The article covers the basics, but not even close to mastering. shrinkwrap should really not be used anymore - package-lock is mostly automatic, and much bette

The article covers the basics, but not even close to mastering. shrinkwrap should really not be used anymore - package-lock is mostly automatic, and much better than shrinkwrap for what you want to do in most projects. If you want to talk about mastering npm, there are way more topics to cover, such as resolving issues when upgrading (`npm ls` helps here) and checking for vulnerabilities (`npm audit`).