front__codeschool-angular-2/js/directives/nw-card.js

angular.module("noteWrangler")
  .directive('nwCard', function () {
    return {
      retrict: "E", // "E" is for Element.
      templateUrl: "templates/directives/nw-card.html",
      controller: function ($scope) {
        $scope.header = "Note title";
      },
    }
  });