opusdev/vector-similarity-api

1/*!2 * is-extglob <https://github.com/jonschlinkert/is-extglob>3 *4 * Copyright (c) 2014-2016, Jon Schlinkert.5 * Licensed under the MIT License.6 */7 8module.exports = function isExtglob(str) {9  if (typeof str !== 'string' || str === '') {10    return false;11  }12 13  var match;14  while ((match = /(\\).|([@?!+*]\(.*\))/g.exec(str))) {15    if (match[2]) return true;16    str = str.slice(match.index + match[0].length);17  }18 19  return false;20};21