A tiny JS framework.

klass.js

var Klass = (function() {
  var Klass = function() {};
  Klass.extend = function(constructor, props) {
    var _super = this.prototype;

    if (arguments.length < 2) {
      props = constructor;
      constructor = function(){};
    }

    if (arguments.length < 1) {
      props = {};
    }

    var proto = new this();
    var classMethods = {};
    for(var _name in props) {
      if (/^\#/.test(_name)) {
        var name = _name.replace(/^\#/, "");
        classMethods[name] = props[_name];
      } else {
        if (/^\./.test(_name)) {
          var name = _name.replace(/^\./, "");
          if (typeof props[_name] == "function") {
            proto[name] = (function(name, fn) {
              return function() {
                var tmp = this._super;
                this._super = _super[name];
                var ret = fn.apply(this, arguments);
                this._super = tmp;
                return ret;
              };
            })(name, props[_name]);
          }            
        } else {
          proto[name] = props[_name];
        }
      }
    }

    var Klass = function() {
      this.self = Klass;
      this.self.classMethods = classMethods;
      var args = Array.apply(null, arguments);
      args.unshift(this.self);
      constructor.apply(this, args);
    };
    Klass.prototype = proto;
    Klass.extend = arguments.callee;

    if (proto.self) {
      for (var name in proto.self.classMethods) {
        if (typeof proto.self.classMethods[name] == "function") {
          var newFunc = function() {
            var args = Array.apply(null, arguments);
            args.unshift(Klass);
            proto.self.classMethods[name].apply(Klass, args);
          };
          Object.defineProperty(Klass, name, { value: newFunc, writable: true });
        } else {
          Object.defineProperty(Klass, name, { value: proto.self[name], writable: true});
        }
      }
    }

    for (var name in classMethods) {
      if (typeof classMethods[name] == "function") {
        var newFunc = function() {
          var args = Array.apply(null, arguments);
          args.unshift(Klass);
          classMethods[name].apply(Klass, args);
        };
        Object.defineProperty(Klass, name, { value: newFunc, writable: true });
      } else {
        Object.defineProperty(Klass, name, { value: classMethods[name], writable: true});
      }
    }
    return Klass;
  }
  return Klass;
})();

var Tracker = Klass.extend(function(self, serial) {
  console.log("in constructor", arguments);
  console.log("in constructor still", self.shit);
  self.serialNo = serial;
},{
  "#y": "123123",
  "#shit": "x",
  "#configure": function(self, data) {
    console.log("configuring with " + data);
    self.shit = data;
  },
  ".trackFlightsDeeplink": function(data) {
    console.log("shit is " + this.self.shit);
    console.log("Flights Data ", data);
    console.log("Flights serial ", this.self.serialNo);
    console.log("Flights y", this.self.y);
  },
});

Tracker.configure("xxx");
var tracker = new Tracker('123');
Tracker.y = "yyyy";
tracker.trackFlightsDeeplink("aaa");

var Genzo = Tracker.extend({
  "#shit": "ooo",
  ".trackHotelsDeeplink": function(data) {
    console.log("hotel shit is " + this.self.shit);
    console.log("Hotels Data ", data);
    console.log("hotels yyy", this.self.y);
  }
});

var Tealium = Tracker.extend({
  ".tracksFlightsDeeplink": function(data) {
    console.log("in Tealium", data);
  }
});

var genzo = new Genzo();
genzo.trackFlightsDeeplink("bbb");
genzo.trackHotelsDeeplink("ccc");

var tealium = new Tealium();
tealium.trackFlightsDeeplink("ddd");