Add hideAdContainerIfEmpty function

Author: julien-deramond

site/src/components/Ads.astro

@@ -8,4 +8,16 @@
     src="https://cdn.carbonads.com/carbon.js?serve=CKYIKKJL&placement=getbootstrapcom"
     id="_carbonads_js"
   ></script>
-</div>
+</div>
+
+<script is:inline>
+  function hideAdContainerIfEmpty() {
+    const adContainer = document.querySelector('.ad-container');
+    const carbonAds = document.querySelector('#carbonads');
+    if (adContainer &&!carbonAds) {
+      adContainer.style.minHeight = '0';
+    }
+  }
+
+  document.addEventListener('DOMContentLoaded', hideAdContainerIfEmpty);
+</script>