From 7a4da7cb984366b72eaf70ac8170412281921330 Mon Sep 17 00:00:00 2001
From: Marcel <marcel@familienarchiv>
Date: Sun, 12 Apr 2026 22:10:33 +0200
Subject: [PATCH] fix(pdf): guard against null textLayerEl in renderPage

Prevents 'can't access property innerHTML, textDiv is null' when
the component unmounts while a render is in flight (e.g. switching
to OCR progress view tears down the panel content).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 frontend/src/lib/components/PdfViewer.svelte | 1 +
 1 file changed, 1 insertion(+)

diff --git a/frontend/src/lib/components/PdfViewer.svelte b/frontend/src/lib/components/PdfViewer.svelte
index 7705620b..2574e8d0 100644
--- a/frontend/src/lib/components/PdfViewer.svelte
+++ b/frontend/src/lib/components/PdfViewer.svelte
@@ -145,6 +145,7 @@ async function renderPage(doc: PDFDocumentProxy, pageNum: number) {
 
 	// Text layer
 	const textDiv = textLayerEl;
+	if (!textDiv) return;
 	textDiv.innerHTML = '';
 	textDiv.style.width = `${viewport.width / dpr}px`;
 	textDiv.style.height = `${viewport.height / dpr}px`;