Jaco Greeff
18a202c460
* Bump dev w/ eslint * Mop-up remaining lint issues * Update stringShorten expectation
22 lines
573 B
TypeScript
22 lines
573 B
TypeScript
// Copyright 2017-2020 @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 isBoolean
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* @summary Tests for a boolean value.
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* @description
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* Checks to see if the input value is a JavaScript boolean.
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* @example
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* <BR>
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*
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* ```javascript
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* import { isBoolean } from '@polkadot/util';
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*
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* isBoolean(false); // => true
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* ```
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*/
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export default function isBoolean (value: unknown): value is boolean {
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return typeof value === 'boolean';
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}
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