es-toolkit/docs/installation.md

---
description: How to install es-toolkit
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  link: ./intro.md
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  text: Impact on Bundle Size
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---

# Installation

es-toolkit is available on [npm](https://npmjs.com/package/es-toolkit) for Node.js, Deno, and Bun.

## Node.js

es-toolkit supports Node.js 18 or later. Install es-toolkit with the following command:

```sh
npm install es-toolkit
yarn add es-toolkit
pnpm install es-toolkit
```

## Deno

es-toolkit is also accessible via [JSR](https://jsr.io/@es-toolkit/es-toolkit) for Deno. To install es-toolkit, use the following command:

```sh
deno add @es-toolkit/es-toolkit
```

Note that the package name includes an additional scope, distinct from npm, as per JSR restrictions.

```typescript
import { sum } from '@es-toolkit/es-toolkit';

sum([1, 2, 3]);
```

## Bun

es-toolkit is also available on Bun. You can install it via the following command:

```sh
bun add es-toolkit
```