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refactor: 重构collapse为details实现 #362
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Walkthrough本次变更将折叠面板组件从基于 Changes
Sequence Diagram(s)sequenceDiagram
participant User
participant Collapse
participant Panel (details)
participant PanelContent
User->>Collapse: 点击某面板
Collapse->>Collapse: startTransition(setActiveKey)
Collapse->>Panel: 传递 isActive, open
Panel->>Panel: 渲染 <details open={isActive}>
Panel->>PanelContent: 传递 isActive, forceRender
PanelContent->>PanelContent: 判断 isActive || forceRender
PanelContent-->>Panel: 渲染内容(动画或直接显示)
Poem
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/Collapse.tsxOops! Something went wrong! :( ESLint: 8.57.1 ESLint couldn't find the config "prettier" to extend from. Please check that the name of the config is correct. The config "prettier" was referenced from the config file in "/.eslintrc.js". If you still have problems, please stop by https://eslint.org/chat/help to chat with the team. src/Panel.tsxOops! Something went wrong! :( ESLint: 8.57.1 ESLint couldn't find the config "prettier" to extend from. Please check that the name of the config is correct. The config "prettier" was referenced from the config file in "/.eslintrc.js". If you still have problems, please stop by https://eslint.org/chat/help to chat with the team. src/PanelContent.tsxOops! Something went wrong! :( ESLint: 8.57.1 ESLint couldn't find the config "prettier" to extend from. Please check that the name of the config is correct. The config "prettier" was referenced from the config file in "/.eslintrc.js". If you still have problems, please stop by https://eslint.org/chat/help to chat with the team.
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Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## master #362 +/- ##
==========================================
+ Coverage 99.12% 99.13% +0.01%
==========================================
Files 5 5
Lines 114 116 +2
Branches 43 43
==========================================
+ Hits 113 115 +2
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fixed 少个包 |
收起动画丢了。 |
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Actionable comments posted: 1
🧹 Nitpick comments (1)
src/Panel.tsx (1)
45-48
: 考虑重新评估 ARIA 角色的必要性使用
details
和summary
元素后,这些元素已经具有原生的语义和辅助功能。可以考虑是否仍然需要设置role="tab"
、role="button"
和其他 ARIA 属性,因为这些可能与元素的原生语义冲突。HTML5 的
details
和summary
元素原生支持可访问性,无需额外的 ARIA 角色。Is it necessary to add ARIA roles to details and summary elements?
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src/Panel.tsx
(5 hunks)
🧰 Additional context used
🧬 Code Definitions (1)
src/Panel.tsx (2)
src/interface.ts (1) (1)
