From 7294e18d4c947141b8d226fbd791b79d2de05569 Mon Sep 17 00:00:00 2001
From: TanninOne <seppleviathan@gmx.de>
Date: Fri, 25 Jan 2019 12:34:55 +0100
Subject: [PATCH] avoid crash if external changes are missing change times for
 some reason

fixes #1034
---
 src/extensions/mod_management/views/ExternalChangeDialog.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/extensions/mod_management/views/ExternalChangeDialog.tsx b/src/extensions/mod_management/views/ExternalChangeDialog.tsx
index b3063c359..2472504b1 100644
--- a/src/extensions/mod_management/views/ExternalChangeDialog.tsx
+++ b/src/extensions/mod_management/views/ExternalChangeDialog.tsx
@@ -357,14 +357,14 @@ class ExternalChangeDialog extends ComponentEx<IProps, IComponentState> {
         id: 'staged_changed',
         name: 'Staged file modified',
         description: 'Last time the stage file (the one in the mod staging folder) was modified',
-        calc: (file: IFileEntry, t) => file.sourceModified.toLocaleString(),
+        calc: (file: IFileEntry, t) => (file.sourceModified !== undefined) ? file.sourceModified.toLocaleString() : '',
         placement: 'table',
         edit: {},
       }, {
         id: 'deployment_changed',
         name: 'Deployed file modified',
         description: 'Last time the deployed file (the one in the game folder) was modified',
-        calc: (file: IFileEntry) => file.destModified.toLocaleString(),
+        calc: (file: IFileEntry) => (file.destModified !== undefined) ? file.destModified.toLocaleString() : '',
         placement: 'table',
         edit: {},
       }, {