microsoft · sheetalkamat · Jun 16, 2020 · sheetalkamat · Jun 16, 2020 · sheetalkamat
diff --git a/src/server/session.ts b/src/server/session.ts
+        CommandNames.CompileOnSaveEmitFile,
+        CommandNames.CompilerOptionsDiagnosticsFull,
+        CommandNames.EncodedSemanticClassificationsFull,
+        CommandNames.SemanticDiagnosticsSync,
diff --git a/Gulpfile.js b/Gulpfile.js
diff --git a/src/server/session.ts b/src/server/session.ts
diff --git a/src/services/services.ts b/src/services/services.ts
@@ -1171,6 +1171,26 @@ namespace ts {
        }
    }

+    const invalidOperationsOnSyntaxOnly: readonly (keyof LanguageService)[] = [
diff --git a/src/services/services.ts b/src/services/services.ts
+        if (syntaxOnly) {
+            invalidOperationsOnSyntaxOnly.forEach(key =>
+                ls[key] = (...args: any[]) => {
+                    throw new Error(`LanguageService Operation: ${key} not allowed on syntaxServer:: arguments::${JSON.stringify(args)}`);