Set Commenting and FileTypes

commenting.vim

if has('autocmd')
        " Commenting
        augroup comment
                au FileType c,cpp,rust,javascript,java,pde,scala,go,php,v,sv,proto let b:comment_leader = "// "
                au FileType sh,yml,yaml,bash,python,pyx,nim let b:comment_leader = "# "
                au FileType vim let b:comment_leader = '" '
                au FileType tex let b:comment_leader = "% "
                au FileType sql let b:comment_leader = "-- "
        augroup END

        noremap <silent> ,cc :<C-B>silent <C-E>s/^/<C-R>=escape(b:comment_leader,"\/")<CR>/<CR>:nohlsearch<CR>
        noremap <silent> ,xx :<C-B>silent <C-E>s/^\V<C-R>=escape(b:comment_leader,"\/")<CR>//e<CR>:nohlsearch<CR>

        " Setting specific filetypes
        augroup filetypes
                au BufRead,BufNewFile *.v,*.sv set filetype=verilog
                au BufRead,BufNewFile *.js,*.ts,*.vue set filetype=javascript
                au BufRead,BufNewFile *.pde set filetype=java
                au BufRead,BufNewFile *.plist set filetype=xml
        augroup END
endif