fix(app): $ownerInstance

packages/uni-app-plus/src/view/framework/dom/renderjs.ts

 import { createApp, ComponentOptions, ComponentPublicInstance } from 'vue'
 import { formatLog, RENDERJS_MODULES } from '@dcloudio/uni-shared'
+import {
+  createComponentDescriptorVm,
+  getComponentDescriptor,
+} from '@dcloudio/uni-core'
 
 import { UniNode } from './elements/UniNode'
 import { UniCustomElement } from './components'
@@ -27,7 +31,7 @@ function initRenderjsModule(node: UniNode, moduleId: string) {
   }
   const el = node.$ as UniCustomElement
   ;(el.__renderjsInstances || (el.__renderjsInstances = {}))[moduleId] =
-    createRenderjsInstance(options)
+    createRenderjsInstance(el, options)
 }
 
 function getRenderjsModule(moduleId: string) {
@@ -41,9 +45,19 @@ function getRenderjsModule(moduleId: string) {
 }
 
 function createRenderjsInstance(
+  el: UniCustomElement,
   options: ComponentOptions
 ): ComponentPublicInstance {
   options = options.default || options
   options.render = () => {}
-  return createApp(options).mount(document.createElement('div'))
+  return createApp(options)
+    .mixin({
+      mounted() {
+        this.$ownerInstance = getComponentDescriptor(
+          createComponentDescriptorVm(el),
+          false
+        )
+      },
+    })
+    .mount(document.createElement('div'))
 }

packages/uni-core/src/view/plugin/componentWxs.ts

@@ -221,11 +221,10 @@ function createComponentDescriptor(
   vm: ComponentDescriptorVm,
   isOwnerInstance = true
 ) {
-  if (isOwnerInstance && vm) {
-    if (__PLATFORM__ === 'h5') {
+  if (__PLATFORM__ === 'h5') {
+    if (isOwnerInstance && vm) {
       vm = resolveOwnerVm((vm as ComponentPublicInstance).$)!
     }
-    // TODO App
   }
   if (vm && vm.$el) {
     if (!vm.$el.__wxsComponentDescriptor) {

packages/uni-h5/dist/uni-h5.es.js

@@ -1199,8 +1199,8 @@ class ComponentDescriptor {
   }
 }
 function createComponentDescriptor(vm, isOwnerInstance = true) {
-  if (isOwnerInstance && vm) {
-    {
+  {
+    if (isOwnerInstance && vm) {
       vm = resolveOwnerVm(vm.$);
     }
   }