const lunarFormatter = new Intl.DateTimeFormat('zh-Hans-CN-u-ca-chinese', {
  year: 'numeric',
  month: 'long',
  day: 'numeric',
});

/**
 * 解析农历格式化结果
 */
export function getLunarDateParts(date: Date): LunarDateParts {
  const parts = lunarFormatter.formatToParts(date);
  const relatedYearPart = parts.find(item => String(item.type) === 'relatedYear')?.value;
  const yearNamePart = parts.find(item => String(item.type) === 'yearName')?.value;
  return {
    relatedYear: Number(relatedYearPart || date.getFullYear()),
    yearName: yearNamePart || '',
    monthLabel: parts.find(item => item.type === 'month')?.value || '',
    day: Number(parts.find(item => item.type === 'day')?.value || date.getDate()),
  };
}

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