How to Create Custom Filters in Shopify Store?

In the world of e-commerce, providing a seamless and intuitive shopping experience is crucial. One way to enhance this experience on your Shopify store is by implementing custom filters. So, How to create custom filters in Shopify?

Custom filters allow customers to easily navigate through your products and find exactly what they're looking for. In this article, we'll walk through the process of how to create custom filters in Shopify, including the necessary code. 

Understanding Shopify Filters

Shopify uses a combination of HTML, CSS, and Liquid, its templating language, to render pages. To create custom filters, you'll primarily be working with Liquid and JavaScript.

Step 1: Plan Your Filters

Before diving into the code of how to create custom filters in Shopify, decide what filters are essential for your store. Common filters include:

• Price
• Size
• Color
• Brand
• Product Type

Step 2: Update Your Theme's Liquid Files

You'll need to edit your theme's Liquid files to add the filter functionality. This is usually done in the collection.liquid or product-grid-item.liquid file.

Example: Adding a Color Filter

Create a new snippet: Go to your Shopify admin panel, navigate to Online Store > Themes > Actions > Edit code. Create a new snippet named color-filter.liquid.

Update the snippet with the following code:

Liquid

{% for product in collection.products %}

 {% if product.available %}

  {% for variant in product.variants %}

   {% if variant.available %}

    <div class="product" data-color="{{ variant.option1 | downcase }}">

     <!-- Product details here -->

    </div>

   {% endif %}

  {% endfor %}

 {% endif %}

{% endfor %}

This code repeats over the products in a collection and their variants, creating a div for each product with a data attribute for the color.

Include the snippet in your collection template: In your collection.liquid file, include the snippet:

Liquid

{% include 'color-filter' %}

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Step 3: Add Filtering Functionality with JavaScript

After setting up the Liquid part, you need to enable how to create custom filters in Shopify

Add a script file: Create a new JavaScript file in your theme's assets folder, e.g., custom-filters.js.

Add JavaScript code for filtering:

document.addEventListener('DOMContentLoaded', function() {

 const filters = document.querySelectorAll('.filter');

 filters.forEach(filter => {

  filter.addEventListener('click', function() {

   const color = this.dataset.color;

   const products = document.querySelectorAll('.product');

   products.forEach(product => {

    if (product.dataset.color === color || color === 'all') {

     product.style.display = 'block';

    } else {

     product.style.display = 'none';

    }

   });

  });

 });

});

This script listens for clicks on filter elements. When a filter is clicked, it shows or hides products based on the selected filter.

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Link the JavaScript file: In your theme's theme.liquid file, add:

<script src="{{ 'custom-filters.js' | asset_url }}" defer="defer"></script>

Step 4: Add Filter UI Elements

Add the filter options in your HTML, where users can interact with them.

<div class="filters">

 <button class="filter" data-color="red">Red</button>

 <button class="filter" data-color="blue">Blue</button>

 <button class="filter" data-color="all">All Colors</button>

</div>

Conclusion

Creating custom filters in Shopify involves a blend of Liquid for structuring data and JavaScript for implementing interactive filtering. This setup allows for a dynamic and user-friendly shopping experience. Always test your filters thoroughly to ensure they work seamlessly across all devices. Remember, the key to successful custom filters is understanding your customers' needs and implementing filters that enhance their shopping experience on your Shopify store.