remember logs scroll position

app/javascript/controllers/mood_controller.js

@@ -24,6 +24,19 @@ export default class extends Controller {
 
   connect() {
     this.lastTarget = null;
-    window.location = "#end";
+    const logs = document.querySelector(".logs");
+    if (!logs) return;
+
+    document.addEventListener("turbo:before-visit", () => {
+      sessionStorage.setItem("logsScrollTop", logs.scrollTop);
+    });
+
+    const savedScroll = sessionStorage.getItem("logsScrollTop");
+    if (savedScroll) {
+      logs.scrollTop = parseInt(savedScroll);
+      sessionStorage.removeItem("logsScrollTop");
+    } else {
+      logs.scrollTop = logs.scrollHeight;
+    }
   }
 }

app/views/moods/index.html.erb

@@ -56,7 +56,6 @@
               </div>
             </div>
           <% end %>
-          <div id="end"></>
         </div>
       </div>
     </div>