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获取并显示B站视频封面
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// ==UserScript==
// @name BilibiliCover - 获取并显示B站视频封面图片
// @version 3.9.0
// @description 获取并显示B站视频封面
// @author AnnAngela
// @namespace https://greasyfork.org/users/129402
// @mainpage https://greasyfork.org/zh-CN/scripts/33411-bilibilicover
// @supportURL https://greasyfork.org/zh-CN/scripts/33411-bilibilicover/feedback
// @license GNU General Public License v3.0 or later
// @compatible chrome 80
// @compatible firefox
// @compatible opera
// @compatible safari
// @match https://www.bilibili.com/watchlater/#/*
// @match https://www.bilibili.com/video/av*
// @match https://www.bilibili.com/video/bv*
// @match https://www.bilibili.com/video/BV*
// @match https://www.bilibili.com/bangumi/play/*
// @match https://www.bilibili.com/medialist/play/watchlater/*
// @match https://live.bilibili.com/*
// @run-at document-start
// @grant unsafeWindow
// @grant GM_xmlhttpRequest
// @noframes
// @icon https://public.annangela.cn/script/Bilibili.png
// @icon64 https://public.annangela.cn/script/Bilibili.png
// ==/UserScript==
"use strict";
/**
* @type {Window & typeof globalThis}
*/
const win = unsafeWindow;
const doc = win.document;
win.addEventListener("load", () => {
let response;
const helper = {
Uri: class Uri {
constructor(href = location.href) {
this._url = new URL(href);
this.query = Object.fromEntries(Array.from(this._url.searchParams.entries()));
this.protocol = this._url.protocol.replace(/:$/, "");
this.user = this._url.username;
this.password = this._url.password;
this.host = this._url.hostname;
this.port = this._url.port;
this.path = this._url.pathname;
this.fragment = this._url.hash.length > 0 ? `#${decodeURIComponent(this._url.hash).substring(1)}` : "";
}
_updateUrl() {
this._url.protocol = `${(this.protocol || "").replace(/:$/, "")}:`;
this._url.username = this.user;
this._url.password = this.password;
this._url.hostname = this.host;
this._url.port = this.port;
this._url.pathname = this.path;
this._url.hash = `#${this.fragment.replace(/^#/, "")}`.replace(/^#$/, "");
this._url.search = "";
Object.entries(this.query).forEach(([k, v]) => {
this._url.searchParams.set(k, v);
});
}
getUserInfo() {
this._updateUrl();
return this.user.length > 0 ? `${this.user}:${this.password}` : "";
}
getHostPort() {
this._updateUrl();
return this._url.host;
}
getAuthority() {
this._updateUrl();
const userInfo = this.getUserInfo();
const hostPort = this.getHostPort();
return userInfo.length > 0 ? `${userInfo}@${hostPort}` : hostPort;
}
getQueryString() {
this._updateUrl();
return this._url.search.substring(1);
}
getRelativePath() {
this._updateUrl();
return this.path + this._url.search + this.fragment;
}
toString() {
this._updateUrl();
return this._url.href;
}
},
hsts: function (link) {
try {
let url = link?.toString?.();
if (url.startsWith("//")) {
url = `https:${url}`;
}
else if (url.startsWith("http:")) {
url = url.replace(/^http:/, "https:");
}
return url;
} catch {
return link;
}
},
coverImage: function (url) {
/* 本函数来自 https://greasyfork.org/zh-CN/scripts/30714-获取哔哩哔哩视频的封面图片-get-bilibili-cover-image/code?version=202372 特此感谢*/
let coverImageBigUrl = url;
// 去除url中的裁剪标识
if (url.indexOf("@") > -1) {
//处理以@做裁剪标识的url
coverImageBigUrl = url.split("@")[0];
}
if (url.indexOf("jpg_") > -1) {
//处理以_做裁剪标识的url
coverImageBigUrl = `${url.split("jpg_")[0]}jpg`;
}
if (url.indexOf("png_") > -1) {
//处理以_做裁剪标识的url
coverImageBigUrl = `${url.split("png_")[0]}png`;
