🌈 Unified Package Manager for Node.js (npm, pnpm, yarn), Bun and Deno.

✅ Supports npm, yarn, pnpm, bun and deno out of the box with a unified API.

✅ Provides an API interface to interact with package managers.

✅ Autodetects project's package manager using package.json and known lockfiles.

✅ corepack integration for pnpm and yarn.

Install dependencies:

npx nypm i

Add a dependency:

npx nypm add defu

Remove a dependency:

npx nypm remove defu

Install package:

# ✨ Auto-detect
npx nypm install nypm

Import:

// ESM import
import { addDependency } from "nypm";

// or dynamic import
const { addDependency } = await import("nypm");

Adds dependency to the project.

Adds dev dependency to the project.

Detect the package manager used in a directory (and up) by checking various sources:

1. Use packageManager field from package.json
2. Known lock files and other files

Ensures dependency is installed.

Installs project dependencies.

Removes dependency from the project.

Dedupe project dependencies.

Runs a script defined in the package.json file.

Download and execute a package with the package manager.

Get the command to install dependencies with the package manager.

Get the command to add a dependency with the package manager.

Get the command to run a script with the package manager.

Get the command to download and execute a package with the package manager.

• Clone this repository
• Play Nyan Cat in the background (really important!)
• Enable Corepack using corepack enable
• Install dependencies using pnpm install
• Run interactive tests using pnpm dev

NYPM is inspired from previous attempts and projects for unifying package manager experience.

• pi0/yarnpm
• unjs/lmify
• antfu/ni
• antfu/install-pkg
• egoist/dum
• nodejs/corepack

Made with 💛

Published under MIT License.