Show Outline headline only if outline content exists (#76)

adaptto · Oct 10, 2023 · 8e670a7 · 8e670a7
1 parent cf273f5
commit 8e670a7
Showing 1 changed file with 10 additions and 1 deletion.
diff --git a/blocks/talk-detail-before-outline/talk-detail-before-outline.js b/blocks/talk-detail-before-outline/talk-detail-before-outline.js
@@ -58,6 +58,13 @@ function buildVideo(parent) {
   loadBlocks(parent);
 }
 
+/**
+ * @returns true if any "p" or "li" element is found in the default content.
+ */
+function isOutlinePresent() {
+  return document.querySelectorAll('main .default-content-wrapper p, main .default-content-wrapper li').length > 0;
+}
+
 /**
  * Talk detail before outline: Tags, time info and video.
  * @param {Element} block
@@ -75,5 +82,7 @@ export default async function decorate(block) {
     buildTimeInfo(block, scheduleEntry);
   }
   buildVideo(block);
-  append(block, 'h4').textContent = 'Outline';
+  if (isOutlinePresent()) {
+    append(block, 'h4').textContent = 'Outline';
+  }
 }