This example demonstrates how ol and ol-ext packages can be used with webpack 2.
Clone the project.
git clone https://github.com/darkscript/ol-ol-ext-webpack-example.git
Install the project dependencies.
cd ol-webpack
npm install
Create a bundle for the browser.
npm run build
Open index.html to see the result.
open index.html
Map with openlayers and ol-ext controls
For more information, go to ol-ext examples. Also go to to Openlayers.