Good o'l Reddit

Makes sure you're using Good o'l Reddit. (C) TheNH813 2018. Edited by SkauOfArcadia.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        Good o'l Reddit
// @description	Makes sure you're using Good o'l Reddit. (C) TheNH813 2018. Edited by SkauOfArcadia.
// @author      TheNH813 & SkauOfArcadia
// @version		1.5.1
// @homepage https://skau.neocities.org/
// @contactURL https://t.me/SkauOfArcadia
// @match       *://*.reddit.com/*
// @match       *://preview.redd.it/*
// @run-at      document-start
// @grant       none
// @namespace https://greasyfork.org/users/751327
// ==/UserScript==
/**
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
if (location.hostname === "preview.redd.it") {
    location.replace(location.protocol + "//i.redd.it" + location.pathname);
} else if (location.hostname !== "old.reddit.com" && location.pathname.indexOf('/poll/') !== 0 && location.pathname.indexOf('/gallery/') !== 0) {
    var oldReddit  = location.protocol + "//old.reddit.com" + location.pathname + location.search + location.hash;
    location.replace(oldReddit);
} else {
    window.addEventListener("DOMContentLoaded", function() {
        var observer = new MutationObserver(mutate);
        observer.observe(document,{childList:true,attributes:true,subtree:true});

        function mutate(){
            if (location.pathname.indexOf('/comments/') !== -1){
                improveEmbeds();
            }
            if (location.pathname.indexOf('/r/') === 0 && document.getElementsByClassName('archived-infobar').length === 0 && (!document.getElementById('res-style-checkbox') || document.getElementById('res-style-checkbox').checked)){
                unhideVotes();
            }
            improveLinks();
        }

