feat: global 404 and 500 error pages

.gitignore

@@ -45,4 +45,7 @@ next-env.d.ts
 .env*.local
 
 # ide
-.vscode
+.vscode
+
+# Turborepo
+.turbo

apps/docs/.gitignore

@@ -0,0 +1,26 @@
+# deps
+/node_modules
+
+# generated content
+.source
+
+# test & build
+/coverage
+/.next/
+/out/
+/build
+*.tsbuildinfo
+
+# misc
+.DS_Store
+*.pem
+/.pnp
+.pnp.js
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# others
+.env*.local
+.vercel
+next-env.d.ts

apps/docs/README.md

@@ -0,0 +1,45 @@
+# docs
+
+This is a Next.js application generated with
+[Create Fumadocs](https://github.com/fuma-nama/fumadocs).
+
+Run development server:
+
+```bash
+npm run dev
+# or
+pnpm dev
+# or
+yarn dev
+```
+
+Open http://localhost:3000 with your browser to see the result.
+
+## Explore
+
+In the project, you can see:
+
+- `lib/source.ts`: Code for content source adapter, [`loader()`](https://fumadocs.dev/docs/headless/source-api) provides the interface to access your content.
+- `lib/layout.shared.tsx`: Shared options for layouts, optional but preferred to keep.
+
+| Route                     | Description                                            |
+| ------------------------- | ------------------------------------------------------ |
+| `app/(home)`              | The route group for your landing page and other pages. |
+| `app/docs`                | The documentation layout and pages.                    |
+| `app/api/search/route.ts` | The Route Handler for search.                          |
+
+### Fumadocs MDX
+
+A `source.config.ts` config file has been included, you can customise different options like frontmatter schema.
+
+Read the [Introduction](https://fumadocs.dev/docs/mdx) for further details.
+
+## Learn More
+
+To learn more about Next.js and Fumadocs, take a look at the following
+resources:
+
+- [Next.js Documentation](https://nextjs.org/docs) - learn about Next.js
+  features and API.
+- [Learn Next.js](https://nextjs.org/learn) - an interactive Next.js tutorial.
+- [Fumadocs](https://fumadocs.dev) - learn about Fumadocs

apps/docs/app/(home)/layout.tsx

@@ -0,0 +1,6 @@
+import { HomeLayout } from 'fumadocs-ui/layouts/home';
+import { baseOptions } from '@/lib/layout.shared';
+
+export default function Layout({ children }: LayoutProps<'/'>) {
+  return <HomeLayout {...baseOptions()}>{children}</HomeLayout>;
+}

apps/docs/app/(home)/page.tsx

@@ -0,0 +1,16 @@
+import Link from 'next/link';
+
+export default function HomePage() {
+  return (
+    <div className="flex flex-col justify-center text-center flex-1">
+      <h1 className="text-2xl font-bold mb-4">Hello World</h1>
+      <p>
+        You can open{' '}
+        <Link href="/docs" className="font-medium underline">
+          /docs
+        </Link>{' '}
+        and see the documentation.
+      </p>
+    </div>
+  );
+}

apps/docs/app/api/search/route.ts

@@ -0,0 +1,7 @@
+import { source } from '@/lib/source';
+import { createFromSource } from 'fumadocs-core/search/server';
+
+export const { GET } = createFromSource(source, {
+  // https://docs.orama.com/docs/orama-js/supported-languages
+  language: 'english',
+});

