NodeJS & NPM

# npm
npm cache clean -f # clear the cache first
sudo npm install -g npm

# node
sudo npm install -g n
sudo n stable
# refresh the shell
source ~/.zshrc # if using zsh
source ~/.bashrc # is using bash

npm -v
node -v

npm install package_name # if it's in package.json, the indicated version will be installed
                         # otherwise, the newsest version will be installed
npm install --global package_name # global package

# install all package in package.json
npm install

# install + save to package.json
npm install --save package_name # save to package.json
npm install --save-dev package_name # save to package.json, in devDependencies
npm install --no-save package_name # don't save

# install with version
npm install express@4.16.1

# list all installed packages (current project only)
ls node_modules

# list all local (installed) packages
npm list # -g for globel # or use "ls"
npm list --depth=0 # without dependencies

# Check the current version of a (installed) package
npm list package_name # with "-g" for global

# Check the latest (not current) version of a package
npm view package_name version

# which global packages need to be updated?
npm outdated -g --depth=0

# update all global packages
npm update -g

# update a package
npm update package_name # -g for global

npm uninstall package