nnoremap <leader>d <cmd>Defx `escape(expand('%:p:h'), ' :')` -search=`expand('%:p')` -split=vertical -winwidth=50 -direction=topleft<CR>

autocmd FileType defx call s:defx_my_settings()
function! s:defx_my_settings() abort
  " Define mappings
  nnoremap <silent><buffer><expr> <CR>
        \ defx#do_action('drop') " instead of open
  nnoremap <silent><buffer><expr> c
        \ defx#do_action('copy')
  nnoremap <silent><buffer><expr> m
        \ defx#do_action('move')
  nnoremap <silent><buffer><expr> p
        \ defx#do_action('paste')
  nnoremap <silent><buffer><expr> l
        \ defx#do_action('drop')
  nnoremap <silent><buffer><expr> E
        \ defx#do_action('open', 'vsplit')
  nnoremap <silent><buffer><expr> P
        \ defx#do_action('preview')
  nnoremap <silent><buffer><expr> o
        \ defx#do_action('open_tree', 'toggle')
  nnoremap <silent><buffer><expr> K
        \ defx#do_action('new_directory')
  nnoremap <silent><buffer><expr> N
        \ defx#do_action('new_file')
  nnoremap <silent><buffer><expr> M
        \ defx#do_action('new_multiple_files')
  nnoremap <silent><buffer><expr> C
        \ defx#do_action('toggle_columns',
        \                'mark:indent:icon:filename:type:size:time')
  nnoremap <silent><buffer><expr> S
        \ defx#do_action('toggle_sort', 'time')
  nnoremap <silent><buffer><expr> d
        \ defx#do_action('remove')
  nnoremap <silent><buffer><expr> r
        \ defx#do_action('rename')
  nnoremap <silent><buffer><expr> !
        \ defx#do_action('execute_command')
  nnoremap <silent><buffer><expr> x
        \ defx#do_action('execute_system')
  nnoremap <silent><buffer><expr> yy
        \ defx#do_action('yank_path')
  nnoremap <silent><buffer><expr> .
        \ defx#do_action('toggle_ignored_files')
  nnoremap <silent><buffer><expr> ;
        \ defx#do_action('repeat')
  nnoremap <silent><buffer><expr> h
        \ defx#do_action('cd', ['..'])
  nnoremap <silent><buffer><expr> ~
        \ defx#do_action('cd')
  nnoremap <silent><buffer><expr> q
        \ defx#do_action('quit')
  nnoremap <silent><buffer><expr> <Space>
        \ defx#do_action('toggle_select') . 'j'
  nnoremap <silent><buffer><expr> *
        \ defx#do_action('toggle_select_all')
  nnoremap <silent><buffer><expr> j
        \ line('.') == line('$') ? 'gg' : 'j'
  nnoremap <silent><buffer><expr> k
        \ line('.') == 1 ? 'G' : 'k'
  nnoremap <silent><buffer><expr> <C-l>
        \ defx#do_action('redraw')
  nnoremap <silent><buffer><expr> <C-g>
        \ defx#do_action('print')
  nnoremap <silent><buffer><expr> cd
        \ defx#do_action('change_vim_cwd')
endfunction