}
if (url.indexOf("/320_200/") > -1) {
//有时裁剪标识是在后缀名之前的 目前主要发现的是“番剧”板块的列表里有，但尚不清楚其他地方的情况
coverImageBigUrl = url.replace("/320_200", "");
}
return coverImageBigUrl;
},
/**
* @type {Window | undefined}
*/
window: undefined,
openWin: function (wind, src) {
if (this.window) {
this.setImg(src);
} else {
const doc = wind.document;
const w = wind.outerWidth || doc.docElement.clientWidth || doc.body.clientWidth,
h = wind.outerHeight || doc.docElement.clientHeight || doc.body.clientHeight;
this.window = window.open("about:blank", "bilibiliCover", `location=1,scrollbars=1,channelmode=1,width=${w * 0.8},height=${h * 0.8},left=${w * 0.1},top=${h * 0.1}`);
setTimeout(() => {
this.window.document.title = "BilibiliCover - 封面获取窗口";
this.window.document.body.innerHTML = `<div style="text-align: start;">视频封面地址：</div><textarea readonly="readonly" style="width: 100%; height: 1.1em; font-size: 24px; box-sizing: content-box; overflow: hidden; background-color: white; color: initial;"></textarea><hr><img src="${src}" style="max-width: 100%; height: auto; min-height: 300px;"><p id="realsize" style="text-align: center;"></p>`;
this.window.document.body.innerHTML += "<style> a { cursor: pointer; background-position: center right;background-repeat: no-repeat;background-image: -webkit-linear-gradient(transparent, transparent), url(data:image/svg+xml,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22UTF-8%22%3F%3E%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2210%22%20height%3D%2210%22%3E%3Cg%20transform%3D%22translate%28-826.429%20-698.791%29%22%3E%3Crect%20width%3D%225.982%22%20height%3D%225.982%22%20x%3D%22826.929%22%20y%3D%22702.309%22%20fill%3D%22%23fff%22%20stroke%3D%22%2306c%22%2F%3E%3Cg%3E%3Cpath%20d%3D%22M831.194%20698.791h5.234v5.391l-1.571%201.545-1.31-1.31-2.725%202.725-2.689-2.689%202.808-2.808-1.311-1.311z%22%20fill%3D%22%2306f%22%2F%3E%3Cpath%20d%3D%22M835.424%20699.795l.022%204.885-1.817-1.817-2.881%202.881-1.228-1.228%202.881-2.881-1.851-1.851z%22%20fill%3D%22%23fff%22%2F%3E%3C%2Fg%3E%3C%2Fg%3E%3C%2Fsvg%3E); background-image: linear-gradient(transparent, transparent), url(data:image/svg+xml,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22UTF-8%22%3F%3E%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2210%22%20height%3D%2210%22%3E%3Cg%20transform%3D%22translate%28-826.429%20-698.791%29%22%3E%3Crect%20width%3D%225.982%22%20height%3D%225.982%22%20x%3D%22826.929%22%20y%3D%22702.309%22%20fill%3D%22%23fff%22%20stroke%3D%22%2306c%22%2F%3E%3Cg%3E%3Cpath%20d%3D%22M831.194%20698.791h5.234v5.391l-1.571%201.545-1.31-1.31-2.725%202.725-2.689-2.689%202.808-2.808-1.311-1.311z%22%20fill%3D%22%2306f%22%2F%3E%3Cpath%20d%3D%22M835.424%20699.795l.022%204.885-1.817-1.817-2.881%202.881-1.228-1.228%202.881-2.881-1.851-1.851z%22%20fill%3D%22%23fff%22%2F%3E%3C%2Fg%3E%3C%2Fg%3E%3C%2Fsvg%3E); padding-right: 13px; } </style>";
this.window.document.body.innerHTML += '<p style="display: flex; flex-wrap: nowrap; justify-content: space-around;"><a target="_blank" id="baidu">Baidu识图搜索</a><a target="_blank" id="google">Google识图搜索</a></p>';
this.window.document.body.style.textAlign = "center";
this.setImg(src);
const t = this.window.document.querySelector("textarea");
t.addEventListener("mouseup", (e) => {
if (e.which !== 1) { return; }
const selection = this.window.getSelection();
if (selection.toString() !== "") { return; }
this.focus();
this.select();
});
const gLink = this.window.document.querySelector("#google");
gLink.addEventListener("mousedown", () => {
