phodal/lettuce

/**
 * Lettuce Class 0.0.1
 * JavaScript Class built-in inheritance system
 *(c) 2015, Fengda Huang - http://www.phodal.com
 *
 * Copyright (c) 2011, 2012 Jeanine Adkisson.
 *  MIT Licensed.
 * Inspired by https://github.com/munro/self, https://github.com/jneen/pjs
 */

Lettuce.prototype.Class = (function (prototype, ownProperty) {

    var lettuceClass = function Klass(_superclass, definition) {

        function Class() {
            var self = this instanceof Class ? this : new Basic();
            self.init.apply(self, arguments);
            return self;
        }

        function Basic() {
        }

        Class.Basic = Basic;

        var _super = Basic[prototype] = _superclass[prototype];
        var proto = Basic[prototype] = Class[prototype] = new Basic();

        proto.constructor = Class;

        Class.extend = function (def) {
            return new Klass(Class, def);
        };

        var open = (Class.open = function (def) {
            if (Lettuce.isFunction(def)) {
                def = def.call(Class, proto, _super, Class, _superclass);
            }

            if (Lettuce.isObject(def)) {
                for (var key in def) {
                    if (ownProperty.call(def, key)) {
                        proto[key] = def[key];
                    }
                }
            }

            if (!('init' in proto)) {
                proto.init = _superclass;
            }

            return Class;
        });

        return (open)(definition);
    };

    return lettuceClass;

})('prototype', ({}).hasOwnProperty);