Add umd build; fixes #354 (#362)

.gitignore

@@ -1,4 +1,5 @@
 lib
+dist
 node_modules
 coverage
 *.log

package.json

@@ -16,7 +16,10 @@
   ],
   "license": "MIT",
   "scripts": {
-    "build": "mkdir -p lib && babel ./src -d lib",
+    "build": "npm run build:commonjs & npm run build:umd & npm run build:umd:min",
+    "build:commonjs": "mkdir -p lib && babel ./src -d lib",
+    "build:umd": "webpack dist/ReactRouterRedux.js",
+    "build:umd:min": "NODE_ENV=production webpack dist/ReactRouterRedux.min.js",
     "lint": "eslint examples src test",
     "test": "npm run lint && npm run test:node && npm run test:browser",
     "test:node": "mocha --compilers js:babel-register --recursive ./test/*.spec.js",

webpack.config.js

@@ -0,0 +1,29 @@
+var webpack = require('webpack')
+
+var config = {
+  entry: './src/index',
+  module: {
+    loaders: [
+      { test: /\.js$/, loaders: [ 'babel' ], exclude: /node_modules/ }
+    ]
+  },
+  output: {
+    library: 'ReactRouterRedux',
+    libraryTarget: 'umd'
+  },
+  plugins: [
+    new webpack.optimize.OccurenceOrderPlugin()
+  ]
+}
+
+if (process.env.NODE_ENV === 'production') {
+  config.plugins.push(
+    new webpack.optimize.UglifyJsPlugin({
+      compressor: {
+        warnings: false
+      }
+    })
+  )
+}
+
+module.exports = config