Function _wrapFetch

packages/browser/src/integrations/httpclient.ts:283–302

* Wraps `fetch` function to capture request and response data

(client: Client, options: HttpClientOptions)

 * Wraps `fetch` function to capture request and response data
 */
function _wrapFetch(client: Client, options: HttpClientOptions): void {
  if (!supportsNativeFetch()) {
    return;
  }

  addFetchInstrumentationHandler(handlerData => {
    if (getClient() !== client) {
      return;
    }

    const { response, args, error, virtualError } = handlerData;
    const [requestInfo, requestInit] = args as [RequestInfo, RequestInit | undefined];

    if (!response) {
      return;
    }

    _fetchResponseHandler(options, requestInfo, response as Response, requestInit, error || virtualError);
  }, false);
}

/**
 * Wraps XMLHttpRequest to capture request and response data