import ensureNaturalNumber from 'type/natural-number/ensure.js';
import { filesize } from 'filesize';

const resolveSignificant = (size) => {
  return size >= 1000 ? resolveSignificant(Math.floor(size / 1000)) : size;
};

export default (size) =>
  filesize(size, {
    round: resolveSignificant(ensureNaturalNumber(size, { name: 'size' })) >= 9 ? 0 : 1,
  });