migration: babel config

Author: deptno

.babelrc

@@ -0,0 +1,9 @@
+const env      = {
+  'process.env.NODE_ENV': process.env.NODE_ENV
+}
+module.exports = {
+  presets: ['next/babel'],
+  plugins: [['transform-define-file', env]]
+}
+
+

.babelrc.js

@@ -47,6 +47,7 @@
     "@zeit/next-css": "^0.2.0",
     "@zeit/next-typescript": "^1.0.0",
     "babel-plugin-transform-define": "^1.3.0",
+    "babel-plugin-transform-define-file": "^1.3.2",
     "cssnano": "^3.10.0",
     "enzyme": "^3.3.0",
     "enzyme-adapter-react-16": "^1.1.1",

package-lock.json

@@ -7,8 +7,7 @@ import {
 
 export default class extends Document {
   static async getInitialProps(...args) {
-    const d: any = Document
-    const documentProps = await d.getInitialProps(...args)
+    const documentProps = await Document.getInitialProps(...args)
     const {req, renderPage} = args[0]
     const page = renderPage()