livecodingspace-app/public/lib/ui/shoelace/dist/internal/offset.js

export function getOffset(element, parent) {
    return {
        top: Math.round(element.getBoundingClientRect().top - parent.getBoundingClientRect().top),
        left: Math.round(element.getBoundingClientRect().left - parent.getBoundingClientRect().left)
    };
}