addallgametowishlist.js

(async function() {
    function fetchJSONP(url, callbackName) {
        return new Promise((resolve, reject) => {
            const script = document.createElement('script');
            const callback = `jsonpCallback_${Date.now()}`;
            window[callback] = (data) => {
                resolve(data);
                delete window[callback];
                script.remove();
            };
            script.src = `${url}?jsonp=${callback}`;
            script.onerror = () => reject(new Error(`Failed to load JSONP: ${url}`));
            document.body.appendChild(script);
        });
    }

    async function fetchData() {
        try {
            const appListData = await fetchJSONP('//api.steampowered.com/ISteamApps/GetAppList/v2');
            const userData = await fetch('//store.steampowered.com/dynamicstore/userdata/').then(res => res.json());

            const allAppIds = new Set(
                appListData.applist.apps.map(({ appid }) => Number(appid)).filter(appid => !isNaN(appid))
            );
            const wishlisted = new Set(userData.rgWishlist || []);
            const ownedApps = new Set(userData.rgOwnedApps || []);
            const ownedPackages = new Set(userData.rgOwnedPackages || []);

            const filteredApps = [...allAppIds].filter(
                appid => !wishlisted.has(appid) && !ownedApps.has(appid) && !ownedPackages.has(appid)
            );
            const uniqueApps = [...new Set(filteredApps)];

            if (!uniqueApps.length) return console.info("No new games to wishlist.");

            const totalTimeMs = uniqueApps.length * 150;
            const hrs = Math.floor(totalTimeMs / 3600000);
            const mins = Math.floor((totalTimeMs % 3600000) / 60000);
            const secs = Math.floor((totalTimeMs % 60000) / 1000);
            const ms = totalTimeMs % 1000;
            console.log(`Starting wishlist process... ${uniqueApps.length} apps to add. Estimated time: ${hrs}h ${mins}m ${secs}s ${ms}ms`);
            
            for (let i = 0; i < uniqueApps.length; i++) {
                await addToWishlist(uniqueApps[i]);
            }
            console.info("Wishlist process completed.");
        } catch (error) {
            console.error("Error fetching data:", error);
        }
    }

    async function addToWishlist(appid) {
        return new Promise(resolve => {
            setTimeout(() => {
                const xhr = new XMLHttpRequest();
                xhr.open('POST', '//store.steampowered.com/api/addtowishlist');
                xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
                xhr.onload = resolve;
                xhr.onerror = resolve;
                xhr.send(`appid=${appid}&sessionid=${g_sessionID}`);
            }, 150);
        });
    }

    fetchData();
})();