feat(invitations): add directive of vipFlag to show user`s VIP flag

modules/users/client/directives/vip-flag.client.directive.js

@@ -0,0 +1,37 @@
+(function () {
+  'use strict';
+
+  angular.module('users')
+    .directive('vipFlag', vipFlag);
+
+  vipFlag.$inject = ['$compile', '$translate'];
+
+  function vipFlag($compile, $translate) {
+    var directive = {
+      restrict: 'A',
+      link: link
+    };
+
+    return directive;
+
+    function link(scope, element, attrs) {
+      scope.$watch(attrs.vipFlag, function (s) {
+        if (s) {
+          var user = s;
+          var title = $translate.instant('USER_IS_VIP', {name: user.displayName});
+          var cls = attrs.vipClass;
+
+          var e = angular.element('<span class="vip-flag" ng-click="$event.stopPropagation();" ng-if="user.isVip"><kbd>VIP</kbd></span>');
+
+          if (e) {
+            e.addClass(cls ? cls : '');
+            e.attr('title', title);
+
+            element.html(e);
+            $compile(element.contents())(scope);
+          }
+        }
+      });
+    }
+  }
+}());