1 module.exports = function numberFormat(number, dec, dsep, tsep) {
2 if (isNaN(number) || number == null) return '';
4 number = number.toFixed(~~dec);
5 tsep = typeof tsep == 'string' ? tsep : ',';
7 var parts = number.split('.'),
9 decimals = parts[1] ? (dsep || '.') + parts[1] : '';
11 return fnums.replace(/(\d)(?=(?:\d{3})+$)/g, '$1' + tsep) + decimals;