☰

kiv-lib

Helper functions

Tính đến 29-11-2023. Xem phiên bản mới nhất.

Script này sẽ không được không được cài đặt trực tiếp. Nó là một thư viện cho các script khác để bao gồm các chỉ thị meta // @require https://update.greatest.deepsurf.us/scripts/477604/1287854/kiv-lib.js 

const waitFor = (target, selector) => {
    return new Promise(resolve => {
        if (target.querySelector(selector)) {
            return resolve(target.querySelector(selector));
        }
        const observer = new MutationObserver(mutations => {
            if (target.querySelector(selector)) {
                resolve(target.querySelector(selector));
                observer.disconnect();
            }
        });
        observer.observe(document.body, {
            childList: true,
            subtree: true
        });
    });
};

const gmGet = async (url, cacheKey, cacheDuration) => {

    if (cacheKey) {
        cacheDuration = (cacheDuration == undefined) ? 604800 * 1000 : cacheDuration;
        const cachedData = localStorage.getItem(cacheKey);
        const cachedTimestamp = parseInt(localStorage.getItem(cacheKey + "_timestamp"));
        const cachedSince = (Date.now() - cachedTimestamp)
        if (cachedData && cachedTimestamp && cachedSince < cacheDuration) {
            console.log(`[gmGet] get cached key ${cacheKey} (${cachedSince / 1000}s < ${cacheDuration / 1000}s)`)
            return JSON.parse(cachedData);
        }
    }

    return new Promise((resolve, reject) => {
        GM.xmlHttpRequest({
            url,
            method: "GET",
            onload: (response) => {
                resolve(new Response(response.response, { statusText: response.statusText, status: response.status }));
            },
            onerror: (error) => {
                reject(error);
            }
        });
    })
        .catch((error) => {
            throw { message: "critical error", code: error.status };
        })
        .then((response) => {
            const result = response.json();
            return result.then((body) => {
                if (typeof body.error == 'undefined') {
                    if (cacheKey) {
                        localStorage.setItem(cacheKey, JSON.stringify(body));
                        localStorage.setItem(cacheKey + "_timestamp", Date.now());
                    }
                    return body;
                } else {
                    throw { message: body.error.error, code: body.error.code };
                }
            });
        });
};

function floatFormat(num, digits) {
    const lookup = [
        { value: 1, symbol: "" },
        { value: 1e3, symbol: "k" },
        { value: 1e6, symbol: "m" },
        { value: 1e9, symbol: "b" },
        { value: 1e12, symbol: "t" },
        { value: 1e15, symbol: "q" }
    ];
    const rx = /\.0+$|(\.[0-9]*[1-9])0+$/;
    var item = lookup.slice().reverse().find(function (item) {
        return num >= item.value;
    });
    return item ? (num / item.value).toPrecision(digits).replace(rx, "$1") + item.symbol : "0";
}

const playerIdFromChat = () => {
    const wsData = document.getElementById("websocketConnectionData");
    const chat = JSON.parse(wsData.innerHTML);
    return {"id": chat.userID, "name": chat.playername};
}

const clearLocalStorage = (prefix) => {
    for (var key in localStorage) {
        if (localStorage.hasOwnProperty(key) && key.startsWith(prefix)) {
            localStorage.removeItem(key);
        }
    }
}

const getPlayerId = (element, type) => {
    player_id = null

    if(type == "honor") {
        // honor bar without user name
        const url = new URLSearchParams(
            element.querySelector("div.member.icons")
            .querySelector("div[class^=honorWrap]")
            .querySelector("a[class^=linkWrap]").href.split("?")[1]
            );
            player_id = url.get("XID");
        } else if (type == "username") {
        // classical honor with user.name
        const url = new URLSearchParams(
            element.querySelector("a.user.name").href.split("?")[1]
        );
        player_id = url.get("XID");
    }

    // desperate fallback
    if(player_id == null) {
        element.querySelectorAll("a").forEach(a => {
            const url = new URLSearchParams(a.href.split("?")[1])
            if (url.has("XID")) {
                player_id = url.get("XID");
                console.warn(`[getPlayerId] Desperate fall back to get player id: ${player_id}`);
                return;
            }
        })
    }

    return player_id;
}