JS script to create Ceylon OBR "multiplexer" issues

createIssues.js

var repoNames = [
    "ceylon/ceylon-spec",
    "ceylon/ceylon-compiler",
    "ceylon/ceylon-js",
    "ceylon/ceylon-dist",
    "ceylon/ceylon.language",
    "ceylon/ceylon-runtime",
    "ceylon/ceylon-common",
    "ceylon/ceylon-module-resolver"
];
var obr = "ceylon/ceylon";
var accessToken = ENTER TOKEN HERE; // you can obtain a token in your Github settings page, under "Applications"



var repos = {};
for (name of repoNames)
    repos[name] = NaN;

var maxIssues = -1;
for (repo in repos) {
    var req1 = new XMLHttpRequest();
    req1.open("GET", "https://api.github.com/repos/" + repo + "/issues?state=open", false);
    req1.send(null);
    if (req1.status !== 200)
        throw req1;
    var response1 = JSON.parse(req1.responseText);
    var nOpen = response1[0].number;
    
    var req2 = new XMLHttpRequest();
    req2.open("GET", "https://api.github.com/repos/" + repo + "/issues?state=closed", false);
    req2.send(null);
    if (req2.status !== 200)
        throw req2;
    var response2 = JSON.parse(req2.responseText);
    var nClosed = response2[0].number;
    
    var nIssues = Math.max(nOpen, nClosed);
    repos[repo] = nIssues;
    maxIssues = Math.max(maxIssues, nIssues);
}

for (var i = 1; i <= maxIssues; i++) {
    var title = "";
    var markdown = "Issue " + i + " may refer to the following issues:\n\n"
    for (repo in repos) {
        if (i <= repos[repo]) {
            markdown += "* " + repo + "#" + i + "\n";
            if (title != "") {
                title += ", ";
            }
            title += repo.split('/')[1];
        }
    }
    var reqCreate = new XMLHttpRequest();
    reqCreate.open("POST", "https://api.github.com/repos/" + obr + "/issues?access_token=" + accessToken, false);
    reqCreate.send(JSON.stringify(
        {
            "title": title,
            "body": markdown
        }));
    if (reqCreate.status == 201) {
        var issue = JSON.parse(reqCreate.responseText);
        if (issue.number != i) {
            console.log("Issue numbers mismatch! Expected: " + i, ", created: " + issue.number);
            throw issue;
        }
        var reqClose = new XMLHttpRequest();
        reqClose.open("PATCH", "https://api.github.com/repos/" + obr + "/issues/" + issue.number + "?access_token=" + accessToken, false);
        reqClose.send(JSON.stringify(
            {
                "title": issue.title,
                "state": "closed"
            }));
        if (reqClose.status != 200) {
            console.log("Couldn’t close issue #" + issue.number);
        }
    } else {
        console.log("Request unsuccessful");
        throw reqCreate;
    }
}