fix: 修复小程序端 v-for 中复杂表达式部分条件判断转换错误的问题 question/103466

packages/uni-template-compiler/__tests__/compiler-extra.spec.js

@@ -692,5 +692,10 @@ describe('mp:compiler-extra', () => {
       '<block wx:for="{{$root.l0}}" wx:for-item="item" wx:for-index="index" wx:key="index"><view><block wx:if="{{item.$orig}}"><view>{{item.m0}}</view></block></view></block>',
       'with(this){var l0=__map(list,function(item,index){var $orig=__get_orig(item);var m0=item?getValue(item):null;return{$orig:$orig,m0:m0}});$mp.data=Object.assign({},{$root:{l0:l0}})}'
     )
+    assertCodegen(
+      '<view v-for="(item,index) in list" :key="index"><view v-if="item.length">{{getValue(item)}}</view></view>',
+      '<block wx:for="{{$root.l0}}" wx:for-item="item" wx:for-index="index" wx:key="index"><view><block wx:if="{{item.$orig.length}}"><view>{{item.m0}}</view></block></view></block>',
+      'with(this){var l0=__map(list,function(item,index){var $orig=__get_orig(item);var m0=item.length?getValue(item):null;return{$orig:$orig,m0:m0}});$mp.data=Object.assign({},{$root:{l0:l0}})}'
+    )
   })
 })

packages/uni-template-compiler/lib/script/traverse/member-expr.js

@@ -45,12 +45,12 @@ function findTest (path, state) {
       let test = t.arrayExpression([t.clone(path.container.test)])
       traverse(test, {
         noScope: true,
-        MemberExpression (path) {
+        MemberExpression (path_) {
           const names = state.scoped.map(scoped => scoped.forItem)
-          const node = path.node
+          const node = path_.node
           const objectName = node.object.name
-          if (objectName === VAR_ROOT || names.includes(objectName)) {
-            path.replaceWith(node.property)
+          if (objectName === VAR_ROOT || (names.includes(objectName) && path.scope.hasOwnBinding(node.property.name))) {
+            path_.replaceWith(node.property)
           }
         }
       })