Functions to show, hide, and handle menu.

app/javascript/controllers/toggle_controller.js

@@ -4,3 +4,19 @@ export default class extends Controller {
   static targets = [ "menu" ]
   static values = {isOpen: { type: Boolean, default: false }}
 
+  connect(){}
+
+  menu() {
+    this.isOpenValue ? this.hide() : this.show()
+    this.isOpenValue = !this.isOpenValue
+  }
+
+  show() {
+    this.menuTarget.style.display = "block"
+  }
+
+  hide() {
+    this.menuTarget.style.display = "none"
+  }
+
+}