fix: resolve vnode

Author: nooooooom

src/composables/use-props.ts

@@ -19,7 +19,7 @@ export function useProps<T>(currentInstance = getCurrentInstance()): T {
 
   const updateProps = computed(() => {
     const attrs = {} as Record<string, any>
-    const $attrs = currentInstance!.proxy?.$attrs
+    const $attrs = isVue2 ? currentInstance?.$attrs : currentInstance?.proxy.$attrs
     if ($attrs) {
       for (const attr in $attrs) {
         // make a backup copy of attrs in props format
@@ -29,12 +29,12 @@ export function useProps<T>(currentInstance = getCurrentInstance()): T {
 
     return {
       ...attrs,
-      ...(isVue2 ? (currentInstance!.proxy as any)?._props : currentInstance?.props)
+      ...(isVue2 ? currentInstance?._props : currentInstance?.props)
     }
   })
 
   if (isVue2) {
-    const set = (currentInstance?.proxy as any).$set
+    const set = (currentInstance as any).$set
     watchEffect(
       () => {
         const updatePropsValue = updateProps.value

src/vnode/index.ts

@@ -1,13 +1,14 @@
 import type { VNode } from 'vue-module-demi'
 import { isVue2 } from '../version'
 import type { ComponentInternalInstance } from '../types'
+import { getCurrentInstance } from '../composables/utils'
 
 export * from './children'
 export * from './props'
 export * from './types'
 
 export function resolveVNode<T extends VNode = VNode>(
-  instance: ComponentInternalInstance | null
+  instance: ComponentInternalInstance | null = getCurrentInstance()
 ): T | null | undefined {
-  return isVue2 ? (instance?.proxy as any)?.$vnode : instance?.vnode
+  return isVue2 ? (instance as any)?.$vnode : instance?.vnode
 }