        function unhideVotes(){
            let vote = document.getElementsByClassName('arrow');
            for (var x = 0; x < vote.length; x++){ 
                let pp = vote[x].parentElement.parentElement;
                if(vote[x].getAttribute('style') !== 'visibility: visible !important; display: block !important; pointer-events: auto !important;' && !pp.classList.contains('collapsed')){
                    vote[x].setAttribute('style', 'visibility: visible !important; display: block !important; pointer-events: auto !important;');
                } else if (pp.classList.contains('collapsed')){
                    vote[x].removeAttribute('style');
                }
            }
        }
        function improveLinks(){
            let links = document.getElementsByTagName('a');
            for (var x = 0; x < links.length; x++) {
                if (links[x].hasAttribute('data-outbound-url')){
                    links[x].removeAttribute('data-outbound-url');
                    links[x].removeAttribute('data-href-url');
                    links[x].removeAttribute('data-outbound-expiration');
                    links[x].setAttribute('rel','noopener noreferrer');
                    console.log('Removed Outbound URL for: ' + links[x].href);
                } 
                if (links[x].href.indexOf('//preview.redd.it') !== -1) {
                    links[x].href = links[x].href.split('?')[0].replace('preview.redd.it','i.redd.it');
                }
            }
        }
        function improveEmbeds(){
            let embeds = document.getElementsByClassName('media-embed');
            for (var x = 0; x < embeds.length; x++) {
                let pp = embeds[x].parentElement.parentElement;
                let title = pp.getElementsByClassName('title')[pp.getElementsByClassName('title').length -1]
                if (embeds[x].src.indexOf('//www.redditmedia.com/') !== -1
                && !!title && (title.href.indexOf('youtube') !== -1 || title.href.indexOf('youtu.be') !== -1)
                && title.href.indexOf('/clip/') === -1) {
                    let yt = title.href;
                    if(yt.indexOf('/shorts/') !== -1){
                      yt = yt.replace('?', '&').replace('/shorts/','/watch?v=');
                    }
                    let params = new URLSearchParams();
                    if(yt.indexOf('?') !== -1){
                        params = new URLSearchParams(yt.split('?').pop());
                        yt = yt.split('?')[0];
                    } else if (yt.indexOf('&') !== -1) {
                        params = new URLSearchParams(yt.split(yt.split('&')[0]).pop());
                        yt = yt.split('&')[0];
                    }
                    if(yt.indexOf('youtu.be') !== -1){
                        yt = yt.replace('www.', '').replace('youtu.be/', 'www.youtube-nocookie.com/embed/');
                    } else if(!!params.get('v')) {
                        yt = 'https://www.youtube-nocookie.com/embed/' + params.get('v');
                        params.delete('v');
                    }
                    params.set('autoplay', 0);
                    yt += '?' + params;
                    embeds[x].src = yt;
                    ResizeEmbed(embeds[x], pp.clientWidth);
                } else if (embeds[x].src.indexOf('//www.redditmedia.com/') !== -1
                && !!title && title.href.indexOf('twitch.tv') !== -1) {
                    let tw = title.href;
                    let value = tw.split('/v/').pop().split('/clip/').pop().replace('videos/','').split('twitch.tv/').pop();
                    let params = new URLSearchParams();
                    if (value.indexOf('?') !== -1){
                        params = new URLSearchParams(value.split('?').pop());
                        params.delete('channel');
                        params.delete('clip');
                        params.delete('video');
                        value = value.split('?')[0];
                    }
                    if (value.indexOf('/') !== -1){
                        value = value.split('/')[0];
                    }
                    params.set('autoplay', 'false');
                    params.set('parent', location.hostname);
                    if (tw.indexOf('clips.twitch.tv/') !== -1 || tw.indexOf('/clip/') !== -1){
                        params.set('clip', value);
                        tw = 'https://clips.twitch.tv/embed?' + params;
                    } else if (tw.indexOf('videos/') !== -1 || tw.indexOf('/v/') !== -1){
                        params.set('video', 'v' + value);
                        tw = 'https://player.twitch.tv/?' + params;
                    } else {
                        params.set('channel', value);
                        tw = 'https://player.twitch.tv/?' + params;
                    }
                    if (location.hostname !== window.location.hostname) {
                        tw += '&parent=' + window.location.hostname;
                    }
                    embeds[x].src = tw;
                    ResizeEmbed(embeds[x], pp.clientWidth);
                } else if (embeds[x].src.indexOf('//www.redditmedia.com/') !== -1
                && !!title && title.href.indexOf('streamable.com/') !== -1) {
                    let st = title.href.replace('streamable.com/', 'streamable.com/o/');
                    let params = new URLSearchParams();
                    if(st.indexOf('?') !== -1){
                        params = new URLSearchParams(st.split('?').pop());
                        st = st.split('?')[0];
                    }
                    params.set('autoplay', 0);
                    embeds[x].src = st + '?' + params;
                    ResizeEmbed(embeds[x], pp.clientWidth);
                } else if (embeds[x].src.indexOf('//www.redditmedia.com/') !== -1
                && !!title && (title.href.indexOf('//vimeo.com/') !== -1 || title.href.indexOf('//www.vimeo.com/') !== -1)) {
                    embeds[x].src = title.href.replace('//www.', '//').replace('vimeo.com/', 'player.vimeo.com/video/');
                    ResizeEmbed(embeds[x], pp.clientWidth);
                }
            }
        }
        function ResizeEmbed(element, wwidth){
            const elRatio = element.clientWidth / element.clientHeight;
            element.width = Math.round(((wwidth * 0.9) * 0.5625) * elRatio);
            element.height = Math.round((wwidth * 0.9) * 0.5625);
        }
        if (location.pathname.indexOf('/comments/') !== -1){
            improveEmbeds();
        }
        if (location.pathname.indexOf('/r/') === 0 && document.getElementsByClassName('archived-infobar').length === 0 && (!document.getElementById('res-style-checkbox') || document.getElementById('res-style-checkbox').checked)){
            unhideVotes();
        }
        improveLinks();
    });
}