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

Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-env-preset

Last verified Sep 9, 2026 against browserslist@4.28.9. JSON

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

browserslist ships CommonJS only. require("browserslist") works everywhere. import "browserslist" 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
4.28.9 (Sep 4, 2026)
Module format
CommonJS
Last CommonJS version
4.28.9
TypeScript types
Bundled
Node engines
^6 || ^7 || ^8 || ^9 || ^10 || ^11 || ^12 || >=13.7
Weekly downloads
170.7M
License
MIT

Does browserslist@4.28.9 actually load? Runtime test results

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

Runtimerequire("browserslist")import "browserslist"
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 browserslist

ES modules (import)

import browserslist from "browserslist";

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 browserslist = require("browserslist");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (217 versions; the newest 60 shown).

VersionsFormatFirst published
4.17.4 – 4.28.9CommonJSOct 13, 2021

Frequently asked

Is browserslist ESM-only?

browserslist@4.28.9 is a CommonJS package. browserslist ships CommonJS only. require("browserslist") works everywhere. import "browserslist" 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 browserslist with ES module syntax?

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

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

Does browserslist ship TypeScript types?

Yes. browserslist bundles its own type declarations; no @types package is needed.

Links

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