Function transform

apps/cursor/src/lib/plugins/scan.ts:337–348

(chunk: Buffer, _encoding, callback)

  let downloaded = 0;
  return new Transform({
    transform(chunk: Buffer, _encoding, callback) {
      downloaded += chunk.length;
      if (downloaded > REPO_ARCHIVE_MAX_BYTES) {
        callback(
          new UnscannableRepoError(
            `Repository archive exceeded the ${REPO_ARCHIVE_MAX_BYTES}-byte scan limit.`,
          ),
        );
        return;
      }
      callback(null, chunk);
    },
    final(callback) {
      logInfo(tag, "GitHub archive download complete", { downloaded });
      callback();