Angular $http delay/latency

http.js

/**
 * Delay all $http calls for JSON objects by 2 seconds
 * Used to introduce latency to see how things load.
 */

module.config(['$httpProvider', function ($httpProvider) {

    $httpProvider.interceptors.push([
        '$q', '$timeout',
        function ($q, $timeout) {

            var delay = 2;

            return {
                'response': function(response) {
                    var defer = $q.defer();

                    if (typeof(response.data) !== 'object') {
                        return response;
                    }

                    $timeout(function () {
                        defer.resolve(response);
                    }, delay * 1000);

                    return defer.promise;
                }
            };
        }
    ]);

}]);