Invoking a function from $get in Provider modules leads to a TypeError

This is my service provider.

App.provider('cloudinaryService', function(CloudinaryProvider){

function setCloudinaryDetails(cloudinaryInfo){
    CloudinaryProvider.configure({
        cloud_name: cloudinaryInfo.cloud_name,
        api_key: cloudinaryInfo.api_key
    });
}

this.$get = function($http){
    return {
            initialize: function(){
            return $http.get('path/to/api').then(function(response){
                setCloudinaryDetails(response.data);
            });
        }
    };
};

});

The call to the initialize function is made in the application configuration module

App.config(function(cloudinaryServiceProvider){
cloudinaryServiceProvider.initialize();

});

Error Message:

[$injector:modulerr] The App module failed to instantiate due to: TypeError: cloudinaryServiceProvider.initialize is not a function

Answer №1

Cause:

The issue arises from attempting to inject the cloudinaryDetailsProvider "provider", but the method initialize is not actually defined on the provider itself; rather, it is defined on the instance.

Suggested Solution:

To resolve this, you need to obtain a reference to the cloudinaryDetails "instance" instead of the provider. This can be achieved by creating a run block and injecting the instance directly.

App.run(function(cloudinaryDetails){
  cloudinaryDetails.initialize();
});

Further information on how providers function can be found in the AngularJS documentation.

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