Simple angular component doesn't show anything
<p>I'm trying to implement a very simple Angular component. I expect it to output "Hello World" for the <code>main-windows</code> tag. Unfortunately it's not showing anything.</p>

<p>I can confirm, that webpack is working fine. I can see all my files packed in  <code>bundle.js</code> and there are not errors.</p>

<p>index.html:</p>

<pre><code>&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head lang="en"&gt;
    &lt;title&gt;Test Page&lt;/title&gt;
    &lt;meta charset="UTF-8"&gt;
    &lt;meta name="viewport" content="width=device-width, initial-scale=1"&gt;
&lt;/head&gt;
&lt;body ng-app="prj"&gt;

&lt;main-window&gt;&lt;/main-window&gt;

&lt;script src="bundle.js"&gt;&lt;/script&gt;

&lt;/body&gt;
&lt;/html&gt;
</code></pre>

<p>index.js:</p>

<pre><code>import 'expose?$!expose?jQuery!jquery';
import angular from 'angular';
import 'bootstrap-webpack';
import './mystyle.css';
import './mainWindow.js'

var ngModule = angular.module('prj', []);
</code></pre>

<p>mainWindow.js:
    import angular from 'angular';</p>

<pre><code>angular.module('prj', []).component('mainWindow', {
        template: '&lt;h1&gt;Hello World&lt;/h1&gt;'
    }
);
</code></pre>