Function updateRules

Pagetual/pagetual.user.js:10535–10660

(success, fail, keepCache, forceWedataMirrorFallback)

    }

    function updateRules (success, fail, keepCache, forceWedataMirrorFallback) {
        if (!storage.supportCrossSave()) {
            fail({url:''}, "Not support cross storage");
            showTips("Current platform do not support cross storage!");
            return;
        }
        if (inUpdate) return;
        inUpdate = true;
        let ruleIndex = ruleUrls.length - 1;
        if (!keepCache) {
            storage.setItem("hpRules", []);
            storage.setItem("smartRules", []);
        }
        let allOk = true;
        let preLength = ruleParser.rules.length;
        let fetchVersion = -1;
        let triedWedataMirrorFallback = false;
        function switchToWedataMirrorOnFail(rule) {
            if (!rule || rule.id !== 1 || rulesData.wedata2github || (updateDate && !forceWedataMirrorFallback)) {
                return false;
            }
            rulesData.wedata2github = true;
            storage.setItem("rulesData", rulesData);
            if (wedata2githubInputRef) {
                wedata2githubInputRef.checked = true;
            }
            if (ruleUrls && ruleUrls.length > 0) {
                for (let i = 0; i < ruleUrls.length; i++) {
                    if (ruleUrls[i].id === 1) {
                        ruleUrls[i].url = wedataMirrorRulesUrl;
                        break;
                    }
                }
            }
            rule.url = wedataMirrorRulesUrl;
            return true;
        }
        async function needUpdate(url, id) {
            if (!/^https:\/\/hoothin\.github\.io\/|\/hoothin\/UserScripts\/.*\/Pagetual\/pagetualRules\.json/i.test(url)) {
                return true;
            }
            let rulesLength = ruleParser.rules.reduce((acc, cur) => acc + (cur.from == id ? 1 : 0), 0);
            if (rulesLength === 0) return true;
            if (fetchVersion >= 0) {
                return fetchVersion > (rulesData.ruleVersion || 0);
            }
            fetchVersion = await new Promise(resolve => {
                _GM_xmlhttpRequest({
                    url: url.replace(/\/\w+\.json/i, "/version"),
                    method: 'GET',
                    timeout: 20000,
                    headers: {
                        'accept': 'application/json,text/html'
                    },
                    onload: function(res) {
                        let version = parseInt(res.response || res.responseText);
                        resolve(version || -1);
                    },