Custom builds of OpenLayers 3.
Install planet-maps as a dependency with npm.
npm install planet-maps --save-dev
Use Browserify to require OpenLayers 3.
/* See below for a list of custom builds */
var ol = require('planet-maps/dist/ol-base');
You'll also want to import the stylesheet:
/* Make sure to use the path to your node_modules */
@import url('./node_modules/planet-maps/dist/ol.css');
Support for vector and raster souces. See config/ol-base.json for details on what is included.