fix(mp): 修复 v-for 遍历复杂表达式时 stop 修饰符无效的问题

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

@@ -346,6 +346,20 @@ describe('mp:compiler-extra', () => {
       '<view><view class="item" v-for="i in \'abc\'" :key="i" @click="func(i)"></view></view>',
       '<view><block wx:for="abc" wx:for-item="i" wx:for-index="__i0__" wx:key="*this"><view data-event-opts="{{[[\'tap\',[[\'func\',[\'$0\'],[[[\'#s#abc\',\'\',__i0__]]]]]]]}}" class="item" bindtap="__e"></view></block></view>'
     )
+    assertCodegen(
+      '<view v-for="(item,index) in list" :key="index" @click.stop="func">{{item}}</view>',
+      '<block wx:for="{{list}}" wx:for-item="item" wx:for-index="index" wx:key="index"><view data-event-opts="{{[[\'tap\',[[\'func\',[\'$event\']]]]]}}" catchtap="__e">{{item}}</view></block>'
+    )
+    assertCodegen(
+      '<view v-for="(item,index) in [1,2,3]" :key="index" @click.stop="func">{{item}}</view>',
+      '<block wx:for="{{[1,2,3]}}" wx:for-item="item" wx:for-index="index" wx:key="index"><view data-event-opts="{{[[\'tap\',[[\'e0\',[\'$event\']]]]]}}" catchtap="__e">{{item}}</view></block>',
+      'with(this){if(!_isMounted){e0=function($event){$event.stopPropagation();return func($event)}}}'
+    )
+    assertCodegen(
+      '<view v-for="(item,index) in array()" :key="index" @click.stop="func">{{item}}</view>',
+      '<block wx:for="{{$root.l0}}" wx:for-item="item" wx:for-index="index" wx:key="index"><view data-event-opts="{{[[\'tap\',[[\'e0\',[\'$event\']]]]]}}" catchtap="__e">{{item}}</view></block>',
+      'with(this){var l0=array();if(!_isMounted){e0=function($event){$event.stopPropagation();return func($event)}}$mp.data=Object.assign({},{$root:{l0:l0}})}'
+    )
     assertCodegen(
       '<view><view class="item" v-for="i in 5" :key="i" @click="func(i)"></view></view>',
       '<view><block wx:for="{{5}}" wx:for-item="i" wx:for-index="__i0__" wx:key="*this"><view data-event-opts="{{[[\'tap\',[[\'func\',[\'$0\'],[[[5,\'\',__i0__]]]]]]]}}" class="item" bindtap="__e"></view></block></view>'

packages/uni-template-compiler/lib/script/traverse/data/event.js

@@ -320,17 +320,19 @@ function parseEvent (keyPath, valuePath, state, isComponent, isNativeOn = false,
           }
         }
 
+        const testCatch = function (path) {
+          // TODO 仅使用 name 容易误判
+          if (path.node.object.name === '$event' && path.node.property.name ===
+            'stopPropagation') {
+            isCatch = true
+            path.stop()
+          }
+        }
         // 如果 v-for 遍历的值为 数组、对象、方法 则进入底部匿名表达式处理
         if (anonymous && isSafeScoped(state)) {
           funcPath.traverse({
             noScope: true,
-            MemberExpression (path) {
-              if (path.node.object.name === '$event' && path.node.property.name ===
-                'stopPropagation') {
-                isCatch = true
-                path.stop()
-              }
-            },
+            MemberExpression: testCatch,
             AssignmentExpression (path) { // "update:title": function($event) {title = $event}
               const left = path.node.left
               const right = path.node.right
@@ -368,6 +370,7 @@ function parseEvent (keyPath, valuePath, state, isComponent, isNativeOn = false,
         if (anonymous) {
           // 处理复杂表达式中使用的局部变量（主要在v-for中定义）
           funcPath.traverse({
+            MemberExpression: testCatch,
             Identifier (path) {
               const scope = path.scope
               const node = path.node