gLink.href = `https://www.google.com/searchbyimage?encoded_image=&image_content=&filename=&hl=zh-CN&image_url=${encodeURIComponent(t.value)}`;
}, {
capture: true,
});
const bLink = this.window.document.querySelector("#baidu");
bLink.addEventListener("click", (e) => {
const s = getComputedStyle(bLink);
if (s.fontWeight === "700") {
return;
}
if (s.cursor === "not-allowed") {
e.preventDefault();
e.stopImmediatePropagation();
e.stopPropagation();
return;
}
bLink.style.cursor = "not-allowed";
bLink.style.fontStyle = "italic";
bLink.innerText = "正在预搜索中，不要离开，请稍候……";
GM_xmlhttpRequest({
url: `https://graph.baidu.com/upload?tn=pc&from=pc&image_source=PC_UPLOAD_IMAGE_ICONURL&image=${encodeURIComponent(t.value)}`,
method: "POST",
headers: {
referer: "https://image.baidu.com/",
origin: "https://image.baidu.com",
},
onerror: (detail) => {
this.window.alert(`百度识图搜索失败：网络故障\n${detail}`);
bLink.innerText = "Baidu识图搜索";
},
onload: (res) => {
if (getComputedStyle(bLink).cursor !== "not-allowed") {
return;
}
let response;
try {
response = JSON.parse(res.responseText);
console.info("BilibiliCover", "BaiduNetworkResponse", res, JSON.parse(res.response));
} catch (e) {
response = false;
console.error("BilibiliCover", "BaiduNetworkResponse", res, e);
}
if (!response) {
this.window.alert(`百度识图搜索失败：返回数据无法识别\n${res.responseText}`);
bLink.innerText = "Baidu识图搜索";
return;
}
if (!response.data || !response.data.url) {
this.window.alert(`百度识图搜索失败：返回数据格式错误\n${res.responseText}`);
bLink.innerText = "Baidu识图搜索";
return;
}
bLink.href = response.data.url;
bLink.style.cursor = "pointer";
bLink.style.fontStyle = "normal";
bLink.style.fontWeight = "700";
bLink.innerText = "预搜索完成，请再次点击此处以使用Baidu识图搜索！";
},
});
}, {
capture: true,
});
this.window.addEventListener("beforeunload", () => {
this.window = undefined;
});
this.window.focus();
this.window.addEventListener("load", () => {
this.resize();
});
this.window.document.querySelector("img").addEventListener("load", () => {
this.resize();
});
this.window.addEventListener("resize", () => {
this.resize();
});
this.window.setInterval(() => {
this.resize();
}, 500);
this.resize();
}, 0);
}
},
resize: function () {
if (!this.window) { return; }
const collection = this.window.document.querySelectorAll("body > *:not(img):not(style)");
let totalHeight = 0;
Array.from(collection).forEach((t) => {
totalHeight += this.getRealHeight(t);
});
this.window.document.querySelector("body > img").style.maxHeight = `calc(100vh - ${totalHeight}px)`;
},
getRealHeight: function (ele) {
const style = (this.window || window).getComputedStyle(ele);
let realHeight = 0;
["marginTop", "paddingTop", "height", "paddingBottom", "marginBottom", "borderTopWith", "borderBottomWith"].forEach((p) => {
const v = style[p];
if (/^\d/.test(v)) { realHeight += parseFloat(v); }
});
return realHeight;
},
setImg: function (src) {
if (!this.window) { return; }
const img = this.window.document.querySelector("img");
this.window.document.querySelector("img").src = src;
this.window.document.querySelector("textarea").value = src;
const bLink = this.window.document.querySelector("#baidu");
bLink.style.cursor = "pointer";
bLink.style.fontStyle = "normal";
bLink.style.fontWeight = "400";
bLink.innerText = "Baidu识图搜索";
this.setNaturalSize(img, this.window.document.querySelector("#realsize"));
this.window.focus();
},
setNaturalSize: function (img, node) {
if (img.naturalWidth > 0 && img.naturalHeight > 0) { node.innerText = `(${img.naturalWidth}×${img.naturalHeight})`; }
