node_modules.graphql.jsutils.orList.mjs Maven / Gradle / Ivy

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/**
 * Copyright (c) 2015-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 *  strict
 */

var MAX_LENGTH = 5;

/**
 * Given [ A, B, C ] return 'A, B, or C'.
 */
export default function orList(items) {
  var selected = items.slice(0, MAX_LENGTH);
  return selected.reduce(function (list, quoted, index) {
    return list + (selected.length > 2 ? ', ' : ' ') + (index === selected.length - 1 ? 'or ' : '') + quoted;
  });
}