energylink/public/app/features/dashboard/snapshotTopNavCtrl.js

define([
  'angular',
  'moment',
],
function (angular, moment) {
  'use strict';

  var module = angular.module('grafana.controllers');

  module.controller('SnapshotTopNavCtrl', function($scope) {

    $scope.init = function() {
      var meta = $scope.dashboardMeta;
      $scope.titleTooltip = 'Created:  ' + moment(meta.created).calendar();
      if (meta.expires) {
        $scope.titleTooltip += '<br>Expires: &nbsp;' + moment(meta.expires).fromNow() + '<br>';
      }
    };

  });

});