iter(g58): 新增 affix 固钉组件
This commit is contained in:
+32
-2
@@ -1,6 +1,6 @@
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{
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"$schema": "ui-arch-registry-index/0.1",
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"generatedAt": "2026-10-26T04:21:58.071Z",
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"generatedAt": "2026-10-26T04:23:09.567Z",
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"repoRoot": ".",
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"packages": [
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{
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@@ -197,7 +197,8 @@
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"colorPicker(props):颜色选择,预设色板(缺省语义令牌色)+ 原生取色器 + 手输 CSS 颜色串,value 为颜色串信号",
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"tour(props):引导漫游,返回 { el, start, close } 句柄;聚光框按 target 选择器定位,卡片自动选方位,Esc / 跳过走 onClose",
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"watermark(props, ...children):内容容器 + 平铺水印覆盖层,canvas 生成单元、颜色取自令牌,覆盖层不挡交互",
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"checkboxGroup(props):多选组,value 为数组信号,min/max 用禁用边界项实现(不抛错),checkAll 支持半选且只统计未禁用项"
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"checkboxGroup(props):多选组,value 为数组信号,min/max 用禁用边界项实现(不抛错),checkAll 支持半选且只统计未禁用项",
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"affix(props, ...children):固钉,滚过 offset 后内容转 fixed 贴顶、外层保留占位高度,固定后宽度随容器自适应"
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],
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"keyTypes": [
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"ButtonProps",
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@@ -2519,6 +2520,35 @@
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"checkAll 行的选中/半选只统计未禁用项,禁用项不计入基数",
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"direction 传 vertical 改为纵向排列;disabled 支持信号,整组响应式禁用"
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]
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},
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{
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"id": "affix",
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"title": "固钉 Affix",
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"demo": "sec-affix",
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"props": [
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{
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"n": "offset",
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"t": "number",
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"d": "距视口顶部多少像素后转为固定;缺省 0"
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},
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{
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"n": "target",
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"t": "HTMLElement | Window",
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"d": "监听的滚动容器;缺省 window(整页)"
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},
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{
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"n": "children",
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"t": "...unknown[]",
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"d": "被固定的内容,作为第二个及之后的实参传入"
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}
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],
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"example": "affix({ offset: 8 }, card({ title: '滚动时我会贴顶' }, h('p', null, '正文')))",
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"steps": [
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"把要贴住的内容作为实参传入;组件内部包两层:外层占位、内层负责 fixed",
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"滚动到 offset 以内(默认贴视口顶)时内层转 fixed,外层同步撑出等高占位,页面不会塌跳",
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"固定期间宽度与横向位置跟随占位容器,窗口缩放或父容器变宽都自动贴合",
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"内滚容器场景把该元素传给 target,判定改为基于它的滚动位置"
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]
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}
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]
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},
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@@ -21,7 +21,7 @@
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- `packages/core/table-core`(@ui-arch/table-core):Headless 表格逻辑内核
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- `packages/core/frame`(@ui-arch/frame):signal + hyperscript 微框架
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- `packages/skin/ui`(@ui-arch/ui):54 个 DOM 组件(表单 / 反馈 / 浮层 / 导航 / 表格),样式只消费令牌
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- `packages/skin/ui`(@ui-arch/ui):55 个 DOM 组件(表单 / 反馈 / 浮层 / 导航 / 表格),样式只消费令牌
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- `packages/design/tokens`(@ui-arch/tokens):设计令牌
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- `packages/tools/cli`(@ui-arch/cli):`ua` 命令行 + MCP 注册表服务(private)
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- `apps/demo`(@ui-arch/demo):交互演示,产物 apps/demo/dist/demo.html
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+1
-1
@@ -34,7 +34,7 @@ ui-arch-mvp/
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│ │ ├── table-core/ # 表格状态内核
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│ │ └── frame/ # 信号 + hyperscript 微框架
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│ ├── skin/ # 皮肤层(DOM 组件,可发布)
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│ │ └── ui/ # 54 个组件 + ui.css
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│ │ └── ui/ # 55 个组件 + ui.css
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│ ├── design/ # 资产层(可发布)
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│ │ └── tokens/ # --ua-* 设计令牌
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│ └── tools/ # 工程层(private,不发布)
