ENG-1590 Migrate existing docs content into Nextra content directories

apps/website/app/(docs)/docs/(landing)/layout.tsx

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+import "~/globals.css";
+
+type DocsLandingLayoutProps = {
+  children: React.ReactNode;
+};
+
+const DocsLandingLayout = ({
+  children,
+}: DocsLandingLayoutProps): React.ReactElement => <>{children}</>;
+
+export default DocsLandingLayout;

apps/website/app/(docs)/docs/(landing)/page.tsx

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+import type { Metadata } from "next";
+import Link from "next/link";
+import { ArrowRight } from "lucide-react";
+import { Card, CardContent } from "@repo/ui/components/ui/card";
+import { PlatformBadge } from "~/components/PlatformBadge";
+import { Logo } from "~/components/Logo";
+
+export const metadata: Metadata = {
+  title: "Documentation",
+  description:
+    "Choose the Discourse Graphs documentation for Roam Research or Obsidian.",
+};
+
+const DOCS_DESTINATIONS = [
+  {
+    description:
+      "Installation, graph building, querying, and advanced workflows for the Roam Research plugin.",
+    href: "/docs/roam",
+    platform: "roam",
+    title: "Roam docs",
+  },
+  {
+    description:
+      "Setup, node and relation authoring, sync, and workspace configuration for the Obsidian plugin.",
+    href: "/docs/obsidian",
+    platform: "obsidian",
+    title: "Obsidian docs",
+  },
+] as const;
+
+const DocsLandingPage = (): React.ReactElement => {
+  return (
+    <div className="font-[family:var(--font-inter)] min-h-screen bg-neutral-light text-neutral-dark">
+      <header className="border-b border-black/5 bg-white/80 backdrop-blur">
+        <div className="mx-auto flex max-w-6xl items-center justify-between gap-6 px-6 py-4">
+          <Logo />
+          <Link
+            href="/"
+            className="text-sm font-medium text-neutral-dark/70 hover:text-neutral-dark"
+          >
+            Back to site
+          </Link>
+        </div>
+      </header>
+
+      <main className="px-6 py-16 sm:py-24">
+        <div className="mx-auto max-w-6xl">
+          <section className="max-w-3xl">
+            <p className="text-sm font-semibold uppercase tracking-[0.18em] text-secondary">
+              Documentation
+            </p>
+            <h1 className="mt-4 text-4xl font-semibold tracking-tight text-primary sm:text-5xl">
+              Choose your docs
+            </h1>
+            <p className="mt-6 text-lg leading-8 text-neutral-dark/80">
+              Discourse Graphs has separate documentation for each client. Pick
+              the one you are using to get the right setup instructions,
+              workflows, and reference pages.
+            </p>
+          </section>
+
+          <section className="mt-12 grid gap-6 md:grid-cols-2">
+            {DOCS_DESTINATIONS.map(({ description, href, platform, title }) => (
+              <Link key={href} href={href} className="group block h-full">
+                <Card className="h-full rounded-2xl border border-black/5 bg-white shadow-sm transition-transform duration-200 group-hover:-translate-y-1 group-hover:shadow-lg">
+                  <CardContent className="flex h-full flex-col gap-8 p-8">
+                    <div className="flex items-start justify-between gap-4">
+                      <PlatformBadge platform={platform} />
+                      <ArrowRight className="h-5 w-5 shrink-0 text-neutral-dark/40 transition-transform duration-200 group-hover:translate-x-1 group-hover:text-secondary" />
+                    </div>
+
+                    <div className="space-y-4">
+                      <h2 className="text-2xl font-semibold tracking-tight text-primary">
+                        {title}
+                      </h2>
+                      <p className="text-base leading-7 text-neutral-dark/75">
+                        {description}
+                      </p>
+                    </div>
+
+                    <p className="mt-auto text-sm font-semibold text-secondary">
+                      Open documentation
+                    </p>
+                  </CardContent>
+                </Card>
+              </Link>
+            ))}
+          </section>
+        </div>
+      </main>
+    </div>
+  );
+};
+
+export default DocsLandingPage;

apps/website/app/(docs)/docs/_components/DocsPageTemplate.tsx

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+import type { EvaluateResult } from "nextra";
+import { useMDXComponents } from "mdx-components";
+
+type DocsPageTemplateProps = Omit<EvaluateResult, "default"> & {
+  children: React.ReactNode;
+};
+
+const hasPrimaryHeading = (sourceCode: string): boolean =>
+  /(^|\n)#\s+\S/m.test(sourceCode);
+
+const DocsPageTemplate = ({
+  children,
+  metadata,
+  sourceCode,
+  ...wrapperProps
+}: DocsPageTemplateProps): React.ReactElement => {
+  const { h1, wrapper } = useMDXComponents();
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  const Wrapper = wrapper as React.ComponentType<DocsPageTemplateProps>;
+  const H1 = h1 as React.ComponentType<
+    React.HTMLAttributes<HTMLHeadingElement> & {
+      children: React.ReactNode;
+    }
+  >;
+
+  return (
+    <Wrapper metadata={metadata} sourceCode={sourceCode} {...wrapperProps}>
+      {!hasPrimaryHeading(sourceCode) && <H1>{metadata.title}</H1>}
+      {children}
+    </Wrapper>
+  );
+};
+
+export default DocsPageTemplate;

