Build umd with rollup (reduxjs#2283)

* Build umd with rollup

* Resolve jsnext entry in symbol-observable

* Remove useless commonjs

* Don't try to handle a missing process.env

Author: TrySound

package.json

@@ -22,8 +22,8 @@
     "test:cov": "yarn test -- --coverage",
     "build:commonjs": "cross-env BABEL_ENV=commonjs babel src --out-dir lib",
     "build:es": "cross-env BABEL_ENV=es babel src --out-dir es",
-    "build:umd": "cross-env BABEL_ENV=commonjs NODE_ENV=development webpack src/index.js dist/redux.js",
-    "build:umd:min": "cross-env BABEL_ENV=commonjs NODE_ENV=production webpack src/index.js dist/redux.min.js",
+    "build:umd": "cross-env BABEL_ENV=es NODE_ENV=development rollup -c -i src/index.js -o dist/redux.js",
+    "build:umd:min": "cross-env BABEL_ENV=es NODE_ENV=production rollup -c -i src/index.js -o dist/redux.min.js",
     "build": "yarn run build:commonjs && yarn run build:es && yarn run build:umd && yarn run build:umd:min",
     "prepublish": "yarn run clean && yarn run lint && yarn test && yarn run build && check-es3-syntax lib/ dist/ --kill --print",
     "examples:build": "babel-node examples/buildAll.js",
@@ -72,7 +72,6 @@
     "babel-core": "^6.3.15",
     "babel-eslint": "^7.0.0",
     "babel-jest": "^18.0.0",
-    "babel-loader": "^6.2.0",
     "babel-plugin-check-es2015-constants": "^6.3.13",
     "babel-plugin-transform-es2015-arrow-functions": "^6.3.13",
     "babel-plugin-transform-es2015-block-scoped-functions": "^6.3.13",
@@ -107,10 +106,14 @@
     "glob": "^7.1.1",
     "jest": "^18.0.0",
     "rimraf": "^2.3.4",
+    "rollup": "^0.41.4",
+    "rollup-plugin-babel": "^2.7.1",
+    "rollup-plugin-node-resolve": "^2.0.0",
+    "rollup-plugin-replace": "^1.1.1",
+    "rollup-plugin-uglify": "^1.0.1",
     "rxjs": "^5.0.0-beta.6",
     "typescript": "^1.8.0",
-    "typescript-definition-tester": "0.0.4",
-    "webpack": "^1.9.6"
+    "typescript-definition-tester": "0.0.4"
   },
   "npmName": "redux",
   "npmFileMap": [

webpack.config.js renamed to rollup.config.js

@@ -1,30 +1,29 @@
-'use strict';
-
-var webpack = require('webpack')
+import nodeResolve from 'rollup-plugin-node-resolve';
+import babel from 'rollup-plugin-babel';
+import replace from 'rollup-plugin-replace';
+import uglify from 'rollup-plugin-uglify';
 
 var env = process.env.NODE_ENV
 var config = {
-  module: {
-    loaders: [
-      { test: /\.js$/, loaders: ['babel-loader'], exclude: /node_modules/ }
-    ]
-  },
-  output: {
-    library: 'Redux',
-    libraryTarget: 'umd'
-  },
+  format: 'umd',
+  moduleName: 'Redux',
   plugins: [
-    new webpack.optimize.OccurrenceOrderPlugin(),
-    new webpack.DefinePlugin({
+    nodeResolve({
+      jsnext: true
+    }),
+    babel({
+      exclude: 'node_modules/**'
+    }),
+    replace({
       'process.env.NODE_ENV': JSON.stringify(env)
     })
   ]
-};
+}
 
 if (env === 'production') {
   config.plugins.push(
-    new webpack.optimize.UglifyJsPlugin({
-      compressor: {
+    uglify({
+      compress: {
         pure_getters: true,
         unsafe: true,
         unsafe_comps: true,
@@ -41,4 +40,4 @@ if (env === 'production') {
   )
 }
 
-module.exports = config
+export default config

src/combineReducers.js

@@ -2,8 +2,6 @@ import { ActionTypes } from './createStore'
 import isPlainObject from 'lodash/isPlainObject'
 import warning from './utils/warning'
 
-const NODE_ENV = typeof process !== 'undefined' ? process.env.NODE_ENV : 'development'
-
 function getUndefinedStateErrorMessage(key, action) {
   const actionType = action && action.type
   const actionName = (actionType && `"${actionType.toString()}"`) || 'an action'
@@ -107,7 +105,7 @@ export default function combineReducers(reducers) {
   for (let i = 0; i < reducerKeys.length; i++) {
     const key = reducerKeys[i]
 
-    if (NODE_ENV !== 'production') {
+    if (process.env.NODE_ENV !== 'production') {
       if (typeof reducers[key] === 'undefined') {
         warning(`No reducer provided for key "${key}"`)
       }
@@ -120,7 +118,7 @@ export default function combineReducers(reducers) {
   const finalReducerKeys = Object.keys(finalReducers)
 
   let unexpectedKeyCache
-  if (NODE_ENV !== 'production') {
+  if (process.env.NODE_ENV !== 'production') {
     unexpectedKeyCache = {}
   }
 
@@ -136,7 +134,7 @@ export default function combineReducers(reducers) {
       throw sanityError
     }
 
-    if (NODE_ENV !== 'production') {
+    if (process.env.NODE_ENV !== 'production') {
       const warningMessage = getUnexpectedStateShapeWarningMessage(state, finalReducers, action, unexpectedKeyCache)
       if (warningMessage) {
         warning(warningMessage)

src/index.js

@@ -12,7 +12,6 @@ import warning from './utils/warning'
 function isCrushed() {}
 
 if (
-  typeof process !== 'undefined' &&
   process.env.NODE_ENV !== 'production' &&
   typeof isCrushed.name === 'string' &&
   isCrushed.name !== 'isCrushed'