import { NgModule } from '@angular/core';
import { Routes, RouterModule } from '@angular/router';
import { HomeComponent } from './pages/home/home.component';
import { FeedbackComponent } from './pages/feedback/feedback.component';
import { WatchComponent } from './pages/watch/watch.component';
import { MySettingsComponent } from './pages/my-settings/my-settings.component';
import { MyArticlesComponent } from './pages/my-articles/my-articles.component';
import { PostComponent } from './pages/post/post.component';

const routes: Routes = [
    {
        path: '',
        component: HomeComponent,
    },
    {
        path: 'feedback',
        component: FeedbackComponent,
    },
    {
        path: 'watch/:id',
        component: WatchComponent,
    },
    {
        path: 'my/settings',
        component: MySettingsComponent,
    },
    {
        path: 'my/articles',
        component: MyArticlesComponent,
    },
    {
        path: 'my/post',
        component: PostComponent,
    },
    {
        path: 'my/edit/:id',
        component: PostComponent,
    },
];

@NgModule({
    imports: [RouterModule.forRoot(routes)],
    exports: [RouterModule]
})
export class AppRoutingModule { }

<script src="https://cdnjs.cloudflare.com/ajax/libs/core-js/2.4.1/shim.min.js"></script>

npm install --save-dev @types/google.analytics

    <!-- Google Analytics -->
    <script src="https://www.googletagmanager.com/gtag/js?id=UA-*********-1"></script>
</head>

import { } from 'google.analytics';

// Google Analytics の初期化コード
window[`dataLayer`] = window[`dataLayer`] || [];
function gtag(arg1, arg2) { window[`dataLayer`].push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-*********-1');

export class AppRoutingModule {
    /**
     * DIコンストラクタ
     */
    public constructor(router: Router) {

        // ルーターイベントを取得
        router.events
            // NavigationEndイベントだけにする
            .filter(e => e instanceof NavigationEnd)

            // NavigationEnd型に変換
            .map(e => e as NavigationEnd)

            // イベント購読
            .subscribe(e => {
                // トラッカーを更新
                ga('set', 'page', e.url);

                // PV送信
                ga('send', 'pageview', e.url);
            });
    }
}