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AngularJS Promise resolved incorrectly


AngularJS Promise resolved incorrectly

By : user2956473
Date : November 22 2020, 10:56 AM
will be helpful for those in need I have a router that's waiting for these properties to be resolved , The order of injected services is incorrect. Should be
code :
function($scope, friend, notes, friends)


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angularjs - promise never resolved in controller

angularjs - promise never resolved in controller


By : ExParrot
Date : March 29 2020, 07:55 AM
Hope that helps The AngularJS the result of promises resolution is propagated asynchronously, inside a $digest cycle. So, the callbacks registered with then will be only called upon entering the $digest cycle. The setTimeout executes "outside of the AngularJS world", and as such will not trigger callbacks.
The solution is to use Scope.$apply or the $timeout service. Here is the version with $apply:
code :
      window.setTimeout(function() {
        console.log("Resolving promise");
        $scope.$apply(function(){
          deffered.resolve("worked");
        });
      }, 2000);
AngularJS: promise not correctly resolved

AngularJS: promise not correctly resolved


By : devanshu
Date : March 29 2020, 07:55 AM
wish helps you The promise is still a promise even after it is resolved.
Try this:
code :
$scope.click = function()
{
  $scope.messages.then(function(msgArray) {
    alert(msgArray[0]);
  });
}
AngularJS promise gets resolved with the wrong value

AngularJS promise gets resolved with the wrong value


By : user2458142
Date : March 29 2020, 07:55 AM
around this issue So, Anant solved your missing return issue. Let's discuss how you won't have it any more in the first place :)
Promises chain, your current code has the deferred anti pattern which we'd rather avoid. You're creating excess deferred which you shouldn't. Your life can be a lot easier:
code :
function addDataCachingServiceToModule(module) {
   module.factory('myDataCaching', function ($itemRepository) {

    var cats = null; // prefer null for explicit lack

    function getCategoriesWithNewItems(date) {
        // are we sure we don't want to cache by date? 
        return cats = (cats || itemRepository.getCategoriesWithNewItems(date))
    }

    function resetCategoriesWithNewItems() {
        categoriesWithNewItems = null;
    }

    return {
        getCategoriesWithNewItems: getCategoriesWithNewItems,
        resetCategoriesWithNewItems: resetCategoriesWithNewItems
    };
});
}
AngularJS Unit Test: Mocked promise is resolved but method still returns a promise?

AngularJS Unit Test: Mocked promise is resolved but method still returns a promise?


By : xRose
Date : March 29 2020, 07:55 AM
To fix the issue you can do So with promises they don't return the value, they return a promise so you have to restructure your test like this:
code :
it('should return a newId', inject(function (serviceTwo) {        
    spyOn(serviceTwo, 'get').and.returnValue(deferred.promise);

    var returnedData = {data:[{newId: '95'}]};
    var retVal;

    serviceOne.getNewId('322')
        .then(function(result){
            retVal = result;
        });

    deferred.resolve(returnedData);

    $rootScope.$apply();

    expect(retVal).toBe('95');  //should pass
}));
how to get the resolved value within promise in angularjs

how to get the resolved value within promise in angularjs


By : Najm Barbar
Date : March 29 2020, 07:55 AM
it helps some times Since the function is not asynchronous, there's no need for a promise. So the correct way doing so will be:
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