# Is @rollup/pluginutils ESM-only? Can you require() it?

> @rollup/pluginutils@5.4.0 ships CommonJS and ESM builds. Dual package — require() works on every Node.js version we test; import works too.

A set of utility functions commonly used by Rollup plugins

Last verified Sep 9, 2026 against @rollup/pluginutils@5.4.0.

@rollup/pluginutils publishes both a CommonJS entry and a native ESM entry (ESM added in 3.1.0). require("@rollup/pluginutils") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=14.0.0. import "@rollup/pluginutils" works alongside it.

## What to do

1. Nothing to change. require("@rollup/pluginutils") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=14.0.0. import * as pluginutils from "@rollup/pluginutils" works alongside it; use named imports for what the ESM entry exports.
2. TypeScript: types are bundled; install nothing extra.

## Facts

- Latest: 5.4.0 (May 29, 2026)
- Module format: Dual (CommonJS + ESM)
- Last CommonJS version: 5.4.0
- Native ESM since: 3.1.0
- TypeScript types: bundled
- Node engines: >=14.0.0
- Weekly downloads: 47.1M
- License: MIT

## Runtime test results for @rollup/pluginutils@5.4.0

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

| Runtime | require("@rollup/pluginutils") | import "@rollup/pluginutils" |
|---|---|---|
| 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 @rollup/pluginutils

ES modules:

```js
import * as pluginutils from "@rollup/pluginutils";
```

Namespace import shown because the ESM entry may have no default export; use named imports for what it exports.

CommonJS:

```js
const pluginutils = require("@rollup/pluginutils");
```

## Module format by version

Derived from the type, main and exports fields of every stable release on npm (31 versions; the newest 31 shown).

| Versions | Format | First published |
|---|---|---|
| 3.1.0 – 5.4.0 | Dual (CommonJS + ESM) | Jun 5, 2020 |
| 3.0.0 – 3.0.10 | CommonJS | Nov 25, 2019 |

## Frequently asked

**Is @rollup/pluginutils ESM-only?**

@rollup/pluginutils@5.4.0 ships CommonJS and ESM builds. @rollup/pluginutils publishes both a CommonJS entry and a native ESM entry (ESM added in 3.1.0). require("@rollup/pluginutils") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=14.0.0. import "@rollup/pluginutils" works alongside it.

**Can I require @rollup/pluginutils?**

Yes. @rollup/pluginutils ships a CommonJS entry alongside the native ESM entry. require("@rollup/pluginutils") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=14.0.0.

**Does @rollup/pluginutils work in Bun?**

Yes. import "@rollup/pluginutils" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

**Does @rollup/pluginutils ship TypeScript types?**

Yes. @rollup/pluginutils bundles its own type declarations; no @types package is needed.

## Links

- [@rollup/pluginutils on npm](https://www.npmjs.com/package/@rollup/pluginutils)
- [Source repository](https://github.com/rollup/plugins)
- [HTML version](https://canirequire.com/package/@rollup/pluginutils/)
- [JSON version](https://canirequire.com/package/@rollup/pluginutils.json)

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