BestChange.ru - выделить избранные обменники

bestchange.user.js

// ==UserScript==
// @name         BestChange
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  Highlights favorite exchanges
// @homepage     https://gist.github.com/1v/fa3d41bf43c63d960e2b48dd8312e340
// @match        https://www.bestchange.ru/*
// @match        https://www.bestchange.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=bestchange.ru
// @require      https://code.jquery.com/jquery-3.7.1.min.js
// @grant        none
// ==/UserScript==

const favoriteExchanges = [
  "AlfaBit",
  "NetEx24",
  "Finex24",
  "Шахта",
  "CoinDrop",
  "WorldChange"
]

const blacklistedExchanges = [
  "BitExchanger", // stand with ukraine
  "WestChange", // country: ukraine
  "CoinFusion", // country: ukraine
  "24BestEx", // country: ukraine
  "Ukr-Obmen", // country: ukraine
  "Transfer24", // country: ukraine
  "CryptoBox", // country: ukraine
  "TraiderIdeal", // country: ukraine
  "VV-Obmen", // country: ukraine
  "UAchanger", // country: ukraine
  "BitcoinObmennik", // country: ukraine
  "CryptoChicken", // country: ukraine
  "WmMoney", // country: ukraine
  "First-BTC", // country: ukraine
  "Crybex", // country: ukraine
  "BTCSale", // slow exchange, slow support
]

function highlight() {
  function filterExchange(exchangeName) {
    return function() {
      return $(this).text().toLowerCase().includes(exchangeName.toLowerCase())
    }
  }
  favoriteExchanges.map(exchangeName => {
    $("#rates_block td").filter(filterExchange(exchangeName)).css("font-weight", "bold")
  })
  blacklistedExchanges.map(exchangeName => {
    $("#rates_block td").filter(filterExchange(exchangeName))
      .css("text-decoration", "line-through").css("text-decoration-thickness", "30%")
  })
}

highlight()

function mutationCallback(mutationList) {
  mutationList.forEach( (mutation) => {
    if (mutation.target.id !== "rates_block") return
    highlight()
  })
}

const targetNode = document.querySelector("#content_rates")
const observerOptions = {
  childList: true,
  subtree: true
}

const observer = new MutationObserver(mutationCallback)
observer.observe(targetNode, observerOptions)