chain-style all

chainit.js

!function(undef){
    "use strict";
    var noConflict = null;
    
    var chn = function(obj){
        return new wrapperCtor(obj);
    };
    
    chn.noConflict = function(){
        if (noConflict){
            window._0 = noConflict;
        }
        
        return chn;
    };
    
    var wrappers = {
        func: function(context, propName){
            return function(){
                var ret = context[propName].apply(context, arguments);
                    
                // if no return value, return myself
                if (ret === undef){
                    return this;
                }
                return ret;
            };
        },
        prop: function(context, propName){
            return function(value){
                if (value === undef){
                    return context[propName];
                }
                else{
                    context[propName] = value;
                    return this;
                }
            };
        }
    };
    
    /**
     * Wrapper Private Methods
     */
    var wrapperPrvt = {
        /**
         * @function init
         * Copy over all members from obj and create corresponding chain-style
         * wrapping function.
         */
        init: function(obj, enableYield){
            this._0_target = obj;
            var type;
            for(var name in obj){
                type = Object.prototype.toString.call(obj[name]).toUpperCase();
                if (type.indexOf('FUNCTION') > 0){
                    this[name] = wrappers.func(obj, name);
                }
                else{
                    this[name] = wrappers.prop(obj, name);
                }
            }
        }
    };
    
    var wrapperCtor = function(obj, enableYield){
        wrapperPrvt.init.call(this, obj, enableYield);
    };
    
    wrapperCtor.prototype = {
        _0_rebuild: function(){
            wrapperPrvt.init.call(this, this._0_target);
            return this;
        }
    };
    
    
    // shorthand method
    if (window._0 != null){
        noConflict = window._0;
    }
    
    window._0 = chn;
    window.chainit = chn;
}();