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/*!
 * Chai - getOwnEnumerablePropertySymbols utility
 * Copyright(c) 2011-2016 Jake Luer <jake@alogicalparadox.com>
 * MIT Licensed
 */

/**
 * ### .getOwnEnumerablePropertySymbols(object)
 *
 * This allows the retrieval of directly-owned enumerable property symbols of an
 * object. This function is necessary because Object.getOwnPropertySymbols
 * returns both enumerable and non-enumerable property symbols.
 *
 * @param {Object} object
 * @returns {Array}
 * @namespace Utils
 * @name getOwnEnumerablePropertySymbols
 * @api public
 */

module.exports = function getOwnEnumerablePropertySymbols(obj) {
  if (typeof Object.getOwnPropertySymbols !== 'function') return [];

  return Object.getOwnPropertySymbols(obj).filter(function (sym) {
    return Object.getOwnPropertyDescriptor(obj, sym).enumerable;
  });
};

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