@dillonkearns/elm-graphql
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Flow
/**
* 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.
*
* @flow
*/
/**
* Returns true if a value is null, undefined, or NaN.
*/
export default function isNullish(value: mixed): boolean {
return value === null || value === undefined || value !== value;
}