179 lines
7.0 KiB
TypeScript
179 lines
7.0 KiB
TypeScript
import type { Metadata } from "next";
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import { cookies, headers } from "next/headers";
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import { Plus_Jakarta_Sans, Noto_Sans_SC, JetBrains_Mono } from "next/font/google";
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import "./globals.css";
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import SiteBrandProvider from "@/components/SiteBrandProvider";
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import SiteChrome from "@/components/SiteChrome";
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import Toaster from "@/components/Toaster";
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import TipHost from "@/components/TipHost";
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import AccountGuard from "@/components/AccountGuard";
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import ThemeSync from "@/components/ThemeSync";
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import RealtimeProvider from "@/components/RealtimeProvider";
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import VisitBeacon from "@/components/VisitBeacon";
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import PostLinkProvider from "@/components/PostLinkProvider";
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import CodeFoldProvider from "@/components/markdown/CodeFoldProvider";
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import MotionProvider from "@/components/MotionProvider";
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import CommentsPolicyProvider from "@/components/CommentsPolicyProvider";
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import MessagesPolicyProvider from "@/components/MessagesPolicyProvider";
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import type { User } from "@/lib/api";
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import { getMeCached, getPublicSettingsCached } from "@/lib/serverData";
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import { TOKEN_COOKIE, authCookieHeader } from "@/lib/cookies";
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import { accentStyleCSS } from "@/lib/theme";
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import { bgConfigFromSettings, bgStyleCSS } from "@/lib/bg";
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import { siteDocumentTitle } from "@/lib/brand";
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import { motionConfigFromSettings } from "@/lib/motion";
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// 构建期下载并自托管字体：同源加载 + 自动 preload + fallback 度量校正，
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// 消除 F5 时 Google CDN 字体到达后整页"由粗变细"的 FOUT 闪动
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const jakarta = Plus_Jakarta_Sans({
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subsets: ["latin"],
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weight: ["400", "500", "600", "700", "800"],
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variable: "--font-jakarta",
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display: "swap",
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});
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const notoSC = Noto_Sans_SC({
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// 须覆盖站内实际用到的字重：缺档时浏览器会伪粗（synthetic bold），中文在 2K 屏发虚发糊
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weight: ["400", "500", "600", "700", "800", "900"],
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variable: "--font-noto-sc",
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display: "swap",
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});
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const jetbrainsMono = JetBrains_Mono({
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subsets: ["latin"],
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weight: ["400", "500", "700"],
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variable: "--font-jetbrains",
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display: "swap",
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});
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export async function generateMetadata(): Promise<Metadata> {
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const settings = await getPublicSettingsCached();
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const name = settings.site_name || "姜十三论坛";
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const title = siteDocumentTitle(name, settings.site_slogan || "");
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const desc = settings.site_description || "姜十三论坛 - 技术分享与讨论社区";
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const keywords = settings.site_keywords?.length ? settings.site_keywords : undefined;
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return {
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title: {
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default: title,
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template: `%s · ${name}`,
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},
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description: desc,
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keywords,
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...(settings.favicon_url
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? { icons: { icon: settings.favicon_url } }
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: {}),
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openGraph: {
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title,
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description: desc,
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type: "website",
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},
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};
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}
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export default async function RootLayout({
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children,
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}: {
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children: React.ReactNode;
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}) {
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const cookieStore = await cookies();
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const headerStore = await headers();
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// middleware 写入 x-pathname；供 SiteChrome SSR 初值（软导航靠客户端 pathname）
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const pathname = headerStore.get("x-pathname") || "";
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const isAdmin = pathname === "/admin" || pathname.startsWith("/admin/");
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// 浅色优先的设计系统，仅在显式选择暗色时挂 .dark
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const theme = cookieStore.get("j13-theme")?.value === "dark" ? "dark" : "light";
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// SSR 直出登录态（access 过期时 middleware 已先行轮转并注入请求头，见 middleware.ts），
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// 保证 F5 初始 HTML 中的右上角就是正确的用户区，而非先闪"登录/注册"。