apps/website/app/(docs)/docs/_components/DocsThemeLayout.tsx

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+import type { PageMapItem } from "nextra";
+import { Search } from "nextra/components";
+import { Footer, Layout, Navbar } from "nextra-theme-docs";
+import { Logo } from "~/components/Logo";
+
+type DocsSearchScope = "roam" | "obsidian";
+
+type DocsThemeLayoutProps = {
+  children: React.ReactNode;
+  hideSearch?: boolean;
+  pageMap: PageMapItem[];
+  searchScope?: DocsSearchScope;
+};
+
+const SEARCH_PLACEHOLDERS: Record<DocsSearchScope, string> = {
+  obsidian: "Search Obsidian docs...",
+  roam: "Search Roam docs...",
+};
+
+const renderSearch = ({
+  hideSearch,
+  searchScope,
+}: Pick<DocsThemeLayoutProps, "hideSearch" | "searchScope">):
+  | React.ReactElement
+  | null
+  | undefined => {
+  if (hideSearch) {
+    return null;
+  }
+
+  if (!searchScope) {
+    return undefined;
+  }
+
+  return (
+    <Search
+      placeholder={SEARCH_PLACEHOLDERS[searchScope]}
+      searchOptions={{
+        filters: {
+          platform: [searchScope],
+        },
+      }}
+    />
+  );
+};
+
+const DocsThemeLayout = ({
+  children,
+  hideSearch,
+  pageMap,
+  searchScope,
+}: DocsThemeLayoutProps): React.ReactElement => {
+  const search = renderSearch({ hideSearch, searchScope });
+
+  return (
+    <div className="nextra-reset">
+      <Layout
+        editLink={null}
+        feedback={{ content: null }}
+        footer={
+          <Footer>
+            Apache 2.0 {new Date().getFullYear()} (c) Discourse Graphs.
+          </Footer>
+        }
+        navbar={
+          <Navbar
+            logo={<Logo linked={false} textClassName="text-inherit" />}
+            projectLink="https://github.com/DiscourseGraphs/discourse-graph"
+          />
+        }
+        pageMap={pageMap}
+        search={search}
+        sidebar={{
+          defaultMenuCollapseLevel: 1,
+        }}
+        toc={{
+          backToTop: "Back to top",
+        }}
+      >
+        {children}
+      </Layout>
+    </div>
+  );
+};
+
+export default DocsThemeLayout;

apps/website/app/(docs)/docs/obsidian/[[...mdxPath]]/page.tsx

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+import type { Metadata } from "next";
+import { notFound } from "next/navigation";
+import { generateStaticParamsFor, importPage } from "nextra/pages";
+import DocsPageTemplate from "../../_components/DocsPageTemplate";
+
+type DocsPageProps = {
+  params: Promise<{
+    mdxPath?: string[];
+  }>;
+};
+
+type ImportedPage = Awaited<ReturnType<typeof importPage>>;
+
+const generateAllStaticParams = generateStaticParamsFor("mdxPath");
+
+const loadPage = async (mdxPath?: string[]): Promise<ImportedPage> =>
+  importPage(["obsidian", ...(mdxPath ?? [])]);
+
+export const generateStaticParams = async (): Promise<
+  Array<{ mdxPath?: string[] }>
+> => {
+  const staticParams = await generateAllStaticParams();
+
+  return staticParams.flatMap(({ mdxPath }) => {
+    if (!Array.isArray(mdxPath) || mdxPath[0] !== "obsidian") {
+      return [];
+    }
+
+    const platformPath = mdxPath.slice(1);
+
+    return platformPath.length ? [{ mdxPath: platformPath }] : [{}];
+  });
+};
+
+const Page = async ({ params }: DocsPageProps): Promise<React.ReactElement> => {
+  try {
+    const { mdxPath } = await params;
+    const result = await loadPage(mdxPath);
+    const { default: MDXContent, ...wrapperProps } = result;
+
+    return (
+      <DocsPageTemplate {...wrapperProps}>
+        <MDXContent params={{ mdxPath: mdxPath ?? [] }} />
+      </DocsPageTemplate>
+    );
+  } catch (error) {
+    console.error("Error rendering Obsidian docs page:", error);
+    notFound();
+  }
+};
+
+export const generateMetadata = async ({
+  params,
+}: DocsPageProps): Promise<Metadata> => {
+  try {
+    const { mdxPath } = await params;
+    const { metadata } = await loadPage(mdxPath);
+
+    return metadata;
+  } catch (error) {
+    console.error("Error generating Obsidian docs metadata:", error);
+
+    return {
+      title: "Obsidian docs",
+    };
+  }
+};
+
+export default Page;

apps/website/app/(docs)/docs/obsidian/layout.tsx

@@ -1,10 +1,22 @@
-import { navigation } from "./navigation";
-import { Layout } from "~/components/DocsLayout";
+import { getPageMap } from "nextra/page-map";
+import DocsThemeLayout from "../_components/DocsThemeLayout";
+import "../../../(nextra)/nextra-css.css";
+import "nextra-theme-docs/style-prefixed.css";
 
-export default function RootLayout({
-  children,
-}: {
+type ObsidianDocsLayoutProps = {
   children: React.ReactNode;
-}) {
-  return <Layout navigationList={navigation}>{children}</Layout>;
-}
+};
+
+const ObsidianDocsLayout = async ({
+  children,
+}: ObsidianDocsLayoutProps): Promise<React.ReactElement> => {
+  const pageMap = await getPageMap("/docs/obsidian");
+
+  return (
+    <DocsThemeLayout pageMap={pageMap} searchScope="obsidian">
+      {children}
+    </DocsThemeLayout>
+  );
+};
+
+export default ObsidianDocsLayout;