Ramda Adjunct 2.31.0

isError.js

import { type, identical, pipe, curryN } from 'ramda';

/**
 * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`, `SyntaxError`, `TypeError` or `URIError` object.
 *
 * @func isError
 * @category Type
 * @memberOf RA
 * @since {@link https://char0n.github.io/ramda-adjunct/2.30.0|v2.30.0}
 * @sig * -> Boolean
 * @param {*} val The value to test
 * @return {boolean} Returns `true` if value is an error object, `false` otherwise
 * @example
 *
 * RA.isError(new Error()); //=> true
 * RA.isError(Error); //=> false
 * RA.isError(1); // => false
 */
const isError = curryN(1, pipe(type, identical('Error')));

export default isError;