feat(smoothScroll): add util to smoothly scroll to the id after anchor click

src/shared/lib/utils/smoothScroll/smoothScroll.ts

@@ -0,0 +1,32 @@
+/**
+ * Smoothly scrolls to the target element when an anchor element is clicked.
+ * @param node - The anchor element to listen for clicks on.
+ */
+export function smoothScroll(node: HTMLAnchorElement) {
+    const handleClick = (event: MouseEvent) => {
+        event.preventDefault();
+
+        const hash = node.getAttribute('href');
+        if (!hash || hash === '#') return;
+
+        const targetElement = document.querySelector(hash);
+
+        if (targetElement) {
+            targetElement.scrollIntoView({
+                behavior: 'smooth',
+                block: 'start',
+            });
+
+            // Update URL hash without jumping
+            history.pushState(null, '', hash);
+        }
+    };
+
+    node.addEventListener('click', handleClick);
+
+    return {
+        destroy() {
+            node.removeEventListener('click', handleClick);
+        },
+    };
+}