JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" />

JavaScript

$(document).ready(function() {
    $('input').on('keydown', function(event) {
        if (this.selectionStart == 0 && event.keyCode >= 65 && event.keyCode <= 90 && !(event.shiftKey)) {
           event.preventDefault();
           var myEvent = jQuery.Event('keypress');
           myEvent.target = event.target;
           myEvent.shiftKey = true;
           myEvent.keyCode = event.keyCode;
           $(document).trigger(myEvent);
        }
    });
});