265 lines
7.6 KiB
TypeScript
265 lines
7.6 KiB
TypeScript
'use client';
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import * as Collapsible from '@radix-ui/react-collapsible';
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import Link from 'next/link';
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import type { MenuNode } from '@/lib/api/types/menu';
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import { NavTooltip } from '@/components/layout/nav-tooltip';
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/** 布局固定「概览」，与 IAM nav 拼成同一棵树（不入库） */
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export const LAYOUT_OVERVIEW_MENU_ID = '__layout_overview__';
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export function isLayoutOverviewNode(node: MenuNode): boolean {
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return node.id === LAYOUT_OVERVIEW_MENU_ID;
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}
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export const layoutOverviewMenuNode: MenuNode = {
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id: LAYOUT_OVERVIEW_MENU_ID,
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parent_id: '',
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menu_name: '概览',
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menu_type: 2,
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path: '/dashboard',
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icon: '📊',
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};
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/** 将布局「概览」与 IAM nav 合并为侧栏顶层列表，便于组好完整结构再一次性渲染 */
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export function layoutNavRootsFromApi(items: MenuNode[]): MenuNode[] {
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return [layoutOverviewMenuNode, ...items.filter((n) => n.menu_type !== 3)];
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}
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export function normalizeHref(node: MenuNode): string {
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if (node.external_link) {
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return node.external_link;
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}
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const p = node.path?.trim();
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if (!p) {
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return '#';
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}
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if (p.startsWith('http://') || p.startsWith('https://')) {
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return p;
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}
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return p.startsWith('/') ? p : `/${p}`;
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}
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export function isActivePath(pathname: string, href: string): boolean {
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if (!href || href === '#' || href.startsWith('http://') || href.startsWith('https://')) {
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return false;
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}
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if (pathname === href) {
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return true;
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}
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if (href !== '/' && pathname.startsWith(`${href}/`)) {
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return true;
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}
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return false;
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}
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export function linkClass(active: boolean): string {
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return [
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'block rounded-md px-2 py-2 text-sm',
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active
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? 'bg-neutral-200 font-medium text-neutral-900'
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: 'text-neutral-800 hover:bg-neutral-100',
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].join(' ');
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}
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/** 经典树：目录可展开，叶子为链接（用于经典侧栏与图标模式右侧浮层） */
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export function NavTreeItem({
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node,
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depth,
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pathname,
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onInternalNavigate,
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onMenuNavigate,
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/** 图标模式浮层：二级及以下项之间额外增加 2px（space-y-0.5） */
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iconFlyout = false,
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}: {
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node: MenuNode;
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depth: number;
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pathname: string;
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onInternalNavigate?: () => void;
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onMenuNavigate?: (path: string, title: string) => void;
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iconFlyout?: boolean;
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}) {
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if (node.menu_type === 3) {
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return null;
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}
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const children = (node.children ?? []).filter((c) => c.menu_type !== 3);
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const hasChildren = children.length > 0;
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const pad = 10 + depth * 10;
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const label = (
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<span className="flex min-w-0 items-center gap-2">
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{node.icon ? (
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<span className="shrink-0 text-neutral-500" aria-hidden>
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{node.icon}
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</span>
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) : null}
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<span className="truncate">{node.menu_name}</span>
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</span>
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);
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if (hasChildren) {
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return (
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<Collapsible.Root defaultOpen className="min-w-0 select-none">
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<Collapsible.Trigger asChild>
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<button
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type="button"
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className="group flex w-full items-center justify-between rounded-md px-2 py-2 text-left text-sm text-neutral-800 hover:bg-neutral-100"
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style={{ paddingLeft: pad }}
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>
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{label}
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<span
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className="shrink-0 text-neutral-400 transition-transform duration-200 ease-out group-aria-expanded:rotate-0 motion-reduce:transition-none -rotate-90"
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aria-hidden
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>
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▾
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</span>
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</button>
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</Collapsible.Trigger>
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<Collapsible.Content
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className="grid overflow-hidden transition-[grid-template-rows] duration-200 ease-in-out motion-reduce:transition-none data-[state=open]:grid-rows-[1fr] data-[state=closed]:grid-rows-[0fr]"
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>
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<div className="min-h-0">
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<div
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className={`ml-3 border-l border-neutral-200 pl-1${iconFlyout ? ' space-y-0.5' : ''}`}
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>
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{children.map((c) => (
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<NavTreeItem
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key={c.id}
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node={c}
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depth={depth + 1}
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pathname={pathname}
