From 6b7d1e89140c7f3437dfbe72a331d2cbe4d19af6 Mon Sep 17 00:00:00 2001
From: christophe-g <christophe.geiser@gmail.com>
Date: Mon, 10 Jul 2023 22:09:24 +0200
Subject: [PATCH] chore(radio): make maskId readonly; add comment explaining
 reason for maskId to exist

---
 radio/lib/radio.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/radio/lib/radio.ts b/radio/lib/radio.ts
index a02ede8042..3c0d893e8b 100644
--- a/radio/lib/radio.ts
+++ b/radio/lib/radio.ts
@@ -35,7 +35,9 @@ export class Radio extends LitElement {
   /** @nocollapse */
   static formAssociated = true;
 
-  private maskId = `cutout${++maskId}`;
+  // Unique maskId is required because of a Safari bug that fail to persist 
+  // reference to the mask. This should be removed once the bug is fixed.
+  private readonly maskId = `cutout${++maskId}`;
 
   /**
    * Whether or not the radio is selected.