The parameter 'data' does not have a defined value in the transformation request within the $httpProvider

I am attempting to create a request transformation using the $httpProvider in this manner:

    angular.module('myApp')
        .config(function ($httpProvider,
                          requestNotificationProvider) {
            $httpProvider
                .defaults
                .transformRequest
                .push(function (data) {
                    requestNotificationProvider
                        .fireRequestStarted(data);
                    return data;
                });
});

The requestNotificationProvider is designed to execute certain actions, but during debugging, 'data' parameter is showing as undefined in every ajax request. I am trying to access information about the current ajax request.

Is there something incorrect with this code?

javascriptajaxangularjsangular-http

Answer №1

In order to modify the data object passed with a request in AngularJS, you can use the transformRequest function. However, if you need to manipulate the actual request itself, you will need to utilize $http interceptors.

For more information on $http interceptors, you can visit: https://docs.angularjs.org/api/ng/service/$http

$httpProvider.interceptors.push(function($q) {
  return {
   'request': function(config) {
       // Implement request manipulation here
    },

    'response': function(response) {
       // Implement response manipulation here
    }
  };
});

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