From 96651972b0c1094697ec4cb9643b4c36903f3815 Mon Sep 17 00:00:00 2001
From: arne314 <73391160+arne314@users.noreply.github.com>
Date: Wed, 11 Jun 2025 17:00:35 +0200
Subject: [PATCH] feat(snip): add undo breakpoints

---
 lua/typstar/config.lua | 1 +
 lua/typstar/engine.lua | 9 +++++++++
 2 files changed, 10 insertions(+)

diff --git a/lua/typstar/config.lua b/lua/typstar/config.lua
index b7b4b19..0a9b338 100644
--- a/lua/typstar/config.lua
+++ b/lua/typstar/config.lua
@@ -18,6 +18,7 @@ local default_config = {
     },
     snippets = {
         enable = true,
+        add_undo_breakpoints = true,
         modules = { -- enable modules from ./snippets
             'letters',
             'math',
diff --git a/lua/typstar/engine.lua b/lua/typstar/engine.lua
index 2cd8c33..4757b13 100644
--- a/lua/typstar/engine.lua
+++ b/lua/typstar/engine.lua
@@ -167,6 +167,15 @@ function M.setup()
             end
         end
         luasnip.add_snippets('typst', autosnippets)
+
+        if cfg.add_undo_breakpoints then
+            vim.api.nvim_create_autocmd('User', {
+                pattern = 'LuasnipPreExpand',
+                callback = function()
+                    vim.api.nvim_feedkeys(vim.api.nvim_replace_termcodes('<C-g>u', true, false, true), 'n', false)
+                end,
+            })
+        end
     end
 end