app/constants/environment-constants.js

/**
 * A module with constants for the REST API
 *
 * @module app/constants
 * @exports app/constants
 *
 */

window.angular && (function (angular) {
    'use strict';

    angular
        .module('app.constants')
        .constant('EnvironmentConstants', {
            'inDevelopmentMode': true,
            'RestConstants': {
            },
            FLASH_MESSAGE : {
              duration: 2000,
              classes: {
                warning: 'message-warning',
                info: 'message-info',
                error: 'message-error',
                success: 'message-success'
              }
            }
        });

})(window.angular);