function fileSizePretty(nBytes: number): string {
      let sOutput = nBytes + " bytes";
    // optional code for multiples approximation
    const aMultiples = ["KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"];
    for (var nMultiple = 0, nApprox = nBytes / 1024; nApprox > 1; nApprox /= 1024, nMultiple++) {
      sOutput = nApprox.toFixed(3) + " " + aMultiples[nMultiple] + " (" + nBytes + " bytes)";
    }
    return sOutput;
}

export default fileSizePretty;