else {
setTimeout(() => {
this.setNaturalSize(img, node);
}, 100);
}
},
closeWin: function () {
if (this.window) {
this.window.close();
}
},
};
const url = new helper.Uri();
const match = (str) => (str.match(/(?:\/video\/|\/watchlater\/(?:#\/)?)(av\d+|[bB][vV]1[fZodR9XQDSUm21yCkr6zBqiveYah8bt4xsWpHnJE7jL5VG3guMTKNPAwcF]{9})/) || [0, -1])[1];
if (win.location.host.includes("www.bilibili.com")) {
const wait = () => {
if (!doc.querySelector(".bilibili-player-video-btn-quality > .bilibili-player-video-quality-menu.bui-select-quality-menu, .bpx-player-ctrl-quality > .bpx-player-ctrl-quality-menu")) {
return true;
}
const v = doc.getElementsByTagName("video");
if (v.length === 0) {
return true;
}
const vb = doc.getElementsByTagName("video")[0].buffered;
if (!(vb instanceof TimeRanges)) {
return true;
}
try {
const vbe = vb.end(vb.length - 1);
if (typeof vbe !== "number" || vbe < 2) {
return true;
}
} catch {
return true;
}
return false;
};
const c = setInterval(() => {
if (wait()) {
return;
}
const plw = doc.querySelector("#arc_toolbar_report > .ops, #toolbar_module, .video-toolbar-module, .play-options-ul, #arc_toolbar_report > .toolbar-left");
if (!plw) {
return;
}
const coin = plw.querySelector(".coin, .coin-info span, .coin-box .num, :scope > li:nth-child(2) > span");
if (!/\d+/.test(coin?.innerText?.trim?.() ?? "--")) {
return;
}
clearInterval(c);
let IS_ORIGIN_VIDEO = true;
let IS_NEW_BANGUMI = false;
const IS_WATCHLATER = url.toString().includes("/watchlater/#/");
const IS_NEW_WATCHLATER = url.toString().includes("/watchlater/");
const svgFromNewPanel = coin.querySelector("svg");
let aid_bvid = match(url.toString());
if (aid_bvid === -1) {
if (!IS_WATCHLATER && !IS_NEW_WATCHLATER && (url.path.match(/\/bangumi\/play\/(?:ep|ss)(\d+)/) || [0, -1])[1] !== -1) {
IS_NEW_BANGUMI = true;
}
IS_ORIGIN_VIDEO = false;
}
const style = doc.querySelector("#bilibiliCoverStyle") || doc.createElement("style");
style.innerText = '.bilibiliCoverButtonInWatcherLater { background: rgba(0, 0, 0, 0) url("data:image/svg+xml,%3Csvg xmlns=\'http://www.w3.org/2000/svg\' width=\'22\' height=\'22\' style=\'\'%3E%3Crect id=\'backgroundrect\' width=\'100%25\' height=\'100%25\' x=\'0\' y=\'0\' fill=\'none\' stroke=\'none\'/%3E%3Cg class=\'currentLayer\' style=\'\'%3E%3Ctitle%3ELayer 1%3C/title%3E%3Cpath d=\'M17.982 9.275L8.06 3.27A2.013 2.013 0 005 4.994v12.011a2.017 2.017 0 003.06 1.725l9.922-6.005a2.017 2.017 0 000-3.45z\' id=\'svg_1\' class=\'selected\' fill=\'%23757575\' fill-opacity=\'1\'/%3E%3C/g%3E%3C/svg%3E") no-repeat scroll 50% 50% / 100% padding-box border-box };';
style.id = "bilibiliCoverStyle";
if (style.parentElement !== doc.body) { doc.body.appendChild(style); }
const img = doc.createElement("img");
img.addEventListener("error", (...args) => {
args.unshift("BilibiliCover");
args.unshift("NetworkError");
console.error(...args);
const s = new helper.Uri(img.src);
s.query.t = new Date().getTime();
img.src = s;
});
try {
const meta = doc.querySelector('meta[property="og:image"], meta[itemprop="image"], meta[itemprop="thumbnailUrl"]');
const metacontent = meta.getAttribute("content");
const metacontentUri = new helper.Uri(metacontent);
if (metacontentUri.host.endsWith("hdslb.com") && metacontentUri.path.startsWith("/bfs/")) {
img.src = helper.hsts(metacontent);
}
} catch { }
/**
*
* @param {string} ifIsOriginVideo
* @param {string} ifIsNewBangumi
* @param {string} ifIsWatchLater
* @param {string} ifIsNewWatchLater
* @returns {string}
*/
