# Is @eslint-community/regexpp ESM-only? Can you require() it?

> @eslint-community/regexpp@4.12.2 ships CommonJS and ESM builds. Dual package — require() works on every Node.js version we test; import works too.

Regular expression parser for ECMAScript.

Last verified Sep 9, 2026 against @eslint-community/regexpp@4.12.2.

@eslint-community/regexpp publishes both a CommonJS entry and a native ESM entry (ESM added in 3.2.0). require("@eslint-community/regexpp") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js ^12.0.0 || ^14.0.0 || >=16.0.0. import "@eslint-community/regexpp" works alongside it.

## What to do

1. Nothing to change. require("@eslint-community/regexpp") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js ^12.0.0 || ^14.0.0 || >=16.0.0. import * as regexpp from "@eslint-community/regexpp" works alongside it; use named imports for what the ESM entry exports.
2. TypeScript: types are bundled; install nothing extra.

## Facts

- Latest: 4.12.2 (Oct 22, 2025)
- Module format: Dual (CommonJS + ESM)
- Last CommonJS version: 4.12.2
- Native ESM since: 3.2.0
- TypeScript types: bundled
- Node engines: ^12.0.0 || ^14.0.0 || >=16.0.0
- Weekly downloads: 100.2M
- License: MIT

## Runtime test results for @eslint-community/regexpp@4.12.2

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

| Runtime | require("@eslint-community/regexpp") | import "@eslint-community/regexpp" |
|---|---|---|
| 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 @eslint-community/regexpp

ES modules:

```js
import * as regexpp from "@eslint-community/regexpp";
```

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

CommonJS:

```js
const regexpp = require("@eslint-community/regexpp");
```

## Module format by version

Derived from the type, main and exports fields of every stable release on npm (27 versions; the newest 27 shown).

| Versions | Format | First published |
|---|---|---|
| 3.2.0 – 4.12.2 | Dual (CommonJS + ESM) | Nov 28, 2022 |

## Frequently asked

**Is @eslint-community/regexpp ESM-only?**

@eslint-community/regexpp@4.12.2 ships CommonJS and ESM builds. @eslint-community/regexpp publishes both a CommonJS entry and a native ESM entry (ESM added in 3.2.0). require("@eslint-community/regexpp") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js ^12.0.0 || ^14.0.0 || >=16.0.0. import "@eslint-community/regexpp" works alongside it.

**Can I require @eslint-community/regexpp?**

Yes. @eslint-community/regexpp ships a CommonJS entry alongside the native ESM entry. require("@eslint-community/regexpp") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js ^12.0.0 || ^14.0.0 || >=16.0.0.

**Does @eslint-community/regexpp work in Bun?**

Yes. import "@eslint-community/regexpp" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

**Does @eslint-community/regexpp ship TypeScript types?**

Yes. @eslint-community/regexpp bundles its own type declarations; no @types package is needed.

## Links

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

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