12345678910111213141516171819
/** * Converts `map` to its key-value pairs. * * @private * @param {Object} map The map to convert. * @returns {Array} Returns the key-value pairs. */function mapToArray(map) {  var index = -1,      result = Array(map.size);
  map.forEach(function(value, key) {    result[++index] = [key, value];  });  return result;}
export default mapToArray;