log for #55

wechaty · Oct 21, 2016 · cd7c7dd · cd7c7dd
1 parent 998efbb
commit cd7c7dd
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/room.ts b/src/room.ts
@@ -270,6 +270,10 @@ export class Room extends EventEmitter implements Sayable {
   }
 
   public topic(newTopic?: string): string {
+    if (!this.isReady()) {
+      throw new Error('room not ready')
+    }
+
     if (newTopic) {
       log.verbose('Room', 'topic(%s)', newTopic)
     }