fix(wxs): ownerInstance

src/core/view/plugins/index.js

@@ -48,15 +48,18 @@ export default {
       return $event
     }
 
-    Vue.prototype.$getComponentDescriptor = function (vm) {
-      return createComponentDescriptor(vm || this)
+    Vue.prototype.$getComponentDescriptor = function (vm, owner = false) {
+      return createComponentDescriptor(vm || this, owner)
     }
 
     Vue.prototype.$handleWxsEvent = function ($event) {
       if ($event instanceof Event) { // 未处理的 event 对象 需要对 target 校正及包装
         const currentTarget = $event.currentTarget
-        const instance = currentTarget && currentTarget.__vue__ && currentTarget.__vue__.$getComponentDescriptor()
-        $event = processEvent.call(this, $event.type, $event, {}, findUniTarget($event, this.$el) || $event.target, $event.currentTarget)
+        const instance = currentTarget &&
+          currentTarget.__vue__ &&
+          currentTarget.__vue__.$getComponentDescriptor(null, true)
+        $event = processEvent.call(this, $event.type, $event, {}, findUniTarget($event, this.$el) || $event.target,
+          $event.currentTarget)
         $event.instance = instance
       }
       return $event

src/core/view/plugins/wxs/component-descriptor.js

@@ -146,11 +146,12 @@ class ComponentDescriptor {
   }
 }
 
-export function createComponentDescriptor (vm) {
+export function createComponentDescriptor (vm, owner = false) {
   if (vm && vm.$el) {
-    if (!vm.$el.__wxsComponentDescriptor) {
-      vm.$el.__wxsComponentDescriptor = new ComponentDescriptor(vm)
+    const key = owner ? '__wxsComponentDescriptorOwner' : '__wxsComponentDescriptor'
+    if (!vm.$el[key]) {
+      vm.$el[key] = new ComponentDescriptor(vm)
     }
-    return vm.$el.__wxsComponentDescriptor
+    return vm.$el[key]
   }
 }