elasticsearch js client scroll await

scroll.js

  const options= {
      index:'index1',
      scroll: '2m',
      type:'test',
      allowNoIndices: true,
      ignoreUnavailable: true,
      body: {
         size: 100,
         from: 0
      }
  }; 

  let totalResults = 0,
      scrollId = '',
      searchResults = await esClient.search(options);

  while (searchResults.hits.total > totalResults) {
         scrollId = searchResults._scroll_id;
         searchResults.hits.hits.map(hit => {
            // do something
            totalResults++;
         });
      searchResults = await esClient.scroll({
         scrollId: scrollId,
         scroll: '2m'
      });
   }