fix build refactor

Author: gilbarbara

.babelrc

@@ -16,12 +16,27 @@
     "production": {
       "plugins": [
         "array-includes",
-        "transform-flow-strip-types"
+        "transform-flow-strip-types",
+        "transform-object-assign"
       ]
     },
     "commonjs": {
+      "presets": [
+        [
+          "env", {
+          "useBuiltIns": true,
+          "targets": {
+            "browsers": ["last 2 versions", "safari >= 7"]
+          }
+        }
+        ],
+        "react",
+        "stage-1"
+      ],
       "plugins": [
-        ["transform-es2015-modules-commonjs", { "loose": true }]
+        "array-includes",
+        "transform-flow-strip-types",
+        "transform-object-assign"
       ]
     },
     "test": {

package-lock.json

@@ -51,7 +51,7 @@
     "babel-plugin-array-includes": "^2.0.3",
     "babel-plugin-istanbul": "^4.1.5",
     "babel-plugin-transform-flow-strip-types": "^6.22.0",
-    "babel-plugin-transform-runtime": "^6.23.0",
+    "babel-plugin-transform-object-assign": "^6.22.0",
     "babel-preset-env": "^1.6.1",
     "babel-preset-react": "^6.24.1",
     "babel-preset-stage-1": "^6.24.1",

package.json

@@ -1,7 +1,6 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 import Payment from 'payment';
-import './styles.scss';
 
 class ReactCreditCards extends React.Component {
   constructor(props) {