From 7d80579f09a5f37310aae12aa2dbf74b2f2431d0 Mon Sep 17 00:00:00 2001
From: fisker Cheung <lionkay@gmail.com>
Date: Fri, 23 Jan 2026 10:03:50 +0800
Subject: [PATCH] Check AST shape instead of `parser` (#18724)

---
 src/language-js/print/call-arguments.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/language-js/print/call-arguments.js b/src/language-js/print/call-arguments.js
index d45458521..598e42bf6 100644
--- a/src/language-js/print/call-arguments.js
+++ b/src/language-js/print/call-arguments.js
@@ -90,7 +90,7 @@ function printCallArguments(path, options, print) {
 
   const maybeTrailingComma =
     // Angular does not allow trailing comma
-    !options.parser.startsWith("__ng_") &&
+    path.root.type !== "NGRoot" &&
     // Dynamic imports cannot have trailing commas
     node.type !== "ImportExpression" &&
     node.type !== "TSImportType" &&