// Pure upload-progress formatting (no DOM), extracted from static/upload.js.

/** Human-readable transfer speed, e.g. "2.4 MB/s" or "740 KB/s". */
export function formatSpeed(bytesPerSec: number): string {
  return bytesPerSec > 1024 * 1024
    ? (bytesPerSec / (1024 * 1024)).toFixed(1) + ' MB/s'
    : (bytesPerSec / 1024).toFixed(0) + ' KB/s';
}

/** Human-readable ETA, e.g. "45s" or "2m 5s". */
export function formatEta(remainingSec: number): string {
  return remainingSec < 60
    ? Math.ceil(remainingSec) + 's'
    : Math.ceil(remainingSec / 60) + 'm ' + Math.ceil(remainingSec % 60) + 's';
}