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Is cookie ESM-only? Can you require() it?

HTTP server cookie parsing and serialization

Last verified Sep 9, 2026 against cookie@2.0.1. JSON

ESM-only ESM-only since 2.0.0 — last CommonJS version is 1.1.1

cookie dropped its CommonJS build in 2.0.0 (June 2026). The last version you can require() on every Node.js version, including 18 and older, is 1.1.1, published Nov 26, 2025.

On Node.js 20.19+, 22.12+ and every newer release, require("cookie") works anyway: Node can load synchronous ES modules through require(). Verified on Node 22, 24, 26. Node.js 18 and older still fail with ERR_REQUIRE_ESM.

cookie@2.0.1 declares engines ">=22", so Node.js 18, 20 are outside its supported range regardless of module format.

Latest
2.0.1 (Jun 30, 2026)
Module format
ESM-only
Last CommonJS version
1.1.1
ESM-only since
2.0.0 (Jun 24, 2026)
TypeScript types
@types/cookie
Node engines
>=22
Weekly downloads
185.1M
License
MIT

Does cookie@2.0.1 actually load? Runtime test results

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

Runtimerequire("cookie")import "cookie"
Node.js 18✗ failsERR_REQUIRE_ESM✓ 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 cookie

ES modules (import)

import cookie from "cookie";

CommonJS (require)

// Node.js 20.19+ / 22.12+ / newer (package has no top-level await):
const cookie = require("cookie");

// Any Node.js version:
const cookie = await import("cookie");

// Or pin the last CommonJS release:
// npm install cookie@1.1.1

Module format by version

Derived from the type, main and exports fields of every stable release on npm (35 versions; the newest 35 shown).

VersionsFormatFirst published
2.0.0 – 2.0.1ESM-onlyJun 24, 2026
0.0.0 – 1.1.1CommonJSMay 28, 2012

Frequently asked

Is cookie ESM-only?

cookie@2.0.1 is ESM-only. cookie dropped its CommonJS build in 2.0.0 (June 2026). The last version you can require() on every Node.js version, including 18 and older, is 1.1.1, published Nov 26, 2025.

Which version of cookie still supports CommonJS / require()?

1.1.1 is the last version of cookie with a CommonJS build. Install it with "npm install cookie@1.1.1". Every version from 2.0.0 on is ESM-only.

How do I use cookie from a CommonJS file?

Use a dynamic import: const mod = await import("cookie"). On Node.js 20.19+, 22.12+ and newer, a plain require("cookie") also works for ESM packages that do not use top-level await. Alternatively pin cookie@1.1.1.

Does cookie work in Bun?

Yes. import "cookie" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does cookie ship TypeScript types?

Not bundled. Install the community types with "npm install -D @types/cookie".

Links

Other esm-only packages

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