Function formatPercent

music_hub/music_hub.ts:279–282

(fraction?: number)

  const safeFraction = clampFraction(fraction) ?? 0;
  const filled = Math.round(safeFraction * PROGRESS_BAR_WIDTH);
  return `${"█".repeat(filled)}${"░".repeat(PROGRESS_BAR_WIDTH - filled)}`;
}

function renderTransferProgress(song: ApiSong, update: TransferProgressUpdate): string {
  const fraction = progressFraction(update);
  const stageIcon = update.stage === "download" ? "⬇️" : "📤";
  const stageText = update.stage === "download" ? "本地下载中" : "本地上传中";