Function getElement

Pagetual/pagetual.user.js:4597–4628

(sel, doc, contextNode, bySort)

    }

    function getElement(sel, doc, contextNode, bySort) {
        try {
            if (!isXPath(sel)) {
                let checkShadow = s => {
                    let selSplit = s.split(" =>> ");
                    if (selSplit.length === 2) {
                        let ele = doc.querySelector(selSplit[0]);
                        return ele && ele.shadowRoot && ele.shadowRoot.querySelector(selSplit[1]);
                    } else return doc.querySelector(s);
                };
                if (!bySort) {
                    return checkShadow(sel);
                } else {
                    let selArr = sel.split(",");
                    try {
                        for (let i = 0; i < selArr.length; i++) {
                            let ele = checkShadow(selArr[i].trim());
                            if (ele) {
                              return ele;
                            }
                        }
                    } catch(e) {
                        return checkShadow(sel);
                    }
                    return null;
                }
            }
        } catch(e) {
            debug(e, 'Error selector');
        }
        return getElementByXpath(sel, doc, contextNode);
    }

    function compareNodeName(node, names) {
        if (!node || !node.nodeName || !node.nodeName.toLowerCase) {