Enables sorting by price (ascending and descending) via button on a GOG wishlist page. Switching between "sort by price" and a native sorting option (title, date added, user reviews) automatically refreshes the page twice.
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// ==UserScript==
// @name GOG Wishlist - Sort by Price (Button)
// @namespace https://github.com/idkicarus/gog-wishlist-sort-by-price
// @description Enables sorting by price (ascending and descending) via button on a GOG wishlist page. Switching between "sort by price" and a native sorting option (title, date added, user reviews) automatically refreshes the page twice.
// @version 1.02
// @license MIT
// @author Jibril Ikharo
// @match https://www.gog.com/account/wishlist*
// @match https://www.gog.com/en/account/wishlist*
// @run-at document-end
// ==/UserScript==
(function () {
// -----------------------
// State Variables
// -----------------------
// `ascendingOrder` determines whether the sorting order is ascending or descending.
// `lastSortWasPrice` tracks if the last sorting action was performed by our custom "Sort by Price" button.
// `refreshStage` is a flag stored in sessionStorage to coordinate the two-stage page refresh when reverting to a native sort.
let ascendingOrder = true;
let lastSortWasPrice = false;
let refreshStage = sessionStorage.getItem("gog_sort_fix_stage");
// -----------------------
// Helper Functions for Refresh Process
// -----------------------
/**
* hideWishlist
* Hides the wishlist section by reducing its opacity and disabling pointer events.
* This prevents users from seeing an unsorted or transitional state during the refresh process.
*/
function hideWishlist() {
let wishlistSection = document.querySelector(".account__product-lists");
if (wishlistSection) {
wishlistSection.style.opacity = "0";
wishlistSection.style.pointerEvents = "none";
}
}
/**
* showWishlist
* Restores the wishlist section's visibility and re-enables pointer events.
* This is used after the refresh process is complete.
*/
function showWishlist() {
let wishlistSection = document.querySelector(".account__product-lists");
if (wishlistSection) {
wishlistSection.style.opacity = "1";
wishlistSection.style.pointerEvents = "auto";
}
}
// If the script detects that it is in the first stage of the refresh process (refreshStage === "1"),
// hide the wishlist on DOMContentLoaded and schedule the second refresh.
if (refreshStage === "1") {
document.addEventListener("DOMContentLoaded", () => {
hideWishlist();
});
console.log("[Sort By Price] In refresh stage 1; scheduling second refresh.");
setTimeout(() => {
console.log("[Sort By Price] Performing second refresh to finalize native sorting.");
sessionStorage.removeItem("gog_sort_fix_stage"); // Clear the flag
location.reload(); // Reload the page to complete the native sort
}, 50);
}
// -----------------------
// Custom Sorting Logic
// -----------------------
// Create a "Sort by Price" button.
let sort_btn = document.createElement("button");
sort_btn.innerHTML = "Sort by Price";
// Event listener for the custom sort button.
sort_btn.addEventListener("click", () => {
console.log("[Sort By Price] Button Clicked. Sorting Started.");
// Select the second '.list-inner' element which contains the wishlist items.
let listInner = document.querySelectorAll('.list-inner')[1];
if (!listInner) {
console.error("[Sort By Price] ERROR: .list-inner element not found.");
return;
}
// Retrieve all product rows from the wishlist.
let productRows = Array.from(listInner.querySelectorAll('.product-row-wrapper'));
console.log(`[Sort By Price] Found ${productRows.length} product rows.`);
// Arrays for storing products with valid prices and products that are TBA (or marked as "SOON").
let pricedItems = [];
let tbaItems = [];
// Process each product row.
productRows.forEach(row => {
// Extract the title from the product row.
const titleElement = row.querySelector('.product-row__title');
const title = titleElement ? titleElement.innerText.trim() : "Unknown Title";
// Extract the standard price and discounted price elements.
const priceElement = row.querySelector('._price.product-state__price');
const discountElement = row.querySelector('.price-text--discount span.ng-binding');
// Detect if the product is marked as "SOON" (or TBA).
const soonFlag = row.querySelector('.product-title__flag--soon');
// Determine the price text: if a discount price exists, use it; otherwise, use the standard price.
let priceText = discountElement ? discountElement.innerText : priceElement ? priceElement.innerText : null;
// Convert the price text to a numeric value by stripping out non-numeric characters.
let priceNumeric = priceText ? parseFloat(priceText.replace(/[^0-9.]/g, '').replace(/,/g, '')) : null;
// Check the text content to determine if the product is marked as "TBA" or "SOON".
const textContent = priceElement ? priceElement.textContent.toUpperCase() : "";
const isTBA = textContent.includes("TBA") || soonFlag || priceText === null;
// Special handling: if price is exactly 99.99 and a "SOON" flag is present, treat it as TBA.
