Disqus comment userscript

function want(selector) {
        return document.documentElement.querySelectorAll(selector);
}

function loadAll(thendo, timeout) {
        var loader = want('[data-action="more-posts"]');
        if(loader[0].parentElement.style.display!="none"){
                loader[0].click();
                setTimeout(function(){loadAll(thendo,timeout);},timeout||1000);
        } else {
                if(thendo){thendo();};
        }
}

function posts() {
        return want('div.post-body');
}

function postID(post) {
        return Number(post.querySelector('a.time-ago').href.replace(/.*\/#comment-/,""));
}

function sortedPosts () {
        var postlist = [];
        posts().forEach(function(x){postlist.push([postID(x),x]);});
        return postlist.sort().map(function(x) {return x[1];});
}

function collapser(node) {
        var res = document.createElement("div");
        res.appendChild(document.createTextNode("↸"));
        res.onclick = function(){
                if (node.style.display == "none"){
                        node.style.display = "block";
                }else{
                        node.style.display = "none";
                }
        };
        res.style.fontSizeAdjust = 2;
        res.style.margin = "2em";
        res.style.backgroundColor = "#EFEFFF";
        return res;
}

function appendSortedPosts() {
        var holder = document.createElement("div");
        holder.style.margin = "2em";
        sortedPosts().forEach(function(x){
                var y = holder.appendChild(document.createElement("div"));
                y.innerHTML = x.innerHTML;
                y.onclick = function() {
                        console.log(postID(x));
                        document.documentElement.
                                      querySelectorAll('div.post-body').
                        forEach(function(n){
                                if(postID(n)>postID(x)){
                                        n.style.backgroundColor = '#EEFFF7';
                                }else{
                                        n.style.backgroundColor = '#FFFFFF';
                                }
                        });
                };
        });
        document.body.appendChild(collapser(holder));
        document.body.appendChild(holder);
        document.body.appendChild(collapser(holder)).scrollIntoView();
}

function loadAndAppendSorted() {
        loadAll(appendSortedPosts);
}

loadAndAppendSorted();