Fix flickety swipe on mobile touch devices

Fix flickety swipe on mobile touch devices.js

(function() {
    var touchingCarousel = false,
      touchStartCoords;

    document.body.addEventListener('touchstart', function(e) {
      if (e.target.closest('.flickity-slider')) {
        touchingCarousel = true;
      } else {
        touchingCarousel = false;
        return;
      }

      touchStartCoords = {
        x: e.touches[0].pageX,
        y: e.touches[0].pageY
      }
    });

    document.body.addEventListener('touchmove', function(e) {
      if (!(touchingCarousel && e.cancelable)) {
        return;
      }

      var moveVector = {
        x: e.touches[0].pageX - touchStartCoords.x,
        y: e.touches[0].pageY - touchStartCoords.y
      };

      if (Math.abs(moveVector.x) > 7)
        e.preventDefault()

    }, {passive: false});
  })();