Jaco Greeff
18a202c460
* Bump dev w/ eslint * Mop-up remaining lint issues * Update stringShorten expectation
23 lines
678 B
TypeScript
23 lines
678 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 isString
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* @summary Tests for a string.
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* @description
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* Checks to see if the input value is a JavaScript string.
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* @example
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* <BR>
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*
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* ```javascript
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* import { isString } from '@polkadot/util';
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*
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* console.log('isString', isString('test')); // => true
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* ```
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*/
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// eslint-disable-next-line @typescript-eslint/ban-types
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export default function isString (value: unknown): value is string | String {
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return typeof value === 'string' || value instanceof String;
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}
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