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为了好玩，我创建了一个指令来创建标签样式导航。这是指令：

define(['angular'], function (ng) {
var directives = ng.module('directives', []);

/* top navigation tabs */
directives.directive('tabset', function () {
    return {
        restrict: 'E',
        scope: {},
        transclude: true,
        replace: true,
        templateUrl: 'common/components/directives/templates/tabset.tpl.html'
    };
})
.directive('tab', ['$location', function ($location) {
    return {
        restrict: 'E',
        replace: true,
        scope: {
            route: '@',
            title: '@'
        },
        link: function (scope, element, attrs) {
            var route = attrs.route;

            scope.location = $location;
            scope.active = false;

            scope.$watch('location.path()', function (new_route) {
                scope.active = route === new_route;
            });
        },
        templateUrl: 'common/components/directives/templates/tab.tpl.html'
    };
}]);

return directives;
});

Angular 不断抛出这个错误：

TypeError: undefined is not a function
at new ngDirective.controller (http://localhost:8080/uwr-tournament-handler/build/common/vendor/angular/angular.js:14357:5)
at invoke (http://localhost:8080/uwr-tournament-handler/build/common/vendor/angular/angular.js:3000:28)
at Object.instantiate (http://localhost:8080/uwr-tournament-handler/build/common/vendor/angular/angular.js:3012:23)
at http://localhost:8080/uwr-tournament-handler/build/common/vendor/angular/angular.js:4981:24
at http://localhost:8080/uwr-tournament-handler/build/common/vendor/angular/angular.js:4560:17
at forEach (http://localhost:8080/uwr-tournament-handler/build/common/vendor/angular/angular.js:137:20)
at nodeLinkFn (http://localhost:8080/uwr-tournament-handler/build/common/vendor/angular/angular.js:4545:11)
at compositeLinkFn (http://localhost:8080/uwr-tournament-handler/build/common/vendor/angular/angular.js:4191:15)
at compositeLinkFn (http://localhost:8080/uwr-tournament-handler/build/common/vendor/angular/angular.js:4194:13)
at compositeLinkFn (http://localhost:8080/uwr-tournament-handler/build/common/vendor/angular/angular.js:4194:13)

我不知道为什么。我没有看到任何undefined我尝试将其用作功能的东西。任何人都可以帮忙吗？

该错误是不规则的，但大多数情况下都会抛出该错误。也许它与异步加载有关？它似乎只在页面加载时发生，而不是在浏览网站时发生。

我在后台使用咕噜声。我也使用requirejs。

除此之外，它似乎可以正常工作。

tab.tpl.html：

<li data-ng-class="{active: active}">
    <a href="#{{route}}">{{title}}</a>
</li>

tabset.tpl.html：

<ul class="nav nav-tabs" ng-transclude></ul>

用法：

<tabset>
    <tab data-route="/home" data-title="Home"></tab>
    <tab data-route="/tournaments" data-title="Tournaments"></tab>
    <tab data-route="/about" data-title="About"></tab>
</tabset>
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