如何递归抓取页面，抓取链接，跟踪链接，然后再次抓取并在node js中导出？

const axios = require('axios');
const cheerio = require('cheerio');

const visitedLinks = new Set();
const data = [];

async function crawl(url) {
  if (visitedLinks.has(url)) {
    return;
  }

  visitedLinks.add(url);

  try {
    const response = await axios.get(url);
    const html = response.data;
    const $ = cheerio.load(html);

    // 提取数据并保存到data数组中
    // ...

    // 提取链接并加入待抓取队列
    $('a').each((index, element) => {
      const link = $(element).attr('href');
      if (link && !visitedLinks.has(link)) {
        crawl(link);
      }
    });
  } catch (error) {
    console.error(`Failed to crawl ${url}: ${error}`);
  }
}

crawl('https://example.com').then(() => {
  // 将data导出到文件或其他目标
  // ...
});