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useMeasure dimensions out of sync in react18

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评估

难度
4/5
预计耗时
3-5 天
新手友好度
35/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
停滞
技术栈
react, typescript
领域
frontend

调研方向

Start by locating the useMeasure implementation and its ResizeObserver state update, then reproduce the React 18 timing issue using the linked CodeSandbox. Compare the behavior with React's flushSync guidance and define whether synchronization is always applied or exposed as opt-in; done means dimensions are reliable for visual updates and the behavior is covered by appropriate tests.

由索引模型根据 Issue 内容生成。

描述

React version: 18

Due to automatic batching in react18, state updates in useMeasure's ResizeObserver may be applied after paint. This can cause visual glitches if we depend on useMeasure dimensions for visual updates.

Same issue is raised in react: https://github.com/facebook/react/issues/24331

They are recommending that state updates in ResizeObserver should be wrapped in flushSync from ReactDOM.

Can we do this in useMeasure or at least add optional support for flushSync in useMeasure. So that consumers can opt-in if they are using the dimensions for visual update(For eg. in useLayoutEffect).

Link to code example: https://codesandbox.io/s/amazing-montalcini-j6lz46?file=/src/App.js

主要语言
TypeScript
星标
44k
派生
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PR 合并指标
30 天内没有已合并 PR

环境准备

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  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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