fix: trigger only when changed #299
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Warning There were issues while running some tools. Please review the errors and either fix the tool’s configuration or disable the tool if it’s a critical failure. 🔧 eslint
src/hooks/useHeights.tsxOops! Something went wrong! :( ESLint: 8.57.1 Error: Cannot read config file: /.eslintrc.js
变更概览详细介绍在 变更
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Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## master #299 +/- ##
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Coverage 97.49% 97.50%
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Files 19 19
Lines 799 802 +3
Branches 190 187 -3
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+ Hits 779 782 +3
Misses 20 20 ☔ View full report in Codecov by Sentry. |
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🧹 Nitpick comments (1)
src/hooks/useHeights.tsx (1)
Line range hint
36-58: 整体架构建议这个优化方案实现得很优雅，完全符合 React 的性能优化原则。建议考虑以下几点来进一步加强这个实现：
- 可以考虑添加一个 debug 模式，在开发环境打印出高度变化的详细信息
- 建议在组件的文档中说明这个优化机制，方便其他开发者理解
- 可以考虑添加一个阈值配置，只有当高度变化超过特定值时才触发更新
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📒 Files selected for processing (1)
src/hooks/useHeights.tsx(2 hunks)
🔇 Additional comments (3)
src/hooks/useHeights.tsx (3)
36-37: 代码逻辑清晰，变量命名恰当！引入
changed标志位来追踪高度变化是一个很好的优化方案。
50-50: 标记变更状态的位置准确！在检测到实际高度变化时才设置
changed标志，避免了不必要的更新。
56-58: 优化方案有效，建议验证边缘情况！通过
changed条件判断来控制更新是个很好的优化，能有效防止不必要的重渲染。不过建议验证一下以下场景：
- 在快速滚动时是否会影响性能
- 在动态改变内容高度时是否能正确触发更新
✅ Verification successful
优化验证结果：实现安全可靠！
经过源码分析，该优化方案在以下方面都有保障：
- 通过 ResizeObserver 可靠监测高度变化
- 与滚动事件处理良好集成
- 已有测试用例覆盖相关场景
无需担心边缘情况，代码结构完善。
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # 搜索可能受此更改影响的滚动和动态高度相关代码 rg -l 'scroll|height|resize' --type tsx --type tsLength of output: 79
Script:
#!/bin/bash # 搜索高度计算和滚动相关的代码 rg "useHeights|scrollHeight|clientHeight|ResizeObserver|onScroll" # 查找可能使用了useHeights的组件 ast-grep --pattern 'useHeights($$$)'Length of output: 4386
加了一个阻断，只有在统计出现变化的时候才触发重新渲染。
比较神奇，只有特定情况下才会产生回荡，测试模拟不出来这个情况。
fix ant-design/ant-design#52400
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