From ac428b0f6cd0f310b6ee220cc02e3f074c686c9b Mon Sep 17 00:00:00 2001
From: Jonas Tobias Hopusch <git@jotoho.de>
Date: Sat, 11 Mar 2023 16:02:59 +0100
Subject: [PATCH] Only process dates with valid dateTime attributes

---
 static/scripts/relativetime.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/static/scripts/relativetime.js b/static/scripts/relativetime.js
index cc7cad6..e089345 100644
--- a/static/scripts/relativetime.js
+++ b/static/scripts/relativetime.js
@@ -2,9 +2,11 @@
 
 Array.from(document.getElementsByClassName("relative-timestamp")).forEach(
   function (timestamp) {
-    timestamp.innerText = new Intl.DateTimeFormat(undefined, {
-      dateStyle: "long",
-      timeStyle: "short",
-    }).format(new Date(timestamp.dateTime));
+    if (timestamp?.dateTime) {
+      timestamp.innerText = new Intl.DateTimeFormat(undefined, {
+        dateStyle: "long",
+        timeStyle: "short",
+      }).format(new Date(timestamp.dateTime));
+    }
   }
 );