What confusion do I have regarding resolving promises in Angular's state management?

Here is the state defined in appRouteConfig.js, where I am using $promise to verify userList:

.state('userAccounts',{
    url:'/userAccounts',
    controller:'UserAccount',
    resolve:{
        registerService: "registerService",
        userList: function(registerService){                            
            return registerService.AllUser().$promise; 
        }
    },
    templateUrl:'UserAccounts/UserAccountsView.html'
})

This section shows the contents of registerService.js:

    AllUser: function(){
        return $http.get('api/allUser');
    }

Interestingly, without using $promise, everything functions as expected.

I am curious about why the usage of $promise here is causing issues. If this explanation is unclear, please leave a comment.

javascriptangularjsangular-promise

Answer №1

After removing some unnecessary code, your registerService.js file should work properly:

AllUser: function(){
        return $http.get('api/allUser');
    }

This change simplifies the way you are handling promises in your resolve:

resolve:{
        registerService: "registerService",
        userList: function(registerService){                            
            return registerService.AllUser(); 
        }

By making these adjustments, you avoid unnecessarily nesting promises and ensure smoother execution.

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