where

Creates an array including only the objects with a given property value, or any truthy value by default.

In this example, assume you have a list of products and you want to show your kitchen products separately. Using where, you can create an array containing only the products that have a "type" of "kitchen".

Input

All products:
{% for product in products %}
- {{ product.title }}
{% endfor %}

{% assign kitchen_products = products | where: "type", "kitchen" %}

Kitchen products:
{% for product in kitchen_products %}
- {{ product.title }}
{% endfor %}

Output

All products:
- Vacuum
- Spatula
- Television
- Garlic press

Kitchen products:
- Spatula
- Garlic press

Say instead you have a list of products and you only want to show those that are available to buy. You can where with a property name but no target value to include all products with a truthy "available" value.

Input

All products:
{% for product in products %}
- {{ product.title }}
{% endfor %}

{% assign available_products = products | where: "available" %}

Available products:
{% for product in available_products %}
- {{ product.title }}
{% endfor %}

Output

All products:
- Coffee mug
- Limited edition sneakers
- Boring sneakers

Available products:
- Coffee mug
- Boring sneakers

The where filter can also be used to find a single object in an array when combined with the first filter. For example, say you want to show off the shirt in your new fall collection.

Input

{% assign new_shirt = products | where: "type", "shirt" | first %}

Featured product: {{ new_shirt.title }}

Output

Featured product: Hawaiian print sweater vest
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