1/**
2 * Copyright (c) 2015-present, Facebook, Inc.
3 *
4 * This source code is licensed under the MIT license found in the
5 * LICENSE file in the root directory of this source tree.
6 *
7 *  strict
8 */
9
10var MAX_LENGTH = 5;
11
12/**
13 * Given [ A, B, C ] return 'A, B, or C'.
14 */
15export default function orList(items) {
16  var selected = items.slice(0, MAX_LENGTH);
17  return selected.reduce(function (list, quoted, index) {
18    return list + (selected.length > 2 ? ', ' : ' ') + (index === selected.length - 1 ? 'or ' : '') + quoted;
19  });
20}