For AI agents: the complete documentation index is available at /llms.txt, the full documentation bundle is available at /llms-full.txt, and this page is available as Markdown at /reference/sdk/logs/functions/visibleLen.md.
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      • Function: visibleLen() 

      function visibleLen(s: string): number;

      Defined in: logs/ansi.ts:36

      计算字符串的终端可见字符长度（自动排除 ANSI 颜色与样式转义码）。

      Parameters

      ParameterTypeDescription
      sstring待计算的字符串。

      Returns

      number

      实际可见字符宽度。