Handle TOPIC in State.handleMessage

components/app.js

@@ -636,9 +636,6 @@ export default class App extends Component {
 			break;
 		case "TOPIC":
 			var channel = msg.params[0];
-			var topic = msg.params[1];
-
-			this.setBufferState({ server: serverID, name: channel }, { topic });
 			this.addMessage(serverID, channel, msg);
 			break;
 		case "INVITE":

state.js

@@ -339,6 +339,10 @@ export const State = {
 				var who = { ...buf.who, away: !!awayMessage };
 				return { who };
 			});
+		case "TOPIC":
+			var channel = msg.params[0];
+			var topic = msg.params[1];
+			return updateBuffer(channel, { topic });
 		}
 	},
 };