add-titles.js

const fs = require('fs');
const axios = require('axios');
async function fetchTitle(videoId) {
  const response = await axios.get(`https://noembed.com/embed?url=https://www.youtube.com/watch?v=${videoId}`);
  const data = response.data;
  return data.title;
}
async function updateTitles() {
  const htmlFilePath = 'index.html';
  let htmlContent = fs.readFileSync(htmlFilePath, 'utf8');
  const regex = /<y-t\s+v="([^"]+)"(?:(?!t).)*?>/g;
  let matches = [...htmlContent.matchAll(regex)];
  const replacements = await Promise.all(matches.map(async match => {
    const videoId = match[1];
    const title = await fetchTitle(videoId);
    return {
      old: match[0],
      new: `<y-t v="${videoId}" t="${title}">`
    };
  }));
  replacements.forEach(replacement => {
    htmlContent = htmlContent.replace(replacement.old, replacement.new);
  });
  fs.writeFileSync(htmlFilePath, htmlContent, 'utf8');
}
updateTitles().then(() => console.log('Titles updated.'));