Add location.hash on click event

webapp/home/static/home/js/scroll-hash.js

@@ -2,7 +2,7 @@
 // hash navigation. This prevents the browser from scrolling past the target
 // element.
 
-const OFFSET = -120; // Custom offset (in px)
+const OFFSET = -120; // Set offset from scroll target (px)
 
 function scrollToElementWithOffset(elementId) {
   const targetElement = document.getElementById(elementId);
@@ -12,7 +12,7 @@ function scrollToElementWithOffset(elementId) {
       targetElement.getBoundingClientRect().top + window.scrollY;
     window.scrollTo({
       top: elementPosition + OFFSET,
-      behavior: "smooth", // Smooth scroll effect
+      behavior: "smooth",
     });
   }
 }
@@ -21,23 +21,24 @@ function scrollToElementWithOffset(elementId) {
 document.querySelectorAll("a").forEach((link) => {
   if (link.getAttribute("href").startsWith("#")) {
     link.addEventListener("click", function (event) {
-      event.preventDefault(); // Prevent default anchor scroll
-      const targetId = this.getAttribute("href").substring(1); // Get the target ID
-      scrollToElementWithOffset(targetId); // Scroll with custom behavior
+      event.preventDefault();
+      const targetId = this.getAttribute("href").substring(1);
+      scrollToElementWithOffset(targetId);
+      window.location.hash = targetId;
     });
   }
 });
 
 // Handle URL hash change (for direct navigation to #elementId)
 window.addEventListener("hashchange", function () {
-  const hash = window.location.hash.substring(1); // Get the current hash (without the #)
-  scrollToElementWithOffset(hash); // Scroll with custom behavior
+  const hash = window.location.hash.substring(1);
+  scrollToElementWithOffset(hash);
 });
 
 // Scroll on page load if the URL contains a hash
 window.addEventListener("load", function () {
-  const hash = window.location.hash.substring(1); // Get the current hash (without the #)
+  const hash = window.location.hash.substring(1);
   if (hash) {
-    scrollToElementWithOffset(hash); // Scroll with custom behavior
+    scrollToElementWithOffset(hash);
   }
 });