gtm show abandonment MAC

<script>
    (function() {
        window.localStorage.setItem('showAbandonment', false);
        var productsInCart = JSON.parse(window.localStorage.getItem('ins-cart-product-list'));
        if (productsInCart && productsInCart.data && productsInCart.data.productList && productsInCart.data.productList.length > 0) {
            window.localStorage.setItem('showAbandonment', true);
        }
    })();
</script>