Empty objects within default menu replaced by nulls

lib/browser/api/menu-item-roles.js

@@ -180,7 +180,7 @@ const roles = {
 
       process.platform === 'darwin' ? {
         role: 'pasteandmatchstyle'
-      } : {},
+      } : null,
 
       {
         role: 'delete'
@@ -188,7 +188,7 @@ const roles = {
 
       process.platform === 'win32' ? {
         type: 'separator'
-      } : {},
+      } : null,
 
       {
         role: 'selectall'
@@ -209,12 +209,11 @@ const roles = {
 
       process.platform === 'darwin' ? {
         type: 'separator'
-      } : {},
+      } : null,
 
       process.platform === 'darwin' ? {
-        label: 'Bring All to Front',
         role: 'front'
-      } : {}
+      } : null
 
     ]
   }
@@ -246,7 +245,7 @@ exports.getDefaultSubmenu = (role) => {
     // remove empty objects from within the submenu
     if (Array.isArray(submenu)) {
       submenu = submenu.filter(function (n) {
-        return n.constructor !== Object || Object.keys(n).length > 0
+        return n != null
       })
     }