YouTube Like Scraping

gistfile1.txt

(function() {
  console.log('Script started.');

  // Array to hold the CSV lines
  let csvLines = [];

  // Prepare the CSV header
  csvLines.push('Title,URL,Channel Name,Upload Date,Duration,Thumbnail URL');

  // Select all video elements inside the liked videos page
  let videos = document.querySelectorAll('ytd-playlist-video-renderer');

  // If no videos found, try an alternative selector
  if (videos.length === 0) {
    console.warn('No videos found with selector "ytd-playlist-video-renderer". Trying alternative selector.');
    videos = document.querySelectorAll('ytd-grid-video-renderer');
  }

  console.log(`Found ${videos.length} video(s).`);

  // Check if any videos were found
  if (videos.length === 0) {
    console.error('No videos found. Please ensure you are on your Liked Videos page and that the page has fully loaded.');
    return;
  }

  // Iterate over each video element
  videos.forEach((video, index) => {
    console.log(`Processing video ${index + 1}...`);

    // Extract the video title and URL
    const titleElement = video.querySelector('#video-title');
    const title = titleElement?.textContent.trim().replace(/"/g, '""') || '';
    const url = titleElement?.href || '';

    if (!titleElement) {
      console.warn(`Title element not found for video ${index + 1}.`);
    }

    // Extract the channel name
    const channelElement = video.querySelector('#channel-name a, #text-container a');
    const channelName = channelElement?.textContent.trim().replace(/"/g, '""') || '';

    if (!channelElement) {
      console.warn(`Channel element not found for video ${index + 1}.`);
    }

    // Extract the upload date
    const uploadDateElement = video.querySelector('#metadata-line span:last-child');
    const uploadDate = uploadDateElement?.textContent.trim().replace(/"/g, '""') || '';

    if (!uploadDateElement) {
      console.warn(`Upload date element not found for video ${index + 1}.`);
    }

    // Extract the video duration
    const durationElement = video.querySelector('ytd-thumbnail-overlay-time-status-renderer span, span.ytd-thumbnail-overlay-time-status-renderer');
    const duration = durationElement?.textContent.trim().replace(/"/g, '""') || '';

    if (!durationElement) {
      console.warn(`Duration element not found for video ${index + 1}.`);
    }

    // Extract the thumbnail URL
    const thumbnailElement = video.querySelector('img#img');
    const thumbnailUrl = thumbnailElement?.src || thumbnailElement?.getAttribute('src') || '';

    if (!thumbnailElement) {
      console.warn(`Thumbnail element not found for video ${index + 1}.`);
    }

    // Log extracted data
    console.log(`Video ${index + 1} data:`, {
      title,
      url,
      channelName,
      uploadDate,
      duration,
      thumbnailUrl
    });

    // Format each field to handle commas and quotes in CSV
    const formattedTitle = `"${title}"`;
    const formattedURL = `"${url}"`;
    const formattedChannelName = `"${channelName}"`;
    const formattedUploadDate = `"${uploadDate}"`;
    const formattedDuration = `"${duration}"`;
    const formattedThumbnailUrl = `"${thumbnailUrl}"`;

    // Append the data row to the CSV content
    csvLines.push(`${formattedTitle},${formattedURL},${formattedChannelName},${formattedUploadDate},${formattedDuration},${formattedThumbnailUrl}`);
  });

  // Combine the CSV lines into a single string
  const csvContent = csvLines.join('\n');

  // Replace the entire document content with the CSV data wrapped in a <pre> tag
  document.open();
  document.write('<pre>' + csvContent + '</pre>');
  document.close();

  console.log('Script finished. Page content replaced with CSV data.');

})();