JSFiddle - React, Tailwind, and code Playground

HTML

<div class="zoom">
    <div class="item"></div>
</div>

CSS

.zoom {
    width: 500px;
    height: 500px;
    zoom: 0.5;
    background: #f1f1f1;
}
.item {
    width: 100px;
    height: 100px;
    background: #000;
    position: absolute; /* it is necessary */
    
}

JavaScript

$('.item').draggable({
    drag: function(evt,ui) {
        var zoom = $('.zoom').css('zoom');
        ui.position.top = Math.round(ui.position.top / zoom);
		ui.position.left = Math.round(ui.position.left / zoom);
    }
});