22 lines
551 B
TypeScript
22 lines
551 B
TypeScript
// Copyright 2017-2019 @polkadot/util authors & contributors
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// This software may be modified and distributed under the terms
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// of the Apache-2.0 license. See the LICENSE file for details.
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/**
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* @name isNull
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* @summary Tests for a `null` values.
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* @description
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* Checks to see if the input value is `null`.
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* @example
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* <BR>
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*
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* ```javascript
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* import { isNull } from '@polkadot/util';
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*
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* console.log('isNull', isNull(null)); // => true
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* ```
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*/
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export default function isNull (value?: any): value is null {
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return value === null;
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}
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