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Is babel-plugin-polyfill-corejs3 ESM-only? Can you require() it?

A Babel plugin to inject imports to core-js@3 polyfills

Last verified Sep 9, 2026 against babel-plugin-polyfill-corejs3@1.0.0. JSON

ESM-only ESM-only since 1.0.0 — last CommonJS version is 0.14.2

babel-plugin-polyfill-corejs3 dropped its CommonJS build in 1.0.0 (June 2026). The last version you can require() on every Node.js version, including 18 and older, is 0.14.2, published Mar 16, 2026.

On Node.js 20.19+, 22.12+ and every newer release, require("babel-plugin-polyfill-corejs3") 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.

babel-plugin-polyfill-corejs3@1.0.0 declares engines "^20.19.0 || >=22.12.0", so Node.js 18 is outside its supported range regardless of module format.

Latest
1.0.0 (Jun 17, 2026)
Module format
ESM-only
Last CommonJS version
0.14.2
ESM-only since
1.0.0 (Jun 17, 2026)
TypeScript types
None
Node engines
^20.19.0 || >=22.12.0
Weekly downloads
51.6M
License
MIT

Does babel-plugin-polyfill-corejs3@1.0.0 actually load? Runtime test results

Installed and executed on Sep 9, 2026 with require("babel-plugin-polyfill-corejs3") from a CommonJS file and import "babel-plugin-polyfill-corejs3" from an ES module.

Runtimerequire("babel-plugin-polyfill-corejs3")import "babel-plugin-polyfill-corejs3"
Node.js 18✗ failsERR_REQUIRE_ESM✗ failsSyntaxError
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 babel-plugin-polyfill-corejs3

ES modules (import)

import babelPluginPolyfillCorejs3 from "babel-plugin-polyfill-corejs3";

CommonJS (require)

// Node.js 20.19+ / 22.12+ / newer (package has no top-level await):
const babelPluginPolyfillCorejs3 = require("babel-plugin-polyfill-corejs3");

// Any Node.js version:
const babelPluginPolyfillCorejs3 = await import("babel-plugin-polyfill-corejs3");

// Or pin the last CommonJS release:
// npm install babel-plugin-polyfill-corejs3@0.14.2

Module format by version

Derived from the type, main and exports fields of every stable release on npm (56 versions; the newest 56 shown).

VersionsFormatFirst published
1.0.0ESM-onlyJun 17, 2026
0.2.0 – 0.14.2Dual (CommonJS + ESM)Mar 31, 2021
0.0.0 – 0.1.7CommonJSApr 8, 2020

Frequently asked

Is babel-plugin-polyfill-corejs3 ESM-only?

babel-plugin-polyfill-corejs3@1.0.0 is ESM-only. babel-plugin-polyfill-corejs3 dropped its CommonJS build in 1.0.0 (June 2026). The last version you can require() on every Node.js version, including 18 and older, is 0.14.2, published Mar 16, 2026.

Which version of babel-plugin-polyfill-corejs3 still supports CommonJS / require()?

0.14.2 is the last version of babel-plugin-polyfill-corejs3 with a CommonJS build. Install it with "npm install babel-plugin-polyfill-corejs3@0.14.2". Every version from 1.0.0 on is ESM-only.

How do I use babel-plugin-polyfill-corejs3 from a CommonJS file?

Use a dynamic import: const mod = await import("babel-plugin-polyfill-corejs3"). On Node.js 20.19+, 22.12+ and newer, a plain require("babel-plugin-polyfill-corejs3") also works for ESM packages that do not use top-level await. Alternatively pin babel-plugin-polyfill-corejs3@0.14.2.

Does babel-plugin-polyfill-corejs3 work in Bun?

Yes. import "babel-plugin-polyfill-corejs3" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does babel-plugin-polyfill-corejs3 ship TypeScript types?

No. babel-plugin-polyfill-corejs3 ships no type declarations and there is no @types package for it.

Links

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