function search()

in _/js/search-ui.js [294:340]

• 44 lines of code
• 5 McCabe index (conditional complexity)

  function search (index, documents, queryString) {
    // execute an exact match search
    let query;
    let result = filter(
      index.query(function (lunrQuery) {
        const parser = new globalThis.lunr.QueryParser(queryString, lunrQuery);
        parser.parse();
        query = lunrQuery;
      }),
      documents
    );
    if (result.length > 0) {
      return result
    }
    // no result, use a begins with search
    result = filter(
      index.query(function (lunrQuery) {
        lunrQuery.clauses = query.clauses.map((clause) => {
          if (clause.presence !== globalThis.lunr.Query.presence.PROHIBITED) {
            clause.term = clause.term + '*';
            clause.wildcard = globalThis.lunr.Query.wildcard.TRAILING;
            clause.usePipeline = false;
          }
          return clause
        });
      }),
      documents
    );
    if (result.length > 0) {
      return result
    }
    // no result, use a contains search
    result = filter(
      index.query(function (lunrQuery) {
        lunrQuery.clauses = query.clauses.map((clause) => {
          if (clause.presence !== globalThis.lunr.Query.presence.PROHIBITED) {
            clause.term = '*' + clause.term + '*';
            clause.wildcard = globalThis.lunr.Query.wildcard.LEADING | globalThis.lunr.Query.wildcard.TRAILING;
            clause.usePipeline = false;
          }
          return clause
        });
      }),
      documents
    );
    return result
  }