Easy way to have Homebrew list all package dependencies

For all packages:

brew deps --tree --installed

For one package only (e.g.):

brew deps --tree --installed vim

Thanks to rob-kovacs for suggesting the --tree addition

See this helpful article for details: https://blog.jpalardy.com/posts/untangling-your-homebrew-dependencies/
Especially if you’re interested in creating a graph of the dependency tree.