add tree.lua nvim

nvim/.config/nvim/init.vim

@@ -66,6 +66,7 @@ nnoremap <C-n> :NvimTreeToggle<CR>
 nnoremap <leader>r :NvimTreeRefresh<CR>
 nnoremap <leader>n :NvimTreeFindFile<CR>
 nnoremap <silent> <C-s>    :BufferPick<CR>
+noremap <silent> <C-n> :lua require'tree'.toggle()<CR>
 lua require('init')
 " Allow saving of files as sudo when I forgot to start vim using sudo.
 cmap w!! w !sudo tee > /dev/null %

nvim/.config/nvim/lua/tree.lua

@@ -0,0 +1,16 @@
+local tree ={}
+local g = vim.g
+-- Explicitly set the nvim tree width
+g.nvim_tree_width = 30
+local tree_width = g.nvim_tree_width
+tree.toggle = function()
+   require('nvim-tree').toggle()
+  if require('nvim-tree.view').win_open() then
+   require('bufferline.state').set_offset(tree_width + 1, 'FileTree')
+   require('nvim-tree').find_file(true)
+ else
+    require('bufferline.state').set_offset(0)
+ end
+end
+
+return tree