Npm

npm is dependency/package manager that comes with Node.js and allows to install packages both globally and locally.

References

• https://www.npmjs.com/

Quickstart

# Upgrade npm
sudo npm install -g npm

# Install all dependencies of new project / checked-out branch
# ... this align versions with those in package.json
npm ci

# Install (newer version) of packages referenced in package.json
npm install

# Add a new package
npm install PACKAGE

# Add a new package, as development dependency (eg. test framework)
npm install -D typescript

# Install package globally
# ... usually not recommended since it breaks reproducibility.
# ... better use 'npx'
npm install -g PACKAGE

# Update dependency
npm update PACKAGE

npx

npx is Node.js package runner. It either runs package from local node_modules/ or from a global cache.

• https://www.freecodecamp.org/news/npm-vs-npx-whats-the-difference/