Building remote version of local JavaScript [hidden] "class"

gistfile1.js

var Socket = require('src/backend/io/Socket.js');

/** RemoteSocket */
function RemoteSocket(socket) {
    debug.assert(socket).is('object');
    debug.assert(socket.$id).is('uuid');
    debug.assert(socket.worker).is('string');
    debug.assert(socket.id).is('string');

    this._$id = socket.$id;
    this._worker = socket.worker;
    this._id = socket.id;

}

/** Build methods for RemoteSocket prototype */
function build_remote_socket_methods() {
    ARRAY(Object.keys(Socket.prototype)).forEach(function create_method(method_name) {
        RemoteSocket.prototype[method_name] = function method_wrapper() {
            var self = this;
            var args = Array.prototype.slice.call(arguments);
            debug.assert(self._worker).is('string');
            debug.assert(self._$id).is('uuid');
            return WORKERS.fetch(self._worker).then(function(w) {
                var url = 'http://' + w.hostname + ':' + w.port + '/api/internal/exec';
                return internal_exec(url, function(context) {
                    var args = '?';
                    var $id = args.shift();
                    return context.cache.get_local_socket($id).then(function(socket) {
                        return socket.apply(undefined, args);
                    });
                }, [self._$id].concat(args));
            });
        };
    });
}

// ..and actually build these here.
build_remote_socket_methods();