Angular $http init: json error interceptor + POST processor

gistfile1.js

(function($) {
	var jsonErrorInterceptor = function($q) {
		return function(promise) {
			// error handler
			var triggerError = function(message) {
				if (message instanceof Array) {
					message = message[0];
				}
				console.log(message);
			};
	
			// reject when json field 'error' exists
			var success = function(response) {
				if (response.data.error || response.data.parseError) {
					triggerError(response.data.error || response.data.parseError);
					return $q.reject(response);
				}
				return response;
			}
	
			// reject on ajax errors
			var error = functin(response) {
				triggerError('Ошибка при выполнении запроса');
				return $q.reject(response);
			}

			return promise.then(success, error);
		}
	};

	var initAngular = function(module, params) {
		params = params || function() {};
		var module = angular.module(module, params);
	
		module.config(function($provide, $httpProvider) {
			$httpProvider.responseInterceptors.push(MO.Angular.jsonErrorInterceptor);
	
			// correct POST header
			$httpProvider.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded';
	
			// transform request data
			$httpProvider.defaults.transformRequest = function(data, headers) {
				if (!data) {
					return '';
				}
				// using jQuery to serialize request data
				// without jQuery check http://stackoverflow.com/questions/1714786/querystring-encoding-of-a-javascript-object
				data = $.param(data);
				return data;
			};
		});

		return module;
	};

	// usage:
	// var myModule = initAngular('myModule', []);
})(jQuery);