iter: d03 新增折叠面板 accordion 组件
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@@ -0,0 +1,55 @@
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import { h, signal } from '@ui-arch/frame';
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import type { AccordionItem, AccordionProps } from './types.js';
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/*** 折叠面板:标题按钮 + grid 行高过渡;单开(手风琴)或多开,展开态由 active 信号驱动或内部持有 ***/
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export function accordion(props: AccordionProps): HTMLElement {
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// —— 状态集中声明 ——
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const internal = signal<string[]>([]); // 内部展开集合(未传 active 时使用)
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const opened = (v: string): boolean => (props.active ? props.active() === v : internal().includes(v));
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const toggle = (item: AccordionItem): void => {
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if (props.active) {
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const next = props.active() === item.value ? '' : item.value; // 单开:再点收起
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props.active(next);
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props.onChange?.(next);
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return;
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}
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const cur = internal();
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const next = cur.includes(item.value)
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? cur.filter((v) => v !== item.value)
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: props.multiple
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? [...cur, item.value]
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: [item.value];
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internal(next);
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props.onChange?.(next[0] ?? '');
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};
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// —— 面板:标题为原生 button(键盘可达),内容包一层 overflow 容器供过渡裁剪 ——
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const rows = props.items.map((item, i) =>
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h(
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'div',
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{ class: () => `ua-acc-item${opened(item.value) ? ' ua-open' : ''}` },
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h(
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'button',
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{
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type: 'button',
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class: 'ua-acc-head',
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id: `ua-acc-h-${i}`,
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'aria-expanded': () => String(opened(item.value)),
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'aria-controls': `ua-acc-b-${i}`,
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disabled: item.disabled ?? false, // 布尔透传即得禁用态
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onClick: () => toggle(item),
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},
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h('span', { class: 'ua-acc-title' }, item.title),
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h('span', { class: 'ua-acc-caret' }, '▸'),
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),
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h(
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'div',
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{ class: 'ua-acc-body', id: `ua-acc-b-${i}`, role: 'region', 'aria-labelledby': `ua-acc-h-${i}` },
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h('div', { class: 'ua-acc-inner' }, item.content),
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),
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),
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);
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return h('div', { class: 'ua-accordion' }, ...rows);
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}
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@@ -7,6 +7,7 @@ export { switchButton } from './switch.js';
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export { select } from './select.js';
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export { menu } from './menu.js';
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export { radioGroup } from './radioGroup.js';
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export { accordion } from './accordion.js';
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export { card } from './card.js';
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export { badge } from './badge.js';
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export { alert } from './alert.js';
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@@ -97,6 +97,22 @@ export interface MenuProps {
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onSelect?: (value: string) => void; // 选中回调(禁用项不触发)
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}
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/*** 折叠面板条目 ***/
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export interface AccordionItem {
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value: string; // 面板标识(回调与展开集合用)
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title: string; // 标题文案(同时作为触发器)
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content: unknown; // 面板内容:字符串 / DOM 节点 / 响应式函数
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disabled?: boolean; // 禁用该面板:标题置灰且不可展开
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}
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/*** 折叠面板入参 ***/
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export interface AccordionProps {
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items: AccordionItem[]; // 面板列表
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active?: Signal<string>; // 展开面板信号(单开模式);缺省由组件内部持有状态
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multiple?: boolean; // 是否允许多个面板同时展开;缺省 false(手风琴)
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onChange?: (active: string) => void; // 展开变化回调:收起时传空串
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}
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/*** 多行输入入参 ***/
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export interface TextareaProps {
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placeholder?: string; // 占位文案
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