Number field not displaying data about angular-form-gen HOT 1 OPEN

angular.module('fg').directive('fgInputNumber', function() {
  return {
   require: 'ngModel',
   link: function(scope, element, attr, ctrl) {
      ctrl.$formatters.push(function(inputValue) {
          if (typeof inputValue == 'number') {
              ctrl.$setValidity('fgInputNumber', true);
              return inputValue.toString();
          }
          if( angular.isNumber(inputValue) ){
              ctrl.$setValidity('fgInputNumber', true);
          }
          return inputValue;
      });
   }
 };
});