addu fo

lua/custom/plugins/ufo-folding.lua

@@ -0,0 +1,23 @@
+return {
+  'kevinhwang91/nvim-ufo',
+  version = '*',
+  dependencies = {
+    'kevinhwang91/promise-async',
+  },
+  config = function()
+    vim.o.foldcolumn = '1' -- '0' is not bad
+    vim.o.foldlevel = 99 -- Using ufo provider need a large value, feel free to decrease the value
+    vim.o.foldlevelstart = 99
+    vim.o.foldenable = true
+
+    -- Using ufo provider need remap `zR` and `zM`. If Neovim is 0.6.1, remap yourself
+    vim.keymap.set('n', 'zR', require('ufo').openAllFolds)
+    vim.keymap.set('n', 'zM', require('ufo').closeAllFolds)
+
+    require('ufo').setup {
+      provider_selector = function(bufnr, filetype, buftype)
+        return { 'treesitter', 'indent' }
+      end,
+    }
+  end,
+}