a.js

  let startIndex = 0;
  const pageSize = 200;
  let promises = [];

  while (startIndex < watches.length) {

    promises.push(AlmApi.query('/artifact/', {
      query: buildUUIDQuery(uuids.slice(startIndex, startIndex + pageSize)),
      fetch: fetchFields,
      pagesize: pageSize
    }));

    startIndex += pageSize;
  }

  return Promise.all(promises).then((responses) => {
    responses = _(responses).pluck('results').flatten().value();
    // flattened responses
  });