Fix react-native-web example by adding babel plugin (vercel#9078)

* fix react-native-web example by adding babel plugin

* changes

Author: flybayer

examples/with-react-native-web/babel.config.js

@@ -0,0 +1,4 @@
+module.exports = {
+  presets: ['next/babel'],
+  plugins: [['react-native-web', { commonjs: true }]]
+}

examples/with-react-native-web/next.config.js

@@ -1,10 +1,11 @@
 module.exports = {
-  webpack: config => {
+  webpack: (config, { defaultLoaders }) => {
     config.resolve.alias = {
       ...(config.resolve.alias || {}),
       // Transform all direct `react-native` imports to `react-native-web`
       'react-native$': 'react-native-web'
     }
+    config.resolve.extensions.push('.web.js', '.web.ts', '.web.tsx')
     return config
   }
 }

examples/with-react-native-web/package.json

@@ -10,5 +10,8 @@
     "react": "^16.7.0",
     "react-dom": "^16.7.0",
     "react-native-web": "^0.11.6"
+  },
+  "devDependencies": {
+    "babel-plugin-react-native-web": "^0.11.7"
   }
 }