@skarab/detect-package-manager

Detects which package manager (bun, pnpm, yarn, npm) is used based on the current working directory.

Features

• Support packageManager field in package.json.
• Detect PM agent version from lock file name, format or version.
• Fully typed and well tested!

TODO

• Resolve external lock file such as lockfile-directory in .npmrc (PR welcome).

Installation

1pnpm add @skarab/detect-package-manager

Usage

Detect the PM agent from the current working directory.

1import { detectAgent } from '@skarab/detect-package-manager';
2
3const agent = await detectAgent();
4
5console.log(agent); // { name: 'pnpm', version: '7.6.0' }

Detect the PM agent from a provided directory.

1import { detectAgent } from '@skarab/detect-package-manager';
2
3const agent = await detectAgent('path/to/yarn/project');
4
5console.log(agent); // { name: 'yarn', version: '1.22.17' }

Detect all installed and known agents.

1import { detectInstalledAgents } from '@skarab/detect-package-manager';
2
3const agents = await api.detectInstalledAgents();
4
5console.log(agents.has('pnpm')); // true
6
7// agents === Map(3) {
8//   'pnpm' => { name: 'pnpm', version: '7.6.0' },
9//   'yarn' => { name: 'yarn', version: '1.22.17' },
10//   'npm' => { name: 'npm', version: '8.13.2' }
11// }

Known agents

• bun Bun is a fast all-in-one JavaScript runtime.
• pnpm Fast, disk space efficient package manager.
• yarn Yarn is a package manager that doubles down as project manager.
• npm A JavaScript package manager.

Related

• detect-package-manager Detect which package manager you're using (yarn or pnpm or npm)
• preferred-pm Returns the preferred package manager of a project
• @antfu/ni Use the right package manager

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Scaffolded with @skarab/skaffold