Hi, I suggest using <package>... instead of [list_of_packages...], because it's not optional, and is a placeholder name.
For more on usage conventions and traditions, I recommend the docopt standard.
(--save-prod | --save | -S) can be omitted, it is the default starting from npm 5
(--save-prod | --save | -S)
Thanks for writing this excellent and beneficial article. It makes things a lot more clear to me. I will start experimenting and learning in a sandbox.
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