Adds shortcut button on BGG board game page for quick redirection to sleeves geeklist

bgg-sleeves.js

// ==UserScript==
// @name         BGG sleeves button
// @namespace    https://gist.github.com/barthenry
// @version      1.0.1
// @description  Adds shortcut button on BGG board game page for quick redirection to sleeves geeklist
// @author       Bart Henry
// @match        https://boardgamegeek.com/boardgame/*
// @match        https://bgg.cc/boardgame/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    let actionBar = document.querySelector('.toolbar-actions');
    let newActionButton = document.createElement('div');
    newActionButton.className = 'toolbar-action';
    newActionButton.innerHTML =`<span class="btn-group">
		<button class="btn btn-sm btn-subtle ng-isolate-scope">
			<i class="fi-clipboard-pencil toolbar-action-icon visible-xs"></i>
			Sleeves
		</button>`;
    actionBar.append(newActionButton);

    let url = window.location.href;
    let redirectUrl = url.match(window.location.origin + '/boardgame/[0-9]+/[-A-Za-z]+')[0] + '/geeklists?pageid=1&sort=hot&geeklist=sleeves';
    newActionButton.addEventListener('click', function(){
        window.location = redirectUrl;
    });

    window.addEventListener('load', function() {
        if (location.search.includes('geeklist=sleeves')){
            let allGeekLists = document.querySelectorAll('.summary-item-title > a');

            if (allGeekLists.length > 0){
                history.pushState({}, document.title, url);
            }

            for (let i = 0; i < allGeekLists.length; ++i) {
                let geekListUrl = allGeekLists[i].href;
                if (geekListUrl.includes('geeklist/164572')) {
                    window.location = geekListUrl;
                }
            }
       }
    });
})();