Merge pull request #952 from mailpoet/assets_manifest

Uses cross-env to set environment variables [MAILPOET-919]

RoboFile.php

@@ -79,7 +79,7 @@ class RoboFile extends \Robo\Tasks {
 
   function compileJs($opts = ['env' => null]) {
     $env = ($opts['env']) ?
-      sprintf('NODE_ENV="%s"', $opts['env']) :
+      sprintf('./node_modules/cross-env/dist/bin/cross-env.js NODE_ENV="%s"', $opts['env']) :
       null;
     return $this->_exec($env . ' ./node_modules/webpack/bin/webpack.js --bail');
   }

package.json

@@ -39,6 +39,7 @@
     "babel-core": "^5.8.22",
     "babel-loader": "^5.3.2",
     "clean-webpack-plugin": "^0.1.16",
+    "cross-env": "^5.0.1",
     "chai": "2.2.0",
     "chai-jq": "0.0.8",
     "eslint": "^3.19.0",