is-error-constructor

Check if a value is an error constructor

Install

$ npm install is-error-constructor

Usage

import isErrorConstructor from 'is-error-constructor';

isErrorConstructor(Error);
//=> true

isErrorConstructor(RangeError);
//=> true

function FakeError() {}
isErrorConstructor(FakeError);
//=> false

class UnicornError extends Error {}
isErrorConstructor(UnicornError);
//=> true

Related

• is - Type check values

cjser

This package is a CommonJS-compatible build generated by cjser for projects that still need require() support. The source version matches the original npm package version, with a cjser prerelease suffix for this generated build. Original repository: https://github.com/sindresorhus/is-error-constructor