From 67ee634c9e1037708519bd42d348243aa9cea468 Mon Sep 17 00:00:00 2001
From: pacien
Date: Sat, 21 Jul 2018 00:05:53 +0200
Subject: Display message on loading error

---
 pointless/viewer/viewer.js | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'pointless/viewer')

diff --git a/pointless/viewer/viewer.js b/pointless/viewer/viewer.js
index 75486a4..e3a1043 100644
--- a/pointless/viewer/viewer.js
+++ b/pointless/viewer/viewer.js
@@ -20,6 +20,10 @@ class Viewer {
     this.welcomeScreen.style.display = "none";
     pdfjsLib.getDocument(source).then(function(pdf) {
       const presentation = new Presentation(pdf);
+    }).catch(function(error) {
+      console.error(error);
+      window.alert("Error while loading presentation:\n\n" + error.message);
+      window.location.href = window.location.pathname; // reload without "?file=..."
     });
   }
 
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