content: generatePageLayout: image overlay container

1 files changed, 7 insertions, 1 deletions

diff --git a/src/static/client.js b/src/static/client.js
index 35ef82e..6212295 100644
--- a/src/static/client.js
+++ b/src/static/client.js
@@ -645,11 +645,17 @@ updateStickyHeading();
 // Image overlay ------------------------------------------
 
 function addImageOverlayClickHandlers() {
+  const container = document.getElementById('image-overlay-container');
+
+  if (!container) {
+    console.warn(`#image-overlay-container missing, image overlay module disabled.`);
+    return;
+  }
+
   for (const img of document.querySelectorAll('.image-link')) {
     img.addEventListener('click', handleImageLinkClicked);
   }
 
-  const container = document.getElementById('image-overlay-container');
   const actionContainer = document.getElementById('image-overlay-action-container');
 
   container.addEventListener('click', handleContainerClicked);