Fix spacing

src/fixtures/nuxt/async.expected.js

@@ -1,18 +1,17 @@
 const getAllDynamicRoute = async function() {
-    const routes = await (async () => {
+  const routes = await (async () => {
-      return ['/posts/hello-world', '/posts/hello-again'];
+    return ['/posts/hello-world', '/posts/hello-again'];
-    })();
+  })();
-    return routes;
+  return routes;
-  };
+};
-  
+
-  export default {
+export default {
-    target: 'static',
+  target: 'static',
-    router: {base: '/docs/'},
+  router: {base: '/docs/'},
-    mode: 'universal',
+  mode: 'universal',
-    generate: {
+  generate: {
-      async routes () {
+    async routes () {
-        return getAllDynamicRoute();
+      return getAllDynamicRoute();
-      }
     }
-  };
+  }
-  
+};