if (isTBA || (priceNumeric && priceNumeric === 99.99 && soonFlag)) {
console.log(`[Sort By Price] Marked as TBA/SOON: ${title} (Original Text: '${textContent}')`);
tbaItems.push(row);
} else {
if (!priceNumeric) {
console.warn(`[Sort By Price] No valid price detected for: ${title}. Marking as TBA.`);
tbaItems.push(row);
} else {
console.log(`[Sort By Price] ${title} - Extracted Price: ${priceNumeric} (Original Text: '${textContent}')`);
pricedItems.push({ row, price: priceNumeric, title });
}
}
});
console.log("[Sort By Price] Sorting priced items...");
// Sort the priced items array based on the current order (ascending/descending).
pricedItems.sort((a, b) => ascendingOrder ? a.price - b.price : b.price - a.price);
console.log("[Sort By Price] Sorted Prices:", pricedItems.map(p => `${p.title}: $${p.price}`));
// Rearrange the wishlist: first the sorted priced items, then the TBA items in their original order.
pricedItems.forEach(item => listInner.appendChild(item.row));
tbaItems.forEach(item => listInner.appendChild(item));
// Toggle the sort order for next time and record that the last sort was done by price.
ascendingOrder = !ascendingOrder;
lastSortWasPrice = true;
console.log("[Sort By Price] Sorting Completed.");
});
// Append the sort button to the page after a delay to ensure that the target container has loaded.
if (/wishlist/.test(document.location.href)) {
setTimeout(() => {
let el;
// Depending on the page layout, choose the appropriate parent element.
if (/Wishlisted by/.test(document.querySelector(".header__main").innerHTML)) {
el = document.querySelector(".collection-header");
} else {
el = document.querySelectorAll(".header__main");
el = el[el.length - 1];
}
el.appendChild(sort_btn);
console.log("[Sort By Price] Sort button added to UI.");
}, 900);
}
// -----------------------
// Native Sort Refresh Logic
// -----------------------
/**
* handleNativeSortClick
* Handles clicks on native sort options (e.g., sort by title, date added, user reviews).
* If the last sort was performed with the custom price sort, this function triggers a two-stage refresh:
* 1. First, it sets a flag in sessionStorage and reloads the page with the wishlist hidden.
* 2. After reload, it clears the flag and shows the wishlist again, allowing the native sort to take effect.
*
* @param {string} option - The label of the native sort option selected.
*/
function handleNativeSortClick(option) {
console.log(`[Sort By Price] Switching to native sort: ${option}`);
// If already in the first stage of refresh, complete the process.
if (refreshStage === "1") {
console.log("[Sort By Price] Second refresh triggered to apply native sorting.");
sessionStorage.removeItem("gog_sort_fix_stage");
showWishlist();
return;
}
// Set the flag for the first refresh stage.
sessionStorage.setItem("gog_sort_fix_stage", "1");
console.log("[Sort By Price] First refresh (hiding wishlist before native sort).");
hideWishlist();
// Reload the page shortly after hiding the wishlist.
setTimeout(() => {
location.reload();
}, 50);
}
/**
* addNativeSortListeners
* Attaches event listeners to native sort dropdown items. These listeners trigger the native sort refresh
* logic when a native sort option is clicked after a custom price sort has been applied.
*/
function addNativeSortListeners() {
// Select all native sort dropdown items.
const nativeSortItems = document.querySelectorAll(".header__dropdown ._dropdown__item");
// If the dropdown items are not yet available, try again after a delay.
if (!nativeSortItems.length) {
setTimeout(addNativeSortListeners, 500);
return;
}
// Attach event listeners to each native sort option.
nativeSortItems.forEach(item => {
// Prevent attaching multiple listeners to the same element.
if (!item.dataset.priceSortListenerAdded) {
item.addEventListener("click", () => {
// Only trigger the refresh if the last sort was the custom price sort.
if (lastSortWasPrice) {
handleNativeSortClick(item.innerText);
lastSortWasPrice = false; // Reset after handling native sort
}
});
item.dataset.priceSortListenerAdded = "true"; // Mark this element as having a listener attached.
}
});
}
// Use a MutationObserver to monitor the DOM for the addition of the native sort dropdown.
// Once detected, attach event listeners to the native sort items.
const observer = new MutationObserver((mutations, obs) => {
if (document.querySelector(".header__dropdown ._dropdown__items")) {
addNativeSortListeners();
obs.disconnect(); // Stop observing once the dropdown is found and listeners are attached.
}
});
// Observe changes in the entire document body to catch dynamic insertion of the sort dropdown.
observer.observe(document.body, { childList: true, subtree: true });
})();