Consider comment after intro token when increasing indent

Fixes #1222

Author: JohnnyMorganz

CHANGELOG.md

@@ -14,6 +14,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - Sync to upstream Luau 0.698
 
+### Fixed
+
+- Fixed auto-indentation in VSCode when entering a block if there is a comment after the introduction token (e.g., `if true then -- comment`) ([#1222](https://github.com/JohnnyMorganz/luau-lsp/issues/1222))
+
 ## [1.55.0] - 2025-10-19
 
 ### Added

editors/code/language-configuration.json

@@ -40,7 +40,7 @@
   "autoCloseBefore": ">}])` \n\t",
 
   "indentationRules": {
-    "increaseIndentPattern": "^((?!(\\-\\-)).)*((\\b(function|do|repeat)\\b((?!\\b(end|until)\\b).)*)|(\\{\\s*)|(\\b(then|else)\\b[;\\s]*))$",
+    "increaseIndentPattern": "^((?!(\\-\\-)).)*((\\b(function|do|repeat)\\b((?!\\b(end|until)\\b).)*)|(\\{\\s*)|(\\b(then|else)\\b[;\\s]*))(\\-\\-.*)*$",
     "decreaseIndentPattern": "^\\s*((\\b(end|until)\\b)|(\\})|(\\))|(\\b(else)\\b[;\\s]*))"
   }
 }