Shopify AJAX filter collection page with TAGS

collection.liquid

<div class="collection__main">
    <!-- COLLECTION SIDEBAR -->
    {%- capture categories -%}
  {%- for tag in collections[collection.handle].tags -%}
    {%- if tag contains 'categories' -%}
      {%- assign tag_patterns = tag | split: '_' -%}

      <li class="collection-sidebar__filter-item main-filter" data-tag="{{ tag | handle }}">{{ tag_patterns[1] }}</li>
    {%- endif -%}
  {%- endfor -%}
{%- endcapture -%}

{%- capture filters -%}
  {%- assign filter_title = '' -%}
  {%- assign div_opened = 0 -%}
  {%- assign div_closed = 0 -%}

  {%- for tag in collection.all_tags -%}
    {%- unless tag contains 'categories' or tag contains 'display' -%}
      {%- assign tag_patterns = tag | split: '_' -%}
      {%- assign heading = tag_patterns[0] -%}
      {%- assign value = tag_patterns[1] -%}

      {%- if value != blank -%}

        {%- if heading != filter_title -%}
          {%- if filter_title != blank -%}
            </ul>
            </div>

            {%- assign div_closed = div_closed | plus: 1 -%}
          {%- endif -%}

          <div class="collection-sidebar__additional-filter" data-filter="{{ tag_patterns[0] }}">
            <h3 class="collection-sidebar__filter-title accordion-heading">{{ heading }} <i class="fa fa-plus" aria-hidden="true"></i></h3>
            <ul class="collection-sidebar__filter-items accordion-content">

          {%- assign filter_title = heading -%}
          {%- assign div_opened = div_opened | plus: 1 -%}
        {%- endif -%}

        <li class="collection-sidebar__filter-item" data-tag="{{ tag | handle }}">{{ tag_patterns[1] }}</li>
      {%- endif -%}
    {%- endunless -%}
  {%- endfor -%}

  {%- if div_opened != div_closed -%}
     </ul>
     </div>
  {%- endif -%}
{%- endcapture -%}


{%- if categories != blank or filters != blank -%}
  <section class="collection-sidebar" data-collection-url="https://{{ shop.domain }}{{ collection.url }}" data-section-id="collection-sidebar" data-section-type="collection-sidebar">
    <h3 class="collection-sidebar__heading accordion-heading">Filters <i class="fa fa-plus" aria-hidden="true"></i></h3>

    <div class="collection-sidebar__content accordion-content">
      {%- if categories != blank -%}
        <div class="collection-sidebar__categories-filter">
          <h3 class="collection-sidebar__filter-title">Categories</h3>
          <ul class="collection-sidebar__filter-items">
            {{ categories }}
          </ul>
        </div>
      {%- endif -%}

      {%- if filters != blank -%}
        <h3 class="collection-sidebar__filter-heading">Refine your selection</h3>
        {{ filters }}
      {%- endif -%}
    </div>
  </section>
{%- endif -%}
    <!-- COLLECTION SIDEBAR END -->
    
    
    
    
    <!-- COLLECTION GRID -->
	<div class="collection-grid {% if categories == blank and filters == blank %}full-width{% endif %}">

    <div class="collection-grid__header">
      <div class="collection-grid__products-count">
        <!-- @TODO add change products count -->
        <span class="js-product-grid__count">{{ collection.products_count }}</span> products | <a href="{{ collection.url }}">See all</a>
      </div>

      <div class="collection-grid__sort-by">
        <label for="sort-by">Sort by:</label>
        <select id="sort-by">
          <option value="manual">Featured</option>
          <option value="price-ascending">Price: Low to High</option>
          <option value="price-descending">Price: High to Low</option>
          <option value="title-ascending">A-Z</option>
          <option value="title-descending">Z-A</option>
          <option value="created-ascending">Oldest to Newest</option>
          <option value="created-descending">Newest to Oldest</option>
          <option value="best-selling">Best Selling</option>
        </select>
        <i class="fa fa-angle-down"></i>
      </div>
    </div>

    {% paginate collection.products by 21 %}
      {%- assign products_count = 0 -%}
      <div id="AjaxinateLoop" class="collection-grid__products" data-products-count="{{ collection.products_count }}">
        {% if collection.products_count > 0 %}
          {% for product in collection.products %}
            {%- assign products_count = products_count | plus: 1 -%}

            {% include 'product-grid-item' %}
          {% endfor %}
        {% else %}
          <p class="collection-grid__empty">{{ 'collections.general.no_matches' | t }}</p>
        {% endif %}
      </div>

      <div id="AjaxinatePagination">
        {% if paginate.next %}
          <a href="{{ paginate.next.url }}" class="collection__load-more">Loading More</a>
        {% endif %}
      </div>
    {% endpaginate %}

