages/__VUE/elevator/index.vue

@@ -5,7 +5,7 @@ import 'vitest-canvas-mock'
 
 test('WaterMark: fullPage = true', async () => {
   const wrapper = mount(() => {
-    return <Watermark font-color="#fa2c19" content="nut-ui"></Watermark>
+    return <Watermark fontColor="#fa2c19" content="nut-ui"></Watermark>
   })
   await nextTick()