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

Robust, expressive, and feature-rich CSS superset

Last verified Sep 9, 2026 against stylus@0.64.0. JSON

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

stylus ships CommonJS only. require("stylus") works everywhere. import "stylus" 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
0.64.0 (Oct 20, 2024)
Module format
CommonJS
Last CommonJS version
0.64.0
TypeScript types
@types/stylus
Node engines
>=16
Weekly downloads
2.5M
License
MIT

Does stylus@0.64.0 actually load? Runtime test results

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

Runtimerequire("stylus")import "stylus"
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 stylus

ES modules (import)

import stylus from "stylus";

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 stylus = require("stylus");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (179 versions; the newest 60 shown).

VersionsFormatFirst published
0.39.4 – 0.64.0CommonJSNov 3, 2013

Frequently asked

Is stylus ESM-only?

stylus@0.64.0 is a CommonJS package. stylus ships CommonJS only. require("stylus") works everywhere. import "stylus" 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 stylus with ES module syntax?

Yes. import stylus from "stylus" 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 stylus work in Bun?

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

Does stylus ship TypeScript types?

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

Links

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