folding and avante enabled

lua/tools/folding.lua

@@ -0,0 +1,27 @@
+vim.opt.foldmethod = "expr"
+vim.opt.foldexpr = "nvim_treesitter#foldexpr()"
+
+vim.opt.foldcolumn = "0"
+vim.opt.foldtext = ""
+
+vim.opt.foldlevel = 99
+vim.opt.foldlevelstart = 99
+
+vim.opt.foldnestmax = 3
+
+vim.keymap.set('n', '<leader>z', function()
+  local any_fold_open = false
+  for lnum = 1, vim.fn.line('$') do
+    if vim.fn.foldclosed(lnum) ~= -1 then
+      any_fold_open = true
+      break
+    end
+  end
+  if any_fold_open then
+    -- There's at least one closed fold, so open all
+    vim.cmd('normal! zR')
+  else
+    -- All folds are open, so close all
+    vim.cmd('normal! zM')
+  end
+end, { noremap = true, silent = true })