From e2036b98f4e16052037b428be128f6975e3ecab6 Mon Sep 17 00:00:00 2001
From: phanium <91544758+phanen@users.noreply.github.com>
Date: Thu, 29 Jan 2026 23:44:34 +0800
Subject: [PATCH] fix: filename can be nil

vim.schedule callback: vim/treesitter/languagetree.lua:215:
vim/filetype.lua:3160: At least one of "buf", "filename", or "contents"
must be given
---
 plugin/hmts.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/plugin/hmts.lua b/plugin/hmts.lua
index 8514070..d3fb1b9 100644
--- a/plugin/hmts.lua
+++ b/plugin/hmts.lua
@@ -154,6 +154,9 @@ end
 local function hmts_inject_handler(match, _, bufnr, predicate, metadata)
 	local path_node = match[predicate[2]]
 	local filename = find_filename_in_parent_node(path_node, bufnr)
+	if filename == nil then
+		return
+	end
 	local alias = vim.filetype.match({ filename = filename })
 
 	if alias == nil then