Show download count of GitHub release for Tampermonkey

Show download count of GitHub release for Tampermonkey.user.js

// ==UserScript==
// @name         GitHub's Releases Download Count Viewer for Tampermonkey
// @version      0.6
// @updateURL    https://gist.github.com/kusaanko/0501af806454b090972784dddff04bcf/raw/Show%2520download%2520count%2520of%2520GitHub%2520release%2520for%2520Tampermonkey.user.js
// @downloadURL  https://gist.github.com/kusaanko/0501af806454b090972784dddff04bcf/raw/Show%2520download%2520count%2520of%2520GitHub%2520release%2520for%2520Tampermonkey.user.js
// @description  Displays the download count of GitHub's release.
// @author       Kusaanko
// @match        https://github.com/*
// @grant        none
// @namespace    https://github.com/kusaanko
// @require https://code.jquery.com/jquery-3.3.1.min.js
// ==/UserScript==

$(function() {
    var preHref = "";
    var count = 0;
    var dataarray = undefined;
    var dataInfo = {};
    setInterval(function() {
        if(location.href != preHref && location.href.indexOf('/releases') != -1 || document.querySelectorAll('.Truncate-text.text-bold').length != count) {
            var url = location.href;
            var owner = url.substring(19);
            var repo = owner.substring(owner.indexOf('/')+1);
            repo = repo.substring(0, repo.indexOf('/'));
            owner = owner.substring(0, owner.indexOf('/'));
            if(dataInfo.repo != repo && dataInfo.owner != owner) {
                dataarray = undefined;
            }
            dataInfo.repo = repo;
            dataInfo.owner = owner;
            function set() {
                $('.d-flex.flex-items-center, li.Box-row a').each(function(i, elem) {
                    if($(this).children('p.download_count').attr('class') == "download_count") {
                        return;
                    }
                    var text = $(this).attr('href');
                    if(dataarray[text]) {
                        $(this).append('<p style="display: inline;margin: 0;" class="download_count">Download:'+dataarray[text]+'</p>');
                    }
                });
            }
            if(dataarray == undefined) {
                fetch('https://api.github.com/repos/'+owner+'/'+repo+'/releases')
                    .then(response => response.json())
                    .then((data) => {
                    dataarray = {};
                    for (var key1 in data) {
                        for (var key2 in data[key1].assets) {
                            var link = data[key1].assets[key2].browser_download_url.replace('https://github.com','');
                            dataarray[link] = data[key1].assets[key2].download_count;
                        }
                    }
                    set();
                });
            }else {
                set();
            }
            count = document.querySelectorAll('.Truncate-text.text-bold');
        }
        preHref = location.href;
    }, 1000);
});