Handle "RTCPeerConnection is gone" error on FF
Handle "RTCPeerConnection is gone" error on FF

Complete stacktrace:

Uncaught (in promise) DOMException: RTCPeerConnection is gone (did you enter Offline mode?) PeerConnection.jsm:1153:12
    _validateIdentity resource://gre/modules/media/PeerConnection.jsm:1153

feross/simple-peer