{ "devDependencies": { "babelify": "^6.1.2", "browserify": "^10.2.4", "watchify": "^3.2.3" }, "scripts": { "watch": "watchify -t babelify src/app.jsx -o dest/app.js -v" }, "dependencies": { "flux": "^2.0.3", "react": "^0.13.3" } } import {EventEmitter} from 'events'; import React from 'react'; import AppDispatcher from './app_dispatcher'; const COUNTER_CONST = { UPDATE_COUNTER: 'UPDATE_COUNTER' };