removed cross env, added babel cli

Author: Voice-love

package.json

@@ -8,8 +8,8 @@
   "scripts": {
     "storybook": "start-storybook -s ./public -p 9001 -c .storybook",
     "test": "echo \"Error: no test specified\" && exit 1",
-    "build:commonjs": "cross-env BABEL_ENV=commonjs babel src --out-dir lib",
-    "build:es": "cross-env BABEL_ENV=es babel src --out-dir es",
+    "build:commonjs": "BABEL_ENV=commonjs babel src --out-dir lib",
+    "build:es": "BABEL_ENV=es babel src --out-dir es",
     "build": "yarn run build:commonjs && yarn run build:es",
     "clean": "rimraf lib es",
     "prepare": "yarn run clean && yarn run build"
@@ -30,18 +30,18 @@
   "devDependencies": {
     "@storybook/addon-actions": "^3.2.16",
     "@storybook/react": "^3.2.18",
-    "react-responsive-select": "^3.0.10"
+    "babel-cli": "^6.26.0",
+    "babel-plugin-transform-class-properties": "^6.24.1",
+    "babel-plugin-transform-object-rest-spread": "^6.26.0",
+    "rimraf": "^2.6.2"
   },
   "dependencies": {
     "array.prototype.find": "^2.0.4",
-    "babel-plugin-transform-class-properties": "^6.24.1",
-    "babel-plugin-transform-object-rest-spread": "^6.26.0",
-    "cross-env": "^5.1.1",
     "prop-types": "^15.6.0",
     "react": "^16.1.1",
     "react-dom": "^16.1.1",
     "react-slick": "^0.16.0",
-    "rimraf": "^2.6.2",
-    "styled-jsx": "^2.2.1"
+    "styled-jsx": "^2.2.1",
+    "react-responsive-select": "^3.0.10"
   }
 }