Extend ./react/.eslintrc.js from ./.eslintrc.js

react/.eslintrc.js

 module.exports = {
-    'env': {
-        'browser': true,
-        'commonjs': true,
-        'es6': true
-    },
+    'extends': '../.eslintrc.js',
     'parser': 'babel-eslint',
     'parserOptions': {
         'ecmaFeatures': {
-            'experimentalObjectRestSpread': true,
             'jsx': true
-        },
-        'sourceType': 'module'
+        }
     },
     'plugins': [
         'jsdoc',