<wcollapse [config]="config">
<div header>
<h1>This is the header collapse</h1>
</div>
<div body>
<p>This is the body collapse</p>
</div>
</wcollapse>config = { show: false, toggle: function() { this.show = !this.show }, open:
function() { this.show = true }, close: function() { this.show = false } }