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

Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.

Last verified Sep 9, 2026 against webpack@5.110.3. Markdown · JSON

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

webpack ships CommonJS only. require("webpack") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=10.13.0. import "webpack" 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("webpack") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=10.13.0.
  2. From ES modules use the default import: import webpack from "webpack"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: types are bundled; install nothing extra.
Latest
5.110.3 (Sep 1, 2026)
Module format
CommonJS
Last CommonJS version
5.110.3
TypeScript types
Bundled
Node engines
>=10.13.0
Weekly downloads
49.8M
License
MIT

Does webpack@5.110.3 actually load? Runtime test results

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

Runtimerequire("webpack")import "webpack"
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 webpack

ES modules (import)

import webpack from "webpack";

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 webpack = require("webpack");

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 (579 versions; the newest 60 shown).

VersionsFormatFirst published
5.90.0 – 5.110.3CommonJSJan 24, 2024

Frequently asked

Is webpack ESM-only?

webpack@5.110.3 is a CommonJS package. webpack ships CommonJS only. require("webpack") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=10.13.0. import "webpack" 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 webpack with ES module syntax?

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

Yes. import "webpack" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does webpack ship TypeScript types?

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

Links

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