Fix NPE in time.js

Author: gsmet

assets/javascript/time.js

@@ -1,21 +1,25 @@
- // Option 1: Get from a data attribute
- const utcDateString = document.getElementById('convertedTime').dataset.utc;
+// Option 1: Get from a data attribute
+const convertedTimeElement = document.getElementById('convertedTime');
 
- // Convert to user's local date and time
- const localDate = new Date(utcDateString);
+if (convertedTimeElement != null) {
+  const utcDateString = convertedTimeElement.dataset.utc;
 
- // Format the output
- const options = {
-   weekday: 'long',
-   year: 'numeric',
-   month: 'long',
-   day: 'numeric',
-   hour: '2-digit',
-   minute: '2-digit',
-   timeZoneName: 'short'
- };
+  // Convert to user's local date and time
+  const localDate = new Date(utcDateString);
 
- const localDateTimeString = localDate.toLocaleString(undefined, options);
+  // Format the output
+  const options = {
+    weekday: 'long',
+    year: 'numeric',
+    month: 'long',
+    day: 'numeric',
+    hour: '2-digit',
+    minute: '2-digit',
+    timeZoneName: 'short'
+  };
 
- // Set the readable local date as content
- document.getElementById("convertedTime").textContent = `Date & Time: ${localDateTimeString}`;
+  const localDateTimeString = localDate.toLocaleString(undefined, options);
+
+  // Set the readable local date as content
+  convertedTimeElement.textContent = `Date & Time: ${localDateTimeString}`;
+}