ion/json; charset=utf-8');
        xhr.onload = function () {
          if (xhr.status === 200) {
            fuse = new Fuse(JSON.parse(xhr.response.toString('utf-8')), {
              keys: sectionType.includes('publication') ? ['title', 'abstract'] : 
                searchContent ? ['title', 'description', 'content'] : ['title', 'description'],
              includeMatches: enableSearchHighlight,
              shouldSort: true, // default: true
              threshold: searchThreshold ? searchThreshold 