apps/docs/app/docs/[[...slug]]/page.tsx

@@ -0,0 +1,55 @@
+import { getPageImage, source } from "@/lib/source";
+import {
+  DocsBody,
+  DocsDescription,
+  DocsPage,
+  DocsTitle,
+} from "fumadocs-ui/layouts/docs/page";
+import { notFound } from "next/navigation";
+import { getMDXComponents } from "@/mdx-components";
+import type { Metadata } from "next";
+import { createRelativeLink } from "fumadocs-ui/mdx";
+
+export default async function Page(props: PageProps<"/docs/[[...slug]]">) {
+  const params = await props.params;
+  const page = source.getPage(params.slug);
+  if (!page) notFound();
+
+  const MDX = page.data.body;
+
+  return (
+    <DocsPage toc={page.data.toc} full={page.data.full}>
+      <DocsTitle>{page.data.title}</DocsTitle>
+      <DocsDescription>{page.data.description}</DocsDescription>
+      <DocsBody>
+        <MDX
+          components={getMDXComponents({
+            // this allows you to link to other pages with relative file paths
+            a: createRelativeLink(source, page),
+          })}
+        />
+      </DocsBody>
+    </DocsPage>
+  );
+}
+
+export async function generateStaticParams() {
+  return source.generateParams();
+}
+
+export async function generateMetadata(
+  props: PageProps<"/docs/[[...slug]]">,
+): Promise<Metadata> {
+  const params = await props.params;
+  const page = source.getPage(params.slug);
+  if (!page) notFound();
+
+  return {
+    metadataBase: new URL("https://docs.searchneu.com"),
+    title: page.data.title,
+    description: page.data.description,
+    openGraph: {
+      images: getPageImage(page).url,
+    },
+  };
+}

apps/docs/app/docs/layout.tsx

@@ -0,0 +1,11 @@
+import { source } from '@/lib/source';
+import { DocsLayout } from 'fumadocs-ui/layouts/docs';
+import { baseOptions } from '@/lib/layout.shared';
+
+export default function Layout({ children }: LayoutProps<'/docs'>) {
+  return (
+    <DocsLayout tree={source.pageTree} {...baseOptions()}>
+      {children}
+    </DocsLayout>
+  );
+}

apps/docs/app/global.css

@@ -0,0 +1,3 @@
+@import 'tailwindcss';
+@import 'fumadocs-ui/css/neutral.css';
+@import 'fumadocs-ui/css/preset.css';

apps/docs/app/layout.tsx

@@ -0,0 +1,17 @@
+import { RootProvider } from 'fumadocs-ui/provider/next';
+import './global.css';
+import { Inter } from 'next/font/google';
+
+const inter = Inter({
+  subsets: ['latin'],
+});
+
+export default function Layout({ children }: LayoutProps<'/'>) {
+  return (
+    <html lang="en" className={inter.className} suppressHydrationWarning>
+      <body className="flex flex-col min-h-screen">
+        <RootProvider>{children}</RootProvider>
+      </body>
+    </html>
+  );
+}

apps/docs/app/llms-full.txt/route.ts

@@ -0,0 +1,10 @@
+import { getLLMText, source } from '@/lib/source';
+
+export const revalidate = false;
+
+export async function GET() {
+  const scan = source.getPages().map(getLLMText);
+  const scanned = await Promise.all(scan);
+
+  return new Response(scanned.join('\n\n'));
+}

apps/docs/app/og/docs/[...slug]/route.tsx

@@ -0,0 +1,36 @@
+import { getPageImage, source } from "@/lib/source";
+import { notFound } from "next/navigation";
+import { ImageResponse } from "next/og";
+import { generate as DefaultImage } from "fumadocs-ui/og";
+
+export const revalidate = false;
+
+export async function GET(
+  _req: Request,
+  { params }: RouteContext<"/og/docs/[...slug]">,
+) {
+  const { slug } = await params;
+  const page = source.getPage(slug.slice(0, -1));
+  if (!page) notFound();
+
+  return new ImageResponse(
+    (
+      <DefaultImage
+        title={page.data.title}
+        description={page.data.description}
+        site="SearchNEU Docs"
+      />
+    ),
+    {
+      width: 1200,
+      height: 630,
+    },
+  );
+}
+
+export function generateStaticParams() {
+  return source.getPages().map((page) => ({
+    lang: page.locale,
+    slug: getPageImage(page).segments,
+  }));
+}

apps/docs/content/docs/dev/meta.json

@@ -0,0 +1,7 @@
+{
+  "title": "Developer Guide",
+  "description": "For SearchNEU development",
+  "icon": "CodeXml",
+  "root": true,
+  "defaultOpen": true
+}

