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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. 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 you can require() on every Node.js version, including 18 and older, is 39.0.1, published Oct 6, 2025.

On Node.js 20.19+, 22.12+ and every newer release, require("stylelint-config-standard") works anyway: Node can load synchronous ES modules through require(). Verified on Node 20, 22, 24, 26. Node.js 18 and older still fail with ERR_REQUIRE_ESM.

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

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✓ works✓ works

How to import stylelint-config-standard

ES modules (import)

import stylelintConfigStandard from "stylelint-config-standard";

CommonJS (require)

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

// Any Node.js version:
const stylelintConfigStandard = await import("stylelint-config-standard");

// Or pin the last CommonJS release:
// 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 (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 you can require() on every Node.js version, including 18 and older, is 39.0.1, published Oct 6, 2025.

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. 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?

Use a dynamic import: const mod = await import("stylelint-config-standard"). On Node.js 20.19+, 22.12+ and newer, a plain require("stylelint-config-standard") also works for ESM packages that do not use top-level await. Alternatively pin stylelint-config-standard@39.0.1.

Does stylelint-config-standard work in Bun?

Yes. import "stylelint-config-standard" loaded successfully in Bun 1.4 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

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