Files
common/packages/util/src/is/error.ts
T
Jaco Greeff 18a202c460 Bump dev w/ eslint (#603)
* Bump dev w/ eslint

* Mop-up remaining lint issues

* Update stringShorten expectation
2020-05-23 14:23:13 +02:00

24 lines
657 B
TypeScript

// Copyright 2017-2020 @polkadot/util authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
import isInstanceOf from './instanceOf';
/**
* @name isError
* @summary Tests for a `Error` object instance.
* @description
* Checks to see if the input object is an instance of `Error`.
* @example
* <BR>
*
* ```javascript
* import { isError } from '@polkadot/util';
*
* console.log('isError', isError(new Error('message'))); // => true
* ```
*/
export default function isError (value: unknown): value is Error {
return isInstanceOf(value, Error);
}