From 06f4b6fe25fd53413933bc0b3d33929a1ea9db2b Mon Sep 17 00:00:00 2001
From: w0rp <devw0rp@gmail.com>
Date: Fri, 21 Mar 2025 12:07:10 +0000
Subject: [PATCH] Detect the Lua project root using .luarc.json

---
 autoload/ale/lua.vim                       |  1 +
 test/linter/test_lua_language_server.vader |  5 +++++
 test/lua/.luarc.json                       | 19 +++++++++++++++++++
 3 files changed, 25 insertions(+)
 create mode 100644 test/lua/.luarc.json

diff --git a/autoload/ale/lua.vim b/autoload/ale/lua.vim
index cda81aac..f4a5d05c 100644
--- a/autoload/ale/lua.vim
+++ b/autoload/ale/lua.vim
@@ -4,6 +4,7 @@
 " Find project root for a Lua language server.
 function! ale#lua#FindProjectRoot(buffer) abort
     let l:possible_project_roots = [
+    \   '.luarc.json',
     \   '.git',
     \   bufname(a:buffer),
     \]
diff --git a/test/linter/test_lua_language_server.vader b/test/linter/test_lua_language_server.vader
index c4529835..f6abd364 100644
--- a/test/linter/test_lua_language_server.vader
+++ b/test/linter/test_lua_language_server.vader
@@ -14,3 +14,8 @@ Execute(lua-language-server should be configurable):
 
   AssertLinter 'billy', ale#Escape('billy')
   AssertLSPConfig {'x': 'y'}
+
+Execute(lua-language-server should detect the project root using .luarc.json):
+  call ale#test#SetFilename('../lua/dummy.lua')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../lua')
diff --git a/test/lua/.luarc.json b/test/lua/.luarc.json
new file mode 100644
index 00000000..98766310
--- /dev/null
+++ b/test/lua/.luarc.json
@@ -0,0 +1,19 @@
+{
+  "$schema": "https://raw.githubusercontent.com/LuaLS/vscode-lua/master/setting/schema.json",
+  "diagnostics.globals": [
+    "vim",
+    "describe",
+    "it",
+    "before_each",
+    "after_each",
+    "setup",
+    "teardown",
+    "pending",
+    "assert"
+  ],
+  "workspace.library": [
+    "../../lua"
+  ],
+  "runtime.version": "LuaJIT",
+  "hint.enable": false
+}