plugin: undotree

lua/core/mappings.lua

@@ -109,6 +109,7 @@ M.kterm = {
         },
     },
 }
+
 M.telescope = {
     plugin = true,
 
@@ -131,6 +132,14 @@ M.telescope = {
     },
 }
 
+M.undotree = {
+    plugin = true,
+    n = {
+    -- toggle
+        ["<leader>u"] = { "<cmd> UndotreeToggle <CR>", "toggle undotree"},
+    },
+}
+
 M.whichkey = {
     plugin = true,
 

lua/core/options.lua

@@ -39,6 +39,7 @@ opt.shortmess:append "sI"
 opt.signcolumn = "yes"
 opt.termguicolors = true
 opt.timeoutlen = 400
+opt.undofile = true
 
 -- interval for writing swap file to disk, also used by gitsigns
 opt.updatetime = 250

lua/plugins/init.lua

@@ -141,6 +141,13 @@ local plugins = {
         end,
     },
 
+    ["mbbill/undotree"] = {
+        cmd = "UndotreeToggle",
+        init = function ()
+           require("core.utils").load_mappings "undotree"
+        end,
+    },
+
     ["krolyxon/kterm"] = {
         config = function()
             require "plugins.configs.kterm"