Class TraceService

packages/angular/src/tracing.ts:72–237

 */
@Injectable({ providedIn: 'root' })
export class TraceService implements OnDestroy {
  public navStart$: Observable<Event> = this._router.events.pipe(
    filter((event): event is NavigationStart => event instanceof NavigationStart),
    tap(navigationEvent => {
      if (!instrumentationInitialized) {
        IS_DEBUG_BUILD &&
          debug.error('Angular integration has tracing enabled, but Tracing integration is not configured');
        return;
      }

      if (this._routingSpan) {
        this._routingSpan.end();
        this._routingSpan = null;
      }

      const client = getClient();
      const strippedUrl = stripUrlQueryAndFragment(navigationEvent.url);

      if (client) {
        // see comment in `_isPageloadOngoing` for rationale
        if (!this._isPageloadOngoing()) {
          runOutsideAngular(() => {
            startBrowserTracingNavigationSpan(client, {
              name: strippedUrl,
              attributes: {
                [SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: 'auto.navigation.angular',
                [SEMANTIC_ATTRIBUTE_SENTRY_SOURCE]: 'url',
              },
            });
          });
        } else {
          // The first time we end up here, we set the pageload flag to false
          // Subsequent navigations are going to get their own navigation root span
          // even if the pageload root span is still ongoing.
          this._pageloadOngoing = false;
        }

        this._routingSpan =
          runOutsideAngular(() =>
            startInactiveSpan({
              name: `${navigationEvent.url}`,
              op: ANGULAR_ROUTING_OP,
              attributes: {
                [SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: 'auto.ui.angular',
                [SEMANTIC_ATTRIBUTE_SENTRY_SOURCE]: 'url',
                url: strippedUrl,
                ...(navigationEvent.navigationTrigger && {
                  navigationTrigger: navigationEvent.navigationTrigger,
                }),
              },
            }),
          ) || null;

        return;
      }
    }),
  );