Test fern

Author: luathn

vim/init.vim

@@ -41,6 +41,7 @@ else
   Plug 'nvim-lua/completion-nvim'
   Plug 'steelsojka/completion-buffers'
 endif
+Plug 'lambdalisue/fern.vim'
 call plug#end()
 
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
@@ -429,7 +430,7 @@ let g:fzf_tags_prompt = "Gd "
 
 " Indentline
 let g:indentLine_char = '│'
-let g:indentLine_fileTypeExclude = ['defx']
+let g:indentLine_fileTypeExclude = ['defx', 'fern']
 
 " Vim test
 let test#strategy = "asyncrun"
@@ -563,3 +564,49 @@ augroup RubySpecialKeywordCharacters
 augroup END
 
 lua require("lsp_config")
+
+" Fern
+let g:fern#disable_default_mappings = 1
+let g:fern#renderer#default#root_symbol = '[root] '
+let g:fern#renderer#default#leading = '  '
+let g:fern#renderer#default#leaf_symbol = '  '
+let g:fern#renderer#default#collapsed_symbol = ' '
+let g:fern#renderer#default#expanded_symbol = 'ﱮ '
+
+nnoremap <C-b> :Fern . -drawer<CR>
+function! s:init_fern() abort
+  nmap <nowait><buffer> d <Plug>(fern-action-remove)
+  nmap <nowait><buffer> c <Plug>(fern-action-clipboard-copy)
+  nmap <buffer> x <Plug>(fern-action-clipboard-move)
+  nmap <buffer> p <Plug>(fern-action-clipboard-paste)
+  nmap <buffer> o <Plug>(fern-action-open-or-expand)
+  nmap <buffer> i <Plug>(fern-action-collapse)
+  nmap <buffer> l <Plug>(fern-action-open-or-enter)
+  nmap <buffer> h <Plug>(fern-action-leave)
+  nmap <buffer> m <Plug>(fern-action-new-path)
+  nmap <buffer> v <Plug>(fern-action-mark:toggle)
+  nmap <buffer> V <Plug>(fern-action-mark:clear)
+  nmap <buffer> r <Plug>(fern-action-rename)
+  nmap <buffer> H <Plug>(fern-action-hidden:toggle)
+  nmap <buffer> fi <Plug>(fern-action-include)
+  nmap <buffer> <CR> <Plug>(fern-action-open-or-expand)
+  nmap <buffer> <C-C> <Plug>(fern-action-cancel)
+  nmap <buffer> q :<C-u>quit<CR>
+endfunction
+
+augroup fern-custom
+  autocmd! *
+  autocmd FileType fern call s:init_fern()
+augroup END
+
+nnoremap <silent> <Leader>ee :Fern . -drawer -reveal=%<CR>
+
+function! s:on_highlight() abort
+  highlight link FernRootSymbol Comment
+  highlight link FernRootText   Statement
+endfunction
+
+augroup MyFernHighlight
+  autocmd!
+  autocmd User FernHighlight call s:on_highlight()
+augroup END