# Is available-typed-arrays ESM-only? Can you require() it?

> available-typed-arrays@1.0.7 is a CommonJS package. CommonJS — require() works on every Node.js version we test.

Returns an array of Typed Array names that are available in the current environment

Last verified Sep 9, 2026 against available-typed-arrays@1.0.7.

available-typed-arrays ships CommonJS only. require("available-typed-arrays") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 0.4. import "available-typed-arrays" 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("available-typed-arrays") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 0.4.
2. From ES modules use the default import: import availableTypedArrays from "available-typed-arrays"; then destructure. Named imports only work when Node.js can statically detect the exports.
3. TypeScript: types are bundled; install nothing extra.

## Facts

- Latest: 1.0.7 (Feb 19, 2024)
- Module format: CommonJS
- Last CommonJS version: 1.0.7
- TypeScript types: bundled
- Node engines: >= 0.4
- Weekly downloads: 87.9M
- License: MIT

## Runtime test results for available-typed-arrays@1.0.7

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

| Runtime | require("available-typed-arrays") | import "available-typed-arrays" |
|---|---|---|
| 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 available-typed-arrays

ES modules:

```js
import availableTypedArrays from "available-typed-arrays";
```

CommonJS:

```js
const availableTypedArrays = require("available-typed-arrays");
```

## Module format by version

Derived from the type, main and exports fields of every stable release on npm (8 versions; the newest 8 shown).

| Versions | Format | First published |
|---|---|---|
| 1.0.0 – 1.0.7 | CommonJS | Jan 24, 2020 |

## Frequently asked

**Is available-typed-arrays ESM-only?**

available-typed-arrays@1.0.7 is a CommonJS package. available-typed-arrays ships CommonJS only. require("available-typed-arrays") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 0.4. import "available-typed-arrays" 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 available-typed-arrays with ES module syntax?**

Yes. import availableTypedArrays from "available-typed-arrays" 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 available-typed-arrays work in Bun?**

Yes. import "available-typed-arrays" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

**Does available-typed-arrays ship TypeScript types?**

Yes. available-typed-arrays bundles its own type declarations; no @types package is needed.

## Links

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

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