chore(package): add cross-env

Author: matteocng

package.json

@@ -22,8 +22,8 @@
     "url": "git://github.com/matteocng/react-flag-icon-css-example-multi.git"
   },
   "scripts": {
-    "start": "USE_CSS_MODULES=true babel-node webpack/server.js",
-    "start:classes": "USE_CSS_MODULES=false babel-node webpack/server.js",
+    "start": "cross-env USE_CSS_MODULES=true babel-node webpack/server.js",
+    "start:classes": "cross-env USE_CSS_MODULES=false babel-node webpack/server.js",
     "flow": "flow; test $? -eq 0 -o $? -eq 2",
     "lint": "npm run lint:js && npm run lint:css",
     "lint:js": "eslint src cmrh.conf.js",
@@ -54,6 +54,7 @@
     "babel-preset-es2015": "^6.24.1",
     "babel-preset-react": "^6.24.1",
     "babel-register": "^6.24.1",
+    "cross-env": "^5.0.0",
     "css-loader": "^0.28.1",
     "eslint": "^3.19.0",
     "eslint-config-airbnb": "^13.0.0",

yarn.lock

@@ -1339,6 +1339,13 @@ create-hmac@^1.1.0, create-hmac@^1.1.2:
     create-hash "^1.1.0"
     inherits "^2.0.1"
 
+cross-env@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-5.0.0.tgz#565ccae4d09676441a5087f406fe7661a29c931b"
+  dependencies:
+    cross-spawn "^5.1.0"
+    is-windows "^1.0.0"
+
 cross-spawn@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-3.0.1.tgz#1256037ecb9f0c5f79e3d6ef135e30770184b982"
@@ -1354,6 +1361,14 @@ cross-spawn@^5.0.1:
     shebang-command "^1.2.0"
     which "^1.2.9"
 
+cross-spawn@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
+  dependencies:
+    lru-cache "^4.0.1"
+    shebang-command "^1.2.0"
+    which "^1.2.9"
+
 cryptiles@2.x.x:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-2.0.5.tgz#3bdfecdc608147c1c67202fa291e7dca59eaa3b8"
@@ -2779,6 +2794,10 @@ is-utf8@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
 
+is-windows@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.1.tgz#310db70f742d259a16a369202b51af84233310d9"
+
 isarray@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"