Comprehensive npm Guide: Managing Packages Effectively

npm Versioning and Help

Get Version

npm -v

Get Help

npm help
npm

Package Initialization

Create package.json

npm init
npm init -y

Configuration Defaults

Set Defaults

npm config set init-author-name "YOUR NAME"
npm set init-license "MIT"

Get Defaults

npm config get init-author-name
npm get init-license

Remove Defaults

npm config delete init-author-name
npm delete init-license

Managing Local Packages

Installing Local Packages

npm install lodash --save
npm install moment --save
npm install gulp gulp-sass --save-dev

Installing in Different Modes

Move to Another Folder

npm install
npm install --production

Removing Modules

npm uninstall gulp-sass --save-dev
npm remove gulp --save-dev

Version-Specific Installation

Install Certain Versions

npm install lodash@4.17.3 --save

Update Packages

npm update lodash --save

Global Module Management

Install Global Module

npm install -g nodemon
npm install -g live-server

Run nodemon

nodemon

Path and Removal

Find Root Folder

npm root -g

Remove Global Packages

npm remove -g nodemon

Package Listing

Listing Packages

npm list
npm list --depth 0
npm list --depth 1

Local Module Installation

Install live-server Locally

npm install live-server --save-dev

Custom npm Scripts

"scripts": {
  "start": "node index.js",
  "dev": "live-server"
}