lua <<EOF
require('aerial').setup({
  filter_kind = false,
})

require('telescope').load_extension('aerial')
EOF

nnoremap <leader>a <cmd>AerialToggle!<CR>
nnoremap <leader>fa <cmd>Telescope aerial<CR>

" add aerial to tab switch filetypes
call add(g:NERDTreeStatusLineTabSwitchFiletypes, 'aerial')

" close Aerial and NERDTree if they are the only remaining windows
function AerialNERDTreeClose()
  if winnr('$') != 2
    return
  endif

  let window_filetypes = UtilityWinfiletypes()

  if index(window_filetypes, 'aerial') != -1 && index(window_filetypes, 'nerdtree') != -1
    " one quit suffices, since aerial and nerdtree close themselves
    quit
  endif
endfunction
autocmd BufEnter * call AerialNERDTreeClose()