content/docs/index.md → apps/docs/content/docs/index.md

@@ -1,4 +1,3 @@
 ---
 title: Home
-icon: House
 ---

apps/docs/content/docs/meta.json

@@ -0,0 +1,3 @@
+{
+  "pages": ["index", "---Sections---", "dev"]
+}

apps/docs/eslint.config.mjs

@@ -0,0 +1,26 @@
+import { dirname } from 'path';
+import { fileURLToPath } from 'url';
+import { FlatCompat } from '@eslint/eslintrc';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+});
+
+const eslintConfig = [
+  ...compat.extends('next/core-web-vitals', 'next/typescript'),
+  {
+    ignores: [
+      'node_modules/**',
+      '.next/**',
+      'out/**',
+      'build/**',
+      '.source/**',
+      'next-env.d.ts',
+    ],
+  },
+];
+
+export default eslintConfig;

apps/docs/lib/layout.shared.tsx

@@ -0,0 +1,9 @@
+import type { BaseLayoutProps } from "fumadocs-ui/layouts/shared";
+
+export function baseOptions(): BaseLayoutProps {
+  return {
+    nav: {
+      title: "SearchNEU Docs",
+    },
+  };
+}

apps/docs/lib/source.ts

@@ -0,0 +1,27 @@
+import { docs } from 'fumadocs-mdx:collections/server';
+import { type InferPageType, loader } from 'fumadocs-core/source';
+import { lucideIconsPlugin } from 'fumadocs-core/source/lucide-icons';
+
+// See https://fumadocs.dev/docs/headless/source-api for more info
+export const source = loader({
+  baseUrl: '/docs',
+  source: docs.toFumadocsSource(),
+  plugins: [lucideIconsPlugin()],
+});
+
+export function getPageImage(page: InferPageType<typeof source>) {
+  const segments = [...page.slugs, 'image.png'];
+
+  return {
+    segments,
+    url: `/og/docs/${segments.join('/')}`,
+  };
+}
+
+export async function getLLMText(page: InferPageType<typeof source>) {
+  const processed = await page.data.getText('processed');
+
+  return `# ${page.data.title}
+
+${processed}`;
+}

apps/docs/mdx-components.tsx

@@ -0,0 +1,9 @@
+import defaultMdxComponents from 'fumadocs-ui/mdx';
+import type { MDXComponents } from 'mdx/types';
+
+export function getMDXComponents(components?: MDXComponents): MDXComponents {
+  return {
+    ...defaultMdxComponents,
+    ...components,
+  };
+}

apps/docs/next.config.mjs

@@ -0,0 +1,10 @@
+import { createMDX } from 'fumadocs-mdx/next';
+
+const withMDX = createMDX();
+
+/** @type {import('next').NextConfig} */
+const config = {
+  reactStrictMode: true,
+};
+
+export default withMDX(config);

apps/docs/package.json

@@ -0,0 +1,35 @@
+{
+  "name": "docs",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "build": "next build",
+    "dev": "next dev --port 3001",
+    "start": "next start",
+    "types:check": "fumadocs-mdx && tsc --noEmit",
+    "postinstall": "fumadocs-mdx",
+    "lint": "eslint"
+  },
+  "dependencies": {
+    "fumadocs-core": "16.2.3",
+    "fumadocs-mdx": "14.1.0",
+    "fumadocs-ui": "16.2.3",
+    "lucide-react": "^0.556.0",
+    "next": "16.0.7",
+    "react": "^19.2.1",
+    "react-dom": "^19.2.1"
+  },
+  "devDependencies": {
+    "@eslint/eslintrc": "^3.3.3",
+    "@tailwindcss/postcss": "^4.1.17",
+    "@types/mdx": "^2.0.13",
+    "@types/node": "^24.10.1",
+    "@types/react": "^19.2.7",
+    "@types/react-dom": "^19.2.3",
+    "eslint": "^9.39.1",
+    "eslint-config-next": "16.0.7",
+    "postcss": "^8.5.6",
+    "tailwindcss": "^4.1.17",
+    "typescript": "^5.9.3"
+  }
+}

apps/docs/postcss.config.mjs

@@ -0,0 +1,5 @@
+export default {
+  plugins: {
+    '@tailwindcss/postcss': {},
+  },
+};