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ngx-matomo

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Matomo (aka. Piwik) web analytics for Angular applications.

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import { Injectable, Inject } from '@angular/core'; import { NavigationEnd, NavigationStart } from '@angular/router'; import { filter, map, pairwise } from 'rxjs/operators'; import { isNonNull } from '../helpers'; import { MATOMO_CONFIGURATION } from './matomo-configuration'; import * as i0 from "@angular/core"; import * as i1 from "./matomo-tracker.service"; import * as i2 from "@angular/router"; /** * Service for tracking route changes. * * @export */ export class MatomoRouteTracker { /** * Creates an instance of MatomoRouteTracker. * * @param configuration Matomo configuration provided by DI. * @param matomoTracker Instance of MatomoTracker provided by DI. * @param router Instance of Router provided by DI. * @param activatedRoute Instance of ActivatedRoute provided by DI. */ constructor(configuration, matomoTracker, router, activatedRoute) { this.configuration = configuration; this.matomoTracker = matomoTracker; this.router = router; this.activatedRoute = activatedRoute; } /** * Starts tracking route changes. * Matomo DocumentTitle will be set with `data.matomoTitle` of your routes. * * This service shall not be used directly within an application. */ startTracking() { this.subscription = this.router.events .pipe(filter((event) => event instanceof NavigationStart || event instanceof NavigationEnd), map((event) => ({ timestamp: new Date().getTime(), event })), pairwise(), filter(([a, b]) => a.event instanceof NavigationStart && b.event instanceof NavigationEnd)) .subscribe({ next: ([start, end]) => { let currentRoute = this.activatedRoute.root; while (currentRoute.firstChild) { currentRoute = currentRoute.firstChild; } // Set referrer if it exists if (this.previousPageUrl) { this.matomoTracker.setReferrerUrl(this.previousPageUrl); } // Track current page if (!!currentRoute.snapshot.data['matomoTitle'] || !!currentRoute.snapshot.title) { this.matomoTracker.setDocumentTitle(currentRoute.snapshot.data['matomoTitle'] ?? currentRoute.snapshot.title); } this.matomoTracker.setCustomUrl(window.location.href); // Remove all previously assigned custom variables // (requires Matomo (formerly Piwik) 3.0.2+) this.matomoTracker.deleteCustomVariables('page'); this.matomoTracker.setGenerationTimeMs(end.timestamp - start.timestamp); this.matomoTracker.trackPageView(); // Set previous route URL this.previousPageUrl = window.location.href; // Make Matomo aware of newly added content this.configuration?.routeTracking?.contentIds ?.map(document.getElementById) ?.filter(isNonNull) ?.forEach((content) => { // TODO To be implemented when Media Analytics will be supported. // this.matomoTracker.scanForMedia(content); // TODO To be implemented when Form Analytics will be supported. // this.matomoTracker.scanForForms(content); this.matomoTracker.trackContentImpressionsWithinNode(content); }); if (this.configuration.trackLinks === true) { this.matomoTracker.enableLinkTracking(this.configuration.trackLinkValue); } }, }); } /** * Stops tracking route changes. */ stopTracking() { if (!!this.subscription) { this.subscription.unsubscribe(); this.subscription = undefined; } } /** * Angular OnDestroy lifecycle hook. */ ngOnDestroy() { this.stopTracking(); } static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.3", ngImport: i0, type: MatomoRouteTracker, deps: [{ token: MATOMO_CONFIGURATION }, { token: i1.MatomoTracker }, { token: i2.Router }, { token: i2.ActivatedRoute }], target: i0.ɵɵFactoryTarget.Injectable }); } static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.1.3", ngImport: i0, type: MatomoRouteTracker }); } } i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.3", ngImport: i0, type: MatomoRouteTracker, decorators: [{ type: Injectable }], ctorParameters: function () { return [{ type: undefined, decorators: [{ type: Inject, args: [MATOMO_CONFIGURATION] }] }, { type: i1.MatomoTracker }, { type: i2.Router }, { type: i2.ActivatedRoute }]; } }); //# 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{ Injectable, Inject, OnDestroy } from '@angular/core';\nimport { ActivatedRoute, NavigationEnd, NavigationStart, Router } from '@angular/router';\n\nimport { Subscription } from 'rxjs';\nimport { filter, map, pairwise } from 'rxjs/operators';\n\nimport { isNonNull } from '../helpers';\nimport { MatomoConfiguration, MATOMO_CONFIGURATION } from './matomo-configuration';\nimport { MatomoTracker } from './matomo-tracker.service';\n\n/**\n * Service for tracking route changes.