From 5d88e688260e4121526a4f6b68ef260c928c13df Mon Sep 17 00:00:00 2001
From: Nikan Zeyaei <72458440+NikanZeyaei@users.noreply.github.com>
Date: Sun, 21 Jun 2026 18:56:47 +0330
Subject: [PATCH] fix(frontend): guard IntlUtil.formatDate against out-of-range
 timestamps (#5468)

---
 frontend/src/utils/index.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/frontend/src/utils/index.ts b/frontend/src/utils/index.ts
index eda03c8e4..cec7ad2f0 100644
--- a/frontend/src/utils/index.ts
+++ b/frontend/src/utils/index.ts
@@ -920,6 +920,8 @@ export type CalendarKind = 'gregorian' | 'jalalian';
 export class IntlUtil {
   static formatDate(date: string | number | Date | null | undefined, calendar: CalendarKind = 'gregorian'): string {
     if (date == null) return '';
+    const d = new Date(date);
+    if (!isFinite(d.getTime())) return '';
     const language = LanguageManager.getLanguage();
     const locale = calendar === 'jalalian' ? 'fa-IR' : language;
 
@@ -934,11 +936,12 @@ export class IntlUtil {
     };
 
     const intl = new Intl.DateTimeFormat(locale, intlOptions);
-    return intl.format(new Date(date));
+    return intl.format(d);
   }
 
   static formatRelativeTime(date: number | null | undefined): string {
     if (date == null) return '';
+    if (!isFinite(date)) return '';
     const language = LanguageManager.getLanguage();
     const now = new Date();
     const diff = date < 0