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Is rollup-plugin-commonjs ESM-only? Can you require() it?

Convert CommonJS modules to ES2015

Last verified Sep 9, 2026 against rollup-plugin-commonjs@10.1.0. JSON

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

rollup-plugin-commonjs ships CommonJS only. require("rollup-plugin-commonjs") works everywhere. import "rollup-plugin-commonjs" 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.

It also declares a "module" field, so bundlers such as webpack, Vite and esbuild pick up an ESM build for tree-shaking.

Latest
10.1.0 (Aug 27, 2019)
Module format
CommonJS
Last CommonJS version
10.1.0
TypeScript types
@types/rollup-plugin-commonjs
Node engines
not declared
Weekly downloads
533K
License
MIT

Deprecated: This package has been deprecated and is no longer maintained. Please use @rollup/plugin-commonjs.

Does rollup-plugin-commonjs@10.1.0 actually load? Runtime test results

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

Runtimerequire("rollup-plugin-commonjs")import "rollup-plugin-commonjs"
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 rollup-plugin-commonjs

ES modules (import)

import rollupPluginCommonjs from "rollup-plugin-commonjs";

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 rollupPluginCommonjs = require("rollup-plugin-commonjs");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (70 versions; the newest 60 shown).

VersionsFormatFirst published
2.2.1 – 10.1.0CommonJSJan 31, 2016

Frequently asked

Is rollup-plugin-commonjs ESM-only?

rollup-plugin-commonjs@10.1.0 is a CommonJS package. rollup-plugin-commonjs ships CommonJS only. require("rollup-plugin-commonjs") works everywhere. import "rollup-plugin-commonjs" 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 rollup-plugin-commonjs with ES module syntax?

Yes. import rollupPluginCommonjs from "rollup-plugin-commonjs" 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 rollup-plugin-commonjs work in Bun?

Yes. import "rollup-plugin-commonjs" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does rollup-plugin-commonjs ship TypeScript types?

Not bundled. Install the community types with "npm install -D @types/rollup-plugin-commonjs".

Links

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