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@@ -11,13 +11,13 @@ npm run demo # 打开演示:apps/demo/dist/demo.html
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npm run docs # 生成人类文档站 apps/docs/index.html + Agent 全量文档 llms-full.txt
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```
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## 组件(共 54 个)
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## 组件(共 55 个)
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<!-- ua:components -->
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accordion · alert · autoComplete · avatar · backTop · badge · breadcrumb · button · carousel · card · cascader · checkbox · checkboxGroup · colorPicker · dataTable · datePicker · descriptions · divider · drawer · empty · form · image · inputNumber · list · menu · modal · notification · pagination · popover · progress · radioGroup · rate · result · segmented · select · skeleton · slider · spinner · splitter · statistic · stepper · switchButton · tabs · tag · textField · textarea · timeline · toast · tooltip · tour · transfer · tree · upload · watermark
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accordion · affix · alert · autoComplete · avatar · backTop · badge · breadcrumb · button · carousel · card · cascader · checkbox · checkboxGroup · colorPicker · dataTable · datePicker · descriptions · divider · drawer · empty · form · image · inputNumber · list · menu · modal · notification · pagination · popover · progress · radioGroup · rate · result · segmented · select · skeleton · slider · spinner · splitter · statistic · stepper · switchButton · tabs · tag · textField · textarea · timeline · toast · tooltip · tour · transfer · tree · upload · watermark
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<!-- /ua:components -->
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分组:表单(button / textField / inputNumber / textarea / checkbox / checkboxGroup / colorPicker / switchButton / select / radioGroup / slider / rate / autoComplete / datePicker / segmented / upload / form + formItem / transfer / cascader)、反馈(alert / toast / notification / result / spinner / progress / skeleton / badge / empty / statistic)、浮层(tooltip / popover / modal / drawer / menu)、导航(tabs / breadcrumb / pagination / accordion / stepper / tree)、数据展示(dataTable / descriptions / card / list / timeline / tag / avatar / image / carousel)、其他(divider / splitter / backTop / tour / watermark)。
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分组:表单(button / textField / inputNumber / textarea / checkbox / checkboxGroup / colorPicker / switchButton / select / radioGroup / slider / rate / autoComplete / datePicker / segmented / upload / form + formItem / transfer / cascader)、反馈(alert / toast / notification / result / spinner / progress / skeleton / badge / empty / statistic)、浮层(tooltip / popover / modal / drawer / menu)、导航(tabs / breadcrumb / pagination / accordion / stepper / tree)、数据展示(dataTable / descriptions / card / list / timeline / tag / avatar / image / carousel)、其他(divider / splitter / backTop / affix / tour / watermark)。
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## 可访问性约定
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@@ -31,7 +31,7 @@ accordion · alert · autoComplete · avatar · backTop · badge · breadcrumb
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|---|---|
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| `packages/core/frame` | @ui-arch/frame:signal / computed / effect + hyperscript(无虚拟 DOM) |
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| `packages/core/table-core` | @ui-arch/table-core:headless 表格(filter → sort → paginate 派生管线) |
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| `packages/skin/ui` | @ui-arch/ui:54 个 DOM 组件 + ui.css(只消费 `--ua-*` 令牌) |
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| `packages/skin/ui` | @ui-arch/ui:55 个 DOM 组件 + ui.css(只消费 `--ua-*` 令牌) |
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| `packages/design/tokens` | @ui-arch/tokens:设计令牌(暗色只换值不换名) |
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| `packages/tools/cli` | @ui-arch/cli:`ua` 命令行与 stdio MCP server |
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| `apps/demo` | 交互演示(esbuild 打包成单文件) |
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@@ -9,6 +9,7 @@ const IMG_DEMO = 'data:image/svg+xml;utf8,' + encodeURIComponent(
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);
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import {
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accordion,
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affix,
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alert,
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autoComplete,
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avatar,
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@@ -763,6 +764,19 @@ const content = h(
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h('span', { class: 'ua-colorpicker-swatch', style: () => `background:${colorVal()}` }),
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),
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),
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section(
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'sec-affix',
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'固钉',
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'affix:内容滚过阈值后转 fixed 贴顶,外层保留占位高度不塌陷;固定后宽度随容器自适应。',
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h(
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'div',
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{ class: 'row' },
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h('div', { style: 'flex:1;min-height:320px;display:flex;gap:16px' },
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affix({ offset: 8 }, card({ title: '滚动时我会贴顶' }, h('p', { class: 'desc' }, '向下滚动本页,这块卡片会固定在视口顶部(距顶 8px),左侧占位不会塌。'))),
