Method isPackageInstalled

music/music.ts:185–195

(
    packageName: string
  )

    }
  }

  static async checkYtDlp(): Promise<boolean> {
    const commands: [string, string[]][] = [
      ["yt-dlp", ["--version"]],
      ["python3", ["-m", "yt_dlp", "--version"]],
    ];

    for (const [bin, args] of commands) {
      try {
        await execFileAsync(bin, args);
        console.log(`[music] yt-dlp found: ${bin}`);
        return true;
      } catch {
        continue;