[angularjs] Angular - ui-router get previous state

If you just need this functionality and want to use it in more than one controller, this is a simple service to track route history:

  (function () {
  'use strict';

  angular
    .module('core')
    .factory('RouterTracker', RouterTracker);

  function RouterTracker($rootScope) {

    var routeHistory = [];
    var service = {
      getRouteHistory: getRouteHistory
    };

    $rootScope.$on('$stateChangeSuccess', function (ev, to, toParams, from, fromParams) {
      routeHistory.push({route: from, routeParams: fromParams});
    });

    function getRouteHistory() {
      return routeHistory;
    }

    return service;
  }
})();

where the 'core' in .module('core') would be the name of your app/module. Require the service as a dependency to your controller, then in your controller you can do: $scope.routeHistory = RouterTracker.getRouteHistory()

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