Function downOnce

DownloadAllContent/DownloadAllContent.user.js:1098–1389

(wait)

        var insertSigns=[];
        // var j=0,rCats=[];
        var downIndex=0,downNum=0,downOnce=function(wait){
            if(downNum>=aEles.length)return;
            if(maxDlPerMin){
                if(dlCount===-1){
                    setTimeout(() => {
                        downOnce(wait);
                    }, minute);
                    return;
                }else if(dlCount>=maxDlPerMin){
                    dlCount=-1;
                    setTimeout(() => {
                        dlCount=0;
                        downOnce(wait);
                    }, minute);
                    return;
                }else dlCount++;
            }
            let curIndex=downIndex;
            let aTag=aEles[curIndex];
            let request=(aTag, curIndex)=>{
                if (aTag && aTag.cloneNode) {
                    aTag = aTag.cloneNode(true);
                }
                let tryTimes=0;
                let validTimes=0;
                function requestDoc(_charset) {
                    if (!_charset) _charset = charset;
                    return GM_xmlhttpRequest({
                        method: 'GET',
                        url: aTag.href,
                        headers:{
                            referer:aTag.href,
                            "Content-Type":"text/html;charset="+_charset
                        },
                        timeout:10000,
                        overrideMimeType:"text/html;charset="+_charset,
                        onload: async function(result) {
                            let doc = getDocEle(result.responseText);
                            if (charsetValid) {
                                let equiv = doc.querySelector('[http-equiv="Content-Type"]');
                                if (equiv && equiv.content) {
                                    let innerCharSet = equiv.content.match(/charset\=([^;]+)/);
                                    if (innerCharSet && innerCharSet[1].replace("-", "").toLowerCase() != _charset.replace("-", "").toLowerCase()) {
                                        charset = innerCharSet[1];
                                        return requestDoc(charset);
                                    }
                                }
                            }
                            downIndex++;
                            downNum++;
                            if (/^{/.test(result.responseText)) {
                                doc.json = () => {
                                    try {
                                        return JSON.parse(result.responseText);
                                    } catch(e) {}
                                    return {};
                                }
                            }