Function updateMd

src/hosts.ts:115–148

(content: string, config: UpdateConfig)

}

function updateMd(content: string, config: UpdateConfig) {
  let previousHosts = '';

  try {
    previousHosts = fs.readFileSync(config.hostDest, 'utf-8');
  } catch (err) {
  }

  const regMatch = previousHosts.match(/GitHub Host Start([\s\S]*)# Update at/);
  const previousHostRule = regMatch ? regMatch[1].trim() : '';

  const needUpdate = previousHostRule !== content;

  if (needUpdate) {
    console.log('发现新的Hosts，即将更新文件！');

    const updateTime = dayjs()
      .tz('Asia/Shanghai')
      .format('YYYY-MM-DD HH:mm:ss');

    const nextHosts = hostsTpl(content, updateTime);

    if (config.mdTpl && config.mdDest) {
      const template = fs.readFileSync(config.mdTpl, 'utf-8');

      const replacedMdContent = template.replace('{hostContent}', nextHosts)
        .replace('{update_time}', updateTime);

      fs.writeFileSync(config.mdDest, replacedMdContent);
    }

    writeHosts(config.hostDest, nextHosts);
  }
}

interface IAlive {
  time?: number;