From 15ec795de8ad7172ef6a815a24203b2336ca00f6 Mon Sep 17 00:00:00 2001
From: Stephan Rauh <3045767+stephanrauh@users.noreply.github.com>
Date: Wed, 5 Feb 2025 21:41:57 +0100
Subject: [PATCH] stephanrauh/ngx-extended-pdf-viewer#2784 make sure that the
 eventBus attribute is set before using it (fixed a bug that caused some
 documents to crash in single-page mode)

---
 web/pdf_viewer.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/web/pdf_viewer.js b/web/pdf_viewer.js
index 4bd766a0849bf..3af5ba403eded 100644
--- a/web/pdf_viewer.js
+++ b/web/pdf_viewer.js
@@ -284,6 +284,9 @@ class PDFViewer {
     this.container = options.container;
     this.viewer = options.viewer || options.container.firstElementChild;
 
+    /** #2784 modified by ngx-extended-pdf-viewer */
+    this.eventBus = options.eventBus;
+    /** #2784 end of modification by ngx-extended-pdf-viewer */
     /** #495 modified by ngx-extended-pdf-viewer */
     this.pageViewMode = options.pageViewMode || "multiple";
     /** end of modification */
@@ -307,7 +310,6 @@ class PDFViewer {
     }
     this.#resizeObserver.observe(this.container);
 
-    this.eventBus = options.eventBus;
     this.linkService = options.linkService || new SimpleLinkService();
     this.downloadManager = options.downloadManager || null;
     this.findController = options.findController || null;