Gadecosmetics.com "Free delivery" event to Adoric for GTM.

<script>
(function() {
    var minPrice = 60;
    var maxPrice = 99;
    function checkTotalCart() {
        var parser = new DOMParser();
        var doc =  '';
        var data = null;
        var xhr = new XMLHttpRequest();
        xhr.withCredentials = true;
        xhr.addEventListener('readystatechange', function () {
            if (this.readyState === 4) {

                doc = parser.parseFromString(this.responseText, 'text/html');
                var cartData = JSON.parse(doc.querySelector('body').innerText, 2);
                var totalPrice = cartData.total_price;
                totalPrice = parseInt(totalPrice / 100);
                if ((totalPrice >= minPrice) && (totalPrice <= maxPrice)) {
                    window.adoric && adoric.trigger('FreeDelivery');
                }
            }
        });
        xhr.open('GET', 'https://www.gadecosmetics.com/cart.js');
        xhr.setRequestHeader('cache-control', 'no-cache');
        xhr.send(data);
    }

    var listProductForms = document.querySelectorAll('.shopify-product-form');
    if (listProductForms.length > 0) {
        for(var i = 0; i < listProductForms.length; i++) {
            listProductForms[i].addEventListener('submit', function(){
                setTimeout(checkTotalCart, 2000);
            });
        }
    }
})();
</script>