format-currency

1npm install @cupofcode/utils
2// atau copy fungsi langsung ke project kamu

1/**
2 * Mengubah angka menjadi format mata uang IDR
3 * @param amount - Angka nominal
4 * @param locale - Kode locale (default: 'id-ID')
5 * @param currency - Kode mata uang (default: 'IDR')
6 */
7export function formatCurrency(
8  amount: number,
9  locale: string = 'id-ID',
10  currency: string = 'IDR'
11): string {
12  return new Intl.NumberFormat(locale, {
13    style: 'currency',
14    currency,
15    minimumFractionDigits: 0,
16    maximumFractionDigits: 0,
17  }).format(amount);
18}
19
20/**
21 * Format angka dengan prefix Rp
22 * @param amount - Angka nominal
23 */
24export function formatRupiah(amount: number): string {
25  return formatCurrency(amount, 'id-ID', 'IDR');
26}

1formatRupiah(250000); // "Rp 250.000"
2formatRupiah(1500000); // "Rp 1.500.000"
3formatCurrency(50000, 'en-US', 'USD'); // "$50,000"

1import { formatRupiah } from './utils/currency';
2
3function PriceTag({ price }: { price: number }) {
4  return (
5    <span className="font-bold text-green-600">
6      {formatRupiah(price)}
7    </span>
8  );
9}