@liveblocks/react-ui/dist/utils/format-file-size.js

A set of React pre-built components for the Liveblocks products. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.

import { numberFormat } from './intl.js';

const BASE = 1e3;
const UNITS = ["B", "KB", "MB", "GB"];
function formatFileSize(bytes, locale) {
  if (bytes === 0) {
    return `0 ${UNITS[1]}`;
  }
  let unit;
  if (bytes === 0) {
    unit = 1;
  } else {
    unit = Math.max(
      1,
      Math.min(
        Math.floor(Math.log(Math.abs(bytes)) / Math.log(BASE)),
        UNITS.length - 1
      )
    );
  }
  let value = bytes / BASE ** unit;
  let maximumDecimals = 1;
  if (unit === 1) {
    if (value >= 10) {
      maximumDecimals = 0;
    }
    if (value < 0.1 && value > 0) {
      maximumDecimals = 2;
    }
    if (value < 0.01) {
      value = 0.01;
    }
  }
  const formattedUnit = UNITS[unit];
  const formattedValue = numberFormat(locale, {
    minimumFractionDigits: 0,
    maximumFractionDigits: maximumDecimals
  }).format(value);
  return `${formattedValue} ${formattedUnit}`;
}

export { formatFileSize };
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