FIX: Only unsubscribe channel if it was subscribed.

2018-03-06 21:37:38 +08:00 · 2018-03-06 21:37:38 +08:00 · 8f5349eaa1
parent e09a4a353e
commit 8f5349eaa1
1 changed files with 2 additions and 1 deletions
--- a/app/assets/javascripts/discourse/controllers/user-topics-list.js.es6
+++ b/app/assets/javascripts/discourse/controllers/user-topics-list.js.es6
@ -31,7 +31,8 @@ export default Ember.Controller.extend({
  },

  unsubscribe() {
-    this.messageBus.unsubscribe(this.get('channel'));
+    const channel = this.get('channel');
+    if (channel) this.messageBus.unsubscribe(channel);
    this._resetTracking();
    this.set('channel', null);
  },