Switch to preset-env

Disables webpack modules by enabling babel modules to resolve #1638

Author: Timer

packages/babel-preset-react-app/index.js

@@ -84,10 +84,13 @@ if (env === 'test') {
   module.exports = {
     presets: [
       // Latest stable ECMAScript features
-      [require.resolve('babel-preset-latest'), {
-        'es2015': {
-          modules: false
-        }
+      [require.resolve('babel-preset-env'), {
+        targets: {
+          // We support everything React supports
+          'ie': 9
+        },
+        // Disable polyfill transforms
+        useBuiltIns: false
       }],
       // JSX, Flow
       require.resolve('babel-preset-react')

packages/babel-preset-react-app/package.json

@@ -13,17 +13,16 @@
   "dependencies": {
     "babel-plugin-dynamic-import-node": "1.0.0",
     "babel-plugin-syntax-dynamic-import": "6.18.0",
-    "babel-plugin-transform-class-properties": "6.22.0",
-    "babel-plugin-transform-object-rest-spread": "6.22.0",
-    "babel-plugin-transform-react-constant-elements": "6.22.0",
-    "babel-plugin-transform-react-jsx": "6.22.0",
+    "babel-plugin-transform-class-properties": "6.23.0",
+    "babel-plugin-transform-object-rest-spread": "6.23.0",
+    "babel-plugin-transform-react-constant-elements": "6.23.0",
+    "babel-plugin-transform-react-jsx": "6.23.0",
     "babel-plugin-transform-react-jsx-self": "6.22.0",
     "babel-plugin-transform-react-jsx-source": "6.22.0",
     "babel-plugin-transform-regenerator": "6.22.0",
-    "babel-plugin-transform-runtime": "6.22.0",
-    "babel-preset-env": "1.1.8",
-    "babel-preset-latest": "6.22.0",
-    "babel-preset-react": "6.22.0",
-    "babel-runtime": "6.22.0"
+    "babel-plugin-transform-runtime": "6.23.0",
+    "babel-preset-env": "1.2.1",
+    "babel-preset-react": "6.23.0",
+    "babel-runtime": "6.23.0"
   }
 }