const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']; export default function formatBytes(bytes, decimals) { if (bytes === 0) return '0 Byte'; let k = 1000; let value = Math.floor(Math.log(bytes) / Math.log(k)); let decimal = decimals + 1 || 3; return (bytes / Math.pow(k, value)).toPrecision(decimal) + ' ' + sizes[value]; }