npm install cheatsheet

# FIRST INSTALL: the most recent lts release
nvm install --lts

# install a specific version
nvm install 12.13.0

# install latest version
nvm install node

# list all installed versions
nvm ls

# set default version of node
nvm alias default 12.13.0

# full list of available versions
# be careful, it's too long!!!
nvm ls-remote

# switch between versions
nvm use 12.13.0
# or (more quickly)
nvm use v15

# uninstall some version
nvm uninstall 12.13.0

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

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

# Check version
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

# install a local package
npm install /path/to/package

# from github repository
npm i git+https://github.com/abc/xyz.git # https
# or
npm i git+ssh://git@github.com/abc/xyz.git # ssh

# 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

# Set python2 by default when installing npm packages
npm config set python python2

# 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npm outdated -g --depth=0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

# Install first
npm i --save npm-run-all