server/views/previewIndex: update to named export

Author: clairep94

server/previewServer.js

@@ -8,7 +8,7 @@ import webpackHotMiddleware from '@gatsbyjs/webpack-hot-middleware';
 import config from '../webpack/config.dev';
 import embedRoutes from './routes/embed.routes';
 import assetRoutes from './routes/asset.routes';
-import renderPreviewIndex from './views/previewIndex';
+import { renderPreviewIndex } from './views/previewIndex';
 
 const app = new Express();
 

server/views/previewIndex.ts

@@ -1,4 +1,4 @@
-function renderPreviewIndex() {
+export function renderPreviewIndex() {
   const assetsManifest =
     process.env.webpackAssets && JSON.parse(process.env.webpackAssets);
   return `
@@ -34,5 +34,3 @@ function renderPreviewIndex() {
     </html>
   `;
 }
-
-export default renderPreviewIndex;