Method to_query

lib/v2/search.js:139–147

()

  }

  to_query() {
    Object.keys(this.query_hash).forEach((k) => {
      let v = this.query_hash[k];
      if (!isNumber(v) && isEmpty(v)) {
        delete this.query_hash[k];
      }
    });
    return this.query_hash;
  }

  execute(options, callback) {
    if (callback === null) {