blame and claim refactored

src/helpers/date-jalali.ts

@@ -0,0 +1,59 @@
+/**
+ * Converts an ISO date string or Date to Jalali (Persian) date and time.
+ * @param input - ISO date string (e.g. 2026-02-08T13:51:20.747+00:00) or Date
+ * @returns Tuple [dateStr, timeStr] e.g. ['1404/11/24', '13:37']
+ */
+export function toJalaliDateAndTime(
+  input: string | Date,
+): [string, string] {
+  const d = new Date(input);
+  const dateStr = toJalaliDate(d);
+  const timeStr = toJalaliTime(d);
+  return [dateStr, timeStr];
+}
+
+/**
+ * Converts a Date to Jalali date string (e.g. 1404/11/24).
+ */
+export function toJalaliDate(d: Date): string {
+  const persianDate = d.toLocaleDateString("fa-IR", {
+    year: "numeric",
+    month: "2-digit",
+    day: "2-digit",
+  });
+  return persianDigitsToEnglish(persianDate, "/");
+}
+
+/**
+ * Converts a Date to 24h time string (e.g. 13:37).
+ */
+export function toJalaliTime(d: Date): string {
+  const hours = d.getHours().toString().padStart(2, "0");
+  const minutes = d.getMinutes().toString().padStart(2, "0");
+  return `${hours}:${minutes}`;
+}
+
+const PERSIAN_TO_ENGLISH: Record<string, string> = {
+  "۰": "0",
+  "۱": "1",
+  "۲": "2",
+  "۳": "3",
+  "۴": "4",
+  "۵": "5",
+  "۶": "6",
+  "۷": "7",
+  "۸": "8",
+  "۹": "9",
+};
+
+function persianDigitsToEnglish(str: string, separator: string): string {
+  return str
+    .split(separator)
+    .map((part) =>
+      part
+        .split("")
+        .map((char) => PERSIAN_TO_ENGLISH[char] ?? char)
+        .join(""),
+    )
+    .join("/");
+}