AngularJS - Feedster PlusOne.js

plusOne.js

app.directive('plusOne', function() {
  return {
    restrict: 'E',
    scope: {
    },
    templateUrl: 'js/directives/plusOne.html',
    link: function(like() {
      function(scope, element, attrs) {
        scope.like = function() {
          element.toggleClass('btn-like');
        }
      }
    } 
  };
  
});