Fix TypeError when one of audioTracks or videoTracks was undefined

9 years ago · f72e3bf552
parent 61fa2d8ed1
commit f72e3bf552
1 changed files with 2 additions and 1 deletions
--- a/conference.js
+++ b/conference.js
@ -594,7 +594,8 @@ export default {
                                            videoTrackCreationError);
                                    }

-                                    return audioTracks.concat(videoTracks);
+                                    return (audioTracks || [])
+                                        .concat(videoTracks || []);
                                });
                        } else {
                            promise = createAudioTrack();