formatMaxDataUnit.js

import { round10 } from 'round10';

export function formatMaxDataUnit(quantity, currentUnit = 'Bytes') {
  if (quantity < 1024) {
    return `${round10(quantity, -2)} ${currentUnit}`;
  }

  const nextUnit = {
    Bytes: 'KB',
    KB: 'MB',
    MB: 'GB',
  };

  if (!(currentUnit in nextUnit)) {
    return `${round10(quantity, -2)} ${currentUnit}`;
  }

  const nextQuantity = quantity / 1024;

  return formatMaxDataUnit(nextQuantity, nextUnit[currentUnit]);
}