first commit

src/lib/format.ts

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+const DISPLAY_LOCALE = "en-LK"
+const DISPLAY_TIME_ZONE = "Asia/Colombo"
+
+/** Formatting is explicit so SSR and browser renders produce the same output. */
+export function formatCurrency(amount: number) {
+  return `Rs. ${amount.toLocaleString(DISPLAY_LOCALE)}`
+}
+
+export function formatTime(iso: string) {
+  return new Date(iso).toLocaleTimeString(DISPLAY_LOCALE, {
+    hour: "numeric",
+    minute: "2-digit",
+    timeZone: DISPLAY_TIME_ZONE,
+  })
+}
+
+export function formatDate(iso: string) {
+  return new Date(iso).toLocaleDateString(DISPLAY_LOCALE, {
+    month: "short",
+    day: "numeric",
+    year: "numeric",
+    timeZone: DISPLAY_TIME_ZONE,
+  })
+}
+
+export function formatDateTime(iso: string) {
+  return `${formatDate(iso)}, ${formatTime(iso)}`
+}