Use preset-env

Author: danez

.babelrc

@@ -1,6 +1,6 @@
 {
   "presets": [
-    "latest",
+    ["env", { "loose": true }],
     "react"
   ],
   "plugins": [

package.json

@@ -47,9 +47,8 @@
     "babel-loader": "^6.2.4",
     "babel-plugin-transform-class-properties": "^6.11.5",
     "babel-plugin-transform-object-rest-spread": "^6.8.0",
-    "babel-preset-latest": "^6.14.0",
+    "babel-preset-env": "^1.3.3",
     "babel-preset-react": "^6.5.0",
-    "babel-preset-stage-1": "^6.5.0",
     "cross-env": "^3.0.0",
     "enzyme": "^2.3.0",
     "eslint": "^3.5.0",