From 1f083db66c05ed737d3ca9ccf037d7de2a62f00e Mon Sep 17 00:00:00 2001
From: David <33458145+davidmcpowell@users.noreply.github.com>
Date: Mon, 3 Jun 2024 10:20:57 +0100
Subject: [PATCH] Merge pull request #18601 from overleaf/dp-pdf

Only set initial pdf page number on first page render

GitOrigin-RevId: f272acb2bce704037079e01dde89e475414e9fea
---
 .../js/features/pdf-preview/components/pdf-js-viewer.jsx       | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/services/web/frontend/js/features/pdf-preview/components/pdf-js-viewer.jsx b/services/web/frontend/js/features/pdf-preview/components/pdf-js-viewer.jsx
index fdc1cb76ca..e8ab562b6b 100644
--- a/services/web/frontend/js/features/pdf-preview/components/pdf-js-viewer.jsx
+++ b/services/web/frontend/js/features/pdf-preview/components/pdf-js-viewer.jsx
@@ -131,6 +131,9 @@ function PdfJsViewer({ url, pdfFile }) {
 
     const handleRenderedInitialPageNumber = () => {
       setPage(pdfJsWrapper.viewer.currentPageNumber)
+
+      // Only need to set the initial page number once.
+      pdfJsWrapper.eventBus.off('pagerendered', handleRenderedInitialPageNumber)
     }
 
     const handleScaleChanged = () => {