const detectType = (ifIsOriginVideo, ifIsNewBangumi, ifIsWatchLater, ifIsNewWatchLater) => {
switch (true) {
case IS_WATCHLATER: return ifIsWatchLater;
case IS_NEW_WATCHLATER: return ifIsNewWatchLater;
case IS_ORIGIN_VIDEO: return ifIsOriginVideo;
case IS_NEW_BANGUMI: return ifIsNewBangumi;
}
};
setInterval(() => {
if (doc.querySelector("#BilibiliCoverButton")) {
return;
}
if (wait()) {
return;
}
const button = doc.createElement(detectType("span", "div", "div", "span"));
button.id = "BilibiliCoverButton";
button.title = "获取封面";
button.innerHTML = detectType("<i class=\"van-icon-info_playnumber\"></i>获取封面", "<i class=\"iconfont icon-views\" style=\"display: inline-block; vertical-align: top; width: 28px; height: 28px; line-height: 28px; font-size: 28px; color: #757575; margin-right: 4px; text-align: center;\"></i><span style=\"display: inline-block; vertical-align: top; width: 62px; height: 28px; line-height: 28px; font-size: 14px; color: #505050;\">获取封面</span>", "<div class=\"btn-item\"><i class=\"icon-move s-icon-moved bilibiliCoverButtonInWatcherLater\" style=\"background-size: 50px;\"></i><span class=\"t\">获取封面</span><span class=\"num\">鼠标悬浮查看</span></div>", '<i class="bilibiliCoverButtonInWatcherLater" style="width: 28px; height: 28px; display: inline-block;"></i> <span>获取封面</span></li>');
if (IS_NEW_BANGUMI) {
button.setAttribute("style", "display: block; float: left; height: 36px; margin-left: 12px; cursor: pointer;");
}
if (IS_WATCHLATER) {
button.setAttribute("style", "position: relative; float: left;");
}
if (svgFromNewPanel) {
const svgFromNewPanelStyle = getComputedStyle(svgFromNewPanel);
const i = button.querySelector("i");
i.style.height = svgFromNewPanelStyle.height;
i.style.width = svgFromNewPanelStyle.width;
i.style.lineHeight = svgFromNewPanelStyle.height;
i.style.fontSize = svgFromNewPanelStyle.width;
}
if (IS_NEW_WATCHLATER) {
button.setAttribute(coin.getAttributeNames().filter((n) => n.startsWith("data-v-"))[0], "");
button.querySelectorAll("*").forEach((ele) => {
ele.setAttribute(coin.getAttributeNames().filter((n) => n.startsWith("data-v-"))[0], "");
});
}
let code = null;
button.addEventListener("click", () => {
const src = img.src;
if (src) {
helper.openWin(window, src, 1);
}
});
button.addEventListener("mouseover", () => {
if (code) {
code = null;
clearTimeout(code);
}
img.style.display = "block";
let X = 0,
Y = 0,
W = 0;
let p = button;
do {
X += p.offsetTop;
Y += p.offsetLeft;
p = p.offsetParent;
} while (p !== doc.body);
const style = win.getComputedStyle(button);
X += parseInt(style.marginTop) + parseInt(style.height) + parseInt(style.marginBottom) + 10;
Y += parseInt(style.marginLeft) + parseInt(style.width) + parseInt(style.marginRight) + 10;
W = win.innerWidth - Y - 150;
if (W > img.naturalWidth) { W = img.naturalWidth; }
img.style.top = `${X - W * img.naturalHeight / img.naturalWidth - 10}px`;
img.style.left = `${Y}px`;
img.style.width = `${W}px`;
img.style.opacity = "1";
});
button.addEventListener("mouseleave", () => {
if (code) {
code = null;
clearTimeout(code);
}
img.style.opacity = "0";
code = setTimeout(() => {
img.style.top = "-99999px";
code = null;
}, 130);
});
if (plw.querySelector(".more")) {
plw.insertBefore(button, plw.querySelector(".more"));
}
else {
plw.appendChild(button);
}
}, 500);
style.innerText += ".video-toolbar .ops .app { margin-right: 12px; }";
img.id = "cover_img";
doc.body.appendChild(img);
img.style.position = "absolute";
img.style.top = "-99999px";
img.style.left = "0";
img.style.zIndex = "99999";
