Edit in JSFiddle

angular.module('components', []).
  directive('tabs', function() {
    return {
      restrict: 'E',
      transclude: true,
      scope: {},
      controller: [ "$scope", function($scope) {
        var panes = $scope.panes = [];
 
        $scope.select = function(pane) {
          angular.forEach(panes, function(pane) {
            pane.selected = false;
          });
          pane.selected = true;
        }
 
        this.addPane = function(pane) {
          if (panes.length == 0) $scope.select(pane);
          panes.push(pane);
        }
      }],
      template:
        '<div class="tabbable">' +
          '<ul class="nav nav-tabs">' +
            '<li ng-repeat="pane in panes" ng-class="{active:pane.selected}">'+
              '<a href="" ng-click="select(pane)">{{pane.title}}</a>' +
            '</li>' +
          '</ul>' +
          '<div class="tab-content" ng-transclude></div>' +
        '</div>',
      replace: true
    };
  }).
  directive('pane', function() {
    return {
      require: '^tabs',
      restrict: 'E',
      transclude: true,
      scope: { title: '@' },
      link: function(scope, element, attrs, tabsCtrl) {
        tabsCtrl.addPane(scope);
      },
      template:
        '<div class="tab-pane" ng-class="{active: selected}" ng-transclude>' +
        '</div>',
      replace: true
    };
  })
<body ng-app="components">
  <h3>BootStrap Tab Component</h3>
  <tabs>
    <pane title="First Tab">
      <div>This is the content of the first tab.</div>
    </pane>
    <pane title="Second Tab">
      <div>This is the content of the second tab.</div>
    </pane>
  </tabs>
</body>

              

External resources loaded into this fiddle: