JSFiddle - React, Tailwind, and code Playground

HTML

<div class="yui3-skin-sam" id="calContainer"></div>

JavaScript

YUI().use("base-build", "calendar", function (Y) {
    var MyCalendar = Y.Base.create(
        'mycalendar',
        Y.Calendar,
        [],
        {
            initializer: function () {
                minimumDate : new Date();
                this.CALDAY_TEMPLATE = '<p></p>';
            }
        },
        {}
    );
    var myCal = new MyCalendar (
        {   
            minDate : new Date(),
            render: "#calContainer"
            
        }
    );
});