更新 UI 一致性規範與公共事業費樣式

resources/js/utils/format.ts

@@ -24,6 +24,32 @@ export const formatDate = (date: string): string => {
   return new Date(date).toLocaleDateString("zh-TW");
 };
 
+/**
+ * 格式化日期並包含星期
+ */
+export const formatDateWithDayOfWeek = (date: string): string => {
+  if (!date) return "-";
+  return new Date(date).toLocaleDateString("zh-TW", {
+    year: "numeric",
+    month: "2-digit",
+    day: "2-digit",
+    weekday: "short",
+  });
+};
+
+/**
+ * 格式化發票號碼
+ * 例如：AB12345678 -> AB-12345678
+ */
+export const formatInvoiceNumber = (invoice: string | null | undefined): string => {
+  if (!invoice) return "-";
+  const cleanInvoice = invoice.replace(/-/g, "");
+  if (/^[a-zA-Z]{2}\d+$/.test(cleanInvoice)) {
+    return `${cleanInvoice.slice(0, 2).toUpperCase()}-${cleanInvoice.slice(2)}`;
+  }
+  return invoice;
+};
+
 /**
  * 獲取當前日期（YYYY-MM-DD 格式）
  */