react-component / react-component/tree
Tree freezes when used in controlled mode with `motion` and `expandAction="click"`
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- TypeScript
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Description
Hi,
When using rc-tree in controlled mode, with some animations (with the motion prop), and with expandAction="click", then the Tree gets stuck whenever you click on a leaf.
When that happens, you can no longer expand or collapse the nodes.
The only way out is to trigger a re-render of the Tree by some external event, such as a drag-and-drop or clicking a button that changes the tree state.
This can be really troubling for the end user, as they think the app is broken.

Here is a codesandbox that reproduces the issue: https://codesandbox.io/s/lucid-frog-mks62z?file=/App.jsx
It is based on the basic-controlled example, to which I applied the following changes:
- Remove
onCheck,checkedKeys,onSelectandselectedKeysprops - Add
expandAction="click" - Add
motion={motion}with some style (from the animation example)
Steps to reproduce:
- Expand all nodes until you come to a leaf
- Click on the leaf title
- Nodes can no longer be expanded nor collapsed
rc-tree version: 5.7.0
Thanks for your help!
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the App.jsx reproduction in the linked CodeSandbox and compare it with the basic-controlled and animation examples. Trace the controlled expansion path when expandAction="click" and motion are both enabled, especially after clicking a leaf. Done means nodes can still be expanded and collapsed without an external re-render.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- react, typescript
- Domain
- frontend
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 48/100