Create a umd-build script

.gitignore

@@ -3,3 +3,4 @@
 *.swp
 node_modules
 lib
+umd

package.json

@@ -8,11 +8,14 @@
   "files": [
     "*.md",
     "*.js",
-    "lib"
+    "lib",
+    "umd"
   ],
   "scripts": {
     "build:commonjs": "BABEL_ENV=commonjs babel src --out-dir lib",
-    "build": "npm run build:commonjs",
+    "build:umd": "NODE_ENV=development webpack src/index.js umd/ConnectedReactRouter.js",
+    "build:umd:min": "NODE_ENV=production webpack -p src/index.js umd/ConnectedReactRouter.min.js",
+    "build": "npm run build:commonjs & npm run build:umd & npm run build:umd:min",
     "lint": "eslint .",
     "test": "jest --config ./.jestrc",
     "test:watch": "npm run test -- --watch",
@@ -33,6 +36,7 @@
     "babel-core": "^6.20.0",
     "babel-eslint": "^7.1.1",
     "babel-jest": "^17.0.2",
+    "babel-loader": "^6.3.1",
     "babel-plugin-rewire": "^1.0.0",
     "babel-preset-es2015": "^6.18.0",
     "babel-preset-react": "^6.16.0",
@@ -51,7 +55,8 @@
     "redux": "^3.6.0",
     "redux-immutable": "^3.0.11",
     "redux-mock-store": "^1.2.1",
-    "rewire": "^2.5.2"
+    "rewire": "^2.5.2",
+    "webpack": "^2.2.1"
   },
   "repository": {
     "type": "git",

webpack.config.js

@@ -0,0 +1,23 @@
+var webpack = require('webpack')
+
+var config = {
+  entry: './src/index',
+  module: {
+    rules: [
+      { test: /\.js$/, use: [ 'babel-loader' ], exclude: /node_modules/ }
+    ]
+  },
+  output: {
+    library: 'ConnectedReactRouter',
+    libraryTarget: 'umd'
+  }
+}
+
+if (process.env.NODE_ENV === 'production') {
+  config.plugins = [
+    new webpack.optimize.UglifyJsPlugin({ sourceMap: true }),
+    new webpack.LoaderOptionsPlugin({ minimize: true })
+  ]
+}
+
+module.exports = config