how to get `onDragStart` dataTransfer data on `onDropDragOver`

How to do this? I tried:

const handleDragOver = (e) => {
    console.log({t: e.dataTransfer.getData("text"), d: e.dataTransfer.getData("text/plain")});
    return {w: 2, h: 5};
};

const DraggableContainer = (props) => (
    <div
        className="droppable-element btn btn-default"
        draggable
        unselectable="on"
        onDragStart={(e) => e.dataTransfer.setData("text/plain", "testing"))}>
        {props.children}
    </div>
);

But got an empty string when logging.

If I could get the target element that is been dropped over would be fine as well.

[Ducki]

I can confirm, that the dataTransfer object doesn’t get exposed. The culprit seems to be here, where DragEvent doesn’t get included in the type declaration: https://github.com/react-grid-layout/react-grid-layout/blob/master/lib/utils.js#L51

In its current form, the new onDropDragOver handler is pretty useless without access to the actual dragEvent stuff.

[juny1zhang]

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