Replace 'EnvironmentPlugin' with 'DefinePlugin'

config/webpack.config.base.js

@@ -1,17 +1,21 @@
 var webpack = require('webpack')
 
 var DedupePlugin = webpack.optimize.DedupePlugin
-var EnvironmentPlugin = webpack.EnvironmentPlugin
+var DefinePlugin = webpack.DefinePlugin
 var OccurenceOrderPlugin = webpack.optimize.OccurenceOrderPlugin
 var UglifyJsPlugin = webpack.optimize.UglifyJsPlugin
 
 var plugins = [
   new DedupePlugin(),
-  new EnvironmentPlugin('NODE_ENV'),
   new OccurenceOrderPlugin()
 ]
 
 if (process.env.NODE_ENV === 'production') {
+  plugins.push(
+    new DefinePlugin({
+      'process.env.NODE_ENV': JSON.stringify('production')
+    })
+  )
   plugins.push(
     new UglifyJsPlugin({
       compress: {

package.json

@@ -10,7 +10,7 @@
     "build": "rm -rf ./dist && webpack --config config/webpack.config.publish.js --sort-assets-by --progress",
     "examples": "webpack-dev-server --config config/webpack.config.example.js --inline --hot --colors --quiet",
     "lint": "eslint config examples src",
-    "prepublish": "NODE_ENV=publish npm run build",
+    "prepublish": "npm run build",
     "test": "npm run lint && npm run test:unit",
     "test:unit": "karma start config/karma.config.js",
     "test:watch": "npm run test:unit -- --no-single-run"