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

Copy files and folders using Rollup

Last verified Sep 9, 2026 against rollup-plugin-copy@3.5.0. JSON

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

rollup-plugin-copy ships CommonJS only. require("rollup-plugin-copy") works everywhere. import "rollup-plugin-copy" 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
3.5.0 (Sep 2, 2023)
Module format
CommonJS
Last CommonJS version
3.5.0
TypeScript types
Bundled
Node engines
>=8.3
Weekly downloads
1.0M
License
MIT

Does rollup-plugin-copy@3.5.0 actually load? Runtime test results

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

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

ES modules (import)

import rollupPluginCopy from "rollup-plugin-copy";

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 rollupPluginCopy = require("rollup-plugin-copy");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (21 versions; the newest 21 shown).

VersionsFormatFirst published
0.1.0 – 3.5.0CommonJSApr 29, 2017

Frequently asked

Is rollup-plugin-copy ESM-only?

rollup-plugin-copy@3.5.0 is a CommonJS package. rollup-plugin-copy ships CommonJS only. require("rollup-plugin-copy") works everywhere. import "rollup-plugin-copy" 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-copy with ES module syntax?

Yes. import rollupPluginCopy from "rollup-plugin-copy" 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-copy work in Bun?

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

Does rollup-plugin-copy ship TypeScript types?

Yes. rollup-plugin-copy bundles its own type declarations; no @types package is needed.

Links

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