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kiv-lib

Helper functions

2023-10-17 기준 버전입니다. 최신 버전을 확인하세요.

이 스크립트는 직접 설치하는 용도가 아닙니다. 다른 스크립트에서 메타 지시문 // @require https://update.greatest.deepsurf.us/scripts/477604/1266050/kiv-lib.js을(를) 사용하여 포함하는 라이브러리입니다. 

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, cache_key) => {

    if (cache_key) {
        const cachedData = localStorage.getItem(cache_key);
        const cachedTimestamp = parseInt(localStorage.getItem(cache_key + "_timestamp"));
        if (cachedData && cachedTimestamp && (Date.now() - cachedTimestamp) < 60 * 60 * 1000) {
            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 (cache_key) {
                        localStorage.setItem(cache_key, JSON.stringify(body));
                        localStorage.setItem(cache_key + "_timestamp", Date.now());
                    }
                    return body;
                } else {
                    throw { message: body.error.error, code: body.error.code };
                }
            });
        });
};