iter: e02 新增 stepper 步骤条组件(三态流转 + active 信号双向绑定 + clickable 回跳)
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@@ -24,6 +24,7 @@ export { pagination } from './pagination.js';
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export { spinner } from './spinner.js';
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export { progress } from './progress.js';
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export { tabs } from './tabs.js';
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export { stepper } from './stepper.js';
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export { modal } from './modal.js';
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export { drawer } from './drawer.js';
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export { form, formItem } from './form.js';
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@@ -0,0 +1,28 @@
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import { effect, h } from '@ui-arch/frame';
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import type { StepperProps } from './types.js';
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/*** 步骤条:done/current/upcoming 三态横向流程指示,clickable 时已完成步骤可点回跳并写回 active 信号 ***/
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export function stepper(props: StepperProps): HTMLElement {
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const active = props.active;
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const clickStep = (i: number): void => { if (!props.clickable || i >= active()) return; // 卫语句:不可点或未完成不回跳
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active(i); if (props.onChange) props.onChange(i); }; // 写回信号并回调
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const render = (): HTMLElement => {
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const cur = active();
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const items = props.steps.map((s, i) => {
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const state = i < cur ? 'done' : i === cur ? 'current' : 'upcoming'; // 三态:已完成 / 当前 / 未到
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const mark = state === 'done' ? '✓' : String(i + 1); // 完成打勾,其余显示序号
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const clickable = !!props.clickable && i < cur; // 仅已完成步骤可回跳
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const head = clickable
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? h('button', { class: 'ua-step-dot', type: 'button', onClick: () => clickStep(i) }, mark)
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: h('span', { class: 'ua-step-dot' }, mark);
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const body = h('div', { class: 'ua-step-text' }, h('span', { class: 'ua-step-label' }, s.label),
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s.description ? h('span', { class: 'ua-step-desc' }, s.description) : null);
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const li = h('li', { class: `ua-step ua-step-${state}`, 'aria-current': state === 'current' ? 'step' : null }, head, body);
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return li;
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});
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return h('ol', { class: 'ua-stepper' }, ...items);
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};
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let el!: HTMLElement; // 当前渲染产物(effect 首跑赋值)
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effect(() => { const next = render(); if (el) el.replaceWith(next); el = next; }); // active 变化整条重渲染(条目少,开销可忽略)
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return el;
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}
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@@ -175,6 +175,20 @@ export interface InputNumberProps {
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onChange?: (value: number) => void; // 值变化回调(已夹取到合法区间)
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}
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/*** 步骤条条目 ***/
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export interface StepperItem {
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label: string; // 步骤标题
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description?: string; // 步骤补充说明;缺省不渲染
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}
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/*** 步骤条入参 ***/
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export interface StepperProps {
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steps: StepperItem[]; // 步骤列表(按顺序渲染)
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active: Signal<number>; // 当前步索引(0 基),双向绑定(回跳写回、外部赋值同步)
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clickable?: boolean; // 已完成步骤是否可点击回跳;缺省 false
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onChange?: (index: number) => void; // 步骤切换回调(点击回跳触发)
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}
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/*** 徽标入参 ***/
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export interface BadgeProps {
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label: string; // 徽标文案
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