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h('div', { class: 'desc', style: 'flex:1' }, '右侧是普通内容,用来撑高这一行,方便观察固钉效果。'.repeat(6)),
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),
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),
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),
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section(
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'sec-backtop',
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'返回顶部',
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+25
-1
@@ -1,6 +1,6 @@
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# @ui-arch 组件库 Agent 文档(无图形版)
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> 自动生成于 2026-10-26T04:21:58.071Z,数据源:各包 ua.manifest.json,勿手改。人类版文档站:apps/docs/index.html。
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> 自动生成于 2026-10-26T04:23:09.567Z,数据源:各包 ua.manifest.json,勿手改。人类版文档站:apps/docs/index.html。
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> 组件 = 普通函数,传 props 返回 DOM;状态用 signal 双向绑定:读 signal() 写 signal(v)。
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## 快速上手
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@@ -1442,6 +1442,29 @@ checkboxGroup({ value: permPick, min: 1, max: 3, checkAll: true, options: [{ val
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现场演示:apps/docs/demo.html#sec-checkgroup
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### affix — 固钉 Affix
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参数:
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- offset:number —— 距视口顶部多少像素后转为固定;缺省 0
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- target:HTMLElement | Window —— 监听的滚动容器;缺省 window(整页)
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- children:...unknown[] —— 被固定的内容,作为第二个及之后的实参传入
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示例:
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```
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affix({ offset: 8 }, card({ title: '滚动时我会贴顶' }, h('p', null, '正文')))
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```
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手把手:
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1. 把要贴住的内容作为实参传入;组件内部包两层:外层占位、内层负责 fixed
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2. 滚动到 offset 以内(默认贴视口顶)时内层转 fixed,外层同步撑出等高占位,页面不会塌跳
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3. 固定期间宽度与横向位置跟随占位容器,窗口缩放或父容器变宽都自动贴合
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4. 内滚容器场景把该元素传给 target,判定改为基于它的滚动位置
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现场演示:apps/docs/demo.html#sec-affix
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API 速览:
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- button(props):按钮,variant = primary | ghost | danger,disabled 支持布尔或信号禁用;type 缺省 button(表单内不隐式提交)
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@@ -1500,6 +1523,7 @@ API 速览:
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- tour(props):引导漫游,返回 { el, start, close } 句柄;聚光框按 target 选择器定位,卡片自动选方位,Esc / 跳过走 onClose
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- watermark(props, ...children):内容容器 + 平铺水印覆盖层,canvas 生成单元、颜色取自令牌,覆盖层不挡交互
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- checkboxGroup(props):多选组,value 为数组信号,min/max 用禁用边界项实现(不抛错),checkAll 支持半选且只统计未禁用项
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- affix(props, ...children):固钉,滚过 offset 后内容转 fixed 贴顶、外层保留占位高度,固定后宽度随容器自适应
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一行用法:
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@@ -103,6 +103,7 @@
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- tour(props):引导漫游,返回 { el, start, close } 句柄;聚光框按 target 选择器定位,卡片自动选方位,Esc / 跳过走 onClose
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- watermark(props, ...children):内容容器 + 平铺水印覆盖层,canvas 生成单元、颜色取自令牌,覆盖层不挡交互
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- checkboxGroup(props):多选组,value 为数组信号,min/max 用禁用边界项实现(不抛错),checkAll 支持半选且只统计未禁用项
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- affix(props, ...children):固钉,滚过 offset 后内容转 fixed 贴顶、外层保留占位高度,固定后宽度随容器自适应
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- 用法: `const checked = signal(false); checkbox({ label: '同意', checked }); const open = signal(false); modal({ title: '确认', open }, '内容')`
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- 约定: 皮肤不持有业务状态,一律委托 headless 内核或调用方信号
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- 约定: 表单类组件统一约定:*Props.value/checked/active 为 Signal 双向绑定,onChange/onInput 为回调
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@@ -0,0 +1,43 @@
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import { h } from '@ui-arch/frame';
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import type { AffixProps } from './types.js';
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/*** 固钉:内容滚动越过阈值后转 fixed 贴住视口顶部,外层保留占位高度避免布局跳动 ***/
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export function affix(props: AffixProps, ...children: unknown[]): HTMLElement {
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// —— 状态集中声明 ——
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const offset = props.offset ?? 0; // 触发固定的阈值
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const scroller = props.target ?? window; // 滚动容器
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const inner = h('div', { class: 'ua-affix-inner' }, ...children) as HTMLElement; // 真正会被固定的内容
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const wrap = h('div', { class: 'ua-affix' }, inner) as HTMLElement; // 占位容器,固定时撑住原位
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let fixed = false; // 当前是否已固定,避免每次滚动都重写样式
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/*** 同步固定态:越过阈值即 fixed + 撑占位高度,回到阈值以上就还原 ***/
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const sync = (): void => {
