https://gangemi.com/wp-content/plugins/doofinder-for-woocommerce/assets/js/df-add-to-cart.js?ver=2.17.1

1class DoofinderAddToCartError extends Error {
2    constructor(reason, status = "") {
3        const message = "Error adding an item to the cart. Reason: " + reason + ". Status code: " + status;
4        super(message);
5        this.name = "DoofinderAddToCartError";
6    }
7}  
8
9(function ($) {
10    $(document).ready(function () {
11        document.addEventListener("doofinder.cart.add", function (event) {
12            const { item_id, amount, statusPromise } = event.detail;
13            addProductToCart(item_id, amount, statusPromise);
14        });
15    });
16
17    function addProductToCart(item_id, amount, statusPromise) {
18        amount = !amount ? 1 : parseInt(amount);
19        item_id = parseInt(item_id);
20
21        $.ajax({
22            type: "post",
23            url: df_cart.ajax_url,
24            dataType: "json",
25            data: {
26                action: "doofinder_get_product_info",
27                id: item_id,
28            },
29            success: function (response) {
30                if (response.add_to_cart) {
31                    wc_add_to_cart(
32                        response.product,
33                        response.variation,
34                        amount,
35                        statusPromise
36                    );
37                } else {
38                    statusPromise.reject(new DoofinderAddToCartError("Empty cart response"));
39                    window.location = response.product_url;
40                }
41            },
42            error: function(xhr, ajaxOptions, thrownError) {
43                statusPromise.reject(new DoofinderAddToCartError(thrownError, xhr.status));
44            }
45        });
46    }
47
48    function wc_add_to_cart(product_id, variation_id, product_qty, statusPromise) {
49        var data = {
50            action: "doofinder_ajax_add_to_cart",
51            product_id: product_id,
52            quantity: product_qty,
53            variation_id: variation_id,
54            nonce: df_cart.nonce
55        };
56
57        $fakebutton = $("<input type='button'/>");
58
59        $(document.body).trigger("adding_to_cart", [$fakebutton, data]);
60
61        $.ajax({
62            type: "post",
63            url: df_cart.ajax_url,
64            data: data,
65            success: function (response) {
66                if (response.error & response.product_url) {
67                    statusPromise.reject(new DoofinderAddToCartError("Invalid product or cart"));
68                    window.location = response.product_url;
69                } else if (typeof wc_add_to_cart_params !== "undefined") {
70                    //Woocommerce cart is included, trigger add to cart event
71                    $(document.body).trigger("added_to_cart", [
72                        response.fragments,
73                        response.cart_hash,
74                        $fakebutton,
75                    ]);
76                    statusPromise.resolve("The item has been successfully added to the cart.");
77                } else {
78                    //No woocommerce cart, reload the page
79                    statusPromise.reject(new DoofinderAddToCartError("No Woocommerce cart was found."));
80                    location.reload();
81                }
82            },
83            error: function(xhr, ajaxOptions, thrownError) {
84                statusPromise.reject(new DoofinderAddToCartError(thrownError, xhr.status));
85            }
86        });
87    }
88})(jQuery);