@jsenv/file-size-impact/src/internal/format_size.js

Add files size impact into pull requests

import { humanizeFileSize } from "@jsenv/humanize";

export const formatSize = (sizeNumber, { diff = false } = {}) => {
  const sizeNumberAbsolute = Math.abs(sizeNumber);
  let sizeString = humanizeFileSize(sizeNumberAbsolute);
  if (diff) {
    if (sizeNumber < 0) {
      sizeString = `-${sizeString}`;
    } else if (sizeNumber > 0) {
      sizeString = `+${sizeString}`;
    }
  }
  return sizeString;
};