As for the Facets framework, as you can see it is almost identical to the field's framework, but with the difference that the facets interact with other components in the UI.
Ok, To start the directive executes inside a facet component, this component makes the container of each facet
Then there is the facet used component which shows the facets selected.
Next we may have other “auxiliary” components like the browse breadcrumb, which instead of showing the facet in the facet-use, it shows a breadcrumb display.
And finally the filter service, which manages, the loading of the facets from the URL, the selection of the facets, and the creation of the filters, which will be sent with the query.
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