Files
Montech_Landing/apps/landing/utils/timezone.ts
T
MahdiandCursor e9eafdaabc Fix landing 500 from invalid Asia/Esfahan timezone.
Normalize Iran city aliases to Asia/Tehran, harden the clock, and make settings timezone a safe select.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-09-30 21:25:45 +03:30

33 lines
854 B
TypeScript

const FALLBACK_TZ = "Asia/Tehran";
const TZ_ALIASES: Record<string, string> = {
"Asia/Esfahan": FALLBACK_TZ,
"Asia/Isfahan": FALLBACK_TZ,
"Asia/Mashhad": FALLBACK_TZ,
"Asia/Shiraz": FALLBACK_TZ,
"Asia/Tabriz": FALLBACK_TZ,
Iran: FALLBACK_TZ,
};
export function resolveTimezone(input?: string | null): string {
const raw = (input || FALLBACK_TZ).trim() || FALLBACK_TZ;
const candidate = TZ_ALIASES[raw] || raw;
try {
Intl.DateTimeFormat("en-US", { timeZone: candidate });
return candidate;
} catch {
return FALLBACK_TZ;
}
}
export function formatClock(date: Date, timezone?: string | null, locale = "fa-IR") {
const tz = resolveTimezone(timezone);
return new Intl.DateTimeFormat(locale, {
timeZone: tz,
hour: "2-digit",
minute: "2-digit",
second: "2-digit",
hour12: false,
}).format(date);
}