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const box = wrap.getBoundingClientRect(); // 占位容器几何:left / width 决定固定后的横向位置
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const should = box.top <= offset; // 已滚到阈值之上
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if (should === fixed) {
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if (fixed) { // 固定中:宽度与横向位置跟随容器(窗口缩放 / 父容器变宽)
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inner.style.width = `${box.width}px`;
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inner.style.left = `${box.left}px`;
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}
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return; // 卫语句:状态未变不重写其余样式
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}
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fixed = should;
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if (fixed) {
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wrap.style.height = `${inner.offsetHeight}px`; // 先撑住占位,再让 inner 脱离文档流
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inner.classList.add('is-fixed');
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inner.style.top = `${offset}px`;
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inner.style.left = `${box.left}px`;
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inner.style.width = `${box.width}px`;
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} else {
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inner.classList.remove('is-fixed');
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inner.style.top = '';
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inner.style.width = '';
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wrap.style.height = '';
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}
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};
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scroller.addEventListener('scroll', sync, { passive: true }); // 被动监听,不阻塞滚动
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window.addEventListener('resize', sync); // 视口变化会改判定与宽度
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sync(); // 首屏同步一次:刷新时若已滚动到位,直接进入固定态
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return wrap;
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}
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@@ -54,3 +54,4 @@ export { backTop } from './backTop.js';
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export { colorPicker } from './colorPicker.js';
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export { tour } from './tour.js';
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export { watermark } from './watermark.js';
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export { affix } from './affix.js';
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@@ -620,4 +620,10 @@ export interface CheckboxGroupProps {
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onChange?: (values: string[]) => void; // 变更回调(传副本)
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}
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/*** 固钉入参 ***/
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export interface AffixProps {
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offset?: number; // 距视口顶部多少像素后转为固定;缺省 0
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target?: HTMLElement | Window; // 监听的滚动容器;缺省 window
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}
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export type { ColumnDef, RowKey }; // 再导出常用内核类型,方便调用方
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@@ -68,7 +68,8 @@
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"colorPicker(props):颜色选择,预设色板(缺省语义令牌色)+ 原生取色器 + 手输 CSS 颜色串,value 为颜色串信号",
|
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"tour(props):引导漫游,返回 { el, start, close } 句柄;聚光框按 target 选择器定位,卡片自动选方位,Esc / 跳过走 onClose",
|
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"watermark(props, ...children):内容容器 + 平铺水印覆盖层,canvas 生成单元、颜色取自令牌,覆盖层不挡交互",
|
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"checkboxGroup(props):多选组,value 为数组信号,min/max 用禁用边界项实现(不抛错),checkAll 支持半选且只统计未禁用项"
|
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"checkboxGroup(props):多选组,value 为数组信号,min/max 用禁用边界项实现(不抛错),checkAll 支持半选且只统计未禁用项",
|
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"affix(props, ...children):固钉,滚过 offset 后内容转 fixed 贴顶、外层保留占位高度,固定后宽度随容器自适应"
|
||||
],
|
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"keyTypes": [
|
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"ButtonProps",
|
||||
@@ -2390,6 +2391,35 @@
|
||||
"checkAll 行的选中/半选只统计未禁用项,禁用项不计入基数",
|
||||
"direction 传 vertical 改为纵向排列;disabled 支持信号,整组响应式禁用"
|
||||
]
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||||
},
|
||||
{
|
||||
"id": "affix",
|
||||
"title": "固钉 Affix",
|
||||
"demo": "sec-affix",
|
||||
"props": [
|
||||
{
|
||||
"n": "offset",
|
||||
"t": "number",
|
||||
"d": "距视口顶部多少像素后转为固定;缺省 0"
|
||||
},
|
||||
{
|
||||
"n": "target",
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"t": "HTMLElement | Window",
|
||||
"d": "监听的滚动容器;缺省 window(整页)"
|
||||
},
|
||||
{
|
||||
"n": "children",
|
||||
"t": "...unknown[]",
|
||||
"d": "被固定的内容,作为第二个及之后的实参传入"
|
||||
}
|
||||
],
|
||||
"example": "affix({ offset: 8 }, card({ title: '滚动时我会贴顶' }, h('p', null, '正文')))",
|
||||
"steps": [
|
||||
"把要贴住的内容作为实参传入;组件内部包两层:外层占位、内层负责 fixed",
|
||||
"滚动到 offset 以内(默认贴视口顶)时内层转 fixed,外层同步撑出等高占位,页面不会塌跳",
|
||||
"固定期间宽度与横向位置跟随占位容器,窗口缩放或父容器变宽都自动贴合",
|
||||
"内滚容器场景把该元素传给 target,判定改为基于它的滚动位置"
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
|
||||
@@ -3250,3 +3250,10 @@ button.ua-step-dot:hover {
|
||||
align-items: flex-start;
|
||||
gap: var(--ua-space-1);
|
||||
}
|
||||
.ua-affix {
|
||||
position: relative;
|
||||
}
|
||||
.ua-affix-inner.is-fixed {
|
||||
position: fixed;
|
||||
z-index: 50;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user