Github Issue QuickKey Script For Tampermonkey

main.js

// ==UserScript==
// @name         Github Issue QuickKey
// @namespace    http://kaveenrodrigo.com/
// @version      0.1
// @description  Quickly cycle through issues using Ctrl + NumPad plus/minus | Ctrl + Enter to jump to issue
// @author       Kaveen Rodrigo
// @match        https://github.com/*/*/issues/*
// @match        https://github.com/*/*/pull/*
// @grant        unsafeWindow
// ==/UserScript==

const IS_DEBUG = false;

(function() {
    'use strict';
    document.addEventListener('keyup', handleKey, false);
    function handleKey(event){
        if (!event.ctrlKey){
            return;
        }
        var url = unsafeWindow.location.href;
        var nextUrl = null;
        if (IS_DEBUG) console.log(event);
        switch (event.keyCode) {
            case 107:
                nextUrl = getIssueURL(url, true, null);
                break;
            case 109:
                nextUrl = getIssueURL(url, false, null);
                break;
            case 13:
                var nextId = parseInt(prompt("Jump To ID"));
                if(!Number.isInteger(nextId)) return;
                nextUrl = getIssueURL(url, false, nextId);
                break;
            default:
                return;
        }
        unsafeWindow.location.href = nextUrl;
    }
    function getIssueURL(location, isNext, skip){
        var urlParts = location.split("/");
        var issueIndice = urlParts.length - 1;
        var issueId = parseInt(urlParts[issueIndice])
        if (skip == null) {
            urlParts[issueIndice] = isNext ? (issueId + 1) : (issueId -1);
        } else {
            urlParts[issueIndice] = skip;
        }
        return urlParts.join("/");
    }
})();