Fix href being empty in TOC (#3269)

Co-authored-by: Nicolas Dorseuil <nicolas@gitbook.io>

.changeset/cool-jars-matter.md

@@ -0,0 +1,5 @@
+---
+"gitbook": patch
+---
+
+fix href being empty in TOC

packages/gitbook/src/components/TableOfContents/PageDocumentItem.tsx

@@ -17,7 +17,11 @@ export async function PageDocumentItem(props: {
     context: GitBookSiteContext;
 }) {
     const { rootPages, page, context } = props;
-    const href = context.linker.toPathForPage({ pages: rootPages, page });
+    let href = context.linker.toPathForPage({ pages: rootPages, page });
+    // toPathForPage can returns an empty path, this will cause all links to point to the current page.
+    if (href === '') {
+        href = '/';
+    }
 
     return (
         <li className="flex flex-col">