Initial commit

packages/i18n/src/format.ts

@@ -0,0 +1,31 @@
+/**
+ * Formats a date using the Intl.DateTimeFormat API.
+ *
+ * @param date - The date to format.
+ * @param locale - The locale to use.
+ * @param options - Optional Intl.DateTimeFormatOptions.
+ * @returns The formatted date string.
+ */
+export function formatDate(
+    date: Date | string,
+    locale: string,
+    options?: Intl.DateTimeFormatOptions,
+): string {
+    const d = typeof date === 'string' ? new Date(date) : date;
+    return new Intl.DateTimeFormat(locale, options).format(d);
+}
+
+/**
+ * Formats a number as a currency string.
+ *
+ * @param amount - The amount to format.
+ * @param currency - The ISO 4217 currency code.
+ * @param locale - The locale to use.
+ * @returns The formatted currency string.
+ */
+export function formatCurrency(amount: number, currency: string, locale: string): string {
+    return new Intl.NumberFormat(locale, {
+        style: 'currency',
+        currency,
+    }).format(amount);
+}