JSFiddle - React, Tailwind, and code Playground

HTML

<textarea id="inputPane" cols="80" rows="40" class="pane">
<p>
    some text here...
</p>
       <p>
    more text here...
</p>
</textarea>

JavaScript

$(document).ready(function(){
    $('.pane').val(function(i,v){
        return v.replace(/\s+/g,' ').replace(/>(\s)</g,'>\n<');
    });
})