improvements per review

Author: sarmong

lua/nvim-tree.lua

@@ -311,7 +311,7 @@ local function setup_autocommands(opts)
   if opts.update_cwd then
     create_nvim_tree_autocmd("DirChanged", {
       callback = function()
-        M.change_dir(vim.loop.cwd)
+        M.change_dir(vim.loop.cwd())
       end,
     })
   end

lua/nvim-tree/actions/open-file.lua

@@ -260,7 +260,9 @@ function M.fn(mode, filename)
       vim.api.nvim_create_autocmd({ "TextChanged", "TextChangedI" }, {
         group = vim.api.nvim_create_augroup("RemoveBufHidden", {}),
         buffer = vim.api.nvim_get_current_buf(),
-        command = "setlocal bufhidden=",
+        callback = function()
+          vim.bo.bufhidden = ""
+        end,
         once = true,
       })
     end