MDL-75274 theme_boost: Aria so dropdowns with search focus better

theme/boost/amd/src/aria.js

@@ -75,10 +75,13 @@ const dropdownFix = () => {
         const menu = e.target.parentElement.querySelector('[role="menu"]');
         let menuItems = false;
         let foundMenuItem = false;
+        let textInput = false;
 
         if (menu) {
             menuItems = menu.querySelectorAll('[role="menuitem"]');
+            textInput = e.target.parentElement.querySelector('[data-action="search"]');
         }
+
         if (menuItems && menuItems.length > 0) {
             // Up key opens the menu at the end.
             if (trigger === 'ArrowUp') {
@@ -95,7 +98,10 @@ const dropdownFix = () => {
             }
         }
 
-        if (foundMenuItem) {
+        if (textInput) {
+            shiftFocus(textInput);
+        }
+        if (foundMenuItem && textInput === null) {
             shiftFocus(foundMenuItem);
         }
     };