From afe6fc847155294d1a8dc1bef98857e9cc96a94c Mon Sep 17 00:00:00 2001
From: Bob Fanger <b.fanger@wearetriple.com>
Date: Sun, 12 Mar 2023 15:15:24 +0100
Subject: [PATCH] fix: Ignore iframes where access is blocked by CORS

Related #105

Prevents `Blocked a frame with origin ... from accessing a cross-origin frame.` errors
---
 packages/pixi-panel/src/connect.ts                    | 8 ++++++--
 packages/pixi-panel/src/pixi-devtools/pixiDevtools.ts | 8 ++++++--
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/packages/pixi-panel/src/connect.ts b/packages/pixi-panel/src/connect.ts
index 4628d9f..0cf3f98 100644
--- a/packages/pixi-panel/src/connect.ts
+++ b/packages/pixi-panel/src/connect.ts
@@ -18,8 +18,12 @@ function detect() {
     }
     if (win.frames) {
       for (let i = 0; i < win.frames.length; i += 1) {
-        if (win.frames[i][varname]) {
-          return true;
+        try {
+          if (win.frames[i][varname]) {
+            return true;
+          }
+        } catch (_) {
+          // access to iframe was denied
         }
       }
     }
diff --git a/packages/pixi-panel/src/pixi-devtools/pixiDevtools.ts b/packages/pixi-panel/src/pixi-devtools/pixiDevtools.ts
index 6a59e04..d265f30 100644
--- a/packages/pixi-panel/src/pixi-devtools/pixiDevtools.ts
+++ b/packages/pixi-panel/src/pixi-devtools/pixiDevtools.ts
@@ -16,8 +16,12 @@ export default function pixiDevtools() {
     }
     if (win.frames) {
       for (let i = 0; i < win.frames.length; i += 1) {
-        if (win.frames[i][varname]) {
-          return win.frames[i][varname];
+        try {
+          if (win.frames[i][varname]) {
+            return win.frames[i][varname];
+          }
+        } catch (_) {
+          // access to iframe was denied
         }
       }
     }