用于审查或改进前端无障碍、语义结构、键盘支持、焦点管理、ARIA 标签、屏幕阅读器行为、WCAG 2.2 问题、触控无障碍或辅助技术回归；中文触发词包括 无障碍、accessibility、a11y、WCAG、屏幕阅读器。
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bovinphang/frontend-craft22Updated Sep 26, 2026
FreePublished on GitHub
fec-list-virtualization
用于优化或审查大列表、虚拟滚动、windowing、react-window、TanStack Virtual、可变高度行、动态测量、无限滚动、网格虚拟化或滚动性能；中文触发词包括 虚拟列表、大列表优化、滚动性能。
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See how to installFiles included (2)
- SKILL.md1.8 KB
- references/virtualization-patterns.md3.5 KB
SKILL.md (original)
Review the instructions the agent will receive before you install.
列表虚拟化优化
用途
通过窗口化只渲染可视区域，解决大列表 DOM 过多和滚动卡顿。
流程
- 先确认列表规模和瓶颈：500+ 项、滚动掉帧、DOM 节点过多或内存飙升才引入虚拟化。
- 先遵循项目现有框架、依赖和设计系统约束，再按场景选库：React 可考虑
react-window或 TanStack Virtual；Vue/Solid/Svelte、动态测量、网格或跨框架场景优先考虑 TanStack Virtual；遗留react-virtualized只维护不新增。 - 明确 item size、overscan、容器高度、key、滚动容器和 resize 行为。
- 无限滚动时分离数据分页和 DOM 虚拟化；数据获取可联用数据获取 workflow。
- 验证 DOM 节点数、滚动 FPS、键盘/屏幕阅读器体验和 Ctrl+F/SEO 限制。
详细参考
涉及是否需要虚拟化、库选型、固定高度、可变/动态高度、无限滚动、网格虚拟化和性能注意事项时，加载 references/virtualization-patterns.md。
约束
- SEO 关键内容不要只存在于虚拟项中。
- 浏览器原生 Ctrl+F 无法搜索未挂载项目。
- Row 根元素必须透传虚拟库提供的 style/measure ref。
- overscan 过大会浪费内存，过小会白屏。
- 动态高度测量要处理 ResizeObserver 和布局抖动。
预期输出
10000+ 项列表滚动接近 60fps，DOM 节点数稳定在可视区域及缓冲区范围，内存从 O(n) 降至 O(visible)。
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bovinphang/frontend-craft22Updated Sep 26, 2026
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The English summary is being prepared. Showing the original description.
bovinphang/frontend-craft22Updated Sep 26, 2026