glitch how to install all packages in package.json code example

Example 1: how to remove unnecessary packages in linux

sudo apt autoremove --purge
sudo apt-get clean

Example 2: remove all packages npm

npm ls -gp --depth=0 | awk -F/ '/node_modules/ && !/\/npm$/ {print $NF}' | xargs npm -g rm

Example 3: how to import npm packages in node.js?

//in cmd prompt: 
//npm i <package-name>

//defining package in code: 
const package = require("package-name")