Embedding gist with Angular 1

gistfile1.txt

blogApp.directive('gistDirective', function() {
    return function(scope, element, attrs) {
        scope.$watch('blogItem', function(){
            angular.element('[data-gist-id]').gist();
        });

    }
});

//then
<section gist-directive>
      <article>
          <div ng-bind-html="trustBlogHtml(blogItem.body)"></div>
      </article>