Fix crash on invalid FFlags

Fixes #281

Author: JohnnyMorganz

CHANGELOG.md

@@ -10,6 +10,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - Fixed document symbol crash on incomplete functions
 - Fixed `--base-luaurc` not registering for an LSP server
+- Fixed crashing on invalid FFlags configuration - the VSCode client will now validate the flags
 
 ## [1.16.1] - 2023-01-30
 

editors/code/src/extension.ts

@@ -356,7 +356,10 @@ export async function activate(context: vscode.ExtensionContext) {
   const overridenFFlags = fflagsConfig.get<FFlags>("override");
   if (overridenFFlags) {
     for (const [name, value] of Object.entries(overridenFFlags)) {
-      fflags[name] = value;
+      // Validate that the name and value is valid
+      if (name.length > 0 && value.length > 0) {
+        fflags[name] = value;
+      }
     }
   }