Function extractTarget

src/cli/prompts/tool-display.ts:153–166

(partialArgs: string)

 * nothing useful is found.
 */
export function extractTarget(partialArgs: string): string | null {
  if (!partialArgs) return null;
  for (const k of TARGET_KEYS) {
    // Closed string value first.
    const closed = new RegExp(`"${k}"\\s*:\\s*"((?:[^"\\\\]|\\\\.)*)"`).exec(partialArgs);
    if (closed && closed[1] != null) return unescapeJson(closed[1]);
  }
  for (const k of TARGET_KEYS) {
    // Unterminated value (stream cut mid-string) — capture to end.
    const open = new RegExp(`"${k}"\\s*:\\s*"((?:[^"\\\\]|\\\\.)*)$`).exec(partialArgs);
    if (open && open[1] != null && open[1].length > 0) return unescapeJson(open[1]);
  }
  return null;
}

function unescapeJson(s: string): string {
  return s.replace(/\\n/g, ' ').replace(/\\t/g, ' ').replace(/\\"/g, '"').replace(/\\\\/g, '\\');