@wesjet/function.js/lib/guards.js

wesjet javascript library

/**
 * Copyright (c) Wesbitty, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 *
 */
export const isNotUndefined = (_) => _ !== undefined;
export const isUndefined = (_) => _ === undefined;