add top menu (StandardMenu)

src/lib/dom.js

@@ -17,15 +17,19 @@
 
 const waitContainer = async (selector) => {
   return new Promise((resolve) => {
-    const container = document.querySelector(selector)
+    const execute = () => {
+      const container = document.querySelector(selector)
 
-    if (container) {
-      return resolve(selector, container)
+      if (container) {
+        resolve(container)
+      } else {
+        setTimeout(() => {
+          execute(selector)
+        }, 50)
+      }
     }
 
-    setTimeout(() => {
-      waitContainer(selector)
-    }, 50)
+    execute(selector)
   })
 }