Function jsonpInterceptorFn

packages/common/http/src/jsonp.ts:302–312

(
  req: HttpRequest<unknown>,
  next: HttpHandlerFn,
)

 * Identifies requests with the method JSONP and shifts them to the `JsonpClientBackend`.
 */
export function jsonpInterceptorFn(
  req: HttpRequest<unknown>,
  next: HttpHandlerFn,
): Observable<HttpEvent<unknown>> {
  if (req.method === 'JSONP') {
    return inject(JsonpClientBackend).handle(req as HttpRequest<never>);
  }

  // Fall through for normal HTTP requests.
  return next(req);
}

/**
 * Identifies requests with the method JSONP and