StreamElements-Redemptions-Fixer.user.js

// ==UserScript==
// @name        StreamElements Redemptions Fixer
// @description Remove limit from StreamElements redemptions requests
// @author      Lone Destroyer
// @license     MIT
// @match       https://streamelements.com/dashboard/account/redemptions*
// @icon        https://streamelements.com/favicon.ico
// @version     1.0
// @namespace   https://github.com/LoneDestroyer
// @downloadURL https://raw.githubusercontent.com/LoneDestroyer/StreamElements-Redemptions-Fixer/main/StreamElements-Redemptions-Fixer.user.js
// @updateURL   https://raw.githubusercontent.com/LoneDestroyer/StreamElements-Redemptions-Fixer/main/StreamElements-Redemptions-Fixer.user.js
// @run-at      document-start
// ==/UserScript==

(function() {
    'use strict';

    const originalFetch = unsafeWindow.fetch;
    const originalXhrOpen = XMLHttpRequest.prototype.open;

    function rewriteRedemptionsUrl(rawUrl) {
        try {
            const url = new URL(rawUrl, window.location.origin);
            const isRedemptions = url.hostname === 'api.streamelements.com' && url.pathname.includes('/redemptions/me');
            if (!isRedemptions) return rawUrl;
            url.searchParams.delete('limit');
            return url.toString();
        } catch (_) {
            return rawUrl;
        }
    }

    unsafeWindow.fetch = function(...args) {
        const req = args[0];
        const url = typeof req === 'string' ? req : (req && req.url) || '';
        const rewrittenUrl = rewriteRedemptionsUrl(url);

        let fetchArgs = args;
        if (rewrittenUrl !== url) {
            if (typeof req === 'string') {
                fetchArgs = [rewrittenUrl, args[1]];
            } else if (req instanceof Request) {
                fetchArgs = [new Request(rewrittenUrl, req), args[1]];
            }
        }

        return originalFetch.apply(this, fetchArgs);
    };

    XMLHttpRequest.prototype.open = function(method, url, ...rest) {
        const rewrittenUrl = rewriteRedemptionsUrl(url);
        return originalXhrOpen.apply(this, [method, rewrittenUrl, ...rest]);
    };
})();