feat: blog section

lib/format-date.ts

@@ -0,0 +1,15 @@
+import { format, newDate } from "date-fns-jalali";
+import { faIR } from "date-fns-jalali/locale";
+
+/**
+ * Format a Gregorian date (Date or ISO string) to Shamsi (Jalali) Persian string.
+ * Example: "۱۴ بهمن ۱۴۰۴"
+ */
+export function formatDateShamsi(
+  date: Date | string,
+  formatStr: string = "d MMMM yyyy"
+): string {
+  const d = typeof date === "string" ? new Date(date) : date;
+  if (Number.isNaN(d.getTime())) return "";
+  return format(d, formatStr, { locale: faIR });
+}