Added no results text for Slack slash command

server/api/hooks.js

@@ -26,6 +26,7 @@ router.post('hooks.slack', async ctx => {
     limit: 5,
   });
 
+  if (documents) {
     const results = [];
     let number = 1;
     for (const document of documents) {
@@ -44,6 +45,11 @@ router.post('hooks.slack', async ctx => {
         },
       ],
     };
+  } else {
+    ctx.body = {
+      text: 'No search results',
+    };
+  }
 });
 
 export default router;