create-better-t-stack/apps/web/src/app/docs/[[...slug]]/page.tsx

import * as TabsComponents from "fumadocs-ui/components/tabs";
import defaultMdxComponents from "fumadocs-ui/mdx";
import {
	DocsBody,
	DocsDescription,
	DocsPage,
	DocsTitle,
} from "fumadocs-ui/page";
import { notFound } from "next/navigation";
import { LLMCopyButton, ViewOptions } from "@/components/ai/page-actions";
import { source } from "@/lib/source";

export default async function Page(props: {
	params: Promise<{ slug?: string[] }>;
}) {
	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>
			<div className="flex flex-row items-center gap-2 border-b pt-2 pb-6">
				<LLMCopyButton markdownUrl={`${page.url}.mdx`} />
				<ViewOptions
					markdownUrl={`${page.url}.mdx`}
					githubUrl={`https://github.com/AmanVarshney01/create-better-t-stack/blob/main/apps/web/content/docs/${page.path}`}
				/>
			</div>
			<DocsBody>
				<MDX components={{ ...defaultMdxComponents, ...TabsComponents }} />
			</DocsBody>
		</DocsPage>
	);
}

export async function generateStaticParams() {
	return source.generateParams();
}

export async function generateMetadata({
	params,
}: {
	params: Promise<{ slug?: string[] }>;
}) {
	const { slug = [] } = await params;
	const page = source.getPage(slug);
	if (!page) notFound();
	return {
		title: page.data.title,
		description: page.data.description,
	};
}