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

UglifyJS plugin for webpack

Last verified Sep 9, 2026 against uglifyjs-webpack-plugin@2.2.0. JSON

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

uglifyjs-webpack-plugin ships CommonJS only. require("uglifyjs-webpack-plugin") works everywhere. import "uglifyjs-webpack-plugin" 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.

Latest
2.2.0 (Jul 31, 2019)
Module format
CommonJS
Last CommonJS version
2.2.0
TypeScript types
@types/uglifyjs-webpack-plugin
Node engines
>= 6.9.0
Weekly downloads
511K
License
MIT

Does uglifyjs-webpack-plugin@2.2.0 actually load? Runtime test results

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

Runtimerequire("uglifyjs-webpack-plugin")import "uglifyjs-webpack-plugin"
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 uglifyjs-webpack-plugin

ES modules (import)

import uglifyjsWebpackPlugin from "uglifyjs-webpack-plugin";

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 uglifyjsWebpackPlugin = require("uglifyjs-webpack-plugin");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (45 versions; the newest 45 shown).

VersionsFormatFirst published
0.1.0 – 2.2.0CommonJSJan 24, 2017

Frequently asked

Is uglifyjs-webpack-plugin ESM-only?

uglifyjs-webpack-plugin@2.2.0 is a CommonJS package. uglifyjs-webpack-plugin ships CommonJS only. require("uglifyjs-webpack-plugin") works everywhere. import "uglifyjs-webpack-plugin" 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 uglifyjs-webpack-plugin with ES module syntax?

Yes. import uglifyjsWebpackPlugin from "uglifyjs-webpack-plugin" 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 uglifyjs-webpack-plugin work in Bun?

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

Does uglifyjs-webpack-plugin ship TypeScript types?

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

Links

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