forwarder/src/forwarder.js

Forwarding of messages to different objects (mostly properties of the receiver)

// Generated by CoffeeScript 1.4.0
(function() {
  var _forward,
    __slice = [].slice;

  _forward = exports.forward = function(obj, message, _arg) {
    var as, target, to, wth;
    to = _arg.to, as = _arg.as, wth = _arg["with"];
    if (!to) {
      throw new TypeError("missing keyword arg to:");
    }
    if (as == null) {
      as = message;
    }
    if (wth == null) {
      wth = [];
    }
    target = obj[to];
    if (typeof target === typeof Function) {
      target = target.call(obj);
    }
    if (as === '[]') {
      return obj[message] = function() {
        var args;
        args = 1 <= arguments.length ? __slice.call(arguments, 0) : [];
        args = wth.concat(args);
        return target[args];
      };
    } else {
      return obj[message] = function() {
        var args;
        args = 1 <= arguments.length ? __slice.call(arguments, 0) : [];
        args = wth.concat(args);
        return target[as].apply(target, args);
      };
    }
  };

  exports.Forwarder = (function() {

    function Forwarder() {}

    Forwarder.prototype.forward = function(message, _arg) {
      var as, to, wth;
      to = _arg.to, as = _arg.as, wth = _arg["with"];
      return _forward(this, message, {
        to: to,
        as: as,
        "with": wth
      });
    };

    return Forwarder;

  })();

}).call(this);