</div>
	
	<!-- COLLECTION GRID END -->
  </div>

shopify-collection-ajax-filter.js

const cssClasses = {
    collectionSidebar: '.collection-sidebar',
    accordionHeading: '.accordion-heading',
    accordionContent: '.accordion-content',
    filterItem: '.collection-sidebar__filter-item',
    filter: '.collection-sidebar__filter-items',
};

// Accordion
const accordionHeading = $(cssClasses.accordionHeading);

var endlessScroll = new Ajaxinate({
    container: '#AjaxinateLoop',
    pagination: '#AjaxinatePagination',
    method: 'click',
    offset: 150,
    beforeLoad: function () {
        $('.collection__main').addClass('ajax-loading');
    },
    callback: function () {
        $('.collection__main').removeClass('ajax-loading');
    }
});

accordionHeading.on('click', function () {
    const parentItem = $(this).parent();
    const content = parentItem.find(cssClasses.accordionContent).first();

    $(this).toggleClass('open');
    content.slideToggle();
});

// Tag filter
const url = window.location.origin + window.location.pathname;
const filterItem = $(cssClasses.filterItem);
let collectionUrl = $(cssClasses.collectionSidebar).data('collection-url');

var productsContainer = $('.collection-grid__products');

filterItem.each(function () {
    const tag = $(this).data('tag');

    if (url.indexOf(tag) !== -1) {
        $(this).addClass('active');

        console.log($(this), 'add class active');

        const accordionHeading = $(this).parent().parent().find(cssClasses.accordionHeading);

        if (accordionHeading.length !== 0) {
            accordionHeading.trigger('click');
        }
    }
});

filterItem.on('click', function () {
    let search = window.location.search;

    if (search.indexOf('page') !== -1) {
        const pageParam = search.split("&")[0];
        search = search.replace(pageParam, '').replace('&', '?');
    }

    const filter = $(this).parents('[data-filter]');
    const filterItems = filter.find(cssClasses.filterItem);
   /* var addActiveClass = true;

    if ($(this).hasClass('active')) {
        addActiveClass = false
    }

    filterItems.removeClass('active');

    if (addActiveClass) {
        $(this).addClass('active');
    }*/

    $(this).toggleClass('active');

    var activeItems = $('.collection-sidebar').find(cssClasses.filterItem + '.active');
    var activeTags = [];

    activeItems.each(function (index, el) {
        var tag = $(el).attr('data-tag');

        if (tag) {
            activeTags.push(tag);
        }
    });

    var tagsUrl = activeTags.join('+');

    var newUrl = collectionUrl;

    if (tagsUrl) {
        newUrl += '/' + tagsUrl;
    }

    newUrl += search;

    $('.collection__main').addClass('ajax-loading');

    console.log(newUrl);
    console.log('---');

    $.get({
        url: newUrl,
        success: function (data) {
            var newProductsWrapper = $(data).find(".collection-grid__products");
            var newProductsHtml = newProductsWrapper.html();
            productsContainer.html(newProductsHtml);

            var newItemCount = newProductsWrapper.attr('data-products-count');
            $('.js-product-grid__count').text(newItemCount);

            var newPaginationHtml = $(data).find("#AjaxinatePagination").html();
            $('#AjaxinatePagination').html(newPaginationHtml);
            var pagination = $("#AjaxinatePagination");

            if (pagination.length) {
                pagination.html(newPaginationHtml);

                new Ajaxinate({
                    container: '#AjaxinateLoop',
                    pagination: '#AjaxinatePagination',
                    method: 'click',
                    offset: 150,
                    beforeLoad: function () {
                        $('.collection__main').addClass('ajax-loading');
                    },
                    callback: function () {
                        $('.collection__main').removeClass('ajax-loading');
                    }
                });
            }

            history.pushState({
                page: newUrl
            }, null, newUrl);

            $('.collection__main').removeClass('ajax-loading');
        }
    })
});

Hi, how do I add to shopify...could you point me into a tutorial?

this doessn't seem to be working? is there any code missing from this gist?

if you could email me at [email protected] i would forever be grateful!

@CisForChi hi!
This gist was added many time ago so, i don't know is it working on current time.
But, first that you need to check is:
Do you add the "Ajaxinate" js script to the your store?
Link: https://ajaxinate.elkfox.io/
You need add this script at first, try it.

Hey @Lysindr, I implemented this in my project and it worked perfectly. Thank you.

I've tried implementing this code but I get a 404 error on the $.get returning [object%20Object] - Are there any certain data attributes or classes the product-grid-item needs perhaps I'm missing?

EDIT: I have managed to get it working for my scenario. Thank you, still works with slight tweaking depending on your situation.

Anyone checking this out now, I needed to change $.get to $.ajax.
I then ran into a CORS issue when developing locally using Shopify CLI theme serve, but in the live environment that isn't an issue.