Benutzerdefinierter globaler ErrorHandler für unbehandelte Ausnahmen

import { ErrorHandler, Injectable, NgZone, inject } from '@angular/core';
import { HttpErrorResponse } from '@angular/common/http';
import { NotificationService } from './notification.service';
 
@Injectable()
export class GlobalLoggingErrorHandler implements ErrorHandler {
  private readonly zone = inject(NgZone);
  private readonly notifier = inject(NotificationService);
 
  handleError(error: unknown): void {
    const timestamp = new Date().toISOString();
    const errorDetails = error instanceof HttpErrorResponse
      ? `HTTP ${error.status}: ${error.message}`
      : error instanceof Error ? error.stack ?? error.message : String(error);
 
    console.error(`[${timestamp}] Uncaught Error:`, errorDetails);
 
    this.zone.run(() => {
      this.notifier.showToast('An unexpected application error occurred.');
    });
  }
}