feat(post): add post count and highlight functionality to u/address

src/hooks/use-author-address-click.ts

@@ -0,0 +1,29 @@
+const useAuthorAddressClick = () => {
+  const handleUserAddressClick = (shortAddress: string | undefined) => {
+    if (!shortAddress) return;
+
+    // Select the elements corresponding to the clicked short address
+    const elements = document.querySelectorAll(`.${shortAddress}`);
+
+    // Check if the clicked address is already highlighted
+    const isAlreadyHighlighted = Array.from(elements).some((element) => element.classList.contains('highlight'));
+
+    // Remove highlight from all elements with the .highlight class
+    const prevElements = document.querySelectorAll('.highlight');
+    prevElements.forEach((element) => {
+      element.classList.remove('highlight');
+    });
+
+    // If the clicked address was already highlighted, don't add the highlight back
+    if (isAlreadyHighlighted) return;
+
+    // Highlight the new elements
+    elements.forEach((element) => {
+      element.classList.add('highlight');
+    });
+  };
+
+  return handleUserAddressClick;
+};
+
+export default useAuthorAddressClick;