Introduction to pnpm

pnpm is a fast, disk space-efficient package manager. It is an alternative to npm and Yarn, with unique features and benefits that make it stand out among other package managers. In this article, we’ll explore dozens of useful API examples and provide an example application utilizing these APIs.

API Examples

Initializing a project

To initialize a new project with pnpm, you can use the following command:

pnpm init

Installing packages

To install a package using pnpm, use the pnpm add command:

pnpm add react

Installing a specific version

You can install a specific version of a package:

pnpm add lodash@4.17.21

Installing dev dependencies

To install a package as a dev dependency, use the --save-dev flag:

pnpm add jest --save-dev

Uninstalling packages

To uninstall a package, use the pnpm remove command:

pnpm remove react

Updating all dependencies

To update all packages to their latest versions, use:

pnpm update --latest

Listing installed packages

To list all installed packages, use the pnpm list command:

pnpm list

Running scripts

You can run scripts defined in your package.json using:

pnpm run start

Creating a new workspace

To create a new workspace use the pnpm workspace command:

pnpm workspace add @my-scope/my-package

App Example

Here is an example of a small application setup using pnpm’s APIs:

 // Initialize the project pnpm init
// Add dependencies pnpm add express pnpm add mongoose
// Add dev dependencies pnpm add jest --save-dev
// Create an index.js file echo "const express = require('express'); const app = express(); app.listen(3000, () => console.log('Server is running on port 3000'));" > index.js
// Create a simple test file echo "test('dummy test', () => { expect(true).toBe(true); });" > test.js
// Run the app pnpm run start
// Run tests pnpm run test 

Using pnpm, you can easily manage your project dependencies, save disk space, and quickly perform various development tasks.

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