iter(g161): 通知支持同 key 原地更新
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@@ -1,7 +1,8 @@
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import { h } from '@ui-arch/frame';
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import type { NotificationProps } from './types.js';
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import type { NotificationHandle, NotificationProps } from './types.js';
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const hosts = new Map<string, HTMLElement>(); // 每个角落一个堆叠容器,首次用到该角落时懒创建
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const byKey = new Map<string, NotificationHandle>(); // 同 key 只留一张卡,二次调用走原地更新
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const MAX_STACK = 3; // 同一角落最多条数,超出挤掉最早一条
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/*** 确保指定角落的堆叠容器存在:fixed 挂 body 末尾,与 toast 的右上角分区不打架 ***/
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@@ -21,8 +22,11 @@ function dismiss(item: HTMLElement): void {
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window.setTimeout(() => item.isConnected && item.remove(), 320); // reduced-motion 下不触发 transition
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}
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/*** 通知卡片:标题 + 描述 + 可选操作区,返回 { el, close } 句柄;duration 为 0 表示常驻,非 0 时悬停 / 聚焦自动暂停计时 ***/
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export function notification(props: NotificationProps): { el: HTMLElement; close: () => void } {
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/*** 通知卡片:标题 + 描述 + 可选操作区,返回 { el, close, update } 句柄;duration 为 0 表示常驻,非 0 时悬停 / 聚焦自动暂停计时;带 key 时二次调用原地更新同一张卡 ***/
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export function notification(props: NotificationProps): NotificationHandle {
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const dup = props.key ? byKey.get(props.key) : undefined;
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if (dup) { dup.update(props); return dup; } // 同 key:只更新内容,不新增一条
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// —— 状态集中声明 ——
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const duration = props.duration ?? 0; // 缺省常驻:通知通常需要用户读完
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const closable = props.closable ?? true; // 缺省带关闭按钮
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@@ -31,27 +35,43 @@ export function notification(props: NotificationProps): { el: HTMLElement; close
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let startedAt = 0; // 本轮计时起点,用于折算暂停前已流逝的时间
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let paused = false; // 是否因悬停 / 聚焦而暂停
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const closeBtn = h('button', { type: 'button', class: 'ua-notice-close', 'aria-label': '关闭通知' }, '×') as HTMLButtonElement; // 关闭按钮,回调在下方绑定
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const titleEl = h('span', { class: 'ua-notice-title' }, props.title) as HTMLElement;
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const actionEl = props.action ? h('div', { class: 'ua-notice-action' }, props.action) : null;
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let descEl = props.description ? h('div', { class: 'ua-notice-desc' }, props.description) : null;
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/*** 换语义色:整串重设 class,保住已挂上的入场态 ***/
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const paint = (variant: string): void => {
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el.className = `ua-notice ua-notice-${variant}${el.classList.contains('ua-open') ? ' ua-open' : ''}`;
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};
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const el = h(
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'div',
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{ class: `ua-notice ua-notice-${props.variant ?? 'info'}`, role: 'alert' },
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h(
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'div',
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{ class: 'ua-notice-head' },
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h('span', { class: 'ua-notice-dot', 'aria-hidden': 'true' }),
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h('span', { class: 'ua-notice-title' }, props.title),
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closable ? closeBtn : null,
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),
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props.description ? h('div', { class: 'ua-notice-desc' }, props.description) : null,
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props.action ? h('div', { class: 'ua-notice-action' }, props.action) : null,
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h('div', { class: 'ua-notice-head' }, h('span', { class: 'ua-notice-dot', 'aria-hidden': 'true' }), titleEl, closable ? closeBtn : null),
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descEl,
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actionEl,
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) as HTMLElement;
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/*** 关闭:清计时器后走退场动画 ***/
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/*** 关闭:清计时器后走退场动画,顺手释放 key 登记 ***/
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const close = () => {
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window.clearTimeout(timer);
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if (props.key && byKey.get(props.key) === handle) byKey.delete(props.key);
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dismiss(el);
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};
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closeBtn.addEventListener('click', () => close());
