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

CLI tool to update caniuse-lite to refresh target browsers from Browserslist config

Last verified Sep 9, 2026 against update-browserslist-db@1.3.2. Markdown · JSON

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

update-browserslist-db ships CommonJS only. require("update-browserslist-db") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "update-browserslist-db" 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.

What to do

  1. require("update-browserslist-db") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun.
  2. From ES modules use the default import: import updateBrowserslistDb from "update-browserslist-db"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: types are bundled; install nothing extra.
Latest
1.3.2 (Aug 27, 2026)
Module format
CommonJS
Last CommonJS version
1.3.2
TypeScript types
Bundled
Node engines
not declared
Weekly downloads
157.2M
License
MIT

Does update-browserslist-db@1.3.2 actually load? Runtime test results

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

Runtimerequire("update-browserslist-db")import "update-browserslist-db"
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 1.4.0✓ works✓ works

How to import update-browserslist-db

ES modules (import)

import updateBrowserslistDb from "update-browserslist-db";

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 updateBrowserslistDb = require("update-browserslist-db");

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 (29 versions; the newest 29 shown).

VersionsFormatFirst published
1.0.0 – 1.3.2CommonJSJun 21, 2022

Frequently asked

Is update-browserslist-db ESM-only?

update-browserslist-db@1.3.2 is a CommonJS package. update-browserslist-db ships CommonJS only. require("update-browserslist-db") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "update-browserslist-db" 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 update-browserslist-db with ES module syntax?

Yes. import updateBrowserslistDb from "update-browserslist-db" 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 update-browserslist-db work in Bun?

Yes. import "update-browserslist-db" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does update-browserslist-db ship TypeScript types?

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

Links

Other commonjs packages

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