Return the total price of your wishlist on DLsite

dlsite-total-prices.js

// ==UserScript==
// @name         Total prices
// @namespace    http://tampermonkey.net/
// @version      2024-05-19
// @description  Return the total price of your wishlist before yuo try to clean.
// @author       You
// @match        https://www.dlsite.com/**/mypage/wishlist
// @icon         https://www.google.com/s2/favicons?sz=64&domain=dlsite.com
// @grant        none
// ==/UserScript==

(function() {
    "use strict";
    // Your code here...
    console.log("TP: Total prices");
    const get_prices = () => {
        const dom = document.querySelectorAll(".work_1col_table .work_price");
        const callback = (i = "") => i.textContent.replace(/[^0-9.]/g, "");
        return [...dom].map( callback );
    };
    const get_total_price = (input = [""]) => {
        return input
            .map( t => parseInt(t,10) )
            .reduce( (x,y) => x + y )
        ;
    };
    const result = get_total_price( get_prices() );
    const render_to_page_total = (input = 0) => {
        // span
        const hint = document.createElement("i");
        hint.textContent = ` 総額：${String(input)} 円`;
        hint.classList.add("work_price");
        // render
        console.log({ total_price: result });
        document.querySelector(".page_total").appendChild(hint);
    };
    render_to_page_total(result);
})();