帮助中心数据实现动态渲染

src/lib/utils/date.ts

@@ -0,0 +1,21 @@
+export function formatDate(
+  dateStr?: string | null,
+  format: string = 'YYYY-MM-DD',
+  fallback: string = '-',
+): string {
+  if (!dateStr) return fallback
+
+  const date = new Date(dateStr)
+  if (isNaN(date.getTime())) return fallback
+
+  const map: Record<string, string | number> = {
+    YYYY: date.getFullYear(),
+    MM: String(date.getMonth() + 1).padStart(2, '0'),
+    DD: String(date.getDate()).padStart(2, '0'),
+    HH: String(date.getHours()).padStart(2, '0'),
+    mm: String(date.getMinutes()).padStart(2, '0'),
+    ss: String(date.getSeconds()).padStart(2, '0'),
+  }
+
+  return format.replace(/YYYY|MM|DD|HH|mm|ss/g, matched => String(map[matched]))
+}