Help: how to comment lua code in vimscript?

[krisfans]

for example ,there is a piece of code in my vimrc, what should I do to comment bar1 with Comment.nvim?
vimrc

foo
lua << EOF
bar1
bar2
EOF

I know caw.vim together with context_filetype.vim can deal with this situation, may be helpful.
Thanks.

[numToStr]

You just need vim and lua tree-sitter parsers installed and everything should work just fine.

[krisfans]

Thanks, It works.
In addtion, Can Comment.nvim comment vimscript or lua surrounded by toml language? In this situation, some hooks in .toml such as hook_add will indicate that the next code's filetype is vimrc and context_filetype.vim plugin has made a patch for this situation.

[numToStr]

It'll work, if proper injections are in place. Rule of thumb, if neovim can highlight it as such, then it will always work with Comment.nvim.