Function _callOnRequestSpanEnd

packages/core/src/fetch.ts:169–183

(
  span: Span,
  handlerData: HandlerDataFetch,
  spanOriginOrOptions?: SpanOrigin | InstrumentFetchRequestOptions,
)

 * Calls the onRequestSpanEnd callback if it is defined.
 */
export function _callOnRequestSpanEnd(
  span: Span,
  handlerData: HandlerDataFetch,
  spanOriginOrOptions?: SpanOrigin | InstrumentFetchRequestOptions,
): void {
  const onRequestSpanEnd =
    typeof spanOriginOrOptions === 'object' && spanOriginOrOptions !== null
      ? spanOriginOrOptions.onRequestSpanEnd
      : undefined;

  onRequestSpanEnd?.(span, {
    headers: handlerData.response?.headers,
    error: handlerData.error,
  });
}

/**
 * Builds merged fetch headers that include `sentry-trace` and `baggage` (and optionally `traceparent`)