if you use :GFiles instead of :Files it will ignore everything that is in .gitignore. That should solve the cases you mentioned, although it does not provide a general answer.
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How do you go by ignoring directories such as
node_modules
or.github
if you use
:GFiles
instead of:Files
it will ignore everything that is in.gitignore
. That should solve the cases you mentioned, although it does not provide a general answer.