From 61a1d3e0cc5f74703bdcb906f46441e557d224a6 Mon Sep 17 00:00:00 2001
From: Dzmitry Yurtsevich <dzmitry.yurtsevich@sbb.ch>
Date: Wed, 23 Oct 2024 13:41:18 +0200
Subject: [PATCH] fix: Fix JS - null pointer errors and absent parameter with
 later decomposing (#273)

Fixes #271
---
 .../resources/webapp/pdf-exporter/js/pdf-exporter.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/main/resources/webapp/pdf-exporter/js/pdf-exporter.js b/src/main/resources/webapp/pdf-exporter/js/pdf-exporter.js
index b3b2c4a..50edc13 100644
--- a/src/main/resources/webapp/pdf-exporter/js/pdf-exporter.js
+++ b/src/main/resources/webapp/pdf-exporter/js/pdf-exporter.js
@@ -45,7 +45,7 @@ const PdfExporter = {
     },
 
     openPopup: function (params) {
-        this.exportContext = params?.exportContext ? params.exportContext : new ExportContext();
+        this.exportContext = params?.exportContext ? params.exportContext : new ExportContext({});
 
         this.hideAlerts();
         this.loadFormData();
@@ -606,8 +606,12 @@ const PdfExporter = {
         document.querySelectorAll(".modal__container.pdf-exporter input.error").forEach(input => {
             input.classList.remove("error");
         });
-        document.getElementById('page-previews').innerHTML = "";
-        document.getElementById("suspicious-wi").innerHTML = "";
+        if (document.getElementById('page-previews')) {
+            document.getElementById('page-previews').innerHTML = "";
+        }
+        if (document.getElementById("suspicious-wi")) {
+            document.getElementById("suspicious-wi").innerHTML = "";
+        }
     },
 
     callAsync: function ({method, url, contentType, responseType, body}) {
@@ -629,4 +633,4 @@ const PdfExporter = {
     },
 }
 
-PdfExporter.init();
\ No newline at end of file
+PdfExporter.init();