formatting

home/code.nix

@@ -9,7 +9,7 @@
   ]; 
 
   programs.neovim = {
-    enable = true; 
+    enable      = true;
     extraConfig = ''
       " syntax
       syntax enable
@@ -34,19 +34,48 @@
 
       " enable indent guides
       let g:indent_guides_enable_on_vim_startup = 1
+
+      " Exit Vim if NERDTree is the only window left.
+      autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() |
+      \ quit | endif
+
+      " Start NERDTree. If a file is specified, move the cursor to its window.
+      autocmd StdinReadPre * let s:std_in=1
+      autocmd VimEnter * NERDTree | if argc() > 0 || exists("s:std_in") | wincmd p | endif
+
+      " Start NERDTree when Vim starts with a directory argument.
+      autocmd StdinReadPre * let s:std_in=1
+      autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists('s:std_in') |
+      \ execute 'NERDTree' argv()[0] | wincmd p | enew | execute 'cd '.argv()[0] | endif
+
+      " Exit Vim if NERDTree is the only window left.
+      autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() |
+      \ quit | endif
+
+      " Start interactive EasyAlign in visual mode (e.g. vipga)
+      xmap ga <Plug>(EasyAlign)
+
+      " Start interactive EasyAlign for a motion/text object (e.g. gaip)
+      nmap ga <Plug>(EasyAlign)
+
+      " Highlight row and column
+      set cul
+      set cuc
     '';
 
-    viAlias = true; 
+    viAlias  = true;
     vimAlias = true;
-    plugins = with pkgs.vimPlugins; [ 
+    plugins  = with pkgs.vimPlugins; [
-      vim-nix 
+      vim-nix
       molokai
       YouCompleteMe
-      vim-airline 
+      vim-airline
       vim-airline-themes
       vim-lsp 
       vim-indent-guides
       vim-signify 
+      nerdtree
+      vim-easy-align
     ];
   };