Function trackRequestStream

lib/adapters/fetch.js:327–338

(stream, onProgress, flush)

        hasMaxBodyLength && (utils.isReadableStream(data) || utils.isStream(data));

      const trackRequestStream = (stream, onProgress, flush) =>
        trackStream(
          stream,
          DEFAULT_CHUNK_SIZE,
          (loadedBytes) => {
            if (hasMaxBodyLength && loadedBytes > maxBodyLength) {
              throw (pendingBodyError = maxBodyLengthError());
            }
            onProgress && onProgress(loadedBytes);
          },
          flush
        );

      if (
        supportsRequestStream &&