# Is eslint-scope ESM-only? Can you require() it?

> eslint-scope@9.1.2 ships CommonJS and ESM builds. Dual package — require() works on every Node.js version we test; import works too.

ECMAScript scope analyzer for ESLint

Last verified Sep 9, 2026 against eslint-scope@9.1.2.

eslint-scope publishes both a CommonJS entry and a native ESM entry (ESM added in 6.0.0). require("eslint-scope") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js ^20.19.0 || ^22.13.0 || >=24. import "eslint-scope" works alongside it.

## What to do

1. Nothing to change. require("eslint-scope") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js ^20.19.0 || ^22.13.0 || >=24. import * as eslintScope from "eslint-scope" works alongside it; use named imports for what the ESM entry exports.
2. TypeScript: types are bundled; install nothing extra.

## Facts

- Latest: 9.1.2 (Mar 6, 2026)
- Module format: Dual (CommonJS + ESM)
- Last CommonJS version: 9.1.2
- Native ESM since: 6.0.0
- TypeScript types: bundled
- Node engines: ^20.19.0 || ^22.13.0 || >=24
- Weekly downloads: 143.2M
- License: BSD-2-Clause

## Runtime test results for eslint-scope@9.1.2

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

| Runtime | require("eslint-scope") | import "eslint-scope" |
|---|---|---|
| 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-scope

ES modules:

```js
import * as eslintScope from "eslint-scope";
```

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

CommonJS:

```js
const eslintScope = require("eslint-scope");
```

## Module format by version

Derived from the type, main and exports fields of every stable release on npm (28 versions; the newest 28 shown).

| Versions | Format | First published |
|---|---|---|
| 6.0.0 – 9.1.2 | Dual (CommonJS + ESM) | Jul 23, 2021 |
| 3.7.0 – 5.1.1 | CommonJS | Mar 17, 2017 |

## Frequently asked

**Is eslint-scope ESM-only?**

eslint-scope@9.1.2 ships CommonJS and ESM builds. eslint-scope publishes both a CommonJS entry and a native ESM entry (ESM added in 6.0.0). require("eslint-scope") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js ^20.19.0 || ^22.13.0 || >=24. import "eslint-scope" works alongside it.

**Can I require eslint-scope?**

Yes. eslint-scope ships a CommonJS entry alongside the native ESM entry. require("eslint-scope") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js ^20.19.0 || ^22.13.0 || >=24.

**Does eslint-scope work in Bun?**

Yes. import "eslint-scope" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

**Does eslint-scope ship TypeScript types?**

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

## Links

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

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