How to Add Support for Variable Products in Bricks WooCommerce Filters

Filtering for In Stock or Out of Stock WooCommerce products using Bricks' filters currently only works at the product level and not variation level.

This will soon be officially supported as can be seen here in the Roadmap.

If you can not wait for Bricks to make this available and your shop needs this feature right now, this Pro tutorial is for you.

Step 1

Go to WooCommerce → Settings → Products → Inventory and tick "Out of stock visibility".

Step 2

Add the following in child theme's functions.php (w/o the opening PHP tag) or a code snippets plugin: