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Geoguessr Custom Emotes

Allows you to use many custom emotes in the Geoguessr chat

当前为 2022-10-20 提交的版本，查看 最新版本。

// ==UserScript==
// @name         Geoguessr Custom Emotes
// @description  Allows you to use many custom emotes in the Geoguessr chat
// @version      2.0.2
// @author       victheturtle#5159
// @license      MIT
// @match        https://www.geoguessr.com/*
// @icon         https://www.geoguessr.com/_next/static/images/emote-gg-cf17a1f5d51d0ed53f01c65e941beb6d.png
// @namespace    https://greasyfork.org/users/967692-victheturtle
// ==/UserScript==

let geoguessrCustomEmotes = {};

const customEmotesInjectedClass = "custom-emotes-injected";
const getAllNewMessages = () => document.querySelectorAll(`div[class*="chat-message_messageContent__"]:not([class*="${customEmotesInjectedClass}"])`);

const _cndic = {};
const hrefset = new Set();
async function scanStyles() {
    for (let node of document.querySelectorAll('head link[rel="preload"], head style[data-n-href*=".css"]')) {
        const href = node.href || location.origin+node.dataset.nHref;
        if (hrefset.has(href)) continue;
        hrefset.add(href);
        await fetch(href)
        .then(res => res.text())
        .then(stylesheet => {
            for (let className of stylesheet.split(".")) {
                const ind = className.indexOf("__");
                if (ind != -1) _cndic[className.substr(0, ind+2)] = className.substr(0, ind+7);
            };
        });
    };
}
const cn = (classNameStart) => _cndic[classNameStart]; // cn("status_section__") -> "status_section__8uP8o"

const emoteInjectionTemplate = (emoteSrc) => `</span>
<span class="${cn("chat-message_emoteWrapper__")}"><img src="${emoteSrc}" class="${cn("chat-message_messageEmote__")}"></span>
<span class="${cn("chat-message_messageText__")}">`;

let observer = new MutationObserver((mutations) => {
    let newMessages = getAllNewMessages();
    if (newMessages.length == 0) return;
    scanStyles().then(() => {
    for (let message of newMessages) {
        let words = message.innerHTML.split(/((?:<|>|&lt;|&gt;|,| |\.)+)/g);
        for (let i=0; i<words.length; i+=2) {
            if (words[i] == "") continue;
            let lowercaseWord = words[i].toLowerCase();
            for (let emoteName in geoguessrCustomEmotes) {
                if (lowercaseWord == emoteName.toLowerCase()) {
                    words[i] = emoteInjectionTemplate(geoguessrCustomEmotes[emoteName]);
                    break;
                }
            }
        }
        message.innerHTML = words.join("");
        message.classList.add(customEmotesInjectedClass);
    }})
});

async function fetchEmotesRepository() {
    const lastTimeFetched = localStorage.getItem("CustomEmotesLastFetched")*1
    if (Date.now() - lastTimeFetched < 60*1000) { // Github API has a limit rate of 60 requests per hour so prevent more than 1 request per minute
        return localStorage.getItem("CustomEmotesStored")
    } else {
        const emotesRepositoryContent = await fetch("https://api.github.com/gists/7e5046589b0f020c1ec80629c582cca6")
        .then(it => it.json())
        .then(it => it.files["GeoguessrCustomEmotesRepository.json"].content);
        localStorage.setItem("CustomEmotesStored", emotesRepositoryContent);
        localStorage.setItem("CustomEmotesLastFetched", Date.now());
        return emotesRepositoryContent;
    }
}

(() => {
    fetchEmotesRepository().then(emotesRepositoryContent => {
        geoguessrCustomEmotes = JSON.parse(emotesRepositoryContent);
        observer.observe(document.body, { subtree: true, childList: true });
    }).catch(err => console.log(`Geoguessr Custom Emotes error at fetchEmotesRepository(): ${err}`));
})();