From fc022b1b3a41f681947e5456e58bd112b1104191 Mon Sep 17 00:00:00 2001
From: Danny McGee <dannymcgee@gmail.com>
Date: Thu, 7 Mar 2024 20:58:00 -0500
Subject: [PATCH] Catch `DOMException` when accessing parent origin (#80)

---
 .../lib/iframe-messaging-bridge.element.ts    | 20 ++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/studio-web/src/lib/iframe-messaging-bridge.element.ts b/studio-web/src/lib/iframe-messaging-bridge.element.ts
index d065c5b..10a9900 100644
--- a/studio-web/src/lib/iframe-messaging-bridge.element.ts
+++ b/studio-web/src/lib/iframe-messaging-bridge.element.ts
@@ -28,13 +28,19 @@ export class IframeMessagingBridgeElement extends LitElement {
 	#parentOrigin?: string;
 
 	override connectedCallback(): void {
-		if (
-			window.parent
-			&& window.parent !== window
-			&& PARENT_ORIGIN_WHITELIST.includes(window.parent.origin)
-		) {
-			this.#parentWindow = window.parent;
-			this.#parentOrigin = window.parent.origin;
+		try {
+			if (
+				window.parent
+				&& window.parent !== window
+				&& PARENT_ORIGIN_WHITELIST.includes(window.parent.origin)
+			) {
+				this.#parentWindow = window.parent;
+				this.#parentOrigin = window.parent.origin;
+			}
+		}
+		catch {
+			this.#parentWindow = undefined;
+			this.#parentOrigin = undefined;
 		}
 
 		super.connectedCallback();