From 56a8237ef4b9cfcf6081c61349e2994a57d2093c Mon Sep 17 00:00:00 2001
From: Josh Matthews <josh@joshmatthews.net>
Date: Tue, 30 May 2023 10:32:33 -0400
Subject: Throw type error when calling DOM constructor without new.

---
 components/script/dom/bindings/utils.rs | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'components/script/dom/bindings/utils.rs')

diff --git a/components/script/dom/bindings/utils.rs b/components/script/dom/bindings/utils.rs
index 87748da1ec4..7557f4a3fa8 100644
--- a/components/script/dom/bindings/utils.rs
+++ b/components/script/dom/bindings/utils.rs
@@ -637,3 +637,7 @@ impl AsCCharPtrPtr for [u8] {
         self as *const [u8] as *const c_char
     }
 }
+
+pub unsafe fn callargs_is_constructing(args: &CallArgs) -> bool {
+    (*args.argv_.offset(-1)).is_magic()
+}
-- 
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