Greasy Fork

// ==UserScript==// @name:zh-CN      Steam折扣截止日期查询// @name            Steam_Discount_Query// @namespace       https://blog.chrxw.com// @supportURL      https://blog.chrxw.com/scripts.html// @contributionURL https://afdian.com/@chr233// @version         1.5// @description:zh-CN  查询折扣截止日期// @description     Query when the discounts expired// @author          Chr_// @match           https://store.steampowered.com/wishlist/*// @license         AGPL-3.0// @icon            https://blog.chrxw.com/favicon.ico// @grant           GM_addStyle// ==/UserScript==(async () => {"use strict";const g_cache = {};//初始化const t = setInterval(() => {for (let ele of document.querySelectorAll("div.Panel div[data-index]")) {addQueryButton(ele);}}, 1000);const matchAppId = /app\/(\d+)/;//添加按钮function addQueryButton(element) {const oldBtn = element.querySelector("button.sdq_listbtns");if (oldBtn) {return;}const href = element.querySelector("a")?.getAttribute("href");const match = href.match(matchAppId);if (!match) {return;}const appId = match[1];const btn = document.createElement("button");btn.addEventListener("click",(e) => {displaySaleEnds(appId, btn);e.preventDefault();},false);btn.className = "sdq_listbtns";btn.textContent = g_cache[appId] ?? "🔍";if (btn.textContent.search(":") !== -1) {btn.className += " sdq_listbtns_alert";}var inner = element.querySelector("div>div");inner.appendChild(btn);}//显示折扣结束时间async function displaySaleEnds(appId, ele) {ele.enabled = false;ele.className += " sdq_listbtns_show";ele.textContent = "🔍……";fetchSaleEnds(appId).then((endDate) => {ele.textContent = endDate;g_cache[appId] = endDate;if (endDate.search(":") !== -1) {ele.className += " sdq_listbtns_alert";}}).catch((err) => {let done = showAlert("网络错误", `<p>${err}</p>`, false);setTimeout(() => {done.Dismiss();}, 2000);dialog.Dismiss();}).finally(() => {ele.enabled = true;});}//读取折扣结束时间function fetchSaleEnds(appId) {const regSaleEnds = new RegExp(/<p class="game_purchase_discount_countdown">(.+)<\/p>/,"");const regDate = new RegExp(/\d+ 月 \d+ 日/, "");const regTimestamp = new RegExp(/InitDailyDealTimer\( \$DiscountCountdown, (\d+) \);/,"");return new Promise((resolve, reject) => {fetch(`https://store.steampowered.com/app/${appId}/?lang=schinese`, {method: "GET",credentials: "include",}).then(async (response) => {if (response.ok) {const html = await response.text();const saleEnds = html.match(regSaleEnds)?.pop();let endDate;if (saleEnds) {endDate = saleEnds.match(regDate)?.pop();if (!endDate) {const endsTimestamp = html.match(regTimestamp)?.pop();const timestamp = parseInt(endsTimestamp) * 1000;const date = new Date(timestamp);if (date.getDate() === date.getDate()) {endDate = `${date.getMonth() + 1} 月 ${date.getDate()} 日 ${date.getHours().toString().padStart(2, "0")}:${date.getMinutes().toString().padStart(2, "0")}`;} else {endDate = "解析失败";}}} else {endDate = "未打折";}console.info(endDate);resolve(endDate);} else {resolve("请求失败");}}).catch((err) => {reject(err);});});}//显示提示function showAlert(title, text, succ = true) {return ShowAlertDialog(`${succ ? "✅" : "❌"}${title}`, text);}})();GM_addStyle(`button.sdq_listbtns {position: absolute;z-index: 100;padding: 1px;right: 20px;top: 20px;}div.wishlist_row > button.sdq_listbtns {top: 35%;right: 33%;position: absolute;}button.sdq_listbtns_show,div.wishlist_row:hover button.sdq_listbtns {display: flex;}button.sdq_listbtns_alert {color: red;}`);