Add mail count for "All Mails"

try to take over the world...and add the mail count to the title
Stel een vraag, plaats een beoordeling of rapporteer dit script.
Regels afbreken
// ==UserScript==
// @name         Add mail count for "All Mails"
// @namespace    http://tampermonkey.net/
// @version      0.14
// @description  try to take over the world...and add the mail count to the title
// @author       Csabinho
// @include      https://mail.google.com/*
// @grant        none
// ==/UserScript==

/***********************************
* Use case: if you are using the "All Mails"-view you don't see the overall mail count, this is fixed by this script.
* Additionally if you have pinned the Gmail-Tab you will get a "notification" via the dot in the favicon
***********************************/
function addMailCountToTitle() {
    var mailCountIterator/* = document.evaluate('//*[@id=":wy"]/span/span[2]', document.body, null, XPathResult.ANY_TYPE, null)*/;
    var mailCount/* = mailCountIterator.iterateNext()*/;
    var debug = false;

    const re =/(.*) - (.*)@(.*) - Gmail/;  //If you want to use it for "Gmail for business" at the moment you'll have to change this title regex manually, maybe one day there is gonna be a GM_config frontend
    var m=re.exec(document.title);

    if(m)
    {
        mailCountIterator = document.evaluate('//*[@id=":wy"]/span/span[2]', document.body, null, XPathResult.ANY_TYPE, null);
        mailCount = mailCountIterator.iterateNext();

        if(mailCount)
        {
            document.title = m[0]+" ("+mailCount.innerHTML+")";
            if(debug)console.log(mailCount.innerHTML);
        }
        else
        {
            if(debug)console.log("null, ffs");
        }

        return mailCount !== null;
    }
    else
    {
        if(debug)console.log("wrong title, ffs");
        return false;
    }
}

if((window.location.href) == "https://mail.google.com/mail/u/0/#all") //workaround for not working # in @include
{
    var t=setInterval(addMailCountToTitle,1000);
}