angular interceptor

my_log.interceptor.ts

export const BYPASS_LOG = new HttpContextToken(() => false);

export class MyLogInterceptor implements HttpInterceptor {
  intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
    if (req.context.get(BYPASS_LOG) === true)
      return next.handle(req);

    console.log(`req to ${req.url}`);

    return next.handle(req);
  }
}