We've created a lightweight, extensible, dependency-free datepicker based on <a href="https://flatpickr.js.org/" target="_blank">flatpickr</a>.

```html
<script src="[path-to-volta]/js/addons/volta-flatpickr.js"></script>
<link href="[path-to-volta]/dist/css/addons/volta-flatpickr.min.css">
```
Set the following at the end of the <code>body</code>:

```javascript
var datepickerRange = flatpickr('#datepicker-range', {mode: "range", dateFormat: "d/m/Y", closeOnSelect: false});

var datepickerRangeTrigger = document.querySelector('#datepicker-range-trigger');
datepickerRangeTrigger.addEventListener('click', function() {
    datepickerRange.open();
});
```