nl_tokens: Get the current breadcrumb for a hierarchical facet as an array
pl_tokens: function ( facetName ) { if ( ! this . isHierarchicalFacet ( facetName ) ) { throw new Error ( 'Cannot get the breadcrumb of an unknown hierarchical facet: `' + facetName + '`' ) ; } var refinement = this . getHierarchicalRefinement ( facetName ) [ 0 ] ; if ( ! refinement ) return [ ] ; var separator = this . _getHierarchicalFacetSeparator ( this . getHierarchicalFacetByName ( facetName ) ) ; var path = refinement . split ( separator ) ; return map ( <mask> , trim ) ; }