[Angular + Webpack] ocLazyLoad compoment

        $stateProvider
            .state('landing', {
                url: '/',
                views: {
                    'body@': {
                        template: '<olr-landing></olr-landing>'
                    }
                },
                resolve: {
                    loading: ['$q', '$ocLazyLoad', function ($q, $ocLazyLoad) {
                        let deferred = $q.defer();
                        require.ensure([], function () {
                            let landingModel = require('../app/landing/index.js')(ngModule);
                            $ocLazyLoad.load({
                                name: 'app'
                            });
                            deferred.resolve(landingModel);
                        });

                        return deferred.promise;
                    }]
                }
            })