Disable helpers for vue babel

Author: Ives van Hoorne

src/sandbox/eval/presets/vue-cli/index.js

@@ -64,7 +64,17 @@ vuePreset.registerTranspiler(module => /\.jsx?$/.test(module.title), [
         'latest',
         'stage-2',
       ],
-      plugins: ['transform-runtime', 'transform-vue-jsx'],
+      plugins: [
+        [
+          'transform-runtime',
+          {
+            helpers: false,
+            polyfill: false,
+            regenerator: true,
+          },
+        ],
+        'transform-vue-jsx',
+      ],
     },
   },
 ]);