Function extractFirstFrame

src/utils/staticRender.tsx:62–69

* Extracts content from the first complete frame in Ink's output. * Ink with non-TTY stdout outputs multiple frames, each wrapped in DEC synchronized * update sequences ([?2026h ... [?2026l). We only want the first frame's content.

(output: string)

 * update sequences ([?2026h ... [?2026l). We only want the first frame's content.
 */
function extractFirstFrame(output: string): string {
  const startIndex = output.indexOf(SYNC_START);
  if (startIndex === -1) return output;
  const contentStart = startIndex + SYNC_START.length;
  const endIndex = output.indexOf(SYNC_END, contentStart);
  if (endIndex === -1) return output;
  return output.slice(contentStart, endIndex);
}

/**
 * Renders a React node to a string with ANSI escape codes (for terminal output).