CollapsePanelProps
(45-67)src/index.tsx (1) (1)
CollapsePanelProps
(3-3)
🔇 Additional comments (3)
src/Panel.tsx (3)
8-8
: 使用更符合语义的 HTML 元素将
forwardRef
类型从HTMLDivElement
更改为HTMLDetailsElement
是一个很好的改进,这符合 HTML 语义化的最佳实践,details
元素本身就是为折叠内容设计的。
83-83
: 类型定义更新合理将
headerProps
的类型从HTMLDivElement
更改为更通用的HTMLElement
是合理的,因为现在头部使用的是summary
元素。
36-39
:❓ Verification inconclusive
请确认事件传播行为是否符合预期
添加
e.stopPropagation()
阻止了事件冒泡,这在某些情况下是必要的,但请确认这不会破坏依赖事件冒泡的父组件功能。
🏁 Script executed:
#!/bin/bash # 查找可能依赖事件冒泡的代码 rg -A 5 "onItemClick" --type ts --type tsxLength of output: 70
事件冒泡行为验证建议
文件:src/Panel.tsx (行 36-39)
代码示例:onClick: (e: React.MouseEvent) => { onItemClick?.(panelKey); e.stopPropagation(); },说明:
- 此处调用
e.stopPropagation()
用于阻止事件冒泡,请确认这一行为不会对依赖事件冒泡机制的父组件造成影响。- 建议检查项目中其他对
onItemClick
的引用,以确保没有依赖事件继续冒泡的逻辑。请运行上面的脚本,并手动确认是否有其他地方依赖事件冒泡逻辑,以便确保代码行为符合预期。
🏁 Script executed:
#!/bin/bash # 重新搜索所有文件中 onItemClick 的使用情况,不限制文件类型 rg -A 5 "onItemClick" || echo "未发现 onItemClick 使用记录"Length of output: 8169
请确认是否有依赖事件冒泡的父组件逻辑
通过搜索代码可知,代码在
src/Panel.tsx
第 36-39 行设置了如下点击处理逻辑:onClick: (e: React.MouseEvent) => { onItemClick?.(panelKey); e.stopPropagation(); },
- 脚本搜索显示,
onItemClick
在多个文件(如src/interface.ts
,src/hooks/useItems.tsx
和src/Panel.tsx
)中作为回调使用。测试用例也验证了在点击时onItemClick
正确触发,并且在禁用或特定场景下,行为符合预期。- 从现有代码和测试来看,没有明显依赖点击事件冒泡的父组件逻辑。但由于
e.stopPropagation()
的作用会完全阻断事件冒泡,请您确认在业务场景下父组件或其他外部逻辑是否需要捕获同一事件进行额外处理。请根据具体业务逻辑,确认后续是否需要调整,以免破坏依赖事件冒泡的父组件的功能。
我在想有没有必要开个discussion讨论下这个问题 因此改造后的渲染流程如下 open = true时,content展现,然后高度过渡 所以我觉得需要讨论下这部分的实现,我先说下我的想法
个人上是更倾向方式1,这样的话,在高版本浏览器中,组件将变得足够简单,性能也将更上一层楼,仅做状态同步即可 |
1 可以的,我也倾向渐进式。 |
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Actionable comments posted: 1
♻️ Duplicate comments (1)
src/Panel.tsx (1)
164-177
: 更新了组件的HTML结构将原来的
div
结构改为使用语义化的details
和summary
元素:
- 使用
details
作为根容器,通过open
属性控制展开状态- 使用
summary
作为标题容器- 根据条件渲染内容部分
这种修改充分利用了HTML的语义化结构,不仅提高了可访问性,还能利用浏览器原生行为。同时通过
open={isActive}
保持了对组件状态的受控特性。可能会影响动画效果,需要确认:
- 动画效果是否已恢复
details
元素的原生展开/折叠行为是否与CSSMotion
兼容
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(1 hunks)src/Collapse.tsx
(1 hunks)src/Panel.tsx
(5 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
- src/Collapse.tsx
🧰 Additional context used
🧬 Code Graph Analysis (1)
src/Panel.tsx (1)
src/interface.ts (1)
CollapsePanelProps
(45-67)
🔇 Additional comments (6)
src/Panel.tsx (6)
8-8
: 更新了组件的根元素类型将组件的根元素从
div
改为details
,同时更新了转发引用类型从HTMLDivElement
变为HTMLDetailsElement
。这种修改更符合HTML语义化标准,利用了浏览器原生的可折叠组件功能。
35-42
: 添加了浏览器特性检测使用
CSS.supports
API检测浏览器是否支持::details-content
伪元素选择器,这决定了是使用CSS原生动画还是回退到CSSMotion
。这是实现渐进增强策略的关键部分,能够在支持现代CSS特性的浏览器中提供更好的性能,同时保持向后兼容性。
哪些浏览器支持details::details-content伪元素选择器?
