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Is stylelint-config-standard ESM-only? Can you require() it?

Standard shareable config for Stylelint

Last verified Sep 9, 2026 against stylelint-config-standard@40.0.0. Markdown · JSON

ESM-only ESM-only since 40.0.0 — last CommonJS version is 39.0.1

stylelint-config-standard dropped its CommonJS build in 40.0.0 (January 2026). The last version with a plain require()-able CommonJS entry is 39.0.1, published Oct 6, 2025; it declares support for Node.js >=18.12.0.

On Node.js 20.19+, 22.12+ and newer, require("stylelint-config-standard") works with the latest version: Node.js loads synchronous ES modules through require(). Verified on Node.js 20, 22, 24 and 26. Node.js 18 has no require(esm), and stylelint-config-standard@40.0.0 declares Node.js >=20.19.0, so 18 is outside its supported range anyway.

stylelint-config-standard@40.0.0 declares engines ">=20.19.0", so Node.js 18 is outside its supported range regardless of module format.

What to do

  1. On Node.js 20.19+, 22.12+ and newer, require("stylelint-config-standard") works with the latest version: Node.js loads synchronous ES modules through require(). Verified on Node.js 20, 22, 24 and 26.
  2. From a CommonJS file, use a dynamic import inside an async function: const stylelintConfigStandard = await import("stylelint-config-standard"). That works on every Node.js version the package supports (>=20.19.0).
  3. If you need a synchronous require() or run Node.js 18: npm install stylelint-config-standard@39.0.1, the last CommonJS release (published Oct 6, 2025); it declares Node.js >=18.12.0.
  4. stylelint-config-standard@40.0.0 declares engines ">=20.19.0", so Node.js 18 is unsupported regardless: upgrade Node.js or pin an older release.
  5. TypeScript: no types are available for stylelint-config-standard; declare the module yourself if you need them.
Latest
40.0.0 (Jan 15, 2026)
Module format
ESM-only
Last CommonJS version
39.0.1
ESM-only since
40.0.0 (Jan 15, 2026)
TypeScript types
None
Node engines
>=20.19.0
Weekly downloads
4.4M
License
MIT

Does stylelint-config-standard@40.0.0 actually load? Runtime test results

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

Runtimerequire("stylelint-config-standard")import "stylelint-config-standard"
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 1.4.0✓ works✓ works

How to import stylelint-config-standard

ES modules (import)

import * as stylelintConfigStandard from "stylelint-config-standard";

Namespace import shown because the ESM entry may have no default export; use named imports for what it exports.

CommonJS (require)

// Node.js 20.19+, 22.12+ and newer (verified):
const stylelintConfigStandard = require("stylelint-config-standard");

// Any Node.js version the package supports (>=20.19.0), from an async function:
async function main() {
  const stylelintConfigStandard = await import("stylelint-config-standard");
}

// Or pin the last CommonJS release (declares Node.js >=18.12.0):
// npm install stylelint-config-standard@39.0.1

Module format by version

Derived from the type, main and exports fields of every stable release on npm, corrected where a runtime test of that version contradicted them (52 versions; the newest 52 shown).

VersionsFormatFirst published
40.0.0ESM-onlyJan 15, 2026
0.1.0 – 39.0.1CommonJSJan 11, 2016

Frequently asked

Is stylelint-config-standard ESM-only?

stylelint-config-standard@40.0.0 is ESM-only. stylelint-config-standard dropped its CommonJS build in 40.0.0 (January 2026). The last version with a plain require()-able CommonJS entry is 39.0.1, published Oct 6, 2025; it declares support for Node.js >=18.12.0.

Which version of stylelint-config-standard still supports CommonJS / require()?

39.0.1 is the last version of stylelint-config-standard with a CommonJS build; it declares Node.js >=18.12.0. Install it with "npm install stylelint-config-standard@39.0.1". Every version from 40.0.0 on is ESM-only.

How do I use stylelint-config-standard from a CommonJS file?

From a CommonJS file, use a dynamic import inside an async function: const stylelintConfigStandard = await import("stylelint-config-standard"). That works on every Node.js version the package supports (>=20.19.0). On Node.js 20.19+, 22.12+ and newer, require("stylelint-config-standard") works with the latest version: Node.js loads synchronous ES modules through require(). Verified on Node.js 20, 22, 24 and 26. Alternatively pin stylelint-config-standard@39.0.1 (declares Node.js >=18.12.0).

Does stylelint-config-standard work in Bun?

Yes. import "stylelint-config-standard" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does stylelint-config-standard ship TypeScript types?

No. stylelint-config-standard ships no type declarations and there is no @types package for it.

Links

Other esm-only packages

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