old_contents: // 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);
  
new_contents: // 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);
  
subject: Fix jshint error