\n *\n * @export\n */\n@Injectable()\nexport class MatomoRouteTracker implements OnDestroy {\n  /**\n   * Previous route url of matomo route tracker.\n   */\n  private previousPageUrl?: string;\n  /**\n   * Subscription for managing route events.\n   */\n  private subscription?: Subscription;\n\n  /**\n   * Creates an instance of MatomoRouteTracker.\n   *\n   * @param configuration Matomo configuration provided by DI.\n   * @param matomoTracker Instance of MatomoTracker provided by DI.\n   * @param router Instance of Router provided by DI.\n   * @param activatedRoute Instance of ActivatedRoute provided by DI.\n   */\n  constructor(\n    @Inject(MATOMO_CONFIGURATION) private readonly configuration: MatomoConfiguration,\n    private readonly matomoTracker: MatomoTracker,\n    private readonly router: Router,\n    private readonly activatedRoute: ActivatedRoute\n  ) {}\n\n  /**\n   * Starts tracking route changes.\n   * Matomo DocumentTitle will be set with `data.matomoTitle` of your routes.\n   *\n   * This service shall not be used directly within an application.\n   */\n  startTracking(): void {\n    this.subscription = this.router.events\n      .pipe(\n        filter((event) => event instanceof NavigationStart || event instanceof NavigationEnd),\n        map((event) => ({ timestamp: new Date().getTime(), event })),\n        pairwise(),\n        filter(([a, b]) => a.event instanceof NavigationStart && b.event instanceof NavigationEnd)\n      )\n      .subscribe({\n        next: ([start, end]) => {\n          let currentRoute = this.activatedRoute.root;\n          while (currentRoute.firstChild) {\n            currentRoute = currentRoute.firstChild;\n          }\n          // Set referrer if it exists\n          if (this.previousPageUrl) {\n            this.matomoTracker.setReferrerUrl(this.previousPageUrl);\n          }\n          // Track current page\n          if (!!currentRoute.snapshot.data['matomoTitle'] || !!currentRoute.snapshot.title) {\n            this.matomoTracker.setDocumentTitle(\n              currentRoute.snapshot.data['matomoTitle'] ?? currentRoute.snapshot.title\n            );\n          }\n          this.matomoTracker.setCustomUrl(window.location.href);\n          // Remove all previously assigned custom variables\n          // (requires Matomo (formerly Piwik) 3.0.2+)\n          this.matomoTracker.deleteCustomVariables('page');\n          this.matomoTracker.setGenerationTimeMs(end.timestamp - start.timestamp);\n          this.matomoTracker.trackPageView();\n          // Set previous route URL\n          this.previousPageUrl = window.location.href;\n\n          // Make Matomo aware of newly added content\n          this.configuration?.routeTracking?.contentIds\n            ?.map(document.getElementById)\n            ?.filter(isNonNull)\n            ?.forEach((content) => {\n              // TODO To be implemented when Media Analytics will be supported.\n              // this.matomoTracker.scanForMedia(content);\n              // TODO To be implemented when Form Analytics will be supported.\n              // this.matomoTracker.scanForForms(content);\n              this.matomoTracker.trackContentImpressionsWithinNode(content);\n            });\n\n          if (this.configuration.trackLinks === true) {\n            this.matomoTracker.enableLinkTracking(this.configuration.trackLinkValue);\n          }\n        },\n      });\n  }\n\n  /**\n   * Stops tracking route changes.\n   */\n  stopTracking(): void {\n    if (!!this.subscription) {\n      this.subscription.unsubscribe();\n      this.subscription = undefined;\n    }\n  }\n\n  /**\n   * Angular OnDestroy lifecycle hook.\n   */\n  ngOnDestroy(): void {\n    this.stopTracking();\n  }\n}\n"]}