function _getLabelCategoryVisibility(welList, sCategory){
            var welItem;
            var bHidden = true;
            var waCategoryItems = welList.find('li[data-category="' + sCategory +'"]');

            waCategoryItems.each(function(i, el){
                welItem = $(el);

                if(typeof welItem.data("value") !== "undefined"){
                    bHidden = bHidden && (welItem.css("display") === "none");
                }
            });

            if(bHidden){
                waCategoryItems.hide();
            }

            return !bHidden;
        }
Hide category itself if all items are invisible

@param {Wrapped Element} welList Target Label List
@param {String} sCategory CategoryName

@return {Boolean} Returns does category visible