react-bootstrap-typeahead/es/utils/getTruncatedOptions.js

/**
 * Truncates the result set based on `maxResults` and returns the new set.
 */
function getTruncatedOptions(options, maxResults) {
  if (!maxResults || maxResults >= options.length) {
    return options;
  }

  return options.slice(0, maxResults);
}

export default getTruncatedOptions;