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Is jest-extended ESM-only? Can you require() it?

Additional Jest matchers

Last verified Sep 9, 2026 against jest-extended@7.0.0. JSON

CommonJS CommonJS — require() works on every Node.js version

jest-extended ships CommonJS only. require("jest-extended") works everywhere. import "jest-extended" also works because Node.js and Bun can import CommonJS from ES modules, but only the default export is guaranteed; named imports depend on Node's static analysis of the module.

Latest
7.0.0 (Nov 5, 2025)
Module format
CommonJS
Last CommonJS version
7.0.0
TypeScript types
Bundled
Node engines
^20.9.0 || ^22.11.0 || ^24.11.0 || >=25.0.0
Weekly downloads
1.6M
License
MIT

Does jest-extended@7.0.0 actually load? Runtime test results

Installed and executed on Sep 9, 2026 with require("jest-extended") from a CommonJS file and import "jest-extended" from an ES module.

Runtimerequire("jest-extended")import "jest-extended"
Node.js 18✓ works✓ works
Node.js 20✓ works✓ works
Node.js 22✓ works✓ works
Node.js 24✓ works✓ works
Node.js 26✓ works✓ works
Bun 1.4✓ works✓ works

How to import jest-extended

ES modules (import)

import jestExtended from "jest-extended";

Named imports from a CommonJS package only work when Node.js can statically detect them. If a named import fails, use the default import and destructure.

CommonJS (require)

const jestExtended = require("jest-extended");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (46 versions; the newest 46 shown).

VersionsFormatFirst published
0.0.1 – 7.0.0CommonJSOct 20, 2017

Frequently asked

Is jest-extended ESM-only?

jest-extended@7.0.0 is a CommonJS package. jest-extended ships CommonJS only. require("jest-extended") works everywhere. import "jest-extended" also works because Node.js and Bun can import CommonJS from ES modules, but only the default export is guaranteed; named imports depend on Node's static analysis of the module.

Can I import jest-extended with ES module syntax?

Yes. import jestExtended from "jest-extended" works in Node.js and Bun because they support importing CommonJS modules. Named imports work only when Node.js can statically detect the exports.

Does jest-extended work in Bun?

Yes. import "jest-extended" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does jest-extended ship TypeScript types?

Yes. jest-extended bundles its own type declarations; no @types package is needed.

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