gistfile1.txt

      var classNameFilter = $animateProvider.classNameFilter();
      var isAnimatableClassName = !classNameFilter ?
        function() { return true; } :
        function(className) {
          return classNameFilter.test(className);
        }

      var classNameFilter = $animateProvider.classNameFilter();
      var isAnimatableClassName = !classNameFilter
              ? function() { return true; }
              : function(className) {
                return classNameFilter.test(className);
              }