# Fumadocs (Framework Mode): Tanstack Start
URL: /docs/manual-installation/tanstack-start
Source: https://raw.githubusercontent.com/fuma-nama/fumadocs/refs/heads/main/apps/docs/content/docs/(framework)/manual-installation/tanstack-start.mdx

Setup Fumadocs on Tanstack Start.

## Getting Started [#getting-started]

Before continuing, make sure to configure:

- Tailwind CSS 4.
- Fumadocs MDX: follow the [Vite setup guide](/docs/mdx/vite) and create essential files like `lib/source.ts`.

### Installation [#installation]

```npm
npm i fumadocs-core fumadocs-ui
```

### Styles [#styles]

Add the following to your Tailwind CSS file:

```css title="styles/app.css"
@import 'tailwindcss';
/* [!code ++:2] */
@import 'fumadocs-ui/css/neutral.css';
@import 'fumadocs-ui/css/preset.css';
```

### Create Pages [#create-pages]

Create the following files:

```tsx tab="components/mdx.tsx"
import defaultMdxComponents from 'fumadocs-ui/mdx';
import type { MDXComponents } from 'mdx/types';

export function getMDXComponents(components?: MDXComponents) {
  return {
    ...defaultMdxComponents,
    ...components,
  } satisfies MDXComponents;
}

export const useMDXComponents = getMDXComponents;

declare global {
  type MDXProvidedComponents = ReturnType<typeof getMDXComponents>;
}
```
```tsx tab="lib/layout.shared.tsx"
import type { BaseLayoutProps } from 'fumadocs-ui/layouts/shared';

export function baseOptions(): BaseLayoutProps {
  return {
    nav: {
      title: 'Tanstack Start',
    },
  };
}
```
```tsx tab="routes/docs/$.tsx"
import { createFileRoute, notFound } from '@tanstack/react-router';
import { DocsLayout } from 'fumadocs-ui/layouts/docs';
import { createServerFn } from '@tanstack/react-start';
import { docs, source } from '@/lib/source';
import { DocsBody, DocsDescription, DocsPage, DocsTitle } from 'fumadocs-ui/layouts/docs/page';
import { baseOptions } from '@/lib/layout.shared';
import { useFumadocsLoader } from 'fumadocs-core/source/client';
import { Suspense, use } from 'react';
import { useMDXComponents } from '@/components/mdx';

export const Route = createFileRoute('/docs/$')({
  component: Page,
  loader: async ({ params }) => {
    const slugs = params._splat?.split('/') ?? [];
    const data = await serverLoader({ data: slugs });
    await docs.getPage(data.path)?.preload();
    return data;
  },
});

const serverLoader = createServerFn({
  method: 'GET',
})
  .validator((slugs: string[]) => slugs)
  .handler(async ({ data: slugs }) => {
    const page = source.getPage(slugs);
    if (!page) throw notFound();

    return {
      path: page.path,
      pageTree: await source.serializePageTree(source.getPageTree()),
    };
  });

function Content({ path }: { path: string }) {
  const page = docs.getPage(path);
  if (!page) throw new Error(`unknown page: ${path}`);

  const { toc } = use(page.load());
  const MDX = page.body;

  return (
    <DocsPage toc={toc}>
      <DocsTitle>{page.title}</DocsTitle>
      <DocsDescription>{page.description}</DocsDescription>
      <DocsBody>
        <MDX components={useMDXComponents()} />
      </DocsBody>
    </DocsPage>
  );
}

function Page() {
  const data = useFumadocsLoader(Route.useLoaderData());

  return (
    <DocsLayout {...baseOptions()} tree={data.pageTree}>
      <Suspense>
        <Content path={data.path} />
      </Suspense>
    </DocsLayout>
  );
}
```
```ts tab="routes/api/search.ts"
import { createFileRoute } from '@tanstack/react-router';
import { source } from '@/lib/source';
import { createFromSource } from 'fumadocs-core/search/server';

const server = createFromSource(source);

export const Route = createFileRoute('/api/search')({
  server: {
    handlers: {
      GET: async ({ request }) => server.GET(request),
    },
  },
});
```

Wrap your entire app under Fumadocs providers:

```tsx title="__root.tsx"
import { createRootRoute, HeadContent, Outlet, Scripts } from '@tanstack/react-router';
import * as React from 'react';
import { RootProvider } from 'fumadocs-ui/provider/tanstack';

export const Route = createRootRoute({
  component: RootComponent,
});

function RootComponent() {
  return (
    <RootDocument>
      <Outlet />
    </RootDocument>
  );
}

function RootDocument({ children }: { children: React.ReactNode }) {
  return (
    <html suppressHydrationWarning>
      <head>
        <HeadContent />
      </head>
      <body className="flex flex-col min-h-screen">
        {/* [!code ++] */}
        <RootProvider>{children}</RootProvider>
        <Scripts />
      </body>
    </html>
  );
}
```

### Done [#done]

You can start writing documents at `content/docs`:

```mdx title="content/docs/index.mdx"
---
title: Hello World
---

I love Fumadocs
```