Isomorphic module definition

index.js

(function() {
    var root = this;
    var name = 'dcss';

    function dcss() {

    }

    var proto = {
    };


    proto.forEach(function(fn, key) {
        dcss.prototype[key] = fn;
    });

    if (typeof exports !== 'undefined') {
        if (typeof module !== 'undefined' && module.exports) {
            exports = module.exports = expose;
        }
        exports[name] = expose;
    } else {
        root[name] = expose;
    }

    if (typeof define === 'function' && define.amd) {
        define(name, [], function() {
            return dcss;
        });
    }
})();