Something one that would be useful would be a way of hiding all facets if there's only one result. While #2426693: Option to hide facets with only one count provides filters to hide the facets if there's only one matching item per facet, there's no way of telling within filter's execute() method whether one item in the $build array means only one item matched this facet's criteria or there's only one result in total.

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DamienMcKenna’s picture

DamienMcKenna
Location NH, USA
CreditAttribution: DamienMcKenna commented
Related issues: +#2426693: Option to hide facets with only one count
eugene.ilyin’s picture

eugene.ilyin CreditAttribution: eugene.ilyin as a volunteer and at DrupalJedi commented
Status: Active » Closed (won't fix)

I think that it is a pretty special functionality and doesn't make sense implement it for D7 version now. But I think would be nice to report it for D8 version (module facets, not facetapi).