From 5ae9952ba135bcce3f0a88f766456d8053999f81 Mon Sep 17 00:00:00 2001
From: contributor <foss.contributor@gmail.com>
Date: Sat, 14 Mar 2026 01:30:59 +0200
Subject: [PATCH] use pagehide event instead of unload

---
 packages/pdfjs-viewer/src/custom.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/pdfjs-viewer/src/custom.ts b/packages/pdfjs-viewer/src/custom.ts
index ad781a7872..1344a68897 100644
--- a/packages/pdfjs-viewer/src/custom.ts
+++ b/packages/pdfjs-viewer/src/custom.ts
@@ -50,7 +50,7 @@ function configurePdfViewerOptions() {
     };
     if (window.parent && window.parent !== window) {
         window.parent.addEventListener("webviewerloaded", pdfOptionsHandler);
-        window.addEventListener("unload", () => window.parent.removeEventListener("webviewerloaded", pdfOptionsHandler));
+        window.addEventListener("pagehide", () => window.parent.removeEventListener("webviewerloaded", pdfOptionsHandler));
     }
 }