# Is abort-controller ESM-only? Can you require() it?

> abort-controller@3.0.0 is a CommonJS package. CommonJS — require() works on every Node.js version we test.

An implementation of WHATWG AbortController interface.

Last verified Sep 9, 2026 against abort-controller@3.0.0.

abort-controller ships CommonJS only. require("abort-controller") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=6.5. import "abort-controller" 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.

## What to do

1. require("abort-controller") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=6.5.
2. From ES modules use the default import: import abortController from "abort-controller"; then destructure. Named imports only work when Node.js can statically detect the exports.
3. TypeScript: no types are available for abort-controller; declare the module yourself if you need them.

## Facts

- Latest: 3.0.0 (Mar 30, 2019)
- Module format: CommonJS
- Last CommonJS version: 3.0.0
- TypeScript types: none
- Node engines: >=6.5
- Weekly downloads: 45.7M
- License: MIT

## Runtime test results for abort-controller@3.0.0

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

| Runtime | require("abort-controller") | import "abort-controller" |
|---|---|---|
| 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 abort-controller

ES modules:

```js
import abortController from "abort-controller";
```

CommonJS:

```js
const abortController = require("abort-controller");
```

## Module format by version

Derived from the type, main and exports fields of every stable release on npm (10 versions; the newest 10 shown).

| Versions | Format | First published |
|---|---|---|
| 0.0.0 – 3.0.0 | CommonJS | Sep 29, 2017 |

## Frequently asked

**Is abort-controller ESM-only?**

abort-controller@3.0.0 is a CommonJS package. abort-controller ships CommonJS only. require("abort-controller") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=6.5. import "abort-controller" 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 abort-controller with ES module syntax?**

Yes. import abortController from "abort-controller" 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 abort-controller work in Bun?**

Yes. import "abort-controller" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

**Does abort-controller ship TypeScript types?**

No. abort-controller ships no type declarations and there is no @types package for it.

## Links

- [abort-controller on npm](https://www.npmjs.com/package/abort-controller)
- [Source repository](https://github.com/mysticatea/abort-controller)
- [HTML version](https://canirequire.com/package/abort-controller/)
- [JSON version](https://canirequire.com/package/abort-controller.json)

---

For scripts and AI agents: any package is at https://canirequire.com/package/<name>/index.md (Markdown) or https://canirequire.com/package/<name>.json (JSON); the site index is https://canirequire.com/llms.txt. Fetch the URL directly; no search needed.