Docs: handle errors gracefully when extracting headings from JSX

apps/web/app/(marketing)/docs/_lib/utils.ts

@@ -53,6 +53,7 @@ export function extractHeadingsFromJSX(jsx: {
   function getTextContent(
     children: React.ReactElement[] | string | React.ReactElement,
   ): string {
+    try {
       if (typeof children === 'string') {
         return children;
       }
@@ -68,12 +69,18 @@ export function extractHeadingsFromJSX(jsx: {
           }
         ).children
       ) {
-      return getTextContent((children.props as { children: React.ReactElement }).children);
+        return getTextContent(
+          (children.props as { children: React.ReactElement }).children,
+        );
       }
 
       return '';
+    } catch {
+      return '';
+    }
   }
 
+  try {
     jsx.props.children.forEach((node) => {
       if (!node || typeof node !== 'object' || !('type' in node)) {
         return;
@@ -126,6 +133,9 @@ export function extractHeadingsFromJSX(jsx: {
     });
 
     return headings;
+  } catch {
+    return [];
+  }
 }
 
 function generateSlug(text: string): string {