JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://rawgit.com/showdownjs/showdown/master/src/showdown.js"></script>
<script src="https://rawgit.com/pdeschen/871c7a20c6a29a08a6b3/raw/map.js"></script>
    <script>
        $(document).ready(function() {
        
        var converter = new Showdown.converter({ extensions: ['maps'] });
        var map = converter.makeHtml('[map GIR 0AA]');
        $('#map').append(map)
        });
    </script>
    <h6></h6>
    <div id="map"></div>