ts errors for docs

Author: alexzhang13

.github/workflows/docs.yml

@@ -30,7 +30,7 @@ jobs:
         with:
           node-version: '20'
           cache: 'npm'
-          cache-dependency-path: docs/package-lock.json
+          cache-dependency-path: docs/package.json
 
       - name: Install dependencies
         working-directory: docs

docs/src/components/Sidebar.tsx

@@ -60,7 +60,7 @@ export function Sidebar() {
                       )}
                     />
                   </button>
-                  {isExpanded && (
+                  {isExpanded && item.children && (
                     <ul className="mt-1 ml-3 space-y-1 border-l border-border pl-3">
                       {item.children.map((child) => (
                         <li key={child.href}>