so topics in .map() are array. Is it array that always has only one buffer or can have lots of them???

chatBot/includes/client.js

@@ -26,7 +26,8 @@ class Client extends EventEmitter {
       this.swarm.peers.forEach((peerInfo, peer) => {
         console.log(`Peer ${[peer]} is in topic(s) [${[peerInfo.topics].filter(topic => topic).map(topic => {
           console.log(topic)
-          b4a.toString(topic, 'hex')
+          return "test"
+          // b4a.toString(topic, 'hex')
         }).join(", ")}]`);
       });
     });