where​

Filters an array to include only items that possess a specific property value.

This requires providing the property name and the corresponding value.

Parameters​

• array {Array}: The array to filter. This parameter is required. If the type is incorrect, an empty array is returned.
• key {String}: The property key to filter by. This parameter is required. If the type is incorrect, an empty array is returned.
• [value] {String}: The property value to filter by. This parameter is optional and defaults to a truthy evaluation.
• returns {Array}: The filtered array.

Usage​

{{where array key [value]}}

Example​

{{ assign 'filter_products' (where collection.products 'vendor' "Natural Threads") }}
Products from Natural Threads:
{{#each filter_products as |product| }}
  - {{ product.title }}
{{/each}}

Filtering Boolean Properties with True Values​

You can filter items that have a true boolean property value. This requires specifying only the property name.

{{ assign 'available_products' (where collection.products 'available') }}
Available products:
{{#each available_products as |product| }}
  - {{ product.title }}
{{/each}}