function addUniqueItem(arr, item) {
    if (arr.indexOf(item) === -1)
        arr.push(item);
}
function removeItem(arr, item) {
    const index = arr.indexOf(item);
    if (index > -1)
        arr.splice(index, 1);
}
// Adapted from array-move
function moveItem([...arr], fromIndex, toIndex) {
    const startIndex = fromIndex < 0 ? arr.length + fromIndex : fromIndex;
    if (startIndex >= 0 && startIndex < arr.length) {
        const endIndex = toIndex < 0 ? arr.length + toIndex : toIndex;
        const [item] = arr.splice(fromIndex, 1);
        arr.splice(endIndex, 0, item);
    }
    return arr;
}

export { addUniqueItem, moveItem, removeItem };