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// 无 access cookie 即按游客渲染；客户端 Header 在 CSRF 可读时再静默校正一次。
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// 站点主题色（公开设置）：派生浅/暗两套 accent CSS 变量后随首屏 HTML 内联，
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// 覆盖 globals.css 默认令牌——无主题闪动（FOUC），后端不可用时降级为默认靛蓝
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const settings = await getPublicSettingsCached();
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const accent = settings.accent;
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const accentCSS = accentStyleCSS(accent || "");
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const bgCfg = bgConfigFromSettings(settings);
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const bgCSS = bgStyleCSS(bgCfg);
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const motionCfg = motionConfigFromSettings(settings);
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const motionHtmlClass = [
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!motionCfg.ui_animations ? "j13-reduce-motion" : "",
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motionCfg.ui_animations && !motionCfg.anim_chrome ? "j13-reduce-chrome" : "",
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bgCfg.bg_site_url ? "j13-has-site-bg" : "",
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bgCfg.bg_admin_url ? "j13-has-admin-bg" : "",
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]
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.filter(Boolean)
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.join(" ");
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let user: User | null = null;
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let unread = 0;
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let chatUnread = 0;
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const hasAuthCookie = !!cookieStore.get(TOKEN_COOKIE)?.value;
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if (hasAuthCookie) {
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// 用户信息与未读数合并为一次请求；只转发最小化的 access cookie
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const me = await getMeCached(authCookieHeader(cookieStore) || undefined);
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user = me.user;
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unread = me.unread_count;
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chatUnread = me.chat_unread_count ?? 0;
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}
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return (
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<html
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lang="zh-CN"
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data-j13-chrome={isAdmin ? "admin" : "site"}
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className={`${theme === "dark" ? "dark" : ""} ${motionHtmlClass} ${jakarta.variable} ${notoSC.variable} ${jetbrainsMono.variable}`.trim()}
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>
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<body className="min-h-screen flex flex-col">
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{accentCSS ? (
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// React 托管的 SSR 主题节点；客户端换肤走 j13-accent-runtime，禁止对此外挂 remove
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<style
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id="j13-accent-vars"
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data-accent-source="ssr"
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dangerouslySetInnerHTML={{ __html: accentCSS }}
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/>
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) : null}
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{bgCSS ? (
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<style
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id="j13-bg-vars"
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data-bg-source="ssr"
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dangerouslySetInnerHTML={{ __html: bgCSS }}
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/>
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) : null}
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<a href="#main" className="skip-link">
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跳到主要内容
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</a>
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<SiteBrandProvider initial={settings}>
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<MotionProvider initial={motionCfg}>
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<CommentsPolicyProvider allowComments={settings.allow_comments !== false}>
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<MessagesPolicyProvider allowMessages={settings.allow_messages !== false}>
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<PostLinkProvider openInNewTab={settings.post_link_new_tab !== false}>
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<CodeFoldProvider
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initialEnabled={settings.code_block_auto_fold}
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initialFoldLines={settings.code_block_fold_lines}
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>
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<SiteChrome
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initialIsAdmin={isAdmin}
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user={user}
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unread={unread}
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chatUnread={settings.allow_messages !== false ? chatUnread : 0}
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theme={theme}
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allowRegister={settings.allow_register}
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>
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{children}
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</SiteChrome>
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</CodeFoldProvider>
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</PostLinkProvider>
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</MessagesPolicyProvider>
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</CommentsPolicyProvider>
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</MotionProvider>
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</SiteBrandProvider>
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<Toaster />
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<TipHost />
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<AccountGuard />
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<ThemeSync initialAccent={accent || ""} initialBg={bgCfg} />
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<VisitBeacon />
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<RealtimeProvider userId={user ? user.id : null} />
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</body>
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</html>
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);
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}
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