Files
UI/packages/skin/ui/src/progress.ts
T
2026-10-23 17:02:24 +08:00

42 lines
1.5 KiB
TypeScript

import { effect, h } from '@ui-arch/frame';
import type { ProgressProps } from './types.js';
/*** 进度条:value 信号驱动 0-100 定量态,缺省 value 则退化为不确定态(无限往复);满格切 success 色并停条纹 ***/
export function progress(props: ProgressProps = {}): HTMLElement {
// —— 状态集中声明 ——
const value = props.value; // 可选:不传即不确定态
const fill = h('div', { class: 'ua-progress-fill' });
const track = h('div', { class: 'ua-progress-track' }, fill);
const text = h('span', { class: 'ua-progress-text' });
const withText = props.showText !== false && !!value; // 不确定态没有百分比可显示
if (!value) {
fill.classList.add('ua-indeterminate'); // 宽度与往复动画交给 CSS
return h('div', { class: 'ua-progress', role: 'progressbar', 'aria-label': '进行中' }, track);
}
effect(() => {
const v = clamp(value()); // 依赖收集:信号变化自动写回
fill.style.width = `${v}%`;
fill.classList.toggle('ua-done', v >= 100); // 满格切语义色
text.textContent = `${Math.round(v)}%`;
});
return h(
'div',
{
class: 'ua-progress',
role: 'progressbar',
'aria-valuemin': '0',
'aria-valuemax': '100',
'aria-valuenow': () => String(Math.round(clamp(value()))),
},
track,
withText ? text : null,
);
}
/*** 进度钳制到 0-100 ***/
function clamp(v: number): number {
if (Number.isNaN(v)) return 0; // 卫语句:非法值归零
return Math.min(100, Math.max(0, v));
}