lua/my_options.lua

@@ -48,3 +48,8 @@ opt.smartindent= true
 
 -- disable nvim intro
 opt.shortmess:append('sI')
+
+-- Treesitter based folding
+opt.foldlevel = 20
+opt.foldmethod = 'expr'
+opt.foldexpr = 'nvim_treesitter#foldexpr()'

lua/setup/my_command_center.lua

@@ -167,4 +167,11 @@ command_center.add({
       { 'n', '<leader>a', silent_noremap },
     },
   },
+  {
+    description = 'Toggle fold',
+    cmd = 'za',
+    keybindings = {
+      { 'n', '<space>x', silent_noremap },
+    },
+  },
 })