SOURCE

端口 = '19730';



function Ranking() {
    return {
        "userRank": "",
        "userName": "",
        "contribution": ""
    };
};

function Chat() {
    return {
        "userName": "",
        "content": "",
        "giftName": "",
        "quantity": ""
    };
};
var id = null;
var rankingCache = [
    { "userName": "", "contribution": "" },
    { "userName": "", "contribution": "" },
    { "userName": "", "contribution": "" },
    { "userName": "", "contribution": "" },
    { "userName": "", "contribution": "" },
];

var ikTok = {

    Call: function () {
        ikTok.GetChatList();
    },

    GetChatList: function () {
        var div = document.querySelector('.webcast-chatroom___items');
        if (!div) return;


        for (var i in div) {
            if (/__reactProps\$/g.test(i)) {
                var __reactProps = i;
                break;
            }
        };
        if (!__reactProps) return;

        var children = div.firstChild.children
            , _length = children.length - 1;

        for (var i = _length, f = false; children.length > 0 && children.length > i; i) {
            if (!f) {
                children[i].dataset.id == id || !i ? (f = true, i++) : i--;
            } else {

                var {
                    "content": content,
                    "comboCount": comboCount,
                    "gift": gift,
                    "user": user
                } = children[i][__reactProps].children.props.message.payload;

                var userName = !user ? "" : user.nickname
                    , giftName = !gift ? "" : gift.name
                    , quantity = !comboCount ? "" : String(comboCount.low);
                content = content || "";

                client.send(JSON.stringify({
                    "chat": {
                        "userName": userName,
                        "content": content,
                        "giftName": giftName,
                        "quantity": quantity
                    }
                }));

                i++;
            }
        }

        id = children[_length].dataset.id;

    }
};

var bilibili = {
    url: "",
    GetRankingList: function () {

        var httpRequest = new XMLHttpRequest();

        httpRequest.open('GET', bilibili.url, true);
        httpRequest.send(null);
        httpRequest.onreadystatechange = function () {
            if (httpRequest.readyState == 4 && httpRequest.status == 200) {

                var json = JSON.parse(httpRequest.responseText).data.OnlineRankItem;

                if (!json) return;
                for (var i = 0; i < 5 && i < json.length; i++) {
                    var ranking = Ranking();

                    ranking.userRank = json[i].userRank;
                    ranking.userName = json[i].name;
                    ranking.contribution = String(json[i].score);

                    if (rankingCache[i]["userName"] != ranking.userName || rankingCache[i]["contribution"] != ranking.contribution) {

                        rankingCache[i]["userName"] = ranking.userName;
                        rankingCache[i]["contribution"] = ranking.contribution;

                        client.send(JSON.stringify({ "ranking": ranking }));

                    }
                }


            }
        }
    },

    GetChatList: function () {

        var div = document.querySelector('.chat-items');
        if (!div) return;

        var children = div.children
            , _length = children.length - 1;
        for (var i = _length, f = false; children.length > 0 && children.length > i; i) {
            if (!f) {
                !!children[i].id || !i ? (f = true, i++) : i--;
            } else {
                var chat = Chat();
                if (children[i].classList[1] == "danmaku-item") {

                    chat.userName = children[i].dataset.uname;
                    chat.content = children[i].dataset.danmaku;

                } else if (children[i].classList[1] == "gift-item") {

                    chat.quantity = (children[i].querySelector('.gift-count') || children[i].querySelector('.gift-total-count')).innerText.replace(/[^\d]/g, "") || "1";
                    chat.giftName = children[i].querySelector('.gift-name').innerText;
                    chat.userName = children[i].querySelector('.username').innerText;

                }

                if (!!chat.userName) client.send(JSON.stringify({ "chat": chat }));

                i++;
            }
        }
        div.lastElementChild.id = '5555555555';
    }

};


var kwai = {

    Call: function () {
        kwai.GetChatList();
        kwai.GetRankingList();
    },

    GetRankingList: function () {
        var div = document.querySelector('.liveroom-sidebar.dark');
        if (!div) return;

        var computedWatchingList = div.childNodes[2].__vue__.computedWatchingList;
        for (var i = 0; i < 5 && i < computedWatchingList.length; i++) {

            var { "name": userName, "displayKsCoin": contribution } = computedWatchingList[i];
            contribution = String(contribution || "");

            if (rankingCache[i]["userName"] != userName || rankingCache[i]["contribution"] != contribution) {

                rankingCache[i]["userName"] = userName;
                rankingCache[i]["contribution"] = contribution;

                var userRank = String(i + 1);

                client.send(JSON.stringify({
                    "ranking": {
                        "userRank": userRank,
                        "userName": userName,
                        "contribution": String(contribution)
                    }
                }));

            }
        }

    },

    GetChatList: function () {

        var div = document.querySelector(".chat-container.chat-history-container");
        if (!div) return;

        var children = div.__vue__.$children
            , _length = children.length - 1;

        for (var i = _length, f = false; children.length > 0 && children.length > i; i) {
            if (!f) {
                children[i].item.__ob__.dep.id == id || !i ? (f = true, i++) : i--;
            } else {

                var {
                    "user": {
                        "userName": userName
                    },
                    "content": content,
                    "giftId": giftId,
                    "batchSize": quantity
                } = children[i].item;
                userName = userName || "";
                quantity = quantity || "";
                content = !content ? !giftId ? "点亮了" : "" : content;
                var giftName = !giftId ? "" : children[i].allGift[giftId].giftName;

                client.send(JSON.stringify({
                    "chat": {
                        "userName": userName,
                        "content": content,
                        "giftName": giftName,
                        "quantity": String(quantity)
                    }
                }));

                i++;
            }
        }

        id = children[_length].item.__ob__.dep.id;

    },

};



var timer_0 = null
    , timer_1 = null
    , client = new WebSocket('ws://localhost:' + 端口);
client.onopen = function (e) {
    console.log('链接成功');
    switch (document.body.baseURI.match(/https:\/\/.+?\//g)[0]) {

        case 'https://live.douyin.com/':
            console.log("平台:抖音");
            timer_0 = self.setInterval('ikTok.Call()', 1000);
            break;

        case 'https://live.bilibili.com/':

            console.log("平台:B站");

            var urid = !__NEPTUNE_IS_MY_WAIFU__ ? __initialState["pc-follow-new"][0].uid : __NEPTUNE_IS_MY_WAIFU__.roomInitRes.data.uid
                , roomId = !__NEPTUNE_IS_MY_WAIFU__ ? __initialState["live-non-revenue-player"][0].defaultRoomId : __NEPTUNE_IS_MY_WAIFU__.roomInitRes.data.room_id;

            bilibili.url = 'https://api.live.bilibili.com/xlive/general-interface/v1/rank/getOnlineGoldRank?ruid=' + urid + '&roomId=' + roomId + '&page=1&pageSize=50';

            timer_0 = self.setInterval('bilibili.GetChatList()', 1000);
            timer_1 = self.setInterval('bilibili.GetRankingList()', 5000);
            break;

        case 'https://live.kuaishou.com/':
            console.log("平台:快手");
            timer_0 = self.setInterval('kwai.Call()', 1000);
            break;

        default:

            client.close();
    }

};

client.onclose = function (e) {
    console.log('链接断开');
    timer_0 = self.clearInterval(timer_0);
    timer_1 = self.clearInterval(timer_1);
};

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    <body>
        
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</html>