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Is babel-polyfill ESM-only? Can you require() it?

Provides polyfills necessary for a full ES2015+ environment

Last verified Sep 9, 2026 against babel-polyfill@6.26.0. Markdown · JSON

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

babel-polyfill ships CommonJS only. require("babel-polyfill") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "babel-polyfill" 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("babel-polyfill") 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 babelPolyfill from "babel-polyfill"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: no types are available for babel-polyfill; declare the module yourself if you need them.
Latest
6.26.0 (Aug 16, 2017)
Module format
CommonJS
Last CommonJS version
6.26.0
TypeScript types
None
Node engines
not declared
Weekly downloads
1.8M
License
MIT

Does babel-polyfill@6.26.0 actually load? Runtime test results

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

Runtimerequire("babel-polyfill")import "babel-polyfill"
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 babel-polyfill

ES modules (import)

import babelPolyfill from "babel-polyfill";

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 babelPolyfill = require("babel-polyfill");

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 (25 versions; the newest 25 shown).

VersionsFormatFirst published
6.0.2 – 6.26.0CommonJSOct 29, 2015

Frequently asked

Is babel-polyfill ESM-only?

babel-polyfill@6.26.0 is a CommonJS package. babel-polyfill ships CommonJS only. require("babel-polyfill") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "babel-polyfill" 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 babel-polyfill with ES module syntax?

Yes. import babelPolyfill from "babel-polyfill" 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 babel-polyfill work in Bun?

Yes. import "babel-polyfill" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does babel-polyfill ship TypeScript types?

No. babel-polyfill ships no type declarations and there is no @types package for it.

Links

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