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Is adm-zip ESM-only? Can you require() it?

Javascript implementation of zip for nodejs with support for electron original-fs. Allows user to create or extract zip files both in memory or to/from disk

Last verified Sep 9, 2026 against adm-zip@0.6.0. JSON

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

adm-zip ships CommonJS only. require("adm-zip") works everywhere. import "adm-zip" 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
0.6.0 (Jul 10, 2026)
Module format
CommonJS
Last CommonJS version
0.6.0
TypeScript types
Bundled
Node engines
>=14.0
Weekly downloads
18.8M
License
MIT

Does adm-zip@0.6.0 actually load? Runtime test results

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

Runtimerequire("adm-zip")import "adm-zip"
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 adm-zip

ES modules (import)

import admZip from "adm-zip";

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 admZip = require("adm-zip");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (43 versions; the newest 43 shown).

VersionsFormatFirst published
0.1.1 – 0.6.0CommonJSFeb 23, 2012

Frequently asked

Is adm-zip ESM-only?

adm-zip@0.6.0 is a CommonJS package. adm-zip ships CommonJS only. require("adm-zip") works everywhere. import "adm-zip" 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 adm-zip with ES module syntax?

Yes. import admZip from "adm-zip" 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 adm-zip work in Bun?

Yes. import "adm-zip" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does adm-zip ship TypeScript types?

Yes. adm-zip bundles its own type declarations; no @types package is needed.

Links

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