Return destructured data only if existing on layout

src/routes/__layout.svelte

@@ -47,6 +47,7 @@
     })
 </script>
 
+
 <Switcher isOver={!!$page.params.location && !!$page.params.photo} />
 
 <slot />
@@ -61,6 +62,7 @@
 
 <SVGSprite />
 
+
 <script context="module" lang="ts">
     import type { LoadEvent, LoadOutput } from '@sveltejs/kit'
     import { fetchAPI } from '$utils/api'
@@ -149,6 +151,7 @@
             }
         `)
 
+        if (res) {
             const { data } = res
             const filteredContinents = data.continents.filter((cont: any) => cont.countries.length)
 
@@ -166,4 +169,9 @@
                 },
             }
         }
+
+        return {
+            status: 500,
+        }
+    }
 </script>