atomic-algolia/lib/utils/idsFromIndex.js

An NPM package for running atomic updates to an Algolia index

"use strict";

module.exports = function idsFromIndex(index) {
  return index.reduce(function (hits, hit) {
    if (hit !== null && hit !== undefined) {
      return hits.concat(hit);
    }
  }, []).reduce(function (hits, hit) {
    if (hit.objectID !== null && hit.objectID !== undefined) {
      var id = String(hit.objectID);
      return hits.concat(id);
    } else {
      debug("Missing object id, ignored hit: %o", hit);
      return hits;
    }
  }, []).sort();
};