ant-design/ant-design

[Tree] Outer connected line flash when toggling inner node's switch button

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#28,041 建立於 2020年11月27日

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Inactivehelp wanted

描述

  • I have searched the issues of this repository and believe that this is not a duplicate.

Reproduction link

https://ant.design/components/tree-cn/#components-tree-demo-line

Steps to reproduce

Toggle the parent 1-0 node's switch button

What is expected?

The outer connected line pointed in the GIF won't flash

What is actually happening?

The outer connected line flash Kapture 2020-11-27 at 16 28 41

Environment Info
antd 4.8.6
React react 16.14.0
System macOS Catalina 10.15.4
Browser Chrome 86.0.4240.111

貢獻者指南

技術棧
typescriptreactcss
領域
frontend
議題類型
bug
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
2
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
1-3 hours
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
stale
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
clear
前置要求
React basicsTree component usageCSS transitions
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
75
研究方向
Investigate the CSS transitions or animation related to the Tree component's connecting lines. Focus on the files in `components/tree/` directory, especially the styles (e.g., `style/index.less`). Check if there is a CSS property causing the flash on toggling, and add a fix to prevent the flash. The issue can be reproduced on the official demo page linked.