Unify configs and use cross-env

Author: gaearon

package.json

@@ -6,8 +6,8 @@
   "jsnext:main": "./src/index.js",
   "scripts": {
     "build:lib": "babel src --out-dir lib",
-    "build:umd": "webpack src/index.js dist/react-redux.js --config webpack.config.development.js",
-    "build:umd:min": "webpack src/index.js dist/react-redux.min.js --config webpack.config.production.js",
+    "build:umd": "cross-env NODE_ENV=development webpack src/index.js dist/react-redux.js",
+    "build:umd:min": "cross-env NODE_ENV=production webpack src/index.js dist/react-redux.min.js",
     "build": "npm run build:lib && npm run build:umd && npm run build:umd:min",
     "clean": "rimraf lib dist coverage",
     "lint": "eslint src test",
@@ -51,6 +51,7 @@
     "babel-preset-es2015-loose": "^6.1.4",
     "babel-preset-react": "^6.3.13",
     "babel-preset-stage-0": "^6.3.13",
+    "cross-env": "^1.0.7",
     "eslint": "^1.7.1",
     "eslint-config-rackt": "1.1.0",
     "eslint-plugin-react": "^3.6.3",

webpack.config.development.js

@@ -1,6 +1,7 @@
 'use strict'
 
 var webpack = require('webpack')
+var env = process.env.NODE_ENV
 
 var reactExternal = {
   root: 'React',
@@ -16,7 +17,7 @@ var reduxExternal = {
   amd: 'redux'
 }
 
-module.exports = {
+var config = {
   externals: {
     'react': reactExternal,
     'redux': reduxExternal
@@ -30,7 +31,26 @@ module.exports = {
     library: 'ReactRedux',
     libraryTarget: 'umd'
   },
-  resolve: {
-    extensions: ['', '.js']
-  }
+  plugins: [
+    new webpack.optimize.OccurenceOrderPlugin(),
+    new webpack.DefinePlugin({
+      'process.env.NODE_ENV': JSON.stringify(env)
+    })
+  ]
 }
+
+if (env === 'production') {
+  config.plugins.push(
+    new webpack.optimize.UglifyJsPlugin({
+      compressor: {
+        pure_getters: true,
+        unsafe: true,
+        unsafe_comps: true,
+        screw_ie8: true,
+        warnings: false
+      }
+    })
+  )
+}
+
+module.exports = config