Browserify es6 and react example build/watch script.

package.json

{
  "name": "redux-browserify-es6-example",
  "main": "js/index.js",
  "scripts": {
    "test": "mocha --require babel-core/register",
    "test:watch": "npm test -- --watch"
  },
  "dependencies": {
    "expect": "^1.13.4",
    "express": "^4.13.3",
    "react": "^0.14.3",
    "react-dom": "^0.14.3",
    "react-redux": "^4.0.6",
    "redux": "^3.0.5",
    "redux-thunk": "^1.0.2",
    "seamless-immutable": "^4.1.1",
    "underscore": "^1.8.3"
  },
  "devDependencies": {
    "babel-preset-es2015": "^6.3.13",
    "babel-preset-react": "^6.3.13",
    "babelify": "^7.2.0",
    "browserify": "^12.0.1",
    "mocha": "^2.3.4",
    "watchify": "^3.6.1"
  }
}

watch.js

#!/usr/bin/env node

// package.json is provided as an example to show what deps this example works with
// it includes some additional deps like redux and mocha

// 1. Put es6/react code inn js folder and have index.js as starting point
// 2. Install deps with npm.
// 3. run `$ ./watch.js`

var fs = require("fs");
var browserify = require("browserify");
var watchify = require('watchify');

function log (msg) {
  console.log("["+new Date()+"]: "+msg);
}

var b = browserify({
  cache: {},
  packageCache: {},
  plugin: [watchify],
  entries: ["./js/index.js"],
  debug: true
}).transform("babelify", {
    // `stage-2` currently needed for (some uses of?) spread operator
    presets: ["es2015", "react", "stage-2"]
  }).on('update', bundle)
    .on('log', log);

bundle();
function bundle() {
  log("creating bundle");
  b.bundle((err, buf)=>{
    if(err){
      console.log(err.message)
      return;
    }
    fs.writeFile("bundle.js",buf);
  });
}