高能榜显示总人数

Greasy Fork is available in English.
高能榜显示总人数

听说有人想要把高能榜当同接参考？
当前为 2022-06-29 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         高能榜显示总人数
// @namespace    http://tampermonkey.net/
// @version      0.3
// @description  听说有人想要把高能榜当同接参考？
// @author       Eric Lam
// @license      MIT
// @include      /https?:\/\/live\.bilibili\.com\/(blanc\/)?\d+\??.*/
// @require      https://cdn.jsdelivr.net/npm/[email protected]/dist/jquery.min.js
// @grant        none
// @icon         https://www.google.com/s2/favicons?domain=bilibili.com
// ==/UserScript==

(async function() {
    'use strict';
    // ====== 设定 ==========
    const seconds = 5 // 隔 X 秒侦测

    // =====================

    const roomReg = /^\/(blanc\/)?(?<id>\d+)/
    let roomId = parseInt(roomReg.exec(location.pathname)?.groups?.id)

    const res = await fetcher('https://api.live.bilibili.com/room/v1/Room/room_init?id='+roomId)

    if (res.data.live_status != 1){
       console.warn(`不在直播，已略过`)
       return
    }

    roomId = res.data.room_id
    const uid = res.data.uid

    let rankGold = undefined

    while ($('.tab-list.dp-flex').children().length == 0){
      console.warn(`找不到Tab元素，等待3秒。`)
      await new Promise((res,) => setTimeout(res, 3000)) // wait 3 seconds
    }

    const keywords = ['高能榜', '高能用户']
    let keyword;
    for (const element of $('.tab-list.dp-flex').children()){
        console.log(element.innerText)
        const kw = keywords.find(s => element.innerText.startsWith(s))
        console.log(kw)
        if (kw) {
           rankGold = element
           keyword = kw
        }
    }

    if (!rankGold || !keyword) {
       console.warn(`找不到高能榜元素。`)
       return
    }

    setInterval(async () => {
        try {
          const data = await fetcher(`https://api.live.bilibili.com/xlive/general-interface/v1/rank/getOnlineGoldRank?ruid=${uid}&roomId=${roomId}&page=1&pageSize=1`)
          const online = data.data.onlineNum
          rankGold.innerText = `${keyword}(${online})`
        }catch(err){
           console.warn(`刷新高能榜时出现错误: ${err}`)
           console.warn(err)
        }
    }, seconds * 1000)
})().catch(console.warn);



async function fetcher(url) {
    const res = await fetch(url)
    if (!res.ok){
        throw new Error(res.statusText)
    }

    const data = await res.json()
    console.debug(data)
    if (data.code != 0){
        throw new Error(`B站API请求错误: ${data.message}`)
    }
    return data
}