Addon-docs: Make Table of Content click handler safer

storybookjs · Dec 24, 2024 · f07cf4a · f07cf4a
1 parent c9d5743
commit f07cf4a
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/code/lib/blocks/src/components/TableOfContents.tsx b/code/lib/blocks/src/components/TableOfContents.tsx
@@ -163,7 +163,9 @@ export const TableOfContents = ({
         e.preventDefault();
         if (e.currentTarget instanceof HTMLAnchorElement) {
           const [, headerId] = e.currentTarget.href.split('#');
-          channel.emit(NAVIGATE_URL, `#${encodeURIComponent(headerId)}`);
+          if (headerId) {
+            channel.emit(NAVIGATE_URL, `#${encodeURIComponent(headerId)}`);
+          }
         }
       },
       ...unsafeTocbotOptions,