Method render

src/ui/components/Progress.ts:302–329

* 渲染进度条

()

   * 渲染进度条
   */
  private render(): void {
    const percentage = Math.round((this.current / this.total) * 100);
    const elapsed = Date.now() - this.startTime;
    const rate = this.current / (elapsed / 1000);
    const eta = rate > 0 ? Math.round((this.total - this.current) / rate) : 0;

    // 创建进度条
    const filledWidth = Math.round((this.current / this.total) * this.options.width!);
    const emptyWidth = this.options.width! - filledWidth;

    const filledBar = UIStyles.status.success(this.options.complete!.repeat(filledWidth));
    const emptyBar = UIStyles.status.muted(this.options.incomplete!.repeat(emptyWidth));
    const bar = `[${filledBar}${emptyBar}]`;

    // 替换格式字符串
    const output = this.options
      .format!.replace('{bar}', bar)
      .replace('{percentage}', percentage.toString())
      .replace('{current}', this.current.toString())
      .replace('{total}', this.total.toString())
      .replace('{eta}', this.formatTime(eta * 1000));

    process.stdout.write(`\r${output}`);

    if (this.current >= this.total) {
      process.stdout.write('\n');
    }
  }

  /**
   * 完成进度条