revealjs - test for existence before trying to clean 'div.quarto-auto-generated-content'

Author: cderv

src/resources/formats/revealjs/plugins/support/support.js

@@ -335,9 +335,9 @@ window.QuartoSupport = function () {
     }
   }
 
-  function cleanEmptyAutpGeneratedContent(deck) {
+  function cleanEmptyAutoGeneratedContent(deck) {
     const div = document.querySelector('div.quarto-auto-generated-content')
-    if (div.textContent.trim() === '') {
+    if (div && div.textContent.trim() === '') {
       div.remove()
     }
   }
@@ -358,7 +358,7 @@ window.QuartoSupport = function () {
       workaroundMermaidDistance(deck);
       handleWhiteSpaceInColumns(deck);
       // should stay last
-      cleanEmptyAutpGeneratedContent(deck);
+      cleanEmptyAutoGeneratedContent(deck);
     },
   };
 };