Function initRules

Pagetual/pagetual.user.js:10751–11054

(callback)

    let pageReady = false;
    async function initRules(callback) {
        charset = (document.characterSet || document.charset || document.inputEncoding);
        let equiv = document.querySelector('[http-equiv="Content-Type"]');
        if (equiv && equiv.content) {
            let innerCharSet = equiv.content.match(/charset\=([^;]+)/);
            if (!innerCharSet) {
                charsetValid = false;
            } else if (innerCharSet[1].replace("-", "").toLowerCase() != charset.replace("-", "").toLowerCase()) {
                charsetValid = false;
            }
        } else charsetValid = false;
        storage.getItem("rulesData", data => {
            /*0 wedata格式，1 pagetual格式*/
            ruleUrls = [{
                id: 1,
                url: data && data.wedata2github ? wedataMirrorRulesUrl : wedataRulesUrl,
                type: 0
            }];
            if (data) {
                rulesData = data;
                if (data.urls) ruleUrls = ruleUrls.concat(data.urls);
                if (data.sort) {
                    let urls = [];
                    data.sort.forEach(id => {
                        for (let s = 0; s < ruleUrls.length; s++) {
                            if (id == ruleUrls[s].id) {
                                urls.push(ruleUrls[s]);
                                break;
                            }
                        }
                    });
                    ruleUrls = urls;
                }
            }
            if (rulesData.lang) {
                setLang(rulesData.lang);
                if (langName === 'zh-CN') {
                    configPage.unshift(cnConfigPage);
                }
            }
            if (rulesData.firstRun && storage.supportCrossSave()) {
                rulesData.firstRun = false;
                storage.setItem("rulesData", rulesData);
                setTimeout(() => {
                    storage.getItem("rulesData", data => {
                        if (data.firstRun === false) {
                            _GM_openInTab(firstRunPage, {active: true});
                        }
                    });
                }, 100);
            }
            _GM_registerMenuCommand(i18n("configure"), () => {
                if (window.top == window.self) {
                    _GM_openInTab(rulesData.configPage || configPage[0], {active: true});
                }
            });
            if (rulesData.blacklist && rulesData.blacklist.length > 0) {
                let href = location.href.slice(0, 500);