Guard against null and undefined of lastRun

Author: matt-aitken

apps/webapp/app/routes/__app/orgs/$organizationSlug/__org/index.tsx

@@ -184,15 +184,18 @@ function WorkflowList({
 }
 
 function lastRunDescription(lastRun: WorkflowListItem["lastRun"]) {
-  if (lastRun === undefined) {
+  if (lastRun === null || lastRun === undefined) {
     return "Never";
   }
+
   if (lastRun.status === "SUCCESS") {
     if (lastRun.finishedAt) {
       return formatDateTime(lastRun.finishedAt);
+    } else {
+      return "Unknown";
     }
-    throw new Error("lastRun.finishedAt is undefined");
   }
+
   return runStatusLabel(lastRun.status);
 }