Auto navigate to New posts when requested reddit.com/r

reddit_new_posts.user.js

// ==UserScript==
// @name        reddit | NEW Posts
// @namespace   @1lastBr3ath
// @description Auto navigate to new posts when requested reddit.com/r
// @include     /https?:\/\/[a-z0-9._-]+\.reddit\.com\/r\/[a-z0-9._-]+\/?/
// @version     1.0
// @grant       none
// @runat       document-start
// ==/UserScript==

(function(){
    var current_url = document.URL;
    var pattern = /^https?:\/\/[a-z0-9._-]+\.reddit\.com\/r\/([a-z0-9._-]+)\/?/i;
    var matches = current_url.match(pattern);
    var expected_url = matches[0];
    var subreddit = matches[1];
    if(document.referrer.match(/\/r\/([a-z0-9._-]+)\/?/i)[1] === subreddit){
        return;
    }
    if((current_url === expected_url) && !current_url.endsWith('/new')){
        if(current_url.endsWith('/')){
            location.href += 'new';
        }
        else{
            location.href += '/new';
        }
    }
})();