Webpack-babel-cordova example You must have node installed create package.json using npm init command install webpack npm install --save-dev webpack install babel-core and loader installed npm install --save-dev babel-loader babel-core install the babel presets npm install babel-preset-env --save-dev include .babelrcfile or include in your webconfig file.I have added presets in my webconfig file. More info on babel refer https://babeljs.io/docs/setup/#installation you can add react plugin if you need it in your application.
Once set up is complete run npm webpack before running the app
Cordova app
In www folder I have a src folder which is going to be convert es6 to old javascript(dist) which would be used by application