I have the facet, which should display the text when empty.
After changing another facet, this one is updated by AJAX and empty text duplicated.
The facet has next structure:
<div data-drupal-facet-id="my_facet" class="facet-empty">
<div data-drupal-facet-id="my_facet" class="facet-empty">
<div class="facets-widget-links"></div>
No data available.
</div>
No data available.
</div>
The root cause is that ajaxFacetBlockView replaces the facet by selector "#facet-blockmy-facet .facets-widget-links".
2.0
Code
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It's likely this issue predates Contrib.social: some issue and comment data are missing.