I think this might be helpful for any novice Angular developer like me. It is important to know how this package.json works, among other things, because of possible vulnerabilities of the project.
Also it is useful to avoid a backup of the node_modules folder, making your project back up much smaller and it will allow NPM (Node Package Manager), to install all the required dependencies whenever you need it.
I also shared it on my linkedin. Visit me and tell me what you think 🙂
EDIT: I update with some good info which may be very helpful to you, as I asked about package.json and vulnerabilities on Stack Overflow and I received a very good answer: