fix: Suppress Publift Fuse cross-origin errors (#649)

Co-authored-by: seer-by-sentry[bot] <157164994+seer-by-sentry[bot]@users.noreply.github.com>
Co-authored-by: Tanner Linsley <[email protected]>

Author: seer-by-sentry[bot]

src/components/Gam.tsx

@@ -37,16 +37,71 @@ declare global {
 
 export function GamOnPageChange() {
   if (typeof window === 'undefined' || !window.fusetag) return
-  window.fusetag.que.push(function () {
-    window.fusetag.pageInit()
-  })
+  try {
+    window.fusetag.que.push(function () {
+      try {
+        window.fusetag.pageInit()
+      } catch (error) {
+        // Suppress cross-origin errors from Publift Fuse ad viewability measurement
+        // These can occur on iOS Safari due to strict Same-Origin Policy enforcement
+        console.debug('Error during fusetag.pageInit():', error)
+      }
+    })
+  } catch (error) {
+    // Suppress cross-origin errors from Publift Fuse ad viewability measurement
+    console.debug('Error calling fusetag.que.push():', error)
+  }
 }
 
 export const GamScripts = () => (
   <>
+    <script
+      dangerouslySetInnerHTML={{
+        __html: `
+  // Add global error handler to suppress Publift Fuse cross-origin errors
+  // These errors occur in iOS Safari due to strict Same-Origin Policy enforcement
+  // when the ad viewability script tries to access parent window properties
+  (function() {
+    var originalErrorHandler = window.onerror;
+    window.onerror = function(message, source, lineno, colno, error) {
+      // Check if this is a Publift Fuse cross-origin error
+      if (
+        source && (
+          source.includes('/media/native/') ||
+          source.includes('fuse.js') ||
+          source.includes('fuseplatform.net')
+        ) && (
+          (message && typeof message === 'string' && (
+            message.includes('contextWindow.parent') ||
+            message.includes('null is not an object')
+          )) ||
+          (error && error.message && (
+            error.message.includes('contextWindow.parent') ||
+            error.message.includes('null is not an object')
+          ))
+        )
+      ) {
+        // Suppress the error - log to console in debug mode
+        console.debug('Suppressed Publift Fuse cross-origin error:', message, source);
+        return true; // Prevent default error handling
+      }
+      // Call original error handler for other errors
+      if (originalErrorHandler) {
+        return originalErrorHandler.apply(this, arguments);
+      }
+      return false;
+    };
+  })();
+`,
+      }}
+    />
     <script
       async
       src="https://cdn.fuseplatform.net/publift/tags/2/4019/fuse.js"
+      onError={(e) => {
+        // Suppress script loading errors from Publift Fuse
+        console.debug('Error loading fuse.js:', e)
+      }}
     />
     <script
       dangerouslySetInnerHTML={{