gistfile1.txt

<script>
(function ($) {
  $(function () {
    var $btn = $('.js-load-cards');
    if (!$btn.length) return;

    $btn.off('click.tripoliFix').off('click').on('click.tripoliFix', function (e) {
      e.preventDefault();
      e.stopImmediatePropagation();

      if ($btn.data('loading') || $btn.hasClass('c-btn--disabled') || $btn.is(':disabled')) return;

      var total = Number(window.pagination_available_pages_number || 0);
      var nextHref = $('link[rel=next]').attr('href');
      if (!nextHref) return; // No pagination available

      var n = Number(
        window.pagination_next_page_number ||
        parseInt((nextHref.match(/\/page\/(\d+)/) || [,'2'])[1], 10)
      );

      if (total && n > total) {
        $btn.addClass('c-btn--disabled').attr('disabled', true);
        return;
      }

      var url = String(nextHref).replace(/\/page\/\d+\/?$/, '/page/' + n + '/');

      $btn.data('loading', true).addClass('c-btn--loading');

      $.get(url).done(function (data) {
        $('.js-grid').append($('.js-card', data));

        window.pagination_next_page_number = n + 1;

        if (total && window.pagination_next_page_number > total) {
          $btn.addClass('c-btn--disabled').attr('disabled', true);
        }
      }).fail(function () {
        $btn.addClass('c-btn--disabled').attr('disabled', true);
      }).always(function () {
        $btn.data('loading', false).removeClass('c-btn--loading');
      });
    });
  });
})(window.jQuery);
</script>