JavaScript - Package Manager (npm/yarn/pnpm)

Overview

Estimated time: 10–15 minutes

Package managers like npm, yarn, and pnpm help you install, update, and manage JavaScript libraries and tools.

Learning Objectives

• Install and update packages using npm, yarn, or pnpm.
• Understand package.json and dependency management.

Prerequisites

• JavaScript - Testing with Jest

Installing Packages

npm install lodash
# or
yarn add lodash
# or
pnpm add lodash

package.json

{
  "name": "my-app",
  "dependencies": {
    "lodash": "^4.17.21"
  }
}

Common Pitfalls

• Mixing package managers in one project can cause issues.

Summary

Use a package manager to simplify dependency management and keep your project up to date.