code>cssify</code> to include the css definitions required by OpenLayers in our bundle. <code>watchify</code>, <code>http-server</code> and <code>uglify-js</code> are used to monitor for changes and to build into a minified bundle. <code>babelify</code> and <code>babel-plugin-transform-es2015-modules-commonjs</code> are used to make the <code>ol</code> package, which was created using ES2015 modules, work with CommonJS.</p>
<h2 id="application-code-and-index-html">Application code and index.html</h2>
<p>Pla