From b926e7db417bc7b0e80feb778bed7924ffe8e85d Mon Sep 17 00:00:00 2001
From: qw457812 <37494864+qw457812@users.noreply.github.com>
Date: Tue, 16 Sep 2025 17:58:24 +0800
Subject: [PATCH] fix(treesitter-main): set vim.bo.indentexpr in FileType
 autocmd (#6430)

## Description

Ref:
https://github.com/nvim-treesitter/nvim-treesitter/blob/7aa24acae3a288e442e06928171f360bbdf75ba4/scripts/minimal_init.lua#L19-L24

## Related Issue(s)

<!--
  If this PR fixes any issues, please link to the issue here.
  - Fixes #<issue_number>
-->

## Screenshots

<!-- Add screenshots of the changes if applicable. -->

## Checklist

- [x] I've read the
[CONTRIBUTING](https://github.com/LazyVim/LazyVim/blob/main/CONTRIBUTING.md)
guidelines.
---
 .../plugins/extras/ui/treesitter-main.lua      | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/lua/lazyvim/plugins/extras/ui/treesitter-main.lua b/lua/lazyvim/plugins/extras/ui/treesitter-main.lua
index 1571cc03..bb22aabb 100644
--- a/lua/lazyvim/plugins/extras/ui/treesitter-main.lua
+++ b/lua/lazyvim/plugins/extras/ui/treesitter-main.lua
@@ -31,19 +31,21 @@ return {
         vim.list_extend(installed, install)
       end
 
-      -- backwards compatibility with the old treesitter config for indent
-      if vim.tbl_get(opts, "indent", "enable") then
-        vim.bo.indentexpr = "v:lua.require'nvim-treesitter'.indentexpr()"
-      end
-
-      -- backwards compatibility with the old treesitter config for highlight
-      if vim.tbl_get(opts, "highlight", "enable") then
+      -- backwards compatibility with the old treesitter config for highlight and indent
+      local highlight, indent = vim.tbl_get(opts, "highlight", "enable"), vim.tbl_get(opts, "indent", "enable")
+      if highlight or indent then
         vim.api.nvim_create_autocmd("FileType", {
           callback = function(ev)
             local lang = vim.treesitter.language.get_lang(ev.match)
-            if vim.tbl_contains(installed, lang) then
+            if not vim.tbl_contains(installed, lang) then
+              return
+            end
+            if highlight then
               pcall(vim.treesitter.start)
             end
+            if indent then
+              vim.bo[ev.buf].indentexpr = "v:lua.require'nvim-treesitter'.indentexpr()"
+            end
           end,
         })
       end