NPM

Commands and packackes.

• NPM
  • Commands
  • Useful NPM Packages

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Commands

• npm init -y initialises a node project and auto answers all questions yes. (Omit -y to go through questions)
• npm i will install any packages defined in the packages.json file
• npm i packagename to install a package from npm.com
• npm i packagename --save-dev to install a package as a development dependency only
• npm uninstall packagename to uninstall a package
• npm upgrade to update packages
• npm install --production will not install any dev dependencies, only production ones

The package.json file is updated with dependancies for installed packages, and their versions

You can add ^ and ~ before numbers to enforce update policies

• ^ Allows minor and patch updates
• ~ Allows only patch updates

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Useful NPM Packages

• Nodemon Automatically restarts the node application when file changes in the directory are detected.
• AXIOS Promise based HTTP client for the browser and node.js
• Crypto - Cryptography library (code to Node)
• Jest Javascript unit testing framework
• Express Web framework for Node.js
• Express-Validators server-side data validator
• Cors Middleware for Express which tells browsers which origins can read responses from your server
• Plex-API Plex API client
• Node-Ping Ping library for Node
• Image-size Get dimensions of any image file or buffer
• Pkg Package your Node.js project into an executable
• Awesome-Notifications JavaScript notifications library with enhanced async support
• Swagger Provides tools for designing and building Swagger-compliant APIs
• Chart.js JavaScript charting for designers & developers
• JSDoc An API documentation generator for JavaScript.
• Tree2Folder Create files and folders from a simple ASCII tree diagram

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