n-tree error when move children outside

[moolex]

TuSimple/naive-ui version (版本)

2.26.3

Vue version (Vue 版本)

3.2.31

Browser and its version (浏览器及其版本)

Chrome(99.0.4844.51)

System and its version (系统及其版本)

MacOS(12.2.1)

Node version (Node 版本)

Reappearance link (重现链接)

https://codesandbox.io/s/quizzical-cartwright-euhcpr?file=/src/App.vue

Reappearance steps (重现步骤)

move children outside will cause n-tree error "Cannot read properties of undefined (reading 'forEach')"

Expected results (期望的结果)

n-tree should works when remove children by change source data

Actual results (实际的结果)

it doesn't works

Remarks (补充说明)

[Talljack]

How to reproduce? Did you click move children to top?

[moolex]

How to reproduce? Did you click move children to top?

Yes, by click move children to top, it will cause errors

[07akioni]

醉了，这个和动画的逻辑也相关