vimeo.js

    const iframe = document.getElementsByTagName('iframe')[0]
    if (iframe) {
      const player = new Vimeo.Player(iframe);
      const url = iframe.getAttribute("src").split('?')[0];
      const vimeoId = extractVimeoId(url);
      updateCurrentPlayerTime(vimeoId, player);
      trackWatchProgress(vimeoId, player);
    }

    function updateCurrentPlayerTime(vimeoId, player) {
      jQuery.ajax({
        url: ajaxurl,
        data: {
          'action': 'last_watch_progress_request',
          'video_id': vimeoId
        },
        success: function (lastWatchProgress) {
          if (lastWatchProgress) {
            setPlayerTime(lastWatchProgress, player)
          }
        },
        error: function (errorThrown) {
          console.log("Error while fetching last watch progress from server");
        }
      });
    }

    function setPlayerTime(lastWatchProgress, player) {
      // THIS IS NOT BEING CALLED
      player.setCurrentTime(lastWatchProgress).then(function (seconds) {
        console.log("This is not being called in Wordpress");
      }).catch(function (error) {
        switch (error.name) {
          case 'RangeError':
            console.log("Seconds must be greater than 0")
            break;
          default:
            console.log("Error: ", error)
            break;
        }
      });
    }

    function trackWatchProgress(vimeoId, player) {
      setInterval(function () {
      // THIS IS NOT BEING CALLED
        player.getCurrentTime().then(function (seconds) {
          console.log("This is not being called in Wordpress");
          sendProgressToServer(vimeoId, seconds);
        });
      }, 5000);

    }

    function extractVimeoId(url) {
      const vimeoRegex = /https?:\/\/(?:www\.)?(vimeo.com|player.vimeo.com)\/(?:(channels|video)\/(?:\w+\/)?|groups\/([^\/]*)\/videos\/|album\/(\d+)\/video\/|)(\d+)(?:$|\/|\?)/;
      const match = url.match(vimeoRegex);
      if (match) return match[5];
    }

    function sendProgressToServer(videoId, progress) {
      jQuery.ajax({
        url: ajaxurl,
        data: {
          'action': 'last_watch_progress_update',
          'video_id': videoId,
          'progress': progress
        },
        success: function (response) {
          
        },
        error: function (errorThrown) {
          console.log("Error while sending watch progress: ", errorThrown);
        }
      });
    }