Angular Analytics

// analytics.service.ts
import { Injectable } from '@angular/core'

@Injectable({
  providedIn: 'root'
})
export class AnalyticsService {
  trackEvent(eventName: string, params?: any) {
    if (window.gtag) {
      window.gtag('event', eventName, params)
    }
  }
}

// analytics.guard.ts
import { Injectable } from '@angular/core'
import { Router, NavigationEnd } from '@angular/router'

@Injectable()
export class AnalyticsGuard {
  constructor(private router: Router) {
    this.router.events.subscribe(event => {
      if (event instanceof NavigationEnd) {
        this.trackPageView(event.url)
      }
    })
  }
}