Refactor code structure and remove redundant changes

prod/assets/js/smoothScroll.js

@@ -0,0 +1,20 @@
+const smoothScroll = () => {
+  var links = document.querySelectorAll('a[href^="#"]');
+  if (!links.length) {
+    return;
+  }
+  links.forEach(function (link) {
+    link.addEventListener("click", function (e) {
+      e.preventDefault();
+
+      var targetId = this.getAttribute("href").substring(1);
+
+      var targetElement = document.getElementById(targetId);
+      if (targetElement) {
+        targetElement.scrollIntoView({ behavior: "smooth" });
+      } else {
+        window.scroll({ top: 0, left: 0, behavior: "smooth" });
+      }
+    });
+  });
+};