There was a tutorial I came across once about optimizing Angular so that it doesn't preload the {{ }} and other elements until the final render, but now I can't seem to find it.
Does anyone know where I could find this information?
There was a tutorial I came across once about optimizing Angular so that it doesn't preload the {{ }} and other elements until the final render, but now I can't seem to find it.
Does anyone know where I could find this information?
To ensure that users are authenticated before accessing certain states, you can leverage the $stateChangeStart event in ui-router. By listening to this event during the run phase of your application, you can check if a user is attempting to navigate to a state that requires authentication.
angular.module("yourApp").run(function($rootScope, $state){
$rootScope.$on('$stateChangeStart', function(event, toState, toParams, fromState, fromParams){
if(toState === "yourStateWhichRequiresAuthentication" && authenticationFailed){
event.preventDefault();
$state.go("loginState");
} }) });
For a more robust solution, you can attach data to your state definitions indicating which states require authentication. This way, you can easily determine if a state needs authentication based on its data value:
// Define data for authentication requirement in state definition
$stateProvider
.state("main", {
url: "main",
template: "<div>Main State</div>",
data: {needsAuthentication: true})
if (toState.data && toState.data.needsAuthentication) {
if (!$rootScope.isAuthenticated()) { // User is not logged in
event.preventDefault();
$state.go("login");
}
}
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