app/assets/javascripts/cable.js
// Action Cable provides the framework to deal with WebSockets in Rails.
// You can generate new channels where WebSocket features live using the rails generate channel command.
//
//= require action_cable
//= require_self
//= require_tree ./channels
(function() {
this.App = this.App || {};
App.cable = ActionCable.createConsumer();
}).call(this);