code: function emberPlugin(Raven, Ember) {
    Ember = Ember || window.Ember;
  
    // quit if Ember isn't on the page
    if (!Ember) return;
  
    var _oldOnError = Ember.onerror;
    Ember.onerror = function EmberOnError(error) {
      Raven.captureException(error);
      if (typeof _oldOnError === 'function') {
        _oldOnError.call(this, error);
      }
    };
    Ember.RSVP.on('error', function(reason) {
      if (reason instanceof Error) {
        Raven.captureException(reason, {
          extra: {context: 'Unhandled Promise error detected'}
        });
      } else {
        Raven.captureMessage('Unhandled Promise error detected', {extra: {reason: reason}});
      }
    });
  }
docs: Ember.js plugin
  
  Patches event handler callbacks and ajax callbacks.