iter(g67): tag 支持 checkable 筛选片,选中态与 aria-pressed 同步
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@@ -1,15 +1,28 @@
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import { h } from '@ui-arch/frame';
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import { effect, h, signal } from '@ui-arch/frame';
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import type { TagProps } from './types.js';
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/*** 标签:语义色小胶囊,可选 × 关闭;与 badge 的分工是 tag 可交互(带关闭回调) ***/
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/*** 标签:语义色小胶囊;checkable 时作筛选片(aria-pressed + 信号双向绑定),否则可选 × 关闭 ***/
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export function tag(props: TagProps): HTMLElement {
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const label = h('span', { class: 'ua-tag-label' }, props.label);
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if (!props.closable) {
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return h('span', { class: `ua-tag ua-tag-${props.variant ?? 'default'}` }, label); // 纯展示形态
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const base = `ua-tag ua-tag-${props.variant ?? 'default'}`; // 语义色共用
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if (props.checkable) {
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const on = props.checked ?? signal(false); // 未受控时内部自持,行为与受控一致
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const btn = h('button', { type: 'button', class: `${base} is-checkable`, 'aria-pressed': String(on()) }, label) as HTMLButtonElement;
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btn.addEventListener('click', () => {
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on(!on()); // 用户点击写回信号
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props.onChange?.(on());
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});
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effect(() => {
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const value = on();
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btn.setAttribute('aria-pressed', String(value)); // 读屏与视觉同源
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btn.classList.toggle('is-checked', value);
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});
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return btn;
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}
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if (!props.closable) return h('span', { class: base }, label); // 纯展示形态
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return h(
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'span',
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{ class: `ua-tag is-closable ua-tag-${props.variant ?? 'default'}` },
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{ class: `${base} is-closable` },
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label,
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h('button', { type: 'button', class: 'ua-tag-close', 'aria-label': `移除 ${props.label}`, onClick: () => props.onClose?.() }, '×'),
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);
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@@ -254,6 +254,9 @@ export interface TagProps {
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variant?: 'default' | 'success' | 'warning' | 'danger' | 'info'; // 语义色;缺省 default
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closable?: boolean; // 显示 × 关闭按钮;缺省 false
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onClose?: () => void; // 关闭回调(调用方自行从数据源移除该项)
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checkable?: boolean; // 可选中(当筛选片用);与 closable 互斥,同时传时以 checkable 为准
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checked?: Signal<boolean>; // 选中态信号,双向绑定;不传则组件内部自持
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onChange?: (checked: boolean) => void; // 选中态变化回调(点一下即回调新值)
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}
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/*** 图片入参 ***/
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@@ -801,6 +801,22 @@
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"t": "() => void",
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"k": 1,
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"d": "关闭回调:调用方从数据源移除该项后重新渲染"
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},
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{
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"n": "checkable",
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"t": "boolean",
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"df": "false",
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"d": "可选中:渲染为筛选片(button + aria-pressed);与 closable 互斥,同时传以 checkable 为准"
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},
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{
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"n": "checked",
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"t": "Signal<boolean>",
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"d": "选中态信号,双向绑定(点击写回、外部赋值同步);不传则组件内部自持"
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},
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{
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"n": "onChange",
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"t": "(checked: boolean) => void",
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"d": "选中态变化回调,参数是点击后的新值"
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}
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],
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"example": "tag({ label: '前端', variant: 'info', closable: true, onClose: () => remove('前端') })",
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@@ -809,7 +825,8 @@
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"按语义选 variant:info 中性标记、success 通过、warning 待处理、danger 已失效",
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"closable: true 时必须配 onClose:把数据源里的该项删掉再重渲染(组件无状态,不自行摘除节点)",
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"组合用法:容器里用 renderList 按信号数组渲染 tag 列表,删除即写回信号",
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"标签是内联元素,可直接排进 .row 等容器,自动换行由容器决定"
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"标签是内联元素,可直接排进 .row 等容器,自动换行由容器决定",
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"需要可点的筛选片时传 checkable + checked:点击写回信号,视觉与 aria-pressed 同步,不做整块重渲染(焦点不丢)"
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]
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},
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{
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@@ -708,6 +708,37 @@
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transform: scale(1.15);
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}
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/* —— 可选标签(筛选片)—— */
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.ua-tag.is-checkable {
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font: inherit;
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color: var(--ua-color-text-muted);
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background: transparent;
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cursor: pointer;
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transition: transform 0.15s, border-color 0.15s, background 0.15s, color 0.15s;
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}
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.ua-tag.is-checkable:hover {
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transform: translateY(-1px);
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color: var(--ua-color-text);
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}
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.ua-tag.is-checkable:active {
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transform: scale(0.97);
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}
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.ua-tag.is-checkable:focus-visible {
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outline: 2px solid color-mix(in srgb, var(--ua-color-accent) 45%, transparent);
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outline-offset: 2px;
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}
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.ua-tag.is-checked {
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border-color: color-mix(in srgb, var(--ua-color-accent) 55%, transparent);
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background: color-mix(in srgb, var(--ua-color-accent) 10%, var(--ua-color-bg));
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color: var(--ua-color-text);
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}
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@media (prefers-reduced-motion: reduce) {
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.ua-tag.is-checkable { transition: none; }
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.ua-tag.is-checkable:hover,
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.ua-tag.is-checkable:active { transform: none; }
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}
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/* —— 滑块 —— */
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.ua-slider {
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display: inline-flex;
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