Support generating V2 Addons

lib/commands/addon.js

@@ -27,6 +27,13 @@ module.exports = NewCommand.extend({
       description: 'Installs the default CI blueprint. Either Travis or Github Actions is supported.',
     },
     { name: 'typescript', type: Boolean, default: false, description: 'Set up the addon to use TypeScript' },
+    {
+      name: 'v2',
+      aliases: ['v2'], // support --v2 as well as -v2
+      type: Boolean,
+      // Default false until all of the embroider things become default
+      default: false,
+      description: 'Set up the addon using the V2 package format. Uses @embroider/addon-blueprint' },
   ],
 
   anonymousOptions: ['<addon-name>'],

lib/commands/new.js

@@ -104,6 +104,10 @@ module.exports = Command.extend({
       return Promise.reject(new SilentError(message));
     }
 
+    if (commandOptions.v2) {
+      commandOptions.blueprint = '@embroider/addon-blueprint';
+    }
+
     commandOptions.blueprint = normalizeBlueprint(commandOptions.blueprint);
 
     let InitCommand = this.commands.Init;

lib/tasks/interactive-new.js

@@ -38,6 +38,10 @@ class InteractiveNewTask extends Task {
             name: 'Addon',
             value: 'addon',
           },
+          {
+            name: 'V2 Addon',
+            value: '@embroider/addon-blueprint',
+          }
         ],
       },
       {