daily functions candidates

export default function relativeOffset($item, $block) {
    const itemOffset = $item.offset();
    const blockOffset = $block.offset();

    return {
        top: itemOffset.top - blockOffset.top,
        left: itemOffset.left - blockOffset.left,
    };
}

export const toggleElement = (
	arr: Array<number | string>,
	val: number | string
) => {
	return arr.includes(val) ? arr.filter((el) => el !== val) : [...arr, val];
};