export const formatRupiah = (angka: unknown, prefix?: string): string => {
    const input = String(angka ?? '');
    const numberString = input.replace(/[^,\d]/g, '').toString();
    const split = numberString.split(',');
    const sisa = split[0].length % 3;
    let rupiah = split[0].substr(0, sisa);
    const ribuan = split[0].substr(sisa).match(/\d{3}/gi);

    if (ribuan) {
        const separator = sisa ? '.' : '';
        rupiah += separator + ribuan.join('.');
    }

    rupiah = split[1] !== undefined ? `${rupiah},${split[1]}` : rupiah;
    return prefix === undefined ? rupiah : rupiah ? `${prefix}${rupiah}` : '';
};