# which-pm

> Detects what package manager was used for installation

Latest version **4.0.0** (published 2026-03-11) · MIT license · 0 weekly downloads

## Install

```sh
npm install which-pm
pnpm add which-pm
yarn add which-pm
bun add which-pm
```

## Health

**Score 65/100 (B)** — status: stable.

Positive: has types; esm support; no vulnerabilities; high maintenance score; high quality score.

Warnings: low downloads.

## Facts

| | |
|---|---|
| Version | 4.0.0 |
| Published | 2026-03-11 |
| First published | 2017-04-04 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Node | >=22.13 |
| Dependencies | 1 |
| Unpacked size | 4.1 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 104 |
| Author | Zoltan Kochan |
| Maintainers | zkochan |
| Keywords | npm, pnpm, bun, yarn |

## Links

- npm: https://www.npmjs.com/package/which-pm
- Repository: https://github.com/zkochan/packages/tree/main/which-pm
- Issues: https://github.com/zkochan/packages/labels/package%3A%20which-pm
- npm.io page: https://npm.io/package/which-pm

## Dependencies (1)

- [load-yaml-file](https://npm.io/package/load-yaml-file.md) ^1.0.0

## Alternatives

- [raw-loader](https://npm.io/package/raw-loader.md) — 4.3M weekly downloads
- [plop](https://npm.io/package/plop.md) — 1.4M weekly downloads
- [webpack-deadcode-plugin](https://npm.io/package/webpack-deadcode-plugin.md) — 80.3K weekly downloads
- [@storybook/preact-vite](https://npm.io/package/@storybook/preact-vite.md) — 54.2K weekly downloads
- [vite-plugin-transform](https://npm.io/package/vite-plugin-transform.md) — 2.4K weekly downloads

## Recent versions

- 4.0.0 (latest) — 2026-03-11
- 3.0.1 — 2025-02-03
- 3.0.0 — 2024-07-06
- 2.2.0 — 2024-05-15
- 2.1.1 — 2023-08-31
- 2.1.0 — 2023-08-31
- 2.0.0 — 2019-05-24
- 1.1.0 — 2018-09-11
- 1.0.1 — 2017-12-13
- 1.0.0 — 2017-04-08
- 0.0.0 — 2017-04-04

## README

# which-pm

> Detects what package manager was used for installation

[![npm version](https://img.shields.io/npm/v/which-pm.svg)](https://www.npmjs.com/package/which-pm)

Can detect [npm](https://github.com/npm/cli), [pnpm](https://github.com/pnpm/pnpm) and [yarn](https://github.com/yarnpkg/yarn).

## Installation

```bash
<pnpm|yarn|npm> add which-pm
```

## Usage

```js
'use strict'
const whichpm = require('which-pm')

whichpm(process.cwd())
    .then(pm => console.log(pm))
    .catch(err => console.error(err))
//> {name: "pnpm", version: "0.64.2"}
```

## Related

* [preferred-pm](https://github.com/zkochan/packages/tree/main/preferred-pm) - Returns the preferred package manager of a project
* [which-pm-runs](https://github.com/zkochan/packages/tree/main/which-pm-runs) - Detects what package manager executes the process

## License

[MIT](LICENSE) © [Zoltan Kochan](https://kochan.io)

---
_Source: https://npm.io/package/which-pm · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._