Remove some places where the GitBook space wasn't required, reducing some async deps.

packages/gitbook/src/app/middleware/(site)/(content)/[[...pathname]]/page.tsx

@@ -169,8 +169,7 @@ export async function generateMetadata({
             ],
         },
         robots:
-            (await isSpaceIndexable({ space, site: site ?? null })) &&
-            isPageIndexable(ancestors, page)
+            (await isSpaceIndexable(site ?? null)) && isPageIndexable(ancestors, page)
                 ? 'index, follow'
                 : 'noindex, nofollow',
     };

packages/gitbook/src/app/middleware/(site)/(content)/layout.tsx

@@ -142,7 +142,7 @@ export async function generateMetadata(): Promise<Metadata> {
                 },
             ],
         },
-        robots: (await isSpaceIndexable({ space, site })) ? 'index, follow' : 'noindex, nofollow',
+        robots: (await isSpaceIndexable(site)) ? 'index, follow' : 'noindex, nofollow',
     };
 }
 

packages/gitbook/src/app/middleware/(site)/(core)/robots.txt/route.ts

@@ -12,15 +12,12 @@ export const runtime = 'edge';
  */
 export async function GET(req: NextRequest) {
     const pointer = await getSiteContentPointer();
-    const [site, space] = await Promise.all([
-        getSite(pointer.organizationId, pointer.siteId),
-        getSpace(pointer.spaceId, pointer.siteShareKey),
-    ]);
+    const site = await getSite(pointer.organizationId, pointer.siteId);
 
     const lines = [
         `User-agent: *`,
         'Disallow: /~gitbook/',
-        ...((await isSpaceIndexable({ space, site }))
+        ...((await isSpaceIndexable(site))
             ? [`Allow: /`, `Sitemap: ${await getAbsoluteHref(`/sitemap.xml`, true)}`]
             : [`Disallow: /`]),
     ];

packages/gitbook/src/app/middleware/(space)/~gitbook/pdf/page.tsx

@@ -28,6 +28,7 @@ import { resolvePageId } from '@/lib/pages';
 import { ContentRefContext, resolveContentRef } from '@/lib/references';
 import { tcls } from '@/lib/tailwind';
 import { PDFSearchParams, getPDFSearchParams } from '@/lib/urls';
+import { getContentTitle } from '@/lib/utils';
 
 import './pdf.css';
 import { PageControlButtons } from './PageControlButtons';
@@ -47,7 +48,7 @@ export async function generateMetadata(): Promise<Metadata> {
     ]);
 
     return {
-        title: customization.title ?? space.title,
+        title: getContentTitle(space, customization, null),
         robots: 'noindex, nofollow',
     };
 }

packages/gitbook/src/lib/seo.ts

@@ -31,7 +31,7 @@ export function isPageIndexable(
 /**
  * Return true if a space should be indexed by search engines.
  */
-export async function isSpaceIndexable({ space, site }: { space: Space; site: Site | null }) {
+export async function isSpaceIndexable(site: Site | null) {
     const headersList = await headers();
 
     if (