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/*** 原地更新:改标题 / 描述 / 语义色;描述按需插入到操作区之前 ***/
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const update = (next: Partial<NotificationProps>): void => {
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if (next.title != null) titleEl.textContent = next.title;
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if (next.variant) paint(next.variant);
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if (next.description != null) {
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if (!descEl) { // 首次补描述:插在操作区之前,没有操作区就追加
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descEl = h('div', { class: 'ua-notice-desc' });
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if (actionEl) el.insertBefore(descEl, actionEl); else el.appendChild(descEl);
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}
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descEl.textContent = next.description;
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}
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};
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/*** 起表:按剩余毫秒设定时器 ***/
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const arm = () => { if (remain <= 0) return; startedAt = Date.now(); timer = window.setTimeout(() => dismiss(el), remain); };
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/*** 暂停计时:扣掉已流逝部分,剩余时间留给续计 ***/
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@@ -66,7 +86,9 @@ export function notification(props: NotificationProps): { el: HTMLElement; close
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const stack = ensureHost(props.placement ?? 'bottom-right'); // 缺省右下,与右上角 toast 错开
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if (stack.childElementCount >= MAX_STACK) stack.firstElementChild?.remove(); // 超出上限挤掉最早一条
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stack.appendChild(el);
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const handle: NotificationHandle = { el, close, update };
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if (props.key) byKey.set(props.key, handle);
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requestAnimationFrame(() => el.classList.add('ua-open')); // 下一帧入场,保证过渡生效
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if (duration > 0) arm(); // 常驻(0)不设定时器
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return { el, close };
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return handle;
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}
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@@ -493,6 +493,14 @@ export interface NotificationProps {
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closable?: boolean; // 是否显示关闭按钮;缺省 true
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action?: unknown; // 操作区内容(如按钮);缺省不渲染
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placement?: 'top-right' | 'bottom-right' | 'top-left' | 'bottom-left'; // 停靠角落;缺省 bottom-right(避开右上角 toast)
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key?: string; // 同 key 复用同一张卡:再次调用会原地改标题/描述/语义色,不再堆新条
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}
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/*** 通知句柄:拿到卡片节点、关闭函数与原地更新入口 ***/
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export interface NotificationHandle {
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el: HTMLElement; // 卡片根节点
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close: () => void; // 关闭(走退场动画);同 key 登记随之释放
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update: (next: Partial<NotificationProps>) => void; // 原地更新标题 / 描述 / 语义色
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}
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/*** 文件选择入参 ***/
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@@ -2290,6 +2290,11 @@
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"t": "'top-right' | 'bottom-right' | 'top-left' | 'bottom-left'",
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"df": "bottom-right",
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"d": "停靠角落;每个角落独立堆叠(同角最多 3 条),右上与 toast 同侧,建议次要信息放左侧"
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},
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{
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"n": "key",
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"t": "string",
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"d": "同 key 复用同一张卡:再次调用只原地改标题 / 描述 / 语义色,不再堆新条(返回的句柄带 update 方法可主动改)"
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}
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],
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"example": "const { close } = notification({ title: '导出完成', description: 'report.csv 已开始下载', variant: 'success', duration: 4000 }); // close() 手动关闭",
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@@ -2299,7 +2304,8 @@
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"返回 { el, close } 句柄:程序化关闭用 close(),需要自己挂交互就用 el",
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"action 放操作区(常见为按钮);variant 决定左侧条与圆点语义色",
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"与 toast 的分工:toast 右上角轻量瞬时,notification 右下角可长读、可操作",
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"停靠角落用 placement 调:四个角各自独立堆叠与节流,顶部角落新通知从屏幕边缘长出、旧的往下让"
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"停靠角落用 placement 调:四个角各自独立堆叠与节流,顶部角落新通知从屏幕边缘长出、旧的往下让",
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"进度类通知传 key: 'sync-job':第一次返回句柄,后续 job.update({ title, description, variant }) 就地把同一条卡改成 60% / 完成,不会像以前那样堆出三条;job.close() 收掉时同时释放 key 登记"
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]
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},
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{
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