Iterator payload

gistfile1.txt

 iterable: function(collection,eachfunc,finish){
            if(!collection || !eachfunc) return;
            //handles management of next call for collection,be it arrays or objects
            var len,keys,self = this,isArray = false;
            if(this.isObject(collection)){ keys = this.keys(collection); len = keys.length; }
            if(this.isArray(collection)){ isArray = true; len = collection.length;}

            eachfunc.collection = collection;
            eachfunc.size = len;
            eachfunc.__ri__ = len - 1;
            eachfunc.pos = 0;
            eachfunc.finish = finish;
            eachfunc.item = null;
            eachfunc.next = function(){
               var item,key;
               if(!isArray) key = keys[eachfunc.pos]; item = eachfunc.collection[key];
               if(isArray) key = eachfunc.pos; item = eachfunc.collection[key];

               if(eachfunc.pos >= eachfunc.size){
                  if(eachfunc.finish) eachfunc.finish(eachfunc.item,key,eachfunc.collection);
                  return false;
               }
   
               eachfunc.pos++;
               if(!item) return false;
               
               eachfunc.item = item;
               eachfunc(item,key,eachfunc.collection);
               return item;
            };
            
            return eachfunc;
         },