Add Menu.buildFromTemplate API to greatly simplify building menu.

browser/api/lib/menu.coffee

@@ -44,4 +44,16 @@ Menu.setApplicationMenu = (menu) ->
 
 Menu.sendActionToFirstResponder = bindings.sendActionToFirstResponder
 
+Menu.buildFromTemplate = (template) ->
+  throw new TypeError('Invalid template for Menu') unless Array.isArray template
+
+  menu = new Menu
+  for item in template
+    throw new TypeError('Invalid template for MenuItem') unless typeof item is 'object'
+
+    item.submenu = Menu.buildFromTemplate item.submenu if item.submenu?
+    menu.append new MenuItem(item)
+
+  menu
+
 module.exports = Menu

browser/default_app/main.js

@@ -28,53 +28,79 @@ delegate.browserMainParts.preMainMessageLoopRun = function() {
     mainWindow = null;
   });
 
-  menu = new Menu;
+  var template = [
-
+    {
-  var appleMenu = new Menu;
+      label: 'Atom Shell',
-  appleMenu.append(new MenuItem({
+      submenu: [
+        {
           label: 'About Atom Shell',
           selector: 'orderFrontStandardAboutPanel:'
-  }));
+        },
-  appleMenu.append(new MenuItem({ type: 'separator' }));
+        {
-  appleMenu.append(new MenuItem({
+          type: 'separator'
+        },
+        {
           label: 'Hide Atom Shell',
           accelerator: 'Command+H',
           selector: 'hide:'
-  }));
+        },
-  appleMenu.append(new MenuItem({
+        {
           label: 'Hide Others',
           accelerator: 'Command+Shift+H',
           selector: 'hideOtherApplications:'
-  }));
+        },
-  appleMenu.append(new MenuItem({ type: 'separator' }));
+        {
-  appleMenu.append(new MenuItem({
+          label: 'Show All',
+          selector: 'unhideAllApplications:'
+        },
+        {
+          type: 'separator'
+        },
+        {
           label: 'Quit',
           accelerator: 'Command+Q',
-    click: function() {
+          click: function() { app.quit(); }
-      app.quit();
+        },
-    }
+      ]
-  }));
+    },
-
+    {
-  var windowMenu = new Menu;
+      label: 'View',
-  windowMenu.append(new MenuItem({
+      submenu: [
+        {
+          label: 'Reload',
+          accelerator: 'Command+R',
+        },
+        {
+          label: 'Show DevTools',
+          accelerator: 'Alt+Command+I',
+        },
+      ]
+    },
+    {
+      label: 'Window',
+      submenu: [
+        {
           label: 'Minimize',
           accelerator: 'Command+M',
           selector: 'performMiniaturize:'
-  }));
+        },
-  windowMenu.append(new MenuItem({
+        {
           label: 'Close',
           accelerator: 'Command+W',
           selector: 'performClose:'
-  }));
+        },
-  windowMenu.append(new MenuItem({ type: 'separator' }));
+        {
-  windowMenu.append(new MenuItem({
+          type: 'separator'
+        },
+        {
           label: 'Bring All to Front',
           selector: 'arrangeInFront:'
-  }));
+        },
-
+      ]
-  menu.append(new MenuItem({ submenu: appleMenu }));
+    },
-  menu.append(new MenuItem({ label: 'Window', submenu: windowMenu }));
+  ];
 
+  menu = Menu.buildFromTemplate(template);
   Menu.setApplicationMenu(menu);
 
   ipc.on('message', function(processId, routingId, type) {