A local package is a package installed locally into your project.
As opposed to global where your package is available on the whole system (computer)
npm install will create the node_modules directory in the current directory (if one doesn't exist yet), and will download the package to that directory.
yarn add package
npm install package
npm install --save-dev <package_name>
npm uninstall --save-dev <package_name>
See npm install doc
The node_modules directory in the current directory.
in the same directory as your package.json file.
npm update
npm outdated
No output ! https://docs.npmjs.com/cli/outdated
https://bundlephobia.com - https://github.com/pastelsky/bundlephobia