44-48
: 更新了事件处理逻辑修改了点击事件处理函数的参数类型,并添加了
e.stopPropagation()
防止事件冒泡。添加
stopPropagation()
是必要的,可以防止事件冒泡导致details
元素的原生点击事件与自定义处理逻辑冲突。
80-81
: 条件性应用动画类名仅在浏览器支持
::details-content
选择器时才将motionName
应用到details元素上。这与渐进增强的方法一致,确保动画效果只在支持的浏览器中应用。
94-94
: 泛化了header属性的类型定义将
headerProps
的类型从HTMLDivElement
更改为更通用的HTMLElement
。这是一个合理的修改,因为现在header是
summary
元素而不是div
。
102-162
: 重构内容渲染逻辑引入了
createPanelContent
函数和基于浏览器特性的条件渲染逻辑:
- 抽象出内容创建逻辑到单独的函数
- 根据浏览器支持情况决定使用
CSSMotion
还是原生CSS控制内容显示- 模拟CSSMotion的生命周期管理逻辑
这种设计能够在现代浏览器中利用原生功能实现更好的性能,同时为不支持的浏览器提供良好的回退方案。代码结构清晰,条件逻辑易于理解。
list-style-position: outside; | ||
interpolate-size: allow-keywords; | ||
overflow: hidden; | ||
|
||
&::details-content { | ||
block-size: 0; | ||
transition: block-size 0.6s, content-visibility 0.6s; | ||
transition-behavior: allow-discrete; | ||
} | ||
|
||
&[open]::details-content { | ||
block-size: auto; | ||
} |
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🛠️ Refactor suggestion
使用现代CSS特性实现动画过渡
代码引入了一些新的CSS特性来实现基于<details>
元素的动画效果:
interpolate-size: allow-keywords;
允许在尺寸关键词(如auto
)和具体值之间进行插值动画::details-content
伪元素选择器用于直接控制details内容区域的样式和动画- 使用
transition-behavior: allow-discrete;
支持离散过渡效果
这些CSS特性是比较新的,需要注意浏览器兼容性问题。与Panel.tsx
中的特性检测(CSS.supports('selector(details::details-content)')
)相配合,可以实现渐进增强的用户体验。
建议添加一些注释说明这些属性的浏览器兼容性要求,或考虑为不支持这些特性的浏览器提供兼容性样式。
🤖 Prompt for AI Agents (early access)
In assets/index.less around lines 38 to 50, the CSS uses modern features like
interpolate-size, ::details-content, and transition-behavior which have limited
browser support. Add comments explaining the browser compatibility requirements
for these properties and consider adding fallback styles or alternative
approaches for browsers that do not support these features to ensure graceful
degradation.
或许可以移除CSSMotion,根据是否支持 |
有冲突 |
@IVLIU is attempting to deploy a commit to the React Component Team on Vercel. A member of the Team first needs to authorize it. |
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Actionable comments posted: 1
♻️ Duplicate comments (1)
src/Panel.tsx (1)
164-177
: 将根元素从 div 更改为 details使用语义化的
<details>
和<summary>
元素替代了原来的 div 结构,这是一个很好的改进,符合 HTML 语义化原则,并且可以利用浏览器原生行为。正确地将
isActive
状态映射到details
的open
属性,确保了组件状态与 DOM 状态的一致性。
🧹 Nitpick comments (1)
src/Panel.tsx (1)
102-127
: 提取 PanelContent 创建逻辑到独立函数将面板内容创建逻辑提取到
createPanelContent
函数中是一个很好的重构,它提高了代码的可读性并减少了重复代码。参数选项的类型定义也很清晰。不过,由于这个函数是在每次渲染时重新创建的,可以考虑使用
useCallback
来优化性能,尤其是对于复杂组件可能频繁重渲染的情况。可以考虑使用
useCallback
缓存createPanelContent
函数,避免在每次渲染时重新创建:- const createPanelContent = ( + const createPanelContent = useCallback(( options: Partial<{ motionClassName: string; style: React.CSSProperties; motionRef: (node: HTMLDivElement) => void; }>, - ) => { + ) => { const { motionClassName, style, motionRef } = options; return ( <PanelContent ref={motionRef} prefixCls={prefixCls} className={motionClassName} classNames={customizeClassNames} style={style} styles={styles} isActive={isActive} forceRender={forceRender} role={accordion ? 'tabpanel' : void 0} > {children} </PanelContent> ); - }; + }, [prefixCls, customizeClassNames, styles, isActive, forceRender, accordion, children]);
