Robux Spent on Item

let target_id = 2706162950;
let [total_spent, total_purchased] = [0, 0];

async function grab(start_index) {
    let data = await fetch('https://www.roblox.com/My/money.aspx/getmytransactions', {
        method: 'POST',
        body: JSON.stringify({transactiontype: "purchase", startindex: start_index}),
        headers: {
            'Content-Type': 'application/json',
            'X-CSRF-TOKEN': Roblox.XsrfToken.getToken()
        }
    }).then((data) => {
        return data.text();
    }).then((data) => {
        data = JSON.parse(data);
        data = JSON.parse(data.d);
        if (data.Data.length > 0) {
            for (let val of data.Data) {
                val = JSON.parse(val);
                let itemid = val.Item_Url.match(/\d+/);
                itemid = (itemid != null ? itemid[0] : itemid);
                let amount = Number(val.Amount.replace(/,/g, ''));
                if (itemid == target_id) {
                    total_spent += amount;
                    total_purchased += 1;
                };
            };
            grab(start_index+20);
        } else {
            console.log('Total Spent:', total_spent, 'Total Purchased:', total_purchased);
        };
    });
};

grab(0);