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565 BJavaScriptView Raw
1"use strict";
2Object.defineProperty(exports, "__esModule", { value: true });
3exports.isError = void 0;
4/**
5 * @name isError
6 * @summary Tests for a `Error` object instance.
7 * @description
8 * Checks to see if the input object is an instance of `Error`.
9 * @example
10 * <BR>
11 *
12 * ```javascript
13 * import { isError } from '@polkadot/util';
14 *
15 * console.log('isError', isError(new Error('message'))); // => true
16 * ```
17 */
18function isError(value) {
19 return (((value && value.constructor) === Error) ||
20 value instanceof Error);
21}
22exports.isError = isError;