Fix/cascader #1175
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Fix/cascader #1175
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the ref can not get the DOM before rerender is done in the useEffect Tencent#1091
…into fix/Cascader
CodingOnStar
requested review from
honkinglin,
uyarn and
carolin913
as code owners
|
multiple 不展示 placeholder 问题已经在这个 pr 处理了 #1170 |
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🤔 这个 PR 的性质是？
🔗 相关 Issue
相关Issue
💡 需求背景和解决方案
1、Cascader使用input组件实现，当multiple属性为true时，会渲染一个新的span组件，内容为placeholder，此次commit为#229，目的是用于获取input组件的placeholder宽度。但在useEffect执行时，rerender未完成时，useRef获取DOM失败，因此width宽度为0，导致input的placeholder像是被挡住了。因此，等待rerender完成再获得useRef即可。
2.解决办法：1、setTimeout，此方法受性能影响，不够稳定；2、赋值useState
📝 更新日志
等待useEffect的rerender完成时，获取useRef的引用
fix(组件名称): 处理问题或特性描述 ...
本条 PR 不需要纳入 Changelog
☑️ 请求合并前的自查清单