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iconFlyout={iconFlyout}
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onInternalNavigate={onInternalNavigate}
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onMenuNavigate={onMenuNavigate}
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/>
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))}
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</div>
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</div>
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</Collapsible.Content>
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</Collapsible.Root>
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);
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}
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const href = normalizeHref(node);
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const external = Boolean(node.external_link);
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const active = isLayoutOverviewNode(node)
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? (pathname.replace(/\/$/, '') || '/') === '/dashboard'
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: isActivePath(pathname, href);
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if (href === '#') {
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return (
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<div className="rounded-md px-2 py-2 text-sm text-neutral-500" style={{ paddingLeft: pad }}>
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{label}
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</div>
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);
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}
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if (external) {
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return (
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<a
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href={href}
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target="_blank"
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rel="noopener noreferrer"
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className={linkClass(false)}
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style={{ paddingLeft: pad }}
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>
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{label}
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</a>
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);
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}
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return (
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<Link
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href={href}
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className={linkClass(active)}
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style={{ paddingLeft: pad }}
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onClick={() => {
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onMenuNavigate?.(href, node.menu_name);
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onInternalNavigate?.();
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}}
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aria-current={active ? 'page' : undefined}
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>
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{label}
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</Link>
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);
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}
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export function visibleChildren(node: MenuNode): MenuNode[] {
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return (node.children ?? []).filter((c) => c.menu_type !== 3);
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}
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/** 当前路径是否落在该节点子树内（用于图标模式自动展开浮层） */
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export function subtreeContainsActivePath(node: MenuNode, pathname: string): boolean {
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if (isLayoutOverviewNode(node)) {
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const p = pathname.replace(/\/$/, '') || '/';
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return p === '/dashboard';
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}
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const href = normalizeHref(node);
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if (!node.external_link && href !== '#' && isActivePath(pathname, href)) {
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return true;
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}
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for (const c of visibleChildren(node)) {
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if (subtreeContainsActivePath(c, pathname)) {
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return true;
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}
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}
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return false;
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}
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/** 窄轨图标/文字切换：有 icon 显示 icon，否则显示菜单名 */
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export function NavIconOrLabel({ node, className }: { node: MenuNode; className?: string }) {
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if (node.icon) {
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return (
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<span className={className ?? 'block text-base'} aria-hidden>
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{node.icon}
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</span>
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);
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}
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return <span className="line-clamp-2 px-1 text-center text-[11px] font-medium">{node.menu_name}</span>;
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}
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/** 侧栏未认证/加载中/出错三态守卫 */
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export function NavStateGuard({
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authed,
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loading,
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error,
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onMenuNavigate,
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children,
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}: {
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authed: boolean;
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loading: boolean;
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error: string | null;
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onMenuNavigate: (path: string, title: string) => void;
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children?: React.ReactNode;
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}) {
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if (!authed) {
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return <div className="px-2 py-4 text-center text-[11px] text-neutral-500">登录后加载菜单</div>;
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}
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if (loading) {
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return <div className="px-2 py-4 text-center text-[11px] text-neutral-500">菜单加载中…</div>;
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}
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if (error) {
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return (
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<div className="min-h-0 flex-1 overflow-y-auto px-1 py-1">
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<NavTooltip label="概览">
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<Link
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href="/dashboard"
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className="flex h-10 w-full items-center justify-center rounded-md text-neutral-700 hover:bg-neutral-100"
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onClick={() => onMenuNavigate('/dashboard', '概览')}
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>
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<span className="text-base" aria-hidden>
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📊
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</span>
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<span className="sr-only">概览</span>
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</Link>
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</NavTooltip>
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<NavTooltip label={error}>
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<p className="mt-2 cursor-default px-1 text-center text-[11px] text-red-600">菜单失败</p>
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</NavTooltip>
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</div>
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);
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}
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return children;
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}
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