img.style.border = "1px black solid";
img.style.opacity = "0";
img.style.transition = "opacity .13s linear";
img.style.display = "none";
let running = false;
const err = (...args) => {
args.unshift("BilibiliCover");
args.unshift("NetworkError:");
console.error(...args);
img.alt = args.map((e) => { return JSON.stringify(e); }).join("\n");
running = false;
};
setInterval(() => {
if (!running && IS_ORIGIN_VIDEO || IS_WATCHLATER) {
const aidDetected = match(new helper.Uri().toString());
if (aidDetected !== -1 && aidDetected !== aid_bvid || !img.src) {
aid_bvid = aidDetected;
running = true;
GM_xmlhttpRequest({
url: `https://api.bilibili.com/x/web-interface/search/type?search_type=video&keyword=${aid_bvid}`,
method: "GET",
onerror: err,
onload: (res) => {
try {
response = JSON.parse(res.responseText);
} catch (e) {
response = false;
}
console.info("BilibiliCover", "NetworkResponse:", res, ", parse result:", response);
if (!response) {
err("Unable to parse response");
return;
}
const data = response.data.result;
if (!Array.isArray(data)) {
err(`Backend returns incompatible data(${typeof data})`);
return;
}
let cover;
data.forEach((info) => {
if ((`av${info.aid}` === aid_bvid || info.bvid === aid_bvid) && info.pic) {
cover = helper.hsts(helper.coverImage(info.pic));
}
});
if (cover) {
img.src = helper.hsts(cover);
} else {
err("Unable to get the cover picture url");
}
running = false;
},
});
}
} else {
try {
img.src = helper.hsts(helper.coverImage(doc.querySelector("#bofqi .bilibili-player-watchlater-item[data-state-play=true] .bilibili-player-watchlater-cover-cell img, .bangumi-info-wrapper .info-cover img, #media_module > a > img, .player-auxiliary-playlist-item-active .player-auxiliary-playlist-item-img-self").src));
// clearInterval(loop_code);
img.removeAttribute("alt");
} catch (_) {
console.info("bilibiliCover:", "no img");
img.alt = "bilibiliCover: no img";
}
}
}, 100);
}, 500);
} else if (win.location.host.includes("live.bilibili.com")) {
const link = win.document.createElement("div");
const error = (...args) => {
const detail = args[0];
link.innerHTML = `<span style="color: red">封面获取失败=。=（${detail}）</span>`;
args.unshift("BilibiliCover");
args.unshift("NetworkError");
console.error(...args);
};
(function loop() {
const roomid = win.location.pathname.match(/^\/(?:blanc\/)?(\d+)/)[1];
// const userName = (((unsafeWindow.document.querySelector(".room-owner-username") || {}).href || "").match(/\d+/) || [])[0];
if (roomid) {
const container = win.document.querySelector(".seeds-wrap");
if (!container) { return setTimeout(loop, 100); }
GM_xmlhttpRequest({
url: `https://api.live.bilibili.com/xlive/web-room/v1/index/getInfoByRoom?room_id=${roomid}`,
method: "GET",
onerror: error,
onload: (res) => {
link.style.display = "inline-block";
link.style.marginLeft = link.style.marginRight = "1em";
link.style.verticalAlign = "bottom";
link.innerHTML = '<a href="javascript:void(0);" style="color: #23ade5;">查看封面</a>';
container.insertBefore(link, container.firstChild);
console.info("BilibiliCover", "NetworkResponse", res, JSON.parse(res.response));
try {
response = JSON.parse(res.responseText);
} catch (e) {
response = false;
}
if (!response) { error("无法解析后端返回数据", res); }
const cover = response.data?.room_info?.cover;
if (!cover) {
error("解析出现错误", response);
} else {
link.querySelector("a").addEventListener("click", () => {
helper.openWin(win, cover);
});
}
},
});
}
})();
}
window.addEventListener("beforeunload", () => {
helper.closeWin();
});
});