From 15defecc74373c5a370c01ae057bc1ee50b5ddbb Mon Sep 17 00:00:00 2001
From: "Alexandre Cavalheiro S. Tiago da Silva" <contact@thewizard.link>
Date: Tue, 11 Feb 2025 23:25:53 -0300
Subject: [PATCH] fix(neovim): prefer nvim-treesitter for C# folds

---
 .../programs/neovim/lua/plugins/nvim-ufo.lua  | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 modules/home-manager/programs/neovim/lua/plugins/nvim-ufo.lua

diff --git a/modules/home-manager/programs/neovim/lua/plugins/nvim-ufo.lua b/modules/home-manager/programs/neovim/lua/plugins/nvim-ufo.lua
new file mode 100644
index 0000000..bc14746
--- /dev/null
+++ b/modules/home-manager/programs/neovim/lua/plugins/nvim-ufo.lua
@@ -0,0 +1,32 @@
+---@type LazySpec
+return {
+  "kevinhwang91/nvim-ufo",
+  opts = {
+    provider_selector = function(_, filetype, _)
+      ---@type table<string, UfoProviderEnum | UfoProviderEnum[]>
+      local ftDefaults = {
+        cs = "treesitter",
+      }
+
+      local function handleFallbackException(bufnr, err, providerName)
+        if type(err) == "string" and err:match("UfoFallbackException") then
+          return require("ufo").getFolds(bufnr, providerName)
+        else
+          return require("promise").reject(err)
+        end
+      end
+
+      return ftDefaults[filetype]
+          or function(bufnr)
+            return require("ufo")
+                .getFolds(bufnr, "lsp")
+                :catch(function(err)
+                  return handleFallbackException(bufnr, err, "treesitter")
+                end)
+                :catch(function(err)
+                  return handleFallbackException(bufnr, err, "indent")
+                end)
+          end
+    end,
+  },
+}