facets_missing_merge

Provides a facet processor that allows the missing facet item to be merged into another item.

Allows you to merge the missing facet item onto an actual facet item.

Example

If you have a facet with the following items:

1. Cat
2. Dog
3. Lizard

With the facet "missing" option enabled, an extra item with a configurable title is added for items that do not have any of those values and your list becomes.

1. Cat
2. Dog
3. Lizard
4. None

With this processor enabled, you can merge the missing facet item (None) onto an
existing item (in this example, Cat is the target).

1. Cat (or None)
2. Dog
3. Lizard

Configuration

When enabling the processor for a facet ensure that it is ordered to execute before the URL processor in the build phase. This is because the processor modifies the missing filters on a facet item.