undotree

lua/configs/undotree.lua

@@ -0,0 +1,20 @@
+vim.cmd [[
+let g:undotree_WindowLayout=2
+let g:undotree_DiffpanelHeight=8
+" let g:undotree_DiffCommand = "delta"
+
+if has("persistent_undo")
+   let target_path = expand('~/.undodir')
+
+    " create the directory and any parent directories
+    " if the location does not exist.
+    if !isdirectory(target_path)
+        call mkdir(target_path, "p", 0700)
+    endif
+
+    let &undodir=target_path
+    set undofile
+endif
+]]
+
+vim.keymap.set('n', '<leader>tu', vim.cmd.UndotreeToggle, {})

lua/plugins/init.lua

@@ -1,4 +1,12 @@
 return {
+    {
+        "mbbill/undotree",
+        lazy = false,
+        config = function()
+            require "configs.undotree"
+        end,
+    },
+
     {
         "stevearc/conform.nvim",
         -- event = 'BufWritePre', -- uncomment for format on save