Angularjs ui-router. How to redirect to login page

The point is, do not redirect if not needed === if already redirected to intended state. There is a working plunker with similar solution

.run(function($rootScope, $location, $state, authenticationSvc) {

    $rootScope.$on( '$stateChangeStart', function(e, toState  , toParams
                                                   , fromState, fromParams) {

        var isLogin = === "login";
           return; // no need to redirect 

        // now, redirect only not authenticated

        var userInfo = authenticationSvc.getUserInfo();

        if(userInfo.authenticated === false) {
            e.preventDefault(); // stop current execution
            $state.go('login'); // go to login

Check these for similar explanation:

  • Angular ui router – Redirection doesn’t work at all
  • How can I fix ‘Maximum call stack size exceeded’ AngularJS

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