iter(g11): 浮层空间不足时自动翻转
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@@ -1,5 +1,6 @@
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import { h, signal } from '@ui-arch/frame';
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import { effect, h, signal } from '@ui-arch/frame';
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import type { TooltipProps } from './types.js';
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import { flip } from './position.js';
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let seq = 0; // 全局自增序号:保证每个气泡 id 唯一,供 aria-describedby 关联
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@@ -7,6 +8,7 @@ let seq = 0; // 全局自增序号:保证每个气泡 id 唯一,供 aria-des
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export function tooltip(props: TooltipProps, trigger: HTMLElement): HTMLElement {
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// —— 状态集中声明 ——
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const open = signal(false); // 气泡显隐
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const place = signal(props.placement ?? 'top'); // 实际生效方位:出场时按视口空间自动翻转
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const id = `ua-tip-${++seq}`; // 气泡唯一 id
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const delay = props.delay ?? 150; // 出场延迟毫秒;<=0 视为立即显示
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let timer: number | null = null; // 出场延迟计时器句柄
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@@ -33,7 +35,7 @@ export function tooltip(props: TooltipProps, trigger: HTMLElement): HTMLElement
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'span',
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{
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id,
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class: () => `ua-tip ua-tip-${props.placement ?? 'top'}${open() ? ' ua-open' : ''}`,
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class: () => `ua-tip ua-tip-${place()}${open() ? ' ua-open' : ''}`,
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role: 'tooltip',
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'aria-hidden': () => String(!open()),
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},
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@@ -45,6 +47,7 @@ export function tooltip(props: TooltipProps, trigger: HTMLElement): HTMLElement
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root.addEventListener('pointerleave', hide); // 鼠标离开
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root.addEventListener('focusin', show); // 键盘聚焦(focusin 会冒泡)
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root.addEventListener('focusout', hide); // 失焦
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effect(() => { if (open()) place(flip(trigger, bubble, props.placement ?? 'top')); }); // 每次出场重算方位:空间不足自动翻转
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root.addEventListener('keydown', (e: KeyboardEvent) => {
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if (e.key === 'Escape') hide(); // Esc 立即收起,不必等延迟
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});
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