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🔇 Additional comments (7)
src/Panel.tsx (7)
4-4
: 添加了 useMemo 导入以支持特性检测引入了
useMemo
用于缓存浏览器特性检测结果,这是一个很好的优化,避免了不必要的重复计算。
8-8
: 将引用类型从 HTMLDivElement 更新为 HTMLDetailsElement将组件的引用类型从
HTMLDivElement
更改为HTMLDetailsElement
是必须的,与后续将根元素改为<details>
保持一致。
45-48
: 更新了事件处理并阻止事件冒泡将
onClick
事件类型更新为React.MouseEvent
并添加了e.stopPropagation()
。阻止事件冒泡是必要的,因为<details>
元素的默认行为可能与组件定义的行为冲突。这样可以确保点击事件被组件控制,而不是由浏览器的默认行为处理。
80-82
: 将动画类条件应用于 details 元素巧妙地将
motionName
有条件地应用于details
元素,确保在支持::details-content
的浏览器上正确应用动画效果。代码注释清晰地解释了为什么需要将动画类设置在 details 元素上,有助于维护者理解实现细节。
94-94
: 将 header 属性类型从 HTMLDivElement 泛化为 HTMLElement将
headerProps
的类型从特定的HTMLDivElement
改为更通用的HTMLElement
,符合语义化 HTML 的变更。这允许属性正确应用于<summary>
元素。
128-144
: 使用 CSSMotion 处理不支持原生动画的浏览器为不支持
::details-content
伪元素的浏览器保留了CSSMotion
实现,确保了向后兼容性。配置与原先实现一致,并且正确地使用了先前定义的createPanelContent
函数。
146-161
: 手动模拟内容生命周期管理为支持
::details-content
的浏览器实现了手动内容生命周期管理,这是一个聪明的方案,可以充分利用浏览器原生功能而不依赖CSSMotion
。代码逻辑清晰,覆盖了各种情况(激活、隐藏但不销毁、强制渲染、销毁),与
CSSMotion
的行为一致。
// ? 用于判断浏览器是否支持::details-content 否则使用CSSMotion | ||
const supportsDetailsContentSelector = useMemo( | ||
() => | ||
typeof document !== 'undefined' && typeof document.createElement === 'function' | ||
? CSS.supports('selector(details::details-content)') | ||
: false, | ||
[], | ||
); |
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💡 Verification agent
🧩 Analysis chain
浏览器特性检测实现
使用 CSS.supports
检测浏览器对 ::details-content
伪元素的支持是一个优雅的渐进增强方案。代码还考虑了 SSR 场景,通过检查 document
是否存在来防止服务端执行错误。
不过,可能需要考虑在组件初始挂载后处理 SSR 水合差异(hydration mismatch)的问题。
需要验证此实现在 SSR 环境中是否会导致客户端与服务端渲染结果不一致。在服务端 supportsDetailsContentSelector
将始终为 false
,而在客户端可能为 true
,这可能导致水合错误。
🏁 Script executed:
#!/bin/bash
# 检查项目是否使用了支持 SSR 的框架和相关配置
grep -r "SSR\|server-side rendering\|hydration" --include="*.md" --include="*.js" --include="*.ts" --include="*.tsx" .
# 检查是否有处理 hydration mismatch 的代码
grep -r "suppressHydrationWarning\|useEffect.*hydration\|supportsDetailsContentSelector" --include="*.tsx" --include="*.ts" .
Length of output: 106462
注意 SSR 与水合不一致
目前 supportsDetailsContentSelector
在服务端渲染时恒为 false
,而客户端可能为 true
,会导致首屏渲染结果差异,引发 React 的水合(hydration)警告。
建议:
- 将特性检测逻辑从初始渲染中移入
useEffect
(或useLayoutEffect
),并通过useState
保存检测结果; - 保持初始渲染(SSR 与客户端首屏)一致——初始值都设为
false
,待客户端挂载后再更新为实际支持情况; - 如确实无法同步,可在对应元素上添加
suppressHydrationWarning
,静默水合差异。
请根据项目的 SSR 配置和业务需求,调整组件实现,确保服务端与客户端渲染的一致性。
🤖 Prompt for AI Agents
In src/Panel.tsx around lines 35 to 42, the supportsDetailsContentSelector value
is determined during render, causing a mismatch between server-side rendering
(always false) and client-side detection (possibly true), which leads to React
hydration warnings. To fix this, initialize supportsDetailsContentSelector state
to false, then move the CSS.supports detection into a useEffect hook that
updates this state after the component mounts on the client. This ensures
consistent initial rendering on both server and client, preventing hydration
issues. Optionally, add suppressHydrationWarning to the affected elements if
minor mismatches remain unavoidable.
fixed |
关联antd ant-design/ant-design#48974
Summary by CodeRabbit
<details>
和<summary>
结构,提升可访问性与语义化。