MenuItem: support the aria-expanded state (w3c/aria#454)

aristov · May 21, 2018 · ce7c3b5 · ce7c3b5
1 parent 9eb29b4
commit ce7c3b5
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/lib/menuitem.js b/lib/menuitem.js
@@ -1,4 +1,5 @@
 import { Div } from 'htmlmodule/lib/div'
+import { Expanded } from './aria/expanded'
 import { Command } from './command'
 import { Menu } from './menu'
 
@@ -95,6 +96,20 @@ export class MenuItem extends Command {
         this.focus()
     }
 
+    /**
+     * @param {String} expanded
+     */
+    set expanded(expanded) {
+        this.setAttribute(Expanded, expanded)
+    }
+
+    /**
+     * @returns {String}
+     */
+    get expanded() {
+        return this.getAttribute(Expanded)
+    }
+
     /**
      * @param {Boolean} hidden
      */