slick slide count and all slides

slide_count.js

$('.gallery-slider-thumb').on('init', function(event, slick, currentSlide, nextSlide){
  var currentSlide = slick.currentSlide + 1;
  var slideCount = slick.slideCount;
  $(this).parents('.gallery-slider-thumb-wr').find('.gs-count__current').text(currentSlide);
  $(this).parents('.gallery-slider-thumb-wr').find('.gs-count__all').text(slideCount);
});

$('.gallery-slider-thumb').on('afterChange', function(event, slick, currentSlide, nextSlide){
  var currentSlide = slick.currentSlide + 1;
  $(this).parents('.gallery-slider-thumb-wr').find('.gs-count__current').text(currentSlide);
});