AngularJS 1.5.x

var app = angular.module('plunker', []);

app.controller('MainCtrl', ['$http', '$scope', function($http, $scope) {

  $scope.name = 'World';


  var res = $http({
    method: 'get',
    url: 'https://randomuser.me/api'
  }).then(function(response) {
    console.log('user: ', response);
    $scope.user = response.data;
  });

}]);

<!DOCTYPE html>
<html ng-app="plunker">

  <head>
    <meta charset="utf-8" />
    <title>AngularJS Plunker</title>
    <script>document.write('<base href="' + document.location + '" />');</script>
    <link rel="stylesheet" href="style.css" />
    <script data-require="angular.js@1.5.x" src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.10/angular.min.js" data-semver="1.5.10"></script>
    <script src="app.js"></script>
    <script src="list.directive.js"></script>
  </head>

  <body ng-controller="MainCtrl">
    <p>Hello {{name}}!</p>
    
    <list input="$scope.user"></list>
    <list input="'some empty string'"></list>
  </body>

</html>

/* Put your css in here */

// https://randomuser.me/api


app.directive('list', function($http) {
  
  return {
      restrict: 'EA',
      templateUrl: 'list.html',
      controller: listCtrl,
      scope: {
        input: '='
      }
  }; 
  
  function listCtrl($scope) {
    this.input = $scope.input;
  }
});

<h2>Dump</h2>
<pre>{{input || 'no data here'}}</pre>