verdaccio-ui/src/utils/file-size.ts

export default function fileSizeSI(a?: any, b?: any, c?: any, d?: any, e?: any) {
  return ((b = Math), (c = b.log), (d = 1e3), (e = (c(a) / c(d)) | 0), a / b.pow(d, e)).toFixed(2) + ' ' + (e ? 'kMGTPEZY'[--e] + 'B' : 'Bytes');
}