wip: .

Author: linzhe141

packages/runtime-core/src/renderer.ts

@@ -1979,8 +1979,15 @@ function baseCreateRenderer(
  for (i = toBePatched - 1; i >= 0; i--) {
  const nextIndex = s2 + i
  const nextChild = c2[nextIndex] as VNode
- const anchor =
- nextIndex + 1 < l2 ? (c2[nextIndex + 1] as VNode).el : parentAnchor
+ let anchor = parentAnchor
+ if (nextIndex + 1 < l2) {
+ const anchorVnode = c2[nextIndex + 1] as VNode
+ if (anchorVnode.component && !anchorVnode.component.asyncResolved) {
+ anchor = anchorVnode.component.subTree.el
+ } else {
+ anchor = anchorVnode.el
+ }
+ }
  if (newIndexToOldIndexMap[i] === 0) {
  // mount new
  patch(